CN114904685A - Pneumatic spraying and recycling device and spraying and recycling process for silicon-based nano aerogel of glass fiber felt and silicon-based heat-insulation glass fiber felt - Google Patents
Pneumatic spraying and recycling device and spraying and recycling process for silicon-based nano aerogel of glass fiber felt and silicon-based heat-insulation glass fiber felt Download PDFInfo
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- CN114904685A CN114904685A CN202210308260.XA CN202210308260A CN114904685A CN 114904685 A CN114904685 A CN 114904685A CN 202210308260 A CN202210308260 A CN 202210308260A CN 114904685 A CN114904685 A CN 114904685A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/10—Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1481—Spray pistols or apparatus for discharging particulate material
- B05B7/1486—Spray pistols or apparatus for discharging particulate material for spraying particulate material in dry state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/02—Needling machines with needles
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
- D04H3/004—Glass yarns or filaments
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
A glass fiber felt silicon-based nanometer aerogel pneumatic spraying recovery device, a spraying recovery process and a silicon-based heat-insulation glass fiber felt comprise: a glass fiber finishing and needling felt forming device, a powder spraying device and a powder collecting device; glass fiber arrangement acupuncture felting device left side sets up the stone platform, the right side sets up the acupuncture station, presses fine roller and defeated felt to set up nanometer silica gel dusting device between the pair roller, includes: a powder storage tank, a powder inlet pipe, a control valve, an air inlet valve, a powder spraying fan, a powder conveying pipe and a powder spraying pipe; the negative pressure dust collection groove of the powder collection device is communicated with an air inlet of the powder collection fan, an air outlet of the powder collection fan shell is communicated with a second powder conveying pipe, the second powder conveying pipe is communicated with a powder collection distribution pipe, each branch of the powder collection distribution pipe is respectively communicated with a powder collection filter bag, and the powder collection filter bag collects nano-silica aerogel powder and allows filtered air to pass through.
Description
Technical Field
The invention relates to the technical field of spraying and recovering glass fiber felt aerogel gel, in particular to the technical field of a spraying and recovering device system of nano silicon dioxide aerogel powder of a glass fiber needled felt.
Background
The glass fiber needled felt is a flaky product which is made by combining continuous strands or chopped strands together through chemical binders or mechanical action in a non-directional manner, has certain heat preservation and insulation effects, but has the defects of low heat preservation and insulation efficiency and large heat dissipation, and has no good solution to the defects, so that a glass fiber needled felt aerogel spraying and recovering device, a spraying and recovering process and a silicon-based heat preservation and insulation glass fiber felt are provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a glass fiber needled felt aerogel gel spraying and recovering device, a spraying and recovering process and a silicon-based heat-insulating glass fiber felt.
In order to achieve the purpose, the glass fiber needled felt aerogel spraying and recycling device system adopts the following technical scheme that the glass fiber needled felt aerogel spraying and recycling device system comprises: a glass fiber finishing needle-punched felt forming device, a powder spraying device, a powder collecting device and a glass fiber finishing needle-punched felt powder spraying and recycling process;
the left side of the glass fiber finishing and needling felt forming device is provided with a material spreading platform which is formed by evenly spreading glass fiber raw materials by equipment or manpower, a ratchet wheel is arranged above the right side of the material spreading platform, the front end of the ratchet wheel is provided with an anti-winding arc plate, a ratchet is arranged above the ratchet wheel and is used for evenly spreading the glass fibers and feeding the glass fibers to a needling station, the needling station is composed of a bearing orifice plate, eyelets on the bearing orifice plate correspond to needles on a needle arranging seat below the bearing orifice plate one by one, the needles under the needling station carry out needling crosslinking on the glass fiber raw materials under initial pressure, the needles are arranged on the needle arranging seat and are vertical to the needle arranging seat, the needle points of the needles point upwards, the tips of the needles are provided with miniature hooks for pulling the glass fibers on the upper layer downwards into a crosslinking state, the left side and the right side of the front end and the rear end of the needle arranging seat are respectively provided with four positioning slide rod holes which are sleeved on four slide rod guide planes, the four slide rod guide rods are vertical to and are fixedly arranged inside the glass fiber finishing and needling felt forming device, the middle parts of the front end and the rear end of the needle arranging seat are fixedly provided with a lifting rotating shaft, the lower end of the connecting rod is rotatably sleeved on the lifting rotating shaft, a bearing at the upper end of the connecting rod is rotatably sleeved on the crankshaft, the crankshaft is driven by a needling motor to rotate and drive the connecting rod to move up and down periodically and drive the needle arranging seat and the needle arranging seat to carry out up-and-down needling operation on a primary pressed glass fiber raw material, a needled crosslinked glass fiber felt is conveyed to a fiber pressing roller under the transmission of a conveying belt to carry out primary pressing, a stainless steel mesh conveying belt is arranged below the fiber pressing roller, the fiber pressing roller and the stainless steel mesh conveying belt clamp the crosslinked glass fiber felt to move left, and rolling operation is carried out under the continuous traction of a felt conveying roller pair roller and a felt rolling roller.
