JPH0642406A - Heat jointly supplied power generator and exhaust heat recovery device thereof - Google Patents
Heat jointly supplied power generator and exhaust heat recovery device thereofInfo
- Publication number
- JPH0642406A JPH0642406A JP3149490A JP14949091A JPH0642406A JP H0642406 A JPH0642406 A JP H0642406A JP 3149490 A JP3149490 A JP 3149490A JP 14949091 A JP14949091 A JP 14949091A JP H0642406 A JPH0642406 A JP H0642406A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- steam
- exhaust
- engine
- pipe
- 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- Withdrawn
Links
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は発電と併せて加熱蒸気を
供給する熱併給発電装置、および当該装置に用いられる
排熱回収器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combined heat and power generation system for supplying heating steam together with power generation, and an exhaust heat recovery device used in the system.
【０００２】[0002]
【背景技術】従来より、発電機の駆動にディーゼルエン
ジンやガスエンジン等の熱機関を用いるとともに、これ
らの熱機関の排熱を用いて蒸気を供給する熱併給発電装
置が利用されている。2. Description of the Related Art Conventionally, a heat engine such as a diesel engine or a gas engine is used to drive a generator, and a cogeneration power generator that uses the exhaust heat of these heat engines to supply steam is used.
【０００３】例えば、図３の熱併給発電装置３では、エ
ンジン発電装置80で発電を行うとともに、その排熱を蒸
気発生器90で回収して蒸気を発生している。For example, in the cogeneration power generator 3 of FIG. 3, the engine power generator 80 generates electric power, and the exhaust heat is recovered by the steam generator 90 to generate steam.
【０００４】エンジン発電装置80のエンジン部分81を冷
却するジャケット82は熱媒配管83を介して蒸気発生器90
の第一の放熱部91に接続され、これらの間には熱媒循環
ポンプ84により冷却媒体である熱媒体油が循環される。A jacket 82 for cooling the engine portion 81 of the engine power generator 80 is provided with a steam generator 90 via a heat medium pipe 83.
Is connected to a first heat radiation section 91, and a heat medium oil, which is a cooling medium, is circulated between them by a heat medium circulation pump 84.
【０００５】エンジン発電装置80の排気管85には排気と
熱交換を行う排気熱交換器86が設置され、排気熱交換器
86は熱媒配管87を介して蒸気発生器90の第二の放熱部92
に接続され、これらの間には熱媒循環ポンプ88により熱
媒体油が循環される。An exhaust heat exchanger 86 for exchanging heat with the exhaust gas is installed in the exhaust pipe 85 of the engine power generator 80.
86 is the second heat radiating portion 92 of the steam generator 90 via the heat medium pipe 87.
The heat medium circulation pump 88 circulates heat medium oil between them.
【０００６】蒸気発生器90は、二つの放熱部91, 92と順
次熱交換を行う吸熱部93を有し、吸熱部93は缶水配管94
を介して気水分離器95が接続され、これらの間には缶水
循環ポンプ96により水が循環される。The steam generator 90 has two heat radiating portions 91, 92 and a heat absorbing portion 93 for sequentially performing heat exchange. The heat absorbing portion 93 is a can water pipe 94.
A steam / water separator 95 is connected via a water tank, and water is circulated between them by a can water circulation pump 96.
【０００７】このような熱併給発電装置３においては、
エンジン発電装置80の動作発熱がジャケット82から熱媒
配管83を介して第一の放熱部91に伝達され、エンジン発
電装置80の排気熱が排気熱交換器86から熱媒配管87を介
して第二の放熱部92に伝達される。In such a cogeneration system 3,
The operating heat of the engine power generator 80 is transferred from the jacket 82 to the first heat radiating section 91 via the heat medium pipe 83, and the exhaust heat of the engine power generator 80 is transferred from the exhaust heat exchanger 86 to the first heat medium pipe 87 via the heat medium pipe 87. It is transmitted to the second heat radiation portion 92.
【０００８】従って、吸熱部93を通過する水は、各放熱
部91, 92からの熱により順次加熱されて蒸発し、湿り蒸
気として気水分離器95に送られる。そして、気水分離器
95で乾き蒸気と飽和水に分離され、水分は再び吸熱部93
に循環されるとともに、乾き蒸気のみが取り出され、外
部に供給される。Therefore, the water passing through the heat absorbing portion 93 is sequentially heated by the heat from the heat radiating portions 91 and 92 to evaporate, and is sent to the steam separator 95 as wet steam. And steam separator
At 95, it is separated into dry steam and saturated water, and the water content is again absorbed by the heat absorption section 93.
It is circulated to the outside and only dry steam is taken out and supplied to the outside.
【０００９】[0009]
【発明が解決しようとする課題】ところで、前述した図
３のような熱併給発電装置３では、エンジン発電装置9
0、排気熱交換器86、蒸気発生器90、気水分離器95など
を設置する必要がある。そして、各々を熱媒配管83, 87
や缶水配管94で接続したうえ、各々に循環ポンプ84, 8
8, 96等を設置する必要がある。このため、装置として
の小型化や簡略化が難しく、設置作業も煩雑になるとい
う問題がある。By the way, in the cogeneration system 3 as shown in FIG.
