CN106983407A - A kind of chopping block, the chopping block suit comprising chopping block and chopping block processing technology - Google Patents
A kind of chopping block, the chopping block suit comprising chopping block and chopping block processing technology Download PDFInfo
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- CN106983407A CN106983407A CN201710291531.4A CN201710291531A CN106983407A CN 106983407 A CN106983407 A CN 106983407A CN 201710291531 A CN201710291531 A CN 201710291531A CN 106983407 A CN106983407 A CN 106983407A
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- chopping block
- moisture content
- drying process
- dry
- birch
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J47/00—Kitchen containers, stands or the like, not provided for in other groups of this subclass; Cutting-boards, e.g. for bread
- A47J47/005—Cutting boards
-
- 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
- B27M3/24—Manufacture or reconditioning of specific semi-finished or finished articles of household utensils, e.g. spoons, clothes hangers, clothes pegs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/16—Wood, e.g. lumber, timber
Abstract
The invention provides a kind of processing technology of chopping block：By the way that birch lumber to be carried out to high-temperature steam drying, the mirror polish of two ends intercept four, fixed thickness and the attacker's technique of specific flow, the chopping block is obtained.Chopping block environmental protection obtained by the present invention, it is nonpoisonous and tasteless, do not fall stubble and do not damage that knife, the shallow sense organ of indeformable, good appearance, color that do not ftracture are good and wear-resistant, anticorrosive, normally can use more than 3 years；The present invention also provides a kind of chopping block suit including the chopping block and matching used chopping block base in addition, can be positioned over different purposes, various sizes of chopping block on described chopping block base, is easy to divulge information, reduces space-consuming, prevents deformation.
Description
Technical field
Chopping block suit and chopping block processing technology the present invention relates to a kind of chopping block, comprising chopping block, belong to kitchen utensils technology
Field.
Background technology
The domestic chopping block sold is generally Bamboo chopping block, Wood chopping block and Plastic chopping block at present.The chopping block of three kinds of materials is each
There are advantage and disadvantage：Bamboo chopping block material is solid, not easy to crack or scaling-off, the smooth exquisiteness in surface, is difficult breed bacteria and shelters evil people and countenance evil practices,
Be difficult mouldy and produce peculiar smell, it is and easy to clean, but Bamboo chopping block is generally bamboo chip that bonding is made, in adhesive have formaldehyde and
Harmful substances such as benzene, and spliced chopping board is difficult strong percussion, are only suitable for for cutting the dish with fruit etc., and are not suitable for cutting meat；It is wooden
Chopping block material is thicker, can make only plate chopping block, and toughness is very strong, compares and is adapted to cut meat or cuts some hard foods, but
Be Wood chopping block easily fall in use wooden slag, easily shelter evil people and countenance evil practices, easily mouldy, cracking and not easy cleaning；Plastic chopping block will not
Mouldy, easy cleaning and shock resistance energy is strong, non-breakable, but Plastic chopping block non-refractory, is unsuitable for processing warm-served food and oil
The big food of fat, and containing plasticizer such as lead, cadmiums in some Plastic chopping blocks, being used for a long time even has carcinogenic risk.
The content of the invention
Based on above mentioned problem, the invention provides a kind of chopping block processing technology, more than the chopping block obtained by processing can be solved
All chopping block drawbacks, while have again environmental protection, it is nonpoisonous and tasteless, do not fall that stubble does not damage knife, do not ftracture indeformable, beautiful outline form
See, the advantages of the shallow sense organ of color is good.
The technical scheme is that：
A kind of chopping block, is made up of birch.The birch is maple birch or smelly birch.The obtained chopping block is nonpoisonous and tasteless,
Stubble, not craze and transfiguration, good appearance and wear-resistant, anticorrosive are not fallen.