A nano silica gel powder spraying device is arranged between the fiber pressing roller and the felt conveying pair roller, the right side of a powder spraying pipe of the powder spraying device is communicated with a powder conveying pipe, the bottom of the powder spraying pipe is provided with a powder spraying hole array, the powder conveying pipe is communicated with an air outlet of a powder spraying fan, a powder inlet is arranged at the central part of a shell of the powder spraying fan, which corresponds to an impeller shaft, and is communicated with a powder inlet pipe, the right side of the powder inlet pipe is communicated with a horizontal left pipe of a three-way pipe, a powder quantity control valve is arranged between the right side of the powder inlet pipe and the three-way pipe, the horizontal right pipe of the three-way pipe is communicated with an air inlet valve and an air inlet pipe, a vertical branch pipe of the three-way pipe is communicated with the bottom of a powder storage tank, and nano silica gel is stored in the powder storage tank;
the lower part of the stainless steel mesh conveyer belt which is opposite to the powder spraying pipe is provided with a negative pressure dust collection groove, the negative pressure dust collection groove is communicated with a powder collection device, the negative pressure dust collection groove is of a cuboid square pipe structure with the left end closed, the cuboid square pipe is provided with a powder collection hole array which is opposite to the upper end surface of the powder spraying pipe, the right end of the negative pressure dust collection groove is communicated with an air inlet at the axis position of a fan wheel of a powder collection fan through a square and ground circular reducer pipe, an air outlet of a shell of the powder collection fan is communicated with a second powder conveying pipe, the second powder conveying pipe is communicated with a powder collection distribution pipe, each branch of the powder collection distribution pipe is respectively communicated with a plurality of powder collection filter bags, and the powder collection filter bags collect nano-silica aerosol powder and allow purified air to pass through.
Further optimization, the anti-winding arc plate is hollow corresponding to the ratchet position of the ratchet wheel, and two ends of the anti-winding arc plate are fixedly arranged on the wall plates at two ends of the glass fiber finishing and needling felt forming device.
Further optimizing, the drive crankshaft of the needling motor rotates to drive the connecting rod to move up and down periodically, the lower end of the connecting rod drives the needle arranging base to move up and down, four positioning slide guiding rod holes which are respectively arranged at the left side and the right side of the front end and the rear end of the needle arranging base are straight up and down along the four slide guiding rods, and reciprocating needling crosslinking operation is carried out on the primary pressing glass fiber raw material.
Further optimization, the powder inlet is communicated with and arranged on the side wall of the shell, which is opposite to the axis of the impeller, of the powder spraying fan.
Further optimizing, the aperture of the powder spraying hole array is the same, and the aperture diameter range is as follows: 0.001 mm-2 mm.
Further optimization, the air inlet valve is in a normally open state when powder spraying operation is carried out, air mixing is carried out through the air inlet pipe communicated with the air inlet valve, and the air inlet valve is in a closed state when the powder spraying operation is finished.
Further optimization, the control valve is in a normally open state when powder spraying operation is carried out, and the opening of the control valve correspondingly controls the flow of pneumatic conveying dust.
Further optimized, the powder conveying pipe, the powder spraying pipe and the powder collecting pipe are metal pipes or nonmetal pipes.
Further optimizing, the aperture of the powder collecting hole array on the upper end surface of the negative pressure dust suction groove is the same, and the aperture diameter range is as follows: 0.01 mm-4 mm, and the powder collecting hole array on the end face of the negative pressure dust suction groove absorbs the surplus nano-silica aerogel powder sprayed on the cross-linked glass fiber felt through the meshes on the stainless steel mesh conveyer belt.
