JP4744802B2 - Circulating humidity control mechanism in the building - Google Patents
Circulating humidity control mechanism in the building Download PDFInfo
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- JP4744802B2 JP4744802B2 JP2003428654A JP2003428654A JP4744802B2 JP 4744802 B2 JP4744802 B2 JP 4744802B2 JP 2003428654 A JP2003428654 A JP 2003428654A JP 2003428654 A JP2003428654 A JP 2003428654A JP 4744802 B2 JP4744802 B2 JP 4744802B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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Description
本発明は、一戸建て住宅、集合住宅、ビルなどの建物に適用することができる建物内の循環調湿機構に関するものであり、更に詳しくは、建物の室内に調湿機能材料を配置し、空気中の湿分の吸着と吸着した湿分を外気に加熱放出することが可能な健康で快適な建物内の循環調湿機構に係わるものである。 The present invention relates to a circulation humidity control mechanism in a building that can be applied to a single-family house, an apartment house, a building, and the like. It is related to a healthy and comfortable circulatory humidity control mechanism in a building that can adsorb moisture and heat and release the adsorbed moisture to the outside air.
快適な生活空間の環境条件としては、一般的に温度20〜28℃、相対湿度40〜60%程度が最も快適といわれている。
近年、省エネ型の建築物として高気密・高断熱性の建築施工方法が普及するのに伴って,建築物の内部に使用される建材や家具・日常品から発散するホルムアルデヒドやVOC(トルエン、キシレン、その他)などの揮発性有機化合物が健康に有害な影響を及ぼす「シックハウス症候群」の恐れが指摘されている。
As environmental conditions for comfortable living spaces, it is generally said that a temperature of 20 to 28 ° C. and a relative humidity of 40 to 60% are the most comfortable.
In recent years, with the spread of highly airtight and highly heat-insulating construction methods as energy-saving buildings, formaldehyde, VOC (toluene, xylene) emanating from building materials, furniture, and everyday items used in buildings ) And others) have been pointed out for fear of "sick house syndrome", which has a harmful effect on health.
この「シックハウス症候群」対策として建築基準法も改正され、内装建材の使用制限や機械換気設備の設置が義務づけられている。
換気方法については、一般的な方法として給排気ファンによる機械換気設備を用いて天井裏、床下、壁内、収納スペ−スなどと居室を区画して一体的に24時間換気する方法が提案されている。
As a countermeasure against this “sick house syndrome”, the Building Standards Act has been revised, requiring the use of interior building materials and the installation of mechanical ventilation equipment.
As a general ventilation method, a method of mechanically ventilating for 24 hours by dividing the room from behind the ceiling, under the floor, inside the wall, storage space, etc. using mechanical ventilation equipment with air supply and exhaust fans is proposed. ing.
しかしながら夏季においては、室内が高温高湿(温度30℃、相対湿度80%超)になって室内環境が不快になるため、室内空気の換気や通風を止めて空調設備を駆動することが多くなり、必ずしも本質的な「シックハウス症候群」対策になっているとはいえないのが実状である。また空調設備を駆動するための電力消費量も多くなる。 However, in the summer, the indoor environment becomes hot and humid (temperature 30 ° C, relative humidity over 80%) and the indoor environment becomes uncomfortable. However, the reality is that it is not necessarily an essential “sick house syndrome” countermeasure. In addition, power consumption for driving the air conditioning equipment increases.
このため、特に高温高湿(温度30℃、相対湿度80%超)室内の空気を調湿可能にする機能を持つ循環調湿機構を持つ低コストの機械換気システムが必要とされている。
本発明はかかる問題点に鑑みてなされたもので、建物の室内に調湿機能材料を配置し、空気中の湿分の吸着と吸着した湿分を外気に加熱放出することが可能な健康で快適な建物内の循環調湿機構を提供せんとするものである。 The present invention has been made in view of such problems, and it is possible to arrange a humidity control functional material in a room of a building and to adsorb moisture in the air and heat and release the adsorbed moisture to the outside air. It is intended to provide a comfortable circulation humidity control mechanism in the building.
