CN111054309A - Formaldehyde-removing carbon cotton modification production device and use method thereof - Google Patents
Formaldehyde-removing carbon cotton modification production device and use method thereof Download PDFInfo
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- CN111054309A CN111054309A CN201911392949.XA CN201911392949A CN111054309A CN 111054309 A CN111054309 A CN 111054309A CN 201911392949 A CN201911392949 A CN 201911392949A CN 111054309 A CN111054309 A CN 111054309A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229920000742 Cotton Polymers 0.000 title claims abstract description 76
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000004048 modification Effects 0.000 title claims abstract description 25
- 238000012986 modification Methods 0.000 title claims abstract description 25
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000007788 liquid Substances 0.000 claims abstract description 111
- 238000005507 spraying Methods 0.000 claims abstract description 62
- 238000001035 drying Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 21
- 150000001721 carbon Chemical class 0.000 claims description 14
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- 238000009529 body temperature measurement Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 6
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- 239000010935 stainless steel Substances 0.000 claims description 6
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 150000001413 amino acids Chemical class 0.000 description 4
- 239000001099 ammonium carbonate Substances 0.000 description 4
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 4
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- 238000006731 degradation reaction Methods 0.000 description 3
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- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
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- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- LLBVTQCUQHMRBC-UHFFFAOYSA-N 3-amino-2-anilinophenol Chemical compound NC=1C(=C(C=CC1)O)NC1=CC=CC=C1 LLBVTQCUQHMRBC-UHFFFAOYSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
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- 231100000378 teratogenic Toxicity 0.000 description 1
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- 238000005406 washing Methods 0.000 description 1
Images
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a formaldehyde-removing carbon cotton modification production device which comprises a conveying mesh belt system and a central control platform, wherein an input end of the conveying mesh belt system is respectively provided with an active liquid tank, an electronic scale, a metering pump, a spraying system, a spraying liquid receiving box and an air compressor air supply system, the active liquid tank is arranged on the electronic scale, a liquid inlet pipe of the metering pump is inserted into the active liquid tank, the spraying system is arranged above the conveying mesh belt system and is connected with a liquid outlet pipe of the metering pump, the spraying liquid receiving box is positioned right below the spraying system, and the air compressor air supply system is connected with the spraying system through a compressed air pipeline; the middle part of the transmission mesh belt system is provided with a microwave drying system, and the microwave drying system is provided with a moisture exhaust air pipe system. The finished product prepared by the method has high formaldehyde removal efficiency, uniform color and no white spots, has low energy consumption, short time, strong controllability and no pollution in the production process compared with the traditional process, and not only can be used for removing formaldehyde liquid spraying modification of carbon cotton, but also can be used for continuous spraying modification of non-metallic material materials and modules.
Description
Technical Field
The invention relates to the technical field of indoor air pollution treatment technology and manufacturing and processing technology, in particular to a formaldehyde-removing carbon cotton modification production device and a use method thereof.
Background
Indoor formaldehyde, especially formaldehyde in newly-decorated rooms is high in content, has the characteristics of high toxicity, wide sources, long release time and the like, is a main cause of a plurality of diseases, and is determined as a carcinogenic and teratogenic substance by the world health organization. Aiming at indoor formaldehyde pollution treatment, a plurality of means are adopted at present, such as a physical adsorption method, an oxidation degradation method, a catalytic oxidation degradation method, a photocatalytic oxidation degradation method, a chemical adsorption method and the like. The chemical adsorption method has the advantages of large adsorption capacity, firm adsorption with formaldehyde, difficult desorption and the like, and is the most common method for indoor formaldehyde treatment at present. Formaldehyde chemisorption agents (also known as formaldehyde capture agents) usually achieve better formaldehyde adsorption removal effects by performing secondary modification on activated carbon, molecular sieves, porous clay, macroporous silica gel and porous alumina and by directionally synthesizing resin polymers with formaldehyde adsorption functional groups, except that most of formaldehyde active groups are amino, anilino, phenol, hydroxyl and other functional groups.
For example, CN101468305B provides a formaldehyde adsorbent and its preparation method. The formaldehyde adsorbent consists of a base material, a high-molecular organic amine polymer and a polyol polymer, and the preparation method comprises the steps of preparing a formaldehyde reactant, pretreating the base material, curing and forming and the like. The method utilizes the strong bonding action between the active sites of amino, alcoholic hydroxyl and the like of the organic amine polymer and the polyol polymer and formaldehyde to realize the adsorption and removal of the formaldehyde, but the preparation method is slightly complex and has higher material cost.
