CN106142252A - The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation - Google Patents
The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation Download PDFInfo
- Publication number
- CN106142252A CN106142252A CN201610763719.XA CN201610763719A CN106142252A CN 106142252 A CN106142252 A CN 106142252A CN 201610763719 A CN201610763719 A CN 201610763719A CN 106142252 A CN106142252 A CN 106142252A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- time
- pressure impregnation
- pump
- fully loaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
- B27K3/10—Apparatus
Abstract
The invention discloses the fully loaded alternately processing method of a kind of wood vacuum pressure impregnation, be the most repeatedly fully loaded with cell and impregnate the superposition of method；2. after the time of plan, again change the direction of cross valve, extracted out modifying agent by circulating pump again, make impregnating autoclave form vacuum；So it is repeated a number of times；3. vacuum and moulding pressure are the main technologic parameters affecting treatment effect and efficiency, the selection of parameter should according to process the character of material, modifying agent impregnate difficulty or ease depending on.Wood vacuum pressure impregnation is actually fully loaded with processing method improvement by the present invention, can do repeatedly completely cell and impregnate the superposition of method, to improve maintenance dose and the penetrance of modifying agent in timber, can reach maximum modification agent and inhales dose and length of penetration.It is applicable to timber and moist wood that difficulty is impregnated.
Description
Technical field
The present invention relates to a kind of method of processing wooden piece, especially a kind of fully loaded alternately side of processing of wood vacuum pressure impregnation
Method.
Background technology
At present, the timber as natural material has many good qualities, but there is also many shortcomings, adds at timber particularly at present
In work, as the industrial plantation timber of one of primary raw material, there is the defect that more needs overcome.Meanwhile, along with people's people's livelihood
The raising that running water is flat, is also stepping up the prescription of wood materials.For making timber more meet the needs of client's life, must
Must be the most modified to timber.Wooden modifying or title timber function improvement, be one of important field in wood processing industry, mesh
Be through physics, chemical treatment, make the advantage of material be further strengthened, and make the shortcoming of material obtain in various degree
Improvement, thus strengthen its using effect and expand client range.
Make the material in solvent enter into material surface by dipping and internal scantling is stable, intensity carries to reach to make
The various purposes such as high, fire-retardant, anticorrosion, dyeing are conventional method for modifying wood.In normal pressure impregnates, owing to material enters the degree of depth
Limited with inlet, modified effect is often difficult to reach requirement.
Summary of the invention
It is an object of the invention to provide the fully loaded alternately processing method of a kind of wood vacuum pressure impregnation.
The fully loaded alternately processing method of wood vacuum pressure impregnation, comprises the steps of:
Technique needs device to include: cam mechanism；Centrifugal pump；Pressure impregnation tank；Forcing press；Medical solution pool；Vacuum pump；Pressurization
Pump；Liquid sucking-discharging valve；Dividing potential drop pump；Pressure gauge；Vacuum meter；Cyclic water tank；
Device be provided with cyclic water tank, cyclic water tank respectively with centrifugal pump, vacuum pump is fixing is connected, vacuum pump priority with very
Empty table, Pressure gauge are fixing to be connected, and cyclic water tank is fixing with the pressure impregnation tank being arranged on top to be connected, and pressure impregnation tank is pressurized
Pump, liquid sucking-discharging valve are fixing with medical solution pool to be connected, and pressure impregnation tank is fixing with forcing press to be connected；Forcing press is located under device
Portion；Dividing potential drop pump is fixed with pressure impregnation tank, medical solution pool respectively and is connected；
Technical process:
The most repeatedly it is fully loaded with cell and impregnates the superposition of method, to improve maintenance dose and the penetrance of modifying agent in timber: be applicable to
Timber that difficulty is impregnated and moist wood；
Timber is placed in airtight pressure impregnation tank；Adding modifying agent and add canful, be pressurized to 1-1.5MPa, the time keeps 2-
3MIN, with pumped appropriate modifier solution. produce vacuum, when after certain time, by auto-control in making impregnating autoclave
Device changes the direction of four way valve, makes modifying agent rely on fluid filling pump to return in impregnating autoclave again, and makes the pressure in impregnating autoclave
Reach 1-1.5MPa；
2., after the time of plan, again change the direction of cross valve, extracted out modifying agent by circulating pump again, make impregnating autoclave shape
Become vacuum；So it is repeated a number of times；Cross valve is by cam mechanism, is once a cycle；From the initial stage of process to whole mistake
Journey terminates, and in each cycle, the time of vacuum/pressurization gradually changes than also, and when the initial stage, a cycle time is 1-
1.5min, vacuum time: pressing time=2.5: 1.5, at the end of arriving, the time in a cycle is 6-8MIN, vacuum time: add
Pressure time ratio=1: 2；
3. vacuum and moulding pressure are the main technologic parameters affecting treatment effect and efficiency, and the selection of parameter should foundation
Process the character of material, modifying agent impregnate difficulty or ease depending on.