本発明者は、上記問題に関して鋭意研究を行い、下記の手段で問題を解決できることを見出した。
すなわち、
建物内に設置され,室内空気入口側管路及び室内空気出口側管路からなる循環管路と、この循環管路の途中に設けられ,室内空気入口側管路及び室内空気出口側管路と,室外空気入口側管路及び室外出口側管路がそれぞれ接続される調湿装置と、室内空気入口側管路と室内空気出口側管路を接続する室内空気バイパス回路と、室内空気バイパス回路開閉バルブと、室内空気入口側管路及び室内空気出口側管路において室内空気バイパス回路の接続部と調湿装置の間にそれぞれ設置される室内空気入口側開閉バルブ及び室内空気出口側開閉バルブと、室外空気入口側管路及び室外空気出口側管路にそれぞれ設置される室外空気入口側開閉バルブ及び室外空気出口側開閉バルブと、室外空気入口側管路の調湿装置が接続されていない側の端部に上端が接続されるともに下端が開放され,集熱板が前面に配された流通路が形成される太陽熱交換機と、地中へ鉛直方向に埋設され,下端が封止されるとともに上端が室内空気出口側管路の調湿装置が接続されていない側の端部に接続される外管と,この外管内に所定の隙間をあけて下端が挿設される内管からなる地中熱交換器と、建物の床下に設置されるファンユニットと、を備え、外管の上部から突出する内管の上端は吸気配管を介してファンユニットに接続され、調湿装置は、無機質かつ多孔質の吸湿材と,この吸湿材が収納される容器とからなり、太陽熱交換機は、調湿装置よりも下方に配置され,集熱板を介して流通路に伝達される熱によって室外空気を流通路から室外空気入口側管路を経由して調湿装置に流入させ,自然循環によって室外空気と共に吸湿材の湿分を室外空気出口側管路から建物外へ放出させることを特徴とする建物内の循環調湿機構。
The present inventor has conducted intensive research on the above problems and found that the problems can be solved by the following means.
That is,
A circulation line installed in a building and comprising an indoor air inlet side line and an indoor air outlet side line, and provided in the middle of the circulation line, the indoor air inlet side line and the indoor air outlet side line, , A humidity control device to which the outdoor air inlet side pipe and the outdoor outlet side pipe are respectively connected, an indoor air bypass circuit connecting the indoor air inlet side pipe and the indoor air outlet side pipe, and opening and closing of the indoor air bypass circuit A valve, an indoor air inlet side opening / closing valve and an indoor air outlet side opening / closing valve respectively installed between the connection portion of the indoor air bypass circuit and the humidity control device in the indoor air inlet side conduit and the indoor air outlet side conduit ; and the outside air inlet on-off valve and the outdoor air outlet opening and closing valve which is installed, respectively Re outdoor air inlet side conduit and an outdoor air outlet conduit Niso, the humidity control apparatus of the outdoor air inlet side conduit is not connected Not on the end of the side Both the lower end is opened, and the solar heat exchange flow passage heat collection plate disposed in front are formed, are embedded in a vertical direction into the ground, the upper end indoor air outlet with the lower end is sealed but is connected A ground heat exchanger comprising an outer pipe connected to an end of the side pipe line to which the humidity control device is not connected, and an inner pipe having a lower end inserted in the outer pipe with a predetermined gap therebetween; A fan unit installed under the floor of the building, and the upper end of the inner pipe protruding from the upper part of the outer pipe is connected to the fan unit via the intake pipe, and the humidity control device is an inorganic and porous moisture absorbent The solar heat exchanger is disposed below the humidity control device, and the outdoor air is transferred from the flow passage to the outdoor air by the heat transmitted to the flow passage through the heat collecting plate. It flows into the humidity controller via the inlet-side pipe and Circulating humidity control mechanism in a building, characterized in that to emit outside the building the moisture absorbent material from the outdoor air outlet duct with outdoor air Te.
