JP5595710B2 - Moisture separator heater - Google Patents

Moisture separator heater Download PDF

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JP5595710B2
JP5595710B2 JP2009247425A JP2009247425A JP5595710B2 JP 5595710 B2 JP5595710 B2 JP 5595710B2 JP 2009247425 A JP2009247425 A JP 2009247425A JP 2009247425 A JP2009247425 A JP 2009247425A JP 5595710 B2 JP5595710 B2 JP 5595710B2
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heating fluid
header
discharge
supply
main body
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JP2011094839A (en
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美香 西村
浩一 吉村
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Toshiba Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin

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Description

本発明は、被加熱蒸気の湿分を分離して加熱する湿分分離加熱器に関する。   The present invention relates to a moisture separation heater for separating and heating the moisture of steam to be heated.

例えば原子力発電所等に設置される湿分分離加熱器（Moisture Separator Reheater：以後、ＭＳＲと称す。）は、高圧タービンから排出された湿り飽和蒸気の湿分を分離する機能と、湿分分離された被加熱蒸気を、加熱流体と熱交換させて再加熱する機能と、を有する。加熱流体には、例えば蒸気発生器からの主蒸気や、高圧タービンの排気等が用いられる。ＭＳＲで再加熱された被加熱蒸気は、低圧タービン等に供給される。   For example, a moisture separator heater (Moisture Separator Reheater: hereinafter referred to as MSR) installed in nuclear power plants and the like has a function of separating moisture saturated steam discharged from a high-pressure turbine and moisture separation. The heated steam is reheated by exchanging heat with the heating fluid. As the heating fluid, for example, main steam from a steam generator, exhaust from a high-pressure turbine, or the like is used. The heated steam reheated by the MSR is supplied to a low-pressure turbine or the like.

このようなＭＳＲは、例えば、特許文献１〜４に開示されているように、半球状の加熱器ヘッダが、本体容器の外部に設けられたものが知られている。これらの例のように、加熱器ヘッダを外部に設けることで、加熱流体をＭＳＲに供給するための外部配管の引き回し等の設計を容易することができる。   As such MSR, as disclosed in Patent Documents 1 to 4, for example, a hemispherical heater header is provided outside the main body container. By providing the heater header outside as in these examples, it is possible to facilitate the design such as routing of external piping for supplying the heating fluid to the MSR.

特公平６−７２７４９号公報Japanese Patent Publication No. 6-72749 特開２００８―１７５０７２号公報JP 2008-175072 A 特許第３９４４２２７号公報Japanese Patent No. 3944227 特許第４１２５６８３号公報Japanese Patent No. 4125683

ところが上述した例のＭＳＲは、加熱流体が流れる複数の伝熱配管によって形成される管束を、球形のヘッダの円形断面内に納める必要がある。この場合、当該管束は、正方形に近い形状の管配列にする必要がある。この場合、本体容器の内部を流通する被加熱蒸気の流路断面が小さくなる。このため、被加熱蒸気の圧力損失が大きくなる。   However, the MSR in the above-described example needs to store a tube bundle formed by a plurality of heat transfer pipes through which a heated fluid flows within a circular cross section of a spherical header. In this case, the tube bundle needs to have a tube arrangement having a shape close to a square. In this case, the cross section of the flow path of the heated steam that circulates inside the main body container is reduced. For this reason, the pressure loss of the steam to be heated increases.

当該被加熱蒸気の圧力損失が大きくなると、低圧タービンに導入するときの蒸気圧力が下がる等、プラント全体の熱効率が低下することがある。   When the pressure loss of the steam to be heated increases, the thermal efficiency of the entire plant may decrease, for example, the steam pressure when introduced into the low-pressure turbine decreases.

本発明は上述した課題を解決するためになされたものであり、その目的は、タービン用の湿分分離加熱器内を流通する被加熱蒸気の圧力損失を抑制することである。   The present invention has been made to solve the above-described problems, and an object of the present invention is to suppress pressure loss of steam to be heated that circulates in a moisture separation heater for a turbine.

上記目的を達成するための本発明に係る湿分分離加熱器は、内部に被加熱蒸気が流通する被加熱蒸気流路が形成された円筒形状の本体容器と、前記本体容器内で、前記被加熱蒸気流路を少なくとも上流側空間および下流側空間の２つに仕切るように配置されて、前記上流側空間にある前記被加熱蒸気の湿分を分離して前記下流側空間に流通されるように構成された湿分分離部と、前記下流側空間内に配置されて、前記被加熱蒸気を加熱するための加熱流体が内部を流通し、両側端部が開放された複数の伝熱配管からなる伝熱配管群と、加熱流体供給部から前記加熱流体が供給されて、前記加熱流体を前記伝熱配管群に供給させて、前記下流側空間内で前記加熱流体と熱交換させた後に加熱流体排出部から外部に排出するように構成された加熱器ヘッダと、前記伝熱配管の両側端部と前記加熱器ヘッダとを気密に結合する管板と、を有する湿分分離加熱器において、前記各伝熱配管それぞれは、前記本体容器の長手方向に延びて前記下流側空間内に配置された往路部と、前記長手方向に延びて前記下流側空間内に配置された復路部と、前記往路部および復路部それぞれを前記管板から遠い側で互いに連結する曲管部と、を備え、前記加熱流体が供給される前記各往路部の開口部が全体で矩形になるように配列されて供給側矩形管束部を形成し、前記加熱流体が吐出される前記各復路部それぞれの開口部が全体で矩形になるように配列されて且つ前記供給側矩形管束部に隣接するように排出側矩形管束部を形成し、前記供給側矩形管束部および前記排出側矩形管束部が前記管板に結合するように構成されて、前記加熱器ヘッダは、前記加熱流体供給部および加熱流体排出部それぞれが、前記本体容器の外側に配置されて、前記本体容器の長手方向端部を貫通して、前記加熱流体供給部および供給側矩形管束部を連通するように供給用流路部が形成されて、前記供給用流路に隣接して前記供給用流路部と一体となって前記長手方向端部を貫通して、前記加熱流体排出部および排出側矩形管束部を連通する排出用流路部が形成されて、前記供給用流路部および排出用流路部がそれぞれ一体となって前記管板に気密に結合されており、前記供給側矩形管束部の横断面、前記排出側矩形管束部の横断面、前記供給用流路部のうち前記本体容器を貫通する貫通部の横断面、および前記排出用流路部のうち当該本体容器を貫通する貫通部の横断面は、それぞれ、水平方向には長く且つ当該水平方向と前記長手方向に直交する上下方向には水平方向に比べて短い長方形状をなしており、前記供給側矩形管束部と前記排出側矩形管束部、および前記供給用流路部と前記排出用流路部は、それぞれ、前記上下方向に隣り合って配置されていることを特徴とする。 In order to achieve the above object, a moisture separator / heater according to the present invention comprises a cylindrical main body container having a heated steam flow path through which heated steam flows, and the target container within the main body container. The heating steam channel is arranged so as to be divided into at least an upstream space and a downstream space, so that the moisture of the heated steam in the upstream space is separated and distributed to the downstream space. A moisture separator configured in the above, and a plurality of heat transfer pipes disposed in the downstream space, in which a heating fluid for heating the steam to be heated circulates, and whose both end portions are open. The heating fluid is supplied from the heat transfer piping group and the heating fluid supply unit, the heating fluid is supplied to the heat transfer piping group, and heat is exchanged with the heating fluid in the downstream space. Heating configured to drain out of the fluid drain In the moisture separation heater having a header, and a tube plate for airtightly coupling the both side ends of the heat transfer pipe and the heater header, each of the heat transfer pipes is arranged in the longitudinal direction of the main body container. The forward path portion extending and disposed in the downstream space, the return path portion extending in the longitudinal direction and disposed in the downstream space, and the forward path portion and the return path portion respectively on the side far from the tube plate A curved pipe section to be connected, and an opening of each forward path section to which the heating fluid is supplied is arranged so as to be rectangular as a whole to form a supply side rectangular pipe bundle section, and the heating fluid is discharged. The return-side rectangular tube bundle portion and the discharge side rectangular tube bundle portion are formed so that the openings of the respective return path portions are arranged in a rectangular shape as a whole and are adjacent to the supply-side rectangular tube bundle portion. Side rectangular tube bundle is connected to the tube plate In the heater header, each of the heating fluid supply unit and the heating fluid discharge unit is disposed outside the main body container, penetrates the longitudinal end of the main body container, and the heating header A supply channel portion is formed so as to communicate the fluid supply portion and the supply side rectangular tube bundle portion, and the longitudinal end portion is integrated with the supply channel portion adjacent to the supply channel. A discharge passage portion is formed through the heating fluid discharge portion and the discharge-side rectangular tube bundle portion, and the supply flow passage portion and the discharge flow passage portion are integrated into the tube plate. A cross section of the supply side rectangular tube bundle portion, a cross section of the discharge side rectangular tube bundle portion, a cross section of a penetrating portion penetrating the main body container in the supply flow path portion, and the discharge Next to the penetration part that penetrates the main body container Each of the cross sections has a rectangular shape that is long in the horizontal direction and shorter in the vertical direction perpendicular to the horizontal direction and the longitudinal direction than the horizontal direction, and the supply side rectangular tube bundle portion and the discharge side rectangular tube bundle parts, and the supply passage portion and the discharge channel portion, respectively, characterized that you are disposed adjacent to the vertical direction.