Further optimized, the number of the branch pipes of the powder collecting distribution pipe is 2-100 and the branch pipes are respectively communicated with 2-100 powder collecting filter bags.
Further optimizing, the spraying amount of the silicon-based nano aerogel powder (12) is 26 kilograms per cubic meter to 36 kilograms per cubic meter under the condition of heat preservation, a powder spraying fan (5) is started through a silicon-based nano aerogel powder spraying device to uniformly spray the silicon-based nano aerogel powder (12) on the inner part and the surface of the glass fiber needled felt (19), and the redundant silicon-based nano aerogel powder (12) is recycled through a powder collecting device, a negative pressure dust collecting groove (13), a powder collecting fan (15) and a powder collecting filter bag (18).
Advantageous effects
The invention provides a pneumatic spraying recovery device and a pneumatic spraying recovery process for silicon-based nano aerogel of a glass fiber felt, and a silicon-based heat-insulating glass fiber felt; the method has the following beneficial effects: the powder spraying and collecting device system of the glass fiber needled felt prepares the glass fiber felt through a glass fiber finishing needling felt forming device; conveying the silica aerogel powder into the powder spraying pipe through the powder inlet, spraying the nano silica aerogel powder into the glass fiber needled felt and on the surface of the glass fiber needled felt through the powder spraying opening formed in the bottom of the powder spraying pipe, controlling the powder spraying amount through the opening of the control valve, and controlling the mixing amount of the nano silica aerogel powder and air through the opening of the control valve, namely controlling the powder spraying density; collect unnecessary nanometer silica aerogel powder through receiving the powder device, prevent that raw and other materials are extravagant and used repeatedly, reduction in production cost, prevent workshop air pollution, the surface of glass fiber acupuncture felt and inside have sprayed nanometer silica aerogel powder, the degree of depth aerogel glass fiber felt has been made, the peculiar effect of excellent aerogel has been obtained, the thermal-insulated glass fiber acupuncture felt product of heat preservation that covers silica-based aerogel powder of this device production, be used for wrapping up steam conduit or parcel gas, liquid conveying pipeline, the boiler, products such as dust remover, can prevent that the heat scatters and disappears, play energy saving and emission reduction's beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of a pneumatic spraying recovery device and a spraying recovery process for silicon-based nano aerogel of a glass fiber mat and a structure of a silicon-based heat-insulating glass fiber mat;
FIG. 2 is a bottom view of the powder injection tube of the present invention;
fig. 3 is a top view of the vacuum groove of the present invention.
Illustration of the drawings: 1. a powder storage tank; 2. a powder inlet pipe; 3. a control valve; 4. an intake valve; 5. a powder spraying fan; 6. a powder conveying pipe; 7. a powder inlet; 8. a three-way pipe; 10. a powder spraying pipe; 11. powder spraying hole array; 12. silica nano aerogel powder; 13. a negative pressure dust suction groove; 14. an array of powder suction holes; 15. a powder collecting fan; 16. a second powder conveying pipe; 17. collecting and distributing the powder; 18. a powder collecting filter bag; 19. a glass fiber needled felt; 191. a material spreading platform; 20. glass fiber yarn raw material; 21. a ratchet wheel; 22. a ratchet; 23. a crankshaft; 24. a connecting rod; 25. arranging a pin array; 26. a needle arranging base; 27. pressing a fiber roller; 28. conveying felt to form a pair of rollers; 29. a felt roll; 30. supporting the orifice plate; 31. a guide slide bar; 32. a stainless steel mesh conveyor belt; 33. a needling motor; 34. an anti-winding arc plate.