A kind of processing technology of chopping block, comprises the following steps：
(1) birch lumber is dried：
The drying process uses moisture content drying schedule, including the pre-heat treatment, heating drying stage, Balance Treatment and end of a period
Processing；
In order to allow timber heat penetration, the birch lumber is subjected to the pre-heat treatment：The pre-heat treatment temperature is 53-60 DEG C, dry and wet
Ball temperature difference is 0 DEG C, and the pre-heat treatment time is 4-12h；
Treat that warm-up phase terminates, the medium wet and dry bulb temperature in kiln to be dried reaches the benchmark for the drying process that heats up for the first time
Condition, into heating drying stage：
Heating drying process for the first time：When the moisture content of the birch lumber is more than 30%, dry-bulb temperature is 50-57
DEG C, wet-bulb depression is 3-4 DEG C, and equilibrium moisture content is 13.8-15.6%, when the birch lumber moisture content is less than 30%
When, heating drying process for the first time terminates；
Second of heating drying process：During 30% ＜ moisture content of the birch lumber≤25%, dry-bulb temperature is 53-62
DEG C, wet-bulb depression is 4-7 DEG C, and equilibrium moisture content is 10.7-13.8%, when the birch lumber moisture content is less than 25%
When, second of heating drying process terminates；
Third time heating drying process：During 25% ＜ moisture content of the birch lumber≤20%, dry-bulb temperature is 55-65
DEG C, wet-bulb depression is 6-11 DEG C, and equilibrium moisture content is 8.1-11.3%, when the birch lumber moisture content is less than 20%
When, third time heating drying process terminates；
4th heating drying process：During 20% ＜ moisture content of the birch lumber≤15%, dry-bulb temperature is 58-70
DEG C, wet-bulb depression is 11-12 DEG C, and equilibrium moisture content is 7.5-8.1%, when the birch lumber moisture content is less than 15%
When, the 4th heating drying process terminates；
5th heating drying process：When the moisture content of the birch lumber is less than 15%, dry-bulb temperature is 63-80
DEG C, wet-bulb depression is 14-22 DEG C, and equilibrium moisture content is 4.9-6.7%, when the most dry birch lumber moisture content is down to 8-
When 9%, the 5th heating drying process terminates；
Between the heating drying process stage twice, intermediate treatment is carried out, the dry-bulb temperature of the intermediate treatment is more previous
The dry-bulb temperature in heating drying process stage is high 4-5 DEG C, and wet-bulb depression is 0-3 DEG C, and each intermediate treatment time is 3-
14h；
After heating drying stage terminates, into the Balance Treatment stage, the dry-bulb temperature of the Balance Treatment is 75-83 DEG C,
Wet-bulb depression is 9-10 DEG C, and processing time is 15-32h；
After the Balance Treatment stage terminates, into processing stage of ending, the dry-bulb temperature of the end of a period processing is 80-85 DEG C,
Wet-bulb depression is 3-4 DEG C, and processing time is 3-14h；
Birch lumber terminates through drying, obtains chopping block raw material.
(2) length, thickness and width size by the chopping block Raw material processing into the chopping block, and to the chopping block raw material
It is polished, obtains the chopping block.
To make the use of the chopping block more facilitate, described chopping block processing technology also includes processing chopping block hand after step 2
The step of carrying button.
In order that the chopping block is attractive in appearance and easy to use, described chopping block processing technology, in addition to corner chamfering processing
Step.
In order to meet different occasions and different use requirements, the thickness of the birch lumber is 15-45mm.
In order to reduce the drying stress of the western paper birth wood plank, dry mass is improved, makes the chopping block performance good,
Reduce needs through intermediate treatment in cracking, the birch lumber drying process, and the number of times of the intermediate treatment is no less than twice.It is middle
Processing makes its surface moisture absorption, adjustment top layer and internal layer moisture distribution, weakens moisture gradient, make i.e. by hot and humid processing
The stress existed tends to relax.
To make the uniform of sheet material moisture content, increase also needs to carry out in the stability of timber, the birch lumber drying process
Balance Treatment, the Balance Treatment i.e. since most seasoned wood moisture content be down to the final moisture content minimum of permission when, most
Unseasoned lumber moisture content terminates when being down to the whole moisture content peak of permission.