0, exhaust heat exchanger 86, steam generator 90, steam separator 95, etc. must be installed. Then, heat medium piping 83, 87
And canned water pipes 94, and circulation pumps 84, 8 to each
It is necessary to install 8, 96 mag. Therefore, it is difficult to reduce the size and simplification of the device, and the installation work becomes complicated.
【００１０】また、排気熱や動作発熱の回収にあたっ
て、熱媒配管83, 87に高温の熱媒体油を循環させている
ので、各々からの放熱による熱損失を少なくする必要が
あるとともに、作業員の火傷等の事故を避ける必要があ
る。このため、熱媒配管83, 87における配管保温を厳重
にする必要があり、各々の管路長さに応じて施工が複雑
になるという問題がある。さらに、熱媒配管83, 87の途
中の配管接続部、空気・ドレン抜き部等においては、熱
媒体油の漏洩や熱応力による障害等を避けるために伸縮
継手等が必要になり、配管施工が一層複雑となるという
問題がある。Further, in recovering exhaust heat and operating heat, high-temperature heat medium oil is circulated in the heat medium pipes 83 and 87, so that it is necessary to reduce heat loss due to heat radiation from each of them, and the worker It is necessary to avoid accidents such as burns. Therefore, it is necessary to strictly keep the heat insulation of the heat medium pipes 83 and 87, and there is a problem that the construction becomes complicated depending on the length of each pipe. In addition, expansion joints etc. are required in the pipe connection parts in the middle of the heat medium pipes 83, 87, air / drain drainage parts, etc. to avoid leakage due to heat medium oil and obstacles due to thermal stress. There is a problem that it becomes more complicated.
【００１１】本発明の目的は、構造および施工が簡単で
熱効率および安全性が高められる熱併給発電装置および
その排熱回収器を提供することにある。An object of the present invention is to provide a cogeneration system and a waste heat recovery device for the cogeneration system which are simple in structure and construction, and have improved thermal efficiency and safety.
【００１２】[0012]
【課題を解決するための手段】本発明は、熱機関により
発電を行うとともに当該熱機関の排熱を利用して蒸気を
発生する熱併給発電装置として、前記熱機関を冷却した
熱媒体油に当該熱機関の排気熱を吸収させる吸熱部と、
前記排気熱を吸収した熱媒体油で水を加熱して蒸気を発
生させる蒸気発生部とを備えたことを特徴とする。DISCLOSURE OF THE INVENTION The present invention relates to a heat carrier oil that cools the heat engine as a heat and power generator for generating power by the heat engine and generating steam by utilizing exhaust heat of the heat engine. A heat absorbing portion for absorbing exhaust heat of the heat engine,
And a steam generator that heats water with the heat carrier oil absorbing the exhaust heat to generate steam.
【００１３】また、熱併給発電を行うための排熱回収器
として、発電用の熱機関の冷却用熱媒体油配管および排
気通路に接続され、前記熱機関を冷却した熱媒体油に当
該熱機関の排気熱を吸収させる吸熱部と、前記排気熱を
吸収した熱媒体油で水を加熱して蒸気を発生させる蒸気
発生部とを備えたことを特徴とする。Further, as an exhaust heat recovery unit for performing co-heat generation, it is connected to a cooling heat medium oil pipe and an exhaust passage of a heat engine for power generation, and the heat engine oil is cooled by the heat engine oil. And a steam generator that heats water with the heat medium oil that has absorbed the exhaust heat to generate steam.
【００１４】[0014]
【作用】このような本発明においては、排気熱の回収お
よび熱機関を冷却した熱媒体油からの排熱回収ないし蒸
気発生が一体化された吸熱部および蒸気発生部あるいは
排熱回収器で一括して行われることになる。According to the present invention as described above, the heat absorption unit and the steam generation unit or the exhaust heat recovery unit, which are integrated with the exhaust heat recovery and the exhaust heat recovery or steam generation from the heat carrier oil that has cooled the heat engine, are integrated. Will be done.
【００１５】このため、従来のように冷却湯との熱交換
器や排ガス熱交換器および蒸気発生器をそれぞれ別個に
設置する必要がなくなるとともに、これらを結ぶ熱媒配
管等が省略できることになり、熱併給発電装置としての
構造が簡略化されるとともに、各部の設置作業や配管の
接続施工作業なども簡略化できることになる。Therefore, it is not necessary to separately install a heat exchanger for cooling hot water, an exhaust gas heat exchanger, and a steam generator as in the conventional case, and a heat medium pipe connecting them can be omitted. This simplifies the structure of the cogeneration power generator, and simplifies the work of installing each part and the work of connecting pipes.
