CN112976684B - Corrugated board and corrugated carton production process - Google Patents
Corrugated board and corrugated carton production process Download PDFInfo
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- CN112976684B CN112976684B CN202110387537.8A CN202110387537A CN112976684B CN 112976684 B CN112976684 B CN 112976684B CN 202110387537 A CN202110387537 A CN 202110387537A CN 112976684 B CN112976684 B CN 112976684B
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- 239000003063 flame retardant Substances 0.000 claims abstract description 71
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 68
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/007—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a foam layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The application relates to the technical field of packaging materials, in particular to a corrugated board and corrugated carton production process, which comprises corrugated core paper and two layers of outer paper boards, wherein the corrugated core paper is positioned between the two layers of outer paper boards and fixedly connected with the outer paper boards, the corrugated core paper is penetrated through a bendable water hose, the water hose is provided with a plurality of water outlet holes, fire extinguishing liquid is contained in the water hose, the outer wall of the water hose is fixedly connected with an easily-melted layer, fine sand is filled between the two layers of outer paper boards, flame retardant glue for bonding the fine sand into a whole is filled between the fine sand, a plurality of groups of bending components arranged at intervals are arranged between the outer paper boards at two sides, the corrugated core paper penetrates through the bending components, each bending component comprises two flexible connecting plates and a plurality of springs, the two connecting plates are fixedly connected with the inner sides of the two layers of outer paper boards, the plurality of springs are positioned between the two connecting plates and fixedly connected with the two connecting plates, the outer paper boards at the outer sides are fixedly connected with expandable graphite composite flame retardant layers, the application has the effect of improving the flame retardance of corrugated boards.
Description
Technical Field
The application relates to the technical field of packaging materials, in particular to a corrugated paperboard and a corrugated carton production process.
Background
The paper packaging industry is one of the most rapidly developing fields in the packaging industry, has a large development space, and corrugated boards are considered to be one of the most promising green packaging materials. Corrugated boxes are paper containers made of corrugated boards and are widely used for transport packaging. For over a hundred years, corrugated containers have become the primary packaging form for shipping packaging, the most widely used packaging material worldwide.
The corrugated board is a multi-layer adhesive body, at least consists of a layer of wavy core paper interlayer (commonly known as 'hole paper', 'corrugated core paper', 'corrugated paper core', 'corrugated raw paper') and a layer of paper board (also known as 'box board paper', 'box paper board'), has high mechanical strength, and can resist collision and falling in the process of carrying.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when dangerous products such as inflammable products, explosive products and the like are transported, the flame retardant property of the related corrugated boards is poor, the application of corrugated cases in some special scenes is limited, and the corrugated boards need to be subjected to flame retardant treatment to meet the fire safety standard when the functional paper packages with the fireproof and flame retardant requirements are packaged.
Disclosure of Invention
In order to improve the fire resistance of the corrugated board, reach the fire safety standard and expand the application range of the corrugated board, the application provides the corrugated board and the corrugated carton production process.
The application provides a corrugated container board and corrugated carton production technology adopts following technical scheme: the utility model provides a corrugated container board, including flute core paper and two-layer outer cardboard, flute core paper is located between the two-layer outer cardboard and with outer cardboard rigid coupling, flute core paper is run through the hose that has the bendable, a plurality of apopores have been seted up to the hose, the splendid attire has the fire extinguishing fluid in the hose, the outer wall rigid coupling of hose has the easily layer of melting, it has fine sand to fill between the two-layer outer cardboard, it has the fire-retardant glue that bonds fine sand as an organic whole to fill between the fine sand, be equipped with the bending assembly that the multiunit interval set up between the outer cardboard of both sides, flute core paper runs through bending assembly, bending assembly includes two flexible connecting plates and many springs, two connecting plates all with the inboard rigid coupling of two-layer outer cardboard, many springs are located between the two connecting plates and with two connecting plate fixed connection, the equal rigid coupling of lateral surface of two-layer outer cardboard has the compound fire retardant layer of expandable graphite.
