JPS63231192A - Co-generation system - Google Patents
Co-generation systemInfo
- Publication number
- JPS63231192A JPS63231192A JP62060974A JP6097487A JPS63231192A JP S63231192 A JPS63231192 A JP S63231192A JP 62060974 A JP62060974 A JP 62060974A JP 6097487 A JP6097487 A JP 6097487A JP S63231192 A JPS63231192 A JP S63231192A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- carbon dioxide
- digestion
- dioxide gas
- methane
- 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.)
- Pending
Links
- 239000007789 gas Substances 0.000 claims description 63
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 56
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 32
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 28
- 239000001569 carbon dioxide Substances 0.000 claims description 28
- 230000029087 digestion Effects 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001079 digestive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Greenhouses (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、 ′／ｌ’ｌ化ガスから、電気、温・冷熱、
炭酸ガスを造る事が可能であり、電気、炭酸ガスを多量
に使用する、植物プラント等の他省エネ設備に好適なシ
ステムに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides electricity, hot/cold energy,
The present invention relates to a system that is capable of producing carbon dioxide gas and is suitable for other energy-saving equipment such as plant plants that use large quantities of electricity and carbon dioxide gas.
本発明に最も近い公知例としては、コ・ジェネレーショ
ンシステムがあるがこのシステムは、消化ガス中の炭酸
ガスは、利用されていなかった。The closest known example to the present invention is a co-generation system, but this system does not utilize carbon dioxide gas in digestion gas.
従来の消化ガスを利用したコ・ジェネレーションシステ
ムでは、消化ガス中に含まれている炭酸ガスの利用につ
いては全く考慮されていなかった。In conventional co-generation systems that use digestive gas, no consideration has been given to the use of carbon dioxide contained in the digestive gas.
本発明の目的は、消化ガスから炭酸ガスを分離し利用す
ることによりシステム熱効率の上昇及びコ・ジェネレー
ションシステムの適用範囲の拡大を図ることにある。An object of the present invention is to improve system thermal efficiency and expand the scope of application of a co-generation system by separating and utilizing carbon dioxide gas from digestion gas.
上記目的は、消化ガスを圧縮・冷却することにより、消
化ガス中の炭酸ガスのみ液化させ、メタンガスと分離す
る。The above purpose is to liquefy only the carbon dioxide gas in the digestion gas and separate it from methane gas by compressing and cooling the digestion gas.
メタンガスは従来の様に発電・排熱回収し、液化した炭
酸ガスは、冷熱源等多方面に利用する事により達成でき
る。This can be achieved by using methane gas to generate electricity and recovering waste heat as in the past, and by using liquefied carbon dioxide gas in a variety of ways, including as a cold heat source.
消化ガスから炭酸ガスを取り出す為には、消化ガスを炭
酸ガスが液化する時点まで圧縮・冷却して液化させる。In order to extract carbon dioxide gas from digestion gas, the digestion gas is compressed and cooled to the point where carbon dioxide gas liquefies.
この時点でのメタンガスは、炭酸ガスより沸点が低い為
ガス状態で存在することになり、液分とガスの分離が図
れ各々の利用が可能となる。At this point, methane gas has a lower boiling point than carbon dioxide gas, so it exists in a gaseous state, and the liquid and gas can be separated and each can be used.
以下、本発明の一実施例を第１図及び第２図を用いて説
明する。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
消化槽１より発生した消化ガス２のガス組成はメタンガ
ス分６０％、炭酸ガスが４０％程度の割合で含まれてお
り、その消化ガス２よりメタンガス９と液化炭酸ガス１
０を造り出すには、消化ガス２を炭酸ガスが液化する点
まで圧縮・冷却することにより炭酸ガスのみ液化させメ
タンガス９と分離させることにより可能となる。The gas composition of the digestion gas 2 generated from the digestion tank 1 contains 60% methane gas and about 40% carbon dioxide gas, and the digestion gas 2 contains methane gas 9 and liquefied carbon dioxide gas 1.
0 can be produced by compressing and cooling the digestion gas 2 to the point where carbon dioxide gas liquefies, thereby liquefying only carbon dioxide gas and separating it from methane gas 9.
メタンガスと炭酸ガス相方の液化する圧力と温度を比較
すると、圧力を８．５ ｋｇ／ｄとすると炭酸ガスは０
４２℃で液化する。一方メタンガスの液化する点は圧力
を同一の８．５ ｋｇ／ｃｄとした場合０１３０℃以
下でなければ液化しない為炭酸ガスの液化条件時には、
メタンガス分は、ガス状態で存在する事になり、炭酸ガ
スの液化と同時にメタンガスとの分離を図る事ができる
（第２図参照）。Comparing the pressure and temperature at which methane gas and carbon dioxide gas liquefy, if the pressure is 8.5 kg/d, carbon dioxide gas is 0.
Liquefies at 42°C. On the other hand, when the pressure is the same as 8.5 kg/cd, methane gas will not liquefy unless it is below 0.130°C, so under the liquefaction conditions of carbon dioxide gas,
The methane gas will exist in a gaseous state, and it can be separated from the methane gas at the same time as the carbon dioxide gas is liquefied (see Figure 2).
消化槽２より発生した消化ガス２は、消化槽内温度の関
係から約３５℃の温度を持ち更に数％程度の水分を含ん
でおり、この水分は、冷却する場合に障害となるため、
除湿器３により３５℃の消化ガスを０℃まで冷却するこ
とにより水分を除湿させる。The digestion gas 2 generated from the digestion tank 2 has a temperature of about 35°C due to the internal temperature of the digestion tank, and contains about several percent of water, and this water becomes an obstacle when cooling.
