US20200332473A1 - Plant molding process and device using same - Google Patents

Plant molding process and device using same Download PDF

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Publication number
US20200332473A1
US20200332473A1 US15/775,010 US201715775010A US2020332473A1 US 20200332473 A1 US20200332473 A1 US 20200332473A1 US 201715775010 A US201715775010 A US 201715775010A US 2020332473 A1 US2020332473 A1 US 2020332473A1
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United States
Prior art keywords
mold
plant
pulp
water
layer
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Abandoned
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US15/775,010
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English (en)
Inventor
Fabin YI
Yuyang ZOU
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Shenzhen Wopuzhixuan Technology Co Ltd
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Shenzhen Wopuzhixuan Technology Co Ltd
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Assigned to SHENZHEN WOPUZHIXUAN TECHNOLOGY CO., LTD. reassignment SHENZHEN WOPUZHIXUAN TECHNOLOGY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YI, Fabin, ZOU, Yuyang
Publication of US20200332473A1 publication Critical patent/US20200332473A1/en
Abandoned legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J7/00—Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould

Definitions

  • the present disclosure generally relates to a plant molding process and device for a plant molding product.
  • the present disclosure relates to a plant molding process and device using same which can achieve high utilization of raw materials, waste reduction, energy saving and environmental protection.
  • a molding process for a plant molding product includes the following contents:
  • the process further includes the following steps: obtaining a high consistency paper pulp via adding water crushing pulp raw material; obtaining the paper serous fluid via the high consistency paper pulp diluted with water; obtaining a high consistency plant slurry via adding water crushing and wall-breaking plant raw material and obtaining the plant serous fluid via the high consistency plant slurry diluted with water.
  • a range of the temperature is between 30 degree below zero and 280 degree, and a range of the pressure is between 1 MPa and 11 MPa.
  • concentration of the paper serous fluid is between 0.5% and 1.5%, and concentration of the plant serous fluid is between 0.8% and 1.5%.
  • the plant raw material includes herbs, crop stalks and roots, stems, leaves, and shells of shrubs
  • the pulp raw material includes pulp boards and recycled papers.
  • Each first mold core is mounted with an elevating driver for driving the first mold core to be opened and closed with the corresponding second mold core, and each of the first mold core and the second mold core is respectively connected with a vacuum gas circuit for adsorbing a plant molding product.
  • a strainer is formed at a junction between each of the first mold core and the second mold core and its corresponding vacuum gas circuit for water permeation.
  • a guiding device is positioned between every two adjacent the water mold, the forming mold and the drying mold; and wherein the first mold core or the second mold core of each mold of the water mold, the forming mold and the drying mold can move along the guiding device so that at least one set of the first and second mold cores respectively belonging to every two adjacent the water mold, the forming mold and the drying mold can achieve mold opening and mold closing.
  • the guiding device includes an upper guide rail extending along a direction towards the forming mold from the water mold and a lower guide rail, the first mold core of the water mold movably installed in the upper guide rail, the second mold core of both the forming mold and the drying mold movably installed in the lower guide rail.
  • One end of the lower guide rail is corresponding to the upper guide rail and the other end of the lower guide rail is extended out through the forming mold and the drying mold.
  • each bottom surface of the first and second mold cores is connected with a compression gas circuit for releasing pressure of the plant molding product
  • the first mold core of the water mold and each second mold core of the forming mold and the drying mold can be driven to respectively move along the guiding device by a corresponding horizontal cylinder.
  • the first storage tank is connected with a first water cleaning tank and a high consistence paper pulp tank;
  • the second storage tank is connected with a second water cleaning tank and a high consistency plant pulp tank.
  • the high consistency paper pulp tank is connected to a first hydraulic pulper and the high consistency plant pulp tank is connected to a second hydraulic pulping and kneading device.
  • a corresponding pump valve member is provided between the first and second storage tanks and the slurry pool, between the first water cleaning tank, the high consistency paper pulp tank and the first storage tank, and between the second water cleaning tank, the high consistency plant pulp tank and the second storage tank.
  • the present disclosure can use different components of the plant to help shape and improve strength, and to achieve high utilization of raw materials, waste reduction, energy saving and environmental protection.
  • FIG. 1 is a schematic view of the plant molding device in accordance with an exemplary embodiment.
  • a plant molding process for a plant molding product includes the following contents: obtaining a high consistency paper pulp via adding water crushing pulp raw material (usually pulp boards or recycled papers) and obtaining paper serous fluid via the high consistency paper pulp diluted with water; obtaining a high consistency plant slurry via adding water crushing and then wall-breaking (kneaders can be used) plant raw material and obtaining plant serous fluid via the high consistency plant slurry diluted with water.
