The invention patents of the air separation industry over the years are here

1 CN2014108206479 A device and method for extracting high-purity liquid argon by using crude argon prepared by multiple sets of air separation

  2 CN201410797344X An air separation antenna for supermarkets and warehouse RFID systems

  3 CN2014106103533 Three-dimensional beamforming space division multiple access adaptive transmission method using statistical channel state information

  4 CN2014103330588 Low energy consumption oxygen-enriched combustion system coupling solar energy and chemical chain air separation technology

  5 CN2014102645468 Ultra-low pressure air separation equipment process flow

  6 CN2014102844334 Millimeter wave massive MIMO system multi-user transmission method based on space division multiple access and interference suppression

  7 CN2014102773593 High-efficiency air separation device using cold energy of liquefied natural gas

  8 CN2014102538057 Oxygen-enriched combustion pulverized coal boiler integrated with chemical chain high-temperature air separation to produce oxygen and CO2 capture method

  9 CN2014102125181 Ultra-low pressure single tower cryogenic air separation process control system

  10 CN2014102056270 Air separation industry inter-stage cooling equipment structure finite element analysis method

  11 CN2014101433607 Heterogeneous small cell space division interference coordination method based on beam dynamic closing

  12 CN2014100880800 Relay selection method based on network coding and space division multiplexing

  13 CN2014100845671 Air separation device liquid oxygen pump DCS double pump hot standby control method

  14 CN2014100635033 Atmospheric pressure and low-altitude nitrogen recovery and utilization method for air separation device

  15 CN2013105939685 Compressed air cooling method of methanol air separation plant

  16 CN2013105308279 Space-time and time-division inter-satellite link rapid chain establishment method based on space-time prior chain establishment information

  17 CN2013104706207 Method for repairing fluctuations in working conditions of air separation equipment

  18 CN2013104051385 A method for reducing the temperature of carbon dioxide gas by using the cooling capacity of air separation liquid products

  19 CN2013103937168 Device and method for reducing comprehensive power consumption of air separation equipment

  20 CN2013103695099 A space division multiplexing system and method suitable for free space optical communication

  21 CN2013103609110 A method for quickly erecting an air separation tower construction platform

  22 CN2013103593502 Cognitive radio user space division multiplexing method based on interference alignment

  23 CN2013103217260 Conveyor used for horizontal packing packing in tower body of large air separation equipment

  24 CN2013103152270 Method and device for adjusting equipment of air separation unit

  25 CN2013103077551 Equipment protection device for pressure gas leakage in cold box of air separation unit fractionation tower

  26 CN2013102919270 Desiccant for air separation oxygen production and preparation method

  27 CN2013102589904 Space division multiplexing method of multi-core optical fiber

  28 CN2013102379291 Device and method for increasing ratio of nitrogen and oxygen products of air separation device

  29 CN2013102354345 Sand conveying device for air separation tower

  30 CN201310223008X Thermally coupled air separation tower system

  31 CN2013101405513 A space division interference suppression method suitable for centralized wireless local area network

  32 CN201380043209X Space division multiplexing device containing multi-core optical fiber and self-homodyne detection method

  33 CN2013100478451 An air separation cold box

  34 CN2013100529129 Space division multiplexing strategy, method and transceiver structure for space optical communication

  35 CN2013100296788 An air separation device for preparing oxygen and nitrogen by isostatic separation

  36 CN2013100302473 An air separation device for preparing oxygen and nitrogen by isostatic separation of air

  37 CN2013100309237 An air separation device for preparing oxygen and nitrogen by isostatic separation

  38 CN2013100267022 Novel liquid air separation device and process

  39 CN2013100267075 High-purity oxygen production system and high-purity oxygen preparation process of cryogenic air separation unit

  40 CN2013100258907 Synthesis method of mesomicroporous sequential structure LSX molecular sieve used as oxygen-enriched adsorbent for air separation

  41 CN2012105970058 Method for evaluating operation energy consumption of large-scale low-temperature air separation unit

  42 CN2012105523247 A method for avoiding space division interference of wireless local area network OBSS site

  43 CN2012103583830 Internal compression process air separation method and system for reducing temperature difference of high-pressure plate heat exchanger