When the birch lumber is dried to final water content requirement, in order to further reduce the birch lumber along thickness
The moisture gradient in direction is spent, the stress for making the birch lumber produce in the drying process is eliminated and reduced, at balance
The birch lumber after reason need to carry out end of a period processing, and the equilibrium moisture content for the processing that the ends balance corresponding with whole moisture content contains
Water rate is consistent.
In order that the moisture content of the chopping block is adapted with ambient air humidity, the use function of the chopping block is more preferable, institute
The moisture content for stating the chopping block raw material that birch lumber is obtained after drying and terminating is 8-12%.
For described chopping block processing technology, after the completion of birch lumber described in step 1 is dried, into cooling stage, wait to do
When dry indoor temperature is down to less than 30 DEG C, the birch lumber can be removed hothouse.Drying is removed dropping the birch lumber
Before room, by the birch lumber according to《Drying quality of sawn timber》Standard GB/T/T6491-1999 detects the birch lumber
Whether dry mass is qualified, if dry mass is qualified, and the birch lumber is placed in hothouse and removed after 24h.
The purpose conveniently placed and used based on the chopping block, the present invention also provides a kind of chopping block suit, including described
Be arranged in parallel 1-4 groove on chopping block and chopping block base, the chopping block base, and the chopping block is placed in the groove.
Thickness big 3-5mm of the width of the groove compared with the corresponding chopping block placed.
Beneficial effects of the present invention are：
The present invention provides a kind of chopping block, is made up of birch.The present invention provides the processing technology of the chopping block：By by birch
Sheet material carries out the drying of specific flow, the length of the interception chopping block, thickness and width size and is polished, and obtains the anvil
Plate.Chopping block environmental protection obtained by the present invention, nonpoisonous and tasteless, not falling stubble, not damage knife, do not ftracture indeformable, good appearance, color shallow
Sense organ is good and wear-resistant, anticorrosive, normally can use more than 3 years；The present invention also provides one kind and includes the chopping block and match somebody with somebody in addition
The chopping block suit of the chopping block base used is covered, different purposes, various sizes of chopping block can be positioned on described chopping block base,
It is easy to divulge information, reduces space-consuming, prevents deformation.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belongs to the scope that the present invention is protected.
Embodiment 1
A kind of chopping block, is made up of maple birch.Birch described in the present embodiment is maple birch.
A kind of processing technology of chopping block, comprises the following steps：
(1) birch lumber is dried：15mm thickness birch lumbers, initial aqueous rate 35%.
The pre-heat treatment：The pre-heat treatment temperature is 60 DEG C, and wet-bulb depression is 0 DEG C, and the pre-heat treatment time is 4h；
Heat up drying stage：
Heating drying process for the first time：When the moisture content of the birch lumber is more than 30%, dry-bulb temperature is 55 DEG C, is done
Wet-bulb temperature difference is 3 DEG C, and equilibrium moisture content is 15.6%, when the birch lumber moisture content is less than 30%, is heated up for the first time
Drying process terminates；
Second of heating drying process：During 30% ＜ moisture content of the birch lumber≤25%, dry-bulb temperature is 60 DEG C,
Wet-bulb depression is 4 DEG C, and equilibrium moisture content is 13.8%, when the birch lumber moisture content is less than 25%, second liter
Warm drying process terminates；
First time intermediate treatment：When the moisture content of the birch lumber is down to 25%, first time intermediate treatment, control are carried out
Dry-bulb temperature processed is 65 DEG C, and wet-bulb depression is 1 DEG C, and processing time is 3h；
Third time heating drying process：During 25% ＜ moisture content of the birch lumber≤20%, dry-bulb temperature is 65 DEG C,
Wet-bulb depression is 6 DEG C, and equilibrium moisture content is 11.3%, and when the birch lumber moisture content is less than 20%, third time rises
Warm drying process terminates；
Second of intermediate treatment：When the moisture content of the birch lumber is down to 20%, second of intermediate treatment, control are carried out
Dry-bulb temperature processed is 70 DEG C, and wet-bulb depression is 2 DEG C, and processing time is 5h；
4th heating drying process：During 20% ＜ moisture content of the birch lumber≤15%, dry-bulb temperature is 70 DEG C,
Wet-bulb depression is 11 DEG C, and equilibrium moisture content is 8.0%, when the birch lumber moisture content is less than 15%, is risen for the 4th time
Warm drying process terminates；
5th heating drying process：When the moisture content of the birch lumber is less than 15%, dry-bulb temperature is 80 DEG C, is done
Wet-bulb temperature difference is 20 DEG C, and equilibrium moisture content is 4.9%, and when the moisture content of the birch lumber is 8%, the 5th heating is dry
Dry processing terminates.
