JP5467018B2 - Wood processing apparatus and wood processing method for partially treating wood with chemicals - Google Patents

Description

  The present invention relates to a wood processing apparatus and a wood processing method for partially treating wood with a chemical solution. More specifically, wood such as lumber, laminated timber, plywood, laminated veneer, wood panel, wood fiber plate, etc. The present invention relates to a wood processing apparatus and a processing method for partially treating wood with a chemical for preserving wood that protects against microorganisms such as Kawaratake and pests such as termites.

  2. Description of the Related Art Conventionally, two methods are generally used for preserving wood with chemicals for preserving wood. That is, combining the step of putting wood in a pressure vessel to lower the pressure in the pressure vessel and the step of pushing a chemical solution for preserving wood into the pressure vessel at a high pressure, the chemical solution is put into the cellular tissue of the wood. A method of soaking [so-called pressure injection treatment method] (see Patent Document 1) and a method of applying a chemical solution for wood preservation to wood or immersing wood in a chemical solution for wood preservation [so-called surface treatment method] (See Patent Document 2). In order to carry out each of these two methods, a dedicated chemical for storing wood is prepared.

  When the two methods are carried out in a factory, it is considered to be a technically and economically appropriate method to bundle the whole wood and treat it at once. Conventionally, in order to treat only a necessary portion of such wood with a chemical solution for preserving wood, an operation of manually applying or spraying the chemical solution for preserving wood to each piece of the wood In many cases, an operator goes to a building construction site of a house and uses a sprayer or the like to treat only a necessary portion of the wood with the chemical for preserving the wood.

JP 2010-111101 A Japanese Patent Laid-Open No. 2008-303157

  However, in the method in which the worker goes to the construction site of a house and treats only a necessary part of the wood with the chemical for preserving the wood, the chemical for preserving the wood is scattered or the wood preserving agent is used. Therefore, there is a problem in that an excess liquid is generated due to the remaining use of the chemical solution, and the environment is contaminated with the chemical solution for preserving wood, and the cost of processing wood with the chemical solution for preserving wood is increased.

  In order to solve such problems, in recent years, methods for efficiently treating wood with chemicals for preserving wood have become widespread in factories, mainly for large-scale housing manufacturers. Since it is a common practice to treat wood that is used standing in a house such as 1 m from the ground, only a portion of the wood needs to be treated. Therefore, when an attempt is made to efficiently process wood with a chemical solution for preserving wood at a factory according to the conventional technique, there is a problem in that processing is performed up to a portion where wood treatment is unnecessary. In addition, if priority is given to processing only the necessary parts of wood, wood will be processed manually using a sprayer, etc., which reduces the merit of factory processing in terms of production efficiency. there were.

  The present invention aims to solve this problem.

  That is, the present invention adjusts the depth of the wood to be immersed in the chemical solution for preserving wood and efficiently treats the wood with the chemical solution for preserving wood, and at the same time the processing range of the chemical solution to the wood An object is to provide a wood processing apparatus and a wood processing method capable of achieving uniformity at a low cost.

  That is, in order to achieve the above-mentioned object, the invention described in claim 1 is (i) a dipping tank in which a chemical solution for preserving wood is stored, and (b) provided horizontally on the dipping tank. A wood holding container for holding the wood, (c) a rotating device for rotating the wood holding container in a vertical direction, and (d) for partially immersing the chemical in the wood held in the wood holding container. A wood processing apparatus comprising: a lifting device that lifts and lowers the wood holding container together with the rotating device provided so as to stand up from the inside of the immersion bath to a height higher than the height of the immersion bath. is there.

  The invention described in claim 2 is characterized in that, in the invention described in claim 1, an automatic chemical liquid height adjusting device for automatically adjusting the height of the chemical liquid in the immersion tank is provided. To do.

  The invention described in claim 3 is the invention described in claim 2, wherein the chemical liquid level automatic adjustment device detects a liquid level of the chemical liquid, and the liquid level sensor. The chemical liquid that controls the inflow and outflow of the chemical liquid from the chemical liquid tank to the immersion tank using a chemical liquid pump so as to feed back the liquid level height of the chemical liquid detected in step 1 to a preset liquid level of the chemical liquid And an inflow / outflow control device.

