JP2012025213A - Storage case, carriage, and immersion type membrane separation device - Google Patents

Storage case, carriage, and immersion type membrane separation device Download PDF

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JP2012025213A
JP2012025213A JP2010163502A JP2010163502A JP2012025213A JP 2012025213 A JP2012025213 A JP 2012025213A JP 2010163502 A JP2010163502 A JP 2010163502A JP 2010163502 A JP2010163502 A JP 2010163502A JP 2012025213 A JP2012025213 A JP 2012025213A
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frame
posture
storage case
plate
membrane
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JP5627324B2 (en
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Masaya Kobayashi
正弥 小林
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KUBOTA MEMBRANE KK
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B43/00—Cabinets, racks or shelf units, characterised by features enabling folding of the cabinet or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
    • A47F7/0042—Show stands, hangers, or shelves, adapted for particular articles or materials for flat articles, e.g. panels, tiles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B2031/004—Service or tea tables, trolleys, or wagons having four vertical uprights

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  • Handcart (AREA)
  • Package Frames And Binding Bands (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a storage case capable of stably holding many pieces of plate-like objects for transportation.SOLUTION: A storage case 1 includes a front frame 10 and a rear frame 20 in which a holding part 15, for holding a plurality of pieces of plate-like objects from both sides, is installed, and a pair of side frames 30 connected turnably with a turning shaft 19 in perpendicular posture, on both sides of the front frame 10 and the rear frame 20. A storage posture or a folded posture is selectable. In the storage posture, respective frames are so turned as to be rectangular in plan view so that respective plate-like objects are stored almost in a perpendicular posture along the holding part 15. In the folded posture, the frames are so turned as the front frame 10 and the rear frame 20 face the side frame 30. A posture fixing mechanism 40 is so provided that, in the storage posture, the front frame 10 and the rear frame 20 as well as the pair of side frames 30 are arranged to overlap each other in the region containing a fitting part of the turning shaft 19, and the storage posture is held in the overlapping region other than the fitting part.

Description

本発明は、複数枚の板状物を収納する収納ケース、搬送台車および浸漬型膜分離装置に関する。   The present invention relates to a storage case for storing a plurality of plate-like objects, a transport carriage, and a submerged membrane separator.

特許文献１に記載されているように、汚水中の汚泥などの固形分を含んだ被処理水から分離膜を透過した処理水を得る浸漬型膜分離装置は、ケーシング本体に複数枚の平板状の膜エレメントが配設され、散気装置によってその下方より膜面が気体で散気洗浄されるように構成されている。このような浸漬型膜分離装置には、一台当たり例えば１０〜２００枚の膜エレメントが使用され、大規模な汚水処理設備では、当該浸漬型膜分離装置が複数台設置されている。   As described in Patent Document 1, an immersion type membrane separation apparatus that obtains treated water that has permeated a separation membrane from water to be treated containing solids such as sludge in sewage has a plurality of flat plate-like shapes on a casing body. The membrane element is disposed, and the membrane surface is diffused and cleaned with gas from below by a diffuser. In such a submerged membrane separator, for example, 10 to 200 membrane elements are used per unit, and a plurality of submerged membrane separators are installed in a large-scale sewage treatment facility.

浸漬型膜分離装置では、処理槽の水頭差や、膜エレメントに接続された吸引ポンプによる吸引圧によって、処理槽内の被処理水が膜エレメントにより重力ろ過または吸引ろ過されることにより、膜エレメントの膜面を透過した透過液が処理水として集水管を通じて槽外へ導出される。このとき、散気装置から噴出される曝気空気の気泡およびそれにより生起される上昇流によって膜エレメントの膜面が洗浄されることにより膜分離性能の低下が抑制され、膜分離装置が機能不全に到ることが防止される。   In the submerged membrane separation device, the water to be treated in the treatment tank is subjected to gravity filtration or suction filtration by the membrane element due to the water head difference of the treatment tank or the suction pressure by the suction pump connected to the membrane element. The permeated liquid that has passed through the membrane surface is led out of the tank through the water collecting pipe as treated water. At this time, the membrane surface of the membrane element is washed by the bubbles of the aerated air ejected from the diffuser and the upward flow generated thereby, thereby suppressing the deterioration of the membrane separation performance, resulting in the malfunction of the membrane separation device. It is prevented from reaching.

しかし、膜エレメントの膜面に経時的に形成されるファウリング層により、ろ過抵抗が増大するため、ある程度の継続的使用によって膜透過流束が低下する。このため、一定期間毎、例えば数カ月に一度膜エレメントが引き上げられ、機械、または人手によって洗浄が行なわれる。さらに、膜分離性能がある程度低下する数年単位、例えば３年から７年毎に膜エレメントが交換される。   However, since the fouling layer formed on the membrane surface of the membrane element with time increases the filtration resistance, the membrane permeation flux decreases with a certain degree of continuous use. For this reason, the membrane element is pulled up once every certain period, for example, several months, and cleaned by a machine or by hand. Further, the membrane element is replaced every several years, for example, every 3 to 7 years when the membrane separation performance is deteriorated to some extent.

また、浸漬型膜分離装置の稼動中に、被処理水に混入した異物等により分離膜が破れるなどして膜エレメントが破損した場合には、その都度、破損した膜エレメントが個別に交換される。   In addition, when the membrane element is damaged during operation of the submerged membrane separator due to the separation membrane being broken by foreign matters mixed in the water to be treated, the damaged membrane element is replaced individually each time. .

工場で製造された交換用の膜エレメントは、物流過程等で分離膜表面が破損しないように、数枚例えば５枚ずつ合紙を挟んでダンボール箱に梱包された状態で汚水処理設備に搬入される。   The replacement membrane element manufactured at the factory is carried into the sewage treatment facility in a state of being packed in cardboard boxes with 5 sheets of interleaving paper, for example, 5 sheets each so that the surface of the separation membrane is not damaged during the distribution process. The

ところで、特許文献２には、保管および搬送時の占有スペースを小さくすることのできるリネンワゴンを提供することを目的として、車輪取付け板と、該車輪取付け板に取付けられた車輪と、前記車輪取付け板から鉛直に立設された左右一対の側枠部と、該側枠部の下端近傍に配設された底枠部と、前記左右の側枠部を連結する自在アーム部材とを備えたリネンワゴンであって、前記底枠部は、中央および側枠部との連結部に蝶番を有すると共に中央部で折曲自在に構成されたことを特徴とするリネンワゴンが開示されている。   By the way, Patent Document 2 discloses a wheel mounting plate, a wheel mounted on the wheel mounting plate, and the wheel mounting for the purpose of providing a linen wagon that can reduce the occupied space during storage and transportation. A linen provided with a pair of left and right side frame portions erected vertically from a plate, a bottom frame portion disposed in the vicinity of the lower end of the side frame portion, and a free arm member that connects the left and right side frame portions. A linen wagon is disclosed, characterized in that the bottom frame part has a hinge at a connection part between the center and the side frame part and can be bent at the center part.

また、特許文献３には、側枠が過度に開放されないようにして、事故の発生を未然に防ぐことができる安全性に優れた商品展示兼手動運搬車を提供することを目的として、枠体と、この枠体に掛けられる棚と、枠体の下部に取付けられたキャスタとを具備し、枠体は、後枠と、この後枠に連結された両側枠とを具備し、両側枠のそれぞれは、後枠に固着された後部半側枠と、この後部半側枠にヒンジ連結部を介して回転自在に連結された前部半側枠とを具備し、ヒンジ連結部は、後部半側枠に対する前部半側枠の一定以上の開放回動を禁止する禁止手段を有している商品展示兼手動運搬車が開示されている。   Further, Patent Document 3 discloses a frame body for the purpose of providing a product display and manual transport vehicle excellent in safety capable of preventing the occurrence of an accident by preventing the side frame from being excessively opened. And a shelf hung on the frame, and a caster attached to the lower part of the frame. The frame includes a rear frame and both side frames connected to the rear frame. Each includes a rear half side frame fixed to the rear frame, and a front half side frame rotatably connected to the rear half side frame via a hinge connecting portion. There is disclosed a product display and manual transport vehicle having prohibiting means for prohibiting the opening and turning of the front half side frame beyond a certain level with respect to the side frame.

