JPH07280472A - Plate type falling film evaporator - Google Patents
Plate type falling film evaporatorInfo
- Publication number
- JPH07280472A JPH07280472A JP6073298A JP7329894A JPH07280472A JP H07280472 A JPH07280472 A JP H07280472A JP 6073298 A JP6073298 A JP 6073298A JP 7329894 A JP7329894 A JP 7329894A JP H07280472 A JPH07280472 A JP H07280472A
- Authority
- JP
- Japan
- Prior art keywords
- heat transfer
- fluid
- plate
- heated
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、伝熱プレートの二流体
間のシール構造及び被加熱流体の分散構造に改良を加え
たプレート式流下薄膜蒸発装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate type falling thin film evaporator having improved seal structure between two fluids of a heat transfer plate and dispersion structure of a fluid to be heated.
【０００２】[0002]
【従来の技術】プレートを介して二流体間の熱交換を行
わせるプレート熱交換装置は、各種濃縮装置、多重効用
缶、海水淡水化装置等に広く用いられている。通常のプ
レート熱交換装置はその一例を図６に示すように、伝熱
プレート１の四隅に熱交換される流体の通路となる開口
Ａ，Ｂ，Ｃ，Ｄが設けられている。2. Description of the Related Art Plate heat exchange devices for exchanging heat between two fluids through plates are widely used in various concentrating devices, multiple effect cans, seawater desalination devices, and the like. As shown in FIG. 6, an example of a normal plate heat exchange device is provided with openings A, B, C and D at four corners of the heat transfer plate 1 which serve as passages for a fluid for heat exchange.
【０００３】そして一枚のプレート１ａは対角線上に位
置する二つの開口Ａ，Ｂを連通し、かつ、他の二つの開
口Ｃ，Ｄを閉塞するようにプレートの周辺部をガスケッ
ト２又は３で囲み、他の一枚のプレート１ｂは逆に初め
の開口Ａ，Ｂを閉塞し、他の二つの開口Ｃ，Ｄを連通す
るようにガスケット３又は２で囲み、これらのプレート
１ａ，１ｂを交互に複数枚重ね合わせ、両端を取付座４
及び蓋板５で挟みつけボルト６で締付けて、二つの流体
をそれぞれ交互のプレートの間の連通する開口間に流し
て熱交換させている。A single plate 1a communicates with two openings A and B located on a diagonal line and closes the other two openings C and D with a gasket 2 or 3 around the periphery of the plate. On the contrary, the other plate 1b conversely closes the first openings A and B, and surrounds the other two openings C and D with a gasket 3 or 2, and these plates 1a and 1b are alternated. Multiple sheets on top of each other
It is sandwiched between the cover plate 5 and the cover plate 5 and is tightened with the bolts 6, so that the two fluids are caused to flow between the openings communicating with each other to exchange heat.
【０００４】一方、流下薄膜蒸発装置に使用されている
プレート式熱交換装置の一例として、図７に示すような
直交流式プレート熱交換装置がある。これは、複数枚の
伝熱プレート１の直交する二方向の各辺を交互に溶接９
して伝熱プレート群を構成し、各伝熱プレートのコーナ
部を枠または押え板８に溶接、またはガスケットを押え
板８でボルト締めし、コーナ部をシールして二つの流体
の出入口を限定している。なお、枠または押え板８は溶
接またはボルト締めで本体胴に取付けられ、各プレート
上辺の上方には別途液分散装置が設置される。On the other hand, as an example of the plate type heat exchange device used in the falling film evaporator, there is a cross flow type plate heat exchange device as shown in FIG. This is performed by alternately welding the sides of the heat transfer plates 1 in two orthogonal directions.
To configure a heat transfer plate group, weld the corners of each heat transfer plate to the frame or holding plate 8, or bolt the gasket with the holding plate 8 to seal the corners and limit the two fluid inlets and outlets. is doing. The frame or the holding plate 8 is attached to the main body by welding or bolting, and a liquid dispersion device is separately installed above the upper side of each plate.