  • Concentration of the paper serous fluid is preferably between 0.5% and 1.5%, and concentration of the plant serous fluid is preferably between 0.8% and 1.5%.
  • the purpose of diluting the high consistency slurry is to facilitate the delivery of the serous fluid in a pipeline to avoid clogging.
  • the diluted serous fluid has a certain flow rate after casting into a mold, which can be evenly filled with a mold core.
  • the plant molding process further includes the following contents: forming a pulp enveloping layer of a molding product by dewatering the paper serous fluid; forming a plant pulp layer of the molding product by dewatering the plant serous fluid; laminating the pulp enveloping layer and the plant pulp layer and processing non-fibrous material of the plant pulp layer to make it migrate towards the pulp envelope layer for combining them together.
  • the plant raw material includes: surplus materials after harvesting of agricultural crops such as rice straws, wheat stalks, cotton stalks and corn stalks, forestry side materials such as shrubs and wild grasses and surplus materials after wood processing, such as saw-milling edge materials.
  • the above raw materials are physically shredded and the shredding shape is not specifically required. But at least one dimension should be smaller than the thickness of the final product to meet the usage conditions. That is to say, the more a wall along the shredding plant original tissue interface is opened, the physical crushing of the plant materials is better.
  • the plant material is added water to form the plant slurry.
  • the cooperation of the plant serous fluid layer and a fabric layer can be controlled.
  • An example of the molding product with a three-layer configuration is taken: firstly, the paper serous fluid is casted in a mold to form an inner layer of the plant molding product, and then the plant serous fluid is casted onto the inner layer to form an interlayer of the plant molding product. Finally, the plant serous fluid is casted onto the interlayer to form an outer layer of the plant molding product. In this way, the plant molding product with a three-layer configuration is obtained.
  • the moisture of the serous fluid should be removed in order to gradually form the layer. In this process, the moisture removed from each layer can be returned to the corresponding high consistency slurry for recycling again.
  • the plant molding product is heated and dried to obtain a final plant molding product.
  • the molding product with pressure dehydration is transferred to a corresponding mold. So, a final product can be finalized, according to the product requirements, the selection of materials, the temperature range in 30 degree below zero and 280 degree, the real-time temperature environment, a continuous pressure range between 1 MPa and 11 MPa and a time range from 30 s to 30 min.
  • the reason for retaining the organic matter is that the organic matter can accelerate the degradation rate of the product during the degradation process.
  • the whole product is a kind of pure plant raw material, with its waste product being composted, so it can directly carry on natural degradation and enter the natural circulation law.
  • a corresponding plant molding device is provided in order to achieve the above mentioned plant molding process.
  • the plant molding device includes a first storage tank 1 , a second storage tank 2 , a slurry pool 8 and a mold unit.
  • the first storage tank 1 is configured for containing the paper serous fluid
  • the second storage tank 2 is configured for containing the plant serous fluid.
  • the slurry pool 8 includes an inlet portion connected to the first and second storage tanks 1 , 2 and an outlet connected to the mold unit.
  • the mold unit sequentially includes a water mold 3 , a forming mold 4 and a drying mold 5 with a heating device thereof.
  • the water mold 3 , the forming mold 4 and the drying mold 5 each include a first mold core 6 and a second mold core 7 matched to the first mold core 6 .
  • the first mold core 6 is positioned on top of a mold, while the second mold core 7 is positioned on bottom of the mold.
  • Each first mold core 6 is mounted with an elevating driver 8 (the elevating driver 8 can be driven to lifting up and down by a cylinder) for driving the first mold core 6 to be opened and closed with the corresponding second mold core 7 .
  • Each of the first second mold cores 6 , 7 is respectively connected with a vacuum gas circuit 19 for adsorbing the plant molding product.
  • a strainer is formed at the junction between each of the first and second mold cores 6 , 7 and its corresponding vacuum gas circuit 19 for water permeation.
  • the strainer may be a plurality of apertures evenly distributed across each of the first and second mold cores 6 , 7 only for the gas and the water passing through the plurality of apertures.
  • the vacuum gas circuit 19 can not only absorb the plant molding product through the plurality of apertures, but also be as a function of water removal. In this way, the serous fluid is gradually solid so that the plant molding product is formed in the first and second mold cores 6 , 7 .
  • the vacuum degree of the vacuum gas circuit 19 is controlled between 0.05 MPa and 0.08 MPa.
  • a guiding device is positioned between every two adjacent the water mold 3 , the forming mold 4 and the drying mold 5 .
  • the first mold core 6 or the second mold core 7 of each of the water mold 3 , the forming mold 4 and the drying mold 5 can move along the guiding device so that at least one set of first and second mold cores 6 , 7 respectively belonging to every two adjacent the water mold 3 , the forming mold 4 and the drying mold 5 can achieve mold opening and mold closing.