特開２００１―３３４１３０号公報Japanese Patent Laid-Open No. 2001-334130 特開２００４―１３０９３２号公報JP 2004-130932 A 登録実用新案第３０２１４７７号公報Registered Utility Model No. 3021477

トラック等の搬送車両で汚水処理設備に搬入された膜エレメントの梱包品は、作業員によって搬送車両から台車に移載されて作業場に搬送され、手作業で開梱された後、個々の膜エレメントが取り出され、浸漬型膜分離装置に装着される。   Membrane element packages delivered to the sewage treatment facility by a truck or other transport vehicle are transferred from the transport vehicle to the carriage by a worker, transported to the work place, and unpacked manually, and then individually loaded with the individual membrane elements. Is taken out and attached to the submerged membrane separator.

しかし、このような開梱作業や浸漬型膜分離装置への装着のための移送作業に際して、作業者は、膜エレメントが破損しないように注意深く作業を進める必要があり、その数が増えると非常に煩雑な作業になるという問題があった。   However, in such unpacking work and transfer work for mounting on a submerged membrane separation device, the operator needs to proceed carefully so as not to damage the membrane element. There was a problem that it was a complicated task.

さらに、開梱後に残る多量の梱包材を廃棄処理すると非常に無駄が多く、省資源化の流れに反することとなり、梱包材を再資源化する場合であっても、そのための回収、搬送作業を伴なうため、そのための費用が発生する。そのため、多数の膜エレメントを一括して梱包すれば、梱包材の使用量を低減できるようになるが、重量が増して運搬、開梱等の作業の安全性を損なう虞もある。   Furthermore, if a large amount of packaging material remaining after unpacking is disposed of, it is very wasteful, which is contrary to the flow of resource saving, and even when the packaging material is recycled, collection and transportation work for that purpose is not possible. Therefore, there is a cost for that. Therefore, if a large number of membrane elements are packed together, the amount of packing material used can be reduced. However, there is a possibility that the weight increases and the safety of operations such as transportation and unpacking may be impaired.

そこで、多数の膜エレメントを個別に梱包しなくとも、膜表面が破損する等の事故が発生しないように、安全に運搬作業や装着作業が行なえるような運搬用の収納ケースが望まれていた。   Therefore, there is a need for a storage case that can be transported and installed safely so that accidents such as damage to the membrane surface do not occur without individually packing a number of membrane elements. .

上述した特許文献２に記載されたようなリネンワゴンは、未使用時に折り畳みコンパクトに保管できるのであるが、洗濯物のような軽量かつ不定形のもので、容易に破損しない繊維製品等を搬送することを目的として収納部が構成されているため、膜エレメント等、一定の形を有し、接触により破損し易い板状物を多数枚同時に安定姿勢で収納することが非常に困難である。   The linen wagon described in the above-mentioned Patent Document 2 can be folded and stored compactly when not in use, but conveys a fiber product or the like that is lightweight and indefinite like a laundry and does not easily break. Since the storage portion is configured for this purpose, it is very difficult to simultaneously store a large number of plate-like objects, such as membrane elements, which have a certain shape and are easily damaged by contact, in a stable posture.

また、特許文献３に記載されたような商品展示兼手動運搬車は、枠体に掛けられる棚に商品を載置して展示することを目的とするものであり、膜エレメント等の板状物を安定姿勢で保持できる構成ではなく、上述と同様に、接触により破損し易い板状物を多数枚同時に安定姿勢で収納することが困難である。   In addition, the product display and manual transport vehicle described in Patent Document 3 is intended to place and display products on a shelf that is hung on a frame, and a plate-like object such as a membrane element. In the same manner as described above, it is difficult to simultaneously store a large number of plate-like objects that are easily damaged by contact in a stable posture.

本発明の目的は、上述した問題点に鑑み、搬送のために多数枚の板状物を同時に安定して保持できる収納ケース、搬送台車および浸漬型膜分離装置を提供する点にある。   In view of the above-described problems, an object of the present invention is to provide a storage case, a transport carriage, and a submerged membrane separation apparatus that can stably and stably hold a large number of plate-like objects for transport.

上述の目的を達成するため、本発明による収納ケースの第一特徴構成は、特許請求の範囲の請求項１に記載した通り、複数枚の板状物を収納する収納ケースであって、各板状物の側縁部を両側から保持する一対の保持部が設置された前フレームおよび後フレームと、前記前フレームおよび後フレームの両側方で、それぞれ鉛直姿勢の回動軸で回動可能に連結された一対のサイドフレームとが立設され、平面視で矩形となるように各フレームを回動させ、各板状物を前記保持部に沿って略鉛直姿勢で収納する収納姿勢と、前記前フレームおよび後フレームが前記サイドフレームと対向するように各フレームを回動させた折畳み姿勢との間で姿勢切替自在に構成され、前記収納姿勢で前記前フレームおよび後フレームと前記一対のサイドフレームとが、前記回動軸の取付部を含む領域で重畳するように配置され、当該取付部以外の重畳領域に前記収納姿勢を保持する姿勢固定機構が設けられている点にある。   In order to achieve the above-described object, the first characteristic configuration of the storage case according to the present invention is a storage case for storing a plurality of plate-like objects as described in claim 1 of the claims. A front frame and a rear frame in which a pair of holding parts for holding the side edges of the shaped object from both sides are installed, and both sides of the front frame and the rear frame are connected to each other so as to be rotatable with a vertical rotation shaft. A pair of side frames that are erected, rotate each frame so as to be rectangular in plan view, and store each plate-like object in a substantially vertical position along the holding portion; The front and rear frames and the pair of side frames are configured to be switchable between a folding posture in which each frame is rotated so that the frame and the rear frame face the side frames. But the disposed so as to overlap with a region including a mounting portion of the pivot shaft, in that the posture fixing mechanism for holding the retracted position to the overlapping region other than the mounting portion.

上述の構成によれば、回動軸周りに各フレームが回動され、収納姿勢に展開された状態で、前フレームおよび後フレームに設置された一対の保持部が対向姿勢となり、各板状物の側縁部が保持部で保持されて略鉛直姿勢で収納されることによって、板状物同士が接触して破損することもなく、重量が増しても多数枚の板状物を安定的に収納して搬送できるようになる。   According to the above-described configuration, in a state where each frame is rotated around the rotation axis and deployed in the storage posture, the pair of holding portions installed in the front frame and the rear frame are in the opposite posture, and each plate-like object The side edges of the plate are held by the holding unit and stored in a substantially vertical posture, so that the plate-like objects do not come into contact with each other and are damaged, and even when the weight increases, a large number of plate-like objects can be stably It can be stored and transported.

搬送先では、各板状物を保持部に沿って収納ケースから上方に引き上げることによって、容易に取り出すことができ、取り出した後に回動軸周りに各フレームが回動されると、収納ケースをコンパクトな折畳み姿勢で保管できるようになる。   At the transport destination, each plate-like object can be easily removed by pulling it upward from the storage case along the holding portion. It can be stored in a compact folded position.