本発明は下記の効果を有する。
湿度の高い建物内の空気を連続的に循環調湿することが出来る。
健康・安全・快適な生活ができ、かつ家庭の省エネに有益である。
地球環境改善に多大の貢献をなす。
The present invention has the following effects.
It is possible to continuously circulate and adjust the air in a building with high humidity.
A healthy, safe and comfortable life is possible, and it is beneficial for household energy saving.
Contributes greatly to improving the global environment.
本発明の構造とその作用機能を図面で説明する。
図1〜6は本発明の全体システムと作用機能を説明する図である。
図1〜3は、室内の湿分の吸着、放出機構を説明する図である。
図1は吸湿機構、図2は吸着した湿分の放出機構を説明する図である。
図3は図1,2の開閉バルブの働きを詳しく説明する図である。
図4は、調湿装置の構造の説明図である。
図5は、太陽熱交換器の構造の説明図である。
図6は、地中熱による調湿機構を本発明に併用した時の説明図である。
The structure of the present invention and its function will be described with reference to the drawings.
FIGS. 1-6 is a figure explaining the whole system and an operation function of this invention.
1-3 is a figure explaining the adsorption | suction and discharge | release mechanism of moisture in a room | chamber interior.
FIG. 1 is a diagram for explaining a moisture absorption mechanism, and FIG. 2 is a diagram for explaining a mechanism for releasing adsorbed moisture.
FIG. 3 is a diagram for explaining in detail the operation of the on-off valve of FIGS.
FIG. 4 is an explanatory diagram of the structure of the humidity control apparatus.
FIG. 5 is an explanatory diagram of the structure of the solar heat exchanger.
FIG. 6 is an explanatory diagram when a humidity control mechanism using underground heat is used in combination with the present invention.
先ず、図1〜3によって建物内の空気の循環調湿機構を説明する。
ハウジング3は中に吸湿材を収納した密閉した容器で、循環管路4および屋外空気(外気)の入口、出口の管路がそれぞれ接続されている。湿分を含んだ室内の空気が循環管路4を通ってハウジング3の中に運ばれ、吸湿材で吸着除湿された空気は再び管路4を通って室内に戻される。
太陽熱で暖められた乾いた外気は、外気の入口側管路からハウジング3の中に流入して吸湿材に吸収された湿分を蒸発させて、外気出口側管路から外に放出させる。
図1は専ら室内の空気の湿分を吸収する場合で、外気の入口側、出口側の開閉バルブBは閉じられている。図2は吸収した室内の湿分を太陽熱で加熱乾燥した外気で蒸発させて外に放出する場合で、ハウジング3に流入、流出する室内空気の管路の開閉バルブは全て閉じられている。
図1で除湿乾燥した空気は管路4から1階、2階の床下に運ばれて循環される。
乾いた空気は1階、2階の床下から上に上昇し、再び図1の管路4に吸引されてハウジング3に送り込まれて一つの循環サイクルが完了する。
First, the air circulation humidity control mechanism in the building will be described with reference to FIGS.
The housing 3 is a hermetically sealed container containing a hygroscopic material therein, and is connected to the circulation pipe 4 and the inlet and outlet pipes for outdoor air (outside air). The indoor air containing moisture is conveyed into the housing 3 through the circulation line 4, and the air adsorbed and dehumidified by the hygroscopic material is returned to the room through the line 4 again.
The dry outside air heated by the solar heat flows into the housing 3 from the inlet side pipe of the outside air, evaporates the moisture absorbed by the moisture absorbent, and releases it from the outside outlet side pipe.