【００１６】また、熱媒配管経路が縮小されることによ
り、熱媒配管による熱損失が軽減されて熱効率が向上さ
れるとともに、作業員の火傷等の可能性が軽減されて安
全性も向上されることになる。特に、最も高温となる排
気熱の伝達が一体式の吸熱部から蒸気発生部までの部分
あるいは排熱回収器内で行われることになるため、熱効
率および安全性の向上性に優れたものとすることがで
き、これらにより前記目的が達成される。Further, since the heat medium piping path is reduced, the heat loss due to the heat medium piping is reduced to improve the thermal efficiency, and the possibility of the worker being burned is reduced and the safety is also improved. Will be. In particular, since the heat of exhaust gas, which has the highest temperature, will be transferred in the part from the integrated heat absorption part to the steam generation part or in the exhaust heat recovery device, it will be excellent in the improvement of thermal efficiency and safety. It is possible to achieve the above object.
【００１７】[0017]
【実施例】以下、図面に基づいて本発明の一実施例を説
明する。図１において、本実施例の熱併給発電装置１
は、エンジン発電装置10と、排熱回収器20と、気水分離
器30とを備えている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, a cogeneration system 1 of the present embodiment
Includes an engine power generation device 10, an exhaust heat recovery device 20, and a steam separator 30.
【００１８】エンジン発電装置10は、ディーゼルエンジ
ンやガスエンジン等の熱機関11により発電機12を駆動し
て発電を行うものである。熱機関11には高温の排気を排
出する排気管13が接続され、その先端には消音器14が設
置されている。熱機関11のシリンダやヘッド等の発熱部
分には冷却用のジャケット15が装着されている。The engine power generator 10 drives a generator 12 by a heat engine 11 such as a diesel engine or a gas engine to generate electric power. An exhaust pipe 13 for discharging high-temperature exhaust gas is connected to the heat engine 11, and a silencer 14 is installed at the tip thereof. A cooling jacket 15 is attached to a heat generating portion such as a cylinder or a head of the heat engine 11.
【００１９】排熱回収器20は排気管13の途中に設置さ
れ、排気管13を通る高温の排気から吸熱する吸熱部21
と、吸熱部21からの熱により蒸気を発生する蒸気発生部
22とを備えている。吸熱部21は熱媒配管16を介してジャ
ケット15に接続され、これらの間には熱媒循環ポンプ17
により冷却媒体である熱媒体油が循環される。蒸気発生
部22は缶水配管31を介して気水分離器30に接続され、こ
れらの間には缶水循環ポンプ32により水が循環される。The exhaust heat recovery unit 20 is installed in the middle of the exhaust pipe 13 and absorbs heat from the high temperature exhaust gas passing through the exhaust pipe 13.
And a steam generation part that generates steam by the heat from the heat absorption part 21
22 and. The heat absorbing part 21 is connected to the jacket 15 via a heat medium pipe 16, and a heat medium circulating pump 17 is provided between them.
As a result, the heat medium oil, which is a cooling medium, is circulated. The steam generating unit 22 is connected to a steam separator 30 via a can water pipe 31, and water is circulated between them by a can water circulation pump 32.
【００２０】気水分離器30には給水手段33が接続され、
給水配管34および給水ポンプ35を介して適宜給水され、
内部水位を常時一定に維持されるようになっている。A water supply means 33 is connected to the steam separator 30,
Water is appropriately supplied through the water supply pipe 34 and the water supply pump 35,
The internal water level is always kept constant.
【００２１】図２には、本実施例の排熱回収器20の具体
的構造が示されている。排熱回収器20は略筒状の本体40
を備え、本体40は内外二重の筒体41, 42の両端面を蓋体
43, 44で閉鎖した密閉容器とされている。内側の筒体41
の一端側周縁と対向する蓋体43との間には所定の隙間45
が形成され、筒体41内に形成される吸熱室46および筒体
41, 42間に形成される加熱室47は互いに連通されてい
る。FIG. 2 shows a specific structure of the exhaust heat recovery unit 20 of this embodiment. The exhaust heat recovery device 20 is a substantially tubular body 40.
The main body 40 has lids on both end surfaces of the inner and outer double cylinders 41 and 42.
It is a closed container closed at 43, 44. Inner tube 41
A predetermined gap 45 is provided between the peripheral edge of one end of the
And the heat absorbing chamber 46 and the cylinder formed inside the cylinder 41.
The heating chamber 47 formed between 41 and 42 communicates with each other.
【００２２】本体40の側面には吸熱室46に連通する入口
側の接続管48および加熱室47に連通する出口側の接続管
49が形成されている。各接続管48, 49には前述した熱媒
配管16が接続されており、熱媒循環ポンプ17で循環され
るエンジン発電装置10からの熱媒体油は熱媒配管16から
接続管48を経て吸熱室46に入り、加熱室47から接続管49
を経て熱媒配管16に送り出され、エンジン発電装置10に
戻るようになっている。On the side surface of the main body 40, an inlet side connecting pipe 48 communicating with the heat absorbing chamber 46 and an outlet side connecting pipe communicating with the heating chamber 47.
49 are formed. The above-mentioned heat medium pipe 16 is connected to each of the connecting pipes 48, 49, and the heat medium oil from the engine generator 10 circulated by the heat medium circulating pump 17 absorbs heat from the heat medium pipe 16 via the connecting pipe 48. Enter chamber 46 and connect from heating chamber 47 to connecting pipe 49
After that, it is sent out to the heat medium pipe 16 and returned to the engine power generation device 10.