本発明によれば、タービン用の湿分分離加熱器内を流通する被加熱蒸気の圧力損失を抑制することが可能になる。   ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to suppress the pressure loss of the to-be-heated steam which distribute | circulates the inside of the moisture separation heater for turbines.

本発明に係る湿分分離加熱器の第１の実施形態の構成を示す概略正面図である。It is a schematic front view which shows the structure of 1st Embodiment of the moisture separation heater based on this invention. 図１のII-II矢視側面図である。It is the II-II arrow side view of FIG. 図１の第１加熱器ヘッダ等を示す概略斜視図である。It is a schematic perspective view which shows the 1st heater header etc. of FIG. 本発明に係る湿分分離加熱器の第２の実施形態の構成を示す概略正面図である。It is a schematic front view which shows the structure of 2nd Embodiment of the moisture separation heater based on this invention. 図４のV-V矢視側面図である。It is a VV arrow side view of FIG. 本発明に係る湿分分離加熱器の第３の実施形態の構成を示す概略正面図である。It is a schematic front view which shows the structure of 3rd Embodiment of the moisture separation heater based on this invention. 図６のVII-VII矢視側面図である。It is a VII-VII arrow side view of FIG. 図６の合併加熱器ヘッダ等を示す概略斜視図である。It is a schematic perspective view which shows the merged heater header etc. of FIG. 本発明に係る湿分分離加熱器の第４の実施形態で、第１加熱器ヘッダ等を示す概略斜視図である。It is a schematic perspective view which shows a 1st heater header etc. in 4th Embodiment of the moisture separation heater which concerns on this invention. 本発明に係る湿分分離加熱器の第５の実施形態で、合併加熱器ヘッダ等を示す概略斜視図である。It is a schematic perspective view which shows a merged heater header etc. in 5th Embodiment of the moisture separation heater based on this invention. 本発明に係る湿分分離加熱器の第６の実施形態の構成を示す概略正面図である。It is a schematic front view which shows the structure of 6th Embodiment of the moisture separation heater based on this invention. 図１１のXII-XII矢視側面図である。It is a XII-XII arrow side view of FIG. 本発明に係る湿分分離加熱器の第７の実施形態の構成を示す概略正面図である。It is a schematic front view which shows the structure of 7th Embodiment of the moisture separation heater based on this invention. 図１３のXIV-XIV矢視側面図である。FIG. 14 is a side view taken along the line XIV-XIV in FIG. 13.

以下、本発明に係る湿分分離加熱器の実施形態について、図面を参照して説明する。   Hereinafter, an embodiment of a moisture separation heater according to the present invention will be described with reference to the drawings.

［第１の実施形態］
本発明に係る湿分分離加熱器の第１の実施形態について、図１〜図３を用いて説明する。図１は、本実施形態に係る湿分分離加熱器の構成を示す概略正面図である。図２は、図１のII-II矢視側面図である。図３は、図１の第１加熱器ヘッダ５０等を示す概略斜視図である。なお、図３は、第１加熱流体供給部５１および第１加熱流体排出部５２等の図示は省略しており、第１供給用流路部５３、第１排出用流路部５４、第１仕切り板５０ａ等は仮想的に示している。 [First Embodiment]
1st Embodiment of the moisture separation heater which concerns on this invention is described using FIGS. 1-3. FIG. 1 is a schematic front view showing a configuration of a moisture separation heater according to the present embodiment. FIG. 2 is a side view taken along the line II-II in FIG. FIG. 3 is a schematic perspective view showing the first heater header 50 and the like of FIG. In FIG. 3, the first heating fluid supply unit 51, the first heating fluid discharge unit 52, and the like are not shown, and the first supply channel unit 53, the first discharge channel unit 54, and the first The partition plate 50a and the like are shown virtually.

先ず、本実施形態の湿分分離加熱器の構成について説明する。   First, the structure of the moisture separation heater of this embodiment is demonstrated.

この湿分分離加熱器は、図１に示すように、両側が鏡板１ａによって封鎖されて長手方向が水平になるように配置された円筒形の本体容器１と、この本体容器１の内部に設けられた湿分分離部４と、複数の伝熱配管１０からなる第１伝熱配管群５５および第２伝熱配管群７５と、第１加熱器ヘッダ５０および第２加熱器ヘッダ７０と、第１加熱器ヘッダ５０および第１伝熱配管群５５を連結する第１管板６０と、第２加熱器ヘッダ７０および第２伝熱配管群７５を連結する第２管板８０と、を有する。   As shown in FIG. 1, the moisture separator / heater is provided inside a cylindrical main body container 1 which is arranged so that both sides are sealed by a mirror plate 1 a and the longitudinal direction thereof is horizontal. The obtained moisture separator 4, the first heat transfer pipe group 55 and the second heat transfer pipe group 75 including the plurality of heat transfer pipes 10, the first heater header 50 and the second heater header 70, It has the 1st tube sheet 60 which connects the 1 heater header 50 and the 1st heat transfer piping group 55, and the 2nd tube sheet 80 which connects the 2nd heater header 70 and the 2nd heat transfer piping group 75.

本体容器１には、被加熱蒸気が流入するための蒸気入口部（図示せず）が下側に設けられて、本体容器１内部を流通した被加熱蒸気が排気される蒸気排気部（図示せず）が上側に設けられている。この本体容器１の内部は、図１の矢印Ａで示すように、蒸気入口部から蒸気排気部に向かう被加熱蒸気流路が形成されている。ここで、鏡板１ａは、本体容器１の長手方向端部に形成された曲端面である。   The main body container 1 is provided with a steam inlet (not shown) through which the heated steam flows in, and a steam exhaust section (not shown) through which the heated steam flowing through the main body container 1 is exhausted. Is provided on the upper side. As shown by an arrow A in FIG. 1, a heated steam flow path from the steam inlet portion toward the steam exhaust portion is formed inside the main body container 1. Here, the end plate 1 a is a curved end surface formed at the end in the longitudinal direction of the main body container 1.

本体容器１の内部に設けられた湿分分離部４は、被加熱蒸気流路を上流側空間２および下流側空間３の２つに仕切るように配置されて、上流側空間２にある被加熱蒸気の湿分を分離して下流側空間３に流通されるように構成されている。ここで、上流側空間２は、本体容器１の下方に形成されて、下流側空間３は上方に形成される。   The moisture separator 4 provided inside the main body container 1 is disposed so as to partition the heated steam flow path into two parts, an upstream space 2 and a downstream space 3, and is to be heated in the upstream space 2. The steam moisture is separated and distributed to the downstream space 3. Here, the upstream space 2 is formed below the main body container 1, and the downstream space 3 is formed above.

複数の伝熱配管１０それぞれは、本体容器１の下流側空間３の内部に配置されて、被加熱蒸気を加熱するための加熱流体が内部を流通する。この伝熱配管１０の外側の空間を、被加熱蒸気が流れて、加熱流体と熱交換される。   Each of the plurality of heat transfer pipes 10 is disposed inside the downstream space 3 of the main body container 1, and a heating fluid for heating the steam to be heated flows therethrough. The heated steam flows through the space outside the heat transfer pipe 10 and exchanges heat with the heating fluid.

本実施形態では、温度の異なる２種類の加熱流体、すなわち、第１加熱流体と、第１加熱流体よりも高温の第２加熱流体が、それぞれ流れるように構成されている。上述の第１伝熱配管群５５には第１加熱流体が流れて、第２伝熱配管群７５には第１加熱流体よりも高温の第２加熱流体が流れるように構成されている。   In the present embodiment, two types of heating fluids having different temperatures, that is, a first heating fluid and a second heating fluid having a temperature higher than that of the first heating fluid are configured to flow. The first heating fluid flows through the first heat transfer piping group 55 described above, and the second heating fluid having a temperature higher than that of the first heating fluid flows through the second heat transfer piping group 75.

ここで、第１伝熱配管群５５を構成する各伝熱配管１０の構成について説明する。図１では、当該伝熱配管１０は、輪郭の概略を点線で示されている。この伝熱配管１０は、両側それぞれが開口している１本の配管が、アルファベットの「Ｕ」を、横倒しにしたような形状になるように曲げられたものである。すなわち、この伝熱配管１０は、第１加熱流体が流入する側の開口部から水平に延びた往路部１１と、この往路部１１の下方に平行に配置されて第１加熱流体を排出する開口部が形成された復路部１２と、これら往路部１１および復路部１２それぞれの開口側から遠い方で互いを連結する曲管部１３と、により構成されている。この伝熱配管１０は、第１加熱流体が供給される側の供給側と、第１加熱流体が排出される排出側が、同じ側になるように配置されている。なお、詳細な説明は省略するが、第２伝熱配管群７５を構成する各伝熱配管１０は、第１伝熱配管群５５の伝熱配管１０と同じ構成である。   Here, the configuration of each heat transfer pipe 10 constituting the first heat transfer pipe group 55 will be described. In FIG. 1, the outline of the heat transfer pipe 10 is indicated by a dotted line. The heat transfer pipe 10 is formed by bending one pipe, which is open on both sides, into a shape in which the alphabet “U” is laid sideways. That is, the heat transfer pipe 10 includes an outward path portion 11 extending horizontally from an opening on the side into which the first heating fluid flows, and an opening disposed in parallel below the forward path portion 11 to discharge the first heating fluid. The return path part 12 in which the part is formed, and the curved pipe part 13 that connects the forward path part 11 and the return path part 12 to each other at the far side from the opening side. The heat transfer pipe 10 is arranged such that the supply side on the side where the first heating fluid is supplied and the discharge side where the first heating fluid is discharged are on the same side. In addition, although detailed description is abbreviate | omitted, each heat-transfer piping 10 which comprises the 2nd heat-transfer piping group 75 is the same structure as the heat-transfer piping 10 of the 1st heat-transfer piping group 55. FIG.

