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Catalyst used for preparing ethyl alcohol through acetic acid hydrogenation and preparation methods thereof
ActiveCN104001526ASolve excess capacityMild reaction conditionsOrganic compound preparationHydroxy compound preparationAlcohol ethylCombinatorial chemistry
The invention discloses a catalyst used for preparing ethyl alcohol through acetic acid hydrogenation, wherein the catalyst is low in active component content. The catalyst comprises an active component, a first addition agent, a second addition agent, a third addition agent, a fourth addition agent and a carrier. Based on the mass percent, accounting for the catalyst, of the active component, the ratio of the active component to the four addition agents is 0.1-0.5:5-15:1-5:0.5-2:0.5-2, and the balance is the carrier. The invention further discloses two new preparation methods for the hydrogenation catalyst. The load of the catalyst active component is very low, the reaction conditions of the catalyst are mild, the acetic acid conversion rate and the ethyl alcohol selectivity can reach up to over 98% basically, and the preparation methods are suitable for industrialization and widely used for preparing the ethyl alcohol through acetic acid hydrogenation, and the problem of excess production capacity of acetic acid is solved.
Owner:SOUTHWEST RES & DESIGN INST OF CHEM IND
High-temperature activated potash feldspar, and preparation method thereof
InactiveCN107098735ATake advantage ofSolve excess capacityOrganic fertilisersSoil conditioning compositionsRare earthReaction temperature
The invention relates to a method used for high temperature activation of potash feldspar, and belongs to the technical field of chemical engineering, environment protection, and agriculture. According to the method, potash feldspar, anhydrous calcium chloride, and an auxiliary agent are mixed at a certain mass ratio, an obtained mixture is smashed, is mixed to be uniform, and is subjected to high temperature calcining in a kiln so as to realize high temperature activation of potash feldspar. Potash feldspar is rare earth ore associated potassium-enriched ore, hydrochloric acid is prepared from side product liquid chlorine of the chlor-alkali industry. Reaction temperature is low, energy consumption is low, yield is high, an obtained activated product contains a large amount of elements such as potassium, silicon, and calcium, and is capable of promoting growth of crops, and a novel method is provided for solving a difficult problem of scarcity of water-soluble potassium resources in our country.
Owner:包头市盐湖镁钾有限公司
Air conditioner
ActiveCN101495816ASolve performance deficienciesOvercapacityMechanical apparatusSpace heating and ventilation safety systemsRoom temperatureEngineering
An air conditioner capable of always exhibiting necessary heating capacity by using a supercritical coolant. In a heating mode, the air conditioner (1) allows an indoor heat exchanger (16) to dissipate heat from the supercritical coolant to the air. A control unit (4) maintains the high-pressure side pressure of the cooling cycle including the indoor heat exchanger (16) constantly. The controller (4) allows an outlet temperature sensor (41) to detect the coolant outlet temperature Tgc of the indoor heat exchanger (16) and a room temperature sensor (42) to detect the room temperature Ta. The controller (4) increases / decreases the target value of the high-pressure side pressure when it judges that the capacity is insufficient in view of the room temperature Ta of the room to be heated even if the coolant outlet temperature Tgc of the indoor heat exchanger (16) in the heating mode reaches the target value Tgcs.
Owner:DAIKIN IND LTD
Method for innocent treatment of secondary aluminum ash by weakly alkaline water washing
PendingCN114671636AImprove solubilitySatisfy the needs of dissolutionSolid waste managementAmmonia preparation/separationChemical treatmentAlkaline water
The invention discloses a secondary aluminum ash alkalescent washing harmless treatment method, belongs to the technical field of aluminum ash treatment, and adopts a technical method for hydrolyzing aluminum nitride in a high-temperature water bath heating environment by doping an alkalescent catalyst. According to the method, the problems that in the harmless treatment process of the secondary aluminum ash, a traditional chemical treatment method is difficult to separate, high in manufacturing cost, prone to generating secondary hazardous waste, very difficult to apply to concrete mineral admixtures and the like are solved, aluminum nitride in the secondary aluminum ash can be remarkably removed, and the volatilization toxicity of the secondary aluminum ash is effectively reduced.