【００２３】本体40内の吸熱室46には複数の煙管51が設
置されている。各煙管51の両端は蓋体43, 44を貫通して
表面に連通されており、これらの煙管51の端部開口を一
括して覆うように入口側および出口側の煙室52, 53が設
けられている。各煙室52, 53には前述した排気管13が接
続され、排気管13から送り込まれた排気は煙室52から煙
管51を通り、煙室53から排気管13に送り出されるように
なっている。A plurality of smoke tubes 51 are installed in the heat absorption chamber 46 in the main body 40. Both ends of each smoke pipe 51 penetrate the lids 43, 44 to communicate with the surface, and smoke chambers 52, 53 on the inlet side and the outlet side are provided so as to collectively cover the end openings of these smoke pipes 51. Has been. The above-described exhaust pipe 13 is connected to each smoke chamber 52, 53, and the exhaust gas sent from the exhaust pipe 13 passes through the smoke chamber 52, the smoke pipe 51, and is sent from the smoke chamber 53 to the exhaust pipe 13. .
【００２４】吸熱室46には複数の仕切板54が設けられ、
各煙管51は各仕切板54を順次貫通することで中間部を支
持されている。各仕切板54は端部に隙間55を有し、この
隙間55は交互配列となるように形成されており、吸熱室
46を通過する熱媒体油は幾重にも折れ曲がりながら流れ
るようになっている。The heat absorbing chamber 46 is provided with a plurality of partition plates 54,
Each smoke pipe 51 is supported in the middle portion by sequentially penetrating each partition plate 54. Each partition plate 54 has a gap 55 at its end, and the gaps 55 are formed in an alternating arrangement.
The heat carrier oil passing through 46 is designed to flow while bending in multiple layers.
【００２５】これらの吸熱室46および煙管51により吸熱
部21が構成され、エンジン発電装置10からの熱媒体油は
吸熱室46を通過する間に各煙管51の表面に十分に接触
し、煙管51内を通る高温の排気の熱T1を吸収して更に高
温になる。The heat absorbing chamber 46 and the smoke pipe 51 constitute the heat absorbing portion 21, and the heat carrier oil from the engine power generator 10 sufficiently contacts the surface of each smoke pipe 51 while passing through the heat absorbing chamber 46, and the smoke pipe 51 It absorbs the heat T1 of the high-temperature exhaust gas that passes through it, and becomes even hotter.
【００２６】本体40内の加熱室47には二重螺旋状の蒸発
管61が設置されている。蒸発管61は一本の伝熱管を内外
二重の螺旋状に巻き、隣接する部分を互いに密着した状
態で積層したものであり、二重の外側部分62と内側部分
63とは各々の最下段で相互接続され、上部に位置する入
口側および出口側の端部64, 65は蓋体44を貫通して外部
に露出されている。In the heating chamber 47 in the main body 40, a double spiral evaporation pipe 61 is installed. The evaporation tube 61 is formed by winding a single heat transfer tube in an inner and outer double spiral shape and stacking adjacent parts in a state of closely adhering to each other.
63 and 63 are interconnected at the bottom of each, and the inlet-side and outlet-side end portions 64 and 65 located at the upper portion penetrate the lid body 44 and are exposed to the outside.
【００２７】蒸発管61の端部64, 65には前述した缶水配
管31が接続され、缶水循環ポンプ32で循環される気水分
離器30からの水は缶水配管31から入口側の端部64を経て
蒸発管61の外側部分62に入り、内側部分63から出口側の
端部65を経て缶水配管31に送り出され、気水分離器30に
戻るようになっている。The above-mentioned can water pipe 31 is connected to the ends 64 and 65 of the evaporation pipe 61, and the water from the steam separator 30 circulated by the can water circulation pump 32 is fed from the can water pipe 31 to the end on the inlet side. It enters into the outer portion 62 of the evaporation pipe 61 through the portion 64, is sent from the inner portion 63 through the end portion 65 on the outlet side to the can water pipe 31, and returns to the steam separator 30.
【００２８】蒸発管61の内側部分63は下端縁をリング状
の支持部材66を介して蓋体43に支持され、外側部分62は
上端縁をリング状の支持部材67を介して蓋体44に支持さ
れている。各支持部材66, 67は全周にわたって蒸発管61
および蓋体43, 44と密接され、各々の部分は流通不可能
とされており、吸熱室46から隙間45を通って加熱室47の
下部に流入した熱媒体油は蒸発管61の内側部分63の内面
に沿って上昇し、内側部分63の上端部を超えて内側部分
63と外側部分62との間を下降し、外側部分62の下端部を
廻って外側部分62の外面に沿って上昇し、出口側の接続
管49へ送り出されるようになっている。The inner portion 63 of the evaporation pipe 61 is supported by the lid 43 at the lower end via a ring-shaped supporting member 66, and the outer portion 62 is supported at the upper end by a ring-shaped supporting member 67 on the lid 44. It is supported. Each supporting member 66, 67 has an evaporating pipe 61 over the entire circumference.