図２に示すように、第１伝熱配管群５５は、各伝熱配管１０の各往路部１１の開口部が全体で矩形、すなわち水平に長い長方形状になるように配列されて第１供給側矩形管束部５６を形成し、各復路部１２の開口部が全体で第１供給側矩形管束部５６と同様の長方形状になるように配列されて第１排出側矩形管束部５７を形成する。第１供給側矩形管束部５６および第１排出側矩形管束部５７は、上下に隣接するように配置されて全体で１つの横長の長方形状になるように形成される。第１供給側矩形管束部５６および第１排出側矩形管束部５７は、第１管板６０に第１加熱流体が漏れないように気密を保ちながら接続されている。   As shown in FIG. 2, the first heat transfer pipe group 55 is arranged in such a manner that the openings of the respective forward passage portions 11 of the respective heat transfer pipes 10 are rectangular as a whole, that is, horizontally long rectangular shapes, and are supplied first. The side rectangular tube bundle portion 56 is formed, and the first discharge side rectangular tube bundle portion 57 is formed by arranging the return passage portions 12 so that the openings of the return passage portions 12 as a whole have the same rectangular shape as the first supply side rectangular tube bundle portion 56. . The first supply-side rectangular tube bundle portion 56 and the first discharge-side rectangular tube bundle portion 57 are disposed so as to be adjacent to each other in the vertical direction, and are formed so as to form one horizontally long rectangle as a whole. The first supply-side rectangular tube bundle portion 56 and the first discharge-side rectangular tube bundle portion 57 are connected to the first tube plate 60 while being kept airtight so that the first heating fluid does not leak.

第１伝熱配管群５５を構成する各伝熱配管１０は、各往路部１１および各復路部１２を合わせた横断面が、第１供給側矩形管束部５６および第１排出側矩形管束部５７が配列された形状、すなわち長方形状になるように、配列されている。   Each of the heat transfer pipes 10 constituting the first heat transfer pipe group 55 has a first cross section including a first supply side rectangular tube bundle part 56 and a first discharge side rectangular pipe bundle part 57. Are arranged so as to be in an arranged shape, that is, a rectangular shape.

同様に、第２伝熱配管群７５は、各伝熱配管１０の各往路部１１の開口部が全体で矩形、すなわち水平に長い長方形状になるように配列されて第２供給側矩形管束部７６を形成し、各復路部１２の開口部が全体で第２供給側矩形管束部７６と同様の長方形状になるように配列されて第２排出側矩形管束部７７を形成する。第２供給側矩形管束部７６および第２排出側矩形管束部７７は、上下に隣接するように配置されて全体で１つの長方形状になるように形成される。第２供給側矩形管束部７６および第２排出側矩形管束部７７は、第２管板８０に第２加熱流体が漏れないように気密を保ちながら接続される。   Similarly, the second heat transfer pipe group 75 is arranged such that the openings of the respective forward passage portions 11 of the respective heat transfer pipes 10 have a rectangular shape as a whole, that is, a horizontally long rectangular shape. 76, and the second discharge side rectangular tube bundle portion 77 is formed by arranging the openings of the return passage portions 12 so as to have a rectangular shape similar to that of the second supply side rectangular tube bundle portion 76 as a whole. The second supply side rectangular tube bundle portion 76 and the second discharge side rectangular tube bundle portion 77 are arranged so as to be adjacent to each other in the vertical direction, and are formed so as to form one rectangular shape as a whole. The second supply-side rectangular tube bundle portion 76 and the second discharge-side rectangular tube bundle portion 77 are connected to the second tube plate 80 while being kept airtight so that the second heating fluid does not leak.

第２伝熱配管群７５を構成する各伝熱配管１０は、各往路部１１および各復路部１２の横断面が、第２供給側矩形管束部７６および第２排出側矩形管束部７７が配列されてなる長方形状と同じになるように、配列されている。また、この第２伝熱配管群７５は、第１伝熱配管群５５の上方に隣接するように配置されており、第２伝熱配管群７５の管束の水平方向長さは、第１伝熱配管群５５の管束の水平方向長さよりも長くなるように構成されている。   In each heat transfer pipe 10 constituting the second heat transfer pipe group 75, the cross sections of the forward path portions 11 and the return path portions 12 are arranged such that the second supply side rectangular tube bundle portion 76 and the second discharge side rectangular tube bundle portion 77 are arranged. It is arranged so as to be the same as the rectangular shape formed. The second heat transfer pipe group 75 is arranged adjacent to the upper side of the first heat transfer pipe group 55, and the horizontal length of the tube bundle of the second heat transfer pipe group 75 is the first heat transfer pipe group 75. The heat pipe group 55 is configured to be longer than the horizontal length of the tube bundle.

図１に示すように、第１加熱器ヘッダ５０は、第１管板６０に気密を保ちながら連結された圧力容器である。この第１加熱器ヘッダ５０は、第１加熱流体が供給される第１加熱流体供給部５１と、第１管板６０を介して第１加熱流体供給部５１および第１供給側矩形管束部５６を連通させる第１供給用流路部５３と、第１排出側矩形管束部５７から排出された第１加熱流体が流通可能な第１排出用流路部５４と、この第１排出用流路部５４に連結されて第１加熱流体を外部に排出する第１加熱流体排出部５２と、を有する。   As shown in FIG. 1, the first heater header 50 is a pressure vessel connected to the first tube plate 60 while keeping airtightness. The first heater header 50 includes a first heating fluid supply unit 51 to which a first heating fluid is supplied, a first heating fluid supply unit 51 and a first supply side rectangular tube bundle unit 56 via a first tube plate 60. A first supply flow path portion 53 that communicates with each other, a first discharge flow path portion 54 through which the first heating fluid discharged from the first discharge-side rectangular tube bundle portion 57 can flow, and the first discharge flow path. And a first heating fluid discharge part 52 that is connected to the part 54 and discharges the first heating fluid to the outside.

第１供給用流路部５３および第１排出用流路部５４は、互いに上下に隣接するように配置されて、一体となって本体容器１の一方の鏡板１ａを貫通する。ここで、図３に示すように、鏡板１ａの貫通部は、気密を保つように形成された円形の円形貫通部９１である。この円形貫通部９１よりも内側、すなわち、本体容器１の内側の第１供給用流路部５３および第１排出用流路部５４は、第１管板６０側が長方形状で、円形貫通部９１に向かって徐々に変形して、円形になるように形成されている。   The first supply flow path portion 53 and the first discharge flow path portion 54 are arranged so as to be adjacent to each other in the vertical direction, and integrally penetrate one end plate 1 a of the main body container 1. Here, as shown in FIG. 3, the penetrating portion of the end plate 1a is a circular circular penetrating portion 91 formed so as to be airtight. The first supply channel 53 and the first discharge channel 54 inside the circular penetration 91, that is, inside the main body container 1, have a rectangular shape on the first tube plate 60 side, and the circular penetration 91 It is formed so as to be gradually deformed toward a circular shape.

当該円形貫通部９１よりも外側の第１供給用流路部５３および第１排出用流路部５４は、円筒形状である。この円筒形状の端部は半球状である。この半球状の内部に第１加熱流体供給部５１および第１加熱流体排出部５２が形成されている。   The first supply flow path portion 53 and the first discharge flow path portion 54 outside the circular penetrating portion 91 have a cylindrical shape. The cylindrical end is hemispherical. A first heating fluid supply unit 51 and a first heating fluid discharge unit 52 are formed inside the hemisphere.

第１加熱器ヘッダ５０の内部には、内部を上下に仕切る第１仕切り板５０ａが取り付けられている。この第１仕切り板５０ａの上側に、第１加熱流体供給部５１および第１供給用流路部５３が形成されて、下側に第１加熱流体排出部５２および第１排出用流路部５４が形成されている。   Inside the first heater header 50, a first partition plate 50a that partitions the inside up and down is attached. A first heating fluid supply section 51 and a first supply flow path section 53 are formed on the upper side of the first partition plate 50a, and a first heating fluid discharge section 52 and a first discharge flow path section 54 are formed on the lower side. Is formed.

