CN109176790A - A kind of efficiency light hot water and steam method for transformation based on timber - Google Patents

A kind of efficiency light hot water and steam method for transformation based on timber Download PDF

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Publication number
CN109176790A
CN109176790A CN201811225245.9A CN201811225245A CN109176790A CN 109176790 A CN109176790 A CN 109176790A CN 201811225245 A CN201811225245 A CN 201811225245A CN 109176790 A CN109176790 A CN 109176790A
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China
Prior art keywords
solution
timber
deionized water
room temperature
takes
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Pending
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CN201811225245.9A
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Chinese (zh)
Inventor
黄玮
曹阳
涂进春
张可喜
王小红
王洁琼
丁雷
陈德伦
胡高月
田程
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Hainan University
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Hainan University
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Priority to CN201811225245.9A priority Critical patent/CN109176790A/en
Publication of CN109176790A publication Critical patent/CN109176790A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/32—Mixtures of different inorganic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
    • B27K5/0065—Ultrasonic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation

Abstract

The invention discloses a kind of efficiency light hot water and steam method for transformation based on timber, is cut into rectangular wooden unit along vertical-growth direction for natural timber, cleans aperture using sulfuric acid, hydrochloric acid, sodium peroxydisulfate, acetone soln；It takes a certain amount of pyrrole monomer solution to be dissolved in deionized water, is stirred at room temperature and uniformly obtains solution A；It takes a certain amount of sodium peroxydisulfate and a small amount of concentrated hydrochloric acid and deionized water to mix, is uniformly mixing to obtain B solution；The timber cut is soaked in solution A, taking-up room temperature is dried after vacuumizing soaked overnight；The wooden unit for being adsorbed with pyrrole monomer in previous step is slowly put into oxidized overnight in B solution, is then transferred to ultrasound a period of time in deionized water.The beneficial effects of the invention are as follows the photothermal conversion efficiency of converting material height, and manufacturing cost is cheap.