After 5th heating drying process terminates, into the Balance Treatment stage, the dry-bulb temperature of the Balance Treatment is 83
DEG C, wet-bulb depression is 10 DEG C, and the time is 15h, when the moisture content of the birch lumber is 10%, the Balance Treatment knot
Beam, into processing stage of ending.
The dry-bulb temperature of regulation end of a period processing is 85 DEG C, and wet-bulb depression is 4 DEG C, and the time is 3h.
Indoor temperature is dried after end of a period processing terminates and is down to less than 30 DEG C, whether the birch lumber dry mass is detected
It is qualified.If dry mass is qualified, the birch wood is placed into material after 24h in hothouse and removes hothouse, chopping block raw material is obtained,
Its moisture content is 10%.
(2) length, thickness and width size by the chopping block Raw material processing into the chopping block, and to the chopping block raw material
Two plate faces and two sides be polished, obtain the chopping block.
Be arranged in parallel 4 grooves, institute on a kind of chopping block suit, including above-mentioned chopping block and chopping block base, the chopping block base
State thickness big 3-5mm of the recess width compared with the corresponding chopping block placed.
Embodiment 2
A kind of chopping block, is made up of maple birch.Birch described in the present embodiment is maple birch.
A kind of processing technology of chopping block, comprises the following steps：33mm thickness birch lumbers, initial aqueous rate 40%.
(1) birch lumber is dried：
The pre-heat treatment：The pre-heat treatment temperature is 56 DEG C, and wet-bulb depression is 0 DEG C, and the pre-heat treatment time is 7h；
Heat up drying stage：
Heating drying process for the first time is divided into 40%≤moisture content≤35% and the heating of 35% ＜ moisture content≤30% two
The drying process stage, to be heated up the drying process stage 1 as first time during 40%≤moisture content≤35%, with 35% ＜ moisture content≤
30% is the heating drying process stage 2 for the first time；
Heat up for the first time the drying process stage 1：Dry-bulb temperature is 52 DEG C, and wet-bulb depression is 3 DEG C, and equilibrium moisture content is
15.6%, when the birch lumber moisture content is less than 30%, heating drying process 1 for the first time terminates；
First time intermediate treatment：When the moisture content of the birch lumber is down to 35%, first time intermediate treatment, control are carried out
Dry-bulb temperature processed is 56 DEG C, and wet-bulb depression is 1 DEG C, and processing time is 7h；
Heat up for the first time the drying process stage 2：During 35% ＜ moisture content of the birch lumber≤30%, dry-bulb temperature is
57 DEG C, wet-bulb depression is 4 DEG C, and equilibrium moisture content is 13.8%, when the birch lumber moisture content is less than 30%, first
The secondary heating drying process stage 2 terminates；
Second of heating drying process：During 30% ＜ moisture content of the birch lumber≤25%, dry-bulb temperature is 62 DEG C,
Wet-bulb depression is 6 DEG C, and equilibrium moisture content is 11.3%, when the birch lumber moisture content is less than 25%, second liter
Warm drying process terminates；
Second of intermediate treatment：When the moisture content of the birch lumber is down to 25%, second of intermediate treatment, control are carried out