半球容器の上側の第１加熱流体供給部５１には、図示は省略するが、第１加熱流体を供給するための供給口が形成されている。また、半球容器の下側の第１加熱流体排出部５２には、ドレン口等が設けられて、熱交換を行った後の第１加熱流体が排出可能に構成されている。   Although not shown in the drawing, the first heating fluid supply unit 51 on the upper side of the hemispherical container is provided with a supply port for supplying the first heating fluid. Further, the first heating fluid discharge part 52 below the hemispherical container is provided with a drain port or the like so that the first heating fluid after heat exchange can be discharged.

第２加熱器ヘッダ７０は、第１加熱器ヘッダ５０と同様に、第２管板８０に気密を保ちながら連結された圧力容器である。この第２加熱器ヘッダ７０は、第２加熱流体が供給される第２加熱流体供給部７１と、第２管板８０を介して第２加熱流体供給部７１および第２供給側矩形管束部７６を連通させる第２供給用流路部７３と、第２排出側矩形管束部７７から排出された第２加熱流体が流通可能な第２排出用流路部７４と、この第２排出用流路部７４に連結されて第２加熱流体を外部に排出する第２加熱流体排出部７２と、を有する。   Similar to the first heater header 50, the second heater header 70 is a pressure vessel connected to the second tube plate 80 while keeping airtightness. The second heater header 70 includes a second heating fluid supply part 71 to which a second heating fluid is supplied, a second heating fluid supply part 71 and a second supply side rectangular tube bundle part 76 via a second tube plate 80. A second supply flow path portion 73 that allows the second heating fluid discharged from the second discharge side rectangular tube bundle portion 77 to flow therethrough, and the second discharge flow path portion. A second heating fluid discharge portion 72 connected to the portion 74 and discharging the second heating fluid to the outside.

第２供給用流路部７３および第２排出用流路部７４は、第２仕切り板７０ａを境にして互いに上下に隣接するように配置されて、一体となって本体容器１の鏡板１ａを貫通する。ここで、鏡板１ａの貫通部は、気密を保つように形成された円形の円形貫通部９１である。   The second supply flow path portion 73 and the second discharge flow path portion 74 are arranged so as to be adjacent to each other vertically with the second partition plate 70a as a boundary, and the end plate 1a of the main body container 1 is integrally formed. To penetrate. Here, the penetrating portion of the end plate 1a is a circular circular penetrating portion 91 formed so as to be kept airtight.

第２加熱流体供給部７１、第２供給用流路部７３、第２加熱流体排出部７２、および第２排出用流路部７４の関係は、上述の第１加熱器ヘッダ５０と同様に構成されている。   The relationship between the second heating fluid supply section 71, the second supply flow path section 73, the second heating fluid discharge section 72, and the second discharge flow path section 74 is configured similarly to the first heater header 50 described above. Has been.

第１加熱流体供給部５１および第１加熱流体排出部５２と同様に、第２加熱流体供給部７１には第２加熱流体を供給するための供給口が形成されて、第２加熱流体排出部７２にはドレン口等が設けられて熱交換を行った後の第２加熱流体が排出可能に構成さている。   Similar to the first heating fluid supply part 51 and the first heating fluid discharge part 52, the second heating fluid supply part 71 is provided with a supply port for supplying the second heating fluid, and the second heating fluid discharge part 72 is provided with a drain port or the like so that the second heating fluid after heat exchange can be discharged.

ここで、本実施形態の被加熱蒸気の流れ、並びに、第１および第２加熱流体の流れについて説明する。先ず、被加熱蒸気の流れについて説明する。   Here, the flow of the steam to be heated and the flows of the first and second heating fluids of the present embodiment will be described. First, the flow of heated steam will be described.

当該被加熱蒸気は、本体容器１の下方に設けられた蒸気入口部から上流側空間２へ供給される。この後に、湿分分離部４を通過して被加熱蒸気の湿分が分離される。湿分が分離された被加熱蒸気は、下流側空間３へ供給される。ここで、第１伝熱配管群５５の各伝熱配管１０内を流れる第１加熱流体と、熱交換されながら上昇する。   The heated steam is supplied to the upstream space 2 from a steam inlet provided below the main body container 1. Thereafter, the moisture of the steam to be heated is separated through the moisture separator 4. The heated steam from which moisture has been separated is supplied to the downstream space 3. Here, it rises while being heat-exchanged with the first heating fluid flowing in each heat transfer pipe 10 of the first heat transfer pipe group 55.

次に、第２伝熱配管群７５の各伝熱配管１０内を流れる第２加熱流体と熱交換されて上昇する。この後に、本体容器１の上側に設けられた蒸気排気部から排気される。排気された被加熱蒸気は、図示は省略するが、低圧タービン等へ供給される。   Next, the heat is exchanged with the second heating fluid flowing in the heat transfer pipes 10 of the second heat transfer pipe group 75, and the heat transfer pipes rise. After that, the steam is exhausted from a steam exhaust part provided on the upper side of the main body container 1. The exhausted heated steam is supplied to a low-pressure turbine or the like, although not shown.

次に、第１加熱流体および第２加熱流体の流れについて説明する。   Next, the flow of the first heating fluid and the second heating fluid will be described.

第１加熱流体は、第１加熱器ヘッダ５０の第１加熱流体供給部５１に外部から供給される。第１加熱流体供給部５１に供給された第１加熱流体は、第１供給用流路部５３の内部を第１管板６０の上半部に向かって流れる。第１管板６０の上半部を通り抜けた第１加熱流体は、第１伝熱配管１０部の各伝熱配管１０の往路部１１に供給される。往路部１１を流れる第１加熱流体は、曲管部１３および復路部１２を流れて第１管板６０の下半部へ向かう。   The first heating fluid is supplied from the outside to the first heating fluid supply unit 51 of the first heater header 50. The first heating fluid supplied to the first heating fluid supply part 51 flows toward the upper half of the first tube plate 60 through the inside of the first supply channel part 53. The first heating fluid that has passed through the upper half of the first tube sheet 60 is supplied to the forward path portion 11 of each heat transfer pipe 10 of the first heat transfer pipe 10 portion. The first heated fluid flowing in the forward path portion 11 flows through the curved pipe portion 13 and the return path portion 12 toward the lower half of the first tube plate 60.

往路部１１、曲管部１３、復路部１２を流れている第１加熱流体は、被加熱蒸気と熱交換されて、冷却される。復路部１２を流通して第１管板６０の下半部を通り抜けた第１加熱流体は、第１加熱器ヘッダ５０の第１排出用流路部５４を流れて、第１加熱流体排出部５２へ流れて、ドレン口等から外部へ排出される。   The first heating fluid flowing through the forward path portion 11, the curved pipe portion 13, and the return path portion 12 is cooled by heat exchange with the steam to be heated. The first heating fluid that has flowed through the return path portion 12 and passed through the lower half portion of the first tube plate 60 flows through the first discharge flow path portion 54 of the first heater header 50, and the first heating fluid discharge portion. It flows to 52, and is discharged | emitted from the drain port etc. outside.

第２加熱流体は、第２加熱器ヘッダ７０の第２加熱流体供給部７１に外部から供給される。第２加熱流体供給部７１に供給された第２加熱流体は、第２供給用流路部７３の内部を第２管板８０の上半部に向かって流れる。第２管板８０の上半部を通り抜けた第２加熱流体は、第２伝熱配管群７５の各伝熱配管１０の往路部１１に供給される。往路部１１を流れる第２加熱流体は、曲管部１３および復路部１２を流れて第２管板８０の下半部へ向かう。   The second heating fluid is supplied to the second heating fluid supply unit 71 of the second heater header 70 from the outside. The second heating fluid supplied to the second heating fluid supply part 71 flows through the inside of the second supply channel part 73 toward the upper half of the second tube plate 80. The second heating fluid that has passed through the upper half of the second tube sheet 80 is supplied to the forward path portion 11 of each heat transfer pipe 10 of the second heat transfer pipe group 75. The second heating fluid flowing in the forward path portion 11 flows through the curved pipe portion 13 and the return path portion 12 toward the lower half of the second tube plate 80.

往路部１１、曲管部１３、復路部１２を流れている第２加熱流体は、第１加熱流体で加熱された被加熱蒸気を加熱する。復路部１２を流通して第２管板８０の下半部を通り抜けた第２加熱流体は、第２加熱器ヘッダ７０の第２排出用流路部７４を流れて、第２加熱流体排出部７２へ流れて、ドレン口等から外部へ排出される。   The second heating fluid flowing through the forward path section 11, the curved pipe section 13, and the return path section 12 heats the heated steam heated by the first heating fluid. The second heating fluid that has flowed through the return path portion 12 and passed through the lower half portion of the second tube plate 80 flows through the second discharge flow path portion 74 of the second heater header 70, and the second heating fluid discharge portion. It flows to 72, and is discharged | emitted from the drain port etc. outside.

以上の説明からわかるように本実施形態によれば、本体容器１の内部に配置された第１伝熱配管群５５および第２伝熱配管群７５それぞれの管束が、水平に長い長方形状となるように構成することができる。これにより、本体容器１内を鉛直上向きに流れる被加熱蒸気の流路水平断面を、より大きく形成することが可能になる。すなわち、管束の水平方向端部を本体容器１の内壁付近まで近づけることが可能になるため、本体容器１内を、被加熱蒸気流路としてより有効に活用することが可能になる。   As can be seen from the above description, according to the present embodiment, the tube bundles of the first heat transfer pipe group 55 and the second heat transfer pipe group 75 arranged inside the main body container 1 have a horizontally long rectangular shape. It can be constituted as follows. Thereby, it becomes possible to form a larger flow path horizontal section of the steam to be heated that flows vertically upward in the main body container 1. That is, since the horizontal end of the tube bundle can be brought close to the vicinity of the inner wall of the main body container 1, the inside of the main body container 1 can be used more effectively as a heated steam channel.

