KR20040041129A - Heating pipe - Google Patents
Heating pipe Download PDFInfo
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- KR20040041129A KR20040041129A KR1020040028482A KR20040028482A KR20040041129A KR 20040041129 A KR20040041129 A KR 20040041129A KR 1020040028482 A KR1020040028482 A KR 1020040028482A KR 20040028482 A KR20040028482 A KR 20040028482A KR 20040041129 A KR20040041129 A KR 20040041129A
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- South Korea
- Prior art keywords
- pipe
- heating
- corrugated pipe
- heat
- present
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- 239000004809 Teflon Substances 0.000 claims abstract description 5
- 229920006362 Teflon® Polymers 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 239000012212 insulator Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 7
- 238000003915 air pollution Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- 239000003921 oil Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 239000008236 heating water Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/085—Infrared radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/22—Lint collecting arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Central Heating Systems (AREA)
Abstract
Description
본 발명은 난방용 파이프에 관한 것으로서, 보다 상세하게는 비닐하우스와 같은 대규모 실내공간을 고르게 난방하며, 대기를 오염시키는 원료를 사용하지 않아 친환경적이며, 난방에 따르는 원료비를 획기적으로 절감시키면서 난방효율을 극대화시킬 수 있도록 된 난방용 파이프에 관한 것이다.The present invention relates to a heating pipe, and more particularly, evenly heating a large indoor space, such as a plastic house, eco-friendly by not using raw materials that pollute the atmosphere, while maximizing the heating efficiency while dramatically reducing the cost of raw materials according to heating It relates to a heating pipe that can be made.
종래 비닐하우스 등과 같은 대규모 실내공간을 난방하는 난방수단으로는 주로 열풍기가 사용되었다. 열풍기는 대개 석유나 가스 등을 연소시켜 발생된 열을 대형 송풍팬을 이용하여, 실내로 환기시키는 방식으로 난방을 실시하였다.Conventionally, a hot air fan is mainly used as a heating means for heating a large indoor space such as a vinyl house. Hot air heaters are usually heated in such a way that the heat generated by burning oil or gas is ventilated into a room using a large blower fan.
그러나, 상기와 같은 열풍기는 비닐하우스 내부 전체를 고른 온도로 난방하기 어려워 난방효율이 떨어지는 문제점이 있다. 또한, 석유나 가스 등의 연료를 태우는 과정에서 유해가스를 발생시켜, 이 유해가스가 농작물의 성장을 저해시키거나, 인체의 호흡기 장애를 일으키는 등의 문제점을 야기시키고 있다. 또한, 석유나 가스 등의 연료가 점차 고갈되어 감에 따라 그 가격이 지속적으로 상승하고 있어, 난방에 막대한 연료비가 소요되므로, 일반 농가에서 열풍기를 이용하여 비닐하우스를 난방하는 것이 상당한 경제적 부담으로 작용되고 있다.However, the hot air blower as described above is difficult to heat the entire inside of the plastic house at a uniform temperature, thereby lowering the heating efficiency. In addition, harmful gases are generated in the process of burning fuel such as petroleum and gas, which causes problems such as inhibiting the growth of crops and causing respiratory failure of the human body. In addition, the price continues to rise as fuels such as oil and gas are gradually exhausted, and enormous fuel costs are required for heating. Therefore, heating a plastic house using a hot air blower in a farmhouse is a significant economic burden. It is becoming.
한편, 보일러를 이용하여 비닐하우스 곳곳에 난방수 배관을 설치하는 난방 방식도 개시되어 있으나, 이 역시 보일러를 가동시키기 위하여 석유나 가스 등의연료를 사용함으로써, 유해가스에 의한 피해 및 경제적 부담이 여전히 존재하고 있다. 또한, 난방수의 온도가 높지 않아 비닐하우스 내부의 대기를 난방하는 용도로 사용되기에는 난방효율이 크게 떨어지는 문제점이 있다.On the other hand, a heating method is also disclosed in which heating water pipes are installed in various places of a plastic house using a boiler. However, by using fuel such as oil or gas to operate the boiler, the damage and economic burden caused by harmful gases are still maintained. It exists. In addition, since the temperature of the heating water is not high, there is a problem in that the heating efficiency is greatly reduced to be used for heating the atmosphere inside the plastic house.
