JP3085578U - Drying room pressure control and condensate discharge device for wood drying equipment - Google Patents

Drying room pressure control and condensate discharge device for wood drying equipment

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Publication number
JP3085578U
JP3085578U JP2001006961U JP2001006961U JP3085578U JP 3085578 U JP3085578 U JP 3085578U JP 2001006961 U JP2001006961 U JP 2001006961U JP 2001006961 U JP2001006961 U JP 2001006961U JP 3085578 U JP3085578 U JP 3085578U
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Japan
Prior art keywords
water
container
drying
drain pipe
condensate
Prior art date
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Expired - Fee Related
Application number
JP2001006961U
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Japanese (ja)
Inventor
忠芳 迫田
渉 小林
Original Assignee
九州オリンピア工業株式会社
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Abstract

(57)【要約】 【課題】 高温乾燥の木材乾燥装置において、乾燥木材
の色劣化・表面及び内層割れの抑制と熱ロス低減の手法
を得る。 【解決手段】 水面高さを変更できる堰を設けた容器1
に凝縮液排水管3の出口を容器1の水面下の位置に設
け、水面と出口の距離を任意に変えることにより乾燥室
内の圧力を任意の圧力に調整するとともに、凝縮液が乾
燥室9に溜まらないよう自動的に常時抜き出す構造にす
ることで上記課題を解決する。
(57) [Summary] [PROBLEMS] To provide a method of suppressing color deterioration, surface and inner layer cracking of dried wood, and reducing heat loss in a high temperature drying wood drying apparatus. SOLUTION: The container 1 provided with a weir that can change the water surface height.
The outlet of the condensate drain pipe 3 is provided at a position below the water surface of the container 1, and the pressure in the drying chamber is adjusted to an arbitrary pressure by arbitrarily changing the distance between the water surface and the outlet. The above-mentioned problem is solved by adopting a structure that is always automatically extracted so as not to accumulate.

Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【考案の属する技術分野】[Technical field to which the invention belongs]

本考案は、木材を乾燥する装置において、乾燥機の運転操作に係わるものであ り、詳しくは、乾燥操作中に発生する乾燥室内の圧力変動を任意の範囲に制御し 、且つ、凝縮液を随時自動的に排出する器機に関するものである。 The present invention relates to the operation of a dryer in a device for drying wood. More specifically, the present invention controls the pressure fluctuation in the drying chamber generated during the drying operation to an arbitrary range, and also removes condensate. The present invention relates to a device that automatically discharges at any time.

【0002】[0002]

【従来の技術】[Prior art]

周知のように、木材の乾燥では、湿度を調整し、温度を制御した空気を乾燥室 内で循環させながら乾燥を行うが、この温度・湿度調整に高温の水蒸気による加 熱や吹込み、および、乾燥室内への給排気が行われる。この操作のため、乾燥室 内の圧力は変動するが、この変動は給排気管に取り付けたダンパの開閉をダンパ の自重と内圧のバランスにより制御される。 As is well known, in drying wood, drying is performed while adjusting the humidity and circulating air with a controlled temperature in the drying chamber. Then, air is supplied to and exhausted from the drying chamber. Due to this operation, the pressure in the drying chamber fluctuates, but this fluctuation is controlled by the balance between the self-weight of the damper and the internal pressure of the damper attached to the supply / exhaust pipe.

【0003】 また、乾燥時に木材から排出される水分や樹液も気体であれば、給排気管から 排出されるが、凝縮した液は乾燥室床面に設けられた排水管から、定期的に手動 で排出される。[0003] In addition, if water and sap discharged from wood during drying are also gases, they are discharged from supply / exhaust pipes. Condensed liquid is periodically discharged from drain pipes provided on the floor of the drying chamber. Is discharged at

【0004】 近年、杉の柱材乾燥を中心に、乾燥経費の低減、乾燥時間の短縮のため、乾燥 温度を120℃から130℃にした水蒸気型高温乾燥装置がよく使用されている が、高温ゆえに、乾燥室内の圧力変動要因が大きくなり、凝縮水も増えている。In recent years, steam-type high-temperature drying apparatuses with a drying temperature of 120 ° C. to 130 ° C. have been frequently used, mainly for drying cedar pillars, in order to reduce the drying cost and the drying time. Therefore, the pressure fluctuation factor inside the drying chamber increases, and condensed water also increases.

