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公开(公告)号:US6068730A
公开(公告)日:2000-05-30
申请号:US029053
申请日:1998-07-17
CPC分类号: F28F9/028 , B01D1/22 , B01D3/008 , B01F15/0264 , D21C11/10 , B01F5/0601 , Y10S165/914
摘要: A liquid distributor for distributing liquid over the heat transfer surface of an evaporator includes a channel array including one or more supply channels and downwardly deviating distribution channels. Each distribution channel has a step-shaped expansion located downstream with respect to the supply channel and connecting therewith via a sharp point, restricting the liquid suction created in the distribution channel. Sharp points provided in the supply channel or channels further restrict the liquid suction.
摘要翻译: PCT No.PCT / FI96 / 00449 Sec。 371日期:1998年7月17日 102(e)日期1998年7月17日PCT 1996年8月21日PCT PCT。 公开号WO97 / 07867 日期1997年3月6日用于在蒸发器的传热表面上分配液体的液体分配器包括包括一个或多个供应通道和向下偏离的分配通道的通道阵列。 每个分配通道具有相对于供应通道下游的阶梯形膨胀,并且经由尖锐点与其连接,限制在分配通道中产生的液体吸力。 供应通道或通道中提供的尖锐点进一步限制了液体吸力。
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公开(公告)号:US5775410A
公开(公告)日:1998-07-07
申请号:US809794
申请日:1997-05-29
CPC分类号: B01D1/22 , F28D9/0037 , F28F21/065 , F28F2275/085 , F28F2275/14
摘要: The invention relates to a heat exchanger wherein the heating vapor is fed onto heat exchange surfaces of membrane material from a vapor distributor, the vapor distributor having parallel conduits for directing vapor over the entire width of the surfaces. According to the invention the vapor distributor is made up of two opposing wall elements which are fastened to each other by means of projections in one element and corresponding recesses in the other element. The upper end of the membrane constituting the heat exchange surface is locked between the projections and recesses that are fastened to each other. Thus, pleats are produced in the membrane as an expansion leeway for the vapor space delimited by the membrane. The heat exchange surfaces may be formed into bags, the ends of which are fastened between the interlinked wall elements in such a manner that the vapor conduits delimited by the elements will direct heating vapor to the inside of the bags and the liquid conduits will direct liquid to be evaporated onto the outer surfaces of the bags.
摘要翻译: PCT No.PCT / FI95 / 00525 Sec。 371日期1997年5月29日 102(e)日期1997年5月29日PCT提交1995年9月26日PCT公布。 公开号WO96 / 09871 日期1996年4月4日本发明涉及一种热交换器,其中将加热蒸气从蒸气分配器供给到膜材料的热交换表面上,该蒸气分配器具有用于在整个表面宽度上引导蒸气的平行导管。 根据本发明,蒸汽分配器由两个相对的壁元件组成,这两个壁元件通过一个元件中的突起和另一个元件中的相应凹部彼此紧固。 构成热交换表面的膜的上端被锁定在彼此紧固的突起和凹部之间。 因此,在膜中产生褶皱作为由膜限定的蒸气空间的膨胀余地。 热交换表面可以形成为袋,其端部以这样的方式紧固在互连的壁元件之间,使得由元件界定的蒸汽导管将加热蒸气引导到袋的内部,并且液体导管将引导液体 被蒸发到袋的外表面上。
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公开(公告)号:US5927383A
公开(公告)日:1999-07-27
申请号:US51261
申请日:1998-04-03
申请人: Leif Ramm-Schmidt , Veli Tiainen , Peter Koistinen
发明人: Leif Ramm-Schmidt , Veli Tiainen , Peter Koistinen
摘要: The method relates to a film heat exchanger and a method for constructing the same. The heat exchanger comprises bags (1) made of film material in order to transfer heat from the steam to be condensated inside the bags to the liquid to be evaporated on the outer surfaces (18) thereof, as well as feed channel arrays for distributing steam (10) and liquid onto the internal and external heat transfer surfaces of the bags. According to the invention, inside the top end (2) of each bag (1), there is provided an essentially straight strip (11) bordering the steam channels (10), to which strip the bag is fastened; in connection with the fastening, the top edge of the bag is pulled straight by bending the bag, so that the middle part of the bag is raised in relation to the sides (12) thereof, and the thus straightened edge is then attached to the strip provided inside the bag. Respectively, the bottom edge (3) of the bag can be cut to be upwardly concave and fastened, after straightening, to a strip (15) fitted inside the bottom end of the bag, and comprising condensate removal channels (14). When straightening the top and bottom edges (2, 3) of the bag, there are created horizontal folds (13) in the film material, which folds serve as an inflation margin while pressurizing the bag.