Owner:UNIV OF JINAN
AC-AC frequency-conversion wind power generating system for semi-direct driving sub-intermediate speed cage type rotor
InactiveCN101710720ASimple structureThe system is stable and reliableSingle network parallel feeding arrangementsReactive power adjustment/elimination/compensationAc frequencyCapacitance
The invention relates to an AC-AC frequency-conversion wind power generating system for a semi-direct driving sub-intermediate speed cage type rotor, comprising n subsystems which have same structures and comprise cage type rotor asynchronous generator units, three-phase AC-AC current transformers, Y edge-extending connecting boosting transformers, adjustable self-excitation capacitor banks and uniform time standard unit controllers, wherein the cage type rotor asynchronous generator units are respectively connected with the three-phase AC-AC current transformers and the adjustable self-excitation capacitor banks; the three-phase AC-AC current transformers are connected with the Y edge-extending connecting boosting transformers; the output ends of the uniform time standard unit controllers are respectively connected with the three-phase AC-AC current transformers and the input ends of the adjustable self-excitation capacitor banks; and n uniform time standard unit controllers are mutually connected through an uniform time standard optical-fiber network, wherein n is a natural number. The invention reduces the fault rate and has low cost, simple structure, reduced wind power cost and enhanced stability and machine set utility ratio.
Owner:SOUTHEAST UNIV
Method of adopting phosphorus fertilizer product for ultrasonic spraying to prepare multi-position collaborative doped LiFePO4/C
ActiveCN105870432ASolve excess capacityLow raw material costCell electrodesSecondary cellsLithium iron phosphateSource material
The invention belongs to the technical field of electrochemical power source materials and discloses a method of adopting phosphorus fertilizer product for ultrasonic spraying to prepare multi-position collaborative doped LiFePO4 / C. Raw materials of the multibit collaborative doped LiFePO4 / C are from the phosphorus fertilizer product and byproducts and include Li, P, Fe, doped element cations K, Na, Ca and Mg and anions S and F. The multibit collaborative doped lithium iron phosphate material is marked as Li1-alpha X alpha Fe1-beta Y beta PO4-gamma Z gamma / C, X refers to lithium position doping, Y refers to iron position doping, Z refers to oxygen position doping, 0< / =alpha< / =0.05, 0< / =beta< / =0.05, and 0< / =gamma< / =2. Collaborative doping of lithium position, iron position and oxygen position is realized, and doping amount is adjustable; compared with single doping, doping materials are extensive in source, and the material is better in performance. The multi-position collaborative doped LiFePO4 / C material is uniform in grain diameter and excellent in electrochemical performance.
Owner:宜春鑫合锂电材料有限公司
Preparation method of platinum tin silicon dioxide catalyst for hydrogenation production of ethyl alcohol using acetic acid
ActiveCN105854877AHigh activity and selectivityGood stabilityMetal/metal-oxides/metal-hydroxide catalystsIon exchangeAmmonium hydroxide
The invention relates to a preparation method of a platinum tin silicon dioxide catalyst for hydrogenation production of ethyl alcohol using acetic acid. The preparation method comprises the following steps: dissolving tin-containing salt and ethyl orthosilicate in ethyl alcohol and dropwise adding deionized water while stirring, thereby acquiring a SnOx-SiO2 compound oxide; adding an ammonia solution, and then adding a platinammine-containing aqueous solution; grinding the acquired solid into powder and forming, thereby acquiring the platinum tin silicon dioxide catalyst for the hydrogenation production of ethyl alcohol using acetic acid. According to the invention, a sol-gel method and an ion exchange method are combined for modifying the loading mode of Pt and Sn, the dispersity of Pt and Sn and the interaction degree of Pt and Sn are promoted, the PtSn catalyst with excellent performance is acquired and the efficiency of hydrogenation production of ethyl alcohol using acetic acid is increased. Compared with the catalyst used in the existing technique of hydrogenation production of ethyl alcohol using acetic acid, the catalyst provided by the invention can realize high conversion of acetic acid under a mild reaction condition; the conversion rate of acetic acid can reach 99% or more; the selectivity of ethyl alcohol can reach 95%.