【0005】[0005]

【考案が解決しようとする課題】[Problems to be solved by the invention]

給排気管に設けたダンパ自重と内圧のバランスで乾燥室内圧を制御する装置で は、乾燥室内圧を任意の圧力で自在に制御することができず、設定圧力が低いと 、蒸煮時や高温への加熱時に室外に大量の水蒸気や高温空気が排出され、熱損失 が大きくなる。また、設定圧が高いと、乾燥室構造材に大きな圧力がかかり、乾 燥室変形の原因となる。 A device installed in the supply / exhaust pipe that controls the pressure in the drying chamber based on the balance between the weight of the damper and the internal pressure cannot control the drying chamber pressure freely at any pressure. Large amounts of water vapor and high-temperature air are discharged outside the room during heating, and heat loss increases. In addition, when the set pressure is high, a large pressure is applied to the structural members of the drying chamber, which causes deformation of the drying chamber.

【0006】 高温乾燥では、蒸煮時に大量の凝縮水が生成するし、その後の乾燥過程でも木 材から水分の蒸発や樹液の流出が速い速度で起こり、凝縮液も増えるため、頻繁 な室外への排出が必要となる。そのため手動では手間がかかり、省力化にならな い。また、排出頻度を下げると、木材からでるタンニン等の凝縮液成分の影響を 受けて木材表面の色が悪くなる。[0006] In high-temperature drying, a large amount of condensed water is generated during steaming, and in the subsequent drying process, water evaporates and sap flows out of the wood at a high speed, and condensate increases. Emissions are required. Therefore, it takes time and effort manually to save labor. In addition, when the frequency of discharge is reduced, the color of the wood surface deteriorates due to the influence of condensed liquid components such as tannin from the wood.

【0007】 本考案は、上記欠点を克服し、乾燥室内圧を任意の圧力に簡単に設定・制御し 、かつ、凝縮液を連続的に室外に排出する比較的簡単な構造の装置を提供しよう とするものである。The present invention overcomes the above-mentioned drawbacks and provides a device having a relatively simple structure for easily setting and controlling the drying chamber pressure to an arbitrary pressure and continuously discharging the condensate to the outside of the room. It is assumed that.

【0008】[0008]

【課題を解決するための手段】[Means for Solving the Problems]

この目的を達成するために、本考案の装置は、水を溜めることのできる容器の 側壁に水面の位置を自在に設定できる堰を作り、この堰の高さと乾燥室床面に取 り付けた凝縮液排水管出口の容器内位置との間の水深で、乾燥室の内圧を調整し 、且つ、連続的に凝縮液も容器内に排出できる形状とした構造をもつものである 。 To achieve this purpose, the device of the present invention created a weir that can freely set the position of the water surface on the side wall of a container that can store water, and attached it to the height of this weir and the floor of the drying room. It has a structure in which the internal pressure of the drying chamber is adjusted at the water depth between the outlet of the condensate drain pipe and the inside of the container, and the condensate can be continuously discharged into the container.

【0009】[0009]

【考案の実施の形態】[Embodiment of the invention]

考案の実施の形態について図面を参照して説明する。 図1において、水の入った容器1の側壁に容器内の水位を自在に変更できる堰 2を設け、乾燥室9の床に設置した凝縮液排水管3の出口を容器の水面下にまで 差し込み、排出管出口と水面との間の距離Hで乾燥室内圧を制御する装置である 。凝縮液は凝縮液排水管を通じ、随時自動的に容器内に排出され、容器の堰を越 えて、排水溝へと流れ出る。排水管は乾燥室床面より低い位置で配管し、乾燥室 内に凝縮液が溜まらない構造にしてある。更に詳しくは、凝縮液排水管にはバル ブ7を取り付け、堰の高さを変更する時の開閉や必要に応じ堰高以上の圧力に調 整することができるようにしてある。また、排水管から排出される流体は高温の 気液のため、容器内の水が加熱され蒸発するだけでなく、排出される気体でバブ リングがおこり、気泡に同伴されて水が飛散するため、容器内の水位が低下する 。これを防ぐために常時任意量の水が供給できるよう流量調整用バルブ8の付い た給水ライン6が取り付けてある。また、飛散防止による水位低下を最少にし、 高温飛散水の付着による火傷等を防ぐため、空気抜きライン4を付けた蓋5で容 器を覆っている。 An embodiment of the invention will be described with reference to the drawings. In FIG. 1, a weir 2 capable of freely changing the water level in a container is provided on the side wall of a container 1 containing water, and the outlet of a condensate drain pipe 3 installed on the floor of a drying chamber 9 is inserted below the surface of the container. And a device for controlling the pressure in the drying chamber by the distance H between the outlet of the discharge pipe and the water surface. The condensate is automatically discharged into the container at any time through the condensate drain pipe, and flows out of the weir of the container into the drain. The drain pipe is installed below the floor of the drying room so that condensate does not accumulate in the drying room. More specifically, a valve 7 is attached to the condensate drain pipe so that opening and closing when changing the height of the weir and pressure can be adjusted to a pressure higher than the weir height if necessary. Also, since the fluid discharged from the drain pipe is a high-temperature gas-liquid, not only is the water in the container heated and evaporated, but also the discharged gas causes bubbling and water is scattered along with bubbles. , The water level in the container decreases. To prevent this, a water supply line 6 equipped with a flow control valve 8 is attached so that an arbitrary amount of water can be supplied at all times. Further, the container is covered with a lid 5 provided with an air vent line 4 in order to minimize a drop in water level due to splash prevention and to prevent burns due to adhesion of high-temperature splash water.