Dry-bulb temperature processed is 67 DEG C, and wet-bulb depression is 2 DEG C, and processing time is 7h；
Third time heating drying process：During 25% ＜ moisture content of the birch lumber≤20%, dry-bulb temperature is 65 DEG C,
Wet-bulb depression is 9 DEG C, and equilibrium moisture content is 9.1%, and when the birch lumber moisture content is less than 20%, third time heats up
Drying process terminates；
Third time intermediate treatment：When the moisture content of the birch lumber is down to 20%, third time intermediate treatment, control are carried out
Dry-bulb temperature processed is 70 DEG C, and wet-bulb depression is 3 DEG C, and processing time is 9h；
4th heating drying process：During 20% ＜ moisture content of the birch lumber≤15%, dry-bulb temperature is 68 DEG C,
Wet-bulb depression is 12 DEG C, and equilibrium moisture content is 7.5%, when the birch lumber moisture content is less than 15%, is risen for the 4th time
Warm drying process terminates；
5th heating drying process is divided into 15% ＜ moisture content≤12% and the heating of 12% ＜ moisture content≤10% two
The drying process stage, using during 15% ＜ moisture content≤12% as the 5th heating drying process stage 1, with 12% ＜ moisture content≤
10% is the 5th heating drying process stage 2；
5th heating drying process stage 1：Dry-bulb temperature is 71 DEG C, and wet-bulb depression is 15 DEG C, equilibrium moisture content
For 6.3%, when the birch lumber moisture content is less than 12%, the 5th heating drying process 1 terminates；
5th heating drying process stage 2：Dry-bulb temperature is 75 DEG C, and wet-bulb depression is 20 DEG C, equilibrium moisture content
For 4.9%, when the moisture content of the birch lumber is 9%, the 5th heating drying process 2 terminates；
After 5th heating drying process terminates, into the Balance Treatment stage, the dry-bulb temperature of the Balance Treatment is 79
DEG C, wet-bulb depression is 9 DEG C, and the time is 24h, when the moisture content of the birch lumber is 10%, the Balance Treatment knot
Beam, into processing stage of ending.
The dry-bulb temperature of regulation end of a period processing is 84 DEG C, and wet-bulb depression is 3 DEG C, and the time is 7h.
Indoor temperature is dried after end of a period processing terminates and is down to less than 30 DEG C, whether the birch lumber dry mass is detected
It is qualified.If dry mass is qualified, hothouse is removed after the birch lumber is placed into 24h in hothouse, chopping block raw material is obtained,
Its moisture content is 10%.
(2) length, thickness and width size by the chopping block Raw material processing into the chopping block, and to the chopping block raw material
The processing step of carrying buckle and corner chamfering is polished, processed, chopping block shaping is completed, obtains the chopping block.
Be arranged in parallel 3 grooves, institute on a kind of chopping block suit, including above-mentioned chopping block and chopping block base, the chopping block base
State thickness big 3-5mm of the recess width compared with the corresponding chopping block placed.
Embodiment 3
A kind of chopping block, is made up of smelly birch.Birch described in the present embodiment is smelly birch.
A kind of processing technology of chopping block, comprises the following steps：45mm thickness birch lumbers, initial aqueous rate 38%.
