CN111993510A - In-situ anticorrosion method for wooden member ancient building - Google Patents
In-situ anticorrosion method for wooden member ancient building Download PDFInfo
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- CN111993510A CN111993510A CN202010915230.6A CN202010915230A CN111993510A CN 111993510 A CN111993510 A CN 111993510A CN 202010915230 A CN202010915230 A CN 202010915230A CN 111993510 A CN111993510 A CN 111993510A
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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
- B27K3/0228—Spraying apparatus, e.g. tunnels
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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
- B27K3/005—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microparticles
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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
- B27K3/0207—Pretreatment of wood before impregnation
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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
- B27K3/12—Impregnating by coating the surface of the wood with an impregnating paste
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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
- B27K3/16—Inorganic impregnating agents
- B27K3/22—Compounds of zinc or copper
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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
- B27K3/34—Organic impregnating agents
- B27K3/343—Heterocyclic compounds
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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
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic compounds
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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
- B27K3/34—Organic impregnating agents
- B27K3/38—Aromatic compounds
- B27K3/40—Aromatic compounds halogenated
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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
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
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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
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- 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
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
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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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
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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
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention aims to disclose an in-situ anticorrosion method for an ancient wooden member building, which can carry out anticorrosion work on the ancient wooden member building easily by the steps of reconnaissance, analysis, cleaning, fumigation, drying, biological anticorrosion, chemical anticorrosion and the like.
Description
Technical Field
The invention relates to the field of ancient buildings, in particular to an in-situ anticorrosion method for a wooden member ancient building.
Background
Ancient building decoration materials in China are mostly wood, and geographical positions and climatic characteristics of regions in south and the like cause high humidity in most of the whole year, and are influenced by natural factors, so that wood is easy to decay, mildew and moth, and wood components are damaged in different degrees and types. Such diseases are often important causes of maintenance and repair of ancient buildings.
Ancient buildings in China are poor in storage, and wood structures are rotten and damaged. A successful anticorrosion treatment can theoretically prolong the service life by 3-5 times at least. The external factors such as rain leakage or moisture in the long-term use of the building can cause the decay and the worm damage of the wood, and the long-term immunity of the wood is the fundamental guarantee for prolonging the life of the ancient building. Therefore, the preservation of wood structures is absolutely not an expedient measure. While the importance of the wood component preservative treatment in ancient architecture and repair is emphasized, the scientificity of the preservative treatment is emphasized, the quality of the preservative treatment is ensured, and the longevity of the wood structure of the ancient architecture can be ensured only if the qualified wood is preserved.
Traditional timber component ancient building's preserved handle, because the building has already been moulded, it is not as easy as just to timber to do anticorrosive work, because the building structure of ancient building has already been moulded, and has great historical culture value, the preserved handle to timber component ancient building is simply spraying anticorrosive material on the building, such anticorrosive mode, though can effectively prevent to lead to the condition that timber component rotten because external factors, but to timber component itself internal factor lead to rotten processing not enough in place, lead to the anticorrosive effect general.
Disclosure of Invention
The invention aims to provide an in-situ anticorrosion method for an ancient wood member building, which is simple to operate, and the anticorrosion material can effectively contact internal cells and internal wood fibers of the wood member, so that the service life of the ancient wood member building is effectively prolonged.
An in-situ anticorrosion method for an ancient wooden member building comprises the following steps:
s1: cleaning dust outdoors and indoors of the wooden member ancient building by using a brush, and then surveying basic information of the wooden member, including the moisture content, decay degree, worm damage degree, appearance damage degree and the type and quantity of fungus and insect of all wooden members such as columns, beams, doors and windows;
s2: according to the actual situation of the wood member, screening the wood member needing to be replaced and the wood member which does not need to be replaced but needs to be directly subjected to anticorrosion work;
s3: for wood components which do not need to be replaced but need to be directly subjected to anticorrosion work, mixed liquid of 10-50 parts by mass of ethanol solution, 2-30 parts by mass of 84 disinfectant and 5-25 parts by mass of iodophor is used as a cleaning agent to spray and clean the parts of the outdoor surface and the parts of the indoor surface of the wood components;
s4: carrying out fumigation and sterilization on the indoor surface part of the timber component ancient building by adopting bromomethane for carrying out thin film evaporation and high temperature shift cultivation at the temperature of 5-35 ℃ and carrying out fumigation and sterilization for 30-60 min and repeating for 3 times, wherein the bromomethane is obtained by carrying out thin film evaporation and high temperature shift cultivation at the position of 40-90 g/m for carrying out thin film evaporation and high temperature shift cultivation; carrying out fumigation sterilization on the outdoor surface part of the wooden member ancient building by adopting 200 g/m-800 g/m ethylene oxide for 5-10 hours, and repeating for 3 times;
s5: covering the wood member ancient building outdoor by using a plastic film, and then drying the outdoor surface part and the indoor surface part of the wood member ancient building by using an electric warm-air blower, wherein the drying temperature is between 41 and 50 ℃;
s6: smearing a biological anticorrosive paint on the wood component, and repeatedly smearing for 3-8 times after the wood component is naturally dried, wherein the biological anticorrosive paint comprises 10-30 parts of cinnamon extract, 25-60 parts of sequoia extract, 10-30 parts of balsam fir extract, 1-5 parts of wood vinegar and 3-15 parts of ethanol solution;
s7: and (2) spraying an anticorrosive coating on the wood member, wherein the anticorrosive coating comprises 3-10 parts by mass of copper oxide, 5-15 parts by mass of didecyl dimethyl ammonium chloride, 2-20 parts by mass of dodecyl benzyl dimethyl ammonium chloride and 10-30 parts by mass of chromated copper arsenate.
