CN216634745U

CN216634745U - Environment-friendly formaldehyde-reducing medium-high density fiberboard

Info

Publication number: CN216634745U
Application number: CN202122975831.9U
Authority: CN
Inventors: 罗启德
Original assignee: Yunnan Nongken Lincang Agriculture And Forestry Investment Development Co ltd
Current assignee: Yunnan Nongken Lincang Agriculture And Forestry Investment Development Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-31
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an environment-friendly formaldehyde-reducing medium-high density fiberboard, which relates to the technical field of fiberboard production and processing and comprises a first board body and a second board body, wherein the first board body comprises a medium-density fiber core board, a high-density fiber substrate and a melamine board are sequentially bonded on the upper end surface of the medium-density fiber core board, a high-density fiber substrate, a high-temperature-resistant modified phenolic resin fiber board and a polytetrafluoroethylene plastic board are sequentially bonded on the bottom end surface of the medium-density fiber core board, a foundation pit is formed on the upper end surface of the second board body through a hot-press casting mold, a horizontally parallel sound-absorbing cotton screen plate is fixed in the foundation pit, tourmaline powder is added on the upper surface of the sound-absorbing cotton screen plate in the foundation pit, and diatomite is added on the inner side of the foundation pit below the sound-absorbing cotton screen plate. Has good environmental protection performance and application prospect.

Description

Environment-friendly formaldehyde-reducing medium-high density fiberboard

Technical Field

The utility model relates to the technical field of production and processing of fiberboards, in particular to an environment-friendly formaldehyde-reducing medium-high density fiberboard.

Background

The medium and high density fibre board is made up by using wood or plant fibre through the processes of mechanical separation and chemical treatment, adding adhesive and water-proofing agent, high-temp. and high-pressure forming, and features uniform structure, no decay and moth-eating, and easy processing.

A certain amount of cementing agent, waterproofing agent, some preservative and the like can be mixed into the medium-high density fiberboard, so that a large amount of formaldehyde can be volatilized in the using process, and the human health can be seriously and adversely affected.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an environment-friendly formaldehyde-reducing medium-high density fiberboard, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a middle and high density fiberboard of aldehyde falls in environmental protection, includes first plate body and second plate body, first plate body includes well density fiber core, well density fiber core includes oak fibre piece and active carbon granule, the up end of well density fiber core loops through the viscose agent and bonds and have high density fiber base plate and melamine board, the upper end surface of melamine board is equipped with the wearing layer, the bottom face of well density fiber core loops through the viscose agent and bonds and have high density fiber base plate, high temperature resistant modified phenolic resin filament plate and polytetrafluoroethylene plastic slab, the up end of second plate body has the foundation ditch through hot compression casting mould, the parallel sound absorption cotton otter board of level is fixed with in the foundation ditch, the upper surface that inhales the sound cotton otter board has added the tourmaline powder in inhaling the sound foundation ditch, the inboard that the below of cotton otter board has added diatomaceous earth in the foundation ditch, the second plate body comprises a medium-high density fiber core plate, melamine resin layers are arranged on the surfaces of the inner end and the outer end of the medium-high density fiber core plate relative to the foundation pit, PVC waterproof coiled materials are bonded on the surface of one side of the medium-high density fiber core plate relative to the foundation pit through a urea-formaldehyde resin adhesive layer, a bamboo rotary-cut single plate soaked with a flame retardant is bonded on the surface of one side of the medium-high density fiber core plate opposite to the foundation pit, and an isocyanate anti-aging layer is coated on the outer surface of the bamboo rotary-cut single plate.

Preferably, the medium-density fiber core board is a board body structure formed by uniformly extruding the oak fiber chips and the activated carbon particles into a whole after mixing and stirring.

Preferably, the wear-resistant layer is a transparent aluminum oxide film, and the outer surface of the wear-resistant layer is sprayed with nano silicon waterproof glue.

Preferably, a plurality of honeycomb holes are formed in the surface of the high-temperature-resistant modified phenolic resin fiber board.

Preferably, the inner core of the middle-high density fiber core plate is provided with vent holes which are communicated with each other front and back.

Preferably, matching grooves are formed in the two sides of the foundation pit at the top end of the second plate body, and matching strips matched with the matching grooves are arranged on the two sides of the bottom end of the first plate body.