FIG. 1 shows a case where moisture in the room air is exclusively absorbed, and the open / close valve B on the inlet side and outlet side of the outside air is closed. FIG. 2 shows a case where the absorbed moisture in the room is evaporated by the outside air heated and dried by solar heat and released to the outside. All the open / close valves of the indoor air pipes flowing into and out of the housing 3 are closed.
The air dehumidified and dried in FIG. 1 is transported from the pipeline 4 to the first and second floors and circulated.
The dry air rises up from below the first and second floors, and is again sucked into the conduit 4 in FIG. 1 and sent into the housing 3 to complete one circulation cycle.
図1では吸湿機能のみ、図2では除湿機能のみをバルブの開閉を切り替えて別々の工程で行うように図示しているが、吸湿材の気孔径を微細にし、この吸湿材をハウジングの中に隙間なく密に充填すると、開閉バルブAの入側、出側および開閉バルブBをともに全開しても室内の空気と外気が混ざり合わないようになり、吸湿、除湿を同時に行うことが出来る。つまり吸湿を行いながら同時に除湿も行うことが出来るようになる。吸湿除湿を同時に行うための気孔径は100μm以下が好ましい。100μmを越えると室内の空気が外に漏れ出るので好ましくない。 In FIG. 1, only the moisture absorbing function is shown, and in FIG. 2, only the dehumidifying function is shown to be performed in separate steps by switching the opening and closing of the valve. When densely filled with no gap, indoor air and outside air will not be mixed even if both the inlet and outlet sides of the opening / closing valve A and the opening / closing valve B are fully opened, and moisture absorption and dehumidification can be performed simultaneously. That is, dehumidification can be performed simultaneously with moisture absorption. The pore diameter for simultaneous moisture absorption and dehumidification is preferably 100 μm or less. If it exceeds 100 μm , indoor air leaks out, which is not preferable.
図3は図1,2の除湿、吸湿時の開閉バルブの働きを細かく説明した図である。
吸湿工程
外気の入口、出口のバルブ(開閉バルブB−1,2)は全て閉止、外気側バイパス回路B−3は開く。
室内側バイパス回路(バルブA−3)は閉じて、開閉バルブA−1、A−2を開く。
湿った室内の空気はファンで吸入されて開閉バルブA−1からハウジング3に押し込まれる。
押し込まれた空気は吸湿材で除湿乾燥されて開閉バルブA−2から外に押出され、床下に送風される。
床下に送風された乾いた空気は、床上から室内に放出され、室内を上昇して天井の循環管路4に吸入されて再び開閉バルブA−1からハウジング3に押し込まれる。この工程を繰り返して建物内の除湿が行われる。
除湿工程
ハウジングの吸湿材の能力が一杯になったら、バルブA−1、A−2は閉じ、バイパス回路(A−3)を開く。
バルブB−1、B−2を開き、バイパス回路(B−3)を閉じる。
外気の高温、乾いた空気をバルブB−1からハウジング3に押し込む。
押し込まれた高温の空気は吸湿材を加熱して湿分を蒸発させ、蒸発した水蒸気とともにバルブB−2から外に放出される。
この工程を繰り返して吸湿材の除湿が行われる。
除湿が完了すると再びバルブを閉じて吸湿を行う。
FIG. 3 is a diagram illustrating in detail the function of the open / close valve during dehumidification and moisture absorption in FIGS.
The inlet and outlet valves (open / close valves B-1, 2) for the outside air in the moisture absorption process are all closed, and the outside air bypass circuit B-3 is opened.
The indoor bypass circuit (valve A-3) is closed and the open / close valves A-1 and A-2 are opened.
The damp indoor air is sucked by the fan and pushed into the housing 3 from the opening / closing valve A-1.
The pushed-in air is dehumidified and dried with a hygroscopic material, pushed out from the on-off valve A-2, and blown down the floor.
The dry air blown under the floor is discharged into the room from above the floor, ascends the room, is sucked into the circulation line 4 on the ceiling, and is pushed again into the housing 3 from the opening / closing valve A-1. This process is repeated to dehumidify the building.
