KR20150033765A - Heat recovery ventilation system with Antimicrobial equipment fitted - Google Patents
Heat recovery ventilation system with Antimicrobial equipment fitted Download PDFInfo
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- KR20150033765A KR20150033765A KR20130112465A KR20130112465A KR20150033765A KR 20150033765 A KR20150033765 A KR 20150033765A KR 20130112465 A KR20130112465 A KR 20130112465A KR 20130112465 A KR20130112465 A KR 20130112465A KR 20150033765 A KR20150033765 A KR 20150033765A
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- rotary type
- heat recovery
- heat exchange
- belt
- total heat
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- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 title claims description 11
- 230000000845 anti-microbial effect Effects 0.000 title 1
- 239000002918 waste heat Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 241000282887 Suidae Species 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036387 respiratory rate Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 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
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000037149 energy metabolism Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 235000015277 pork Nutrition 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
본 발명은 돈사용 폐열회수 환기장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste heat recovery ventilator using money.
종래 돈사나 축사에도 환기시 외부로 배출되는 열을 이용하여 내부로 공급하는 공기를 가열하는 폐열회수 환기장치가 사용되고 있기는 하지만, 그 효율성이 낮아 좀더 열교환 효율이 높고 유지관리가 편리한 폐열회수 환기장치의 개발이 요구되었다. A waste heat recovering ventilator for heating the air supplied to the inside by using the heat discharged to the outside when ventilating is used is used in the past, but the efficiency of the waste heat recovering ventilator is low, and the waste heat recovery ventilator .
종래 축사용 열교환기는 주로 현열교환기(판형)를 사용하고 있으나, 설치공간이 많이 필요한 단점이 있고 에너지 회수 효율이 낮으며, 전열교환(잠열회수)이 안되므로 흡습재 및 부식방지 코팅 시 가격인상 요인이 발생하는 단점이 있었다. Conventional shaft heat exchangers mainly use sensible heat exchangers (plate type), but they have disadvantages in that they require a lot of installation space, have low energy recovery efficiency, and do not perform total heat exchange (latent heat recovery) .
상기 문제점을 감안하여 안출한 본 발명은 설치공간이 적고 에너지 회수효율이 높은 환기장치의 제공을 목적으로 한다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a ventilation apparatus having a small installation space and high energy recovery efficiency.
상기 목적을 달성하기 위한 본 발명은 로터리형의 전열교환기를 사용하고, 로터리형 전열교환 소자를 적용하되, 로타리형으로 구동부와 벨트로 회전하면서 급기부와 배기부로 분리되는 전열교환 유니트를 구성하고, Casing은 Rotor와의 일정한 간격을 적절하게 유지시켜야하며 공기의 Bypass 및 역행을 방지할 수 있도록 실링(Sealing)을 부착한다.In order to accomplish the above object, the present invention provides a rotary type total enthalpy heat exchanger, comprising: a rotary type total heat exchange element; a rotary type rotary heat exchanger unit rotatably driven by a driving unit and a belt, The casing should maintain proper spacing with the rotor and seal to prevent by-pass and back-flow of air.
Frame은 전열교환기의 기종 및 크기에 따라 2~4등분으로 분할하여 조립 및 운반 작업이 용이하도록 하고, 구동 Motor는 Geared Motor Type으로 사용하며, Tension Pulley, Tension Spring을 설치하여 Geared Motor는 고정이 되고 Belt의 장력을 조정하도록 구성함을 특징으로 한다.The frame is divided into 2 to 4 parts according to the type and size of the total heat exchanger to facilitate assembly and transportation. The driving motor is used as a geared motor type. The geared motor is fixed by installing tension pulley and tension spring Thereby adjusting the tension of the belt.
이와 같은 본 발명에 의하면, 설치공간이 적고 에너지 회수효율이 높은 환기장치의 제공할 수 있다. 따라서 돈사 또는 축사의 공간활용도가 높아지고 높은 열교환 효율에 의해 에너지를 절감할 수 있는 효과가 있다.According to the present invention as described above, it is possible to provide a ventilation apparatus having a small installation space and high energy recovery efficiency. Therefore, space utilization of a pension company or a housing facility is increased, and energy can be saved by high heat exchange efficiency.
도 1은 본 발명에 의한 로터리형 전열교환소자의 열교환 원리 설명도
도 2a, 2b, 2c는 본 발명에 의한 폐열회수 환기장치의 정면사진, 측면 사시사진, 내부 사진
도 3a, 3b, 3c는 본 발명에 의한 쳬열회수 환기장치의 정면도, 평면도, 측면도
도 4는 본 발명의 블로워 장착사진
도 5는 본 발명의 살균장치 패드 장착 사진 1 is an explanatory view of a heat exchange principle of a rotary type total heat-exchanging element according to the present invention;
FIGS. 2A, 2B and 2C are a front view, a side view, and an inside view of the waste heat recovery ventilator according to the present invention.