The dehumidifier 3 cools the digestion gas at 35° C. to 0° C. to remove moisture.
除湿された消化ガス２は、最終的に炭酸ガスの液化状態
である８、５ ｋｇ／ａＪ ａｔ Ｏ４２℃まで圧縮機
４及び熱交換器６により圧縮・冷却される。The dehumidified digestion gas 2 is compressed and cooled by the compressor 4 and the heat exchanger 6 to 8.5 kg/aJ at O42°C, which is the final state of liquefied carbon dioxide gas.
圧縮機４で８．５ ｋｇ／ａＪに圧縮された消化ガス２
は、圧縮熱により、理論上１８４ｄｅｇ温度が上昇する
事になる。通常、出口温度が高温となる圧縮機４には、
アフタークーラーが付属される。アフタークーラーの冷
却水５人口温度を２５℃とした場合出口ガス温度は４０
℃前後に抑えることが出来温度上昇に関しては、問題は
ない。Digestion gas 2 compressed to 8.5 kg/aJ by compressor 4
Theoretically, the temperature will rise by 184 degrees due to the heat of compression. Normally, the compressor 4 has a high outlet temperature.
An aftercooler is included. When the cooling water temperature of the aftercooler is 25℃, the outlet gas temperature is 40℃.
There is no problem with temperature rise, which can be kept to around ℃.
８．５ｋｇ／ａ＃、０４０℃の消化ガス２は、炭酸ガス
の液化温度である０４２℃まで冷凍機７と熱交換器６に
よって冷却され、この時点で炭酸ガスのみ液化しメタン
ガス９と分離する。Digestion gas 2 weighing 8.5 kg/a# and at 040°C is cooled by refrigerator 7 and heat exchanger 6 to 042°C, which is the liquefaction temperature of carbon dioxide gas, and at this point only carbon dioxide gas is liquefied and separated from methane gas 9. .
分離されたメタンガス９は、従来通りガス発電装ｒｎｌ
ｌの燃料として供給し発電する。更にエンジンにより排
出された排気ガス１３は、排ガス熱交換器１２によって
、エンジン冷却水と共に温水１４として回収する。The separated methane gas 9 is used in the gas power generation system rnl as before.
It is supplied as fuel to generate electricity. Further, exhaust gas 13 discharged by the engine is recovered as hot water 14 together with engine cooling water by an exhaust gas heat exchanger 12 .
一方の液化した炭酸ガス１０は、冷熱源等多方面に利用
する事ができる。又炭酸ガスを液化させる事によりボン
ベ１５等で保存・運搬する事が可能となる。On the other hand, the liquefied carbon dioxide gas 10 can be used in many ways, such as as a cold heat source. Furthermore, by liquefying carbon dioxide gas, it becomes possible to store and transport it in cylinders 15 or the like.
本発明によれば、従来利用されてぃなかった消化ガス中
の炭酸ガスをも新たなエネルギー源として利用できシス
テムの効率向上が望め、冷熱、炭酸ガスが利用できるこ
とから、消化ガスの付加価値を上げる事ができる。又取
り出したエネルギーを、保存、運搬できる。According to the present invention, the carbon dioxide gas in the digestion gas, which has not been used in the past, can be used as a new energy source, and the efficiency of the system can be improved. It can be raised. Also, the extracted energy can be stored and transported.
第１図は本発明の一実施例の構成図、第２図はメタンガ
スと炭酸ガスの沸騰線を示した線図である。
１・・・消化槽、２・・・消化ガス、３・・・除湿器、
４・・・圧縮機、５・・・冷却水、６・・・熱交換器、
７・・・冷凍機、８・・・冷媒、９・・・メタンガス、
１ｏ・・・液化炭酸ガス、１１・・・ガス発電装置、１
２・・・排ガス熱交換器。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a diagram showing boiling lines of methane gas and carbon dioxide gas. 1... Digestion tank, 2... Digestion gas, 3... Dehumidifier,
4... Compressor, 5... Cooling water, 6... Heat exchanger,
7... Refrigerator, 8... Refrigerant, 9... Methane gas,
1o...Liquefied carbon dioxide gas, 11...Gas power generation device, 1
2...Exhaust gas heat exchanger.
Claims (1)
ムにおいて、従来利用されてなかった消化ガス中の炭酸
ガスを、メタンガスと分離し、メタンガスは、発電及び
排熱回収を行い、電気、温水を造り、炭酸ガスは、冷熱
源等に利用する事を特徴とするコ・ジェネレーションシ
ステム。1. In a co-generation system that uses digestion gas as fuel, the carbon dioxide in the digestion gas, which has not been used in the past, is separated from methane gas, and the methane gas is used to generate electricity and recover waste heat to produce electricity and hot water. A co-generation system that uses carbon dioxide gas as a source of cold and heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62060974A JPS63231192A (en) | 1987-03-18 | 1987-03-18 | Co-generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62060974A JPS63231192A (en) | 1987-03-18 | 1987-03-18 | Co-generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63231192A true JPS63231192A (en) | 1988-09-27 |
Family
ID=13157904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62060974A Pending JPS63231192A (en) | 1987-03-18 | 1987-03-18 | Co-generation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63231192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011006617A (en) * | 2009-06-26 | 2011-01-13 | Osaka Gas Co Ltd | Method and system for purifying fuel gas |
-
1987
- 1987-03-18 JP JP62060974A patent/JPS63231192A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011006617A (en) * | 2009-06-26 | 2011-01-13 | Osaka Gas Co Ltd | Method and system for purifying fuel gas |
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