これにより、被加熱蒸気の圧力損失を抑制することが可能になり、プラント全体の熱効率を向上させることができる。   Thereby, it becomes possible to suppress the pressure loss of to-be-heated steam, and can improve the thermal efficiency of the whole plant.

また、本実施形態によれば、第１および第２加熱器ヘッダ５０、７０を本体容器１の外側に配置していることで、各加熱器ヘッダ５０、７０に外部から接続される配管をより簡素にすることが可能になる。このため、定期点検時等で本体容器１の内部へのアクセスが容易になり、効率よくメンテナンスを行うことができる。   In addition, according to the present embodiment, the first and second heater headers 50 and 70 are arranged outside the main body container 1, so that the pipes connected to the heater headers 50 and 70 from the outside can be more connected. It becomes possible to simplify. For this reason, it becomes easy to access the inside of the main body container 1 at the time of periodic inspection and the like, and maintenance can be performed efficiently.

［第２の実施形態］
本発明に係る湿分分離加熱器の第２の実施形態について、図４および図５を用いて説明する。図４は、本実施形態に係る湿分分離加熱器の構成を示す概略正面図である。図５は、図４のV-V矢視側面図である。なお、本実施形態は、第１の実施形態の変形例であって、第１の実施形態と同一部分または類似部分には、同一符号を付して、重複説明を省略する。 [Second Embodiment]
A second embodiment of the moisture separation heater according to the present invention will be described with reference to FIGS. 4 and 5. FIG. 4 is a schematic front view showing the configuration of the moisture separation heater according to this embodiment. FIG. 5 is a side view taken along arrow VV in FIG. In addition, this embodiment is a modification of 1st Embodiment, Comprising: The same code | symbol is attached | subjected to the same part or similar part as 1st Embodiment, and duplication description is abbreviate | omitted.

本実施形態の湿分分離加熱器は、図４および図５に示すように、第１供給用流路部５３および第１排出用流路部５４が一体となって本体容器１の鏡板１ａを貫通する部位は、気密を保つように且つ矩形に形成された矩形貫通部９３である。この矩形貫通部９３は、第１供給側矩形管束部５６および第１排出側矩形管束部５７を合わせた長方形状、すなわち、第１管板６０の輪郭形状と同様の形状である。このとき、長方形の４隅は曲線になるように形成しておくとよい。   As shown in FIGS. 4 and 5, the moisture separator / heater according to this embodiment is configured such that the first supply flow path portion 53 and the first discharge flow path portion 54 are integrated to form the end plate 1 a of the main body container 1. The part which penetrates is the rectangular penetration part 93 formed in the rectangle so that airtightness may be maintained. The rectangular penetrating portion 93 has a rectangular shape in which the first supply-side rectangular tube bundle portion 56 and the first discharge-side rectangular tube bundle portion 57 are combined, that is, the same shape as the contour shape of the first tube plate 60. At this time, the four corners of the rectangle are preferably formed to be curved.

また、第１供給用流路部５３および第１排出用流路部５４は、一体となって矩形貫通部９３から本低容器の長手方向外側に延びるように形成されている。この長手方向外側の端部には、第１加熱流体供給部５１および第１加熱流体排出部５２が形成されている。   Further, the first supply flow path portion 53 and the first discharge flow path portion 54 are integrally formed to extend from the rectangular through-hole portion 93 to the outside in the longitudinal direction of the present low container. A first heating fluid supply part 51 and a first heating fluid discharge part 52 are formed at the outer end in the longitudinal direction.

本体容器１の長手方向端部に形成された第１加熱流体供給部５１および第１加熱流体排出部５２は、本体容器１の長手方向に垂直で水平に延びた略半円筒である。この略半円筒の内部を上下に区切って、上側に第１加熱流体供給部５１、下側に第１加熱流体排出部５２が形成される。   The first heating fluid supply part 51 and the first heating fluid discharge part 52 formed at the end in the longitudinal direction of the main body container 1 are substantially semi-cylinders extending vertically and horizontally to the longitudinal direction of the main body container 1. A first heating fluid supply unit 51 is formed on the upper side and a first heating fluid discharge unit 52 is formed on the lower side by dividing the inside of the substantially semi-cylindrical portion vertically.

本実施形態によれば、第１の実施形態と同様に効果を得ると共に、第１供給用流路部５３および第１排出用流路部５４が貫通する貫通面の横断面形状を、第１管板６０と同じように水平に長い長方形状にすることで、本体容器１内部の第１供給用流路部５３および第１排出用流路部５４の構造をより簡素化できる。第２供給用流路部７３および第２排出用流路部７４についても同様の効果を得られる。   According to the present embodiment, the same effect as that of the first embodiment is obtained, and the cross-sectional shape of the through surface through which the first supply flow path portion 53 and the first discharge flow path portion 54 penetrate is set to the first. The structure of the first supply flow path portion 53 and the first discharge flow path portion 54 inside the main body container 1 can be further simplified by forming a rectangular shape that is horizontally long like the tube plate 60. The same effect can be obtained for the second supply channel 73 and the second discharge channel 74.

また、第１加熱流体供給部５１および第１加熱流体排出部５２が横長の容器になるため、供給口やドレン口等の外部配管設備の引き回し等の自由度が向上する。   Moreover, since the 1st heating fluid supply part 51 and the 1st heating fluid discharge part 52 become a horizontally long container, the freedom degree, such as routing of external piping facilities, such as a supply port and a drain port, improves.

［第３の実施形態］
本発明に係る湿分分離加熱器の第３の実施形態について、図６〜図８を用いて説明する。図６は、本実施形態に係る湿分分離加熱器の構成を示す概略正面図である。図７は、図６のVII-VII矢視側面図である。図８は、図６の合併加熱器ヘッダ１００等を示す概略斜視図である。なお、図８では、第１ヘッダ部１０１および第２ヘッダ部１０２の内部の詳細、例えば第１加熱流体供給部５１等の図示は省略している。 [Third Embodiment]
A third embodiment of the moisture separator / heater according to the present invention will be described with reference to FIGS. FIG. 6 is a schematic front view showing the configuration of the moisture separation heater according to this embodiment. 7 is a side view taken along arrow VII-VII in FIG. FIG. 8 is a schematic perspective view showing the merged heater header 100 of FIG. In FIG. 8, details of the inside of the first header part 101 and the second header part 102, for example, the first heating fluid supply part 51 and the like are not shown.

なお、本実施形態は、第１の実施形態の変形例であって、第１の実施形態と同一部分または類似部分には、同一符号を付して、重複説明を省略する。   In addition, this embodiment is a modification of 1st Embodiment, Comprising: The same code | symbol is attached | subjected to the same part or similar part as 1st Embodiment, and duplication description is abbreviate | omitted.

本実施形態の湿分分離加熱器は、図６および図７に示すように、第１の実施形態で説明した第１加熱器ヘッダ５０および第２加熱器ヘッダ７０が一体形成された合併加熱器ヘッダ１００を有する。この合併加熱器ヘッダ１００は、第１の実施形態の第１加熱器ヘッダ５０と同じ機能を備えた第１ヘッダ部１０１と、第２加熱器ヘッダ７０と同じ機能を備えた第２ヘッダ部１０２と、を有する。   As shown in FIGS. 6 and 7, the moisture separation heater of this embodiment is a combined heater in which the first heater header 50 and the second heater header 70 described in the first embodiment are integrally formed. It has a header 100. The combined heater header 100 includes a first header portion 101 having the same function as the first heater header 50 of the first embodiment and a second header portion 102 having the same function as the second heater header 70. And having.

この合併加熱器ヘッダ１００は、本体容器１の鏡板１ａを貫通するように配置されている。当該貫通部には、円形管板１１１が配置されている。   The combined heater header 100 is disposed so as to penetrate the end plate 1 a of the main body container 1. A circular tube plate 111 is disposed in the penetrating portion.

詳細な図示は省略しているが、この円形管板１１１の内側には、第１管板６０と連通する第１供給用流路部５３および第１排出用流路部５４がそれぞれ上下に並ぶように形成されている。第１供給用流路部５３は第１管板６０の上半部に接続されて、第１排出側供給部５４は第１管板６０の下半部に接続される。   Although not shown in detail, a first supply flow channel portion 53 and a first discharge flow channel portion 54 communicating with the first tube plate 60 are arranged vertically inside the circular tube plate 111, respectively. It is formed as follows. The first supply flow path portion 53 is connected to the upper half portion of the first tube plate 60, and the first discharge side supply portion 54 is connected to the lower half portion of the first tube plate 60.

