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

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