Preferably, the inboard of foundation ditch is fixed with the perpendicular ascending bracing piece of a plurality of directions, the top of bracing piece is fixed with the silica gel cushion, the bottom of first plate body a plurality of and the supporting sleeve pipe of bracing piece looks adaptation, it has the damping pad to cohere on the supporting sleeve pipe's the inner wall.

Preferably, a reinforcing rib is bonded at the corner edge of the bottom of the inner side of the foundation pit.

Compared with the prior art, the utility model has the following beneficial effects:

1. the medium-density fiber core board arranged in the first board body is a board body structure which is formed by uniformly extruding oak fiber scraps and activated carbon particles into a whole after mixing and stirring, has the function of adsorbing formaldehyde, and the arranged melamine board is non-toxic and odorless and can not dissociate toxicity after being cured, so that the influence of the formaldehyde can be effectively reduced, the harm of the formaldehyde to a human body is avoided, and the first board body has certain environmental protection property;

2. according to the utility model, the tourmaline powder and the diatomite placed in the foundation pit can effectively adsorb harmful organic substances such as formaldehyde and the like emitted by the first plate body and the second plate body in the using process, so that the damage of the formaldehyde to a human body is reduced, and meanwhile, the tourmaline powder has good far infrared thermal radiation performance and the function of releasing negative oxygen ions, so that the environmental protection performance of the fiber board in use is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the first plate according to the present invention;

FIG. 3 is a schematic structural view of a density fiber core panel in accordance with the present invention;

fig. 4 is a structural sectional view of a second plate body according to the present invention.

In the figure: 1. a first plate body; 101. a medium density fiber core panel; 102. oak fiber crumbs; 103. activated carbon particles; 104. a high-density fiber substrate; 105. a melamine board; 106. a wear layer; 107. high temperature resistant modified phenolic resin fiber board; 108. a polytetrafluoroethylene plastic plate; 109. matching strips; 110. a support sleeve; 2. a second plate body; 201. a medium to high density fiber core panel; 202. a vent hole; 203. a melamine resin layer; 204. urea-formaldehyde resin adhesive layer; 205. PVC waterproof coiled material; 206. bamboo rotary-cut veneers; 207. an isocyanate anti-aging layer; 208. a matching groove; 3. a foundation pit; 301. a sound-absorbing cotton net plate; 302. tourmaline powder; 303. diatomaceous earth; 304. a support bar; 4. and reinforcing ribs.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1, 2 and 4, an environment-friendly aldehyde-reducing medium-high density fiberboard comprises a first board body 1 and a second board body 2, wherein the first board body 1 comprises a medium-density fiber core board 101, the medium-density fiber core board 101 comprises oak fiber scraps 102 and activated carbon particles 103, the upper end surface of the medium-density fiber core board 101 is sequentially bonded with a high-density fiber substrate 104 and a melamine board 105 through an adhesive, the upper end surface of the melamine board 105 is provided with a wear-resistant layer 106, the bottom end surface of the medium-density fiber core board 101 is sequentially bonded with a high-density fiber substrate 104, a high-temperature-resistant modified phenolic resin fiber board 107 and a polytetrafluoroethylene plastic board 108 through an adhesive, the upper end surface of the second board body 2 is provided with a foundation pit 3 through a hot-press casting mold, a horizontally parallel sound-absorbing cotton screen plate 301 is fixed in the foundation pit 3, the upper surface of the sound-absorbing cotton screen plate 301 is added with electric stone powder 302 in the foundation pit 3, diatomite 303 is added below the sound-absorbing cotton screen plate 301 on the inner side of the foundation pit 3, the second plate body 2 comprises a middle-high density fiber core board 201, melamine resin layers 203 are arranged on the inner end surface and the outer end surface of the middle-high density fiber core board 201 relative to the foundation pit 3, a PVC waterproof coiled material 205 is bonded on the surface of one side of the middle-high density fiber core board 201 relative to the foundation pit 3 through a urea-formaldehyde resin adhesive layer 204, a bamboo rotary-cut veneer 206 soaked with a fire retardant is bonded on the surface of the side of the middle-high density fiber core board 201 opposite to the foundation pit 3, and an isocyanate anti-aging layer 207 is coated on the outer surface of the bamboo rotary-cut veneer 206.