Described evacuation or can also with vacuum pump evacuation.
Described vacuum, pressurization multiple conversions or with computer program controlled automatic regulate, it is achieved vacuum, pressurization change.
For the timber large-scale, difficulty is impregnated, whole processing procedure reached up to the time of more than 30h, process cycle
400-600 time.
In the application, vacuum 0～a 0.02MPa, moulding pressure 0.6～6MPa；The highest moulding pressure reaches 10MPa.
The beneficial effect of the invention:
Wood vacuum pressure impregnation is actually fully loaded with processing method improvement by the present invention, can do repeatedly completely cell and impregnate method
Superposition, to improve maintenance dose and the penetrance of modifying agent in timber, can reach maximum modification agent and inhales dose and length of penetration.It is suitable for
The timber impregnated in difficulty and moist wood.
Detailed description of the invention
Embodiment:
The fully loaded alternately processing method of wood vacuum pressure impregnation, comprises the steps of:
Technique needs device to include: cam mechanism；Centrifugal pump；Pressure impregnation tank；Forcing press；Medical solution pool；Vacuum pump；Pressurization
Pump；Liquid sucking-discharging valve；Dividing potential drop pump；Pressure gauge；Vacuum meter；Cyclic water tank；
Device be provided with cyclic water tank, cyclic water tank respectively with centrifugal pump, vacuum pump is fixing is connected, vacuum pump priority with very
Empty table, Pressure gauge are fixing to be connected, and cyclic water tank is fixing with the pressure impregnation tank being arranged on top to be connected, and pressure impregnation tank is pressurized
Pump, liquid sucking-discharging valve are fixing with medical solution pool to be connected, and pressure impregnation tank is fixing with forcing press to be connected；Forcing press is located under device
Portion；Dividing potential drop pump is fixed with pressure impregnation tank, medical solution pool respectively and is connected；
Technical process:
The most repeatedly it is fully loaded with cell and impregnates the superposition of method, to improve maintenance dose and the penetrance of modifying agent in timber: be applicable to
Timber that difficulty is impregnated and moist wood；
Being placed in by timber in airtight pressure impregnation tank: add modifying agent and add canful, be pressurized to 1-1.5MPa, the time keeps 2-
3MIN, with pumped appropriate modifier solution. produce vacuum, when after certain time, by auto-control in making impregnating autoclave
Device changes the direction of four way valve, makes modifying agent rely on fluid filling pump to return in impregnating autoclave again, and makes the pressure in impregnating autoclave
Reach 1-1.5MPa；
2., after the time of plan, again change the direction of cross valve, extracted out modifying agent by circulating pump again, make impregnating autoclave shape
Become vacuum；So it is repeated a number of times；Cross valve is by cam mechanism, is once a cycle；From the initial stage of process to whole mistake
Journey terminates, and in each cycle, the time of vacuum/pressurization gradually changes than also, and when the initial stage, a cycle time is 1-
1.5min, vacuum time: pressing time=2.5: 1.5, at the end of arriving, the time in a cycle is 6-8MIN, vacuum time: add
Pressure time ratio=1: 2；
3. vacuum and moulding pressure are the main technologic parameters affecting treatment effect and efficiency, and the selection of parameter should foundation
Process the character of material, modifying agent impregnate difficulty or ease depending on.
Described evacuation or can also with vacuum pump evacuation.
Described vacuum, pressurization multiple conversions or with computer program controlled automatic regulate, it is achieved vacuum, pressurization change.
For the timber large-scale, difficulty is impregnated, whole processing procedure reached up to the time of more than 30h, process cycle
400-600 time.
In the application, vacuum 0～a 0.02MPa, moulding pressure 0.6～6MPa；The highest moulding pressure reaches 10MPa.