CN103691411B discloses a formaldehyde adsorbent containing chitosan and β -cyclodextrin and a preparation method thereof, the formaldehyde adsorbent is prepared by chitosan and β -cyclodextrin, the chitosan is dissolved in hydrochloric acid, then mixed with β -cyclodextrin solution, stirred, glutaraldehyde solution is slowly dripped into the mixed solution, the mixed solution is heated and stirred under the protection of inert gas, sodium hydroxide solution is added into the reaction solution to separate out the product, the product is filtered, washed by water to be neutral and then washed by acetone, and dried in vacuum, the material is a high molecular cross-linking material, and mainly-NH in the chitosan is utilized2and-OH in cyclodextrin to realize the adsorption of formaldehyde, but the preparation process has washing wastewater and uses an acetone solvent, so that the environmental protection is poor, and the raw materials such as chitosan, β -cyclodextrin and the like have high cost.
CN101642698B the present invention discloses an adsorbent for separating formaldehyde from air and a preparation method thereof. The adsorbent carrier is activated carbon, whichSurface attachment of-NH, -NH2and-NH3One or more of-NH and-NH2and-NH3The precursor is one of ammonium carbonate, ammonium bicarbonate, ammonium sulfate, ammonium nitrate, ammonium chloride, ethylenediamine, hexamethylenediamine, aniline and urea. The method adopts-NH and-NH2and-NH3The active substance is bonded with formaldehyde to realize the purpose of removing formaldehyde by chemical adsorption, but the material loaded by the active substances of ammonium carbonate, ammonium bicarbonate, ammonium sulfate, ammonium nitrate, ammonium chloride, ethylenediamine, hexamethylenediamine, aniline and urea has the problem of releasing ammonia odor, and the environmental protection property needs to be considered.
CN108554383A provides a normal temperature formaldehyde adsorbent and a preparation method and application thereof, the adsorbent comprises a carrier and an active agent, the carrier is active carbon, the active agent is 4-amino-1, 2-catechol hydrochloride, and the preparation method of the adsorbent comprises the following steps: measuring the water adsorption volume of the activated carbon carrier, weighing activated carbon, weighing water and 4-amino-1, 2-catechol hydrochloride, preparing 4-amino-1, 2-catechol hydrochloride solution, adding the prepared 4-amino-1, 2-catechol hydrochloride solution into the activated carbon, stirring, standing, and finally baking at 80-120 ℃ to obtain the activated carbon. The active substance 4-amino-1, 2-catechol hydrochloride has-NH2And a phenol group which can be effectively bonded with formaldehyde to realize the removal of the formaldehyde.
Therefore, except that the formaldehyde chemical adsorption material is mostly prepared into a powder finished product or is soaked on a profile with high specific surface area such as activated carbon, alumina, a molecular sieve and the like to prepare a modified granular material, the material is really used in air purification equipment and needs to be subjected to secondary forming and packaging; in addition, the reported material preparation process is long and complicated, and risks of waste water, peculiar smell gas and dust pollution are more existed.
Therefore, the invention provides a production device and a method for modifying conventional carbon sponge (carbon cotton for short) by using green formaldehyde-removing active liquid, which comprises the following steps: the modified carbon sponge can be used only by cutting, so that the cost of forming and packaging powder materials and particle materials is saved, and the risk of dust release is avoided; the formaldehyde removal active liquid adopts compound amino acid functional liquid, has the characteristics of no odor, no color, safety and high efficiency, and does not have the risk of releasing peculiar smells such as ammonia gas and the like; the provided production device can solve the defects of high energy consumption, long production period, uneven product color and the like of the traditional hot air drying, and the preparation process has no three-waste discharge.
Disclosure of Invention
The invention aims to provide a formaldehyde-removing carbon cotton modification production device and a use method thereof aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a remove modified apparatus for producing of formaldehyde carbon cotton, includes conveying net belt system and central console, and its innovation point lies in: the input end of the conveying mesh belt system is respectively provided with an active liquid box, an electronic scale, a metering pump, a spraying system, a spraying liquid receiving box and an air compressor air supply system, the active liquid box is arranged on the electronic scale, a liquid inlet pipe of the metering pump is inserted into the active liquid box, the metering pump is fixed beside the active liquid box, the spraying system is arranged above the conveying mesh belt system and is connected with a liquid outlet pipe of the metering pump, the spraying liquid receiving box is positioned right below the spraying system, and the air compressor air supply system is connected with the spraying system through a compressed air pipeline; the middle part of the transmission mesh belt system is provided with a microwave drying system, and the microwave drying system is provided with a moisture exhaust air pipe system; the center console is electrically connected with each part respectively.