By adopting the technical scheme, the flame retardant property of the outer-layer paper board can be effectively improved by the expandable graphite composite flame retardant layer, fine sand is bonded into a whole by the flame retardant glue, the flame retardant property of the corrugated paper board is further improved, if a fire accident occurs, the easily-melted layer can be burnt by open fire after the outer-layer paper board is burnt out, the fire extinguishing liquid in the soft water pipe can be sprayed out through the water outlet holes to cool and extinguish the open fire, the flame retardant property of the corrugated paper board is effectively improved, and the risk that transported objects are burnt out is reduced; because the bending component comprises a plurality of springs, the bending component can be bent and deformed, so that the corrugated board can be bent, and the corrugated board can be conveniently bent at any bending component to manufacture the corrugated case.
Optionally, two side surfaces of the corrugated medium paper are fixedly connected with an EPE pearl cotton layer.
By adopting the technical scheme, the EPE pearl wool has low thermal conductivity, and the heat insulation and flame retardant properties of the corrugated board are effectively improved; the EPE pearl cotton also has the advantages of good plasticity, strong toughness, shock resistance and strong impact resistance, and the EPE pearl cotton layer can share the impact force on the corrugated medium paper, so that the compression resistance of the corrugated board is improved.
Optionally, the hose is latticed, and the hose intercommunication has annotates the liquid mouth, annotates the port of liquid mouth and can dismantle to be connected with and be used for sealing the sealing cap of annotating liquid mouth port.
By adopting the technical scheme, the water hose is arranged in a grid shape, so that the volume proportion of the water hose in the corrugated board can be effectively increased, the contact area of the water hose and the corrugated board is increased, and the fire extinguishing capability of the water hose is improved; the opening of the sealing cap can fill the fire extinguishing liquid into the flexible water pipe through the liquid filling port, if the fire extinguishing liquid is excessively filled, the excessive fire extinguishing liquid can be sucked out through the liquid filling port, and the operation is flexible.
Optionally, the containing amount of the fire-extinguishing liquid in the flexible water pipe accounts for 60-95% of the total volume of the flexible water pipe, and the fire-extinguishing liquid with the melting point of minus 60-minus 40 degrees is adopted.
By adopting the technical scheme, the fire extinguishing liquid accounting for 60-95% of the total volume of the soft water pipe is filled into the soft water pipe, so that the weight of the corrugated board can be reduced, and the fire extinguishing capability of the fire extinguishing liquid can be effectively ensured; in cold northern areas, the fire-extinguishing fluid with the melting point of minus 60 degrees to minus 40 degrees is adopted to prevent the fire-extinguishing fluid from losing fluidity due to freezing and freezing, thereby ensuring the fire-extinguishing capability.
Optionally, the flexible water pipe is further communicated with an inflation inlet, a one-way air valve which can only inflate the flexible water pipe is fixedly arranged in the inflation inlet, and the flexible water pipe is filled with high-pressure inert gas.
Through adopting above-mentioned technical scheme, can fill into high-pressure inert gas in to the hose through one-way pneumatic valve, the atmospheric pressure in the hose increases, and when easily melting the layer and being burnt, high-pressure inert gas can in time extrude the fire extinguishing liquid from the hose, effectively improves the fire extinguishing effect of fire extinguishing liquid.
Optionally, the expandable graphite composite flame retardant layer is an expandable graphite composite flame retardant layer prepared by mixing EG, MH and na2sio3.9h2o according to a predetermined ratio.
By adopting the technical scheme, EG has the advantage of being not easy to frost, MH has the advantages of being non-toxic and non-corrosive, Na2SiO3.9H2O has good heat resistance and bonding strength, and EG, MH and Na2SiO3.9H2O are mixed according to a preset proportion to form the expandable graphite composite flame retardant layer, so that the expandable graphite composite flame retardant layer has the excellent performances of being non-toxic, heat-resistant and high in integrity, and the outer layer paperboard is effectively protected.