そして、前フレームおよび後フレームと一対のサイドフレームとが重畳する領域に回動軸が取り付けられ、収納姿勢に展開された状態で当該回動軸の取付部以外の重畳領域、つまり回動軸と離隔した領域に姿勢固定機構が設けられ、当該回動軸と干渉することがないので、簡単な構造の姿勢固定機構を採用することができるばかりか、姿勢固定機構が回動軸と離隔した領域に取り付けられることによって、回動軸周りの回動を強い力で阻止する保持力を得ることができる。その結果、板状物が収納された後に、運搬或は搬送中に収納ケースが衝撃を受ける場合であっても、板状物の収納姿勢を損なうことなく安定した収納状態を維持することができるようになる。   Then, the rotating shaft is attached to the region where the front frame and the rear frame overlap with the pair of side frames, and in the state where the rotating shaft is deployed in the storage position, the overlapping region other than the attaching portion of the rotating shaft, that is, the rotating shaft Since the posture fixing mechanism is provided in a separated area and does not interfere with the rotating shaft, not only can the posture fixing mechanism with a simple structure be adopted, but also the region where the posture fixing mechanism is separated from the rotating shaft. As a result, it is possible to obtain a holding force that prevents the rotation around the rotation axis with a strong force. As a result, a stable storage state can be maintained without impairing the storage posture of the plate-shaped object even when the storage case is subjected to an impact during transportation or conveyance after the plate-shaped object is stored. It becomes like this.

同第二の特徴構成は、同請求項２に記載した通り、上述の第一特徴構成に加えて、前記前フレームおよび後フレームに、横梁と前記横梁の両端に設けられた延出部とからなる平面視コの字形の連結部が設けられ、前記収納姿勢で当該延出部と前記サイドフレームに備えた横梁の端部とが上下に重畳するように配置され、当該重畳領域に前記回動軸および前記姿勢固定機構が設けられている点にある。   As described in the second aspect, in addition to the first characteristic configuration described above, the second characteristic configuration includes, on the front frame and the rear frame, a horizontal beam and extending portions provided at both ends of the horizontal beam. The U-shaped connecting portion is provided in a plan view, and is arranged so that the extending portion and the end portion of the cross beam provided in the side frame are vertically overlapped in the storage posture, and the rotation is performed in the overlapping region. The shaft and the posture fixing mechanism are provided.

上述の構成によれば、前フレームおよび後フレームに備えた平面視コの字形の連結部の端部である延出部で、サイドフレームに備えた横梁の端部が重畳するように構成され、当該重畳領域に回動軸および姿勢固定機構が設けられているので、前フレームおよび後フレームとサイドフレームとを対向させるように各フレームを回動させた折畳み姿勢で、前フレームおよび後フレームとサイドフレームとの対向部が接触することなく離隔した状態を維持することができ、その結果、サイドフレームと保持部との接触が回避でき、保持部が破損するような事故を未然に回避できるようになる。   According to the above-described configuration, the extending portion which is the end portion of the U-shaped connecting portion in plan view provided in the front frame and the rear frame is configured such that the end portions of the cross beams provided in the side frame are overlapped, Since the rotation axis and the posture fixing mechanism are provided in the overlapping region, the front frame, the rear frame, and the side are in a folded posture in which each frame is rotated so that the front frame, the rear frame, and the side frame face each other. It is possible to maintain the state where the facing part of the frame is separated without contact, and as a result, contact between the side frame and the holding part can be avoided, and accidents such as damage to the holding part can be avoided in advance. Become.

同第三の特徴構成は、同請求項３に記載した通り、上述の第二特徴構成に加えて、前記折畳み姿勢で前記前フレームまたは後フレームと前記サイドフレームとが所定距離だけ離隔するように、前記延出部に前記回動軸が設けられている点にある。   In the third feature configuration, in addition to the second feature configuration described above, the front frame or the rear frame and the side frame are separated from each other by a predetermined distance in the folded posture. The rotating shaft is provided in the extending portion.

上述の構成によれば、延出部には、折畳み姿勢で前フレームまたは後フレームとサイドフレームとが所定距離だけ離隔するように、調整された位置に回動軸が設けられているので、前フレームまたは後フレームとサイドフレームとが対向する折畳み姿勢で、前フレームまたは後フレームとサイドフレームとの接触を確実に回避しながらも、延出部の長さを極力短くして、収納ケースの折畳み姿勢での占有スペースを極めてコンパクトにすることができる。   According to the above-described configuration, the extending portion is provided with the pivot shaft at the adjusted position so that the front frame or the rear frame and the side frame are separated by a predetermined distance in the folded posture. Folding the storage case with the folding position where the frame or the rear frame and the side frame face each other, while avoiding contact with the front frame or the rear frame and the side frame, while minimizing the length of the extension. The occupied space in the posture can be made extremely compact.

同第四の特徴構成は、同請求項４に記載した通り、上述の第一から第三の何れかの特徴構成に加えて、前記前フレームおよび後フレームのうち、前記保持部の下部に前記保持部に沿って収納された板状物を弾性支持する緩衝部材が設けられている点にある。   In the fourth feature configuration, as described in claim 4, in addition to any of the first to third feature configurations described above, among the front frame and the rear frame, the lower portion of the holding portion There exists a buffer member which elastically supports the plate-shaped object accommodated along the holding | maintenance part.

上述の構成によれば、板状物の下端が緩衝部材によって弾性支持されるため、保持部に側縁部が保持された状態で板状物が収納部に落下しても、板状物の衝撃による破損を回避することができ、搬送中に収納ケースに加わる振動によって板状物が加振されることによる損傷を回避することができる。さらには、緩衝部材を設けることにより、保持部に側縁部が保持された状態で板状物を収納部に落下させるように収容することも可能になり、収納作業を軽減できるようにもなる。   According to the above-described configuration, since the lower end of the plate-like object is elastically supported by the buffer member, even if the plate-like object falls to the storage part with the side edge held by the holding part, Damage due to impact can be avoided, and damage due to vibration of the plate-like object caused by vibration applied to the storage case during conveyance can be avoided. Furthermore, by providing the buffer member, it is possible to accommodate the plate-like object so as to drop into the accommodating portion in a state where the side edge portion is retained by the retaining portion, and the storage work can be reduced. .

同第五の特徴構成は、同請求項５に記載した通り、上述の第一から第四の何れかの特徴構成に加えて、前記保持部は、各板状物の側縁部を板厚方向に所定間隔で保持する複数の案内溝が形成されている点にある。   In the fifth feature configuration, as described in claim 5, in addition to any one of the first to fourth feature configurations described above, the holding portion has a plate thickness at a side edge portion of each plate-like object. A plurality of guide grooves that are held at predetermined intervals in the direction are formed.

上述の構成によれば、各板状物の側縁部は、案内溝によって板厚方向に夫々所定間隔をもって保持されるため、板状物同士の接触による破損の虞がなくなる。   According to the above-described configuration, the side edge portions of the plate-like objects are held at predetermined intervals in the plate thickness direction by the guide grooves, thereby eliminating the possibility of damage due to contact between the plate-like objects.

同第六の特徴構成は、同請求項６に記載した通り、上述の第一から第五の何れかの特徴構成に加えて、前記板状物が、平板状のろ板の表面に分離膜を備えた膜分離装置に用いられる膜エレメントである点にある。   In the sixth feature configuration, as described in claim 6, in addition to any of the first to fifth feature configurations described above, the plate-like material is separated on the surface of a flat filter plate. It is in the point which is a membrane element used for the membrane separator provided with.

上述の構成によれば、膜エレメントを、収納ケースに安定して収納できるので、分離膜の破損の虞を低減できる。   According to the above-described configuration, the membrane element can be stably stored in the storage case, so that the possibility of damage to the separation membrane can be reduced.

本発明による搬送台車の特徴構成は、同請求項７に記載した通り、上述の第一から第六の何れかの特徴構成を備えた収納ケースと、前記収納ケースの底部に固定され、前記収納ケースを床面に沿って移動させる移動機構とを備えている点にある。   As described in claim 7, the characteristic configuration of the transport carriage according to the present invention is a storage case having any one of the first to sixth characteristic configurations described above, and is fixed to the bottom of the storage case, and And a moving mechanism for moving the case along the floor surface.