【０００５】[0005]
【発明が解決しようとする課題】流下薄膜蒸発装置の場
合、伝熱プレートと伝熱プレートの間に蒸発空間が必要
で、かつ、この空間に面した両プレート面全面に薄膜で
流体を流してやる必要がある。しかしながら図６に示す
ような通常のプレート式熱交の場合、伝熱プレート１
ａ，１ｂの開口ＡまたはＣから直接伝熱面Ｆに流体が流
入するため、プレート間に蒸発空間を作りながらプレー
ト面上に薄膜で流体を流すということは不可能である。In the case of a falling film evaporator, an evaporation space is required between the heat transfer plates, and the fluid is made to flow in a thin film over the entire surfaces of both plates facing this space. There is a need. However, in the case of a normal plate type heat exchanger as shown in FIG. 6, the heat transfer plate 1
Since the fluid directly flows into the heat transfer surface F from the openings A or C of the holes a and 1b, it is impossible to flow the fluid in a thin film on the plate surfaces while forming the evaporation space between the plates.
【０００６】一方、図７に示す直交流式プレート熱交換
装置の場合、各伝熱プレート１が溶接９でつながってい
るため、伝熱プレート１に穴があくなどの不具合が生じ
た場合、不具合の発生したプレート１のみの交換または
補修は不可能であり、プレート群一式の取替えとなる。On the other hand, in the case of the cross-flow type plate heat exchange device shown in FIG. 7, since the heat transfer plates 1 are connected by the welding 9, if the heat transfer plate 1 has a problem such as a hole, a problem occurs. It is impossible to replace or repair only the plate 1 in which the plate has occurred, and the plate group is replaced.
【０００７】また、伝熱プレート１は非常に薄肉である
ため溶接が難しく、特にコーナ部の溶接は非常に難し
く、溶接費用が高くつき、また、ガスケットを用いる場
合はそれを薄板の先端に押しつけるためガスケットの切
断という不具合が発生する問題があった。Further, since the heat transfer plate 1 is very thin, it is difficult to weld it, especially the corner portion is very difficult to weld, and the welding cost is high, and when a gasket is used, it is pressed against the tip of the thin plate. Therefore, there is a problem that a problem of cutting the gasket occurs.
【０００８】また、別途伝熱プレート１の上方に被蒸発
液の薄膜をつくるための液分散装置を設置する必要があ
るが、プレート群と分散装置との間に設置誤差が生じ、
必ずしも最適な状態の液分散が行えるとは限らなかっ
た。Further, it is necessary to separately install a liquid dispersion device for forming a thin film of the liquid to be evaporated above the heat transfer plate 1. However, an installation error occurs between the plate group and the dispersion device,
It was not always possible to perform liquid dispersion in an optimum state.
【０００９】本発明はこのような現状に鑑み、プレート
間のシールを容易に行い、同時にプレート伝熱部上に良
好な薄膜を形成させる機能を持ち、かつ、伝熱プレート
の交換または補修をも容易にするコストの安いプレート
式流下薄膜蒸発装置を提供することを課題としている。In view of the above situation, the present invention has a function of easily sealing the plates and at the same time forming a good thin film on the plate heat transfer portion, and also for replacement or repair of the heat transfer plate. It is an object of the present invention to provide a plate type falling film evaporation apparatus which is easy and inexpensive.
【００１０】[0010]
【課題を解決するための手段】本発明は、上方から下方
へ薄膜で被加熱流体を、横方向に加熱流体を、複数の伝
熱プレート交互の間を互いに略直交して流し、被加熱流
体を蒸発させるプレート式流下薄膜蒸発装置における前
記課題を解決するため、その伝熱プレートは、伝熱部に
設けられた凹凸により必要な間隔が保たれると共にその
伝熱部の上方と下方にはそれぞれ被加熱流体の通路とな
る矩形状の穴を設ける。According to the present invention, a thin film to be heated, a fluid to be heated in a lateral direction, and a fluid to be heated in a lateral direction are made to flow substantially alternately between a plurality of alternating heat transfer plates. In order to solve the above-mentioned problems in the plate type falling thin-film evaporator that evaporates the heat transfer plate, the heat transfer plate has a necessary interval due to the unevenness provided in the heat transfer unit, and the heat transfer plate is provided above and below the heat transfer unit. A rectangular hole serving as a passage for the heated fluid is provided.