Optionally, smoke abatement layers are further fixedly connected to two side faces of the corrugated medium paper.
By adopting the technical scheme, the smoke abatement layer is formed by coating the smoke abatement agent, when the corrugated board is burnt, the smoke abatement agent is heated and decomposed to release combined water, a large amount of latent heat is absorbed, the flame retardant effect is good, and simultaneously the steam emitted by the smoke abatement layer can well inhibit smoke and play a role in flame retardance.
Optionally, the outer side of the outer layer paperboard is fixedly connected with a drying agent layer.
By adopting the technical scheme, the desiccant layer can play a role in water and moisture prevention, the possibility that the expandable graphite composite flame retardant layer and the outer paperboard are corroded by moisture is reduced, and the flame retardance and the quality stability of the corrugated paperboard are indirectly improved.
Optionally, a corrugated carton production process includes the following steps:
s1, manufacturing a water hose: manufacturing a flexible water pipe according to a predetermined size;
s2, filling fire extinguishing liquid: filling a proper amount of fire extinguishing liquid into the soft water pipe through the liquid injection port;
s3, filling high-pressure inert gas: filling high-pressure inert gas into the soft water pipe through the one-way air valve;
s4, preparing a bending component: manufacturing two connecting plates and a plurality of springs which form the bending assembly, and connecting the two connecting plates into a whole by using the springs;
s5, manufacturing corrugated boards: producing corrugated core paper and outer layer paper boards, prefabricating a water hose and a bending assembly into the two layers of outer layer paper boards, enabling the water hose to penetrate through the corrugated core paper, and fixedly connecting a connecting plate with the inner side surfaces of the two layers of outer layer paper boards;
s6, filling fine sand: stirring and mixing the fine sand and the flame-retardant glue, and filling the fine sand into a gap between two outer layers of paperboards before the flame-retardant glue is coagulated and molded;
s7, manufacturing the corrugated case: the corrugated paper board is folded according to the size of the packaged article to be made into a corrugated case.
By adopting the technical scheme, in the S1-S3, the soft water pipe is filled with the fire extinguishing liquid and the high-pressure inert gas, and when the corrugated board is ignited and burnt, the high-pressure inert gas and the fire extinguishing liquid can prevent open fire from continuing burning, so that the flame retardant property of the corrugated board is improved; s4, preparing the bending component, so that the corrugated board can be bent, and the corrugated board can be bent at any bending component to manufacture corrugated cartons; s5, the corrugated board is manufactured, and the flame retardance of the corrugated board embedded with the soft water pipe is effectively improved; s6, filling fine sand into the gap between the two outer layers of the paper boards, and further improving the flame retardant property of the corrugated paper board; s7, the corrugated paper board is made into a corrugated paper box meeting fire-fighting standards according to the size of the packaged article, and the corrugated paper box can effectively protect the article and improve the transportation safety in the article transportation process.
Optionally, in step S5, the manufactured outer layer paper board is placed on an automatic coating machine, the height of a coating scraper is adjusted, the prepared expandable graphite composite flame retardant is coated on the front and back surfaces of the corrugated board by adopting a coating thickness of 0.1 mm, after the coating is finished, the corrugated board is placed in a forced air drying oven at 50 ℃ for drying for a period of time, the dried corrugated board is taken out, and the coating and drying steps are repeated for 1 time, so that the expandable graphite composite flame retardant is uniformly coated on the front and back surfaces of the corrugated board.