The invention described in claim 4
(A) a step of storing a chemical for wood preservation treatment in an immersion bath;
(B) a step of holding and holding wood in a wood holding container installed horizontally on the immersion tank;
(C) a step of holding the wood in a standing state by rotating the wood holding container containing the wood in a vertical direction with a rotating device;
(D) By lowering the wood held in the standing state by using an elevating device provided so as to stand upward from the inside of the immersion bath above the height of the immersion bath, the wood is A step of immersing only a part in the chemical solution;
(E) the step of dripping the chemical solution by inverting the slanted direction while leaving the wood in the wood holding container to be separated from the liquid surface of the chemical solution; and
(F) The step of returning the wood from which the chemical solution has been dripped back to the original horizontally installed state in the wood holding container and taking out the wood,
Is a wood processing method characterized by comprising:

  According to the invention described in claim 1, (b) a dipping tank in which a chemical solution for preserving wood is stored, and (b) a wood holding container for holding the wood horizontally provided on the dipping tank. (C) a rotating device that rotates the wood holding container in a vertical direction; and (d) the chemical solution is partially immersed in the wood held in the wood holding container from the inside of the immersion tank. A lifting device for raising and lowering the wood holding container together with the rotating device provided to stand above the height of the immersion tank, so that the depth of the wood to be immersed in the chemical solution for wood preservation A wood treatment apparatus and a wood treatment method for adjusting the thickness and treating the wood with a chemical solution for preserving wood efficiently and in a short time and at the same time, making the treatment range of the chemical solution to the wood uniform. Can be offered at.

  According to the invention described in claims 2 and 3, since the chemical liquid height automatic adjustment device that automatically adjusts the height of the chemical liquid in the immersion tank is provided, It can be kept constant regardless of the treatment material volume.

According to the invention described in claim 4,
(A) a step of storing a chemical for wood preservation treatment in an immersion bath;
(B) a step of holding and holding wood in a wood holding container installed horizontally on the immersion tank;
(C) a step of holding the wood in a standing state by rotating the wood holding container containing the wood in a vertical direction with a rotating device;
(D) By lowering the wood held in the standing state by using an elevating device provided so as to stand upward from the inside of the immersion bath above the height of the immersion bath, the wood is A step of immersing only a part in the chemical solution;
(E) the step of dripping the chemical solution by inverting the slanted direction while leaving the wood in the wood holding container to be separated from the liquid surface of the chemical solution; and
(F) The step of returning the wood from which the chemical solution has been dripped back to the original horizontally installed state in the wood holding container and taking out the wood,
Therefore, the depth of the wood to be immersed in the chemical solution for preserving wood is adjusted, and the wood is partially and efficiently treated with the chemical solution for preserving wood in a short time, and the It is intended to provide a wood treatment method at a low cost, in which the treatment range of the chemical solution is made uniform, and the treated wood is retained on a dipping tank, and the excess chemical solution dripping down is recovered without being scattered around. It is aimed.

  In FIG. 1, 30 is a wood processing apparatus. The wood processing apparatus 30 of the present invention includes an immersion tank 1 in which a chemical solution for preserving wood is stored, a wood holding container 2 that holds the wood horizontally provided on the immersion tank 1, and the wood holding container. In order to partially immerse the chemical in the wood held in the wood holding container 2 from the inside of the immersion tank 1 above the height of the immersion tank 1 in order to partially immerse the chemical solution in the rotating device 3 that rotates 2 in the vertical direction. And a lifting device 4 that lifts and lowers the wood holding container 2 together with the rotating device 3.