【００１１】そして、加熱流体が流される伝熱プレート
間では前記した穴の周辺部をガスケットによってシール
する。一方、被加熱流体が流される伝熱プレート間に
は、伝熱プレートの最外周全周を囲む外周部と、該外周
部に連設され前記した穴の下辺と伝熱部の上辺との間に
伸びていて伝熱面に被加熱流体の薄膜を形成させるため
の複数個のノズル穴が設けられた給液部とを有するガス
ケットを設けた構造とする。Then, between the heat transfer plates through which the heating fluid flows, the peripheral portion of the hole is sealed by a gasket. On the other hand, between the heat transfer plates through which the fluid to be heated is flown, between the outer peripheral part that surrounds the entire outermost periphery of the heat transfer plate, and between the lower side of the hole that is continuous with the outer peripheral part and the upper side of the heat transfer part. And a liquid supply portion having a plurality of nozzle holes for forming a thin film of the fluid to be heated on the heat transfer surface.
【００１２】なお、本発明によるプレート式流下薄膜蒸
発装置では、前記した被加熱流体の通路となる矩形状の
穴に加え、加熱流体の通路となる穴を伝熱プレートに形
成した構成としてもよい。加熱流体のための穴を伝熱プ
レートに設けた場合は、その穴の周辺部は前記したと同
様、ガスケットによってシールした構造とする。In addition, in the plate type falling thin film evaporator according to the present invention, in addition to the rectangular hole for the passage of the fluid to be heated, a hole for the heating fluid may be formed in the heat transfer plate. . When a hole for heating fluid is provided in the heat transfer plate, the periphery of the hole has a structure sealed by a gasket as described above.
【００１３】[0013]
【作用】本発明によるプレート式流下薄膜蒸発装置は前
記した構成をもつので、伝熱プレートの伝熱部の上方に
設けられた矩形状の穴に流入した被加熱流体はガスケッ
トにより加熱流体から遮断され、その穴の下辺に伸びて
いるガスケットの給液部に設けられた複数のノズル穴よ
り伝熱プレートの両面に吹き付けられて拡がり、伝熱部
を薄膜で流下しながら反対側の面に沿って流れる加熱流
体により伝熱部を介して加熱され蒸発する。Since the plate type falling film evaporator according to the present invention has the above-mentioned structure, the fluid to be heated which has flowed into the rectangular hole provided above the heat transfer portion of the heat transfer plate is blocked from the heating fluid by the gasket. The nozzles, which extend to the lower side of the hole, are sprayed and spread on both sides of the heat transfer plate through the nozzle holes provided in the liquid supply part of the gasket, and along the opposite surface while flowing down the heat transfer part with a thin film. The heated heating fluid is heated and evaporated through the heat transfer section.
【００１４】被加熱流体の蒸気と未蒸発液体は、ガスケ
ットにより加熱流体から遮断された下部の通路部分とな
る穴を通って外部に流出する。加熱流体は伝熱プレート
を挟んで被加熱流体の反対の面側の伝熱プレート間に流
入し、伝熱プレートを介して、被加熱流体と熱交換を行
う。The vapor of the fluid to be heated and the non-evaporated liquid flow out to the outside through a hole serving as a lower passage portion which is shielded from the heating fluid by the gasket. The heating fluid flows between the heat transfer plates on the opposite side of the heat receiving fluid with the heat transfer plate interposed therebetween, and exchanges heat with the heat receiving fluid via the heat transfer plates.