Referring to fig. 2, the medium density fiber core board 101 is a plate structure formed by uniformly extruding oak fiber chips 102 and activated carbon particles 103 after mixing and stirring, so that the medium density fiber core board 101 has a formaldehyde adsorption capability and also has a good structural strength.

Referring to fig. 2, the wear-resistant layer 106 is a transparent aluminum oxide film, and the outer surface of the wear-resistant layer is sprayed with nano-silica waterproof glue, so that the first plate 1 has good wear resistance and water resistance.

Referring to fig. 2, the surface of the high temperature resistant modified phenolic resin fiber plate 107 is provided with a plurality of honeycomb holes, which not only improves the structural strength of the high temperature resistant modified phenolic resin fiber plate 107, but also provides a certain sound insulation effect.

Referring to fig. 4, the inner core of the middle-high density fiber core board 201 is provided with ventilation holes 202 which are communicated with each other in the front-rear direction, so as to facilitate the discharge of hot air and moisture in the second board body 2 and the release of formaldehyde in the second board body.

Referring to fig. 1, matching grooves 208 are formed in two sides of the foundation pit 3 at the top end of the second plate body 2, and matching strips 109 matched with the matching grooves 208 are formed in two sides of the bottom end of the first plate body 1, so that the first plate body 1 and the second plate body 2 can be quickly clamped and connected, and the installation is simpler and more convenient.

Please refer to fig. 1, a plurality of support rods 304 are fixed on the inner side of the foundation pit 3, the support rods 304 are vertically upward, a silica gel cushion is fixed on the top of the support rods 304, a plurality of support sleeves 110 matched with the support rods 304 are arranged at the bottom of the first plate body 1, damping pads are bonded on the inner walls of the support sleeves 110, and the support rods 304 arranged have an auxiliary support function, so that the first plate body 1 can meet the use requirement of the fiberboard, the noise generated during walking can be reduced by the silica gel cushion arranged, and meanwhile, the damping pads arranged have good buffering performance and can reduce the generated abrasion.

Referring to fig. 1, a reinforcing rib 4 is bonded to the corner edge of the bottom of the inner side of the foundation pit 3, which is beneficial for the second plate 2 to maintain the structural stability.