By adopting the technical scheme, after the expandable graphite composite flame retardant is coated for the first time, the mutual bonding firmness of the expandable graphite composite flame retardant and the outer-layer paperboard can be improved by drying, and after the steps of coating and drying are repeated for 1 time, the thickness of the expandable graphite composite flame retardant layer can be increased, and the flame retardant property of the outer-layer paperboard is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the expandable graphite composite flame retardant layer, the flame retardant property of the outer paperboard can be effectively improved by the expandable graphite composite flame retardant layer;
2. fine sand is arranged and is bonded into a whole by flame retardant glue, so that the flame retardant property of the corrugated board is further improved;
3. through setting up the hose, after outer cardboard is burnt out, easily melt the layer and can be burnt out by the naked light afterwards, the fire extinguishing liquid in the hose can be through a plurality of apopores blowout to open light cool down and put out a fire, effectively improves corrugated container board's fire behaviour, reduces the risk that is burnt out by transported substance article.
Drawings
Fig. 1 is a schematic structural diagram of a corrugated cardboard according to an embodiment of the present application;
FIG. 2 is a schematic view showing the structure of a check valve;
figure 3 is an exploded view of a folded assembly.
Description of the reference numerals: 1. an outer layer of paperboard; 11. an expandable graphite composite flame retardant layer; 12. a desiccant layer; 2. corrugated medium paper; 21. EPE pearl cotton layer; 22. a smoke elimination layer; 3. a flexible water pipe; 31. a water outlet hole; 32. an easily meltable layer; 33. a liquid injection port; 34. sealing a cap; 35. an inflation inlet; 36. a one-way air valve; 4. fine sand; 5. bending the assembly; 51. a connecting plate; 52. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a corrugated board, refer to fig. 1 and 2, the corrugated board comprises corrugated core paper 2 and two layers of outer paper boards 1, the corrugated core paper 2 is wavy, the corrugated core paper 2 is positioned between the two layers of outer paper boards 1, wave crests and wave troughs of the corrugated core paper 2 are respectively fixedly connected with the two layers of outer paper boards 1, a bendable latticed water hose 3 is arranged between the two layers of outer paper boards 1, the water hose 3 penetrates through the corrugated core paper 2, a plurality of water outlets 31 distributed at equal intervals are formed in the circumferential side wall of the water hose 3, fire extinguishing liquid is contained in the water hose 3, and an easily-melting layer 32 is fixedly sleeved on the outer wall of the water hose 3; a plurality of groups of bending assemblies 5 which are distributed at equal intervals are arranged between the outer paper boards 1 on the two sides, and the corrugated medium paper 2 penetrates through the bending assemblies 5; fine sand 4 is filled between the two outer layer paperboards 1, and flame retardant glue for bonding the fine sand 4 into a whole is filled between the fine sand 4; the outer side surfaces of the two outer layer paperboards 1 are coated with expandable graphite composite flame retardant layers 11, and the outer side surfaces of the expandable graphite composite flame retardant layers 11 are fixedly connected with drying agent layers 12.
Referring to fig. 1 and 2, the desiccant layer 12 can play a role of waterproof and moistureproof, so that the possibility that the expandable graphite composite flame retardant layer 11 and the outer layer paper board 1 are corroded by moisture is reduced, and the flame retardancy and the quality stability of the corrugated paper board are improved; the expandable graphite composite flame retardant layer 11 can effectively improve the flame retardant property of the outer layer paperboard 1; the fine sand 4 is bonded into a whole by the flame retardant adhesive, so that the flame retardant property of the corrugated board is further improved; if a fire accident occurs, after the outer-layer paper board 1 is burnt out, the easily-melted layer 32 is burnt out by open fire, and the fire extinguishing liquid in the flexible water pipe 3 is sprayed out through the water outlet holes 31 to cool and extinguish the open fire, so that the flame retardant property of the corrugated paper board is effectively improved, and the risk of burning out transported objects is reduced; the bending component 5 can be bent and deformed, so that the corrugated board can be bent, and the corrugated board can be conveniently bent at any bending component 5 to manufacture corrugated cartons.