【００１５】本発明によるプレート式流下薄膜蒸発装置
においては、複数の伝熱プレートとガスケットから成る
伝熱プレート群は、通常のプレート式熱交換器と同様に
両面を取付座及び蓋板等で挟みつけボルトで締めつける
ことによって組み立てた構造とすることができるので容
易に組立、解体ができる。In the plate type falling thin film evaporator according to the present invention, the heat transfer plate group consisting of a plurality of heat transfer plates and gaskets is sandwiched between the mounting seats and the cover plate on both sides like a normal plate type heat exchanger. It can be assembled and disassembled easily because it can be assembled structure by tightening with a mounting bolt.
【００１６】[0016]
【実施例】以下、本発明によるプレート式流下薄膜蒸発
装置を図示した実施例によって具体的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A plate type falling thin film evaporator according to the present invention will be specifically described below with reference to illustrated embodiments.
【００１７】（第１実施例）まず、図１〜図３に示した
第１実施例について説明する。図１に示すように、伝熱
プレート１は交互に向い合わせに重ねられ、伝熱部Ｆに
設けられた多数の凹凸により必要な間隔が保たれてい
る。伝熱プレート１の伝熱部Ｆの上方には被加熱流体の
流入通路Ａとなるべき矩形状の穴が設けられ、また、伝
熱部Ｆの下方には被加熱流体の流出通路Ｂとなるべき矩
形状穴が設けられている。(First Embodiment) First, the first embodiment shown in FIGS. 1 to 3 will be described. As shown in FIG. 1, the heat transfer plates 1 are alternately stacked so as to face each other, and the necessary intervals are maintained by a large number of irregularities provided in the heat transfer section F. A rectangular hole to serve as an inflow passage A for the fluid to be heated is provided above the heat transfer portion F of the heat transfer plate 1, and an outflow passage B for the fluid to be heated is provided below the heat transfer portion F. A rectangular hole is to be provided.
【００１８】加熱流体の流れるプレート間は、伝熱プレ
ート１の全周から流れ込む加熱流体を通路Ａ，Ｂを流れ
る被加熱流体から遮断するよう上部矩形状穴と下部矩形
状穴との外周部に加熱側ガスケット２ａ，２ｂが設けら
れている。Between the plates through which the heating fluid flows, the outer periphery of the upper rectangular hole and the lower rectangular hole is provided so as to block the heating fluid flowing from the entire circumference of the heat transfer plate 1 from the heated fluid flowing in the passages A and B. Heating side gaskets 2a and 2b are provided.
【００１９】被加熱流体の流れるプレート間は、被加熱
流体の伝熱部Ｆと通路Ａ，Ｂとを加熱流体から遮断する
よう伝熱プレート１の最外周部全周を囲む外周部３−１
と、被加熱流体の薄膜を作るための複数の液分散用ノズ
ル穴Ｅを設けるため上部流入通路Ａの下辺と伝熱部Ｆの
上辺との間に伸びていて外周部３−１に連設された給液
部３−２とをもつ被加熱側ガスケット３が設けられてい
る。Between the plates through which the fluid to be heated flows, an outer peripheral portion 3-1 that surrounds the entire outermost peripheral portion of the heat transfer plate 1 so as to block the heat transfer portion F of the fluid to be heated and the passages A and B from the heating fluid.
And a plurality of liquid-dispersing nozzle holes E for forming a thin film of the fluid to be heated, extending between the lower side of the upper inflow passage A and the upper side of the heat transfer section F and connected to the outer peripheral section 3-1. The heated side gasket 3 having the liquid supply part 3-2 is provided.