上述の構成によれば、搬送台車は、収納ケースの底部に固定された移動機構により、多数枚の板状物を同時に安定して保持した状態で搬送することができる。   According to the above-described configuration, the transport cart can transport a large number of plate-like objects while being stably held at the same time by the moving mechanism fixed to the bottom of the storage case.

本発明による浸漬型膜分離装置の特徴構成は、同請求項８に記載した通り、上述の第一から第五の何れかの特徴構成を備えた収納ケースと、平板状のろ板の表面に分離膜を備えた複数枚の膜エレメントとを備え、前記収納姿勢で前記板状物として前記膜エレメントを収納した状態で処理水槽に浸漬配置される点にある。   The characteristic configuration of the submerged membrane separation apparatus according to the present invention is as described in claim 8 on the surface of the storage case having any one of the first to fifth characteristic configurations described above and the flat filter plate. And a plurality of membrane elements each including a separation membrane, and is immersed in a treatment water tank in a state where the membrane elements are stored as the plate-like material in the storage posture.

上述の構成によれば、収納ケースに、板状物として平板上のろ板の表面に分離膜を備えた膜エレメントを複数枚収納した状態で処理水槽に浸漬配置することで、浸漬型膜分離装置となる。膜エレメントを交換する際は、収納ケースごと交換すればよいため、膜エレメントの交換作業のための浸漬型膜分離装置の停止時間を短くすることができる。   According to the above-described configuration, the submerged membrane separation is performed by immersing the storage case in the treated water tank in a state in which a plurality of membrane elements each having a separation membrane are stored on the surface of the filter plate on the flat plate as a plate-like object. It becomes a device. When replacing the membrane element, it is only necessary to replace the entire storage case, so that the stop time of the submerged membrane separation apparatus for the replacement operation of the membrane element can be shortened.

以上説明した通り、本発明によれば、搬送のために多数枚の板状物を同時に安定して保持できる収納ケース、搬送台車および浸漬型膜分離装置を提供することができるようになった。   As described above, according to the present invention, it is possible to provide a storage case, a transport carriage, and a submerged membrane separation apparatus that can stably and simultaneously hold a large number of plate-like objects for transport.

本発明による収納ケースの説明図Explanatory drawing of the storage case by this invention 収納姿勢の説明図Illustration of storage posture 折畳み姿勢の説明図Illustration of folding posture （ａ）は収納ケースの収納姿勢の説明図、（ｂ）は収納ケースの折畳み姿勢の説明図、（ｃ）は別実施形態による収納ケースの収納姿勢の説明図、（ｄ）は別実施形態による収納ケースの折畳み姿勢の説明図(A) is explanatory drawing of the storage posture of a storage case, (b) is explanatory drawing of the folding posture of a storage case, (c) is explanatory drawing of the storage posture of the storage case by another embodiment, (d) is another embodiment. Explanatory drawing of folding posture of storage case by （ａ）は後フレームの一部断面斜視図、（ｂ）は延出部の説明図(A) is a partial cross-sectional perspective view of a rear frame, (b) is explanatory drawing of an extension part. （ａ）は姿勢固定機構の説明図、（ｂ）はサイドフレームの一部断面斜視図(A) is explanatory drawing of an attitude | position fixing mechanism, (b) is a partial cross section perspective view of a side frame. （ａ）は別実施形態の説明図、（ｂ）は別実施形態の説明図(A) is explanatory drawing of another embodiment, (b) is explanatory drawing of another embodiment.

以下、本発明による収納ケース、搬送台車および浸漬型膜分離装置の実施形態を説明する。   Hereinafter, embodiments of a storage case, a transport carriage, and a submerged membrane separator according to the present invention will be described.

図１に示すように、収納ケース１は、板状物としての浸漬型膜分離装置に用いられる膜エレメント２の側縁部を両側から保持する一対の保持部１５が設置された前フレーム１０および後フレーム２０と、前フレーム１０および後フレーム２０の両側方で、それぞれ鉛直姿勢の回動軸１９で回動可能に連結された一対のサイドフレーム３０とが立設されている。   As shown in FIG. 1, the storage case 1 includes a front frame 10 provided with a pair of holding parts 15 that hold side edges of a membrane element 2 used in a submerged membrane separation device as a plate-like object from both sides, and On the both sides of the front frame 10 and the rear frame 20, a pair of side frames 30 that are rotatably connected to each other by a rotary shaft 19 in a vertical posture are erected.

収納ケース１は、図２，４（ａ）に示すように、平面視で矩形となるように各フレームを回動させ、膜エレメント２を保持部１５に沿って略鉛直姿勢で収納する収納姿勢と、図３，図４（ｂ）に示すように、前フレーム１０および後フレーム２０がサイドフレーム３０と対向するように各フレームを回動させた折畳み姿勢との間で姿勢切替自在に構成されている。   As shown in FIGS. 2 and 4A, the storage case 1 rotates each frame so as to be rectangular in plan view, and stores the membrane element 2 in a substantially vertical position along the holding portion 15. 3 and 4 (b), the posture can be switched between a folded posture in which each frame is rotated so that the front frame 10 and the rear frame 20 face the side frame 30. ing.

膜エレメント２は、ＡＢＳ樹脂等を素材とする平板状のろ板３の表面に分離膜４を備え、ろ板３と分離膜４との間、およびろ板３の内部に透過液流路が形成され、上縁部に、透過液流路に連通する透過液取出口５と、膜エレメント２を吊上げる係止部６が突出形成されている。   The membrane element 2 includes a separation membrane 4 on the surface of a flat filter plate 3 made of ABS resin or the like, and a permeate flow path is provided between the filter plate 3 and the separation membrane 4 and inside the filter plate 3. At the upper edge portion, a permeate outlet 5 communicating with the permeate flow path and a locking portion 6 for lifting the membrane element 2 are formed protrudingly.

まず、収納ケース１の前フレーム１０および後フレーム２０について説明する。なお、前フレーム１０と後フレーム２０の各部は同一の構成であるので、夫々同一の符号を付し、前フレーム１０と後フレーム２０の一方について説明し、他方については説明を省略する。   First, the front frame 10 and the rear frame 20 of the storage case 1 will be described. In addition, since each part of the front frame 10 and the back frame 20 is the same structure, it attaches | subjects the same code | symbol, respectively, demonstrates one side of the front frame 10 and the back frame 20, and abbreviate | omits description about the other.

図２に示すように、前フレーム１０は、横梁１１，１２，１３と、一対の縦柱１４を備え、横梁１１，１２，１３の各両端は一対の縦柱１４に溶接され固定されている。前フレーム１０を構成する部材は、強度と耐食性の観点からステンレス製の等辺山形鋼が好ましく用いられる。   As shown in FIG. 2, the front frame 10 includes horizontal beams 11, 12, 13 and a pair of vertical columns 14, and both ends of the horizontal beams 11, 12, 13 are welded and fixed to the pair of vertical columns 14. . As a member constituting the front frame 10, a stainless steel equilateral angle steel is preferably used from the viewpoint of strength and corrosion resistance.

保持部１５は、ボルトとナット（図示せず）等の固定機構により前フレーム１０の横梁１１，１２，１３に固定されている。   The holding part 15 is fixed to the horizontal beams 11, 12, 13 of the front frame 10 by a fixing mechanism such as a bolt and a nut (not shown).

保持部１５の表面には収納される各膜エレメント２の側縁部を板厚方向に所定間隔で保持する複数の案内溝１５ａが形成されている。膜エレメント２の側縁部は、案内溝１５ａによって板厚方向に夫々所定間隔をもって保持されるため、膜エレメント２同士の接触による分離膜４等の破損の虞がなくなるのである。   A plurality of guide grooves 15a are formed on the surface of the holding portion 15 to hold the side edge portions of the membrane elements 2 to be accommodated at predetermined intervals in the plate thickness direction. Since the side edge portions of the membrane element 2 are held at predetermined intervals in the plate thickness direction by the guide grooves 15a, there is no possibility of damage to the separation membrane 4 or the like due to contact between the membrane elements 2.