  Thus, the immersion tank 1 in which the chemical | medical solution which preserve | saves a timber is stored, the wood holding container 2 holding the said timber horizontally provided on the said immersion tank 1, and the said wood holding container 2 are set to the orthogonal | vertical direction. And a rotating device 3 that rotates, the wood that adjusts the depth of the wood to be immersed in the chemical solution for preserving wood and efficiently and partially treats the wood with the chemical solution for preserving wood in a short time The processing apparatus 30 can be provided at low cost. Further, in order to partially immerse the chemical in the wood held in the wood holding container 2, it was provided so as to stand up from the inside of the immersion tank 1 above the height of the immersion tank 1. If it has the raising / lowering device 4 which raises / lowers the said wood holding container 2 with the said rotation apparatus 3, it will move to the liquid level of the said chemical | medical solution for the said wood preservation | save process by vertically moving the said wood holding container 2 up and down. During the insertion and extraction, the liquid level of the chemical solution is reduced, so that the processing range of the chemical solution on the wood can be made uniform.

  Therefore, the immersion tank 1 in which a chemical solution for preserving wood is stored, the wood holding container 2 for holding the wood horizontally provided on the immersion tank 1, and the wood holding container 2 are rotated in the vertical direction. In order to partially immerse the chemical in the rotating device 3 and the wood held in the wood holding container 2, the rotating device 3 is provided so as to stand upward from the inside of the immersion tank 1 to the height of the immersion tank 1. And a lifting device 4 for lifting and lowering the wood holding container 2 together with the rotating device 3, the depth of the wood to be immersed in the chemical solution for wood preservation is adjusted and the wood is used for wood preservation. It is possible to provide a wood treatment apparatus 30 that efficiently and partially treats with the chemical solution in a short time and that makes the treatment range of the chemical solution to the wood uniform.

  The wood processing apparatus 30 of the present application is provided with an automatic chemical liquid height adjusting device 20 that automatically adjusts the height of the chemical liquid in the immersion tank. The automatic liquid level adjusting device 20 includes a liquid level sensor 5 that detects the liquid level of the chemical liquid, and a liquid level that is set in advance by feeding back the liquid level detected by the liquid level sensor 5. A chemical liquid inflow / outflow control device 6 that controls the inflow / outflow of the chemical liquid from the chemical liquid tank 7 to the immersion tank 1 by using the chemical liquid pump 8 so as to have a surface height. The chemical liquid surface of the immersion tank 1 is adjusted by the chemical liquid inflow / outflow control device 6.

  Thus, when the chemical liquid height automatic adjusting device 20 that automatically adjusts the height of the chemical liquid in the immersion tank 1 is provided, the wood processing range is kept constant regardless of the number of executions and the processing material volume. be able to.

  Next, the wood processing apparatus 30 will be described in detail.

  As shown in FIG. 1, in the wood processing apparatus 30 of the present invention, a wood holding container 2 provided so as to be horizontally positioned on the immersion tank 1 in which a chemical material for wood preservation treatment is stored. Put wood to be treated with chemicals. The wood holding container 2 is connected to a rotating device 3 that rotates in the vertical direction by power, and the rotating device 3 is lifted up and down from the inside of the immersion tank 1 toward the height of the immersion tank 1. It is attached to the device 4. The wood holding container 2 containing the wood is rotated horizontally (90 degrees) using a rotating device 3 so that the length direction of the wood becomes vertical, and the wood dipping tank is used using the lifting device 4 Sink into the chemical solution for wood preservation stored in 1. After elapse of a preset time depending on the processing conditions of the wood, the lifting device 4 is used to pull up the wood holding container 2 and the rotating device 3 in the vertical direction, and then in an oblique direction, for example, 45 degrees upward Rotate to, and hold for a preset time, assuming that excess chemical solution drips. After that time has elapsed, the rotating device 3 is inverted (inverted 90 degrees to level the wood holding container 2 in the length direction. Thereafter, the wood material is taken out from the wood holding container 2.