【００２０】４は伝熱プレートを固定し、かつ、加熱側
流体と被加熱側流体とを遮断する取付座、５は伝熱プレ
ート群をボルト・ナット６にて締めつけ固定すべき蓋
板、７は加熱流体の流れる容器壁である。このようにし
て、流入通路Ａに流入した被加熱流体は被加熱側ガスケ
ット３の給液部３−２に設けられた液分散ノズル穴Ｅか
ら伝熱プレート１の適切な位置に吹き付けられて拡が
り、伝熱面Ｆを薄膜で流下する。Reference numeral 4 denotes a mounting seat for fixing the heat transfer plate and for shutting off the heating side fluid and the heated side fluid. Reference numeral 5 denotes a cover plate to be fixed by tightening the heat transfer plate group with bolts and nuts 6. Is a container wall through which the heating fluid flows. In this way, the fluid to be heated that has flowed into the inflow passage A is sprayed and spread at an appropriate position on the heat transfer plate 1 from the liquid dispersion nozzle hole E provided in the liquid supply section 3-2 of the gasket 3 to be heated. , The heat transfer surface F is made to flow down as a thin film.
【００２１】その間、加熱側の伝熱プレート間に流入し
た加熱流体により、伝熱プレート１を介して加熱され蒸
発する。蒸発した被加熱流体蒸気と未蒸発液体は流出通
路Ｂを通って外部に流出する。なお、前記した第１実施
例では、伝熱プレート１には加熱流体の為の通路となる
穴は形成されていないが、当然ながら加熱流体の通路を
設ける場合もある。In the meantime, the heating fluid flowing between the heat transfer plates on the heating side heats and evaporates through the heat transfer plate 1. The vaporized heated fluid vapor and the non-evaporated liquid flow out through the outflow passage B to the outside. In the first embodiment described above, the heat transfer plate 1 is not provided with a hole serving as a passage for the heating fluid, but of course, a passage for the heating fluid may be provided.
【００２２】（第２実施例）図４及び図５には、伝熱プ
レート１に加熱流体に対する通路となる穴を形成した場
合の第２実施例が示されている。すなわち、図４及び図
５は、第１実施例における図２と図３に対応する図面で
あるが、これら図４，図５から明らかなように、伝熱プ
レート１には、加熱流体流入通路Ｃを与える穴と、加熱
流体流出通路Ｄを与える穴が形成されており、それらの
穴のまわりを外周部３−１と共に囲むように内周部３−
３がガスケット３から連設されている。(Second Embodiment) FIGS. 4 and 5 show a second embodiment in which the heat transfer plate 1 is provided with holes serving as passages for the heating fluid. That is, although FIGS. 4 and 5 are drawings corresponding to FIGS. 2 and 3 in the first embodiment, as is apparent from FIGS. 4 and 5, the heat transfer plate 1 has a heating fluid inflow passage. A hole for giving C and a hole for giving the heating fluid outflow passage D are formed, and the inner peripheral portion 3- surrounds these holes together with the outer peripheral portion 3-1.
3 are connected from the gasket 3.
【００２３】また、被加熱流体の通路Ａ，Ｂを与える穴
の周辺部をシールするガスケット２は、図４に示すよう
に伝熱プレート１の全外周をシールするよう矩形の枠状
になっている。その他の構成は第１実施例のものと同様
である。Further, the gasket 2 for sealing the peripheral portion of the hole for providing the passages A and B for the fluid to be heated has a rectangular frame shape so as to seal the entire outer circumference of the heat transfer plate 1 as shown in FIG. There is. The other structure is similar to that of the first embodiment.
【００２４】以上、本発明を図示した実施例に基づいて
具体的に説明したが、本発明がこれらの実施例に限定さ
れず特許請求の範囲に示す本発明の範囲内で、その形
状、構造に種々の変更を加えてよいことはいうまでもな
い。The present invention has been specifically described above based on the illustrated embodiments, but the present invention is not limited to these embodiments, and the shape and structure thereof are within the scope of the present invention shown in the claims. It goes without saying that various changes may be added to the.