Referring to fig. 1 and 2, two sides of the corrugated medium 2 are fixedly connected with EPE pearl cotton layers 21, and two sides of the two EPE pearl cotton layers 21, which are away from each other, are fixedly connected with smoke elimination layers 22. The smoke abatement layer 22 is formed by coating smoke abatement agent, when the corrugated board burns, the smoke abatement agent is heated and decomposed to release combined water, and absorb a large amount of latent heat, so that the flame retardant corrugated board has a good flame retardant effect, and meanwhile, the water vapor emitted by the smoke abatement layer can well inhibit smoke, and can play a role in flame retardance; the EPE pearl wool has low thermal conductivity, and the heat insulation and flame retardant properties of the corrugated board are effectively improved; the EPE pearl wool also has the advantages of good plasticity, strong toughness, shock resistance and strong impact resistance, and the EPE pearl wool layer 21 can share the impact force on the corrugated medium paper 2, so that the compression resistance of the corrugated board is improved.
Referring to fig. 2 and 3, the bending assembly 5 includes two same flexible connecting plates 51 and a plurality of springs 52, the two connecting plates 51 are both fixedly connected with the inner sides of the two outer paper boards 1, the two connecting plates 51 are parallel to each other, the plurality of springs 52 are located between the two connecting plates 51, two ends of each spring 52 are respectively fixedly connected with the two connecting plates 51 to connect the two connecting plates 51 into a whole, and the corrugated core paper 2 penetrates through the two connecting plates 51 and is fixedly connected with the connecting plates 51. Because the bending component 5 comprises a plurality of springs 52 and a flexible connecting plate 51, the bending component 5 can be bent and deformed, so that the corrugated board can be bent, and the corrugated board can be conveniently bent at any bending component 5 to manufacture corrugated cartons.
Referring to fig. 1 and 2, the flexible water pipe 3 is communicated with a liquid injection port 33, a sealing cap 34 for sealing the port of the liquid injection port 33 is screwed on the port of the liquid injection port 33 in a threaded manner, the sealing cap 34 is opened, fire extinguishing fluid can be injected into the flexible water pipe 3 through the liquid injection port 33, if the fire extinguishing fluid is excessively injected, the excessive fire extinguishing fluid can be sucked out through the liquid injection port 33, and the operation is flexible; the flexible water pipe 3 is communicated with an inflation inlet 35, a one-way air valve 36 which can only inflate the flexible water pipe 3 is fixedly connected in the inflation inlet 35, high-pressure inert gas is inflated in the flexible water pipe 3, the high-pressure inert gas can be inflated into the flexible water pipe 3 through the one-way air valve 36, the air pressure in the flexible water pipe 3 is increased, when the easily-melted layer 32 is burnt, the high-pressure inert gas can timely extrude fire extinguishing liquid out of the flexible water pipe 3, the fire extinguishing effect of the fire extinguishing liquid is effectively improved, meanwhile, the oxygen content of a fire disaster area can be reduced through the high-pressure inert gas, and a fire source can be quickly extinguished.
Referring to fig. 1 and 2, the containing amount of the fire-extinguishing liquid in the flexible water pipe 3 accounts for 60-95% of the total volume of the flexible water pipe 3, the melting point of the fire-extinguishing liquid is 60-40 degrees below zero, and the fire-extinguishing liquid accounting for 60-95% of the total volume of the flexible water pipe 3 is filled into the flexible water pipe 3, so that the weight of the corrugated board can be reduced, and the fire-extinguishing capacity of the fire-extinguishing liquid can be effectively ensured; in cold northern areas, the fire-extinguishing fluid with the melting point of minus 60 degrees to minus 40 degrees is adopted to prevent the fire-extinguishing fluid from freezing and losing fluidity, thereby ensuring the fire-extinguishing capability.