保持部１５は、収納される膜エレメント２の破損を防ぐため、ポリ塩化ビニル等の樹脂素材の押出成形によって得られ、保持溝１５ａは、収納した膜エレメント２が板厚方向にガタつかない程度、かつ、膜エレメント２の収納および取り出しがスムーズに行なえる程度に、膜エレメント２の側縁部の厚みより僅かに幅広に形成されている。   The holding part 15 is obtained by extrusion molding of a resin material such as polyvinyl chloride in order to prevent damage to the housed membrane element 2, and the holding groove 15a is such that the housed membrane element 2 does not rattle in the plate thickness direction. And, it is formed slightly wider than the thickness of the side edge of the membrane element 2 so that the membrane element 2 can be smoothly stored and taken out.

なお、本実施形態では、案内溝１５ａが５０本形成され、収納ケース１は膜エレメント２を５０枚収納可能に構成されているが、予め、収納したい膜エレメント２の枚数に応じて前フレーム１０および後フレーム２０の水平方向長さおよび保持部１５の案内溝１５ａの数を設定することで、膜エレメント２の収納枚数を変更できる。   In the present embodiment, 50 guide grooves 15a are formed, and the storage case 1 is configured to be able to store 50 membrane elements 2, but the front frame 10 according to the number of membrane elements 2 to be stored in advance. By setting the horizontal length of the rear frame 20 and the number of guide grooves 15a of the holding portion 15, the number of membrane elements 2 stored can be changed.

保持部１５の下部に保持部１５の案内溝１５ａに沿って収納された膜エレメント２を弾性支持する緩衝部材１５ｂが設けられている。なお、緩衝部材１５ｂは、収納される板状物の材質に対して軟らかい材料が好ましく用いられる。ここでは、緩衝部材１５ｂは、例えばゴムで構成されている。   A buffer member 15b that elastically supports the membrane element 2 housed along the guide groove 15a of the holding portion 15 is provided below the holding portion 15. The buffer member 15b is preferably made of a soft material with respect to the material of the plate-like material to be stored. Here, the buffer member 15b is made of rubber, for example.

これにより、膜エレメント２の下端は緩衝部材１５ｂによって弾性支持されるため、保持部１５に側縁部が保持された状態で膜エレメント２が収納部に落下しても、膜エレメント２の衝撃による破損を回避することができ、搬送中に収納ケース１に加わる振動による膜エレメント２の加振による損傷を回避することができ、また、緩衝部材１５ｂを設けることにより、保持部１５に側縁部が保持された状態で膜エレメント２を収納部に落下させるように収容することも可能になり、収納作業を軽減できるようになるのである。   Thereby, since the lower end of the membrane element 2 is elastically supported by the buffer member 15b, even if the membrane element 2 falls to the storage portion while the side edge portion is held by the holding portion 15, it is caused by the impact of the membrane element 2. Breakage can be avoided, damage due to vibration of the membrane element 2 due to vibration applied to the storage case 1 during conveyance can be avoided, and the side edge portion of the holding portion 15 can be provided by providing the buffer member 15b. Thus, the membrane element 2 can be accommodated so as to be dropped into the accommodating portion in a state where the element is held, and the accommodation work can be reduced.

図２，図５（ａ）に示すように、横梁１１，１３は、夫々の両端に平面視コの字形となるように延出部１６，１７が設けられ連結部１８を構成し、図５（ａ），（ｂ）に示すように、延出部１６，１７の横梁１１，１３側の端部から所定間隔離れた位置には鉛直姿勢の回動軸１９が備えられている。なお、図５（ａ）は、後フレーム２０の一部断面斜視図を示しているが、前フレーム１０も同様の構成である。   As shown in FIGS. 2 and 5 (a), the lateral beams 11 and 13 are provided with extending portions 16 and 17 so as to be U-shaped in a plan view at both ends to constitute a connecting portion 18. As shown to (a), (b), the rotation axis | shaft 19 of the vertical attitude | position is provided in the position away from the edge part by the side beams 11 and 13 side of the extension parts 16 and 17 at the predetermined interval. 5A shows a partially sectional perspective view of the rear frame 20, the front frame 10 has the same configuration.

回動軸１９は、上部と下部が縮径した棒状部材１９ａの縮径部１９ｂ，１９ｃに筒状部材１９ｄ，１９ｅが回動自在に遊嵌されて構成され、棒状部材１９ａの上端１９ｆが延出部１６に、下端１９ｇが延出部１７に溶接され固定されている。なお、筒状部材１９ｅの下部には筒状部材１９ｅの下端を支持する鍔部材１９ｈが取付けられている。棒状部材１９ａおよび筒状部材１９ｄ，１９ｅは夫々ステンレス製の鋼管が好ましく用いられる。   The rotating shaft 19 is configured by loosely fitting cylindrical members 19d and 19e to reduced diameter portions 19b and 19c of a rod-shaped member 19a whose upper and lower diameters are reduced, and an upper end 19f of the rod-shaped member 19a extends. A lower end 19 g is welded to and fixed to the extended portion 17 at the extended portion 16. A flange member 19h that supports the lower end of the tubular member 19e is attached to the lower portion of the tubular member 19e. As the rod-shaped member 19a and the cylindrical members 19d and 19e, stainless steel pipes are preferably used.

図２，図６（ｂ）に示すように、サイドフレーム３０は、横梁３１，３２，３３と、一対の縦柱３４を備え、横梁３１，３２，３３の各両端は一対の縦柱３４に溶接され固定されている。サイドフレーム３０を構成する部材は、強度と耐食性の観点からステンレス製の等辺山形鋼が好ましく用いられる。   As shown in FIGS. 2 and 6B, the side frame 30 includes horizontal beams 31, 32, 33 and a pair of vertical columns 34, and both ends of the horizontal beams 31, 32, 33 are connected to the pair of vertical columns 34. It is welded and fixed. As the members constituting the side frame 30, a stainless steel equilateral angle steel is preferably used from the viewpoint of strength and corrosion resistance.

サイドフレーム３０の高さは、収納する膜エレメント２の係止部６よりも低くなるように設定されている。このように構成することで、図１に示すように、膜エレメント２の係止部６は、サイドフレーム３０の上端より上方に突出することになるので、係止部６に形成された開口にジグ（図示せず）を挿通し、複数枚同時に容易に取り出すことができるのである。   The height of the side frame 30 is set to be lower than the locking portion 6 of the membrane element 2 to be housed. With this configuration, as shown in FIG. 1, the engaging portion 6 of the membrane element 2 protrudes upward from the upper end of the side frame 30, so that the opening formed in the engaging portion 6 is formed. A jig (not shown) can be inserted and a plurality of sheets can be easily taken out simultaneously.

このとき保持部１５による膜エレメント２の保持間隔を、膜エレメント２が設置される浸漬型膜分離装置における膜エレメント２の設置間隔と略同一とすることで、ジグを使って前記間隔を保持した状態で複数枚の膜エレメント２を同時に取り出し、そのまま浸漬型膜分離装置に挿入し設置することができる。   At this time, the holding interval of the membrane element 2 by the holding unit 15 is made substantially the same as the installation interval of the membrane element 2 in the submerged membrane separation apparatus in which the membrane element 2 is installed, thereby holding the interval using a jig. In this state, the plurality of membrane elements 2 can be taken out at the same time, and can be inserted and installed in the submerged membrane separator as they are.