Furthermore, the active liquid tank is a stainless steel or plastic square tank with the volume of 150L and 250L and is used for containing formaldehyde removal active liquid, and the lower part of the tank wall is provided with a discharge switch valve.
Furthermore, the measuring range of the electronic scale is 0-300kg, and the measuring precision is 0.5 g; the metering pump is of a plunger type, a liquid outlet can bear 3MPa of pressure, and the measuring range is 0-1000 mL/min.
Furthermore, the conveying mesh belt system mainly comprises a main driving wheel, a motor power frame, a bogie provided with an auxiliary driving wheel and an electric anti-deviation system, a conveying mesh belt and conveying rollers, wherein the conveying mesh belt and the conveying rollers are made of Teflon materials.
Furthermore, the spraying system comprises a spray head assembly and a spray head fixing frame, the spray head assembly is fixed on the conveying mesh belt system through the spray head fixing frame, and the spray head assembly is connected with a liquid outlet pipe of the metering pump.
Furthermore, the air supply system of the air compressor mainly comprises the air compressor and a compressed air pipeline, the air compressor is provided with a flow meter and a pressure reducing valve, the air supply pressure of the compressed air can be stabilized at 0.4-0.6MPa, the air supply quantity is adjustable at 0-20L/min, and the base of the air compressor is fixed in the bogie in a damping mode through a rubber gasket.
Further, the microwave drying system comprises a magnetron mounting box body, an electric cabinet, a microwave heating cavity and a microwave suppressor, wherein the microwave heating cavity is positioned below the magnetron mounting box body, and the microwave suppressor is respectively positioned at an inlet and an outlet of the microwave heating cavity; the magnetron mounting box is internally provided with an air-cooled magnetron, an air-cooled fan, a box body, a box cover, a connecting wire, a low-temperature infrared sensor and a moisture exhaust air port; a control switch, a frequency converter and the like are arranged in the electric cabinet; and a box door is arranged on the microwave heating cavity.
Furthermore, the dehumidification tuber pipe system includes pipe and suction fan, the interface of pipe is located microwave heating cavity's chamber door just offside, the pipe is worn out the electric cabinet and is upwards discharged, and the discharge port collects and connects the suction fan, the pipe is square mouthful, turns into the pipe through reducing bending.
Furthermore, a PLC control system is arranged in the center console, and a suction fan signal, an infrared temperature measurement signal, a magnetron control signal, a transmission motor signal and an electric deviation prevention and correction system signal are collected through the PLC control system, so that the functions of temperature control, transmission speed control, transmission deviation correction and humidity removal control are realized.
The application method of the formaldehyde-removing carbon cotton modification production device is characterized by comprising the following steps: 1) placing an active material liquid box on an electronic scale, weighing and peeling, pouring the prepared formaldehyde-removing active liquid into the active material liquid box, ensuring the continuous operation of the device, and manually supplementing materials when the reading of the electronic scale reaches 10 percent of the initial value; 2) switching on a power supply of the equipment, starting a central control cabinet, setting microwave heating temperature, starting a microwave drying system, setting a transmission speed, starting a transmission mesh belt and starting a dehumidifying fan; 3) starting an air supply system of the air compressor, and adjusting to proper air supply pressure and flow; 4) manually stacking or rolling carbon cotton and feeding the carbon cotton to a conveying net belt; 5) setting a metering pump, starting a metering pump in a flow mode, starting a spraying system, uniformly spraying the formaldehyde-removing active liquid on the carbon cotton in the conveying process, and collecting and recycling the liquid sprayed and leaked through the mesh belt by a spraying liquid receiving box; 6) spraying carbon cotton, conveying the carbon cotton into a microwave drying box, and feeding back the power of a magnetron by an infrared temperature measurement signal through a central control cabinet to automatically control the power of the magnetron so as to achieve microwave constant temperature and rapid dehumidification and prepare a finished product of the formaldehyde-removing modified carbon cotton; 7) the device is shut down, carbon cotton feeding is stopped, a metering pump power supply, an electronic scale power supply, a feed liquid spraying system valve, an air compressor air supply system power supply and valve, microwave magnetron output, a mesh belt conveying system and a dehumidifying fan are sequentially closed, finally a central console power supply is closed, and survivability liquid in a spraying liquid receiving box and an active feed liquid box is taken out and barreled for next use.