【００２５】[0025]
【発明の効果】以上詳細に説明したように、本発明によ
る薄膜蒸発装置では、伝熱プレート間に介在され流体を
シールするガスケットに設けられた液分散ノズルは伝熱
プレートと共に移動するためノズル穴の吹出口と伝熱プ
レートの伝熱部は常に適切な位置関係が保て、分散装置
としてのノズル穴と伝熱プレートとの設置誤差による被
加熱液の吹出し位置のずれの心配がなく、常に良好な伝
熱性能を発揮できる。また、本発明による装置では、ガ
スケットに液分散機能を持たせてあるため、別途に分散
箱、分散ノズルなどの分散装置の設置が不要となり、組
立容易、材料節減等のコスト低減となる。As described in detail above, in the thin film evaporation apparatus according to the present invention, the liquid dispersion nozzle provided in the gasket interposed between the heat transfer plates to seal the fluid moves with the heat transfer plates and therefore has a nozzle hole. There is always a proper positional relationship between the heat transfer part of the heat transfer plate and the heat transfer part of the heat transfer plate, and there is no concern that the position of the heated liquid will be blown out due to the installation error between the nozzle hole as the dispersion device and the heat transfer plate. Can exhibit good heat transfer performance. Further, in the device according to the present invention, since the gasket has a liquid dispersion function, it is not necessary to separately install a dispersion device such as a dispersion box and a dispersion nozzle, which facilitates assembly and reduces costs such as material saving.
【００２６】更に、本発明による装置では、伝熱プレー
トは１枚１枚がボルト締めにて取付け可能なので容易に
交換または補修ができる。このように、本発明の装置で
は、従来のものに見られたような伝熱プレート同志の難
しく高価な溶接がなく、ガスケットのみでシールされる
ため安価となる。Further, in the apparatus according to the present invention, since the heat transfer plates can be attached by bolting one by one, they can be easily replaced or repaired. As described above, the apparatus of the present invention is inexpensive because it does not have the difficult and expensive welding of the heat transfer plates as seen in the conventional apparatus, and is sealed only by the gasket.
【図１】本発明のプレート式流下薄膜蒸発装置の第１実
施例の断面図。FIG. 1 is a cross-sectional view of a first embodiment of a plate type falling thin film evaporator according to the present invention.
【図２】図１のＸ−Ｘ線に沿う断面図。FIG. 2 is a sectional view taken along line XX in FIG.
【図３】図１のＹ−Ｙ線に沿う断面図。3 is a cross-sectional view taken along the line YY of FIG.
【図４】本発明のプレート式流下薄膜蒸発装置の第２実
施例における、図２に対応した断面図。FIG. 4 is a sectional view corresponding to FIG. 2 in the second embodiment of the plate type falling thin film evaporator of the present invention.
【図５】本発明のプレート式流下薄膜蒸発装置の第２実
施例における、図３に対応した断面図。FIG. 5 is a cross-sectional view of the second embodiment of the plate type falling thin film evaporator of the present invention, which corresponds to FIG.
【図６】従来の通常のプレート式熱交を示す斜視図。FIG. 6 is a perspective view showing a conventional normal plate type heat exchanger.
【図７】従来の直交流式プレート式熱交の部分斜視図。FIG. 7 is a partial perspective view of a conventional cross flow plate type heat exchanger.