본 발명은 상기의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 파이프를 이용하여 난방을 실시하므로 비닐하우스와 같은 대규모 실내공간을 고른 온도로 난방할 수 있으며, 전기에너지를 이용하여 대기오염을 일으키지 않으므로 친환경적이고, 파이프를 고온으로 발열시키면서 대기와의 접촉면적을 넓힘으로써 적은 원료비로 난방효율을 극대화시킬 수 있도록 된 난방용 파이프를 제공하는 것이다.The present invention is to solve the above problems, the object of the present invention is to use a pipe to heat the large indoor space, such as a plastic house can be heated to an even temperature, it does not cause air pollution using electrical energy Therefore, it is eco-friendly and provides a heating pipe that can maximize heating efficiency with a small raw material cost by increasing the contact area with the atmosphere while heating the pipe to a high temperature.
도 1은 본 발명에 따른 난방용 파이프를 보인 단면도1 is a cross-sectional view showing a heating pipe according to the present invention.
도 2는 본 발명의 일실시예에 따른 사용상태도2 is a state diagram used in accordance with an embodiment of the present invention
도 3은 본 발명이 비닐하우스에 적용된 예시를 보인 사시도3 is a perspective view showing an example of the present invention applied to a plastic house
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
10. 골 15. 주름관10. Goal 15. Corrugated Tube
20. 절연체 25. 전열선20. Insulator 25. Heating cable
30. 열매체30. Heat medium
본 발명에 따르면, 골(10)이 진 주름관(15)과, 상기 주름관(15) 내부를 통과하며 절연체(20)에 의해 피복된 전열선(25)과, 상기 주름관(15) 내부에 충전되며 상기 전열선(25)에서 발생된 열을 상기 주름관(15) 내벽면으로 전달하는 열매체(30)를 포함하여 구성되는 것을 특징으로 하는 난방용 파이프가 제공된다.According to the present invention, the bone 10 is filled in the corrugated pipe 15, the heating wire 25 passing through the corrugated pipe 15 and covered by the insulator 20, and filled inside the corrugated pipe 15 There is provided a heating pipe, which comprises a heat medium 30 which transfers heat generated from the heating wire 25 to the inner wall surface of the corrugated pipe 15.
본 발명의 다른 특징에 따르면, 상기 절연체(20)는 실리콘 또는 테프론 재질로 성형된 것을 특징으로 하는 난방용 파이프가 제공된다.According to another feature of the invention, the insulator 20 is provided with a heating pipe, characterized in that molded from silicon or Teflon material.
이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다. 도 1은 본 발명에 따른 난방용 파이프를 보인 단면도이고, 도 2는 본 발명의 일실시예에 따른 사용상태도이며, 도 3은 본 발명이 비닐하우스에 적용된 예시를 보인 사시도이다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 is a cross-sectional view showing a heating pipe according to the present invention, Figure 2 is a state diagram according to an embodiment of the present invention, Figure 3 is a perspective view showing an example of the present invention applied to a plastic house.
이를 참조하면, 상기 난방용 파이프는 주름관(15) 내부를 절연체(20)에 의해 피복된 전열선(25)이 통과하며, 주름관(15) 내부에 전열선(25)의 열을 주름관(15) 내벽면으로 전달하는 열매체(30)가 충전되어 구성된다.Referring to this, the heating pipe passes through the heating wire 25 coated by the insulator 20 inside the corrugated pipe 15, and transfers the heat of the heating wire 25 to the inner wall of the corrugated pipe 15 inside the corrugated pipe 15. The heating medium 30 to be delivered is filled.
바람직하게, 상기 절연체(20)로는 실리콘 또는 테프론 재질이 채택된다.Preferably, the insulator 20 is made of silicon or Teflon material.