  Further, as shown in FIG. 1, in the wood treatment apparatus 30 of the present invention, a liquid level sensor 5 for measuring the height of the liquid level of the chemical solution is attached in the immersion tank 1, and the liquid Information on the height of the surface is transmitted to the chemical inflow / outflow control device 6 through the cord 11 by an electric signal. The chemical liquid level of the immersion tank 1 by the chemical inflow / outflow control device 6 is adjusted based on the “chemical liquid level adjustment flow of the immersion tank” shown in FIG. The chemical inflow / outflow control device 6 is connected to the chemical liquid tank 7 and the pipe 9, and issues an instruction to introduce or remove the chemical liquid to the chemical liquid pump 8 connected to the immersion tank 1 and the pipe 10. Make it work. When the liquid level of the chemical liquid reaches the immersion tank 1, an instruction to stop the operation is sent from the chemical liquid pump control device 6 to the chemical liquid pump 8. Regardless of whether the wood is being taken in and out of the immersion tank 1 or not, the height of the chemical liquid surface is always adjusted. Since the amount of the chemical solution attached to the wood is proportional to the immersion time of the wood to be processed, in order to efficiently obtain a certain amount of the chemical solution attached to the wood in a short time, the lifting device 4 is controlled by a timer. Then, it is carried out so that the immersion is completed in a certain time.

The wood treatment method of this application is
(A) a step of storing a chemical for wood preservation treatment in the immersion tank 1;
(B) a step of holding and holding wood in a wood holding container 2 installed horizontally on the immersion tank 1;
(C) a step of holding the wood in a standing state by rotating the wood holding container 2 containing the wood in a vertical direction by a rotating device 3;
(D) By using the lifting device 4 provided so as to stand upward from the inside of the immersion tank 1 above the height of the immersion tank 1, by lowering the wood held in the standing state, A step of immersing only a part of the wood in the chemical solution;
(E) the step of dripping the chemical solution by inverting it in an oblique direction while being placed in the wood holding container 2 and separating it from the liquid level of the chemical solution; and
(F) The step of returning the wood from which the chemical solution has been dripped back to the original horizontally installed state in the wood holding container 2 and taking out the wood,
Sequentially.

  Thus, when it has said (i)-(f) sequentially, the depth of the wood immersed in the chemical | medical solution for wood preservation | save is adjusted, and this wood is efficiently used for a short time with the chemical | medical solution for wood preservation | save. In addition to partially treating, the treatment range of the chemical solution to the wood is made uniform, and the treated wood is retained on a dipping tank, and the excess chemical solution dripping is collected without being scattered to the surroundings. A wood processing method can be provided at low cost.

Example 1
(A) Wood preservative / anticide “Samplaser PW96” (certification number A-5295) certified by the Japan Wood Preservation Association (hereinafter referred to as “wood preservative / anticide”). The step of storing the chemical for wood preservation treatment containing >> in a immersion tank of length: 1580 mm x width: 2022 mm x height: 1400 mm so as to have a depth of 900 mm,
(B) Vertically: 920 mm × width: 1250 mm × height: 3090 mm wood holding container provided horizontally on the immersion bath 70 sheets of larch structure plywood of length: 9 mm × width: 910 mm × height: 1820 mm A process of putting and holding in a stacked state,
(C) rotating the wood holding container containing the larch structure plywood 90 degrees with a rotating device to hold the larch structure plywood upright;
(D) Preserving the wood by lowering the wood held in the standing state by using an elevating device provided so as to stand upward from the inside of the immersion bath above the height of the immersion bath. A step of immersing a portion extending from 820 mm from the tip of the larch structure plywood in a chemical for treatment for 10 minutes,
(E) a step of dripping the chemical solution by rotating the wood holding container containing the plywood for larch structure 60 degrees with a rotating device and holding it for 5 minutes while being separated from the liquid surface of the chemical solution; and ,
(F) The step of taking out the wood by returning the plywood for larch structure in which the chemical solution has been dripped back to the original horizontally installed state while being put in the wood holding container,
The larch structure plywood was partially treated with the chemical solution for wood preservation treatment.

(Example 2)
In the step (b), the length: 920 mm × width: 1250 mm × height: 3090 mm in a wood holding container provided horizontally: spruce lumber 216 of length: 38 mm × width: 89 mm × height: 3000 mm The spruce lumber was partially treated with the chemical for wood preservation treatment in the same manner as in Example 1 except that the book was put and held.