【0010】 図2では、水の入った容器1の中に隔壁10を設け、容器を2室に分ける。隔 壁は下部に両部屋をつなぐ穴又は空間を開け、上部は水面より高くし、排出され る気体によるバブリングでの波立ちでも大量の水が隣の部屋に流れ込まないよう にしてある。部屋の1方に水面を調整する堰2と凝縮液排水管出口を設け、その 上蓋には空気抜き管を付ける。もう一方にはボールタップのように水位により自 動開閉する給水弁11を設け、給水による水ロスを抑える構造の装置の例である 。In FIG. 2, a partition 10 is provided in a container 1 containing water, and the container is divided into two chambers. The partition has a hole or space at the bottom that connects the two rooms, and the upper part is higher than the water surface, so that a large amount of water does not flow into the next room even if the gas is discharged by bubbling due to bubbling. A weir 2 for adjusting the water level and an outlet for the condensate drainage pipe are provided in one side of the room, and an air vent pipe is attached to the upper lid. The other side is an example of an apparatus having a structure in which a water supply valve 11 that automatically opens and closes according to a water level, such as a ball tap, is provided to suppress water loss due to water supply.

【0011】 この装置は木材乾燥装置に通常取り付けられる排水用側溝のピットを利用して 製作することもできる。[0011] This device can also be manufactured using pits in drainage gutters usually attached to wood drying equipment.

【0012】[0012]

【考案の効果】[Effect of the invention]

本考案は、上述のとおり構成されているので、次に記載する効果を奏する。 Since the present invention is configured as described above, the following effects can be obtained.

【0013】 請求項1装置の取り付けにより、乾燥室から常時凝縮液が取り除かれるため、 樹脂等で生じる乾燥材の色劣化を最少に抑えることができる。[0013] Since the condensed liquid is constantly removed from the drying chamber by installing the apparatus, it is possible to minimize the color deterioration of the drying material caused by the resin or the like.

【0014】 乾燥室内を任意の圧力に簡単で安全に制御できるため、加熱・加湿時の熱の室外 排出を抑えられ、乾燥に要する経費の節減が図れるとともに、木材表面及び内層 部の割れ抑制につながる。[0014] Since the drying chamber can be easily and safely controlled to an arbitrary pressure, heat outside of the heating and humidification can be suppressed, the cost required for drying can be reduced, and cracks on the wood surface and the inner layer can be suppressed. Connect.

【0015】 この装置により、乾燥室内を任意の圧力範囲で加圧・減圧ができるため、木材 からの水分・樹脂等の排出促進による乾燥時間の短縮が図れる。[0015] With this apparatus, the drying chamber can be pressurized and depressurized within an arbitrary pressure range, so that the drying time can be reduced by promoting the discharge of moisture, resin, and the like from wood.

【0016】 請求項目2により、容器内の水位低下を最少に抑え、給水量を少なくするとと もに、熱水飛散による火傷等からの安全が図れる。According to the second aspect of the present invention, the water level in the container is prevented from lowering to a minimum, and the amount of supplied water is reduced.

【0017】 請求項目3により、容器内の水位維持のために必要な水の垂れ流しがなくなり 、乾燥に要する経費の節減が図れる。According to the third aspect of the present invention, the water required for maintaining the water level in the container does not run off, and the cost required for drying can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この考案に係わる乾燥室内圧制御及び凝縮液排
出装置を取り付けた状態の例を説明する図面である。
FIG. 1 is a diagram illustrating an example of a state in which a drying room pressure control and a condensate discharge device according to the present invention are attached.

【図2】これは、乾燥室内圧制御及び凝縮液排出装置に
自動給水弁を取り付けた例を説明する図面である。
FIG. 2 is a diagram illustrating an example in which an automatic water supply valve is attached to a drying chamber pressure control and condensate discharge device.