When the capacity of the moisture absorbent in the dehumidifying process housing is full, the valves A-1 and A-2 are closed and the bypass circuit (A-3) is opened.
Valves B-1 and B-2 are opened, and the bypass circuit (B-3) is closed.
High temperature and dry air of the outside air is pushed into the housing 3 from the valve B-1.
The hot air that has been pushed in heats the moisture absorbing material to evaporate the moisture, and is released to the outside along with the evaporated water vapor from the valve B-2.
This process is repeated to dehumidify the hygroscopic material.
When dehumidification is complete, the valve is closed again to absorb moisture.
調湿装置は、図4に示すように密閉された容器(ハウジング3)の中に吸湿材が収納されており、ハウジング3には、外気の入口側、出口側の管路、および室内の空気の入口側、出口側の管路(循環管路4)が接続されている。 As shown in FIG. 4, the humidity control apparatus has a hygroscopic material housed in a hermetically sealed container (housing 3). In the housing 3, the outside air inlet side, the outlet side pipe line, and the indoor air An inlet side and an outlet side pipe line (circulation pipe line 4) are connected.
外気の入口側の管路は図5に示す太陽熱交換機に接続されている。
図5は太陽熱交換機の構造を説明するための図で、集熱版の一部(図の上部)を切り欠いで内部の構造を詳しく説明した図である。
太陽熱交換機は、太陽光に面する側に熱伝導性に優れた集熱板を配し、集熱板の裏面に接して空気の流通路が形成されている。流通路の底面から熱が逸散するのを防ぐために、流通路底面は断熱構造になっている。仕切板は空気の流れをかく乱して熱伝導を良くするために千鳥状に配置されている。
空気流通路の下端は開放されており、ここから外気が侵入して上に上昇し、上端で、外気入口側の管路に流入し、ハウジング3に入り、除湿して、ハウジングを出て、外気出口側の管路から外に放出される。
外気の吸入を促進するために外気出口側にファンを取付けてもよいが、必ずしも必須でない。太陽熱交換機は垂直に立設されているので自然通風だけで十分に外気を吸入出来る。
The pipe on the inlet side of the outside air is connected to the solar heat exchanger shown in FIG.
FIG. 5 is a diagram for explaining the structure of the solar heat exchanger, and is a diagram illustrating the internal structure in detail by cutting out a part of the heat collecting plate (upper part of the figure).
In the solar heat exchanger, a heat collecting plate excellent in thermal conductivity is disposed on the side facing sunlight, and an air flow path is formed in contact with the back surface of the heat collecting plate. In order to prevent heat from escaping from the bottom surface of the flow path, the bottom surface of the flow path has a heat insulating structure. The partition plates are arranged in a staggered manner to disturb the air flow and improve heat conduction.
The lower end of the air flow passage is open, outside air enters from here and rises upward, and at the upper end, flows into the pipe on the outside air inlet side, enters the housing 3, dehumidifies, exits the housing, It is discharged to the outside from the pipe on the outside air outlet side.
A fan may be attached to the outside air outlet side in order to promote inhalation of outside air, but it is not essential. Since the solar heat exchanger is installed vertically, it can inhale the outside air enough with only natural ventilation.
吸湿材には、無機質の多孔質材料が好適である。
上記多孔質の吸湿材の平均気孔径は100μm以下が好ましい。気孔径が100μmを越えると吸着能力が顕著に小さくなり、実質上の湿分吸着材としての実用性がなくなる。
気孔率は高ければ高いほど好ましいが、高すぎると機械的強度が落ちる。概ね30〜90%程度の範囲が好ましい。上限を越えると加工時に欠損等が起こりやすく取り扱いが難しくなる。下限未満では、所定の吸着能力を維持するためにハウジングの中により大量の吸着材を収納する必要が生じ、ハウジングの取付け用の空間が広くなって経済性と実用性の両面で極めて不利である。
An inorganic porous material is suitable for the hygroscopic material.