  • the plant molding product can be transmitted between the water mold 3 , the forming mold 4 and the drying mold 5 via the movement of each of the first mold core 6 and the second mold core 7 and the opening and closing between the water mold 3 , the forming mold 4 and the drying mold 5 to complete the corresponding process in each mold without requiring excessive manual intervention.
  • the water mold 3 is corresponding to the position of the outlet of the slurry pool 8 and the serous fluid in the slurry pool 18 is pumped through its vacuum gas circuit 19 .
  • the mold is in correspondence with the outlet of the slurry pool 18 to implement the use of the liquid in the slurry pool 18 , which has been achieved in several ways in the conventional plant molding process.
  • the typical method is that the mold is directly connected to the outlet of the slurry pool 18 or the mold is moved into the outlet of the slurry pool 18 and then draws the liquid from the slurry pool 18 to a corresponding mold core.
  • the second mold core 7 of the water mold 3 is corresponding to the location of the outlet of the slurry pool 18 , thereby the second mold core 7 of the water mold 3 and the slurry pool 18 can be connected through the pipeline, and the second mode core 7 can be moved until the inlet of a casting liquid is connected with the outlet of the slurry pool 18 , and then the serous fluid can be sucked from the slurry pool 18 into the corresponding mold core by the vacuum gas circuit 19 .
  • the guiding device includes an upper guide rail 10 extending along a direction towards the forming mold 4 from the water mold 3 and a lower guide rail 11 .
  • the first mold core 6 of the water mold 3 is movably installed in the upper guide rail 10
  • the second mold core 7 of both the forming mold 4 and the drying mold 5 is movably installed in the lower guide rail 11 .
  • One end of the lower guide rail 11 is corresponding to the upper guide rail 10 and the other end of the lower guide rail 11 extends out through the forming mold 4 and the drying mold 5 .
  • Each the first mold core 6 or the second mold core 7 of the water mold 3 , the forming mold 4 and the drying mold 5 is driven by a horizontal cylinder 9 to move along their corresponding guide rail.
  • each bottom surface of the first and second mold cores 6 , 7 is connected with a compression gas circuit 20 for releasing the pressure of the plant molding product in order to facilitate transmission of the plant molding product.
  • the slurry pool 18 is cleaned and the plant serous fluid is transferred to the slurry pool 18 , and then the vacuum gas circuit 19 connected with the second mold core 7 of the water mold 3 is opened to draw the plant serous fluid from the slurry pool 18 to the second mold core 7 of the water mold 3 , moisture therein is thirdly discharged from the vacuum gas circuit 19 via the strainer so that the interlayer of the plant molding product is formed. Finally, the slurry pool 18 is cleaned again and the plant serous fluid is sucked by the vacuum gas circuit 19 to cast onto the interlayer and remove the moisture via the strainer so that the outer layer of the plant molding product is formed. In this way, the plant molding product with a three-layer structure is obtained.
  • the first mold core 6 of the water mold 3 is driven downward to match with its second mold core 7 for forming the plant molding product.
  • the vacuum gas circuit 19 of the second mold core 7 is closed and its compressed gas circuit 20 is then opened, and the vacuum gas circuit 19 of the first mold core 6 is opened to absorb the plant molding product.
  • the elevating driver 8 is lifted again so that the plant molding product adsorbed on the first mold core 6 of the water mold 3 is following to lift.
  • the first mold core 6 of the water mold 3 is moving along the upper guide rail 10 towards the forming mold 4 under action of the horizontal cylinder 9
  • the second mold core 7 of the forming mold 4 is also moving along the lower guide rail 11 towards the water mold 3 until the two parts corresponds up and down.
  • the first mold core 6 of the water mold 3 is moved downward under action of the horizontal cylinder 9 to match with the second mold core 7 of the forming mold 4
  • the vacuum gas circuit 19 belonging to the first mold core 6 of the water mold 3 is closed and its compression gas circuit 20 is opened to release the plant molding product
  • the vacuum gas circuit 19 belonging to the second mold core 7 of forming mold 4 is opened to absorb the plant molding product.
  • the first mold core 6 of the water mold 3 and the second mold core 7 of the forming mold 4 are opened to reset along their corresponding guide rails.
  • the first old core 6 of the forming mold 4 is moving downward to match with its second mold core 7 and further compress and remove moisture from the plant molding product until the first mold cores 6 and the second mold core 7 of the forming mold 4 are opened after a certain time.
  • the plant molding product is adsorbed on the first mold core 6 of the forming mold 4 by means of the corresponding operation of both the vacuum gas circuit 19 and the compression gas circuit 20 to follow moving upward.
  • the second mold core 7 of the forming mold 4 is moving towards the water mold 3 to receive a next plant molding product, the second mold core 7 of the drying mold 5 is moved along the lower guide rail 11 to below the forming mold 4 .
  • the first mold core 6 of the forming mold 4 is moved downward to match with the second mold core 7 of the drying mold 5 , and the next plant molding product is transferred to the second mold core 7 of the drying mold 5 by means of the corresponding operation of both the vacuum gas circuit 19 and the compression gas circuit 20 .