After adopting the structure, the invention has the beneficial effects that:
the modified carbon cotton finished product prepared by the method has high formaldehyde removal efficiency, uniform color and no white spots, can be used only by cutting, saves the cost of forming and packaging powder materials and granular materials, and has no risk of dust release; the formaldehyde removal active liquid adopts compound amino acid functional liquid, has the characteristics of no odor, no color, safety and high efficiency, and does not have the risk of releasing peculiar smells such as ammonia gas and the like; compared with the traditional impregnation and blast drying process, the method has the characteristics of energy conservation, high efficiency, environmental protection and no three-waste discharge in the preparation process; the device can be used for spray coating modification of carbon cotton and can also be used for modified continuous production of non-metallic materials and modules.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the connection of the spraying system and the gas supply system of the present invention;
FIG. 5 is a schematic structural view of a showerhead assembly of the present invention.
Description of reference numerals:
the system comprises a conveying mesh belt system 1, a main driving wheel 11, a power frame 12, an auxiliary driving wheel 13, an electric anti-deviation system 14, a bogie 15, a conveying mesh belt 16, a conveying roller 17, a central control table 2, an active liquid tank 3, an electronic scale 4, a metering pump 5, a spraying system 6, a spray head assembly 61, a spray head assembly 62, a spraying liquid receiving tank 7, an air compressor air supply system 8, an air compressor 81, a compressed air pipeline 82, a microwave drying system 9, a magnetron installation box 91, an electric cabinet 92, a microwave heating cavity 93, a microwave suppressor 94, a wet exhaust air pipe system 10 and a round pipe 101.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-5, a formaldehyde-removing carbon cotton modification production device comprises a conveying mesh belt system 1 and a central control platform 2, wherein an input end of the conveying mesh belt system 1 is respectively provided with an active liquid tank 3, an electronic scale 4, a metering pump 5, a spraying system 6, a spraying liquid receiving tank 7 and an air compressor air supply system 8, the active liquid tank 3 is arranged on the electronic scale 4, a liquid inlet pipe of the metering pump 5 is inserted into the active liquid tank 3, the metering pump 5 is fixed beside the active liquid tank 3, the spraying system 6 is arranged above the conveying mesh belt system 1 and is connected with a liquid outlet pipe of the metering pump 5, the spraying liquid receiving tank 7 is positioned under the spraying system 6, and the air compressor air supply system 8 is connected with the spraying system 6 through a compressed air pipeline; the middle part of the transmission mesh belt system 1 is provided with a microwave drying system 9, and the microwave drying system 9 is provided with a moisture exhaust air pipe system 10; the center console 2 is electrically connected with each component.
Specifically, the active liquid tank 3 is a stainless steel or plastic square tank with a volume of 150L and 250L and is used for containing formaldehyde removal active liquid, and the lower part of the tank wall is provided with a discharge switch valve.
Specifically, the measuring range of the electronic scale 4 is 0-300kg, and the measuring precision is 0.5 g; the metering pump 5 is a plunger type, and a liquid outlet can bear the pressure of 3MPa, and the measuring range is 0-1000 mL/min.
Specifically, the conveying mesh belt system 1 mainly comprises a power frame 12 provided with a main driving wheel 11 and a motor, a bogie 15 provided with an auxiliary driving wheel 13 and an electric deviation preventing system 14, a conveying mesh belt 16 and conveying rollers 17, wherein the conveying mesh belt 16 and the conveying rollers 17 are made of Teflon materials.
Specifically, the spraying system 6 comprises a spray head assembly 61 and a spray head fixing frame 62, the spray head assembly 61 is fixed on the conveying mesh belt system 1 through the spray head fixing frame 62, and the spray head assembly 62 is connected with a liquid outlet pipe of the metering pump 5.
Specifically, the air compressor air supply system 8 mainly comprises an air compressor 81 and a compressed air pipeline 82, the air compressor 81 is provided with a flow meter and a pressure reducing valve, the air supply pressure of the compressed air can be stabilized at 0.4-0.6MPa, the air supply amount is adjustable at 0-20L/min, and a base of the air compressor is fixed in the bogie 15 in a damping mode through a rubber gasket.