The average pore diameter of the porous hygroscopic material is preferably 100 μm or less. When the pore diameter exceeds 100 μm, the adsorption capacity is remarkably reduced, and practical use as a moisture adsorbent is lost.
The higher the porosity, the better. However, if the porosity is too high, the mechanical strength decreases. A range of about 30 to 90% is preferable. If the upper limit is exceeded, chipping and the like are likely to occur during processing, making handling difficult. Below the lower limit, it is necessary to store a larger amount of adsorbent in the housing in order to maintain the predetermined adsorption capacity, and the housing mounting space becomes wider, which is extremely disadvantageous in terms of both economy and practicality. .
吸着材の材質は、通常のセラミックス粉末、たとえば、珪石、炭素粉末、ゼオライト、木櫛粘土、酸化鉄、アルミナ、ジルコニア、チタニア、コ−ジライト、スポジューメン、チタン酸アルミニウム、石英、炭化珪素、窒化珪素粉末を多孔質に成形、焼成したものでもよいが、これらの成形、焼成体は気孔径、気孔率の調整が難しいので、天然の多孔質材、たとえば珪藻土、ゼオライト、石炭灰、溶岩等の粉末、粒体を無機質のバインダーで結合させて任意の形状に仕上げた物を利用すると良い。
また、上記したような材質の異なる天然多孔質材を適当な割合で配合ブレンドしてバインダーで結合させて複合機能をもった吸着材を使用することも可能である。
これら天然の材料は本発明が必要とする気孔径、気孔率の条件を満足させることが出来る。無機質のバインダーには、通常使用されているバインダーは全て利用できる。たとえば珪酸塩化合物、リン酸塩化合物、各種ゾル等、これら全てが利用できる。
The material of the adsorbent is a normal ceramic powder such as silica, carbon powder, zeolite, wood comb clay, iron oxide, alumina, zirconia, titania, cordierite, spodomen, aluminum titanate, quartz, silicon carbide, silicon nitride. The powder may be formed into a porous material and fired. However, since it is difficult to adjust the pore diameter and porosity of these molded and fired products, natural porous materials such as diatomaceous earth, zeolite, coal ash, lava powder, etc. It is preferable to use a product obtained by binding particles with an inorganic binder and finishing them in an arbitrary shape.
It is also possible to use an adsorbent having a composite function by blending and blending natural porous materials of different materials as described above in an appropriate ratio and bonding them with a binder.
These natural materials can satisfy the pore diameter and porosity conditions required by the present invention. As the inorganic binder, all commonly used binders can be used. For example, all of these, such as a silicate compound, a phosphate compound, and various sols, can be used.
図6は、本発明に更に地中熱を併用して調湿する場合の実施例に関する説明図である。
地中熱は四季を通じて一定しているので、地中パイプを埋設することによって概ね一定の地中温度(15〜20℃)の地中熱を利用することが出来る。
FIG. 6 is an explanatory diagram relating to an embodiment in the case where humidity control is further performed using ground heat in combination with the present invention.
Since geothermal heat is constant throughout the four seasons, it is possible to use geothermal heat at a substantially constant underground temperature (15-20 ° C) by burying underground pipes.
本発明においては、調湿材の吸着容量が飽和に達して放湿工程に切り替えた場合、つまり、バルブA−1、A−2は閉じ、バイパス回路(A−3)を開いている場合には、この間室内の空気は除湿されなくなる。この時は地中熱を利用した除湿を行うと常時室内の除湿が出来ることとなる。
図6において、バイパス回路(A−3)を通った湿分を含んだ空気は循環管路4を通って下降し、ジオパイプと称せられる地中熱交換器のパイプの中を通って建物の床下に設置したファンユニットによって吸入される。
ジオパイプは、図に示すように二重管構造であり、先端が封止された外管の中に内管が差し込まれた構造で、内管の先端は開放されており、外管と内管の間には適当な隙間が存在する状態で地中に垂直に埋め込まれている。
空気流は外管の穴から外管と内管の隙間に入り、隙間を下降して下端の封止部に衝突し
て方向を変えて内管を上昇する構造になっている。内管の上部は吸気配管によってファンユニットに接続されている。
In the present invention, when the adsorption capacity of the humidity control material reaches saturation and is switched to the moisture release process, that is, when the valves A-1 and A-2 are closed and the bypass circuit (A-3) is opened. During this time, the indoor air is not dehumidified. At this time, indoor dehumidification can be achieved by dehumidification using geothermal heat.