図６（ａ）に示すように、サイドフレーム３０の一方の縦柱３４は前フレーム１０の回動軸１９の筒状部材１９ｄ，１９ｅに溶接され固定され、他方の縦柱３４は後フレーム２０の回動軸１９の筒状部材１９ｄ，１９ｅに溶接され固定されている。これにより延出部１６，１７とサイドフレーム３０に備えた横梁３１，３３の端部とが上下に重畳するように配置される。サイドフレーム３０の縦柱３４に回動軸１９を固定すると、折畳み姿勢で、サイドフレーム３０の水平方向両端部が、延出部１６から外方に突出しない点で好ましい。   As shown in FIG. 6A, one vertical column 34 of the side frame 30 is welded and fixed to the cylindrical members 19d and 19e of the rotating shaft 19 of the front frame 10, and the other vertical column 34 is fixed to the rear frame 20. Are welded and fixed to the cylindrical members 19d and 19e of the rotary shaft 19. Accordingly, the extending portions 16 and 17 and the end portions of the lateral beams 31 and 33 provided in the side frame 30 are arranged so as to overlap each other. Fixing the rotation shaft 19 to the vertical column 34 of the side frame 30 is preferable in that the both ends in the horizontal direction of the side frame 30 do not protrude outward from the extending portion 16 in a folded posture.

延出部１６とサイドフレーム３０に備えた横梁３１の重畳領域に姿勢固定機構４０が設けられている。   A posture fixing mechanism 40 is provided in the overlapping region of the cross beam 31 provided in the extending portion 16 and the side frame 30.

姿勢固定機構４０は、ボルト４１とナット４２で構成されている。延出部１６とサイドフレーム３０の横梁３１には、延出部１６に形成した開口１６ａと鉛直方向に一致する位置にボルト４１を挿通可能な開口３１ａが形成され、延出部１６の開口１６ａの上面からボルト４１を横梁３１の開口３１ａの下面に固着されたナット４２に螺着することで、サイドフレーム３０の前フレーム１０および後フレーム２０に対する回動を抑止する。このように、姿勢固定機構４０により、前フレーム１０および後フレーム２０の延出部１６とサイドフレーム３０の横梁３１が回動軸１９周りに回動することを抑止できるので、収納姿勢を安定的に維持できるのである。   The posture fixing mechanism 40 includes a bolt 41 and a nut 42. The extending portion 16 and the lateral beam 31 of the side frame 30 are formed with an opening 31a through which the bolt 41 can be inserted at a position that coincides with the opening 16a formed in the extending portion 16 in the vertical direction. The bolt 41 is screwed onto the nut 42 fixed to the lower surface of the opening 31a of the cross beam 31 from the upper surface of the horizontal beam 31 to prevent the side frame 30 from rotating relative to the front frame 10 and the rear frame 20. As described above, the posture fixing mechanism 40 can prevent the extending portion 16 of the front frame 10 and the rear frame 20 and the horizontal beam 31 of the side frame 30 from rotating around the rotation shaft 19, so that the storage posture is stable. Can be maintained.

前フレーム１０および後フレーム２０に備えた平面視コの字形の連結部１８の端部である延出部１６で、サイドフレーム３０に備えた横梁３１の端部とが重畳するように構成され、当該重畳領域に回動軸１９および姿勢固定機構４０が設けられているので、前フレーム１０および後フレーム２０とサイドフレーム３０とを対向させるように各フレームを回動させた折畳み姿勢で、前フレーム１０および後フレーム２０とサイドフレーム３０との対向部が接触することなく離隔した状態を維持することができ、その結果、サイドフレーム３０と保持部１５との接触が回避でき、保持部１５が破損するような事故を未然に回避できるようになる。   The extending portion 16 which is the end portion of the U-shaped connecting portion 18 provided in the front frame 10 and the rear frame 20 is configured to overlap the end portion of the cross beam 31 provided in the side frame 30. Since the rotation shaft 19 and the posture fixing mechanism 40 are provided in the overlapping region, the front frame 10 and the rear frame 20 and the side frames 30 are folded in a folded posture in which the frames are rotated so as to face each other. 10 and the opposed portions of the rear frame 20 and the side frame 30 can be maintained without contact with each other, and as a result, contact between the side frame 30 and the holding portion 15 can be avoided, and the holding portion 15 is damaged. Accidents like this can be avoided in advance.

さらに、前フレーム１０および後フレーム２０の例えば延出部１６に、サイドフレーム３０が前フレーム１０および後フレーム２０に対して、例えば、直角をなす角度まで回動すると当接し、それ以上回動することを規制する規制部材（図示せず）を備えることで、折畳み姿勢でサイドフレーム３０が回動しすぎて、前フレーム１０または後フレーム２０の保持部１５に接触して、保持部１５を破損するような事故を確実に回避できる。なお、規制部材はサイドフレーム３０側に備えてもよい。   Further, the side frame 30 comes into contact with, for example, the extending portion 16 of the front frame 10 and the rear frame 20 when the side frame 30 rotates, for example, to a right angle with respect to the front frame 10 and the rear frame 20, and further rotates. By providing a regulating member (not shown) that regulates this, the side frame 30 rotates too much in the folded posture and contacts the holding portion 15 of the front frame 10 or the rear frame 20 to break the holding portion 15. Accidents can be avoided with certainty. The restricting member may be provided on the side frame 30 side.

延出部１６には、開口１６ｂが形成され、開口１６ｂにシャックルやリング等の吊り金具２１を取付けることで、クレーン等のフックを係止して収納ケース１を吊上げることができる。よって、収納ケース１のトラックの荷台への積み上げ、積み下ろし作業が容易になる。   An opening 16b is formed in the extended portion 16, and a hook such as a shackle or a ring is attached to the opening 16b so that a hook such as a crane can be locked to lift the storage case 1. Therefore, the loading and unloading work of the storage case 1 on the truck bed becomes easy.

さらに、収納ケース１の、例えば、横梁１３の底面には、移動機構としてのキャスタ２２が取付けられ、床面に沿って移動可能な搬送台車として機能し、該搬送台車、多数枚の膜エレメント２を同時に安定して保持した状態で搬送することができるのである。   Further, for example, a caster 22 as a moving mechanism is attached to the bottom surface of the horizontal beam 13 of the storage case 1, and functions as a transport carriage movable along the floor surface. Can be conveyed while being stably held at the same time.

上述の構成により、図１，図２，図４（ａ）に示すように、収納ケース１は、前フレーム１０および後フレーム２０と一対のサイドフレーム３０を平面視で矩形となるように回動させて、姿勢固定機構４０によってサイドフレーム３０を固定することで、各膜エレメント２を保持部２０に沿って略鉛直姿勢で収納する収納姿勢となる。   1, 2 and 4A, the storage case 1 is rotated so that the front frame 10, the rear frame 20, and the pair of side frames 30 are rectangular in plan view. Thus, by fixing the side frame 30 by the posture fixing mechanism 40, the membrane element 2 is stored in a substantially vertical posture along the holding portion 20.

収納姿勢では、回動軸１９周りに各フレームが回動されて平面視で矩形となるように展開された状態で、前フレーム１０および後フレーム２０に設置された一対の保持部１５が対向姿勢となり、各膜エレメント２の側縁部が保持部１５で保持されて略鉛直姿勢で収納されることによって、膜エレメント２同士が接触して破損することもなく、重量が増しても多数枚の膜エレメント２を安定的に収納して搬送できるようになるのである。   In the storage posture, the pair of holding portions 15 installed on the front frame 10 and the rear frame 20 face each other in a state in which each frame is rotated around the rotation shaft 19 so as to be rectangular in a plan view. Thus, the side edge of each membrane element 2 is held by the holding portion 15 and stored in a substantially vertical posture, so that the membrane elements 2 do not come into contact with each other and are damaged, and even if the weight increases, a large number of sheets The membrane element 2 can be stored and transported stably.

さらに、搬送先では、各膜エレメント２を保持部１５に沿って収納ケース１から上方に引き上げることによって、容易に取り出すことができる。   Further, at the transport destination, each membrane element 2 can be easily taken out by pulling upward from the storage case 1 along the holding portion 15.