第１供給用流路部５３および第１排出用流路部５４は、円形管板１１１に気密を保つように接続される。これらが接続される接続面１２０は、図８に示すように、ほぼ正方形になるように形成されている。すなわち、第１供給用流路部５３および第１排出用流路部５４は、第１管板６０から円形管板１１１に向かって、水平に長い長方形から正方形になるように変形しながら延びるように形成されている。   The first supply channel 53 and the first discharge channel 54 are connected to the circular tube plate 111 so as to be airtight. As shown in FIG. 8, the connection surface 120 to which these are connected is formed to be substantially square. That is, the first supply flow path portion 53 and the first discharge flow path portion 54 extend from the first tube plate 60 toward the circular tube plate 111 while deforming from a horizontally long rectangle to a square. Is formed.

第１排出用流路部５４の下方には、第２管板８０と連通する第２供給用流路部７３および第２排出用流路部７４が上下に並ぶように形成されている。第２供給用流路部７３および第２排出用流路部７４は、第１供給用流路部５３および第１排出用流路部５４と同様に、円形管板１１１に気密を保つように接続される。これらが接続される接続面１２０は、ほぼ正方形である。   Below the first discharge channel portion 54, a second supply channel portion 73 and a second discharge channel portion 74 communicating with the second tube plate 80 are formed so as to be lined up and down. Similarly to the first supply flow path portion 53 and the first discharge flow path portion 54, the second supply flow path portion 73 and the second discharge flow path portion 74 are kept airtight in the circular tube plate 111. Connected. The connection surface 120 to which these are connected is substantially square.

円形管板１１１の外側には、半球形の容器が形成されている。この半球形の容器の内部には、上下に仕切るように設けられた水平仕切り板１１０が配置されて、この水平仕切り板１１０の上側に第１ヘッダ部１０１が形成されて、下側に第２ヘッダ部１０２が形成されている。第１ヘッダ部１０１の内部は、第１仕切り板５０ａによって、第１加熱流体供給部５１および第１加熱流体排出部５２に仕切られる。第２ヘッダ部１０２の内部は、第２仕切り板７０ａによって、第２加熱流体供給部７１および第２加熱流体排出部７２に仕切られている。すなわち、合併加熱器ヘッダ１００は、４つの空間（第１加熱流体供給部５１、第１加熱流体排出部５２、第２加熱流体供給部７１、第２加熱流体排出部７２）に仕切られている。   A hemispherical container is formed outside the circular tube sheet 111. Inside this hemispherical container, a horizontal partition plate 110 provided so as to partition vertically is disposed, a first header portion 101 is formed on the upper side of the horizontal partition plate 110, and a second header is formed on the lower side. A header portion 102 is formed. The inside of the first header part 101 is partitioned into a first heating fluid supply part 51 and a first heating fluid discharge part 52 by a first partition plate 50a. The inside of the second header portion 102 is partitioned into a second heating fluid supply portion 71 and a second heating fluid discharge portion 72 by a second partition plate 70a. That is, the combined heater header 100 is partitioned into four spaces (a first heating fluid supply unit 51, a first heating fluid discharge unit 52, a second heating fluid supply unit 71, and a second heating fluid discharge unit 72). .

本実施形態によれば、第１の実施形態の効果が得られると共に、加熱器ヘッダの構成をより簡素化することが可能になる。   According to the present embodiment, the effects of the first embodiment can be obtained, and the configuration of the heater header can be further simplified.

［第４の実施形態］
本発明に係る湿分分離加熱器の第４の実施形態について、図９を用いて説明する。図９は、本実施形態に係る湿分分離加熱器で、第１加熱器ヘッダ５０等を示す概略斜視図である。なお、図９は、第１加熱流体供給部５１および第１加熱流体排出部５２等の図示を省略している。また、本実施形態は、第１の実施形態の変形例であって、第１の実施形態と同一部分または類似部分には、同一符号を付して、重複説明を省略する。 [Fourth Embodiment]
A fourth embodiment of the moisture separation heater according to the present invention will be described with reference to FIG. FIG. 9 is a schematic perspective view showing the first heater header 50 and the like in the moisture separation heater according to the present embodiment. In FIG. 9, the first heating fluid supply unit 51, the first heating fluid discharge unit 52, and the like are not shown. Further, the present embodiment is a modification of the first embodiment, and the same or similar parts as those of the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

本実施形態の湿分分離加熱器は、図９に示すように、第１加熱器ヘッダ５０が貫通する鏡板１ａに形成された円形貫通部９１の内部には、この円形貫通部９１の内側に収まる正方形状の第１正方形管板１１２が設けられている。図９は、第１加熱器ヘッダ５０について示しているが、第２加熱器ヘッダ７０についても同様に構成されている。   As shown in FIG. 9, the moisture separator / heater according to the present embodiment has a circular through-hole 91 formed in the end plate 1 a through which the first heater header 50 passes, inside the circular through-hole 91. A square-shaped first square tube plate 112 that fits is provided. Although FIG. 9 shows the first heater header 50, the second heater header 70 is similarly configured.

本実施形態の第１伝熱配管群５５は、第１供給側矩形管束部５６および第１排出側矩形管束部５７を形成する各伝熱配管１０それぞれが、円形貫通部９１内に取り付けられた第１正方形管板１１２に気密に接続するように構成されている。このとき、上下端および左右端それぞれにある伝熱配管１０は若干中央に向かうように変形しながら、第１正方形管板１１２に接続されている。このため、第１の実施形態等で説明した第１供給用流路部５３および第１排出用流路部５４を、設ける必要がなくなる。   In the first heat transfer pipe group 55 of the present embodiment, each heat transfer pipe 10 forming the first supply side rectangular tube bundle portion 56 and the first discharge side rectangular tube bundle portion 57 is attached in the circular penetration portion 91. The first square tube plate 112 is configured to be airtightly connected. At this time, the heat transfer pipes 10 at the upper and lower ends and the left and right ends are connected to the first square tube plate 112 while being deformed slightly toward the center. For this reason, it is not necessary to provide the first supply flow path portion 53 and the first discharge flow path portion 54 described in the first embodiment and the like.

本実施形態の湿分分離加熱器は、第１加熱流体供給部５１に供給された第１加熱流体が、第１正方形管板１１２を介して第１伝熱配管群５５の各伝熱配管１０の各往路部１１に供給される。また、各復路部１２を流通した第１加熱流体は、第１加熱流体排出部５２に流れるように構成されている。   In the moisture separation heater of the present embodiment, the first heating fluid supplied to the first heating fluid supply unit 51 is supplied to each heat transfer pipe 10 of the first heat transfer pipe group 55 via the first square tube plate 112. Is supplied to each forward path section 11. Further, the first heating fluid that has circulated through each return path section 12 is configured to flow to the first heating fluid discharge section 52.

図示は省略しているが、第２伝熱配管群７５も同様に構成されている。   Although not shown, the second heat transfer pipe group 75 is configured in the same manner.

本実施形態によれば、第１の実施形態と同様に効果が得られると共に、第１伝熱配管群５５等を構成する各伝熱配管１０に効率よく第１加熱流体を供給することが可能になる。   According to the present embodiment, the same effects as in the first embodiment can be obtained, and the first heating fluid can be efficiently supplied to the heat transfer pipes 10 constituting the first heat transfer pipe group 55 and the like. become.

［第５の実施形態］
本発明に係る湿分分離加熱器の第５の実施形態について、図６、図９および図１０を用いて説明する。図１０は、本実施形態に係る湿分分離加熱器で、合併加熱器ヘッダ１００等を示す概略斜視図である。なお、図１０は、第１加熱流体および第２加熱流体それぞれを供給、排出する部位の図示は省略している。また、本実施形態は、第４の実施形態の変形例であって、第４の実施形態と同一部分または類似部分には、同一符号を付して、重複説明を省略する。 [Fifth Embodiment]
A fifth embodiment of the moisture separator / heater according to the present invention will be described with reference to FIGS. 6, 9 and 10. FIG. 10 is a schematic perspective view showing the merged heater header 100 and the like in the moisture separation heater according to the present embodiment. Note that FIG. 10 omits illustration of portions for supplying and discharging the first heating fluid and the second heating fluid, respectively. Further, this embodiment is a modification of the fourth embodiment, and the same or similar parts as those of the fourth embodiment are denoted by the same reference numerals, and redundant description is omitted.

本実施形態の湿分分離加熱器は、第３の実施形態の特徴の合併加熱器ヘッダ１００（図６）と、第４に実施形態の特徴の第１正方形管板１１２とを、互いに組み合わせたものである。   The moisture separation heater of this embodiment is a combination of the combined heater header 100 (FIG. 6) having the characteristics of the third embodiment and the first square tube sheet 112 having the characteristics of the fourth embodiment. Is.

図１０に示すように、この湿分分離加熱器の本体容器１の一方の鏡板１ａには、円形貫通部９１が形成されている。この円形貫通部９１内には、第１正方形管板１１２および第２正方形管板１１３が上下に２つ配置されている。この第１正方形管板１１２は、第４の実施形態で説明したもの（図９）と同様である。上側の第１正方形管板１１２の内側には第１加熱流体が流通する複数の伝熱配管１０が接続されて、下側の第２正方形管板１１３の内側には第２加熱流体が流通する複数の伝熱配管１０が接続される。   As shown in FIG. 10, the circular penetration part 91 is formed in one end plate 1a of the main body container 1 of this moisture separation heater. Two first square tube plates 112 and two second square tube plates 113 are arranged in the upper and lower sides in the circular penetration portion 91. The first square tube plate 112 is the same as that described in the fourth embodiment (FIG. 9). A plurality of heat transfer pipes 10 through which the first heating fluid flows are connected to the inner side of the upper first square tube plate 112, and the second heating fluid flows to the inner side of the lower second square tube plate 113. A plurality of heat transfer pipes 10 are connected.

