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economic new glass high efficiency concentrator sell in nabeul

PSA oxygen generator price medical and industrial oxygen plant PSA oxygen generator adopts high-quality zeolite molecular sieve as adsorbent and uses the principle of pressure swing adsorption(PSA) to obtain oxygen directly from compressed air. Thchnical Index: Model no: BXO Structure: Skid installation Capacity: 1~1000Nm3/h Purity: >80~95%(standard is 93%) Pressure: 0.1~0.5MPa(adjustable) Dew Point: -40~-70℃(under normal pressure) Function: Producing nitrogen gas with designed flow rate, purity and outlet pressure Features: 1.Intelligent, automatic operation, remote/automatic control 2.Special air distribution system, flow rate control, compaction technology and other technologies ensure stable operation; 3.Oxygen purity, pressure, flow rate on-line monitoring 4.Oxygen purity, flow rate are adjustable, meeting customer flexible needs; WORKING PRINCIPLE According to the press swing adsorption theory,the high quality zeolite molecular sieve as the adsorbent, under the certain pressure, zeolite molecular sieve has the adsorption capacity selectively,the nitrogen is adsorbed largely by the zeolite molecular sieve selectively, and the oxygen and nitrogen is separated. We usd two adsorption towers, one adsorb the nitrogen to generate oxygen, one desorb the nitrogen to regenerate the zeolite molecular sieve, cycle and alternation,on the basis of PLC automatic process system to control the pneumatic valve open and colse, thus to get the high quliaty oxygen continuously Learn More

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Company Strength: The company possesses 40 years of production experience and three large-scale factories, as well as exports to more than 160 countries. There are abundant hot-selling projects accessible to you.

Our Service: 24/7 online customer service, free customized solution from our engineers, field visiting of China industries, training support after the delivery of goods, 365 days of online after-sales service, and post-maintenance plan.

Cheap and environmentally friendly: Factory-direct sale, fast delivery with guaranteed quality at factory price, in line with the concept of environmental development.

united oxygen, united oxygen suppliers and manufacturers

,LTD, founded in 2009, is a professional engaged in air separation plant, dissolved acetylene plant, chemical tail gas recycling equipment, food grade CO2 equipment, liquefied natural gas equipment, N2O plant design, research and development, manufacture and after-sales service as one of technological innovation-oriented enterprises. Company existing staff 56, including engineering and technical personnel 13, senior engineering personnel 6, all is for many years engaged in the field of low temperature and chemical products’s technical research and development and manufacturing personnel, in the long-term technology research and development and the production practice has accumulated rich experience. Based on the "quality credibility to survive, technology development and development" enterprise policy, adhering to the chuang tzu and party made use of "useless" ideas, no use is big use, constantly blaze new trails, strive to build a gas industry technology leader and pioneer, for the general customers to provide professional quality services

Two oxygen cylinders exchange working, auto drain water, nitrogen and other impurities output. Oxygen purity is up to 90+-3%, and oxygen outlet pressure is 0.06-0.08 Mpa. Oxygen purity is up to 90+-3%, and oxygen outlet pressure is 0.06-0.08 Mpa

Features of oxygen parts: · T wo oxygen cylinders exchange working , it repair/replace which reduced cost of maintenance. · It ’ s a good choice to use for human health, oxygen supply for animal/plant, oxygen supply for ozone machine, glass or metal treatment etc. Quality guarantee: 1.Committed to the standardization of the ozone market, Zeao make strict control of every step from assembling to packing

united oxygen, united oxygen suppliers and manufacturers

The oxygen generator aquires oxygen by separating oxygen directly from the atmosphere and deliver it to application with an oxygen generator. The after-sale service system guarantees swift response to your problems within 24 hours and their resolutions in the shortest time. Then the adsorption and desorption/regeneration processes switch in the two adsorption towers

8. It’s a good choice to use for human health,oxygen supply for animal/plant,oxygen supply for ozone machine, glass or metal treatment etc. About us For Globalozone, we can supply to you not only ozone generator, but also the high purity of Oxygen generator and UV water sterilizer. For the oxygen, we can supply to you not only the 3LPM, 5LPM, 8LPM, 10LPM PSA oxygen generator spare parts, but also the complete oxygen machine for home and industrial from 3LPM to 70LPM etc

a spectrally tunable dielectric subwavelength grating

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Energy consumption of buildings is increasing at a rapid pace due to urbanization, while net-zero energy buildings offer a green and sustainable solution. However, limited rooftop availability on multi-story buildings poses a challenge for large-scale integration of photovoltaics. Conventional silicon solar panels block visible light making them unfeasible to cover all the surfaces of a building. Here, we demonstrate a novel dielectric grating based planar light concentrator. We integrate this functional device onto a window glass transmitting visible light while simultaneously guiding near infrared (NIR) portion of sunlight to edges of the glass window where it is converted to electricity by a photovoltaic cell. Gratings are designed to guide NIR region and realize polarization independent performance. Experimentally, we observe 0.72% optical guiding efficiency in the NIR region (700–1000 nm), transmitting majority of the visible portion for natural room lighting. Integrating solar cell at the window edge, we find an electrical conversion efficiency of about 0.65% of NIR light with a 25 mm2 prototype. Major losses are coupling and guiding losses arising from non-uniformity in fabrication over a large area. Such a functional window combining energy generation, natural room lighting and heat load reduction could mitigate urban heat island effect in modern cities