(1) birch lumber is dried：
The pre-heat treatment：The pre-heat treatment temperature is 53 DEG C, and wet-bulb depression is 0 DEG C, and the pre-heat treatment time is 12h；
Heat up drying stage：
Heating drying process for the first time is divided into 38%≤moisture content≤35% and the heating of 35% ＜ moisture content≤30% two
The drying process stage, to be heated up the drying process stage 1 as first time during 38%≤moisture content≤35%, with 35% ＜ moisture content≤
30% is the heating drying process stage 2 for the first time；
Heat up for the first time the drying process stage 1：Dry-bulb temperature is 50 DEG C, and wet-bulb depression is 3 DEG C, and equilibrium moisture content is
15.8%, when the birch lumber moisture content is less than 35%, heating drying process 1 for the first time terminates；
First time intermediate treatment：When the moisture content of the birch lumber is down to 35%, first time intermediate treatment, control are carried out
Dry-bulb temperature processed is 55 DEG C, and wet-bulb depression is 0 DEG C, and processing time is 12h；
Heat up for the first time the drying process stage 2：During 35% ＜ moisture content of the birch lumber≤30%, dry-bulb temperature is
52 DEG C, wet-bulb depression is 4 DEG C, and equilibrium moisture content is 14.1%, when the birch lumber moisture content is less than 30%, first
Secondary heating drying process 2 terminates；
Second of heating drying process is divided into 30% ＜ moisture content≤27% and the heating of 27% ＜ moisture content≤25% two
The drying process stage, using during 30% ＜ moisture content≤27% as second of heating drying process stage 1, with 27% ＜ moisture content≤
25% is second of heating drying process stage 2；
Second of heating drying process stage 1：Dry-bulb temperature is 53 DEG C, and wet-bulb depression is 5 DEG C, and equilibrium moisture content is
12.7%, when the birch lumber moisture content is less than 27%, second of heating drying process 1 terminates；
Second of intermediate treatment：When the moisture content of the birch lumber is down to 27%, second of intermediate treatment, control are carried out
Dry-bulb temperature processed is 58 DEG C, and wet-bulb depression is 2 DEG C, and processing time is 12h；
Second of heating drying process stage 2：Dry-bulb temperature is 54 DEG C, and wet-bulb depression is 7 DEG C, and equilibrium moisture content is
10.7%, when the birch lumber moisture content is less than 25%, second of heating drying process 2 terminates；
Third time intermediate treatment：When the moisture content of the birch lumber is down to 25%, third time intermediate treatment, control are carried out
Dry-bulb temperature processed is 59 DEG C, and wet-bulb depression is 2 DEG C, and processing time is 12h；
Third time heating drying process is divided into 25% ＜ moisture content≤22% and the heating of 22% ＜ moisture content≤20% two
The drying process stage, to be heated up the drying process stage 1 as third time during 25% ＜ moisture content≤22%, with 12% ＜ moisture content≤
10% is the third time heating drying process stage 2；
The third time heating drying process stage 1：During 25% ＜ moisture content of the birch lumber≤22%, dry-bulb temperature is
55 DEG C, wet-bulb depression is 9 DEG C, and equilibrium moisture content is 9.3%, when the birch lumber moisture content is less than 22%, the 3rd
Secondary heating drying process 1 terminates；
The third time heating drying process stage 2：Dry-bulb temperature is 56 DEG C, and wet-bulb depression is 11 DEG C, equilibrium moisture content
For 8.1%, when the birch lumber moisture content is less than 20%, third time heating drying process 2 terminates；
4th heating drying process is divided into 20% ＜ moisture content≤17% and the heating of 17% ＜ moisture content≤15% two
The drying process stage, using during 20% ＜ moisture content≤17% as the 4th heating drying process stage 1, with 17% ＜ moisture content≤
15% is the 4th heating drying process stage 2；
4th heating drying process stage 1：Dry-bulb temperature is 58 DEG C, and wet-bulb depression is 11 DEG C, equilibrium moisture content
For 8.1%, when the birch lumber moisture content is less than 17%, the 4th heating drying process 1 terminates；
4th intermediate treatment：When the moisture content of the birch lumber is down to 17%, the 4th intermediate treatment, control are carried out
Dry-bulb temperature processed is 63 DEG C, and wet-bulb depression is 3 DEG C, and processing time is 14h；
4th heating drying process stage 2：During 17% ＜ moisture content of the birch lumber≤15%, dry-bulb temperature is
59 DEG C, wet-bulb depression is 11 DEG C, and equilibrium moisture content is 8.1%, when the birch lumber moisture content is less than 15%, the 4th
Secondary heating drying process 2 terminates；
5th heating drying process is divided into 15% ＜ moisture content≤12%, 12% ＜ moisture content≤10% and moisture content ＜
10% 3 heating drying process stage, to be heated up the drying process stage 1 for the 5th time during 15% ＜ moisture content≤12%, with