The heating medium oil flowing into the lower portion of the heating chamber 47 from the heat absorbing chamber 46 through the gap 45 is in contact with the lids 43 and 44 and the respective portions cannot flow. Rises along the inner surface of the inner part beyond the upper edge of the inner part 63
It descends between 63 and the outer part 62, goes up around the lower end of the outer part 62 and rises along the outer surface of the outer part 62, and is sent out to the connecting pipe 49 on the outlet side.
【００２９】これらの加熱室47および蒸発管61により蒸
気発生部22が構成され、吸熱室46で排気熱により更に加
熱された熱媒体油は加熱室47を通過する間に蒸発管61の
表面に十分に接触し、蒸発管61内を通る水を加熱蒸発さ
せて蒸気を発生させる。The heating chamber 47 and the evaporation pipe 61 constitute the steam generating section 22, and the heat carrier oil further heated by the exhaust heat in the heat absorption chamber 46 is transferred to the surface of the evaporation pipe 61 while passing through the heating chamber 47. The water that sufficiently contacts and passes through the inside of the evaporation pipe 61 is heated and evaporated to generate steam.
【００３０】このように構成された本実施例において
は、エンジン発電装置10で発電を行うことにより排気お
よび動作発熱が発生する。排気は排気管13で排出される
間に排熱回収器20の吸熱部21を通過する。動作発熱はジ
ャケット15を通過する熱媒体油に吸収され、動作発熱を
吸収して高温となった熱媒体油は熱媒配管16から排熱回
収器20に送られる。In the present embodiment having the above-described structure, exhaust gas and operating heat are generated by generating power with the engine power generator 10. The exhaust gas passes through the heat absorbing section 21 of the exhaust heat recovery device 20 while being discharged through the exhaust pipe 13. The operating heat is absorbed by the heat carrier oil passing through the jacket 15, and the heat carrier oil that has become high temperature by absorbing the working heat is sent from the heat carrier pipe 16 to the exhaust heat recovery unit 20.
【００３１】排熱回収器20に送られた熱媒体油は、先ず
吸熱部21に入り、吸熱室46において煙管51に接触し、煙
管51内を通過する一層高温の排気の熱T1を吸収して更に
高温となる。そして、更に高温となった熱媒体油は、加
熱室47に送られて蒸発管61に接触し、蒸発管61に熱T2を
与えて内部の水を蒸発させる。蒸発管61で発生した湿り
蒸気は缶水配管31により気水分離器30に送られ、乾き蒸
気と水に分離され、この水は缶水配管31から蒸発管61に
戻されて再度蒸気発生に利用される。The heat carrier oil sent to the exhaust heat recovery device 20 first enters the heat absorbing portion 21, contacts the smoke pipe 51 in the heat absorbing chamber 46, and absorbs the heat T1 of the exhaust gas of higher temperature passing through the smoke pipe 51. And becomes even hotter. Then, the heat carrier oil having a higher temperature is sent to the heating chamber 47 and comes into contact with the evaporation pipe 61 to give heat T2 to the evaporation pipe 61 to evaporate the water therein. The wet steam generated in the evaporation pipe 61 is sent to the steam separator 30 by the can water pipe 31, is separated into dry steam and water, and this water is returned from the can water pipe 31 to the evaporation pipe 61 to generate steam again. Used.
【００３２】このような本実施例によれば、エンジン発
電装置10により発電が行えるとともに、その排熱を利用
して蒸気を発生し、外部に供給することができる。この
際、排熱回収ないし蒸気発生を排熱回収器20で一括して
行えるため、熱併給発電装置１としての装置構成を簡略
化することができ、設備を小型化できるとともに、設置
作業も簡略化することができる。According to the present embodiment as described above, the engine power generator 10 can generate electric power, and the exhaust heat thereof can be used to generate steam to be supplied to the outside. At this time, since exhaust heat recovery or steam generation can be performed collectively by the exhaust heat recovery device 20, the device configuration as the cogeneration power generation device 1 can be simplified, the equipment can be downsized, and the installation work can be simplified. Can be converted.
【００３３】また、排熱回収器20においては、エンジン
発電装置10の動作発熱を吸収した熱媒体油を吸熱部21に
取込み、この熱媒体油で排気熱をも吸収させ、更に高温
となった熱媒体油を蒸気発生部22に送り、蒸気発生のた
めの加熱を行わせることができる。このため、従来のよ
うに動作発熱の熱媒配管と排気熱の熱媒配管とを別個に
設置する必要がなくなり、熱媒配管を大幅に縮小するこ
とができ、熱応力に対処するための自在継手等をも低減
でき、油漏れ等の可能性も低減でき、従って設備の簡略
化とともに設置作業や保守作業なども簡略化できる。Further, in the exhaust heat recovery device 20, the heat carrier oil that has absorbed the operating heat of the engine power generator 10 is taken into the heat absorbing portion 21, and this heat carrier oil also absorbs the exhaust heat and becomes even hotter. The heat carrier oil can be sent to the steam generation unit 22 to be heated for steam generation. For this reason, it is not necessary to separately install a heat transfer medium pipe for operating heat generation and a heat transfer medium pipe for exhaust heat as in the past, and it is possible to significantly reduce the heat transfer medium pipe, and to freely deal with thermal stress. It is also possible to reduce the number of joints and the like, and reduce the possibility of oil leaks, etc. Therefore, it is possible to simplify the equipment as well as the installation work and maintenance work.