In FIG. 6, the moisture-containing air that has passed through the bypass circuit (A-3) descends through the circulation line 4 and passes through the pipe of the underground heat exchanger called a geopipe, below the floor of the building. Inhaled by a fan unit installed in
As shown in the figure, the geopipe has a double-pipe structure in which the inner tube is inserted into the outer tube whose tip is sealed, and the tip of the inner tube is open. It is buried vertically in the ground with a suitable gap between them.
The air flow enters the gap between the outer pipe and the inner pipe through the hole in the outer pipe, descends the gap, collides with the sealing portion at the lower end, changes direction, and rises the inner pipe. The upper part of the inner pipe is connected to the fan unit by an intake pipe.
外管表面は四季を通じて地中熱温度(15〜20℃)に保持されており、通過空気は地中熱によって熱交換される。
例えば、夏季の場合には、外気温度30〜35℃の空気が26〜28℃前後に冷却され、パイプ内面では空気中の水分が結露して第1段目の除湿が行われる。パイプの底部に溜まった結露水はポンプで吸い上げて屋外に排出する。
また冬季の場合では、外気温度5〜10℃の空気が12〜16℃前後に乾燥され、パイプ内面では空気中の水分が蒸発して加湿される。
The surface of the outer tube is maintained at a ground heat temperature (15 to 20 ° C.) throughout the four seasons, and the passing air is heat exchanged by the ground heat.
For example, in the summer, air having an outside air temperature of 30 to 35 ° C. is cooled to around 26 to 28 ° C., and moisture in the air is condensed on the inner surface of the pipe to perform the first dehumidification. Condensed water collected at the bottom of the pipe is pumped up and discharged outdoors.
In winter, air having an outside air temperature of 5 to 10 ° C. is dried to around 12 to 16 ° C., and moisture in the air is evaporated and humidified on the inner surface of the pipe.
これら湿分を多く含む空気を効率よく冷却・除湿するためには、予め埋設すべき地下パイプの設置本数を増やすか或いは埋設地下パイプを長くすれば解決されるが、コスト高になって経済的でない。 In order to efficiently cool and dehumidify the air containing a lot of moisture, it can be solved by increasing the number of underground pipes to be buried beforehand or lengthening the underground pipes. Not.
梅雨期における空気は特に高温多湿であり、地中熱によって冷却・除湿されたとはいっても必ずしも充分ではなく、未だ多くの湿分が含まれているため不快な状態のままである。
これら湿分を多く含む空気を効率よく冷却・除湿するため、夏季にはファンユニットの排出側に冷たい地下水を通水して冷却する熱交換機(水流)を設置し、この熱交換機に湿分を多く含む空気を接触させて熱交換することによって空気を再度冷却・除湿する。
地下水の温度は四季を通じて地中熱温度(15〜20℃)と同じであり、この地下水を熱交換機に通すことによって上述した地下パイプの設置本数を増やすか或いは埋設地下パイプを長くことと同等の効果を得ることが出来る。
The air in the rainy season is particularly hot and humid, and although it is cooled and dehumidified by underground heat, it is not always sufficient, and it still remains uncomfortable because it contains a lot of moisture.