  44 CN2012103466061 Radial air separation purifier

  45 CN2012103297364 An air separation device for preparing liquid oxygen by using liquid nitrogen backflow to provide cold energy

  46 CN2012103305055 An air separation device for preparing high-purity liquid nitrogen by using liquid oxygen inverted tank

  47 CN2012800425852 Method and device for space division multiplexing system

  48 CN2012103082589 Space division multiplexing multiple antenna system coding and decoding method based on rotating constellation diagram

  49 CN2012102923924 Communication device and its space division duplex method

  50 CN2012102482688 Space division multiplexing method and device

  51 CN2012102232201 Air separation aluminum tower vertical butt welding method

  52 CN201210192534X A method for simplifying large-scale air separation rectification tower tray model oriented to variable working condition adjustment

  53 CN2012101680338 Liquid air separation pretreatment device and process with pressurized oxygen

  54 CN2012101601228 An air separation process for cryogenic air separation equipment that mainly produces high-purity nitrogen and concurrently produces liquid oxygen

  55 CN2012101575810 Adsorption system of cryogenic air separation device

  56 CN2012101440368 Air separation plate-fin membrane type main cooling liquid distributor

  57 CN2012101439286 Air separation plate-fin type falling film condensing evaporator

  58 CN2012100666297 A supporting guide pipe rack for low-temperature pipelines in air separation cold boxes

  59 CN2012100440905 Leakage test method for main heat exchanger of air separation equipment

  60 CN2012100333072 Metallurgical type internal compression air separation unit oxygen constant flow regulation method

  61 CN2012100213140 Preparation method of zeolite adsorbent for producing oxygen from air separation

  62 CN2011104467279 Automatic variable load multivariable control method of air separation plant

  63 CN2011103742226 Semi-physical simulation method of air separation equipment amplification design

  64 CN2011103652821 A method and device for space division judgment

  65 CN2011103351345 A scanning method for human body security inspection system using frequency and space division technology

  66 CN2011103361281 A scanning method for human body security inspection system using air separation technology

  67 CN201110306362X Auxiliary device for air separation equipment air cooling island when load is insufficient in summer

  68 CN2011103000334 An air separation nitrogen water pre-cooling system and its water delivery subsystem

  69 CN2011103019576 Multi-stage distillation process for preparing high-purity nitrogen air separation

  70 CN2011102718662 Non-disturbance compensation control method for molecular sieve flow in air separation unit

  71 CN2011102699286 Main condensing evaporator of air separation plant

  72 CN2011102358351 A method and device for realizing uplink space division multiple access

  73 CN2011101868022 Link adaptive adjustment method and device after space division multiplexing

  74 CN2011101626288 Space division multiplexing user selection method and system

  75 CN2011800008898 Optical transmission network backplane time division to space division bit width conversion method and backplane

  76 CN2011101482008 Space division multiple access method based on joint beamforming

  77 CN2011100949836 Single-user MIMO scheme and device and base station combined with space division multiplexing under double-layer cooperative cluster structure

  78 CN2011800232427 Space division duplex device and method for millimeter wave communication system

  79 CN2011100098190 A method and base station for realizing space division multiple access under super cell

  80 CN2010106184725 Braking method of expander and an air separation device

  81 CN201010625158X Efficient uplink space division multiple access operation

  82 CN2014103025481 Efficient uplink space division multiple access operation

  83 CN2010105765730 Resource allocation method and device in space division multiple access system

  84 CN2010105765815 Resource layering method and device of space division multiple access system

  85 CN2010800549771 Communication system and method using space division multiple user multiple input multiple output (SD-MIMO) communication method

  86 CN2010105299435 Method and system for authorizing physical uplink channel power for space division multiplexing users

  87 CN2010105270352 Small low-pressure process air separation tower liquid suspension rapid treatment method

  88 CN2010800478441 Signal detection device and method in space division multiplexing system

  89 CN2010102981352 Method for reducing energy consumption of liquid air separation

  90 CN2010102970964 An air separation method using cold energy of liquefied natural gas

  91 CN2010102743693 A method and equipment for realizing space division multiplexing

  92 CN2010102738680 A communication method and base station using space division multiplexing to access SDMA

  93 CN2010102512843 A method for air separation scheduling

  94 CN2010102246050 Air separation cold box layered sand removal method

  95 CN2010102249557 Distributed interference type optical fiber microphone array device based on space division multiplexing