【００３４】また、熱媒配管の縮小に伴って、熱損失の
軽減により熱効率を向上できるとともに、作業員の接触
による火傷等の可能性も減るため安全性も向上すること
ができる。特に、最も高温となる排気熱の回収部分から
蒸気の発生部分の間の熱媒体油の移送は全て排熱回収器
20内部となるため、このような高温部分で顕著な熱損失
を大幅に低減することができ、熱効率を大幅に向上でき
ることになる。Further, with the reduction of the heat medium pipe, the heat efficiency can be improved by reducing the heat loss, and the possibility of burns or the like due to the contact of the worker can be reduced, so that the safety can be improved. In particular, the transfer of heat carrier oil between the exhaust heat recovery part, which has the highest temperature, and the steam generation part, is all performed by the exhaust heat recovery device.
Since it is inside 20, the remarkable heat loss in such a high temperature portion can be greatly reduced, and the thermal efficiency can be greatly improved.
【００３５】一方、本実施例では、排熱回収器20の吸熱
部21において排気を複数の煙管51に通すようにしたた
め、吸熱室46を通る熱媒体油との接触面積を大きくとる
ことができ、熱吸収効率を高めることができる。On the other hand, in this embodiment, since the exhaust gas is passed through the plurality of smoke pipes 51 in the heat absorbing portion 21 of the exhaust heat recovery device 20, the contact area with the heat carrier oil passing through the heat absorbing chamber 46 can be made large. The heat absorption efficiency can be increased.
【００３６】さらに、仕切板54により吸熱室46を通る熱
媒体油を折れ曲がるように流すようにしたため、熱媒体
油を煙管51と繰り返し接触させることができ、排気から
の熱吸収を一層効率よく行うことができる。Further, since the partition plate 54 allows the heat carrier oil passing through the heat absorbing chamber 46 to flow in a bent manner, the heat carrier oil can be repeatedly brought into contact with the smoke pipe 51, and the heat absorption from the exhaust gas can be more efficiently performed. be able to.
【００３７】また、本実施例では、排熱回収器20の蒸気
発生部22において一本の蒸気管61を螺旋状に巻いて二重
の筒状としたため、加熱室47を通る熱媒体油との接触面
積を大きくとることができ、蒸気発生の際の加熱効率を
高めることができる。Further, in this embodiment, since one steam pipe 61 is spirally wound in the steam generating portion 22 of the exhaust heat recovery device 20 to form a double cylinder, heat medium oil passing through the heating chamber 47 and The contact area can be increased and the heating efficiency at the time of steam generation can be improved.
【００３８】さらに、蒸気管61の内側部分63および外側
部分62を密接積層し、かつ支持部材66, 67により加熱室
47を通る熱媒体油を折れ曲がるように流すようにしたた
め、熱媒体油を蒸気管61と繰り返し接触させることがで
き、蒸気発生のための加熱を一層効率よく行うことがで
きる。Further, the inner portion 63 and the outer portion 62 of the steam pipe 61 are closely laminated, and the heating members are supported by the supporting members 66 and 67.
Since the heat medium oil passing through 47 is made to flow in a bent manner, the heat medium oil can be repeatedly brought into contact with the steam pipe 61, and heating for generating steam can be performed more efficiently.
【００３９】なお、本発明は前記実施例に限定されるも
のではなく、本発明は以下に示すような変形などをも含
むものである。例えば、吸熱部21において排気の熱T1を
吸収する構造は適宜選択すればよく、仕切板54による熱
媒体油の折り曲げ流通は必須ではなく、吸熱室46内の煙
管51を更に細分化したり、あるいは表面に伝熱フィン等
を設けて熱媒体油との接触面積を増すようにしてもよ
い。さらに、煙管51に代えて中空パネル状の煙通路等を
用いてもよい。The present invention is not limited to the above embodiment, and the present invention includes the following modifications and the like. For example, the structure that absorbs the heat T1 of the exhaust gas in the heat absorbing section 21 may be appropriately selected, and the bending and circulation of the heat medium oil by the partition plate 54 is not essential, and the smoke pipe 51 in the heat absorbing chamber 46 may be further subdivided, or A heat transfer fin or the like may be provided on the surface to increase the contact area with the heat carrier oil. Further, instead of the smoke pipe 51, a hollow panel smoke passage or the like may be used.