そして、前フレーム１０および後フレーム２０と一対のサイドフレーム３０とが重畳する領域に回動軸１９が取り付けられ、収納姿勢に展開された状態で当該回動軸１９の取付部以外の重畳領域、つまり回動軸１９と離隔した領域に姿勢固定機構４０が設けられ、当該回動軸１９と干渉することがないので、簡単な構造の姿勢固定機構４０を採用することができるばかりか、姿勢固定機構４０が回動軸１９と離隔した領域に取り付けられることによって、回動軸１９周りの回動を強い力で阻止する保持力を得ることができる。その結果、膜エレメント２が収納された後に、運搬或は搬送中に収納ケース１が衝撃を受ける場合であっても、膜エレメント２の収納姿勢を損なうことなく安定した収納状態を維持することができるようになるのである。   And the rotation axis | shaft 19 is attached to the area | region with which the front frame 10 and the rear frame 20 and a pair of side frame 30 overlap, and the superimposition area | regions other than the attaching part of the said rotation axis | shaft 19 in the state expand | deployed to the accommodation attitude, In other words, since the posture fixing mechanism 40 is provided in a region separated from the rotation shaft 19 and does not interfere with the rotation shaft 19, not only the posture fixing mechanism 40 having a simple structure can be adopted but also the posture fixing. By attaching the mechanism 40 to a region separated from the rotation shaft 19, it is possible to obtain a holding force that prevents rotation around the rotation shaft 19 with a strong force. As a result, after the membrane element 2 is stored, even when the storage case 1 receives an impact during transportation or transport, a stable storage state can be maintained without impairing the storage posture of the membrane element 2. It will be possible.

また、図３，図４（ｂ）に示すように、姿勢固定機構４０のボルト４１を取り外すことで、サイドフレーム３０は回動軸１９周りに回動する。これにより、前フレーム１０および後フレーム２０がサイドフレーム３０と対向するように各フレームを回動させた折畳み姿勢となる。   Further, as shown in FIGS. 3 and 4B, the side frame 30 rotates around the rotation shaft 19 by removing the bolt 41 of the posture fixing mechanism 40. As a result, the folding posture is such that each frame is rotated so that the front frame 10 and the rear frame 20 face the side frame 30.

折畳み姿勢では、膜エレメント２を取り出した後に回動軸１９周りに各フレームが回動することで、収納ケース１をコンパクトに保管できるようになるのである。   In the folded posture, the storage case 1 can be stored in a compact manner by rotating each frame around the rotation shaft 19 after the membrane element 2 is taken out.

ここで、回動軸１９は、延出部１６，１７の横梁１１，１３側の端部から所定間隔離れた位置、具体的には、折畳み姿勢で前フレーム１０または後フレーム２０とサイドフレーム３０とが所定距離だけ離隔するように、調整された位置に設けられているので、前フレーム１０または後フレーム２０とサイドフレーム３０とが対向する折畳み姿勢で、前フレーム１０または後フレーム２０とサイドフレーム３０との接触を確実に回避しながらも、延出部１６，１７の長さを極力短くして、収納ケース１の折畳み姿勢での占有スペースを極めてコンパクトにすることができるのである。   Here, the rotation shaft 19 is positioned at a predetermined distance from the ends of the extending portions 16, 17 on the side beams 11, 13 side, specifically, the front frame 10 or the rear frame 20 and the side frame 30 in a folded posture. Since the front frame 10 or the rear frame 20 and the side frame 30 face each other in a folded posture, the front frame 10 or the rear frame 20 and the side frame are separated from each other by a predetermined distance. While reliably avoiding contact with 30, the lengths of the extending portions 16 and 17 can be made as short as possible to make the occupied space of the storage case 1 in the folded position extremely compact.

さらに、上述のように構成された収納ケース１は、内部に膜エレメント２を収納した状態で、吊り金具２１にクレーン等のフックを係止して吊上げ、槽底に散気装置が配置された処理水槽に浸漬配置することで、浸漬型膜分離装置として機能する。このとき、キャスタ２２は、取付けたままであってもよく、取り外した状態であってもよい。また、膜エレメント２の上方への移動を防止するために、膜エレメント２の位置を固定する固定手段を設けてもよい。   Furthermore, the storage case 1 configured as described above has the membrane element 2 stored therein, and is suspended by hanging a hook such as a crane on the suspension fitting 21 and an air diffuser is disposed at the bottom of the tank. It functions as a submerged membrane separator by being immersed in the treatment water tank. At this time, the caster 22 may remain attached or removed. In order to prevent the membrane element 2 from moving upward, a fixing means for fixing the position of the membrane element 2 may be provided.

膜エレメント２の透過液取出口５に吸引手段を接続し、膜エレメント２の分離膜４により、処理水槽内の被処理水を固液分離できるのである。固液分離された処理水は集水管から外部に排出される。   A suction means is connected to the permeate outlet 5 of the membrane element 2, and the water to be treated in the treated water tank can be solid-liquid separated by the separation membrane 4 of the membrane element 2. The treated water that has been separated into solid and liquid is discharged to the outside through the water collecting pipe.

膜エレメント２を交換する際は、処理水槽に浸漬配置されていた収納ケース１と、新しい膜エレメント２が収納された収納ケースとを交換すればよいため、膜エレメント２の交換作業のための浸漬型膜分離装置の停止時間を短くすることができる。   When the membrane element 2 is replaced, the storage case 1 immersed in the treated water tank and the storage case in which the new membrane element 2 is stored may be replaced. The stop time of the mold membrane separation apparatus can be shortened.

以下、本発明による収納ケースの別実施形態について説明する。
なお、上述の実施形態と同様の構成については同一の符号を付して説明を省略する。図４（ｃ），（ｄ）に示すように、収納ケース１を構成するサイドフレーム５０の二本の横梁５０ａ，５０ｂを中央で蝶番５１等により連結し、横梁５０ａ，５０ｂを連結する蝶番５１で折り畳む構成にしてもよい。 Hereinafter, another embodiment of the storage case according to the present invention will be described.
In addition, about the structure similar to the above-mentioned embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted. As shown in FIGS. 4C and 4D, the two horizontal beams 50a and 50b of the side frame 50 constituting the storage case 1 are connected by a hinge 51 or the like at the center, and the hinge 51 connecting the horizontal beams 50a and 50b. It may be configured to fold with.

上述した実施形態では、姿勢固定機構４０は延出部１６と横梁３１を固定する構成について説明したが、延出部１７と横梁３３も同様に姿勢固定機構を備える構成であってもよい。また、延出部１７と横梁３３のみに姿勢固定機構を備える構成であってもよい。   In the above-described embodiment, the configuration in which the posture fixing mechanism 40 fixes the extending portion 16 and the cross beam 31 has been described. However, the extending portion 17 and the horizontal beam 33 may similarly have a configuration including a posture fixing mechanism. Moreover, the structure provided with an attitude | position fixing mechanism only in the extension part 17 and the cross beam 33 may be sufficient.

また、姿勢固定機構４０はボルトとナットに限らず、図７（ａ）に示すように、単に延出部１６の開口１６ａと横梁３１の開口３１ａに下端が開口１６ａ，３１ａより細く上端が開口１６ａ，３１ａより太いテーパ付きの棒状部材４３であってもよい。また、Ｌ字形の棒状部材を挿通する構成であったり、延出部１６と横梁３１を紐やバンドにより結束する構成であってもよい。   In addition, the posture fixing mechanism 40 is not limited to bolts and nuts, and as shown in FIG. 7A, the lower end is simply narrower than the openings 16a and 31a at the opening 16a of the extending portion 16 and the opening 31a of the lateral beam 31, and the upper end is opened. It may be a rod member 43 with a taper thicker than 16a and 31a. Moreover, the structure which penetrates an L-shaped rod-shaped member, or the structure which binds the extension part 16 and the cross beam 31 with a string or a band may be sufficient.