円形貫通部９１の外側には、図６に示す合併加熱器ヘッダ１００が配置されている。この合併加熱ヘッダ１００は、第３の実施形態で説明したように、内部が４つの空間、すなわち、図６に示す第１加熱流体供給部５１、第１加熱流体排出部５２、第２加熱流体供給部７１、第２加熱流体排出部７２に仕切られている。なお、図１０では、４つの空間の図示は省略している。   A merged heater header 100 shown in FIG. 6 is arranged outside the circular through portion 91. As described in the third embodiment, the combined heating header 100 has four spaces inside, that is, the first heating fluid supply unit 51, the first heating fluid discharge unit 52, and the second heating fluid shown in FIG. The supply part 71 and the second heating fluid discharge part 72 are partitioned. In FIG. 10, the four spaces are not shown.

合併加熱器ヘッダ１００内の第１および第２加熱流体の流通経路は、第３の実施形態と同様である。   The flow paths of the first and second heating fluids in the combined heater header 100 are the same as in the third embodiment.

これにより、第３の実施形態と同様に、加熱器ヘッダの構成を簡素化すると共に、第４の実施形態と同様に、各伝熱配管１０に効率よく第１および第２加熱流体それぞれを供給することが可能になる。   Thereby, while simplifying the structure of a heater header similarly to 3rd Embodiment, each 1st and 2nd heating fluid is efficiently supplied to each heat transfer piping 10 similarly to 4th Embodiment. It becomes possible to do.

［第６の実施形態］
本発明に係る湿分分離加熱器の第６の実施形態について、図１１および図１２を用いて説明する。図１１は、本実施形態に係る湿分分離加熱器の構成を示す概略正面図である。図１２は、図１１のXII-XII矢視側面図である。なお、本実施形態は、第１の実施形態の変形例であって、第１の実施形態と同一部分または類似部分には、同一符号を付して、重複説明を省略する。 [Sixth Embodiment]
A sixth embodiment of the moisture separator / heater according to the present invention will be described with reference to FIGS. 11 and 12. FIG. 11 is a schematic front view showing the configuration of the moisture separation heater according to this embodiment. 12 is a side view taken along arrow XII-XII in FIG. In addition, this embodiment is a modification of 1st Embodiment, Comprising: The same code | symbol is attached | subjected to the same part or similar part as 1st Embodiment, and duplication description is abbreviate | omitted.

本実施形態の湿分分離加熱器は、第１加熱器ヘッダ５０が、本体容器１の一方（図１１の右側）の鏡板１ａを貫通するように配置されて、第２加熱器ヘッダ７０が、第１加熱器ヘッダ５０がある側と反対側（図１１の左側）に配置されている。本体容器１の鏡板１ａを貫通する貫通部は、第１の実施形態と同様に円形である。   In the moisture separation heater according to the present embodiment, the first heater header 50 is disposed so as to penetrate one end plate 1a of the main body container 1 (the right side in FIG. 11), and the second heater header 70 is The first heater header 50 is disposed on the opposite side (the left side in FIG. 11). The penetrating portion that penetrates the end plate 1a of the main body container 1 is circular as in the first embodiment.

これにより、第１の実施形態の効果に加え、第１および第２加熱器ヘッダ５０、７０それぞれに接続される配管設備を、別々の空間で引き回すことができる。よって、配管設備の省スペース化等が可能になる。   Thereby, in addition to the effect of 1st Embodiment, the piping installation connected to each of the 1st and 2nd heater headers 50 and 70 can be routed in a separate space. Therefore, it is possible to save space for piping equipment.

［第７の実施形態］
本発明に係る湿分分離加熱器の第７の実施形態について、図１３および図１４を用いて説明する。図１３は、本実施形態に係る湿分分離加熱器の構成を示す概略正面図である。図１４は、図１３のXIV-XIV矢視側面図である。なお、本実施形態は、第２の実施形態の変形例であって、第２の実施形態と同一部分または類似部分には、同一符号を付して、重複説明を省略する。 [Seventh Embodiment]
A seventh embodiment of the moisture separator / heater according to the present invention will be described with reference to FIGS. 13 and 14. FIG. 13 is a schematic front view showing the configuration of the moisture separation heater according to this embodiment. 14 is a side view taken along the arrow XIV-XIV in FIG. In addition, this embodiment is a modification of 2nd Embodiment, Comprising: The same code | symbol is attached | subjected to the same part or similar part as 2nd Embodiment, and duplication description is abbreviate | omitted.

本実施形態の湿分分離加熱器は、第２の実施形態の特徴である矩形貫通部９３と、第６に実施形態の特徴である本体容器１の長手方向両側（図１３の左右両側）それぞれに加熱器ヘッダ５０、７０が配置されたものとを、互いに組み合わせたものである。   The moisture separator / heater according to the present embodiment includes a rectangular through-hole 93 that is a feature of the second embodiment and both longitudinal sides of the main body container 1 that is a feature of the sixth embodiment (both left and right sides in FIG. 13). The heater headers 50 and 70 are arranged in combination with each other.

これにより、第２の実施形態の効果に加え、第６の実施形態の効果を得ることができる。   Thereby, in addition to the effect of 2nd Embodiment, the effect of 6th Embodiment can be acquired.

［その他の実施形態］
上記実施形態の説明は、本発明を説明するための例示であって、特許請求の範囲に記載の発明を限定するものではない。また、本発明の各部構成は上記実施形態に限らず、特許請求の範囲に記載の技術的範囲内で種々の変形が可能である。 [Other Embodiments]
The description of the above embodiment is an example for explaining the present invention, and does not limit the invention described in the claims. Moreover, each part structure of this invention is not restricted to the said embodiment, A various deformation | transformation is possible within the technical scope as described in a claim.

例えば、第３の実施形態の合併加熱器ヘッダ１００が鏡板１ａを貫通する貫通部を矩形にすることも可能である。   For example, the combined heater header 100 according to the third embodiment may have a rectangular penetration through the end plate 1a.

１…本体容器、１ａ…鏡板、２…上流側空間、３…下流側空間、４…湿分分離部、１０…伝熱配管、１１…往路部、１２…復路部、１３…曲管部、５０…第１加熱器ヘッダ、５０ａ…第１仕切り板、５１…第１加熱流体供給部、５２…第１加熱流体排出部、５３…第１供給用流路部、５４…第１排出用流路部、５５…第１伝熱配管群、５６…第１供給側矩形管束部、５７…第１排出側矩形管束部、６０…第１管板、７０…第２加熱器ヘッダ、７０ａ…第２仕切り板、７１…第２加熱流体供給部、７２…第２加熱流体排出部、７３…第２供給用流路部、７４…第２排出用流路部、７５…第２伝熱配管群、７６…第２供給側矩形管束部、７７…第２排出側矩形管束部、８０…第２管板、９１…円形貫通部、９３…矩形貫通部、１００…合併加熱器ヘッダ、１０１…第１ヘッダ部、１０２…第２ヘッダ部、１１０…水平仕切り板、１１１…円形管板、１１２…第１正方形管板、１１３…第２正方形管板、１２０…接続面 DESCRIPTION OF SYMBOLS 1 ... Main body container, 1a ... End plate, 2 ... Upstream side space, 3 ... Downstream side space, 4 ... Moisture separation part, 10 ... Heat transfer pipe, 11 ... Outward path part, 12 ... Return path part, 13 ... Curved pipe part, DESCRIPTION OF SYMBOLS 50 ... 1st heater header, 50a ... 1st partition plate, 51 ... 1st heating fluid supply part, 52 ... 1st heating fluid discharge part, 53 ... 1st flow path part, 54 ... 1st discharge flow Road part 55 ... 1st heat transfer piping group, 56 ... 1st supply side rectangular tube bundle part, 57 ... 1st discharge side rectangular tube bundle part, 60 ... 1st tube sheet, 70 ... 2nd heater header, 70a ... 1st Two partition plates, 71 ... second heating fluid supply unit, 72 ... second heating fluid discharge unit, 73 ... second supply channel unit, 74 ... second discharge channel unit, 75 ... second heat transfer pipe group 76 ... second supply side rectangular tube bundle part, 77 ... second discharge side rectangular tube bundle part, 80 ... second tube sheet, 91 ... circular penetration part, 93 ... rectangular penetration part, 100 ... combined heater Header, 101 ... first header portion, 102 ... second header portion, 110 ... horizontal partition plate, 111 ... circular tube sheet, 112 ... first square tube plate, 113 ... second square tube plate, 120 ... connection surface

Claims (7)