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
US15/775,010 2017-10-24 2017-11-24 Plant molding process and device using same Abandoned US20200332473A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201721383659.5 2017-10-24
CN201721383659 2017-10-24
CN201711116471.9 2017-11-13
CN201711116471.9A CN107881856A (zh) 2017-10-24 2017-11-13 植物模塑成型工艺及设备
PCT/CN2017/112960 WO2019080242A1 (zh) 2017-10-24 2017-11-24 植物模塑成型工艺及设备

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US20200332473A1 true US20200332473A1 (en) 2020-10-22

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US15/775,010 Abandoned US20200332473A1 (en) 2017-10-24 2017-11-24 Plant molding process and device using same

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US (1) US20200332473A1 (de)
EP (1) EP3702530B1 (de)
JP (1) JP6668471B2 (de)
CN (2) CN207468990U (de)
ES (1) ES2949423T3 (de)
WO (1) WO2019080242A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207468990U (zh) * 2017-10-24 2018-06-08 深圳沃普智选科技有限公司 植物模塑成型设备
CN108677622A (zh) * 2018-07-27 2018-10-19 泉州市大创机械制造有限公司 一种两段式纸模包装的生产设备及其生产工艺
CN109183273A (zh) * 2018-11-23 2019-01-11 长沙云聚汇科技有限公司 一种制备功能性多层无纺布的装置
CA3139108A1 (en) * 2019-05-06 2020-11-12 Zume, Inc. Systems and methods for producing molded fiber products

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CN207468990U (zh) * 2017-10-24 2018-06-08 深圳沃普智选科技有限公司 植物模塑成型设备

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Publication number Publication date
WO2019080242A1 (zh) 2019-05-02
CN107881856A (zh) 2018-04-06
JP2019536914A (ja) 2019-12-19
CN207468990U (zh) 2018-06-08
JP6668471B2 (ja) 2020-03-18
EP3702530A4 (de) 2020-12-23
EP3702530B1 (de) 2023-05-03
EP3702530A1 (de) 2020-09-02
ES2949423T3 (es) 2023-09-28

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