さらに、図７（ｂ）に示すように、姿勢固定機構は、サイドフレーム３０に取付けられ、収納姿勢では開口１６ａ，３１ａを挿通するバネ４５により上方に付勢された棒状部材４４により構成してもよい。折畳み姿勢への切替時には、棒状部材４４を指等で下方に押し下げることにより、棒状部材４４が開口１６ａから外れ、サイドフレーム３０は回動軸１９に対して回動する。何れにしても、姿勢固定機構は、前フレーム１０および後フレーム２０に対して一対のサイドフレーム３０の回動が抑止できる構成であればよい。   Further, as shown in FIG. 7B, the posture fixing mechanism is constituted by a rod-like member 44 attached to the side frame 30 and biased upward by a spring 45 inserted through the openings 16a and 31a in the storage posture. Also good. At the time of switching to the folding posture, the rod-shaped member 44 is detached from the opening 16a by pushing the rod-shaped member 44 downward with a finger or the like, and the side frame 30 rotates with respect to the rotation shaft 19. In any case, the posture fixing mechanism may be configured to be able to suppress the rotation of the pair of side frames 30 with respect to the front frame 10 and the rear frame 20.

上述した実施形態では、収納ケースを構成する部材の材質がステンレス製の等辺山形鋼である構成について説明したが、円管、角管、角材等を用いることもできる。また、ステンレス製に限らず、ポリ塩化ビニル製のアングル等であってもよい。収納される板状物の寸法や重量に応じて適当な部材により構成されればよい。   In the above-described embodiment, the configuration in which the material of the member constituting the storage case is stainless steel equilateral angle steel has been described. However, a circular tube, a square tube, a square member, or the like may be used. Moreover, it is not limited to stainless steel but may be an angle made of polyvinyl chloride. What is necessary is just to be comprised by a suitable member according to the dimension and weight of the plate-shaped object accommodated.

上述した実施形態は、何れも本発明の一例であり、該記載により本発明が限定されるものではなく、各部の具体的構成は本発明の作用効果が奏される範囲で適宜変更設計可能であることはいうまでもない。   Each of the above-described embodiments is an example of the present invention, and the present invention is not limited by the description. The specific configuration of each part can be appropriately changed and designed within the range where the effects of the present invention are exhibited. Needless to say.

１：収納ケース
２：膜エレメント
３：ろ板
４：分離膜
５：透過液取出口
６：係止部
１０：前フレーム
１１，１２，１３：横梁
１４：縦柱
１５：保持部
１５ａ：案内溝
１５ｂ：緩衝部材
１６，１７：延出部
１８：連結部
１９：回動軸
２０：後フレーム
３０：サイドフレーム
３１，３２，３３：横梁
３４：縦柱
４０：姿勢固定機構
４１：ボルト
４２：ナット 1: Storage case 2: Membrane element 3: Filter plate 4: Separation membrane 5: Permeate outlet 6: Locking portion 10: Front frames 11, 12, 13: Cross beam 14: Vertical column 15: Holding portion 15a: Guide groove 15b: shock absorbing members 16, 17: extending portion 18: connecting portion 19: rotating shaft 20: rear frame 30: side frames 31, 32, 33: horizontal beam 34: vertical column 40: posture fixing mechanism 41: bolt 42: nut

Claims (8)

複数枚の板状物を収納する収納ケースであって、
各板状物の側縁部を両側から保持する一対の保持部が設置された前フレームおよび後フレームと、前記前フレームおよび後フレームの両側方で、それぞれ鉛直姿勢の回動軸で回動可能に連結された一対のサイドフレームとが立設され、
平面視で矩形となるように各フレームを回動させ、各板状物を前記保持部に沿って略鉛直姿勢で収納する収納姿勢と、前記前フレームおよび後フレームが前記サイドフレームと対向するように各フレームを回動させた折畳み姿勢との間で姿勢切替自在に構成され、
前記収納姿勢で前記前フレームおよび後フレームと前記一対のサイドフレームとが、前記回動軸の取付部を含む領域で重畳するように配置され、当該取付部以外の重畳領域に前記収納姿勢を保持する姿勢固定機構が設けられている収納ケース。 A storage case for storing a plurality of plate-like objects,
The front frame and the rear frame on which a pair of holding parts for holding the side edges of each plate-like object are installed from both sides, and both sides of the front frame and the rear frame can be rotated about a vertical rotation axis. And a pair of side frames connected to each other,
Each frame is rotated so as to be rectangular in a plan view, and each plate-like object is stored in a substantially vertical position along the holding portion, and the front frame and the rear frame are opposed to the side frame. It is configured so that the posture can be switched between the folded posture in which each frame is rotated,
The front frame, the rear frame, and the pair of side frames are arranged so as to overlap in a region including the attachment portion of the rotating shaft in the storage posture, and the storage posture is held in a superposition region other than the attachment portion. A storage case provided with a posture fixing mechanism. 前記前フレームおよび後フレームに、横梁と前記横梁の両端に設けられた延出部とからなる平面視コの字形の連結部が設けられ、前記収納姿勢で当該延出部と前記サイドフレームに備えた横梁の端部とが上下に重畳するように配置され、当該重畳領域に前記回動軸および前記姿勢固定機構が設けられている請求項１記載の収納ケース。   The front frame and the rear frame are each provided with a U-shaped connecting portion including a horizontal beam and an extended portion provided at both ends of the horizontal beam, and are provided in the extended position and the side frame in the storage posture. The storage case according to claim 1, wherein the end portion of the horizontal beam is disposed so as to overlap vertically, and the rotation shaft and the posture fixing mechanism are provided in the overlapping region. 前記折畳み姿勢で前記前フレームまたは後フレームと前記サイドフレームとが所定距離だけ離隔するように、前記延出部に前記回動軸が設けられている請求項２記載の収納ケース。   3. The storage case according to claim 2, wherein the rotation shaft is provided in the extension portion so that the front frame or the rear frame and the side frame are separated from each other by a predetermined distance in the folded posture. 前記前フレームおよび後フレームのうち、前記保持部の下部に前記保持部に沿って収納された板状物を弾性支持する緩衝部材が設けられている請求項１から３の何れかに記載の収納ケース。   The storage according to any one of claims 1 to 3, wherein a buffer member that elastically supports a plate-like object stored along the holding portion is provided below the holding portion among the front frame and the rear frame. Case. 前記保持部は、各板状物の側縁部を板厚方向に所定間隔で保持する複数の案内溝が形成されている請求項１から４の何れかに記載の収納ケース。   The storage case according to any one of claims 1 to 4, wherein the holding portion is formed with a plurality of guide grooves that hold side edges of each plate-like object at predetermined intervals in the plate thickness direction. 前記板状物が、平板状のろ板の表面に分離膜を備えた膜分離装置に用いられる膜エレメントである請求項１から５の何れかに記載の収納ケース。   The storage case according to any one of claims 1 to 5, wherein the plate-like material is a membrane element used in a membrane separation device having a separation membrane on the surface of a flat filter plate. 請求項１から６の何れかに記載の収納ケースと、前記収納ケースの底部に固定され、前記収納ケースを床面に沿って移動させる移動機構とを備えている搬送台車。   A transport cart comprising: the storage case according to any one of claims 1 to 6; and a moving mechanism that is fixed to a bottom portion of the storage case and moves the storage case along a floor surface. 請求項１から５の何れかに記載の収納ケースと、平板状のろ板の表面に分離膜を備えた複数枚の膜エレメントとを備え、前記収納姿勢で前記板状物として前記膜エレメントを収納した状態で処理水槽に浸漬配置される浸漬型膜分離装置。   A storage case according to any one of claims 1 to 5 and a plurality of membrane elements each provided with a separation membrane on the surface of a flat filter plate, wherein the membrane element is used as the plate-like material in the storage posture. A submerged membrane separation device that is immersed in a treated water tank in a stored state.
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