In the in-situ anticorrosion method for the wooden member ancient building, cleaning work is mainly to preliminarily play a role in sterilizing and disinfecting the surface of the wooden member; then, a fumigation method is used for killing stubborn bacteria and insects, so that the wood components are reduced to the maximum extent; the drying treatment of the building aims to reduce the water content of the wood component preliminarily, destroy the living environment of the wood component, and simultaneously can not influence the structure of the wood component, in addition, the breeding temperature of most wood rotting fungi is between 20 ℃ and 40 ℃, and the growth stops when the breeding temperature is higher than 40 ℃, the temperature used by the invention not only prevents the wood rotting fungi from breeding, but also prevents the wood from being burnt and even burnt at high temperature; the biological anticorrosive paint can permeate into the wood member and is firmly combined with the internal fiber of the wood, so that the biological anticorrosive paint is not easy to run off and cannot damage the wood member; finally, the anticorrosive paint can effectively kill and inhibit fungi, mold, moth, termite and the like, so that the anticorrosive paint can play a role in long-term protection of wood, and the service life of the wood member ancient building is remarkably prolonged.
Preferably, the ethanol solutions used in S1 and S6 have the same concentration, and the concentration is 15% -50% ethanol solution.
Preferably, the surface of the wood member is coated with one or any combination of a termite-proof coating, a fire-proof coating and a fire-proof coating.
The invention has the beneficial effects that:
1. the wood member ancient building can be subjected to in-situ corrosion prevention, no extra workload is generated, the appearance of the ancient building is not influenced, and the operation is convenient;
2. the adopted anticorrosion mode can be deep into the interior of the wood member, so that the anticorrosion is effective;
3. the multi-dimensional anticorrosion ensures the anticorrosion effect and prolongs the service life of the wooden member historic building.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example one
An in-situ anticorrosion method for an ancient wooden member building comprises the following steps:
s1: cleaning dust outdoors and indoors of the wooden member ancient building by using a brush, and then surveying basic information of the wooden member, including the moisture content, decay degree, worm damage degree, appearance damage degree and the type and quantity of fungus and insect of all wooden members such as columns, beams, doors and windows;
s2: according to the actual situation of the wood member, screening the wood member needing to be replaced and the wood member which does not need to be replaced but needs to be directly subjected to anticorrosion work;
s3: for wood components which do not need to be replaced but need to be directly subjected to anticorrosion work, mixed liquid of 50 parts by mass of 15% ethanol solution, 30 parts by mass of 84 disinfectant and 25 parts by mass of iodophor is used as a cleaning agent to spray and clean the parts of the outdoor surface and the parts of the indoor surface of the wood components;
s4: fumigating and sterilizing indoor surface parts of the wooden member ancient building by adopting 90g/m bromomethane at the temperature of 35 ℃ for 60min, and repeating for 3 times; fumigating and sterilizing the outdoor surface part of the wooden member ancient building for 10 hours by adopting 800g/m ethylene oxide, and repeating for 3 times;
s5: covering the wood member ancient building outdoor by using a plastic film, and then drying the outdoor surface part and the indoor surface part of the wood member ancient building by using an electric warm air blower, wherein the drying temperature is between 50 ℃;
s6: smearing a biological anticorrosive paint on the wood component, and repeatedly smearing for 3-8 times after the wood component is naturally dried, wherein the biological anticorrosive paint comprises 30 parts of cinnamon extract, 60 parts of sequoia extract, 30 parts of balsam fir extract, 5 parts of wood vinegar and 15 parts of 15% ethanol solution;
s7: spraying an anticorrosive paint on the wood member, wherein the anticorrosive paint comprises 10 parts by mass of copper oxide, 15 parts by mass of didecyl dimethyl ammonium chloride, 20 parts by mass of dodecyl benzyl dimethyl ammonium chloride and 30 parts by mass of chromium copper arsenate;
s8: and (3) applying the termite-proof coating to the wood member.