(Example 3)
In the step (b), the length: 920 mm × width: 1250 mm × height: 3090 mm in a wood holding container provided horizontally: spruce lumber 216 of length: 38 mm × width: 89 mm × height: 3000 mm A book is put and held, and in the step (d), except that the portion spanning 750 mm from the tip of the spruce lumber is immersed in the chemical for wood preservation treatment for 10 minutes, as in Example 1, The spruce lumber was partially treated with the chemical for wood preservation treatment.

(Comparative Example 1)
For wood preservation treatment containing wood preservatives / anticides only on the part 820 mm from the edge of the surface of the plywood for larch structure of length: 9 mm x width: 910 mm x height: 1820 mm mounted on a table equipped with a ruler The chemical solution was sprayed. Similarly, the larch structure plywood is sprayed one after another on the 820 mm portion of the larch structure plywood from the end of the surface of the larch structure plywood to the wood preserving treatment chemical solution. Was partially treated with the chemical solution for wood preservation treatment.

(Comparative Example 2)
Containing wood preservatives and ant protection agents only on the part of the surface of one surface of 10 spruce lumbers of length: 38 mm x width: 89 mm x height: 3000 mm placed on a table with a ruler. The chemical solution for wood preservation treatment was sprayed. Next, each of the ten spruce lumbers is rolled, and the remaining three surfaces formed with their adjacent surfaces facing upward are sprayed with a chemical solution for wood preservation treatment containing the wood preservative / anticide. Processed. Then, in the same manner, 10 pieces of the spruce lumber (last 6 pieces) are sprayed with a chemical for wood preservation containing the wood preservative / anticide, and a total of 216 spruce lumbers are treated with the wood preservation treatment. Partially treated with a chemical solution.

(Comparative Example 2)
Containing wood preservatives and ant protection agents only on the part of the surface of one surface of 10 spruce lumbers of length: 38 mm x width: 89 mm x height: 3000 mm placed on a table with a ruler. The chemical solution for wood preservation treatment was sprayed. Next, each of the ten spruce lumbers is rolled, and the remaining three surfaces formed with their adjacent surfaces facing upward are sprayed with a chemical solution for wood preservation treatment containing the wood preservative / anticide. Processed. Then, in the same manner, 10 pieces of the spruce lumber (last 6 pieces) are sprayed with a chemical for wood preservation containing the wood preservative / anticide, and a total of 216 spruce lumbers are treated with the wood preservation treatment. Partially treated with a chemical solution.

(Comparative Example 3)
Containing wood preservatives and ant protection agents only on the part of the surface of one surface of 10 spruce lumbers of length: 38 mm x width: 89 mm x height: 3000 mm placed on a table equipped with a ruler The chemical solution for wood preservation treatment was sprayed. Next, each of the ten spruce lumbers is rolled, and the remaining three surfaces formed with their adjacent surfaces facing upward are sprayed with a chemical solution for wood preservation treatment containing the wood preservative / anticide. Processed. Then, in the same manner, 10 pieces of the spruce lumber (last 6 pieces) are sprayed with a chemical for wood preservation containing the wood preservative / anticide, and a total of 216 spruce lumbers are treated with the wood preservation treatment. Partially treated with a chemical solution.