Description

A kind of efficiency light hot water and steam method for transformation based on timber
Technical field
The invention belongs to field of sea water desalting technology, are related to a kind of light-based on timber for solar seawater desalination Heat-steam converting material and preparation method thereof.
Background technique
Recently as the growth of social population, how freshwater resources occupancy volume sharp fall, obtained a large amount of per capita Fresh water is increasingly becoming a letter hot issue to be solved.However in current industrial application, pass through the modes heat production such as fire coal Heating seems not-so-practical equipped with the method that the steam engine of seawater generates vapor, because of the air pollution that the burning of coal generates And energy-output ratio is away from each other with increasingly energy-saving and environment-friendly industrial development pattern instantly.The method of Driven by Solar Energy water evaporation without It doubts and provides a promising key point to solve this problem.
It evaporation of seawater can be carried out by using the sun prepares the device of fresh water and be suggested very early, most original seawater Desalting plant needs to be equipped with reflecting mirror and evaporating column.Sunlight is collected at an angle and is reflected into dress by reflecting mirror Have in the turret of seawater, seawater is heated to generate vapor, and fresh water is formed after further condensing.But it is this kind of old Formula device collects sunlight due to needing a large amount of reflecting mirror, not only needs to expend great amount of cost and purchases mirror surface, and needs very Place the device in big space.It is noted that the solar conversion efficiency of this kind of device is extremely low, most important reason Be mirror surface collect sunlight project turret it is External reforming at thermal energy when result in a large amount of thermal losses.Although this kind of dress The practicability set is lower, but the device of these most originals is to prepare the completely new of fresh water using solar energy we provide one Direction.
Shortage of fresh water is solved the problems, such as, since the transformation efficiency of old-fashioned solar energy heat conversion device and huge Installation cost does not obviously meet demand, then simplifying the framework of its water evaporation and finding efficient coating material seems more and more heavier It wants.Over time, initial heat collector has carried out a series of improvement and development, is such as improved to heat collector very Blank pipe, or enhance the absorptivity of solar energy, overlay coating material on the surface of vacuum tube by adding coloured coating material The development of material also experienced from the non-selective pitch-dark course to selective metal oxide coating.How further to mention The efficiency of high solar photothermal conversion focuses on how keeping being reduced as far as while collecting solar energy to the maximum extent Its convection current and radiation bring thermal loss.And in recent years scientist imagine by plasma material apply to high efficiency drive water steam In the device of hair, by the plasma oscillation effect of plasma material, the solar radiation being projected on the coating is maximum It acquires and absorbs to limit, and transform into thermal energy and be transmitted in seawater and then form vapor.This kind of novel solar energy drives Dynamic vapor generation system is referred to as Plasmonic solar-driven steam generation system (referred to as PAAG system), PSSG system can only be rapidly performed by water evaporation under a small amount of illumination, and vapor is detached from after liquid phase through receiving Pure distilled water can be obtained in collection, can effectively separate salinity and moisture.The novel system is by old-fashioned thermal-arrest Device and thermally conductive vaporising device are gathered, and the loss of heat is reduced, and are had been achieved at present based on the systematic research Part effect.
Current PSSG system can be divided into two classes, and one kind is suspension system (suspending solar-driven steam Generation system), it is to be distributed plasma material particle such as gold in water to silver-colored little particle Direct Uniform；Separately Outer one kind is floating system (floating solar-driven steam generation system) i.e. plasma material point Cloth is on the interface of liquid and gas.Based on suspension system, Halas et al. is proposed using SiO2Au core-shell structure is as light The device of heat conversion layer (1Sun=1000W m under the intensity of illumination of a sun-2) only obtain 24% efficiency, then In 35.36Wm in the nanogold and polystyrene mixed system that Deng et al. is proposed-258.9% has been increased under intensity of illumination Efficiency.In floating system, the anodic alumina films of plasma noble metal granule (gold, platinum etc.) modification of Zhu et al. preparation Up to 90% efficiency is obtained under a sunlight intensity of illumination.
However, these photo-thermal steam transforming system has that there are certain deficiencies earlier, most importantly these sides Method requires greatly based on specific artificial synthesized base material (such as: anodic alumina films, aerosil etc.) load etc. Gas ions noble metal (gold, platinum etc.) particle, preparation process is complicated and cost is sufficiently expensive, it is difficult to it prepares on a large scale, it is serious to limit It has been made to be widely used.Therefore, how cheap, preparing a kind of efficiency light thermal conversion system on a large scale, to become mesh previous Important research direction.
Summary of the invention
The purpose of the present invention is to provide a kind of efficiency light hot water and steam method for transformation based on timber, of the invention is beneficial Effect is that the photothermal conversion efficiency of converting material is high, and manufacturing cost is cheap.
The technical scheme adopted by the invention is that following the steps below:
(1) natural timber is cut into rectangular wooden unit along vertical-growth direction by, using sulfuric acid, hydrochloric acid, sodium peroxydisulfate, acetone Solution cleans aperture；
(2) takes a certain amount of pyrrole monomer solution to be dissolved in deionized water, is stirred at room temperature and uniformly obtains solution A；
(3) takes a certain amount of sodium peroxydisulfate and a small amount of concentrated hydrochloric acid and deionized water to mix, and is uniformly mixing to obtain B solution；
(4) timber cut is soaked in solution A by, and taking-up room temperature is dried after vacuumizing soaked overnight；
(5) wooden unit that pyrrole monomer is adsorbed in previous step is slowly put into oxidized overnight in B solution by, is then transferred to Ultrasound a period of time in deionized water；
(6) repeats above-mentioned (2)~(5) process three times.
Further,
(1) natural timber is cut into the rectangular wooden unit of 3cm × 3cm × 1cm along vertical-growth direction by, using sulfuric acid 1mol/ L), hydrochloric acid 1mol/L, sodium peroxydisulfate 2mol/L, acetone 200mL solution clean aperture；
(2) takes 5mL pyrrole monomer solution to be dissolved in 50mL deionized water, is stirred at room temperature and uniformly obtains solution A；
(3) takes 2g sodium peroxydisulfate and 5mL concentrated hydrochloric acid and 50mL deionized water to mix, and is uniformly mixing to obtain B solution；
(4) timber cut is soaked in solution A by, is taken out room temperature after vacuumizing immersion 24 hours and is dried；
(5) wooden unit that pyrrole monomer is adsorbed in previous step is slowly put into B solution and aoxidizes 24 hours by, then shifts The ultrasonic half an hour into deionized water；
(6) repeats above-mentioned (2)~(5) process three times.
Detailed description of the invention
Fig. 1 is the Driven by Solar Energy sea water evaporator working principle diagram that the present invention makes；
Fig. 2 is that polypyrrole wood top scanning electron microscope (SEM) photograph shows that it is classified cellular structure；
Fig. 3 is the surface sweeping electron microscope of pipe surface uniform load polypyrrole particle in wood；
Fig. 4 is that vapor of the polypyrrole wood under certain light intensity generates optical picture.
Specific embodiment
The present invention is described in detail With reference to embodiment.Fig. 1 is the Driven by Solar Energy that the present invention makes Sea water evaporator working principle diagram.
Steps are as follows for the method for the present invention:
(1) natural timber is cut into the rectangular wooden unit of 3cm × 3cm × 1cm along vertical-growth direction by, using sulfuric acid (1mol/ L), the solution such as hydrochloric acid (1mol/L), sodium peroxydisulfate (2mol/L), acetone (200mL) clean aperture.
(2) takes 5mL pyrrole monomer solution to be dissolved in 50mL deionized water, is stirred at room temperature and uniformly obtains solution A.
(3) takes 2g sodium peroxydisulfate and 5mL concentrated hydrochloric acid and 50mL deionized water to mix, and is uniformly mixing to obtain B solution.
(4) timber cut is soaked in solution A by, is taken out room temperature after vacuumizing immersion 24 hours and is dried.
(5) wooden unit that pyrrole monomer is adsorbed in previous step is slowly put into B solution and aoxidizes 24 hours by, then shifts The ultrasonic half an hour into deionized water.
(6) repeats above-mentioned (2)~(5) process can be obtained required " polypyrrole-timber " three times.
Figure it is seen that not will lead to the blocking in timber duct itself using preparation method of the present invention, and poly- Pyrroles's light absorbing layer can uniformly be loaded (Fig. 3) on the pipeline configuration surface of timber.
Gained polypyrrole wood device is placed in seawater surface, quick water as shown in Figure 4 can be achieved under certain light intensity Steam generates, and sufficiently proves effectiveness of the invention and practicability.Three-dimensional porous array of the method based on timber, ingenious utilization Interaction of hydrogen bond between wood-cellulose and polypyrrole turns to obtain photo-thermal water vapour efficient, inexpensive, that performance is stable Change material.It is device substrate material, low in cost, microcosmic tube array and hierarchical porous structure that the present invention, which chooses natural timber, Not only it can be used as seawater transport channel but also can be used as light trapping and realized optical capturing effect, to absorb the sun to the greatest extent Light.In addition, the heat-insulating property of timber itself guarantees that obtained device has preferable thermal control and heat management performance again.Present invention choosing Taking polypyrrole is light absorbing medium, and low in cost, absorbing properties are outstanding.And in-situ polymerization process makes it possible in timber Uniform load on array structure retains the porous structure of timber itself, realizes collaboration photo-thermal Steam Reforming enhancing.
It is also an advantage of the present invention that:
(1) is complicated and poor resistance artificial synthesized porous instead of traditional preparation process using porous natural timber Membrane material, such as anodic alumina films.
(2) for using low in cost, light absorpting ability is strong, and the polypyrrole material of photothermal conversion efficiency substitute it is traditional etc. Gas ions noble metal granule, such as: gold, platinum greatly reduce element manufacturing cost and improve as light absorption and transition material Device stability.
(3) present invention gained solar energy sea water evaporation material efficiency is high, and is driven by electricity without any, and cost performance is high.
(4) preparation flow of the present invention is simply easily promoted, large scale preparation easy to accomplish.
The above is only not to make limit in any form to the present invention to better embodiment of the invention System, any simple modification that embodiment of above is made according to the technical essence of the invention, equivalent variations and modification, Belong in the range of technical solution of the present invention.