Example two
An in-situ anticorrosion method for an ancient wooden member building comprises the following steps:
s1: cleaning dust outdoors and indoors of the wooden member ancient building by using a brush, and then surveying basic information of the wooden member, including the moisture content, decay degree, worm damage degree, appearance damage degree and the type and quantity of fungus and insect of all wooden members such as columns, beams, doors and windows;
s2: according to the actual situation of the wood member, screening the wood member needing to be replaced and the wood member which does not need to be replaced but needs to be directly subjected to anticorrosion work;
s3: for wood components which do not need to be replaced but need to be directly subjected to anticorrosion work, mixed liquid of 10 parts by mass of 50% ethanol solution, 284 disinfectant and 5 parts by mass of iodophor is used as a cleaning agent to spray and clean the parts of the outdoor surface and the parts of the indoor surface of the wood components;
s4: fumigating and sterilizing the indoor surface part of the timber component ancient building by adopting bromomethane with the weight of 40g/m at the temperature of 5 ℃ for 30min, and repeating for 3 times; carrying out fumigation sterilization on the outdoor surface part of the timber component ancient building by adopting 200g/m ethylene oxide for 5 hours, and repeating for 3 times;
s5: covering the wood member ancient building outdoor by using a plastic film, and then drying the outdoor surface part and the indoor surface part of the wood member ancient building by using an electric warm air blower, wherein the drying temperature is 41 ℃;
s6: smearing a biological anticorrosive paint on the wood component, and repeatedly smearing for 8 times after the wood component is naturally dried, wherein the biological anticorrosive paint comprises 10 parts of cinnamon extract, 25 parts of sequoia extract, 10 parts of balsam fir extract, 1 part of wood vinegar and 3 parts of 50% ethanol solution;
s7: spraying an anticorrosive paint on the wood member, wherein the anticorrosive paint comprises 3 parts by mass of copper oxide, 5 parts by mass of didecyl dimethyl ammonium chloride, 2 parts by mass of dodecyl benzyl dimethyl ammonium chloride and 10 parts by mass of chromated copper arsenate;
s8: and (3) applying termite-proof paint, waterproof paint and fireproof paint to the wood member.
EXAMPLE III
An in-situ anticorrosion method for an ancient wooden member building comprises the following steps:
s1: cleaning dust outdoors and indoors of the wooden member ancient building by using a brush, and then surveying basic information of the wooden member, including the moisture content, decay degree, worm damage degree, appearance damage degree and the type and quantity of fungus and insect of all wooden members such as columns, beams, doors and windows;
s2: according to the actual situation of the wood member, screening the wood member needing to be replaced and the wood member which does not need to be replaced but needs to be directly subjected to anticorrosion work;
s3: for wood components which do not need to be replaced but need to be directly subjected to anticorrosion work, mixed liquid of 35 parts by mass of 20% ethanol solution, 16 parts by mass of 84 disinfectant and 15 parts by mass of iodophor is used as a cleaning agent to spray and clean the parts of the outdoor surface and the parts of the indoor surface of the wood components;
s4: fumigating and sterilizing the indoor surface part of the timber component ancient building by adopting bromomethane with the weight of 65g/m at the temperature of 25 ℃ for 45min, and repeating for 3 times; fumigating and sterilizing the outdoor surface part of the wooden member ancient building for 7.5 hours by adopting 500g/m ethylene oxide, and repeating for 3 times;
s5: covering the wood member ancient building outdoor by using a plastic film, and then drying the outdoor surface part and the indoor surface part of the wood member ancient building by using an electric warm air blower, wherein the drying temperature is 45 ℃;
s6: smearing a biological anticorrosive paint on the wood component, and repeatedly smearing for 5 times after the wood component is naturally dried, wherein the biological anticorrosive paint comprises 20 parts of cinnamon extract, 42 parts of sequoia extract, 20 parts of balsam fir extract, 3 parts of wood vinegar and 9 parts of 33% ethanol solution;
s7: spraying an anticorrosive paint on the wood member, wherein the anticorrosive paint comprises 7 parts by mass of copper oxide, 10 parts by mass of didecyl dimethyl ammonium chloride, 11 parts by mass of dodecyl benzyl dimethyl ammonium chloride and 20 parts by mass of chromated copper arsenate;
s8: and (3) applying a termite-proof coating and a waterproof coating to the wood member.