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, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Glass fiber mat silicon-based nano aerogel pneumatic spraying recovery device, spraying recovery process and silicon-based heat-preservation and heat-insulation glass fiber mat as shown in figures 1-3, and the device comprises: a glass fiber finishing needle-punching felt-forming device, a powder spraying device and a powder collecting device;
the left side of the glass fiber finishing and needling felt-forming device is a paving platform, the paving platform 191 is used for paving glass fiber raw materials evenly by equipment or manpower, a ratchet 21 is arranged above the right side of the paving platform 191, an anti-winding arc plate 34 is arranged at the front end of the ratchet, a ratchet 22 is arranged above the ratchet and is used for raking the glass fibers evenly and feeding the glass fibers to a needling station, the needling station is composed of a bearing orifice plate 30, an eyelet array on the bearing orifice plate 30 corresponds to a needle array on a needle arranging seat 26 below the bearing orifice plate, the needle arranging array below the needling station penetrates the eyelet array on the bearing orifice plate 30 to carry out needling crosslinking on the glass fiber raw materials under initial pressure, a needle arranging array 25 is arranged on the needle arranging seat 26 and is vertical to the needle arranging seat 26, the needle point of the needle arranging array points point upwards, a miniature return hook is arranged at the tip of the needle arranging needle for drawing the glass fibers on the upper layer downwards into a crosslinking state, four positioning guide slide rod holes are respectively arranged at the left side and the right side of the front end and the rear end of the needle arranging seat 26, the guide slide rod holes are slidably sleeved on the four guide slide rods 31, the four guide slide rods are perpendicular to the horizontal plane and fixedly arranged on a bearing seat inside a glass fiber finishing and needling felt forming device, a lifting rotating shaft is fixedly arranged in the middle of the front end and the rear end of a needle arranging seat 26, the lower end of a connecting rod 24 is rotatably sleeved on the lifting rotating shaft, the upper end of the connecting rod 24 is rotatably sleeved on a crankshaft 23 through a bearing, the crankshaft 23 is driven by a needling motor 33 to rotate to drive the connecting rod 24 to move up and down periodically and drive the needle arranging seat 26 and a needle arranging array 25 to carry out up-and-down needling operation on a primary pressed glass fiber raw material, a needled crosslinked glass fiber felt 19 is conveyed to a fiber pressing roller to carry out primary pressing under the transmission of a conveying belt, a stainless steel mesh conveying belt 32 is arranged below the fiber pressing roller, the crosslinked glass fiber felt 27 is clamped by the stainless steel mesh conveying belt 32 to move left, and rolling operation is carried out under the continuous traction of a felt conveying roller 28 and a felt rolling roller.
A nano silicon dioxide gel powder spraying device is arranged between the fiber pressing roller 27 and the felt conveying roller pair 28, and comprises: powder storage tank 1, powder inlet pipe 2, control valve 3, admission valve 4, the fan 5 that dusts, defeated powder pipe 6, the pipe 10 that dusts, its characterized in that: the left side of the powder spraying pipe 1 is communicated with a powder conveying pipe 6, the powder conveying pipe 6 is communicated with a powder spraying fan 5, a powder inlet 7 is formed in a shell body of the powder spraying fan 5, the shell body wraps an impeller, the powder inlet 7 is communicated with a powder inlet pipe 2, the powder inlet pipe 2 is communicated with a horizontal left pipe of a three-way pipe 8, a control valve 3 is arranged between the powder inlet pipe 2 and the three-way pipe 8, the horizontal right pipe of the three-way pipe 8 is communicated with an air inlet valve 4 and an air inlet pipe 9, a branch pipe of the three-way pipe 8 is communicated with the bottom of the powder storage tank 1, nanometer heat-insulating powder is stored in the powder storage tank 1, and a powder spraying hole array 11 is formed in the bottom of the powder spraying pipe 10;
a powder collecting device; a negative pressure dust collection groove 13 is arranged below a stainless steel mesh conveyor belt right below a powder spraying pipe 10, the negative pressure dust collection groove 13 is of a cuboid square pipe structure with a closed left end, the cuboid square pipe is provided with a powder absorption hole array 14 right above the upper end face of the powder spraying pipe 10, the right end of the negative pressure dust collection groove 13 is provided with a sky-ground round reducer and is communicated with an air inlet of a powder collection fan shell at the axis position of a fan wheel of a powder collection fan 15, an air outlet of the powder collection fan shell is communicated with a second powder conveying pipe 16, the second powder conveying pipe is communicated with a powder collection distribution pipe 17, each branch of the powder collection distribution pipe is respectively communicated with a powder collection filter bag 18, and the powder collection filter bag 18 collects nano-silica aerogel powder and allows filtered air to pass through.
Example one
The anti-winding arc plate 34 is hollowed out corresponding to the ratchet 22 of the ratchet 21, and two ends of the anti-winding arc plate 34 are fixedly arranged on wall plates at two ends of the glass fiber finishing and needling felt forming device.