Claims (2)

1. a kind of efficiency light hot water and steam method for transformation based on timber, it is characterised in that follow the steps below:
(1) natural timber is cut into rectangular wooden unit along vertical-growth direction by, using sulfuric acid, hydrochloric acid, sodium peroxydisulfate, acetone soln Clean aperture；
(2) takes a certain amount of pyrrole monomer solution to be dissolved in deionized water, is stirred at room temperature and uniformly obtains solution A；
(3) takes a certain amount of sodium peroxydisulfate and a small amount of concentrated hydrochloric acid and deionized water to mix, and is uniformly mixing to obtain B solution；
(4) timber cut is soaked in solution A by, and taking-up room temperature is dried after vacuumizing soaked overnight；
(5) wooden unit that pyrrole monomer is adsorbed in previous step is slowly put into oxidized overnight in B solution by, be then transferred to from Ultrasound a period of time in sub- water；
(6) repeats above-mentioned (2)~(5) process three times.
2. according to a kind of efficiency light hot water and steam method for transformation based on timber described in claim 1, it is characterised in that: described
(1) natural timber is cut into the rectangular wooden unit of 3cm × 3cm × 1cm along vertical-growth direction by, using sulfuric acid 1mol/L), salt Sour 1mol/L, sodium peroxydisulfate 2mol/L, acetone 200mL solution clean aperture；
(2) takes 5mL pyrrole monomer solution to be dissolved in 50mL deionized water, is stirred at room temperature and uniformly obtains solution A；
(3) takes 2g sodium peroxydisulfate and 5mL concentrated hydrochloric acid and 50mL deionized water to mix, and is uniformly mixing to obtain B solution；
(4) timber cut is soaked in solution A by, is taken out room temperature after vacuumizing immersion 24 hours and is dried；
(5) wooden unit that pyrrole monomer is adsorbed in previous step is slowly put into B solution and aoxidizes 24 hours by, is then transferred to Ultrasonic half an hour in ionized water；
(6) repeats above-mentioned (2)~(5) process three times.
CN201811225245.9A 2018-10-20 2018-10-20 A kind of efficiency light hot water and steam method for transformation based on timber Pending CN109176790A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110917898A (en) * 2019-11-22 2020-03-27 西安理工大学 Preparation method of photothermal conversion ceramic membrane and method for treating refractory wastewater
CN113977722A (en) * 2021-10-28 2022-01-28 北华大学 Preparation method of Janus type wood nano composite material with special wettability
CN114292434A (en) * 2022-01-26 2022-04-08 南京信息工程大学 Polypyrrole wood foam for treating solar landfill leachate and preparation method thereof
WO2022112992A1 (en) * 2020-11-25 2022-06-02 Houtindustrie "Mevo B.V." Method for treating wood and construction element

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JP4599762B2 (en) * 2001-05-01 2010-12-15 株式会社エス・ディー・エス バイオテック Antifouling method for wood
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CN107443823A (en) * 2017-08-11 2017-12-08 中国林业科学研究院林产化学工业研究所 A kind of forest and agricultural biomass base photothermal conversion materiat for water process, preparation method and applications
CN107487801A (en) * 2017-08-11 2017-12-19 桂林电子科技大学 A kind of preparation method for the porous charcoal piece for realizing the conversion of efficiency light vapours
CN108679865A (en) * 2018-03-22 2018-10-19 中国科学技术大学 The preparation method of two-dimentional conducting polymer sun absorber of light for solar energy water evaporation of vapours

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Publication number Priority date Publication date Assignee Title
JP4599762B2 (en) * 2001-05-01 2010-12-15 株式会社エス・ディー・エス バイオテック Antifouling method for wood
US20110261430A1 (en) * 2008-03-26 2011-10-27 Smr Patents S.A.R.L. Processes for producing electrochromic substrates and electrochromic articles made therefrom
CN105816877A (en) * 2015-01-04 2016-08-03 中国科学院大连化学物理研究所 Preparation method of nanoparticles with photothermal effect and application thereof
CN107443823A (en) * 2017-08-11 2017-12-08 中国林业科学研究院林产化学工业研究所 A kind of forest and agricultural biomass base photothermal conversion materiat for water process, preparation method and applications
CN107487801A (en) * 2017-08-11 2017-12-19 桂林电子科技大学 A kind of preparation method for the porous charcoal piece for realizing the conversion of efficiency light vapours
CN108679865A (en) * 2018-03-22 2018-10-19 中国科学技术大学 The preparation method of two-dimentional conducting polymer sun absorber of light for solar energy water evaporation of vapours

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110917898A (en) * 2019-11-22 2020-03-27 西安理工大学 Preparation method of photothermal conversion ceramic membrane and method for treating refractory wastewater
WO2022112992A1 (en) * 2020-11-25 2022-06-02 Houtindustrie "Mevo B.V." Method for treating wood and construction element
NL2026974B1 (en) * 2020-11-25 2022-07-04 Houtindustrie Mevo B V Method for treating wood and construction element
CN113977722A (en) * 2021-10-28 2022-01-28 北华大学 Preparation method of Janus type wood nano composite material with special wettability
CN114292434A (en) * 2022-01-26 2022-04-08 南京信息工程大学 Polypyrrole wood foam for treating solar landfill leachate and preparation method thereof

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Application publication date: 20190111