FIGS. 3A, 3B and 3C are a front view, a plan view and a side view of the heat recovery ventilator according to the present invention
Figure 4 is a photograph of a blower mounting photograph
Fig. 5 is a photograph showing a sterilizing device pad mounting photograph
이하 본 발명을 구현하기 위한 구체적인 실시 예를 첨부된 도면에 의거 상세히 살펴보면 다음과 같다.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명은 우선 로터리형의 전열교환기를 이용하는데, 로터리형 전열교환기는 정업 손실이 낮고 효율이 높은 장점이 있다. The rotary type total enthusiast exchanger of the present invention uses a rotary type total enthusiast exchanger, which has advantages of low turnover loss and high efficiency.
또한 이러한 로터리형 전열교환기를 사용함에 의해 전열교환소자 또한 로터리형 전열교환소자를 사용하는데, 이러한 로터리형 전열교환소자는 전열특성이 뛰어난 알루미늄 소재에 잠열회수를 위한 흡습제를 코팅하고 유돈 가스성분이 많은 돈사의 특성을 고려하여 부식방지코팅을 실시하였다.
In addition, by using such a rotary type total heat exchanger, a rotary type total heat exchange element is also used as the total heat exchange element. Such a rotary type total heat exchange element is formed by coating a moisture absorbent for recovering latent heat with an aluminum material having excellent heat transfer characteristics, The anti-corrosion coating was performed considering the characteristics of the pigs.
본 발명의 폐열회수 환기장치를 안출하기 위하여 다음과 같은 점이 고려되었다. The following points have been considered in order to describe the waste heat recovery ventilator of the present invention.
- 폐열회수형 환기장치의 적정 크기 선정 및 분석- Appropriate size selection and analysis of waste heat recovery ventilator
적용할 돈사의 경우 이유돈사로 평균 체중 50kg, 사육두수 200두인 무창돈사의 안정 시에 필요한 환기량을 계산하여 환기장치의 규모를 선정하였다. 이 경우 허용하는 탄산가스 농도는 외기 300ppm(신선한 공기), 돈사 안 1,500ppm을 전제로 한다. 그리고 외기온도 및 습도가 돼지의 사양에 적정하다는 것도 전제로 하였다. 산소 소비량은 0.392/kg/시간, 탄산가스 배출량은 0.336/kg/시간으로 계산하였다.In the case of pigs to be applied, the size of the ventilation system was calculated by calculating the amount of ventilation required for stabilizing the pork moth, which is 50 kg in average weight, In this case, the allowable concentration of carbon dioxide gas is 300ppm (fresh air) in outside air and 1,500ppm in purger. It was also assumed that the outside temperature and humidity were appropriate for the specifications of pigs. Oxygen consumption was 0.392 / kg / hour, and carbon dioxide emission was 0.336 / kg / hour.
*필요한 환기량(㎥/h)* Required amount of ventilation (㎥ / h)
= 돈사 내 가스 총 발생량(평균 체중×사육두수×0.336)÷(1.5-0.3)= Amount of gas generated in pigs (average weight × number of rearing × 0.336) ÷ (1.5-0.3)
= 3,360÷1.2= 3,360 ÷ 1.2
= 2,800(㎥/시)= 2,800 (m3 / hour)
= 46.7(㎥/분)이 된다.
= 46.7 (m < 3 > / min).
이 환기량은 일반적인 경우 직경 50 휀 2대면 충분하다는 계산이 되지만 현실에서는 그렇게 단순하지 않다. 상황에 따라서 호흡량이 변화한다. 잠을 잘 때와 걸어다닐 때를 비교하면 5배의 차이가 있다. 그리고 온도에 따라서 호흡수가 크게 변화한다. 온도가 35인 경우와 10인 경우에 호흡수를 비교하면 5배의 차이가 있어, 적정한 환기를 하기 위해서는 다음과 같은 포인트를 고려하여야 한다.This amount of ventilation is calculated to be enough for two 50 fans in diameter in general, but it is not so simple in reality. The volume changes according to the situation. There is a difference of 5 times when sleeping and when walking. The number of breaths varies greatly with temperature. When the temperature is 35 and 10, the respiratory rate is 5 times higher than the respiratory rate, so the following points should be considered for proper ventilation.