  As mentioned above, in the said Examples 1-3 and the said Comparative Examples 1-3, time until it becomes the state which can take out the timber (plywood for a larch structure, spruce lumber) which carried out the chemical | medical solution << That is, in the said Examples 1-3, This is the time (hereinafter referred to as “chemical solution processing time”) from when the wood is put in and held in the wood holding container until the liquid dripping of the chemical liquid attached to the wood is cut off and the wood can be taken out of the wood holding container. And in the said Comparative Examples 1-3, it is the time (it is hereafter called "chemical solution processing time") from spraying a chemical | medical solution from where it arrange | positions a timber to a stand, and taking out a timber from the said stand and stacking it in the state which can be bundled. Was measured respectively. Then, the wood treated with the chemical solution in Examples 1-3 and Comparative Examples 1-3 (the larch structure plywood, the spruce lumber) is taken out from the wood holding container and the base, and the portion of the wood treated with the chemical solution Measure the length of the (colored part), and from the length of the part treated with the chemical solution, the maximum value of the absolute value of the excess length and the shortage length with respect to the target value standard of the chemical treatment range ( Hereinafter, “excess and deficiency of chemical treatment range” was measured. In addition, the amount of drug attached to the portion treated with the chemical solution (hereinafter referred to as “drug attached amount”) and the amount of the drug used for the chemical treatment (hereinafter referred to as “drug used amount”) are respectively shown. It was measured. The measurement results are shown in Table 1 below.

  From Table 1, (1) The chemical treatment time is 18 minutes in each of Examples 1 to 3, but is 92 minutes, 100 minutes, and 98 minutes in Comparative Examples 1, 2, and 3, respectively. Yes, and (2) The excess or deficiency of the chemical treatment range is “excess 2 cm, no deficiency”, but in Comparative Examples 1, 2 and 3, “excess 5 cm, deficiency”, “excess”, respectively. 6 cm, no shortage ”and“ excess 12 cm, deficiency 1 cm ”. Therefore, according to the wood treatment apparatus of the present invention, the depth of the wood immersed in the chemical solution for wood preservation is adjusted and the wood is used for wood preservation. It can be seen that the chemical treatment can be partially processed efficiently with a chemical solution in a short time and the treatment range of the chemical solution on the wood can be made uniform.

It is a schematic explanatory drawing of the wood processing apparatus which shows one embodiment of this invention. It is a flowchart which shows the outline | summary of the chemical | medical solution inflow / outflow control by the chemical | medical solution inflow / outflow control apparatus in the wood processing apparatus which shows one embodiment of this invention.

DESCRIPTION OF SYMBOLS 1 Immersion tank 2 Wood holding container 3 Rotating device 4 Elevating device 5 Liquid level sensor 6 Chemical liquid inflow / outflow control device 7 Chemical liquid tank 8 Chemical liquid pump 9, 10 Pipe 11 Electric cord 20 Chemical liquid height automatic adjustment device 30 Wood processing device

Claims (4)

  (B) a dipping tank in which a chemical solution for preserving wood is stored; (b) a wood holding container for holding the wood horizontally provided on the dipping tank; and (c) a vertical direction for the wood holding container. And (d) standing up from the inside of the dipping tank above the height of the dipping tank in order to partially immerse the chemical in the wood held in the wood holding container. And a lifting device for lifting and lowering the wood holding container together with the rotating device.   The wood processing apparatus according to claim 1, wherein an automatic chemical liquid height adjusting device that automatically adjusts the height of the chemical liquid in the immersion tank is provided.   The chemical liquid height automatic adjustment device detects a liquid level of the chemical liquid, and feeds back the liquid level height of the chemical liquid detected by the liquid level sensor. 3. A chemical solution inflow / outflow control device that controls the inflow and outflow of the chemical solution from the chemical solution tank to the immersion tank using a chemical solution pump so as to have a liquid level. The wood processing apparatus described in 1. (A) a step of storing a chemical for wood preservation treatment in an immersion bath;
(B) a step of holding and holding wood in a wood holding container installed horizontally on the immersion tank;
(C) a step of holding the wood in a standing state by rotating the wood holding container containing the wood in a vertical direction with a rotating device;
(D) By lowering the wood held in the standing state by using an elevating device provided so as to stand upward from the inside of the immersion bath above the height of the immersion bath, the wood is A step of immersing only a part in the chemical solution;
(E) the step of dripping the chemical solution by inverting the slanted direction while leaving the wood in the wood holding container to be separated from the liquid surface of the chemical solution; and
(F) The step of returning the wood from which the chemical solution has been dripped back to the original horizontally installed state in the wood holding container and taking out the wood,
A wood processing method characterized by comprising:

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