Example two
The driving crankshaft 23 of the needling motor 33 rotates to drive the connecting rod 24 to move up and down periodically, the lower end of the connecting rod drives the needle arranging seat 26 to move up and down, four positioning slide guide rod holes respectively arranged at the left side and the right side of the front end and the rear end of the needle arranging seat are vertically arranged along the four slide guide rods 31, and the reciprocating needling and crosslinking operation is carried out on the primary-pressing glass fiber raw material.
EXAMPLE III
The powder inlet 7 is communicated with and arranged on the side wall of the shell, which is opposite to the axis of the impeller, of the powder spraying fan 5, the aperture of each hole of the powder spraying hole array 11 is the same, and the diameter of each hole is 0.001-2 mm.
Example four
The air inlet valve 4 is in a normally open state when powder spraying operation is carried out, air mixing is carried out through the air inlet pipe 9 communicated with the air inlet valve 4, and the air inlet valve 4 is in a closed state when the powder spraying operation is finished.
EXAMPLE five
When powder spraying operation is carried out, the control valve 3 is in a normally open state, and the opening of the control valve 3 correspondingly controls the flow of pneumatic conveying dust.
EXAMPLE six
The powder conveying pipe 6 and the powder spraying pipe 10 adopt metal pipes or non-metal pipes.
EXAMPLE seven
The spraying amount of the silicon-based nano aerogel powder (12) is 26 kilograms per cubic meter to 36 kilograms per cubic meter, a powder spraying fan (5) is started through a silicon-based nano aerogel powder spraying device to uniformly spray the silicon-based nano aerogel powder (12) on the inner part and the surface of the glass fiber needled felt (19), and the redundant silicon-based nano aerogel powder (12) is recycled through a powder collecting device, a negative pressure dust suction groove (13), a powder collecting fan (15) and a powder collecting filter bag (18).
Example eight
The aperture of the powder collecting hole array 14 is the same, and the aperture diameter range is as follows: 0.01 mm-4 mm.
Example nine
The number of each branch pipe of the powder collecting distribution pipe 17 is 2-100 and is respectively communicated with 2-100 powder collecting filter bags 18.
EXAMPLE ten
The glass fiber needled felt silicon-based nano aerogel pneumatic spraying recovery device system obtains a material which is even in powder distribution and has heat preservation and insulation effects through a pneumatic spraying recovery process: silicon-based heat-insulating glass fiber felt.
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 invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Glass fiber mat silica-based nanometer aerogel strength spraying recovery unit and spraying recovery technology and silica-based thermal-insulated glass fiber mat that keeps warm, its characterized in that includes: a glass fiber finishing and needling felt forming device, a powder spraying device and a powder collecting device;
the left side of the glass fiber finishing and needling felt forming device is provided with a paving platform, the paving platform (191) is used for paving glass fiber raw materials uniformly by equipment or manpower, a ratchet wheel (21) is arranged above the right side of the paving platform (191), an anti-twisting arc plate (34) is arranged at the front end of the ratchet wheel, a ratchet (22) is arranged above the ratchet wheel and used for raking the glass fibers uniformly and feeding the glass fibers to a needling station, the needling station is composed of a bearing pore plate (30), an eyelet array on the bearing pore plate (30) corresponds to a pin array on a pin header (26) below the bearing pore plate, the pin header array below the needling station penetrates through the eyelet array on the bearing pore plate (30) to carry out needling crosslinking on the initial-pressed glass fiber raw materials, a pin header array (25) is arranged on the pin header (26) and is vertical to the pin header (26), the tip of the pin header array points upwards, the tip of the pin header is provided with a micro-return hook for pulling the glass fibers on the upper layer downwards into a crosslinking state, four positioning slide rod holes are respectively arranged on the left side and the right side of the front end and the rear end of a needle arranging seat (26), the slide rod holes are slidably sleeved on four slide guide rods (31), the four slide guide rods are vertical to the horizontal plane and fixedly arranged on a bearing seat inside a glass fiber finishing and needling felt forming device, a lifting rotating shaft is fixedly arranged in the middle of the front end and the rear end of the needle arranging seat (26), the lower end of a connecting rod (24) is rotatably sleeved on the lifting rotating shaft, the upper end of the connecting rod (24) is rotatably sleeved on a crankshaft (23) through a bearing, the crankshaft (23) is driven by a needling motor (33) to rotate and drive the connecting rod (24) to move up and down periodically and drive the needle arranging seat (26) and a needle arranging array (25) to carry out up-down needling operation on a primary pressed glass fiber raw material, a crosslinked glass fiber felt after needling is conveyed to a fiber pressing roller for primary pressing under the transmission of a conveying belt, a stainless conveying belt (32) is arranged below the fiber pressing roller, the fiber pressing roller (27) and the stainless steel net conveying belt (32) clamp the crosslinked glass fiber felt to move leftwards, and the rolling operation is carried out under the continuous traction of the felt conveying roller (28) and the felt rolling roller.