  96 CN2010102143798 Installation method of air separation tower structure equipment

  97 CN201010213727X Non-linear control system and method of air separation main tower

  98 CN2010102138821 Non-linear observation system and method for temperature distribution in air separation energy saving process

  99 CN201010213798X Non-linear control system and method of air separation energy saving process

  100 CN2010102137528 Proportional integral control system and method of air separation energy saving process

  101 CN2010102103945 Space division multiple access transmission method of statistical characteristic mode

  102 CN2010101845651 Space division multiple access multiple antenna transmission downlink pilot frequency and channel estimation method

  103 CN2010101855511 Training sequence allocation for space division multiplexing

  104 CN2010101676634 A connection structure of an air separation cold box and a method for assembling the cold box

  105 CN2010101604316 Control method of electric furnace power regulator for molecular sieve of air separation unit

  106 CN2010800271179 Reference signal and data superimposition method and equipment based on space division multiple access

  107 CN2010101625825 Conversion and utilization of overflow heat energy in cryogenic air separation

  108 CN2010101321919 A ​​method and device for controlling air separation interference

  109 CN2010800094827 Method and equipment for scheduling uplink request space division multiple access (RSDMA) message in wireless local area network with space division multiple access capability

  110 CN2010800086680 Method and device for orthogonal pilot tone mapping in multiple input multiple output (MIMO) and space division multiple access (SDMA) systems

  111 CN2009102152703 Adsorber structure in pressure swing adsorption air separation equipment

  112 CN2009101571790 Internal thermally coupled air separation tower dynamic process simulation system and method

  113 CN2009101571841 Internal thermally coupled air separation tower balance-level energy-saving control system and method

  114 CN2009101571752 Air separation tower production potential optimization system and method

  115 CN2009101571767 Air separation tower energy saving potential optimization system and method

  116 CN2009101571771 Internal thermally coupled air separation tower energy saving potential optimization system and method

  117 CN2009101571786 Internal thermal coupling air separation tower production potential optimization system and method

  118 CN2009101571818 Internal thermally coupled air separation tower steady-state process simulation system and method

  119 CN2009101571822 Air separation tower steady-state flow simulation system and method

  120 CN2009101571837 Air separation tower balance-level energy-saving control system and method

121 CN2009101571856 Air separation tower unbalanced energy-saving control system and method

  122 CN2009101571860 Internal thermally coupled air separation tower unbalanced energy-saving control system and method

  123 CN2009101571803 Air separation tower dynamic process simulation system and method

  124 CN2009102438132 Air separation judgment method and equipment

  125 CN2009102438128 A DPCH air separation method, system and equipment

  126 CN2009101555622 Non-linear predictive control system and method for air separation energy saving process

  127 CN2009101555641 Non-linear process observation system and method for air separation energy saving process

  128 CN2009101555637 High-purity control system and method for air separation energy-saving process

  129 CN2009102428499 Space division judgment method and base station

  130 CN2009801562253 Space division multiple access and channel estimation of wireless local area network

  131 CN2009102262421 A method and system for realizing multi-carrier high-speed downlink packet access space division multiplexing

  132 CN2009102272527 Molecular sieve adsorbent for oxygen production by pressure swing adsorption air separation and preparation method thereof

  133 CN2009101853072 Variable load operation method of external compression sieve plate tower air separation device

  134 CN2009101874670 Cold start method of air separation equipment

  135 CN2009100920826 Coding method, device and system based on space division multiplexing in cooperative MIMO communication

  136 CN2009100905582 Method and device for grouping space division multiple access users

  137 CN2012105322271 Method and device for grouping space division multiple access users

  138 CN2009101021502 Method for preventing and controlling nitrogen plug in argon production system of air separation plant

  139 CN2009100912938 Static service and dynamic service space division multiplexing method, system and device

  140 CN2009100902781 Space division multiplexing uplink shared channel signal detection method

  141 CN2009100898517 A precoding matrix selection method and system applied to space division multiplexing

  142 CN2009100898095 Multi-user air separation judgment method and equipment

  143 CN2009101007115 Low-cost pressure swing adsorption air separation process technology and applied pressure swing adsorption air separation equipment