摘要翻译: PCT No.PCT / FI96 / 00519 Sec。 371日期:1998年4月3日 102(e)1998年4月3日PCT PCT 1996年10月2日PCT公布。 公开号WO97 / 13112 PCT 日期1997年04月10日该方法涉及薄膜热交换器及其构造方法。 热交换器包括由薄膜材料制成的袋(1),以便将热量从袋内的冷凝蒸汽传递到待蒸发的液体在其外表面(18)上,以及用于分配蒸汽的进料通道阵列 (10)和液体到袋的内部和外部传热表面上。 根据本发明,在每个袋(1)的顶端(2)的内部,提供了与蒸汽通道(10)接合的基本上直的条带(11),袋子被紧固到该条带上; 与紧固相关联,袋的顶部边缘通过弯曲袋被拉直,从而袋子的中间部分相对于其侧面(12)升高,然后这样矫正的边缘被附着到 在袋内设置的条。 分别地,袋的底部边缘(3)可以被切割成向上凹入并且在矫直之后被固定到安装在袋的底端内部的条带(15),并且包括冷凝物去除通道(14)。 当矫正袋的顶部和底部边缘(2,3)时,在薄膜材料中产生水平折叠(13),折叠用作充气边缘,同时对袋加压。
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公开(公告)号:US5904807A
公开(公告)日:1999-05-18
申请号:US809775
申请日:1997-05-29
CPC分类号: F28F9/0275 , B01D3/008 , B01F15/0264 , B01F5/0601
摘要: A liquid distributor in an evaporator, intended in particular for the evaporation treatment of liquid suspensions which contain fibers or other such solid ingredients. The distributor comprises, located at the upper end of the heat exchange surface, a transverse frame, liquid conduits disposed therein distributing the liquid over the entire width of the heat exchange surface. According to the invention the liquid conduits are made up of feed conduits slanted obliquely downwards and of distribution conduits branching out therefrom and leading to the heat exchange surface. At the branching points of the conduits their wall surfaces on the downstream side with respect to the feed flow are rounded into curved dividing surfaces by means of which the dividing of the flow is carried out. Respectively the branching points on the upstream side with respect to the feed flow are equipped with sharp feeding tips in such a manner that the flow will travel in the feed conduit in a cascade-like manner over the feeding tips to the dividing surfaces, which will cause a division of the flow substantially equally among the distribution conduits.
摘要翻译: PCT No.PCT / FI95 / 00524 Sec。 371日期1997年5月29日 102(e)日期1997年5月29日PCT提交1995年9月26日PCT公布。 公开号WO96 / 09872 日期1996年4月4日蒸发器中的液体分配器,特别用于蒸发处理含有纤维或其它固体成分的液体悬浮液。 分配器包括位于热交换表面的上端的横向框架,设置在其中的液体导管将液体分配在热交换表面的整个宽度上。 根据本发明,液体管道由倾斜向下倾斜的进料管道和从其分支出的分配导管组成并导致热交换表面。 在导管的分支点处,其相对于进料流的下游侧的壁表面被倒圆成弯曲的分割表面,通过该分隔表面进行流动的分割。 分别相对于进料流的上游侧的分支点装配有尖锐的进料尖端,使得流动在进料管道中以类似级联的方式在进料尖端上行进到分离表面, 导致流体在分配管道中基本相等的分配。
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