①환경온도의 변화, 스트레스① Changes in environmental temperature, stress
②비안정 시의 운동량에 의한 환기량의 증가② Increase of ventilation by unsteady momentum
③체열발산에 의한 사내 온도/습도 상승③ In-house temperature / humidity rise due to heat generation
④건물의 복사열에 의한 온도 상승④ Temperature rise due to radiant heat of building
⑤증체 시에 관계되는 에너지 대사율⑤ Relative energy metabolism rate
체중에 관계가 없이 동절기에는 도입되는 공기가 습도/온도가 낮기 때문에 풍량을 증가시키면 돈사 안은 더 나쁜 조건에 빠지게 된다. 따라서 최저 환기량은 문헌에 따라 견해의 차이가 있지만 돈사 안의 산소농도를 20%이상 유지하고, 탄산가스 농도를 1,500ppm, 암모니아 농도를 15ppm 정도로 억제하는 것이 적절하리라 판단되고, 본 건 연구를 위하여 적용할 돈사의 경우 2800CMH이상의 용량으로 선정하여 3000CMH 급으로 설계하였다.
Regardless of body weight, the air introduced during the winter season is low in humidity / temperature, so if you increase the airflow, you will fall into worse conditions. Therefore, it is judged that it is appropriate to keep the oxygen concentration in the pesticide more than 20%, to suppress the carbon dioxide gas concentration to 1,500 ppm, and the ammonia concentration to about 15 ppm, although there is a difference in opinion according to the literature. In case of pig companies, it was selected as capacity of 2800CMH or more and designed as 3000CMH class.
본 발명의 폐열회수 환기장치는 다음과 같이 구성된다.The waste heat recovery ventilator of the present invention is constructed as follows.
○ 로터리형 전열교환 유니트 제작시방 ○ Specification of Rotary Heat Exchanger
① 전열교환 유니트는 전열교환기의 가장 중요한 부품으로써 환기로 인한 배기공기의 현열 과 잠열을 동시에 높은 효율로 흡수(회수) 및 방출(방열) 할수 있는 구조 및 기능을 갖추도록 제작한다.① The heat exchange unit is the most important part of the total heat exchanger and it is designed to have the structure and function to absorb (recover) and release (heat) the sensible heat and latent heat of exhaust air due to ventilation at high efficiency.
② 전열교환 유니트는 로타리형으로 구동부와 벨트로 회전하면서 급기부와 배기부로 분리되어 제작한다. ② The heat exchange unit is a rotary type, which is manufactured by separating into a supply part and an exhaust part while being rotated by a driving part and a belt.
③ AL.소재의 표면을 강화시키고 코로게이트형으로 특수 제작하여 공기통과 시의 정압손실을 최소화하여 제작한다.③ It is made by strengthening the surface of AL material and specially produced by using corrugated type, minimizing the static pressure loss of the air cylinder and the city.
④ 전열교환 유니트의 크기는 최대의 효율을 얻을 수 있도록 설계 소프트웨어에 의하여 선정하며 면 통과풍속은 2.0 ~ 2.8 m/sec 상태에서 효율이 65% ~ 75% 이상이 될 수 있도록 제작 한다.④ The size of the total heat exchange unit is selected by design software to get maximum efficiency and the efficiency of 65% ~ 75% in case of passing wind speed of 2.0 ~ 2.8 m / sec.
⑤ 전열교환 유니트는 현장 반입 및 설치, 유지보수 관리가 용이한 구조로 제작한다.⑤ The heat exchange unit is designed to be easy to carry on site, install and maintain.
⑥ 전열교환 유니트의 소재는 세척을 하여도 변화가 없어야 하며 화학적으로 불활성이고 인체에 무해하여야 한다.
⑥ The material of the heat exchange unit should be unchanged even after cleaning, chemically inert and harmless to human body.
○ 케이싱(CASING) 제작 시방○ CASING Production Specification
① Casing의 재질은 1.6MM~3.3MM Steel Plate로써 분해 및 조립이 용이하여야 하며 Frame과의 취부가 간편하고 견고한 구조로 한다.① The material of the casing is 1.6MM ~ 3.3MM steel plate. It should be easy to disassemble and assemble. It should be easy to install with frame and have solid structure.
② Casing과 Frame의 고정용 Bolt Nut는 Sus 제품을 사용하며 연결부분은 Washer를 넣고 조립한다.② Bolt Nut for Suspension of Casing and Frame is made of Sus.
③ Casing은 Rotor와의 일정한 간격을 적절하게 유지시켜야하며 공기의 Bypass 및 역행을 방지 할 수 있도록 실링(Sealing)을 부착하도록 한다.③ Casing should maintain proper spacing with rotor and seal should be installed to prevent bypass and backward of air.
④ Casing 외부에는 구동모터의 정기점검 및 보수작업의 용이하도록 구성한다.
④ The outside of the casing is designed to facilitate the regular inspection and maintenance of the drive motor.