Referring to fig. 1 and 2, the expandable graphite composite flame retardant layer 11 is formed by mixing EG, MH and na2sio3.9h2o according to a predetermined ratio, EG has the advantage of being not easy to frost, MH has the advantage of being non-toxic and non-corrosive, na2sio3.9h2o has good heat resistance and bonding strength, and the expandable graphite composite flame retardant layer 11 is formed by mixing EG, MH and na2sio3.9h2o according to a predetermined ratio, so that the expandable graphite composite flame retardant layer 11 has excellent performances of being non-toxic, heat-resistant and high-integrity, and the outer paperboard 1 is effectively protected.
The implementation principle of a corrugated board in the embodiment of the application is as follows:
the desiccant layer 12 can play a role in water and moisture prevention, so that the possibility that the expandable graphite composite flame retardant layer 11 and the outer paperboard 1 are corroded by moisture is reduced, and the flame retardance and the quality stability of the corrugated paperboard are improved; the expandable graphite composite flame retardant layer 11 can effectively improve the flame retardant property of the outer layer paperboard 1; the fine sand 4 is bonded into a whole by the flame retardant adhesive, so that the flame retardant property of the corrugated board is further improved; if a fire accident happens, after the outer-layer paper board 1 is burnt out, the easily-melted layer 32 is burnt out by open fire, and the fire extinguishing liquid in the flexible water pipe 3 is sprayed out through the water outlet holes 31 to cool and extinguish the fire for the open fire, so that the flame retardant property of the corrugated paper board is effectively improved, and the risk of burning out transported objects is reduced; the bending component 5 can be bent and deformed, so that the corrugated board can be bent, and the corrugated board can be conveniently bent at any bending component 5 to manufacture a corrugated case.
The embodiment of the application also discloses a corrugated case production process applying the corrugated board, which comprises the following steps:
s1, referring to fig. 1 and 2, the flexible water pipe 3 is manufactured according to a predetermined size, and the fusible layer 32 is adhered and fixed to the flexible water pipe 3 using a special adhesive;
s2, referring to the figures 1 and 2, the soft water pipe 3 is filled with fire extinguishing liquid which accounts for 60 to 95 percent of the total volume of the soft water pipe 3 through the liquid injection port 33, and then the port of the liquid injection port 33 is sealed by a sealing cap 34;
s3, referring to fig. 1 and 2, filling high pressure inert gas into the flexible water pipe 3 through the one-way gas valve 36;
s4, referring to fig. 2 and 3, manufacturing two connecting plates 51 and a plurality of springs 52 that form the bending assembly 5, and connecting the two connecting plates 51 into a whole by using the springs 52, thereby completing the manufacturing of the bending assembly 5;
s5, referring to the figures 1 and 2, producing corrugated core paper 2 and outer layer paper board 1, making the flexible water pipe 3 penetrate the corrugated core paper 2, making the corrugated core paper 2 penetrate the bending component 5, making the flexible water pipe 3 and the bending component 5 be prefabricated into the corrugated core paper 2, using special adhesive to bond and fix the connecting plate 51 and the inner side of the two layers of outer layer paper boards 1, using special adhesive to bond and fix the corrugated core paper 2 and the two layers of outer layer paper boards 1, placing the manufactured corrugated board on an automatic coating machine, adjusting the height of a coating scraper, coating the prepared expandable graphite composite flame retardant on the front and back sides of the corrugated board with the coating thickness of 0.1 mm, after coating, placing the corrugated board in a blowing dry box at 50 ℃ for drying for a period of time, taking out the dried corrugated board, repeating the coating and drying steps 1 time, so that the expandable graphite composite flame retardant is uniformly coated on the front and back sides of the corrugated board, then using a special binder to bond and fix the desiccant layer 12 and the expandable graphite composite flame retardant layer 11;
s6, referring to the figures 1 and 2, stirring and mixing the fine sand 4 and the flame retardant glue, filling the fine sand 4 into a gap between two outer layers of paperboards 1 before the flame retardant glue is coagulated and formed, and coagulating and forming the fine sand 4 in the corrugated paperboards;
s7, referring to fig. 1 and 2, the corrugated cardboard is folded into a corrugated box using a bending machine or a die cutter according to the size of the packaged article.