The utility model is an environment-friendly formaldehyde-reducing medium-high density fiberboard, when in use, the inner core of the first board body 1 is a medium-density fiber core board 101, the medium-density fiber core board 101 is a board body structure formed by uniformly extruding oak fiber chips 102 and activated carbon particles 103 after mixing and stirring, and has a function of absorbing formaldehyde, so that the environment-friendly property of the first board body 1 is improved, the overall structural strength of the first board body 1 can be improved by the high-density fiber base board 104 bonded by the upper end surface and the lower end surface of the medium-density fiber core board 101 through the adhesive, the first board body 1 is not easy to deform, and the melamine board 105 positioned on the upper end surface of the high-density fiber base board 104 is nontoxic and tasteless, and can not dissociate toxicity after curing, so that the influence of formaldehyde can be effectively reduced, and the harm of formaldehyde to a human body is avoided; the inner core of the second plate body 2 is a middle-high density fiber core plate 201, the inner core of the middle-high density fiber core plate 201 is provided with vent holes 202 which are communicated front and back, the discharge of hot air and moisture in the second plate body 2 is facilitated, the release of formaldehyde in the second plate body is facilitated, the arranged melamine resin layer 203 can enable the middle-high density fiber core plate 201 to have good waterproof and fireproof functions and corrosion resistance, the middle-high density fiber core plate 201 cannot be affected with damp and deform in the using process, the service life of the middle-high density fiber core plate 201 is greatly prolonged, a certain fire retardant effect can be achieved, and the integral using effect of the second plate body 2 is further improved; meanwhile, the tourmaline powder 302 placed in the foundation pit 3 has good far infrared heat radiation performance and negative oxygen ion releasing function, can adsorb residual harmful organic substances in the first plate body 1 and the second plate body 2, endows the first plate body and the second plate body with infrared health care function, improves the environmental protection performance in use, and the placed diatomite 303 is a nontoxic natural substance, has good adsorption performance, can effectively absorb formaldehyde emitted by the first plate body 1 and the second plate body 2, and reduces the damage of the formaldehyde to a human body; simultaneously, the matching groove 208 that the top that is equipped with through the both sides of first plate body 1 bottom and matches strip 109 and second plate body 2 is equipped with can realize the concatenation equipment of first plate body 1 and second plate body 2 fast to obtain the major structure of this fibreboard, the installation is more simple and convenient, and convenient tourmaline powder 302 and diatomaceous earth 303 to in the foundation ditch 3, in order to reduce the environmental protection nature of the volume of giving off and using of this fibreboard formaldehyde.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a medium and high density fiberboard of aldehyde is fallen in environmental protection, includes first plate body (1) and second plate body (2), its characterized in that: the first plate body (1) comprises a medium density fiber core board (101), the medium density fiber core board (101) comprises oak fiber scraps (102) and activated carbon particles (103), the upper end face of the medium density fiber core board (101) sequentially bonds with a high density fiber substrate (104) and a melamine board (105) through an adhesive, the upper end surface of the melamine board (105) is provided with a wear-resistant layer (106), the bottom end face of the medium density fiber core board (101) sequentially bonds with a high density fiber substrate (104), a high temperature resistant modified phenolic resin fiber board (107) and a polytetrafluoroethylene plastic board (108) through an adhesive, the upper end face of the second plate body (2) is provided with a foundation pit (3) through a hot die casting, a horizontally parallel sound-absorbing cotton screen plate (301) is fixed in the foundation pit (3), and electric stone powder (302) is added on the upper surface of the cotton screen plate (301) in the foundation pit (3), the lower part of the sound-absorbing cotton net plate (301) is added with diatomite (303) on the inner side of the foundation pit (3), the second plate body (2) comprises a middle-high density fiber core plate (201), the middle-high density fiber core plate (201) is provided with a melamine resin layer (203) relative to the inner and outer end surfaces of the foundation pit (3), the middle-high density fiber core plate (201) is bonded with a PVC waterproof coiled material (205) relative to the surface of one side of the foundation pit (3) through a urea-formaldehyde resin adhesive layer (204), the middle-high density fiber core plate (201) is bonded with a bamboo rotary-cut veneer (206) soaked with a flame retardant agent on the surface of the side opposite to the foundation pit (3), and an isocyanate anti-aging layer (207) is coated on the outer surface of the bamboo rotary-cut veneer (206).

2. The environment-friendly aldehyde-reducing medium-high density fiberboard according to claim 1, wherein: the medium-density fiber core board (101) is of a board body structure formed by uniformly extruding the oak fiber chips (102) and the activated carbon particles (103) into a whole after mixing and stirring.

3. The environment-friendly aldehyde-reducing medium-high density fiberboard according to claim 1, wherein: the wear-resistant layer (106) is a transparent aluminum oxide film, and the outer surface of the wear-resistant layer is sprayed with nano silicon waterproof glue.

4. The environment-friendly aldehyde-reducing medium-high density fiberboard according to claim 1, wherein: the surface of the high-temperature-resistant modified phenolic resin fiber board (107) is provided with a plurality of honeycomb holes.

5. The environment-friendly aldehyde-reducing medium-high density fiberboard according to claim 1, wherein: the inner core of the middle-high density fiber core board (201) is provided with vent holes (202) which are communicated front and back.

6. The environment-friendly aldehyde-reducing medium-high density fiberboard according to claim 1, wherein: the both sides of foundation ditch (3) are equipped with matching groove (208) on the top of second plate body (2), the both sides of first plate body (1) bottom are equipped with and match matching strip (109) of groove (208) looks adaptation.

7. The environment-friendly aldehyde-reducing medium and high density fiberboard according to claim 1, wherein: the inboard of foundation ditch (3) is fixed with the perpendicular ascending bracing piece of a plurality of directions (304), the top of bracing piece (304) is fixed with the silica gel cushion, the bottom of first plate body (1) a plurality of and bracing piece (304) supporting sleeve (110) of looks adaptation, it has the damping pad to cohere on the inner wall of supporting sleeve (110).

8. The environment-friendly aldehyde-reducing medium-high density fiberboard according to claim 1, wherein: and reinforcing ribs (4) are bonded at the corner edges of the bottom of the inner side of the foundation pit (3).