○ 프레임(FRAME) 제작시방○ Frame (FRAME) production specification
① Frame의 구조는 전열교환기의 크기에 따른 Rotor의 중량, Casing 이 취부 되어야 하므로 충분한 강도와 견고성을 갖춘 규격의 사각 PIPE 등의 재료를 사용하며 분해 조립이 용이하도록 구성한다.① The structure of the frame is to make the disassembly and assembly easily by using materials such as square pipe with sufficient strength and rigidity because the weight of the rotor and the casing should be attached according to the size of the total heat exchanger.
② Frame은 전열교환기의 기종 및 크기에 따라 현장반입조건 및 설치 조건 등을 감안하여 Frame을 2~4등분으로 분할하여 조립 및 운반 작업이 용이하도록 한다.
② The frame is divided into 2 ~ 4 parts according to the type and size of the total heat exchanger considering the loading conditions and the installation conditions, so that the assembly and transportation work is easy.
○ 구동부(DRIVING) 제작시방○ Specification of DRIVING
① 구동 Motor는 Geared Motor Type으로 사용하며 Rotor의 회전수가 10~15 RPM으로 회전하도록 감속비를 1/5~1/20의 범위 내에서 적당한 용량을 선정한다.① The drive motor is used as a geared motor type, and a suitable capacity is selected within the range of 1/5 ~ 1/20 of the reduction ratio so that the rotation number of the rotor rotates at 10 ~ 15 RPM.
② Rotor의 회전 및 운전이 용이하도록 설치하고 Belt의 신장과 미끄럼(Slip)방지를 위하여 자동적으로 조절할 수 있는 구조로서 반드시 Tension Pulley, Tension Spring을 설치하여 Geared Motor는 고정이 되고 Belt의 장력을 조정하여야 한다.② It is designed to be able to rotate and operate the rotor and to adjust automatically to prevent elongation and slip of the belt. Tension pulley and tension spring must be installed so that the geared motor is fixed and the tension of the belt is adjusted do.
③ Pulley는 정밀한 가공과 운전 밸런싱으로 구동 시 진동과 벨트의 손상이 없도록 제작한다.③ Pulley is manufactured by precise machining and operation balancing to prevent vibration and belt damage when driven.
Claims (1)
Casing은 Rotor와의 일정한 간격을 적절하게 유지시키고 공기의 Bypass 및 역행을 방지할 수 있도록 실링(Sealing)을 부착하며,
Frame은 전열교환기의 기종 및 크기에 따라 2~4등분으로 분할하여 조립 및 운반 작업이 용이하도록 하고, 구동 Motor는 Geared Motor Type으로 사용하며,
Tension Pulley, Tension Spring을 설치하여 Geared Motor는 고정이 되고 Belt의 장력을 조정하도록 구성함을 특징으로 하는 항균장치가 부착된 무창 돈사용 폐열회수 환기장치.In constructing a waste heat recovery ventilation system, a rotary type total heat exchanger is used, and a rotary type total heat exchange element is applied. In the rotary type, an electric heat exchange unit which is separated into a supply part and an exhaust part while being rotated by a driving part and a belt and,
Casing is equipped with sealing to properly maintain a constant gap with the rotor and prevent bypassing and backing of the air,
The frame is divided into 2 ~ 4 parts depending on the type and size of the total heat exchanger to facilitate assembly and transportation work. The drive motor is used as a geared motor type,
Wherein the tension motor is fixed and the tension of the belt is adjusted by installing a tension pulley and a tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130112465A KR20150033765A (en) | 2013-09-23 | 2013-09-23 | Heat recovery ventilation system with Antimicrobial equipment fitted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130112465A KR20150033765A (en) | 2013-09-23 | 2013-09-23 | Heat recovery ventilation system with Antimicrobial equipment fitted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20150033765A true KR20150033765A (en) | 2015-04-02 |
Family
ID=53030873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20130112465A KR20150033765A (en) | 2013-09-23 | 2013-09-23 | Heat recovery ventilation system with Antimicrobial equipment fitted |
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| Country | Link |
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| KR (1) | KR20150033765A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644879A (en) * | 2019-01-07 | 2019-04-19 | 东北农业大学 | Winter northern cold ground pig house ring control integrated machine system |
| CN113951145A (en) * | 2020-07-21 | 2022-01-21 | 东莞市鋆威机械设备有限公司 | Energy-saving heat exchange system for pigsty |
-
2013
- 2013-09-23 KR KR20130112465A patent/KR20150033765A/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109644879A (en) * | 2019-01-07 | 2019-04-19 | 东北农业大学 | Winter northern cold ground pig house ring control integrated machine system |
| CN113951145A (en) * | 2020-07-21 | 2022-01-21 | 东莞市鋆威机械设备有限公司 | Energy-saving heat exchange system for pigsty |
| CN113951145B (en) * | 2020-07-21 | 2022-12-27 | 东莞市鋆威机械设备有限公司 | Energy-saving heat exchange system for pigsty |
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