The implementation principle of the corrugated case production process applying the corrugated board in the embodiment of the application is as follows:
s1, manufacturing a water hose: manufacturing the flexible water pipe 3 according to a predetermined size;
s2, filling fire extinguishing liquid: a proper amount of fire extinguishing liquid is filled into the flexible water pipe 3 through the liquid injection port 33;
s3, filling high-pressure inert gas: filling high-pressure inert gas into the flexible water pipe 3 through the one-way gas valve 36;
s4, preparing a bending component: manufacturing two connecting plates 51 and a plurality of springs 52 which form the bending component 5, and connecting the two connecting plates 51 into a whole by using the springs 52;
s5, manufacturing corrugated boards: producing corrugated core paper 2 and outer layer paper boards 1, prefabricating a water hose 3 and a bending assembly 5 into the two layers of outer layer paper boards 1, enabling the water hose 3 to penetrate through the corrugated core paper 2, and fixedly connecting a connecting plate 51 with the inner side surfaces of the two layers of outer layer paper boards 1;
s6, filling fine sand: stirring and mixing the fine sand 4 and the flame-retardant glue, and filling the fine sand 4 into a gap between the two outer layers of paperboards 1 before the flame-retardant glue is coagulated and formed;
s7, manufacturing the corrugated case: the corrugated paper board is folded according to the size of the packaged article to be made into a corrugated case.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a corrugated container board, includes corrugated core paper (2) and two-layer outer cardboard (1), corrugated core paper (2) be located between two-layer outer cardboard (1) and with outer cardboard (1) rigid coupling, its characterized in that: corrugated core paper (2) are run through have hose (3) that can buckle, a plurality of apopores (31) have been seted up in hose (3), the splendid attire has the fire extinguishing fluid in hose (3), the outer wall rigid coupling of hose (3) has easily melted layer (32), it has fine sand (4) to fill between two-layer outer cardboard (1), it has the fire-retardant glue that bonds fine sand (4) as an organic whole to fill between fine sand (4), be equipped with bending assembly (5) that the multiunit interval set up between both sides outer cardboard (1), corrugated core paper (2) run through bending assembly (5), bending assembly (5) are including two flexible connecting plate (51) and many springs (52), two connecting plate (51) all with the inboard rigid coupling of two-layer outer cardboard (1), many springs (52) are located between two connecting plate (51) and with two connecting plate (51) fixed connection, the equal rigid coupling of lateral surface of two-layer cardboard (1) has expandable composite flame retardant layer (11).
2. A corrugated cardboard according to claim 1 wherein: two side surfaces of the corrugated medium paper (2) are fixedly connected with EPE pearl cotton layers (21).
3. A corrugated cardboard according to claim 1 wherein: the water softening pipe (3) is latticed, and water softening pipe (3) intercommunication has notes liquid mouth (33), and the port of annotating liquid mouth (33) can be dismantled and be connected with and be used for sealing seal cap (34) of annotating liquid mouth (33) port.
4. A corrugated cardboard according to claim 1 wherein: the containing amount of the fire extinguishing liquid in the flexible water pipe (3) accounts for 60-95% of the total volume of the flexible water pipe (3), and the fire extinguishing liquid with the melting point of minus 60-minus 40 degrees is adopted.
5. A corrugated cardboard according to claim 4 wherein: the flexible water pipe (3) is also communicated with an inflation inlet (35), a one-way air valve (36) which can only inflate the interior of the flexible water pipe (3) is fixedly arranged in the inflation inlet (35), and high-pressure inert gas is inflated in the flexible water pipe (3).