Claims (5)
1. the fully loaded alternately processing method of wood vacuum pressure impregnation, is characterized in that: comprise the steps of:
Technique needs device to include: cam mechanism；Centrifugal pump；Pressure impregnation tank；Forcing press；Medical solution pool；Vacuum pump；Force (forcing) pump；
Liquid sucking-discharging valve；Dividing potential drop pump；Pressure gauge；Vacuum meter；Cyclic water tank；
Device be provided with cyclic water tank, cyclic water tank is respectively with centrifugal pump, vacuum pump is fixing is connected, vacuum pump priority and vacuum
Table, Pressure gauge are fixing to be connected, and cyclic water tank is fixing with the pressure impregnation tank being arranged on top to be connected, and pressure impregnation tank is pressurized
Pump, liquid sucking-discharging valve are fixing with medical solution pool to be connected, and pressure impregnation tank is fixing with forcing press to be connected；Forcing press is located under device
Portion；Dividing potential drop pump is fixed with pressure impregnation tank, medical solution pool respectively and is connected；
Technical process:
The most repeatedly it is fully loaded with cell and impregnates the superposition of method, to improve maintenance dose and the penetrance of modifying agent in timber: be applicable to difficult leaching
The timber of note and moist wood；
Timber is placed in airtight pressure impregnation tank；Adding modifying agent and add canful, be pressurized to 1-1.5MPa, the time keeps 2-
3MIN, with pumped appropriate modifier solution. produce vacuum, when after certain time, by auto-control in making impregnating autoclave
Device changes the direction of four way valve, makes modifying agent rely on fluid filling pump to return in impregnating autoclave again, and makes the pressure in impregnating autoclave
Reach 1-1.5MPa；
2., after the time of plan, again change the direction of cross valve, extracted out modifying agent by circulating pump again, make impregnating autoclave be formed very
Empty；So it is repeated a number of times；Cross valve is by cam mechanism, is once a cycle；Tie to whole process from the process initial stage
Bundle, in each cycle, the time of vacuum/pressurization gradually changes than also, and when the initial stage, a cycle time is 1-1.5min,
Vacuum time: pressing time=2.5: 1.5, at the end of arriving, the time in a cycle is 6-8MIN, vacuum time: pressing time
Ratio=1: 2；
3. vacuum and moulding pressure are the main technologic parameters affecting treatment effect and efficiency, and the selection of parameter should be according to process
The character of material, modifying agent impregnate difficulty or ease depending on.
The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation the most according to claim 1, it is characterised in that: described
Evacuation or can also with vacuum pump evacuation.
The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation the most according to claim 1, it is characterised in that: described
Vacuum, pressurization multiple conversions or with computer program controlled automatic regulate, it is achieved vacuum, pressurization change.
The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation the most according to claim 1, it is characterised in that: for
The timber large-scale, difficulty is impregnated, whole processing procedure reached 400-600 time up to the time of more than 30h, process cycle.
The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation the most according to claim 1, it is characterised in that: answering
In with, vacuum 0～a 0.02MPa, moulding pressure 0.6～6MPa；The highest moulding pressure reaches 10MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763719.XA CN106142252A (en) | 2016-08-29 | 2016-08-29 | The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763719.XA CN106142252A (en) | 2016-08-29 | 2016-08-29 | The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106142252A true CN106142252A (en) | 2016-11-23 |
Family
ID=57344132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610763719.XA Pending CN106142252A (en) | 2016-08-29 | 2016-08-29 | The fully loaded alternately processing method of a kind of wood vacuum pressure impregnation |
Country Status (1)
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| CN (1) | CN106142252A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271066A (en) * | 2019-06-26 | 2019-09-24 | 南宁科天水性科技有限责任公司 | A kind of fire retardant treatment process and equipment suitable for moist wood thin wood veneer |
| CN110815463A (en) * | 2019-11-14 | 2020-02-21 | 武平龙兴科技有限公司 | Wood anti-cracking and mothproof treatment process for pet nest |
-
2016
- 2016-08-29 CN CN201610763719.XA patent/CN106142252A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271066A (en) * | 2019-06-26 | 2019-09-24 | 南宁科天水性科技有限责任公司 | A kind of fire retardant treatment process and equipment suitable for moist wood thin wood veneer |
| CN110815463A (en) * | 2019-11-14 | 2020-02-21 | 武平龙兴科技有限公司 | Wood anti-cracking and mothproof treatment process for pet nest |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
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| WD01 | Invention patent application deemed withdrawn after publication |