内部に被加熱蒸気が流通する被加熱蒸気流路が形成された円筒形状の本体容器と、
前記本体容器内で、前記被加熱蒸気流路を少なくとも上流側空間および下流側空間の２つに仕切るように配置されて、前記上流側空間にある前記被加熱蒸気の湿分を分離して前記下流側空間に流通されるように構成された湿分分離部と、
前記下流側空間内に配置されて、前記被加熱蒸気を加熱するための加熱流体が内部を流通し、両側端部が開放された複数の伝熱配管からなる伝熱配管群と、
加熱流体供給部から前記加熱流体が供給されて、前記加熱流体を前記伝熱配管群に供給させて、前記下流側空間内で前記加熱流体と熱交換させた後に加熱流体排出部から外部に排出するように構成された加熱器ヘッダと、
前記伝熱配管の両側端部と前記加熱器ヘッダとを気密に結合する管板と、
を有する湿分分離加熱器において、
前記各伝熱配管それぞれは、
前記本体容器の長手方向に延びて前記下流側空間内に配置された往路部と、前記長手方向に延びて前記下流側空間内に配置された復路部と、前記往路部および復路部それぞれを前記管板から遠い側で互いに連結する曲管部と、を備え、
前記加熱流体が供給される前記各往路部の開口部が全体で矩形になるように配列されて供給側矩形管束部を形成し、
前記加熱流体が吐出される前記各復路部それぞれの開口部が全体で矩形になるように配列されて且つ前記供給側矩形管束部に隣接するように排出側矩形管束部を形成し、
前記供給側矩形管束部および前記排出側矩形管束部が前記管板に結合するように構成されて、
前記加熱器ヘッダは、
前記加熱流体供給部および加熱流体排出部それぞれが、前記本体容器の外側に配置されて、
前記本体容器の長手方向端部を貫通して、前記加熱流体供給部および供給側矩形管束部を連通するように供給用流路部が形成されて、
前記供給用流路に隣接して前記供給用流路部と一体となって前記長手方向端部を貫通して、前記加熱流体排出部および排出側矩形管束部を連通する排出用流路部が形成されて、
前記供給用流路部および排出用流路部がそれぞれ一体となって前記管板に気密に結合されており、
前記供給側矩形管束部の横断面、前記排出側矩形管束部の横断面、前記供給用流路部のうち前記本体容器を貫通する貫通部の横断面、および前記排出用流路部のうち当該本体容器を貫通する貫通部の横断面は、それぞれ、水平方向には長く且つ当該水平方向と前記長手方向に直交する上下方向には水平方向に比べて短い長方形状をなしており、
前記供給側矩形管束部と前記排出側矩形管束部、および前記供給用流路部と前記排出用流路部は、それぞれ、前記上下方向に隣り合って配置されている
ことを特徴とする湿分分離加熱器。 A cylindrical main body container in which a heated steam channel in which heated steam flows is formed,
In the main body container, the heated steam flow path is disposed so as to be divided into at least an upstream space and a downstream space, and the moisture of the heated steam in the upstream space is separated to separate the heated steam flow path. A moisture separator configured to circulate in the downstream space;
A heat transfer pipe group that is arranged in the downstream space, and that includes a plurality of heat transfer pipes in which a heating fluid for heating the steam to be heated circulates inside and whose both end portions are open;
The heating fluid is supplied from the heating fluid supply unit, the heating fluid is supplied to the heat transfer pipe group, and heat is exchanged with the heating fluid in the downstream space, and then discharged from the heating fluid discharge unit to the outside. A heater header configured to, and
A tube plate that hermetically couples both end portions of the heat transfer pipe and the heater header;
In a moisture separator heater having
Each of the heat transfer pipes
The forward path portion extending in the longitudinal direction of the main body container and disposed in the downstream space, the return path portion extending in the longitudinal direction and disposed in the downstream space, and the forward path portion and the return path portion respectively. A curved pipe portion connected to each other on the side far from the tube plate,
The supply side rectangular tube bundle part is formed so that the openings of the forward path parts to which the heating fluid is supplied are arranged in a rectangular shape as a whole,
The discharge-side rectangular tube bundle part is formed so that the openings of the respective return path parts from which the heated fluid is discharged are arranged to be rectangular as a whole and adjacent to the supply-side rectangular tube bundle part,
The supply side rectangular tube bundle portion and the discharge side rectangular tube bundle portion are configured to be coupled to the tube plate,
The heater header is
Each of the heating fluid supply unit and the heating fluid discharge unit is disposed outside the main body container,
A supply flow path portion is formed so as to penetrate the longitudinal end portion of the main body container so as to communicate the heating fluid supply portion and the supply side rectangular tube bundle portion,
A discharge flow path portion that is adjacent to the supply flow path and is integrated with the supply flow path portion, penetrates the longitudinal end portion, and communicates the heating fluid discharge portion and the discharge side rectangular tube bundle portion. Formed,
The supply flow path portion and the discharge flow path portion are each integrally joined to the tube plate in an airtight manner,
The cross section of the supply side rectangular tube bundle portion, the cross section of the discharge side rectangular tube bundle portion, the cross section of the through portion passing through the main body container among the supply flow passage portions, and the discharge flow passage portion Each of the cross sections of the penetrating portions penetrating the main body container has a rectangular shape that is long in the horizontal direction and short in the vertical direction perpendicular to the horizontal direction and the longitudinal direction compared to the horizontal direction.
The supply side rectangular tube bundle portion and the discharge side rectangular tube bundle portion, and the supply flow channel portion and the discharge flow channel portion are arranged adjacent to each other in the vertical direction. Moisture separation heater. 前記供給用流路部および本体容器の貫通部の横断面は、前記供給側矩形管束部の横断面以上の大きさとなるよう構成されており、
前記排出用流路部および本体容器の貫通部の横断面は、前記排出側矩形管束部の横断面以上の大きさとなるよう構成されている
ことを特徴とする請求項１に記載の湿分分離加熱器。 The cross section of the supply flow channel section and the through-hole of the main body container is configured to have a size equal to or larger than the cross section of the supply side rectangular tube bundle section,
The cross-section of the discharge flow passage section and the through-hole of the main body container is configured to be larger than the cross-section of the discharge-side rectangular tube bundle section.
Moisture separator heater according to claim 1, wherein the this. 前記加熱流体は、温度が異なる２つの第１加熱流体および第２加熱流体を含み、
前記加熱器ヘッダは、前記第１加熱流体が流入されて排出される第１加熱器ヘッダと、前記第２加熱流体が流入されて排出される第２加熱器ヘッダと、を含み、
前記第１加熱器ヘッダは、前記本体容器の一方の長手方向端部側に配置されて、
前記第２加熱器ヘッダは、前記長手方向端部の反対側に配置されていること、
を特徴とする請求項１に記載の湿分分離加熱器。 The heating fluid includes two first heating fluids and second heating fluids having different temperatures,
The pressurizing Netsukihe header, the first and the pressurizing Netsukihe header which the first heating fluid is discharged to flow in, the second pressurizing Netsukihe Tsu said second heated fluid is discharged to flow in Including
It said first pressurizing Netsukihe header is disposed at one longitudinal end side of said main container,
It said second pressurizing Netsukihe header is being disposed opposite the longitudinal end,
The moisture separation heater according to claim 1. 前記加熱流体は、温度が異なる２つの第１加熱流体および第２加熱流体を含み、
前記加熱器ヘッダは、前記第１加熱流体が流入されて排出される第１加熱器ヘッダと、前記第２加熱流体が流入されて排出される第２加熱器ヘッダと、を含み、
前記第１加熱器ヘッダおよび第２加熱器ヘッダは、前記本体容器の一方の長手方向端部側に配置されていることを特徴とする請求項１に記載の湿分分離加熱器。 The heating fluid includes two first heating fluids and second heating fluids having different temperatures,
The pressurizing Netsukihe header, the first and the pressurizing Netsukihe header which the first heating fluid is discharged to flow in, the second pressurizing Netsukihe Tsu said second heated fluid is discharged to flow in Including
Said first pressurizing Netsukihe header and the second pressurizing Netsukihe header is moisture separator according to claim 1, characterized in that disposed on one longitudinal end side of said main container Heater. 前記第１加熱器ヘッダおよび第２加熱器ヘッダは一体形成されて前記本体容器の長手方向端部を貫通するように構成されていること、を特徴とする請求項４に記載の湿分分離加熱器。 Said first pressurizing Netsukihe header and the second pressurizing Netsukihe header is that it is configured so as to penetrate the longitudinal end of the main container are integrally formed, in claim 4, wherein The moisture separator heater described. 前記本体容器は長手方向が水平になるように配置されて、
前記上流側空間が前記本体容器内の下方側で、前記下流側空間が前記本体容器内の上方側に形成されている
ことを特徴とする請求項１ないし請求項５のいずれか一項に記載の湿分分離加熱器。 The main body container is arranged so that its longitudinal direction is horizontal,
The upstream space is formed on the lower side in the main body container, and the downstream space is formed on the upper side in the main body container.
Moisture separator heater according to any one of claims 1 to 5, characterized in that. 前記本体容器の貫通部の横断面は、４隅が曲線になるよう形成されていることを特徴とする請求項１ないし請求項６のいずれか一項に記載の湿分分離加熱器。 The moisture separation heater according to any one of claims 1 to 6 , wherein a cross section of the penetrating portion of the main body container is formed so that four corners are curved .
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