A silicon-based nano aerogel powder spraying device is arranged between a fiber pressing roller (27) and a felt conveying roller pair (28), and comprises: a powder storage tank (1), a powder inlet pipe (2), a control valve (3), an air inlet valve (4), a powder spraying fan (5), a powder conveying pipe (6) and a powder spraying pipe (10), the left side of the powder spraying pipe (10) is communicated with a powder conveying pipe (6), the powder conveying pipe (6) is communicated with a powder spraying fan (5), a powder inlet (7) is formed in a shell of the powder spraying fan (5) wrapping an impeller, the powder inlet (7) is communicated with a powder inlet (2) pipe (2), the powder inlet pipe (2) is communicated with a horizontal left pipe of a three-way pipe (8), a control valve (3) is arranged between the powder inlet pipe (2) and the three-way pipe (8), the horizontal right pipe of the three-way pipe (8) is communicated with an air inlet valve (4) and an air inlet pipe (9), a branch pipe of the three-way pipe (8) is communicated with the bottom of the powder storage tank (1), nano heat-preservation powder is stored in the powder storage tank (1), and the bottom of the powder spraying pipe (10) is provided with a powder spraying hole array (11);
the powder collecting device is characterized in that a negative pressure dust collecting groove (13) is arranged below a stainless steel mesh conveyor belt right below a powder spraying pipe (10), the negative pressure dust collecting groove (13) is of a cuboid square pipe structure with a closed left end, a powder absorbing hole array (14) is arranged right above the powder spraying pipe (10) on the cuboid square pipe, a square-ground round reducer pipe is arranged at the right end of the negative pressure dust collecting groove (13) and communicated with an air inlet of a powder collecting fan shell at the axis position of a fan wheel of a powder collecting fan (15), an air outlet of the powder collecting fan shell is communicated with a second powder conveying pipe (16), the second powder conveying pipe is communicated with a powder collecting distribution pipe (17), each branch of the powder collecting distribution pipe is communicated with a powder collecting filter bag (18), and the powder collecting filter bag (18) collects nano-silica aerogel powder and allows filtered air to pass through.
2. The glass fiber mat silicon-based nano aerogel pneumatic spraying recovery device, the spraying recovery process and the silicon-based heat-insulating glass fiber mat as claimed in claim 1, wherein the anti-winding arc plate (34) is hollowed out corresponding to the ratchet (22) of the ratchet wheel (21), and two ends of the anti-winding arc plate (34) are fixedly arranged on wall plates at two ends of the glass fiber finishing and needling felt forming device.
3. The spraying process of the glass fiber needled felt silicon-based nano aerogel pneumatic spraying recovery device and the silicon-based heat-insulating glass fiber felt according to claim 1, wherein a driving crankshaft (23) of a needling motor (33) rotates to drive a connecting rod (24) to move up and down periodically, the lower end of the connecting rod drives a needle arranging seat (26) to move up and down, four positioning slide guide rod holes which are respectively arranged at the left side and the right side of the front end and the rear end of the needle arranging seat are vertically arranged up and down along four slide guide rods (31), and the reciprocating needling crosslinking operation is carried out on the initial-pressure glass fiber raw material.
4. The pneumatic spraying recovery device and the spraying recovery process for the silicon-based nano aerogel of the glass fiber mat as well as the silicon-based heat-insulating glass fiber mat as claimed in claim 1 are characterized in that the powder inlet (7) is arranged at the position of the powder spraying fan (5) opposite to the axis of the impeller and is communicated with the side wall of the shell of the powder spraying fan (5).
5. The pneumatic spraying recovery device and the pneumatic spraying recovery process for the silicon-based nano aerogel of the glass fiber mat as well as the silicon-based heat-insulating glass fiber mat are characterized in that the powder spraying hole arrays (11) have the same aperture which is 0.001 mm-2 mm, the powder collecting hole arrays (14) have the same aperture which is within the range of the aperture diameter: 0.01 mm-4 mm, the number of each branch pipe of the powder collecting distribution pipe (17) is 2-100 and the branch pipes are respectively communicated with 2-100 powder collecting filter bags (18).