도 1을 참조하면, 상기 주름관(15)은 대기와의 접촉면적을 넓히기 위하여 길이방향을 따라 골(10)과 산(11)이 교호되어 배치되도록 형성된다. 바람직하게, 주름관(15)은 열전도성이 우수하며, 가공성이 뛰어난 알루미늄 재질로 성형된다. 주름관(15) 내부로는 절연체(20)에 의해 피복된 전열선(25)이 통과한다. 전열선(25)으로는 구리 강선이 채택된다. 전열선(25)은 도시안된 전원공급원으로부터 전류가 인가되면, 저항열에 의해 발열된다. 전열선(25)이 주름관(15) 내벽면에 접지되는 것을 방지하기 위하여, 전열선(25)의 외부에는 절연체(20)가 피복된다. 이때, 절연체(20)로는 고열에서 견디는 내열성이 양호한 실리콘 또는 테프론 재질이 선택된다. 이외에도 절연체(20)로는 내열성이 우수하며 열전도성이 뛰어난 알루미나계 또는 세라믹계 수지가 선택될 수도 있다. 그리고, 주름관(15) 내부에는 전열선(25)에서 발생된 열을 주름관(15) 내벽면으로 전달하는 열매체(30)가 충전된다. 바람직하게, 열매체(30)로는 끓는점이 높고, 증기압이 낮으며, 유동성이 좋은 오일류가 채택된다. 열매체(30)는 별도의 탱크(도시안됨)에서 공급될 수 있으며, 주름관(15) 내부에 폐공간을 형성하여 충전할 수도 있다. 열매체(30)의 유동성을 확보하기 위하여, 열매체(30)는 주름관(15) 내부에 만충전되지 않는 것이 바람직할 것이다.Referring to FIG. 1, the corrugated pipe 15 is formed such that the valleys 10 and the peaks 11 are alternately disposed along the longitudinal direction in order to widen the contact area with the atmosphere. Preferably, the corrugated pipe 15 is formed of an aluminum material having excellent thermal conductivity and excellent workability. The heating wire 25 covered by the insulator 20 passes through the corrugated pipe 15. As the heating wire 25, a copper steel wire is adopted. The heating wire 25 generates heat by resistance heat when a current is applied from a power supply source (not shown). In order to prevent the heating wire 25 from being grounded to the inner wall surface of the corrugated pipe 15, an insulator 20 is coated on the outside of the heating wire 25. At this time, as the insulator 20, a silicon or Teflon material having good heat resistance to withstand high heat is selected. In addition to the insulator 20, an alumina-based or ceramic-based resin having excellent heat resistance and excellent thermal conductivity may be selected. And, inside the corrugated pipe 15 is filled with a heat medium 30 for transferring the heat generated from the heating wire 25 to the inner wall surface of the corrugated pipe 15. Preferably, as the heat medium 30, oils having a high boiling point, low vapor pressure, and good fluidity are adopted. The heat medium 30 may be supplied from a separate tank (not shown), and may form and fill a closed space in the corrugated pipe 15. In order to ensure the fluidity of the heat medium 30, it is preferable that the heat medium 30 is not fully filled in the corrugated pipe 15.
도 2는 본 발명의 일실시예를 보인 사용상태도이고, 도 3은 본 발명이 비닐하우스에 적용된 예시를 보인 것으로서, 이를 참조하여 본 발명의 실시예에 대하여 설명하면 다음과 같다.Figure 2 is a state diagram showing an embodiment of the present invention, Figure 3 shows an example of the present invention applied to the plastic house, with reference to this embodiment of the present invention will be described as follows.