  144 CN2009100892328 Method for controlling access characteristics of space division multiplexing and wireless network controller

  145 CN2009101477835 Reference signal and data superimposition method and equipment based on space division multiple access

  146 CN2009102032701 Space division multiple access relay transmission method, device and system

  147 CN2009102032699 An optimization method, device and system for space division multiple access

  148 CN2009100829752 Space division multiple access resource scheduling method and communication equipment

  149 CN2009801170007 Method and device for determining spatial channel in wireless communication system based on space division multiple access (SDMA)

  150 CN2009801237685 Space division multiple access transmission indication method and base station

  151 CN2009100780534 Space division multiple access method and equipment for indoor distributed system

  152 CN2009100780252 Method and device for realizing space division and time division crossover

  153 CN2009100778801 Space division multiplexing method of shared channel in multi-channel HSUPA system

  154 CN2009100768551 Space division multiplexing method of shared channel in multi-channel HSDPA system

  155 CN2009101108370 Ultra-low pressure single-tower deep-cooling air separation process

  156 CN2008102470491 Space division multiplexing and multiple input multiple output combination method and base station

  157 CN2008102315655 Double-layer main cold air separation device

  158 CN2008102417875 Method and system for distributing training sequence in space division multiple access system

  159 CN2008102030256 Space division multiple access system based on limited feedback method and device

  160 CN2008102004069 Molecular sieve compression device of adsorption tower of pressure swing adsorption air separation equipment

  161 CN2008102160917 A high-speed downlink packet access system space division multiplexing application method

  162 CN2008102160921 Space division multiple access method for high-speed downlink packet access system

  163 CN2008801031777 Method and device for carrier power and interference noise estimation in space division multiple access and multiple input/multiple output wireless communication systems

  164 CN2008101368246 Space division multiplexing Mach-Zehnder cascade optical fiber interferometer and measurement method

  165 CN2008101368284 Oil pumping well through annulus stratified production pipe string tool and production method thereof

  166 CN2008800247755 Providing space division multiple access in wireless network

  167 CN2008100169404 Distributed GNSS space division encryption communication method

  168 CN2008100382068 Space division multiple access system based on z* optimal quantization error codebook method and device

  169 CN2008101016849 Code division reservation and space division reading method of active radio frequency tag

  170 CN2008100523653 An anti-collision radio frequency identification method based on space division multiple access

  171 CN2008100077101 Downlink multi-user joint space division multiplexing signal sending and receiving method

  172 CN2008100075549 Base station cooperative dynamic code division space division multiple access communication method and equipment

  173 CN2008100593995 Method for assembling cold box of fractionating tower of medium-sized air separation equipment

  174 CN2008100324240 MIMO space division multiplexing system based on MMSE criterion transmitting end optimization method and device

  175 CN2007103021156 Method, system and device for improving throughput performance of space division multiple access system

  176 CN2007101991389 Low-complexity virtual MIMO-OFDM space division multiple access technology

  177 CN2007100475547 Visible light space division multiple access multiplex communication system

  178 CN2007101241857 A channel quality indicator adjustment method for space division multiple access mode conversion

   179 CN2007101241429 A method for realizing space division multiple access in TD-SCDMA indoor distribution system   180 CN2007101241397 Space division multiple access protection method for cell edge users of HSDPA system

  181 CN2007101760844 Air separation oxygen delivery system and method using gas tank technology to reduce pressure and save energy

  182 CN2007101240746 Downlink space division multiple access mode judgment method of time division duplex system

  183 CN2007800377839 Space division multiple access channelization in wireless communication system

  184 CN2007101436198 Scheduling method and system for space division multiple access system

  185 CN2007101375654 Space division multiplexing and code division multiplexing adaptive switching method

  186 CN2007101299542 Method and equipment for dynamically distributing spread spectrum code words in space division code division hybrid multiple access communication

  187 CN2007101187871 A method, device and wireless communication system for spatial division multiple access resource scheduling