Specifically, the microwave drying system 9 includes a magnetron mounting box 91, an electric cabinet 92, a microwave heating cavity 93 and a microwave suppressor 94, the microwave heating cavity 93 is located below the magnetron mounting box 91, and the microwave suppressor 94 is respectively located at an inlet and an outlet of the microwave heating cavity 93; an air-cooled magnetron, an air-cooled fan, a box body, a box cover, a connecting wire, a low-temperature infrared sensor and a moisture exhaust air port are arranged in the magnetron mounting box body 91; a control switch, a frequency converter and the like are arranged in the electric cabinet; a door is arranged on the microwave heating cavity 93.
Specifically, the dehumidifying air duct system 10 includes a circular duct 101 and a suction fan (not shown in the figure), the interface of the circular duct 101 is located on the opposite side of the door of the microwave heating cavity 93, the circular duct 101 penetrates out of the electric cabinet and is discharged upwards, the discharge port is collected and connected with the suction fan, the circular duct is a square port, and the circular duct is turned into a circular duct through reducing bending.
Specifically, a PLC control system is arranged in the center console, and a suction fan signal, an infrared temperature measurement signal, a magnetron control signal, a transmission motor signal and an electric deviation prevention and correction system signal are collected through the PLC control system, so that the functions of temperature control, transmission speed control, transmission deviation correction and humidity discharge control are realized.
The use method of the formaldehyde-removing carbon cotton modification production device comprises the following steps: 1) placing an active material liquid box on an electronic scale, weighing and peeling, pouring the prepared formaldehyde-removing active liquid into the active material liquid box, ensuring the continuous operation of the device, and manually supplementing materials when the reading of the electronic scale reaches 10 percent of the initial value; 2) switching on a power supply of the equipment, starting a central control cabinet, setting microwave heating temperature, starting a microwave drying system, setting a transmission speed, starting a transmission mesh belt and starting a dehumidifying fan; 3) starting an air supply system of the air compressor, and adjusting to proper air supply pressure and flow; 4) manually stacking or rolling carbon cotton and feeding the carbon cotton to a conveying net belt; 5) setting a metering pump, starting a metering pump in a flow mode, starting a spraying system, uniformly spraying the formaldehyde-removing active liquid on the carbon cotton in the conveying process, and collecting and recycling the liquid sprayed and leaked through the mesh belt by a spraying liquid receiving box; 6) spraying carbon cotton, conveying the carbon cotton into a microwave drying box, and feeding back the power of a magnetron by an infrared temperature measurement signal through a central control cabinet to automatically control the power of the magnetron so as to achieve microwave constant temperature and rapid dehumidification and prepare a finished product of the formaldehyde-removing modified carbon cotton; 7) the device is shut down, carbon cotton feeding is stopped, a metering pump power supply, an electronic scale power supply, a feed liquid spraying system valve, an air compressor air supply system power supply and valve, microwave magnetron output, a mesh belt conveying system and a dehumidifying fan are sequentially closed, finally a central console power supply is closed, and survivability liquid in a spraying liquid receiving box and an active feed liquid box is taken out and barreled for next use.
The following is a detailed description by way of specific examples:
example 1
The specific operation is as follows:
1) placing the active material liquid box on an electronic scale, starting the electronic scale, weighing, peeling, and pouring 50L of the prepared formaldehyde-removing active liquid (composite amino acid functional liquid with solid content of 9-10 wt%) into a 150L active liquid box;
2) switching on the power supply of the equipment, starting the central control cabinet: setting the microwave heating temperature to 105 ℃, and starting microwave equipment; setting the transmission speed to be 50cm/min, starting a transmission mesh belt and starting a dehumidifying fan;
3) starting an air supply system of an air compressor, and adjusting the air supply pressure to be 0.4MPa and the flow to be 0.85L/min;
4) manually stacking square carbon cotton single layers with the width of 50cm, the length of 100cm and the thickness of 0.5cm to a conveying mesh belt;
5) setting the flow of a metering pump at 42.5mL/min, starting a metering pump and a spraying system, uniformly spraying the formaldehyde-removing active liquid on the carbon cotton in the conveying process, and collecting the liquid sprayed and leaked through a mesh belt by a 150L spraying liquid receiving box;
6) the sprayed carbon cotton is transmitted into a microwave heating cavity, and the power of a magnetron is automatically controlled by the central control cabinet through infrared temperature measurement signal feedback, so that the microwave constant temperature and rapid dehumidification are achieved, and the finished product of the formaldehyde-removing modified carbon cotton is prepared, and is uniform in color and free of white spots.