12% ＜ moisture content≤10% be the 5th time heating the drying process stage 2, using during moisture content ＜ 10% for the 5th time heat up drying
Processing stage 3；
5th heating drying process stage 1：Dry-bulb temperature is 63 DEG C, and wet-bulb depression is 14 DEG C, equilibrium moisture content
For 6.7%, when the birch lumber moisture content is less than 10%, the 5th heating drying process 1 terminates；
5th heating drying process stage 2：Dry-bulb temperature is 67 DEG C, and wet-bulb depression is 17 DEG C, equilibrium moisture content
For 6.0%, when the birch lumber moisture content is less than 10%, the 5th heating drying process stage 2 terminates；
5th heating drying process stage 3：Dry-bulb temperature is 70 DEG C, and wet-bulb depression is 22 DEG C, equilibrium moisture content
For 4.4%, when the moisture content of the birch lumber is 8%, the 5th heating drying process stage 3 terminates；
After 5th heating drying process stage 3 terminates, into Balance Treatment stage, the dry-bulb temperature of the Balance Treatment
For 75 DEG C, wet-bulb depression is 10 DEG C, and the time is 32h, when the moisture content of the birch lumber is 10%, at the balance
Reason terminates, into processing stage of ending.
The dry-bulb temperature of regulation end of a period processing is 80 DEG C, and wet-bulb depression is 4 DEG C, and the time is 14h.
Indoor temperature is dried after end of a period processing terminates and is down to less than 30 DEG C, whether the birch lumber dry mass is detected
It is qualified.If dry mass is qualified, the birch lumber is placed into 24h in drying oven, hothouse is removed, obtains chopping block raw material.
(2) length, thickness and width size by the chopping block Raw material processing into the chopping block, and to the chopping block raw material
Be polished, corner chamfering machine-shaping, obtain the chopping block.
Be arranged in parallel 4 grooves, institute on a kind of chopping block suit, including above-mentioned chopping block and chopping block base, the chopping block base
State thickness big 3-5mm of the recess width compared with the corresponding chopping block placed.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of chopping block, it is characterised in that be made up of birch.
2. the processing technology of chopping block according to claim 1, it is characterised in that comprise the following steps：
(1) birch lumber is dried：
The birch lumber, which is dried, includes the pre-heat treatment, heating drying stage, Balance Treatment and end of a period processing；
The pre-heat treatment：The pre-heat treatment temperature is 53-60 DEG C, and wet-bulb depression is 0 DEG C, and the pre-heat treatment time is to 4-12h；
Heat up drying stage：
Heating drying process for the first time：When the moisture content of the birch lumber is more than 30%, dry-bulb temperature is 50-57 DEG C, is done
Wet-bulb temperature difference is 3-4 DEG C, and equilibrium moisture content is 13.8-15.6%, when the birch lumber moisture content is less than 30%, first
Secondary heating drying process terminates；
Second of heating drying process：During 30% ＜ moisture content of the birch lumber≤25%, dry-bulb temperature is 53-62 DEG C,
Wet-bulb depression is 4-7 DEG C, and equilibrium moisture content is 10.7-13.8%, when the birch lumber moisture content is less than 25%, the
Secondary temperature elevation drying process terminates；
Third time heating drying process：During 25% ＜ moisture content of the birch lumber≤20%, dry-bulb temperature is 55-65 DEG C,
Wet-bulb depression is 6-11 DEG C, and equilibrium moisture content is 8.1-11.3%, when the birch lumber moisture content is less than 20%, the
Three heating drying process terminate；
4th heating drying process：During 20% ＜ moisture content of the birch lumber≤15%, dry-bulb temperature is 58-70 DEG C,
Wet-bulb depression is 11-12 DEG C, and equilibrium moisture content is 7.5-8.1%, when the birch lumber moisture content is less than 15%, the
Four heating drying process terminate；
5th heating drying process：When the moisture content of the birch lumber is less than 15%, dry-bulb temperature is 63-80 DEG C, is done
Wet-bulb temperature difference is 14-22 DEG C, and equilibrium moisture content is 4.9-6.7%, when the most dry birch lumber moisture content is down to 8-9%
When, the 5th heating drying process terminates；
Between the heating drying process stage twice, intermediate treatment, the more previous heating of dry-bulb temperature of the intermediate treatment are carried out
The dry-bulb temperature in drying process stage is high 4-5 DEG C, and wet-bulb depression is 0-3 DEG C, and each intermediate treatment time is 3-14h；
After heating drying stage terminates, into the Balance Treatment stage, the dry-bulb temperature of the Balance Treatment is 75-83 DEG C, dry and wet
Ball temperature difference is 9-10 DEG C, and processing time is 15-32h；
End of a period is handled：Dry-bulb temperature is 80-85 DEG C, and wet-bulb depression is 3-4 DEG C, and processing time is 3-14h；
Birch lumber terminates through drying, obtains chopping block raw material.