  188 CN200710117970X A method and device for realizing resource allocation of space division multiple access communication system

  189 CN2007800243533 Management of empty packets for packet replacement during wireless data packet distribution

  190 CN2006101554861 ​​General model control system and method of air separation tower

  191 CN2007100210279 Multi-input multi-output antenna system space division multiplexing z* large likelihood simplified detection method

  192 CN2007100645035 A method and device for realizing space division multiplexing

  193 CN200710000935X Method for realizing space division multiple access transmission to multiple users in wireless communication system

  194 CN200710034223X A magnetic air separation oxygen enrichment device

  195 CN2006101703122 Uplink multi-user space division multiplexing method in OFDMA system

  196 CN2006101554857 Generalized predictive control system and method of air separation tower

  197 CN2006101554876 Dynamic matrix control system and method of air separation tower

  198 CN2006100635043 Spatial division multiple access codebook construction method and scheduling method

  199 CN2006101372774 Spatial division multiple access codebook construction method and scheduling method

  200 CN200610053329X Energy-saving air separation device

  201 CN2006800398756 Transmission mode selection, precoding and space division multiple access support

  202 CN2006101044661 Small natural gas liquefaction device using air separation refrigeration system

  203 CN2006101018760 A cellular network based on a repeater and a space division duplex communication method

  204 CN2006100926138 Method, device and system for realizing space division multiple access resource assignment

  205 CN2006800280237 User separation in space division multiple access for multi-carrier communication system

  206 CN2010105744005 User separation in space division multiple access for multi-carrier communication system

  207 CN200610035725X Space division multiple access visible light wireless access system

  208 CN2006100762852 A high-speed air separation cycle selection circuit and its realization method

  209 CN2006800120191 High-rate packet data space division multiple access (SDMA)

  210 CN2006100569380 Multi-fiber air division switching structure and method for improving core node switching capacity

  211 CN2006800029554 Apparatus and method for downlink scheduling in orthogonal frequency division multiple access wireless network with space division multiple access function

  212 CN200510091800X Method and equipment for obtaining gaseous pressure products through low temperature air separation

  213 CN2005800492522 Pre-filtered space division multiple access transmission and reception method, system and pre-filter used

  214 CN2005800000763 Space division multiplexing for MIMO equipment

  215 CN2005100540640 Air separation and rectification process and air separation device

  216 CN2005100423346 Ceramic hollow fiber membrane reactor for oxygen production by air separation and preparation method and application thereof

  217 CN2004800387254 Wireless access point using space division multiple access (SDMA) to communicate with multiple mobile stations simultaneously

  218 CN2004101009029 Space division switching equipment and cell switching method

  219 CN2004100812814 Pressure swing adsorption air separation nitrogen production method

  220 CN2004100812829 Pressure swing adsorption air separation nitrogen production method

  221 CN200710149688X Method for allocating channels based on space division multiplexing in orthogonal frequency division multiplexing system

  222 CN2004100758631 Method for allocating channels based on space division multiplexing in orthogonal frequency division multiplexing system

  223 CN2011100643159 Space division multiple access multi-antenna transmission

  224 CN2014105734980 Space division multiple access multi-antenna transmission

  225 CN2004800407101 Space Division Multiple Access Multi-antenna Transmission

  226 CN2004800158062 Space division multiplexing wireless communication system, equipment and method

  227 CN2004100787206 Method and system for optimizing argon recovery z* in air separation unit

  228 CN2004100094325 A method for improving frequency band utilization rate by using space division characteristics of array

  229 CN2004100204965 Space division multiplexing decoupling method for realizing piezoelectric self-sensing actuator

  230 CN2004100390564 A method for preparing high-purity oxygen by using a full low pressure air separation device

  231 CN200380109795X Detection and correction of channel exchange in space division multiple access system

  232 CN03803915X Optimized energy generation system including oxy-fuel burner combined with air separation unit

  233 CN021117926 Air separation product energy consumption apportionment ratio calculation method

  234 CN021005931 Method for recovering vented oxygen, nitrogen and air in air separation unit

  235 CN018181783 Method and equipment for space division multiple access receiver

  236 CN001148613 Air separation epidemic prevention environmental protection rabbit house

  237 CN001064460