JP2013013376A5 - Fermentation heat utilization system - Google Patents

Fermentation heat utilization system Download PDF

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JP2013013376A5
JP2013013376A5 JP2011149472A JP2011149472A JP2013013376A5 JP 2013013376 A5 JP2013013376 A5 JP 2013013376A5 JP 2011149472 A JP2011149472 A JP 2011149472A JP 2011149472 A JP2011149472 A JP 2011149472A JP 2013013376 A5 JP2013013376 A5 JP 2013013376A5
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heat
fermentation
storage tank
fermenter
heat utilization
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すなわち、本発明の発酵熱利用システムは、発酵材料が収容された発酵槽と、熱媒体収容された蓄熱槽と、熱利用対象物と、前記発酵槽と前記蓄熱槽とで熱交換するために前記熱媒体を前記発酵槽内に循環させる第1の配管と、前記蓄熱槽と前記熱利用対象物とで熱交換するために前記熱媒体を前記熱利用対象内に循環させる第2の配管から構成され、前記発酵槽で発生させた発酵熱を前記蓄熱槽蓄熱するとともに、前記蓄熱槽にて蓄熱した熱を前記熱利用対象加温または保温に利用することを特徴とする。本発明は、前記発酵材料が竹類の破砕物であり、前記熱媒体が水であることを特徴とする。 That is, the fermentation heat utilization system of the present invention, a fermenter fermentation material is accommodated, and the heat storage tank the heat medium is accommodated, the heat utilization target, for heat exchange between the heat storage tank and the fermenter in the heat medium and the first piping for circulating the fermenter, the heat storage tank and the heat medium second circulating in the heat utilization target for heat exchange between the heat utilization target It is composed of a pipe, and wherein the heat of fermentation which is generated in the fermenter as well as the heat storage in the heat storage tank, utilizes a heat regenerator in the heat storage tank to heating or heat insulation of the heat utilization target To do. The present invention is characterized in that the fermentation material is a crushed bamboo and the heat medium is water.

本発明、発酵槽内を循環させた熱媒体を蓄熱槽内に収容して蓄熱するとともに、蓄熱槽内の熱媒体を熱利用対象内に循環させて加温または保温することを特徴とする発酵熱利用方法、という見方ができる。 The present invention is characterized in that the heat medium circulated in the fermenter is accommodated in the heat accumulator to store heat, and the heat medium in the heat accumulator is circulated in the heat utilization object to be heated or kept warm. It can be said that it uses fermentation heat.

本発明の発酵熱利用システムによれば、第1の循環経路、すなわち第1の配管により蓄熱槽内の熱媒体を発酵槽内に循環させることで、発酵槽内部の反応を阻害せず、発生熱のみが効率的に蓄熱槽へと移行される。また、第1の循環経路、すなわち第1の配管による熱回収により、蓄熱槽内の熱媒体は、発酵槽とほぼ同一の温度が保たれる。 According to the fermentation heat utilization system of the present invention, the heat medium in the heat storage tank is circulated in the fermenter by the first circulation path , that is, the first pipe , and the reaction inside the fermenter is not hindered and generated. Only heat is efficiently transferred to the heat storage tank. In addition, the heat medium in the heat storage tank is maintained at substantially the same temperature as the fermenter by heat recovery by the first circulation path , that is, the first pipe .

この一定温度に保たれた蓄熱槽内の熱媒体を、利用側(熱利用対象)の要求に応じて第2の循環経路すなわち第2の配管によって熱利用対象内に循環させれば、熱利用対象が所定の温度に維持される。仮に外乱変動があったとしても、非定常解析による制御アルゴリズムの確立により、長期間継続的で且つ厳格な温度管理が実現される。 The heat medium in the thermal storage tank which is maintained at a constant temperature, depending on the requirements of the usage-side (heat utilization target), if circulated through the heat utilization target by the second circulation path or the second pipe, The heat utilization object is maintained at a predetermined temperature. Even if there are disturbance fluctuations, long-term continuous and strict temperature management is realized by establishing a control algorithm based on transient analysis.