우선, 본 발명의 난방용 파이프는 도 2에서 보여지듯이, 분기관(35)에서 다수열의 파이프가 분기되어, 난방을 원하는 실내공간의 적재적소에 배치된다. 또한, 본 발명의 난방용 파이프는 분기관(35), 엘보우관, 직선형관, 곡선형관 등으로 제공될 수 있으며, 각각의 관체는 커넥터(40)에 의해 결합될 수 있다. 도 3의 실시예에서 본 발명은 비닐하우스의 난방을 위해 적용된다. 이 경우, 본 발명의 난방용 파이프는 비닐하우스 내부의 가장자리를 따라 배치되며, 비닐하우스 내부의 기둥(45)에 별도의 체결수단(50)에 의해 고정된다. 비닐하우스 내부의 적재적소에 배치된 주름관(15)은 비닐하우스 내부를 고른 온도로 난방하여, 농작물의 고른 성장을 도울 수 있을 것이다. 또한, 전기에너지를 이용하여 난방을 실시하므로, 종래 석유나 가스 등의 연료를 이용한 난방방식과 달리, 유해가스를 발생시키지 않아 농작물이나 인체에 해를 끼치지 않는 장점이 있다. 또한, 종래의 석유나 가스 등의 연료에 비해 상대적으로 저렴한 전기에너지를 이용하면서, 주름관(15)을 이용하여 파이프 외주면과 대기와의 접촉면적을 넓힘으로써, 적은 원료비로 난방효율을 극대화시킬 수 있는 장점이 있다.First, in the heating pipe of the present invention, as shown in FIG. 2, a plurality of rows of pipes are branched in the branch pipe 35, and are disposed in a loading place of a desired indoor space for heating. In addition, the heating pipe of the present invention may be provided as a branch pipe 35, an elbow pipe, a straight pipe, a curved pipe, and the like, and each pipe body may be coupled by a connector 40. In the embodiment of Figure 3 the invention is applied for the heating of a plastic house. In this case, the heating pipe of the present invention is disposed along the edge of the inside of the vinyl house, and is fixed by a separate fastening means 50 to the column 45 inside the vinyl house. The corrugated pipe 15 disposed in the loading place in the plastic house may heat the inside of the plastic house at a uniform temperature, thereby helping to evenly grow the crop. In addition, since heating is performed using electric energy, unlike the conventional heating method using fuel such as oil or gas, there is an advantage that does not harm the crops or the human body without generating harmful gas. In addition, while using electrical energy relatively inexpensive compared to conventional fuels such as oil or gas, by using the corrugated pipe 15 to increase the contact area between the outer peripheral surface of the pipe and the atmosphere, it is possible to maximize the heating efficiency with a small raw material cost There is an advantage.
이상에서 설명한 본 발명은 전술한 실시예 및 첨부된 도면에 의해 한정되는 것이 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형 및 변경이 가능하다는 것이 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.
이상에서와 같이 본 발명에 의하면, 파이프를 적재적소에 배치하여 비닐하우스와 같은 대규모 실내공간을 고른 온도로 난방하며, 파이프 내부에 충전된 열매체가 전열선의 저항열을 파이프 내벽면으로 전달하는 구조로 이루어져 유해가스를 발생시키지 않아 친환경적이면서, 주름관을 이용하여 대기와의 접촉면적을 넓힘으로써 난방효율을 극대화시킬 수 있도록 된 난방용 파이프를 제공할 수 있다.As described above, according to the present invention, by placing the pipe in the right place to heat a large indoor space such as a plastic house at an even temperature, the heat medium filled inside the pipe to transfer the resistance heat of the heating wire to the pipe inner wall surface. It is environmentally friendly and does not generate harmful gas, and can provide a heating pipe that can maximize heating efficiency by widening the contact area with the atmosphere by using a corrugated pipe.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040028482A KR20040041129A (en) | 2004-04-24 | 2004-04-24 | Heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040028482A KR20040041129A (en) | 2004-04-24 | 2004-04-24 | Heating pipe |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20-2004-0011450U Division KR200355764Y1 (en) | 2004-04-24 | 2004-04-24 | Heating pipe |
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| Publication Number | Publication Date |
|---|---|
| KR20040041129A true KR20040041129A (en) | 2004-05-14 |
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ID=37338274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020040028482A KR20040041129A (en) | 2004-04-24 | 2004-04-24 | Heating pipe |
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| Country | Link |
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| KR (1) | KR20040041129A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705977A (en) * | 2012-05-30 | 2012-10-03 | 苏州市金翔钛设备有限公司 | Heating device |
| KR101294934B1 (en) * | 2013-03-13 | 2013-08-08 | 김혜정 | Korean floor heating system |
| WO2015099248A1 (en) * | 2013-12-27 | 2015-07-02 | 주식회사 이앤비테크 | Heating pipe having stainless steel corrugated tube |
-
2004
- 2004-04-24 KR KR1020040028482A patent/KR20040041129A/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705977A (en) * | 2012-05-30 | 2012-10-03 | 苏州市金翔钛设备有限公司 | Heating device |
| KR101294934B1 (en) * | 2013-03-13 | 2013-08-08 | 김혜정 | Korean floor heating system |
| WO2015099248A1 (en) * | 2013-12-27 | 2015-07-02 | 주식회사 이앤비테크 | Heating pipe having stainless steel corrugated tube |
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