【００４０】また、蒸気発生部22において蒸気発生のた
めに熱媒体油の熱T2で水を加熱する構造は適宜選択すれ
ばよく、蒸気管61を三重以上として熱媒体油の折れ曲が
り流通をさらに繰り返させてもよい。さらに、熱媒体油
を折れ曲がり流通させる構造は必須ではなく、蒸気管61
の隣接する管路に隙間をあけて熱媒体油を通過させるよ
うにしてもよく、蒸気管61を更に細分化したり、表面に
伝熱フィン等を設けて熱媒体油との接触面積を増すよう
にしてもよい。Further, the structure for heating the water by the heat T2 of the heat carrier oil in the steam generating part 22 for generating steam may be appropriately selected, and the steam pipe 61 is tripled or more so that the bent distribution of the heat carrier oil is further repeated. You may let me. Furthermore, the structure that allows the heat carrier oil to bend and flow is not essential, and the steam pipe 61
The heat medium oil may be allowed to pass through with a gap between adjacent pipe lines of the steam pipe 61, and the steam pipe 61 may be further subdivided or a heat transfer fin or the like may be provided on the surface to increase the contact area with the heat medium oil. You may
【００４１】さらに、排熱回収器20の細部構造や形状等
は実施にあたって適宜選択すればよく、各部材質は相互
の熱伝達あるいは外部への熱損失を低減できるようにす
ることが望ましく、煙管51や蒸発管61には伝熱性の高い
材質を用い、排熱回収器20は外部を断熱材で覆う等する
ことが望ましい。Further, the detailed structure, shape, etc. of the exhaust heat recovery device 20 may be appropriately selected upon implementation, and it is desirable that each member material is capable of reducing mutual heat transfer or heat loss to the outside, and the smoke pipe 51. It is desirable to use a material having high heat conductivity for the evaporation pipe 61 and to cover the outside of the exhaust heat recovery device 20 with a heat insulating material.
【００４２】一方、本発明の熱併給発電装置では、前記
実施例のような排熱回収器20に限らず、他の構成により
同様な吸熱部21および蒸気発生部22を実現するものであ
ればよい。また、本発明の排熱回収器は、前記実施例の
ように構成された熱併給発電装置１に適用されるものに
限らず、他の構成の熱併給発電装置に適用されるとして
もよい。On the other hand, the combined heat and power generation system of the present invention is not limited to the exhaust heat recovery device 20 as in the above-mentioned embodiment, but any other structure can realize the similar heat absorbing part 21 and steam generating part 22. Good. Further, the exhaust heat recovery device of the present invention is not limited to being applied to the combined heat and power generation device 1 configured as in the above-described embodiment, but may be applied to a combined heat and power generation device having another configuration.
【００４３】[0043]
【発明の効果】以上に述べたように、本発明によれば排
気熱を回収する吸熱部と回収した熱で蒸気を発生する蒸
気発生部とを一体化することにより、装置構成を簡略化
できるうえ熱媒配管を縮小することができ、構造および
施工が簡単にできるとともに、熱効率および安全性を高
めることができる。As described above, according to the present invention, the structure of the device can be simplified by integrating the endothermic part for recovering exhaust heat and the steam generating part for generating steam with the recovered heat. Moreover, the heat medium pipe can be downsized, the structure and construction can be simplified, and the heat efficiency and safety can be improved.
【図１】本発明の一実施例を示す構成図。FIG. 1 is a configuration diagram showing an embodiment of the present invention.
【図２】同実施例の排熱回収器を示す断面図。FIG. 2 is a cross-sectional view showing the exhaust heat recovery device of the same embodiment.
【図３】従来例を示す構成図。FIG. 3 is a configuration diagram showing a conventional example.
１ 熱併給発電装置 10 エンジン発電装置 13 排気管 16 熱媒配管 17 熱媒循環ポンプ 20 排熱回収器 21 吸熱部 22 蒸気発生部 30 気水分離器 35 缶水循環ポンプ 40 排熱回収器の本体 46 吸熱室 47 蒸気発生室 51 煙管 61 蒸発管 1 Cogeneration system 10 Engine generator 13 Exhaust pipe 16 Heat medium piping 17 Heat medium circulation pump 20 Exhaust heat recovery unit 21 Heat absorption unit 22 Steam generation unit 30 Steam separator 35 Can water circulation pump 40 Main body of exhaust heat recovery unit 46 Heat absorption chamber 47 Steam generation chamber 51 Smoke pipe 61 Evaporation pipe
Claims (5)
機関の排熱を利用して蒸気を発生する熱併給発電装置で
あって、前記熱機関を冷却した熱媒体油に当該熱機関の
排気熱を吸収させる吸熱部と、前記排気熱を吸収した熱
媒体油で水を加熱して蒸気を発生させる蒸気発生部とを
備え、これらの吸熱部および蒸気発生部が一体に設置さ
れていることを特徴とする熱併給発電装置。1. A combined heat and power generation device for generating power by a heat engine and using the exhaust heat of the heat engine to generate steam, wherein exhaust heat of the heat engine is added to heat carrier oil that has cooled the heat engine. And a steam generator that heats water with heat carrier oil that has absorbed the exhaust heat to generate steam, and that the heat absorber and the steam generator are installed integrally. Characteristic cogeneration system.