本発明の発酵熱利用システムは、図1に示すように、発酵熱を発生する発酵材料1が収容され発酵槽2と、発酵槽2で発生させた発酵熱を蓄熱する蓄熱槽3とを備えており、蓄熱槽3に回収された熱を利用して熱利用対象加温するものである。そして、発酵槽2と蓄熱槽3の間には、第1の通水配管5(第1の循環経路に相当)が設けられており、蓄熱槽3内の熱媒体6が図示しない第1のポンプによってこの第1の通水配管5内で循環される。同様に、蓄熱槽3と熱利用対象4の間にも第2の通水配管7(第2の循環経路に相当)が設けられており、蓄熱槽3内の熱媒体6が図示しない第2のポンプによってこの第2の通水配管7内にも循環される。 As shown in FIG. 1, the fermentation heat utilization system of the present invention includes a fermentation tank 2 in which a fermentation material 1 that generates fermentation heat is accommodated, and a heat storage tank 3 that stores the fermentation heat generated in the fermentation tank 2. provided is one in which by utilizing the heat recovered in the heat storage tank 3 to heat the heat utilization target object 4. And between the fermenter 2 and the heat storage tank 3, the 1st water flow piping 5 (equivalent to a 1st circulation path) is provided, and the heat medium 6 in the heat storage tank 3 is the 1st which is not shown in figure. It is circulated in the first water flow pipe 5 by a pump. Similarly, the 2nd water flow piping 7 (equivalent to a 2nd circulation path) is provided also between the thermal storage tank 3 and the heat utilization target object 4, and the heat medium 6 in the thermal storage tank 3 is not shown in figure. The second pump is also circulated in the second water flow pipe 7.

発酵槽2内に収容される発酵材料は、発酵により熱を生ずるものであれば如何なるものであってもよいが、資源の有効利用という観点から、伐採され廃棄されている森林資源を利用することが好ましい。特に、発酵による発熱が長期間持続し、発酵過程で臭気の発生が殆どない竹類を用いることが最も好ましい。 The fermenting material 1 accommodated in the fermenter 2 may be any material as long as it generates heat by fermentation. However, from the viewpoint of effective use of resources, a forest resource that has been cut and discarded is used. It is preferable. In particular, it is most preferable to use bamboos that generate heat during fermentation for a long period of time and hardly generate odor during the fermentation process.

熱利用対象4に循環させる第2の通水配管7についても同様であるが、その形態や材質等は、循環させる熱利用対象物4に応じて任意に選定すればよい。 It is the same for the second water passage pipe 7 for circulating the heat utilization target 4, the form and material, and the like may be arbitrarily selected according to the heat utilization target 4 for circulating.

熱利用対象4についても、任意の用途に利用することができるが、例えば前述の竹類を発酵材料に使用する場合、30℃以下程度加温が要求される用途に好適である。具体的には、土壌の加温、陸上養殖水槽の保温、駐車場等の融雪装置、穀物の低温乾燥等である。 For even heat utilization object 4, it can be utilized in any application, for example, when using the above bamboo fermentation material 1, is suitable for applications where the degree of heating 30 ° C. or less is required. Specifically, it includes soil warming, onshore culture tank heat insulation, snow melting equipment such as parking lots, and low temperature drying of grains.

なお、熱利用対象4には、補助熱源8を設置しておくことも好ましい態様である。勿論、蓄熱槽3からの熱のみで温度を維持するのが理想的であるが、予想を超える外乱変動があった場合や、発酵槽2から発生させる発酵熱のみでは不足する場合に備え、前記補助熱源8を設置しておけば、より安定な温度管理が可能になる。設置する補助熱源8は、電気温熱器等、任意の加熱装置が使用可能である。 In addition, it is also a preferable aspect that the auxiliary heat source 8 is installed in the heat utilization target object 4. Of course, in case of maintaining the temperature only by the heat from the thermal storage tank 3 is ideal, and if there is a disturbance fluctuation than expected, that insufficient only fermentation heat Ru is generated from the fermentation tank 2, If the auxiliary heat source 8 is installed, more stable temperature management becomes possible. As the auxiliary heat source 8 to be installed, any heating device such as an electric heater can be used.