The parameters provided by the embodiment can modify 585 square carbon cotton sheets with width of more than 50cm and length of 100cm, the amount of the collected liquid in the spray liquid receiving box 18 is only about 20mL, and the production time is about 20 h.
Cutting the modified square carbon cotton into pieces of 363 × 275 × 5mm, and placing in an air purifier with air volume of 300m3H, air inlet speed of 1.5m/s, at 30m3The initial formaldehyde concentration is 1.03mg/m by testing in a national standard purification bin3At 25 deg.C and 56% RH humidity, the concentration in the room is reduced to 0.04mg/m in 25min3The formaldehyde removal rate can reach 96.1%.
Example 2
The specific operation is as follows:
1) placing the active material liquid box on an electronic scale, starting the electronic scale, weighing, peeling, and pouring 50L of the prepared formaldehyde-removing active liquid (composite amino acid functional liquid with solid content of 9-10 wt%) into a 150L active liquid box;
2) switching on the power supply of the equipment, starting the central control cabinet: setting the microwave heating temperature to 95 ℃, and starting microwave equipment; setting the transmission speed to be 100cm/min, starting a transmission mesh belt and starting a dehumidifying fan;
3) starting an air supply system of an air compressor, and adjusting the air supply pressure to be 0.6MPa and the flow to be 2.8L/min;
4) the carbon cotton roll stack feeder with the width of 50cm and the thickness of 0.5cm is sent to the conveying mesh belt in a single layer manner;
5) setting the flow of a metering pump at 142mL/min, starting a metering pump and a spraying system, uniformly spraying the formaldehyde-removing active liquid on the carbon cotton in the conveying process, and collecting the liquid sprayed and leaked through a mesh belt by a 150L spraying liquid receiving box;
6) the sprayed carbon cotton is transmitted into a microwave heating cavity, and the power of a magnetron is automatically controlled by the central control cabinet through infrared temperature measurement signal feedback, so that the microwave constant temperature and rapid dehumidification are achieved, and the finished product of the formaldehyde-removing modified carbon cotton is prepared, and is uniform in color and free of white spots.
The parameters provided by the embodiment can modify carbon cotton with more than 350m and width of 50cm, the amount of liquid collected in the spray liquid receiving box is only about 55mL, and the production takes about 6 hours.
Cutting the modified carbon cotton into pieces of 363 × 275 × 5mm, placing in an air purifier with air volume of 300m3H, air inlet speed of 1.5m/s, at 30m3The initial formaldehyde concentration is 1.01mg/m by testing in a national standard purification bin3At 26 deg.C and 85% RH humidity, the concentration in 20min room is reduced to 0.03mg/m3The formaldehyde removal rate was 97.0%.
Comparative example 1
Comparative example 1 is a dipping and blast drying process, specifically operating as follows:
taking 80 square carbon cotton sheets (the total height is 40cm) with the width of 50cm, the length of 100cm and the thickness of 0.5cm, stacking the carbon cotton sheets into a square plastic box with the length of 100cm, the width of 50cm and the height of 50 cm;
pouring 150L of prepared formaldehyde-removing active liquid (composite amino acid functional liquid with solid content of 5-9 wt%) into carbon cotton in a box, properly shaking after pouring, standing and soaking for 2 h;
taking an empty square plastic box with the length of 100cm, the width of 50cm and the height of 50cm, placing a stainless steel net with the length of 120cm and the width of 80cm on the upper part, fishing out square carbon cotton, placing the square carbon cotton on the stainless steel net, and standing at room temperature for 2h to remove residual liquid;
and (3) dividing the aired carbon cotton into 8 pieces and 1 layer, placing the pieces in an industrial air-blast drying oven (10 layers in total), setting the drying temperature to be 105 ℃, and drying for 24 hours to obtain the modified carbon cotton.
The modified carbon cotton prepared by the method has a large number of white spots on the surface, the modification time of 80 pieces exceeds 28 hours, and the residual liquid is dried and collected to be 120L. If 585 pieces of carbon cotton as in modified example 1 are to be produced, active liquid 1096L is prepared within 28h according to the method listed in comparative example 1; 15 square plastic boxes (100 cm in length, 50cm in width and 50cm in height) for operation and 15 industrial air-blast drying boxes; the raffinate will also reach 877L.