いて、前記蒸気発生部で発生される湿り蒸気を乾き蒸気
と飽和水に分離する気水分離器と、この気水分離器の水
を蒸気発生部に循環させる缶水循環ポンプとを備えてい
ることを特徴とする熱併給発電装置。2. The cogeneration system according to claim 1, wherein the steam generator separates the wet steam generated in the steam generating unit into dry steam and saturated water, and water in the steam separator. A combined heat and power generation device comprising: a can water circulation pump that circulates in a steam generating part.
よび排気通路に接続され、前記熱機関を冷却した熱媒体
油に当該熱機関の排気熱を吸収させる吸熱部と、前記排
気熱を吸収した熱媒体油で水を加熱して蒸気を発生させ
る蒸気発生部とを備えたことを特徴とする排熱回収器。3. A heat absorbing part connected to a heat carrier oil pipe for cooling of a heat engine for power generation and an exhaust passage for absorbing heat of exhaust gas of the heat engine into heat carrier oil that has cooled the heat engine, and the heat of exhaust gas. An exhaust heat recovery device, comprising: a steam generator that heats water with heat carrier oil that has absorbed heat to generate steam.
て、前記吸熱部は内部に前記熱媒体油が導入される吸熱
室と、この吸熱室内の熱媒体油に浸漬されかつ内部に前
記排気が通される多数の煙管とにより構成されているこ
とを特徴とする排熱回収器。4. The exhaust heat recovery device according to claim 3, wherein the endothermic part is a heat absorbing chamber into which the heat medium oil is introduced, and the heat absorbing part is immersed in the heat medium oil in the heat absorbing chamber and has the exhaust gas inside thereof. An exhaust heat recovery device comprising a plurality of smoke pipes through which the exhaust heat is recovered.
回収器において、前記蒸気発生部は前記吸熱部を包囲す
るように配置されかつ内部に前記吸熱室からの熱媒体油
が導入される加熱室と、この加熱室内の熱媒体油に浸漬
されかつ一本の管を隙間なく螺旋状に巻いて略筒状とさ
れて内部に蒸気発生用の水が通される蒸発管とにより構
成されていることを特徴とする排熱回収器。5. The exhaust heat recovery device according to claim 3 or 4, wherein the steam generating portion is arranged so as to surround the heat absorbing portion, and the heat carrier oil from the heat absorbing chamber is introduced therein. Heating chamber and an evaporation pipe that is immersed in the heat medium oil in the heating chamber and spirally winds a single pipe in a spiral shape to form a substantially tubular shape through which water for steam generation is passed. Exhaust heat recovery device characterized by being.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3149490A JPH0642406A (en) | 1991-05-24 | 1991-05-24 | Heat jointly supplied power generator and exhaust heat recovery device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3149490A JPH0642406A (en) | 1991-05-24 | 1991-05-24 | Heat jointly supplied power generator and exhaust heat recovery device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0642406A true JPH0642406A (en) | 1994-02-15 |
Family
ID=15476294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3149490A Withdrawn JPH0642406A (en) | 1991-05-24 | 1991-05-24 | Heat jointly supplied power generator and exhaust heat recovery device thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642406A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787889A (en) * | 2012-08-14 | 2012-11-21 | 天津大学 | Diesel engine exhaust waste heat double-effect recovery system |
| JP2014005950A (en) * | 2012-06-21 | 2014-01-16 | Miura Co Ltd | Marine boiler |
| JP2014016135A (en) * | 2012-07-11 | 2014-01-30 | Miura Co Ltd | Marine boiler |
| CN104279753A (en) * | 2014-08-07 | 2015-01-14 | 长兴新峰印染有限公司 | Flue residual heat recovery type heat transfer oil boiler |
| JP2015031269A (en) * | 2013-08-07 | 2015-02-16 | 本田技研工業株式会社 | Engine-driven working machine |
| JP2015031267A (en) * | 2013-08-07 | 2015-02-16 | 本田技研工業株式会社 | Engine-driven work machine |
| WO2023026889A1 (en) * | 2021-08-27 | 2023-03-02 | 株式会社クリーンプラネット | Heat-generating device and boiler |
-
1991
- 1991-05-24 JP JP3149490A patent/JPH0642406A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014005950A (en) * | 2012-06-21 | 2014-01-16 | Miura Co Ltd | Marine boiler |
| JP2014016135A (en) * | 2012-07-11 | 2014-01-30 | Miura Co Ltd | Marine boiler |
| CN102787889A (en) * | 2012-08-14 | 2012-11-21 | 天津大学 | Diesel engine exhaust waste heat double-effect recovery system |
| JP2015031269A (en) * | 2013-08-07 | 2015-02-16 | 本田技研工業株式会社 | Engine-driven working machine |
| JP2015031267A (en) * | 2013-08-07 | 2015-02-16 | 本田技研工業株式会社 | Engine-driven work machine |
| CN104279753A (en) * | 2014-08-07 | 2015-01-14 | 长兴新峰印染有限公司 | Flue residual heat recovery type heat transfer oil boiler |
| WO2023026889A1 (en) * | 2021-08-27 | 2023-03-02 | 株式会社クリーンプラネット | Heat-generating device and boiler |
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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: 19980806 |