前記発酵熱利用システムでは、発酵槽2内で発生した発酵熱を利用して熱利用対象物4の加温を行う。その際、先ず、発酵槽2内で定常的な発酵を継続させる必要がある。例えば、発酵材料として竹チップを用いた場合、発酵槽2内に堆積させ、適正な水分量に調整すると、発酵が始まるが、最初は竹類が含む栄養成分による発酵が進み、発酵槽2内の温度が急激に上昇する。この栄養成分の発酵が終わると、竹チップに含まれるリグノセルロース系有機物等が分解される発酵が進み、一定の温度状態が持続される。 In the fermentation heat utilization system, the heat utilization object 4 is heated using the fermentation heat generated in the fermenter 2. In that case, first, it is necessary to continue regular fermentation in the fermenter 2. For example, when bamboo chips are used as the fermentation material 1 , the fermentation starts when it is deposited in the fermenter 2 and adjusted to an appropriate amount of water. The temperature inside rises rapidly. When the fermentation of the nutritional components is finished, fermentation in which lignocellulosic organic matter and the like contained in the bamboo chips are decomposed proceeds and a certain temperature state is maintained.

次に、熱利用対象4からの要求に応じて、蓄熱槽3内の熱媒体6を第2の通水配管7を通じて熱利用対象4へと循環させる。これにより、熱利用対象4が所定の温度加温される。 Next, according to the request | requirement from the heat utilization target object 4, the heat medium 6 in the thermal storage tank 3 is circulated to the heat utilization target object 4 through the 2nd water flow piping 7. FIG. Thus, heat utilization object 4 is warmed to a predetermined temperature.

本願発明では、発酵槽2で発生した発酵熱を一度蓄熱槽3に回収し、容量の大きな蓄熱槽3を一定温度に維持している。そのため、熱利用対象4側の要求に応じて、供給する熱量の制御を行うことが可能である。また、一定の温度に維持する等、厳格な温度管理が可能である。 In the present invention, the heat of fermentation generated in the fermenter 2 is once recovered in the heat storage tank 3, and the large-capacity heat storage tank 3 is maintained at a constant temperature. Therefore, in response to a request heat utilization object 4 side, it is possible to control the amount of heat supplied. Moreover, strict temperature management is possible, such as maintaining a constant temperature.

1 発酵材料、
2 発酵槽、
3 蓄熱槽、
4 熱利用対象
5 第1配管、
6 熱媒体、
7 第2配管、
8 補助熱源
1 Fermentation material,
2 fermenters,
3 heat storage tank,
4 heat utilization object,
5 first pipe,
6 Heat medium,
7 and the second pipe,
8 Auxiliary heat source

Claims (2)

発酵材料が収容された発酵槽と、熱媒体収容された蓄熱槽と、熱利用対象物と、前記発酵槽と前記蓄熱槽とで熱交換するために前記熱媒体を前記発酵槽内に循環させる第1の配管と、前記蓄熱槽と前記熱利用対象物とで熱交換するために前記熱媒体を前記熱利用対象内に循環させる第2の配管から構成され、前記発酵槽で発生させた発酵熱を前記蓄熱槽蓄熱するとともに、前記蓄熱槽にて蓄熱した熱を前記熱利用対象加温または保温に利用することを特徴とする発酵熱利用システム。 Circulation and fermenter fermented material is accommodated, and the heat storage tank the heat medium is accommodated, the heat utilization target, the thermal medium to the fermenter in order to heat exchange with the heat storage tank and the fermenter is constructed from a first piping, second piping for circulating the heat medium to the heat exchange between the heat utilization object and the thermal storage tank into the heat utilization target which, generated by the fermenter fermentation heat utilization system, characterized in that the heat of fermentation obtained by addition to the heat storage in the heat storage tank, utilizes a heat regenerator in the heat storage tank to heating or heat insulation of the heat utilization target. 前記発酵材料が竹類の破砕物であり、前記熱媒体が水であることを特徴とする請求項1記載の発酵熱利用システム。 The fermentation heat utilization system according to claim 1, wherein the fermentation material is a crushed bamboo material , and the heat medium is water .
JP2011149472A 2011-07-05 2011-07-05 Fermentation heat utilization system and fermentation heat utilization method Pending JP2013013376A (en)

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