Abstract:
PURPOSE: A mixing member of a static mixer is provided which increases mixing efficiency, uniformly mixes fluids within a mixing tube, reduces a pressure loss between the entrance and exit of the static mixer by minimally preventing a passage from being shielded at a connection unit, and enables the mixing member to be simply fabricated, thereby reducing energy consumption, lowering the fabrication cost and facilitating processing management. CONSTITUTION: The mix member(80) of a static mixer comprises: a pair of elliptical flat panels having long channels formed in a short axial direction; and a pair of elliptical flat panels having long channels formed in a long axial direction, the pairs of elliptical flat panels disposed crosswise at an angle of 85 to 95 degrees with respect to each other, wherein the static mixer performs a mixing operation such that main movement directions of fluids passing through the elliptical flat panels are varied alternately in the long and short axial directions to increasing the mixing performance.
Abstract:
노즐공을 통하여 분사되는 유체의 분사압력이 일정하도록 개량된 노즐 구조체에 대해 개시한다. 이 구조체는 고압의 유체가 통과되는 통로를 형성하는 중공(11)의 하우징(10)과, 하우징(10)의 선단에 위치되고 노즐공(21)이 형성된 노즐판(20)과, 하우징(10)의 선단에 결합되어 노즐판(20)을 하우징(10)에 고정결합시키는 노즐캡(30)을 구비하며, 중공(11)을 경유하는 일부 유체가 저장되고 유체가 설정압 이하로 토출될때 다시 상기 저장된 유체를 공급하는 축압수단을 구비한다. 축압수단은 하우징(10)의 일측에 중공(11)과 연통하는 분기공(10a)이 형성되고, 분기공(10a)과 연통하며 분기공(10a)을 통하여 유입되는 유체를 수용하는 축압실(40a)을 가지는 축압실린더(40)와, 축압실린더(40)에 슬라이딩 가능하게 결합되며 축압실(40a)의 용적을 변화시키는 피스톤(41)과, 축압실(40a)의 용적이 최소화되는 방향으로 피스톤(41)을 탄성지지하는 스프링(42)을 구비한다. 이와 같은 노즐 구조체는 노즐하우징(10)의 일측에 설정압 이상으로 공급되는 유체의 일부를 일시 저장시키고 설정압 이하로 유체가 공급될때 저장되었던 유체압을 보충토록 하는 축압수단을 구비함으로써 노즐공(21)을 통한 분사압력이 일정하도록 한다.
Abstract:
PURPOSE: A method for preparing a polymer-layered organic compound nanocomposite is provided to improve the production yield of crystalline silicate while reducing the production cost, and to control the interlayer distance in more economic and easier way, thereby expanding the interlayer distance and improving physical properties. Further, since the method uses only non-toxic organic solvent which is recycled in the method, pollutants are not generated, thereby being environmentally friendly. CONSTITUTION: The method for preparing a polymer-layered organic compound nanocomposite comprises: (1) preparing silica slurry by neutralizing sodium metasilicate(Na2SiO3) or fluorosilicic acid (H2SiF6) as silica sources while maintaining the conditions of a temperature of 20-80deg.C and a pH value of 6-12; (2) adding alkali to the prepared silica slurry so as to make the ratio of silica to alkali to the range of 1-25 to 1, the ratio of water to alkali to the range of 50-500 to 1, and carrying out a hydrothermal reaction of the mixture at 100-200deg.C for 1-200hours to prepare layered inorganic compounds of magadiite or kenyaite; (3) acidifying the layered inorganic compounds to form silanol groups between the layers, dispersing it to an organic solvent where a compound being possible to form a hydrogen bond with the silanol group is dissolved, and drying the resulted product by evaporation to obtain a layered organic compound; and (4) inserting a functional polymer between the layers of the layered organic compound.
Abstract:
PURPOSE: A preparation method of magadiite and kenyaite is provided to reduce the production cost due to substitution of the silica source with sodium silicate or fluorosilicate and improve a yield with more simplified and economic process. CONSTITUTION: The preparation method of magadiite and kenyaite comprises: preparing a silica slurry by neutralizing a silica source selected from sodium silicate or fluorosilicate, at 20-80deg.C and pH value of 6-12; adding alkali to the silica slurry to have a molar ratio of silica to alkali being 1-25:1 and water to alkali being 50-500:1; and carrying out hydrothermal reaction at 100-200deg.C for 1-200hours.
Abstract:
PURPOSE: A stirring type ice making machine of ice slurry and an ice thermal storage system are provided to prevent ice slurry in a thermal energy storage tank from coagulating by flowing refrigerant like brine after installing agitators inside the thermal energy tank and to produce several kinds of ice slurry with one ice making machine. CONSTITUTION: A brine tank is connected to a thermal energy tank(21) of an agitating ice making machine(20) by a refrigerant inlet pipe(20a) having a brine pump and a refrigerant outlet pipe(20b). The thermal energy storage tank is connected to a heat exchanger by an outlet pipe having a slurry pump and a recovery pipe. A driving motor(22) is installed to an upper portion of the thermal energy storage tank. An agitator(25) is installed inside the thermal energy tank together with an agitating gear(27). A gear shaft(24) is installed between rotating shafts(26) of each agitator to penetrate an upper surface of the thermal energy storage tank. A first slave gear(24a) is fixed to an upper portion of the gear shaft and a second slave gear(24b) to a lower portion. The first slave gear is geared with a driving gear(23) of the driving motor and the second slave gear with agitating gears. A refrigerant flow tube(26a) is formed along the rotating shaft to communicate a refrigerant distributing portion(28) with a refrigerant recovery portion(29). Thereby, uniform ice slurry is formed by rotation of the agitator without coagulation.