Control group
An in-situ anticorrosion method for an ancient wooden member building comprises the following steps:
s1: cleaning dust outdoors and indoors of the wooden member ancient building by using a brush, and then surveying basic information of the wooden member, including the moisture content, decay degree, worm damage degree, appearance damage degree and the type and quantity of fungus and insect of all wooden members such as columns, beams, doors and windows;
s2: according to the actual situation of the wood member, screening the wood member needing to be replaced and the wood member which does not need to be replaced but needs to be directly subjected to anticorrosion work;
s3: for wood components which do not need to be replaced but need to be directly subjected to anticorrosion work, mixed liquid of 50 parts by mass of ethanol solution, 30 parts by mass of 84 parts by mass of disinfectant and 5 parts by mass of iodophor is used as a cleaning agent to spray and clean the parts of the outdoor surface and the indoor surface of the wood components.
Taking 4 partially rotten wood members of the ancient wooden member building, namely 10mm, as sample wood, respectively performing an anticorrosion project on the wooden member according to the steps of the first embodiment, the second embodiment, the third embodiment and the comparison group, respectively putting the 4 sample wood into 4 identical culture dishes (hypha blocks) with hypha blocks in an environment with the temperature of 20 ℃ and the humidity of 85%, respectively, standing for three months, and observing the conditions of the sample wood.
Reference to experimental data
| Example one | Example two | EXAMPLE III | Control group | |
| Weight loss rate of white rot fungi in sample | 4.68% | 1.86% | 2.82% | 88.79% |
| Sample brown rot fungus weight loss rate | 5.25% | 2.33% | 3.02% | 90.23% |
| Area of sample mildewing | The area of infected hypha on the surface of the sample is 1 percent | The area of infected hypha on the surface of the sample is 0 percent | The infected hypha area on the surface of the sample is 0.5 percent | The infected hypha area on the surface of the sample is 67 percent |
| Decay-resistant grading | 9 | 10 | 9.5 | 4 |
Decay resistance grading is identified according to the GB/T13942.2-2009 durability of wood standard.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (3)
1. An in-situ anticorrosion method for an ancient wooden member building is characterized by comprising the following steps:
s1: cleaning dust outdoors and indoors of the wooden member ancient building by using a brush, and then surveying basic information of the wooden member, including the moisture content, decay degree, worm damage degree, appearance damage degree and the type and quantity of fungus and insect of all wooden members such as columns, beams, doors and windows;
s2: according to the actual situation of the wood member, screening the wood member needing to be replaced and the wood member which does not need to be replaced but needs to be directly subjected to anticorrosion work;
s3: for wood components which do not need to be replaced but need to be directly subjected to anticorrosion work, mixed liquid of 10-50 parts by mass of ethanol solution, 2-30 parts by mass of 84 disinfectant and 5-25 parts by mass of iodophor is used as a cleaning agent to spray and clean the parts of the outdoor surface and the parts of the indoor surface of the wood components;
s4: carrying out fumigation and sterilization on the indoor surface part of the timber component ancient building by adopting bromomethane for carrying out thin film evaporation and high temperature shift cultivation at the temperature of 5-35 ℃ and carrying out fumigation and sterilization for 30-60 min and repeating for 3 times, wherein the bromomethane is obtained by carrying out thin film evaporation and high temperature shift cultivation at the position of 40-90 g/m for carrying out thin film evaporation and high temperature shift cultivation; carrying out fumigation sterilization on the outdoor surface part of the wooden member ancient building by adopting 200 g/m-800 g/m ethylene oxide for 5-10 hours, and repeating for 3 times;
s5: covering the wood member ancient building outdoor by using a plastic film, and then drying the outdoor surface part and the indoor surface part of the wood member ancient building by using an electric warm-air blower, wherein the drying temperature is between 41 and 50 ℃;
s6: smearing a biological anticorrosive paint on the wood component, and repeatedly smearing for 3-8 times after the wood component is naturally dried, wherein the biological anticorrosive paint comprises 10-30 parts of cinnamon extract, 25-60 parts of sequoia extract, 10-30 parts of balsam fir extract, 1-5 parts of wood vinegar and 3-15 parts of ethanol solution;
s7: and (2) spraying an anticorrosive coating on the wood member, wherein the anticorrosive coating comprises 3-10 parts by mass of copper oxide, 5-15 parts by mass of didecyl dimethyl ammonium chloride, 2-20 parts by mass of dodecyl benzyl dimethyl ammonium chloride and 10-30 parts by mass of chromated copper arsenate.
2. The in-situ corrosion prevention method for wooden member ancient buildings according to claim 1, characterized in that the ethanol solution used in S1 and S6 has the same concentration and the concentration is 15% -50% ethanol solution.
3. The in situ corrosion prevention method for wooden member ancient building according to claim 1, characterized in that, the surface of the wooden member is coated with one or any combination of termite-proof paint, waterproof paint and fireproof paint.
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| CN112666139A (en) * | 2020-12-11 | 2021-04-16 | 南阳理工学院 | Historic building wood member material condition evaluation method based on microstructure |
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