6. The glass fiber mat silicon-based nano aerogel pneumatic spraying recovery device, the spraying recovery process and the silicon-based heat-preservation and heat-insulation glass fiber mat as claimed in claim 1 are characterized in that an air inlet valve (4) is in a normally open state during powder spraying operation, air mixing is performed through an air inlet pipe (9) communicated with the air inlet valve (4), and the air inlet valve (4) is in a closed state after the powder spraying operation is finished.
7. The pneumatic spraying recovery device and the pneumatic spraying recovery process for the silicon-based nano aerogel of the glass fiber felt as well as the silicon-based heat-insulating glass fiber felt are characterized in that the control valve (3) is in a normally open state during powder spraying operation, and the opening degree of the control valve (3) correspondingly controls the flow of pneumatic conveying dust.
8. The pneumatic spraying recovery device and the spraying recovery process for the silicon-based nano aerogel of the glass fiber mat as well as the silicon-based heat-insulating glass fiber mat as claimed in claim 1 are characterized in that the powder conveying pipe (6) and the powder spraying pipe (10) are metal pipes or non-metal pipes.
9. The pneumatic spraying recovery device and the pneumatic spraying recovery process for the silicon-based nano aerogel of the glass fiber felt as well as the silicon-based heat-insulation glass fiber felt are characterized in that the spraying amount of the silicon-based nano aerogel powder (12) is 26 heat-insulation kilograms per cubic meter to 36 kilograms per cubic meter, the powder spraying fan (5) is started through the silicon-based nano aerogel powder spraying device to uniformly spray the silicon-based nano aerogel powder (12) on the inner part and the surface of the glass fiber needled felt (19), and the surplus silicon-based nano aerogel powder (12) is recovered through the powder collecting device, the negative pressure dust suction groove (13), the powder collecting fan (15) and the powder collecting filter bag (18).
10. The pneumatic spraying recovery device and the pneumatic spraying recovery process for the silicon-based nano aerogel of the glass fiber felt as well as the silicon-based heat-preservation and heat-insulation glass fiber felt are characterized in that the pneumatic spraying recovery device system for the silicon-based nano aerogel of the glass fiber needled felt obtains a glass fiber felt with uniform powder distribution and heat-preservation and heat-insulation effects through the pneumatic spraying recovery process: silicon-based heat-insulating glass fiber felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210308260.XA CN114904685A (en) | 2022-03-26 | 2022-03-26 | Pneumatic spraying and recycling device and spraying and recycling process for silicon-based nano aerogel of glass fiber felt and silicon-based heat-insulation glass fiber felt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210308260.XA CN114904685A (en) | 2022-03-26 | 2022-03-26 | Pneumatic spraying and recycling device and spraying and recycling process for silicon-based nano aerogel of glass fiber felt and silicon-based heat-insulation glass fiber felt |
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| CN114904685A true CN114904685A (en) | 2022-08-16 |
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| CN202210308260.XA Pending CN114904685A (en) | 2022-03-26 | 2022-03-26 | Pneumatic spraying and recycling device and spraying and recycling process for silicon-based nano aerogel of glass fiber felt and silicon-based heat-insulation glass fiber felt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447225A (en) * | 2022-08-19 | 2022-12-09 | 湖北硅金凝节能减排科技有限公司 | Preparation method of aerogel heat insulation felt |
| CN116460111A (en) * | 2023-04-11 | 2023-07-21 | 泰安三英新材料股份有限公司 | System and method for recycling chopped strand mat rubber powder |
-
2022
- 2022-03-26 CN CN202210308260.XA patent/CN114904685A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447225A (en) * | 2022-08-19 | 2022-12-09 | 湖北硅金凝节能减排科技有限公司 | Preparation method of aerogel heat insulation felt |
| CN116460111A (en) * | 2023-04-11 | 2023-07-21 | 泰安三英新材料股份有限公司 | System and method for recycling chopped strand mat rubber powder |
| CN116460111B (en) * | 2023-04-11 | 2023-10-20 | 泰安三英新材料股份有限公司 | System and method for recycling chopped strand mat rubber powder |
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