Cutting the modified carbon cotton into pieces of 363 × 275 × 5mm, placing in an air purifier with air volume of 300m3H, air inlet speed of 1.5m/s, at 30m3The initial formaldehyde concentration is 0.98mg/m by testing in a national standard purification bin3At 24 deg.C and 55% RH humidity, the concentration in the room is reduced to 0.05mg/m within 30min3The formaldehyde removal rate can reach 94.9%.
Comparative example 2
Comparative example 2 is a manual spraying + drying in the shade + forced air drying process, the specific operation is as follows:
1) taking 80 square carbon cotton sheets with the width of 50cm, the length of 100cm and the thickness of 0.5 cm;
2) putting a liquid inlet pipe of a manual pneumatic spray gun into a charging bucket filled with 50L of formaldehyde-removing active liquid (composite amino acid functional liquid, solid content is 9-10 wt%);
3) starting a pneumatic spray gun, wherein the spraying time of each piece of carbon cotton is about 2min, and the spraying amount of each piece of carbon cotton is about 80-90 mL;
4) placing the sprayed square carbon cotton on a stainless steel net, standing and airing at room temperature for 24 hours;
5) and (3) dividing the aired carbon cotton into 8 pieces and 1 layer, placing the pieces in an industrial air-blast drying box (10 layers in total), setting the drying temperature to be 105 ℃, and drying for 6 hours to obtain the modified carbon cotton.
The modified carbon cotton prepared by the method has partial white spots, the time for modifying 80 pieces exceeds 30 hours, and the residual active liquid is about 42L. When 585 pieces of carbon cotton as in modified example 1 were produced, the process of comparative example 2 required at least 30 hours or more and 15 industrial air drying chambers were required.
Cutting the modified carbon cotton into pieces of 363 × 275 × 5mm, placing in an air purifier with air volume of 300m3H, air inlet speed of 1.5m/s, at 30m3The initial formaldehyde concentration is 0.99mg/m by testing in a national standard purification bin3At 24 deg.C and 55% RH humidity, the concentration in the room is reduced to 0.06mg/m in 25min3The formaldehyde removal rate can reach 93.9%.
In conclusion, the formaldehyde removal efficiency can be obviously improved, and is higher than that of the traditional equipment; the finished product prepared by the method has high formaldehyde removal efficiency, uniform color and no white spots, has low energy consumption, short time, strong controllability and no pollution in the production process compared with the traditional impregnation and blast drying process, and not only can be used for removing formaldehyde liquid spraying modification of carbon cotton, but also can be used for continuous spraying modification of non-metallic material materials and modules.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a remove modified apparatus for producing of formaldehyde carbon cotton, includes conveying net belt system and central console, its characterized in that: the input end of the conveying mesh belt system is respectively provided with an active liquid box, an electronic scale, a metering pump, a spraying system, a spraying liquid receiving box and an air compressor air supply system, the active liquid box is arranged on the electronic scale, a liquid inlet pipe of the metering pump is inserted into the active liquid box, the metering pump is fixed beside the active liquid box, the spraying system is arranged above the conveying mesh belt system and is connected with a liquid outlet pipe of the metering pump, the spraying liquid receiving box is positioned right below the spraying system, and the air compressor air supply system is connected with the spraying system through a compressed air pipeline; the middle part of the transmission mesh belt system is provided with a microwave drying system, and the microwave drying system is provided with a moisture exhaust air pipe system; the center console is electrically connected with each part respectively.
2. The formaldehyde-removing carbon cotton modification production device according to claim 1, which is characterized in that: the active liquid tank is a stainless steel or plastic square tank, the volume of the active liquid tank is 150-250L, the active liquid tank is used for containing formaldehyde removal active liquid, and the lower part of the tank wall is provided with a discharge switch valve.
3. The formaldehyde-removing carbon cotton modification production device according to claim 1, which is characterized in that: the measuring range of the electronic scale is 0-300kg, and the measuring precision is 0.5 g; the metering pump is of a plunger type, a liquid outlet can bear 3MPa of pressure, and the measuring range is 0-1000 mL/min.