(2) length, thickness and width size by the chopping block Raw material processing into the chopping block, and the chopping block raw material is carried out
Polishing, obtains the chopping block.
3. chopping block processing technology according to claim 2, it is characterised in that be additionally included on the chopping block and add after step 2
The step of work chopping block carrying buckle.
4. chopping block processing technology according to claim 2, it is characterised in that also include what corner chamfering was processed after step 2
Step.
5. chopping block processing technology according to claim 2, it is characterised in that the thickness of the birch lumber is 15-45mm.
6. chopping block processing technology according to claim 2, it is characterised in that the number of times of the intermediate treatment is no less than two
It is secondary.
7. chopping block processing technology according to claim 2, it is characterised in that the moisture content of the chopping block raw material is 8-
12%.
8. chopping block processing technology according to claim 2, it is characterised in that after the completion of birch lumber described in step 1 is dried,
Into cooling stage, when the dry-bulb temperature of medium to be dried is down to less than 30 DEG C, cooling stage terminates.
9. a kind of chopping block suit, it is characterised in that including the chopping block described in claim 1 and chopping block base, the chopping block base
On be arranged in parallel 1-4 groove, the chopping block is placed in the groove.
10. chopping block suit according to claim 9, it is characterised in that the width of the groove relatively corresponds to the chopping block placed
The big 3-5mm of thickness.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199596A (en) * | 1997-06-09 | 1998-11-25 | 东北林业大学 | Crack and deformation preventing treatment technology for wood chopping block and stump |
| CN1827324A (en) * | 2006-04-10 | 2006-09-06 | 浙江久盛地板有限公司 | Method for processing wood flooring |
| CN202477456U (en) * | 2012-04-01 | 2012-10-10 | 吴光辉 | Chopping board set |
| CN104827534A (en) * | 2015-05-11 | 2015-08-12 | 中国林业科学研究院木材工业研究所 | Robinia pseudoacacia sawn timber drying method |
| CN105180640A (en) * | 2015-10-19 | 2015-12-23 | 东北林业大学 | Multi-parameter monitoring wood-drying method |
-
2017
- 2017-04-28 CN CN201710291531.4A patent/CN106983407A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199596A (en) * | 1997-06-09 | 1998-11-25 | 东北林业大学 | Crack and deformation preventing treatment technology for wood chopping block and stump |
| CN1827324A (en) * | 2006-04-10 | 2006-09-06 | 浙江久盛地板有限公司 | Method for processing wood flooring |
| CN202477456U (en) * | 2012-04-01 | 2012-10-10 | 吴光辉 | Chopping board set |
| CN104827534A (en) * | 2015-05-11 | 2015-08-12 | 中国林业科学研究院木材工业研究所 | Robinia pseudoacacia sawn timber drying method |
| CN105180640A (en) * | 2015-10-19 | 2015-12-23 | 东北林业大学 | Multi-parameter monitoring wood-drying method |
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Application publication date: 20170728 |