【符号の説明】[Explanation of symbols]

1 容器 2 可変堰 3 凝縮液排出管 4 空気抜き管 5 上蓋 6 給水管 7 バルブ 8 給水調整用バルブ 9 乾燥室 10 隔壁 11 ボールタップ型自動給水弁 DESCRIPTION OF SYMBOLS 1 Container 2 Variable weir 3 Condensate discharge pipe 4 Air vent pipe 5 Top lid 6 Water supply pipe 7 Valve 8 Water supply adjustment valve 9 Drying room 10 Partition wall 11 Ball tap type automatic water supply valve

Claims (3)

【実用新案登録請求の範囲】[Utility model registration claims] 【請求項1】 木材乾燥に供する装置において、乾燥に
必要な温度・湿度を得るために加熱・加湿を行うが、こ
れによる乾燥室内の圧力変化を任意の値に制御すると共
に、加湿時の吹き込み蒸気や乾燥材から出る水分・樹液
の凝縮液を自動的に室外に排出するために、乾燥室の床
に設けた排水管を室外の排水溝に設けたピットまたはそ
れに類似した機能を有する容器に導き、排水管の出口を
容器の水面下に設け、排水管出口からの水面までの水位
を任意に変えることにより圧力を任意に制御できると同
時に凝縮液を随時自動的に排出する装置。
In a device for drying wood, heating and humidification are performed in order to obtain a temperature and a humidity required for drying. A pressure change in the drying chamber due to the heating and humidification is controlled to an arbitrary value. In order to automatically discharge the condensate of water and sap from steam and drying materials to the outside of the room, the drain pipe provided on the floor of the drying room is installed in a pit provided in the outdoor drain or a container with a similar function. A device that guides and sets the outlet of the drain pipe below the water surface of the container, and can freely control the pressure by arbitrarily changing the water level from the outlet of the drain pipe to the water surface, and automatically discharges the condensate at any time.
【請求項2】 請求項目1において、乾燥室内の高温気
体が排水管を通り容器から排出されるが、このとき、容
器内の水が気泡に同伴され容器外に飛び出すため、これ
による高温水滴の飛散を最少にし、火傷等からの安全を
図る目的で容器上部に空気抜きの排気管を設けた蓋を被
せるとともに、加熱された水の蒸発にともなう水位低下
を補うため給水設備を設けた装置。
2. In claim 1, the hot gas in the drying chamber is discharged from the container through the drain pipe. At this time, the water in the container is entrained by air bubbles and jumps out of the container. A device that covers the upper part of the container with a lid that has an air vent for the purpose of minimizing scattering and safety from burns, etc., and is equipped with a water supply system to compensate for the drop in water level due to evaporation of the heated water.
【請求項3】 請求項目2において、液面低下に見合う
だけの給水ができるよう、容器内に下部を互いに通じる
よう穴をあけた隔壁を設け、一方に凝縮液排水管出口、
もう一方に給水管を設け、給水管には水面レベル維持に
必要なだけ水を供給できるボールタップのような自動弁
を付けた装置。
3. A container according to claim 2, wherein a hole is formed in the container so that the lower portions communicate with each other so that water can be supplied so as to correspond to the lowering of the liquid level.
A device equipped with a water supply pipe on the other side and an automatic valve such as a ball tap that can supply water as needed to maintain the water surface level.
JP2001006961U 2001-10-25 2001-10-25 Drying room pressure control and condensate discharge device for wood drying equipment Expired - Fee Related JP3085578U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001006961U JP3085578U (en) 2001-10-25 2001-10-25 Drying room pressure control and condensate discharge device for wood drying equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001006961U JP3085578U (en) 2001-10-25 2001-10-25 Drying room pressure control and condensate discharge device for wood drying equipment

Publications (1)

Publication Number Publication Date
JP3085578U true JP3085578U (en) 2002-05-10

Family

ID=43237017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001006961U Expired - Fee Related JP3085578U (en) 2001-10-25 2001-10-25 Drying room pressure control and condensate discharge device for wood drying equipment

Country Status (1)

Country Link
JP (1) JP3085578U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007147191A (en) * 2005-11-29 2007-06-14 Shinshiba Setsubi:Kk Resin trap in lumber drying room
JP2016519014A (en) * 2013-05-24 2016-06-30 ウーアーベー“グリゴ” Manufacturing method of Bog (black) oak

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007147191A (en) * 2005-11-29 2007-06-14 Shinshiba Setsubi:Kk Resin trap in lumber drying room
JP2016519014A (en) * 2013-05-24 2016-06-30 ウーアーベー“グリゴ” Manufacturing method of Bog (black) oak

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