6. A corrugated cardboard according to claim 1 wherein: the expandable graphite composite flame retardant layer (11) is an expandable graphite composite flame retardant layer (11) prepared by mixing EG, MH and Na2SiO3.9H2O according to a preset proportion.
7. A corrugated cardboard according to claim 2 wherein: smoke abatement layers (22) are further fixedly connected to two side faces of the corrugated medium paper (2).
8. A corrugated cardboard according to claim 1 wherein: the outer side surfaces of the two layers of outer paper boards (1) are fixedly connected with a drying agent layer (12).
9. A corrugated cardboard box production process according to any of claims 1 to 8 comprising the steps of:
s1, manufacturing of the water hose (3): -manufacturing a flexible water pipe (3) according to predetermined dimensions;
s2, filling fire extinguishing liquid: a proper amount of fire extinguishing liquid is filled into the flexible water pipe (3) through the liquid injection port (33);
s3, filling high-pressure inert gas: high-pressure inert gas is filled into the flexible water pipe (3) through the one-way air valve (36);
s4, preparing a bending component (5): manufacturing two connecting plates (51) and a plurality of springs (52) which form the bending component (5), and connecting the two connecting plates (51) into a whole by using the springs (52);
s5, manufacturing corrugated boards: producing corrugated core paper (2) and outer layer paper boards (1), prefabricating a water hose (3) and a bending assembly (5) into the two layers of outer layer paper boards (1), enabling the water hose (3) to penetrate through the corrugated core paper (2), and fixedly connecting a connecting plate (51) with the inner side surfaces of the two layers of outer layer paper boards (1);
s6, filling fine sand (4): stirring and mixing the fine sand (4) and the flame-retardant glue, and filling the fine sand (4) into a gap between the two outer layers of paperboards (1) before the flame-retardant glue is coagulated and formed;
s7, manufacturing the corrugated case: the corrugated paper board is folded according to the size of the packaged article to be made into a corrugated case.
10. The corrugated box manufacturing process according to claim 9, wherein: in step S5, the manufactured outer paperboard (1) is placed on an automatic coating machine, the height of a coating scraper is adjusted, the prepared expandable graphite composite flame retardant is coated on the front and back surfaces of the corrugated paperboard by adopting a coating thickness of 0.1 mm, after the coating is finished, the corrugated paperboard is placed in a blowing drying oven at 50 ℃ for drying for a period of time, the dried corrugated paperboard is taken out, and the coating and drying steps are repeated for 1 time, so that the expandable graphite composite flame retardant is uniformly coated on the front and back surfaces of the corrugated paperboard.
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| CN102852242B (en) * | 2012-09-04 | 2014-06-25 | 泗阳浙阳新型保温防水材料有限公司 | Polyurethane easy-pasting thermal insulation fireproof composite board and production method thereof |
| CN207141865U (en) * | 2017-08-30 | 2018-03-27 | 湖南彩虹包装有限公司 | A kind of high-intensity packing carton |
| CN207773732U (en) * | 2017-12-27 | 2018-08-28 | 张哲夫 | A kind of fire prevention corrugated case |
| CN208180402U (en) * | 2018-03-27 | 2018-12-04 | 东莞市汇驰纸业有限公司 | A kind of fireproof mosquito repellent corrugated cardboard |
| CN108978356A (en) * | 2018-08-03 | 2018-12-11 | 天津包纸品包装有限公司 | A kind of shakeproof corrugated paper paper |
| CN210706413U (en) * | 2019-09-25 | 2020-06-09 | 东莞市瑞兴纸制品有限公司 | Resistance to compression type corrugated container board |
| CN111590993A (en) * | 2020-06-02 | 2020-08-28 | 深圳朗晖展示有限公司 | A kind of flame retardant corrugated cardboard and its manufacturing process |
| CN111635597A (en) * | 2020-06-12 | 2020-09-08 | 中国科学院长春应用化学研究所 | A kind of polystyrene thermal insulation material and preparation method thereof |
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