4. The formaldehyde-removing carbon cotton modification production device according to claim 1, which is characterized in that: the conveying mesh belt system mainly comprises a main driving wheel, a motor power frame, a bogie provided with an auxiliary driving wheel and an electric anti-deviation system, a conveying mesh belt and conveying rollers, wherein the conveying mesh belt and the conveying rollers are made of Teflon materials.
5. The formaldehyde-removing carbon cotton modification production device according to claim 1, which is characterized in that: the spraying system comprises a spray head assembly and a spray head fixing frame, the spray head assembly is fixed on the conveying net belt system through the spray head fixing frame, and the spray head assembly is connected with a liquid outlet pipe of the metering pump.
6. The formaldehyde-removing carbon cotton modification production device according to claim 1 or 4, characterized in that: the air supply system of the air compressor mainly comprises the air compressor and a compressed air pipeline, the air compressor is provided with a flow meter and a pressure reducing valve, the air supply pressure of the compressed air can be stabilized at 0.4-0.6MPa, the air supply quantity is adjustable at 0-20L/min, and the base of the air compressor is fixed in the bogie in a damping mode through a rubber gasket.
7. The formaldehyde-removing carbon cotton modification production device according to claim 1, which is characterized in that: the microwave drying system comprises a magnetron mounting box body, an electric cabinet, a microwave heating cavity and microwave suppressors, wherein the microwave heating cavity is positioned below the magnetron mounting box body, and the microwave suppressors are respectively positioned at an inlet and an outlet of the microwave heating cavity; the magnetron mounting box is internally provided with an air-cooled magnetron, an air-cooled fan, a box body, a box cover, a connecting wire, a low-temperature infrared sensor and a moisture exhaust air port; a control switch, a frequency converter and the like are arranged in the electric cabinet; and a box door is arranged on the microwave heating cavity.
8. The formaldehyde-removing carbon cotton modification production device according to claim 1 or 7, characterized in that: the dehumidifying air pipe system comprises a round pipe and a suction fan, wherein a connector of the round pipe is positioned on the right opposite side of a box door of the microwave heating cavity, the round pipe penetrates out of the electric cabinet to be discharged upwards, a discharge port is collected and connected with the suction fan, and the round pipe is a square port and is turned into the round pipe through reducing and bending.
9. The formaldehyde-removing carbon cotton modification production device according to any one of claims 1 to 9, characterized in that: the central console is internally provided with a PLC control system, and collects a suction fan signal, an infrared temperature measurement signal, a magnetron control signal, a transmission motor signal and an electric deviation prevention and correction system signal through the PLC control system, and realizes the functions of temperature control, transmission speed control, transmission deviation correction and humidity discharge control.
10. The use method of the formaldehyde-removing carbon cotton modification production device according to claim 1 is characterized by comprising the following steps: 1) placing an active material liquid box on an electronic scale, weighing and peeling, pouring the prepared formaldehyde-removing active liquid into the active material liquid box, ensuring the continuous operation of the device, and manually supplementing materials when the reading of the electronic scale reaches 10 percent of the initial value; 2) switching on a power supply of the equipment, starting a central control cabinet, setting microwave heating temperature, starting a microwave drying system, setting a transmission speed, starting a transmission mesh belt and starting a dehumidifying fan; 3) starting an air supply system of the air compressor, and adjusting to proper air supply pressure and flow; 4) manually stacking or rolling carbon cotton and feeding the carbon cotton to a conveying net belt; 5) setting a metering pump, starting a metering pump in a flow mode, starting a spraying system, uniformly spraying the formaldehyde-removing active liquid on the carbon cotton in the conveying process, and collecting and recycling the liquid sprayed and leaked through the mesh belt by a spraying liquid receiving box; 6) spraying carbon cotton, conveying the carbon cotton into a microwave drying box, and feeding back the power of a magnetron by an infrared temperature measurement signal through a central control cabinet to automatically control the power of the magnetron so as to achieve microwave constant temperature and rapid dehumidification and prepare a finished product of the formaldehyde-removing modified carbon cotton; 7) the device is shut down, carbon cotton feeding is stopped, a metering pump power supply, an electronic scale power supply, a feed liquid spraying system valve, an air compressor air supply system power supply and valve, microwave magnetron output, a mesh belt conveying system and a dehumidifying fan are sequentially closed, finally a central console power supply is closed, and survivability liquid in a spraying liquid receiving box and an active feed liquid box is taken out and barreled for next use.
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Application publication date: 20200424 |