Abstract:
PURPOSE: An improved nozzle assembly suitable to supply fluid with a constant injection pressure is provided to prevent irregularity of injection pressure caused from vibration/external force such as a washing fluid pump. CONSTITUTION: The nozzle assembly comprises a housing(10) having a hollow(11) to form a passage for high pressurized fluid; a nozzle plate(20) with nozzle holes(21) and located at front end of the housing(10); a nozzle cap(30) coupled to the front end of the housing(10) to secure and connect the nozzle plate(20) to the housing(10); and a compressing component to store some of the fluid passing through the hollow(11) and to supply the fluid when the fluid is discharged at a certain pressure or below. The compressing component has a branch hole(10a), a compression cylinder(50) having a compression chamber(40a), a piston(41) to vary volume of the chamber(40a) and a spring(42) to elastically support the piston(41) in a direction of minimizing the volume.
Abstract:
A urethane forming apparatus with explosion-proof construction used in a filter manufacturing process is provided to reduce probability of explosion by installing a dual wall structure at a raw material tank. A urethane forming apparatus with explosion-proof construction used in a filter manufacturing process includes a polyol tank(12), an isocyanate tank(13), a stirrer(20), an ejection head, and a detergent tank(14). The polyol tank has a main body for accommodating polyol, and a reinforcement wall surrounding the main body. The isocyanate tank has a main body for accommodating isocyanate, and a reinforcement wall surrounding the main body. The stirrer receives raw materials from the tanks and stirs them. The ejection head injects the stirred material into a capped part. The detergent tank accommodates a detergent for cleaning the material remaining on the stirrer and the ejection head.
Abstract:
본 발명은 고분자-유기 층상화합물 나노복합체의 제조방법에 관한 것으로서, 보다 상세하게는 규산나트륨(Na 2 SiO 3 ) 또는 불화규산(H 2 SiF 6 )을 실리카원으로 사용하여 제조한 결정성 층상화합물인 마가다이트(magadiite) 또는 케냐이트(kenyaite)를 산처리하여 층 내에 실란올기를 형성시킨 후 상기 실란올기와의 수소결합이 가능한 화학물질의 함량을 조절하여 용해한 유기용매에 분산시켜 원하는 대로 층간거리를 충분히 확장시킴과 동시에 층간 실란올기를 실릴화시키고 여기에 고분자를 도입한 고분자-유기 층상화합물 나노복합체 제조방법에 관한 것이다. 본 발명에 의하면 기존의 방법보다 층간 거리를 용이하게 조절할 수 있으며 보다 확장시킬 수 있는 층상 화합물을 더욱 경제적인 방법으로 제조할 수 있으며, 여기에 기능성 고분자를 비롯한 범용성 고분자를 층간 삽입하여 고분자 수지의 보강제, 페인트 첨가제, 화장품의 충진제 등의 산업상 다방면으로 이용할 수 있다.
Abstract:
본 발명은 2형 당뇨병의 억제 및 개선 효과를 가지는 한국산 조의 단백질 농축물에 관한 것이다. 더욱 상세하게는, 본 발명은 조(Foxtail millet)를 호화시키고 아밀라아제 및 글루코아밀라아제를 첨가하여 전분을 분해함으로써 얻어지는, 조 단백질 농축물을 함유하는 것을 특징으로 하는 2형 당뇨병 예방 및 치료용 조성물에 관한 것이다. 본 발명에 의한 조 단백질 농축물은 혈중 HDL-콜레스테롤 및 아디포넥틴(adiponectin)의 농도를 현저하게 상승시키고, 인슐린 분비는 현저하게 저하시키므로, 2형 당뇨병을 예방 및 치료하는 효과가 있다.
Abstract:
본 발명은 일정량의 미역과 된장을 감자, 실파, 멸치엑스, 다시마엑스, 바지락 엑스, 양파분말, 마늘분말 등과 혼합하고, 이를 동결건조하여 블럭형의 건조물을 제조함으로써 부피가 작고, 뜨거운 물에서 복원력이 우수한 즉석 미역 된장국(본 발명의 미역과 된장의 혼합으로 제조한 즉석국을 호칭하기로 한다.)및 그 제조방법에 관한 것이다. 이로써 1인용의 건조블럭을 만듦으로써, 소량씩 1회에 한하여 먹을 수 있게 되었고, 또한 스프와 건조물을 별도화 하지 않고 동시에 혼합, 제조함으로써 소비자들로 하여금 조리시의 편리함을 도모할 수 있게 되었다.