The development of efficient optical concentrators to deliver a functional and economic solution for renewable power harvesting has focused mainly on solar photovoltaic and solar thermal power applications. Prominent methods utilize reflection (parabolic dish1,2), refraction (Fresnel lens3,4,5) or a combination of both reflective and refractive optics such as a compound parabola and prism6. Existing concentrators such as the Fresnel reflector, parabolic dish and light funnel7 require complex opto-mechanical frame works including moving lenses/mirrors to guide/manipulate the direction of light. However, these designs require sophisticated solar tracking, which make them bulky and expensive systems

In contrast, advances in planar concentrators such as Luminescent Solar Concentrators (LSC)8 (either using dyes9,10 or quantum dots11,12,13), holographic concentrators14,15,16 and micro-optic concentrators17,18,19 demonstrate a low-cost and minimally tracking approach for solar light concentration. LSCs consist of dyes or quantum dots deposited on a transparent glass substrate10, which absorb incident solar energy over a certain band of wavelengths and reradiate in a different band (either down-shifted or up-shifted). Subsequently, the reradiated light is guided to the edges through the substrate. For instance, reported LSCs have demonstrated a power conversion efficiency of 2.85%20 (using silicon quantum dots over an area of 144 cm2), 2.8%21 (using CdSe quantum dots over an area of 15.4 cm2 with attached reflectors and solar cells) and an external quantum efficiency of ~3%22 (using CdSe and CdZnS quantum dots for a length of 100 cm). Major challenges of LSCs are degradation of dyes, self-absorption and low conversion efficiency8,22,23,24. Moreover, LSCs reradiate the light in all directions resulting in reduced coupling into the guided modes of the substrate. Additionally, in the current designs8,25,26 a relatively narrow band of the incoming solar radiation is harnessed (full width at half maximum, FWHM <200 nm)

a spectrally tunable dielectric subwavelength grating

A planar holographic concentrator is a potential technology to overcome these challenges. This system has shown power generation improvements of about 25% in solar cells27. However, holographic concentrators partially block visible light due to the placement of solar cells in the direct light path. Micro-optic concentrator is another class of planar concentrators in which a micro-lens and a diffuser is utilized to guide incoming sunlight to the waveguide. This technology can achieve higher optical concentration, as it utilizes multiple lenses to focus the light and couple to waveguides with rather low angular acceptance (<2°)17, thus requiring bulky and precise solar tracking infrastructure. Hotspot formation here results in accelerated degradation of solar cells28 and absence of wavelength selectivity causes thermalization losses thus reducing the overall conversion efficiency

While conceptually promising, there are several challenges in the existing optical concentration technologies such as precise tracking, maintenance requirements, lower lifetime of opto-mechanical moving components, absence of spectrally selective light guiding, etc. Grating based designs are one of the approaches to realize a planar concentrator to overcome most of these challenges29,30,31. There a various High Contrast Grating (HCG) based designs such as aperiodic metasurfaces as a planar focusing element32, a two-dimensional metasurface as planar micro-lenses30 and a metal-based Fabry-Perot cavity solar cell33. In this work, we explore a subwavelength grating to realize a planar concentrator. Gratings diffract the incoming light into the glass substrate and can be designed to couple the light of desired wavelengths to first order transmission with highest efficiency by eliminating zero order transmission/reflection. Subwavelength gratings diffract the light at steeper angles over a broad wavelength range with high efficiency and this ensures guiding of desired wavelength band in the glass substrate. Grating based approach has the potential to eliminate the longer wavelengths (below bandgap) of sunlight reaching the solar cell which otherwise would not contribute to solar photovoltaic conversion and causes solar cell heating. The desired spectral selectivity of diffraction gratings can be tuned by optimizing the grating geometry parameters: grating period, duty cycle and thickness for a chosen material

concentrator solar cell with world's highest conversion

Sharp Corporation has achieved the world's highest solar cell conversion efficiency of 44.4%, using a concentrator triple-junction compound solar cell. These solar cells are used in a lens-based concentrator system that focuses sunlight on the cells to generate electricity.

This latest Sharp breakthrough came about through research and development efforts that are part of the "R&D on Innovative Solar Cells" project promoted by Japan's New Energy and Industrial Technology Development Organization (NEDO). Measurement of the value—which sets a record for the world's highest concentrating conversion efficiency—was confirmed at the Fraunhofer Institute for Solar Energy Systems (ISE) in Germany

Compound solar cells typically offer high conversion efficiency while utilizing photo-absorption layers made from compounds of multiple elements, such as indium and gallium. Sharp's concentrator triple-junction compound solar cells use a proprietary technology that enables the efficient conversion of sunlight into electricity by means of a stack of three photo-absorption layers, the bottommost of which is made from InGaAs (indium gallium arsenide)

To achieve a concentrating conversion efficiency of 44.4%, Sharp worked to widen the effective concentrator cell surface and ensure uniformity of width at the interface of the connecting concentrator cell and electrodes

concentrator solar cell with world's highest conversion

Because of their high conversion efficiency, compound solar cells have thus far been used primarily on space satellites. Looking to the future, Sharp aims to harness this latest development success and make the use of compound solar cells more feasible in terrestrial applications.

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