In order to efficiently cool and dehumidify the air that contains a lot of moisture, a heat exchanger (water stream) is installed on the discharge side of the fan unit to cool and pass cold ground water in the summer. The air is cooled and dehumidified again by exchanging heat by contacting a large amount of air.
The temperature of groundwater is the same as the underground heat temperature (15 to 20 ° C) throughout the four seasons. By passing this groundwater through a heat exchanger, the number of installed underground pipes is increased or the length of buried underground pipes is the same. An effect can be obtained.
水流熱交換機に循環させる液体の熱媒体には、上述したように、夏季には地下水が最
も好ましく、冬季には、暖かい地下水や太陽熱温水器の温水或いはボイラ−で加温した温水などを通水しても良い。これらは必要に応じて適宜組合せて使用しても良い。たとえば温水器の温水で加温したフィンプレ−トとボイラー温水で加温したフィンプレ−トを別々に設置して循環空気を加温するようにしても良い。
As described above, the ground heat is most preferable for the liquid heat medium to be circulated in the water flow heat exchanger. In winter, warm ground water, warm water from a solar water heater, warm water heated by a boiler, etc. are passed through. You may do it. You may use these suitably combining as needed. For example, a fin plate heated with warm water of a water heater and a fin plate heated with boiler warm water may be separately installed to heat the circulating air.
水流熱交換機で再度冷却・徐湿された空気は、複数の穴のあいた吸気パイプを通してぐり石の充填層に吹き出すようになっている。グリ石は、直径50〜100mmの石を、1階床下に地表面から40〜50cmの堆積厚さに積んだものである。堆積層の上面は土間コンクリ−トの基礎床或いは床面で気密されている。
また堆積層の底面には地中からの湿分の上昇を防止するためのコンクリ−ト又は防湿シートが敷かれており、地中からの湿分の上昇は防止する構造になっている。
The air that has been cooled and humidified again by the water flow heat exchanger is blown out through the intake pipe with a plurality of holes into the packed bed of calcite. Guristone is a stone with a diameter of 50 to 100 mm piled up to a depth of 40 to 50 cm from the ground surface under the first floor. The upper surface of the sedimentary layer is hermetically sealed with the foundation floor or floor surface of dirt concrete.
In addition, a concrete or moisture-proof sheet for preventing moisture from rising from the ground is laid on the bottom surface of the deposited layer, so that the moisture from the ground is prevented from rising.
堆積されたグリ石とグリ石の間には隙間が存在し、吹出された冷却空気はこのグリ石の
隙間の中を通過するときにもグリ石の蓄熱効果によって保温されている。
ラジエタ−を通過した空気はこのグリ石の蓄熱効果を受けて夏季には26〜28℃、冬季には12〜16℃の温度に保持されている。
グリ石の堆積層の隙間を通り過ぎた空気流は、GEO炭と称せられる木炭或いはセラミック炭と接触しながら床下から1階室内に送られていく。
There is a gap between the piled stones and the stones, and the cooling air blown out is kept warm by the heat storage effect of the stones when passing through the gaps between the stones.
The air that has passed through the radiator is maintained at a temperature of 26 to 28 ° C. in the summer and 12 to 16 ° C. in the winter due to the heat storage effect of the gulite.
The airflow that has passed through the gap between the piles of guristone is sent from the underfloor into the first floor room in contact with charcoal or ceramic charcoal called GEO charcoal.
以上のような機構で、ファンユニットで吸い込まれた外気は地中熱による第1段目の冷却と除湿、水流熱交換機による第2段目の冷却と除湿が行われ、床下に排出される空気は除湿乾燥された温調並びに調湿された空気と成る。 With the above mechanism, the outside air sucked in by the fan unit is cooled and dehumidified by the first stage by underground heat, and cooled and dehumidified by the second stage by the water flow heat exchanger, and the air discharged below the floor. Becomes dehumidified and dried temperature-controlled and humidity-controlled air.
3…ハウジング 4…循環管路
3 ... Housing 4 ... Circulation line
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