１，１ａ，１ｂ 伝熱プレート ２，２ａ，２ｂ 加熱側のガスケット ３ 被加熱側のガスケット ３−１ 外周部 ３−２ 給液部 ４ 取付座 ５ 蓋板 ６ ボルト・ナット ７ 加熱流体側の容器壁 Ａ，Ｂ，Ｃ，Ｄ 流体通路 Ｅ 液分散ノズル穴 Ｆ 伝熱プレートの伝熱部 1, 1a, 1b Heat transfer plate 2, 2a, 2b Gasket on heating side 3 Gasket on heated side 3-1 Peripheral part 3-2 Liquid supply part 4 Mounting seat 5 Lid plate 6 Bolt / nut 7 Container for heating fluid side Wall A, B, C, D Fluid passage E Liquid dispersion nozzle hole F Heat transfer part of heat transfer plate
Claims (1)
方向に加熱流体を、複数の伝熱プレート交互の間を互い
に略直交して流し、被加熱流体を蒸発させるプレート式
流下薄膜蒸発装置において、前記伝熱プレート（１）
は、伝熱部（Ｆ）に設けられた凹凸により必要な間隔が
保たれると共に該伝熱部（Ｆ）の上方と下方にはそれぞ
れ被加熱流体の通路（Ａ，Ｂ）となる矩形状の穴を有
し、加熱流体が流される伝熱プレート（１）間では前記
穴の周辺部をガスケット（２ａ，２ｂ）によってシール
され、被加熱流体が流される伝熱プレート（１）間に
は、該伝熱プレート（１）の最外周全周を囲む外周部
（３−１）、及び該外周部（３−１）に連設され前記穴
の下辺と前記伝熱部（Ｆ）の上辺との間に伸びていて複
数個のノズル穴（Ｅ）が設けられた給液部（３−２）を
有するガスケット（３）を設けてなることを特徴とする
プレート式流下薄膜蒸発装置。1. A plate-type falling thin-film evaporation method in which a fluid to be heated is vaporized in a thin film from above to below and a fluid to be heated in a lateral direction is caused to flow substantially orthogonal to each other between a plurality of heat transfer plates to vaporize the fluid to be heated. In the apparatus, the heat transfer plate (1)
Is a rectangular shape in which the necessary intervals are maintained by the concavities and convexities provided in the heat transfer section (F), and there are passages (A, B) for the fluid to be heated above and below the heat transfer section (F). Between the heat transfer plates (1) through which the heating fluid flows, the periphery of the holes is sealed by the gaskets (2a, 2b), and between the heat transfer plates (1) through which the fluid to be heated flows. An outer peripheral portion (3-1) surrounding the entire outermost periphery of the heat transfer plate (1), and a lower side of the hole and an upper side of the heat transfer section (F) that are continuously provided to the outer peripheral portion (3-1). And a gasket (3) having a liquid supply part (3-2) having a plurality of nozzle holes (E) provided between the plate type falling film evaporation device and the gasket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6073298A JPH07280472A (en) | 1994-04-12 | 1994-04-12 | Plate type falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6073298A JPH07280472A (en) | 1994-04-12 | 1994-04-12 | Plate type falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07280472A true JPH07280472A (en) | 1995-10-27 |
Family
ID=13514124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6073298A Withdrawn JPH07280472A (en) | 1994-04-12 | 1994-04-12 | Plate type falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07280472A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004340569A (en) * | 2003-05-16 | 2004-12-02 | Api Schmidt-Bretten Gmbh & Co Kg | Plate-heat exchanger |
| JP2012504743A (en) * | 2008-10-03 | 2012-02-23 | アルファ ラヴァル コーポレイト アクチボラゲット | Plate heat exchanger |
| CN102393151A (en) * | 2011-09-28 | 2012-03-28 | 温州市宇达轻工机械有限公司 | Novel lifting film plate type evaporator |
| CN102636056A (en) * | 2012-04-25 | 2012-08-15 | 龚胜 | Fan plate type corrugated heat exchanger |
-
1994
- 1994-04-12 JP JP6073298A patent/JPH07280472A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004340569A (en) * | 2003-05-16 | 2004-12-02 | Api Schmidt-Bretten Gmbh & Co Kg | Plate-heat exchanger |
| JP2012504743A (en) * | 2008-10-03 | 2012-02-23 | アルファ ラヴァル コーポレイト アクチボラゲット | Plate heat exchanger |
| US9400141B2 (en) | 2008-10-03 | 2016-07-26 | Alfa Laval Corporate Ab | Plate heat exchanger with strengthening sheet |
| CN102393151A (en) * | 2011-09-28 | 2012-03-28 | 温州市宇达轻工机械有限公司 | Novel lifting film plate type evaporator |
| CN102636056A (en) * | 2012-04-25 | 2012-08-15 | 龚胜 | Fan plate type corrugated heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010703 |