Owner:TIANJIN UNIV
Tea leaf caramel color preparation method
ActiveCN105053304AFull of nutritionPure natural black colorPre-extraction tea treatmentBiotechnologyAspergillus sojae
The present invention discloses a tea leaf caramel color preparation method which comprises the following steps: 1) firstly picked fresh tea leaves are rinsed, cooked at a high temperature of 100-120 DEG for 3-5 minutes, cooled to room temperature, and subjected to a sealed fermentation; 2) flour is added with aspergillus sojae, the mixture is stirred evenly, the firstly fermented tea leaves obtained in the step 1 is fully stirred evenly with the flour, the mixture is fermented in the shade until the mixture is completely black and has a soy sauce fragrant taste, and the fermentation is completed. The advantages of the caramel colored tea leaves are that the tea leaves have pure and natural caramel colors, and are rich in nutrients.
Owner:李镇阔
High-energy carbon alcohol clean fuel slurry and preparation method thereof
ActiveCN104371778ALow viscosityImprove liquidityLiquid carbonaceous fuelsPtru catalystIron ore sintering
The invention provides high-energy carbon alcohol clean fuel slurry and a preparation method thereof. The clean fuel is prepared from the following components in percentage by weight: 45-63 percent of pulverized coal which is over 300mesh and 37-55 percent of methanol, as well as, by total weight of the pulverized coal and methanol, 1-2 percent of a stabilizing agent, 1-3 percent of a dispersing agent, 0.1-0.3 percent of micron-metal powder, 0.1-0.2 percent of a catalyst, 0.5-1 percent of a desulfurizing agent, and a pH regulator which is used for regulating the pH value to 6.5-7.5. The clean fuel has the advantages of high combustion rate, high heat value, low cost and small emission of sulfur dioxide and nitrogen oxide, and can be widely applied to various boilers, diesel engines, gas turbines, tunnel type ceramic firing kilns, refractory brick down-draft kilns, hot-blast stoves of ceramic spray drying towers, rotary cement kilns, iron ore sintering machines and the like.
Owner:ZHONGLAN ENERGY SHENZHEN CO LTD
A data service cloud platform based on RFID electronic tag
ActiveCN109214476AAvoid overcapacityLow costData processing applicationsCo-operative working arrangementsService modeService experience
The invention discloses a data service cloud platform based on RFID electronic tag, including several regional data service centers, several small data service terminals, a number of electronic tags users, a number of label consumables providers and a central data service cloud platform, an RFID tag initialization data is uploaded to a central data service cloud platform by a user, a tag consumable provider receives electronic tag initialization data and distributes data service tasks on a central data service cloud platform, the central data service cloud platform uploads the received initialization data to a regional data service center or a small data service terminal, and the regional data service center or the small data service terminal performs an electronic tag printing operation.The invention provides a one-stop service experience for users and creates a global or regional cloud service platform, thereby directly connecting the customers who manufacture label carrier productswith the users by changing the data service mode, and reducing the service cost.
Owner:NANNING XINGESHAN ELECTRONICS TECH
Model coal raw material for increasing quality of low-rank coal of tamping coke oven
ActiveCN104327871ASolve application limitationsSolve excess capacitySolid fuelsSpecial form destructive distillationIndustrial equipmentProcess engineering
The invention provides a model coal raw material for increasing quality of low-rank coal of a tamping coke oven. The model coal raw material comprises a low-rank model coal layer formed by low-rank coal and an auxiliary agent. The auxiliary agent is an organic binder with weightlessness being less than 50% under destructive distillation isolated from the air at 850 DEG C. The model coal raw material also comprises a non-low-rank model coal layer formed by one or more selected from medium-rank coal, high-rank coal or medium / high-rank coal. By mass, the addition amount of the low-rank coal is 50-80 wt% of mass of the model coal raw material. By using the raw material as the model coal raw material for increasing quality of low-rank coal of the tamping coke oven, the problem that present tamping coke ovens have low availability and excess capacity exists in the coking industry is solved, and the problem that application of low-rank coal is limited because there is no large-scale industrial equipment is also solved. After the auxiliary agent is mixed with low-rank coal, active ingredients in the auxiliary agent are beneficial to degradation of high-molecular polymers in the low-rank coal at high temperature and fracture of macromolecules in the low-rank coal. Thus, output of oil gas is raised during the technological process.
Owner:BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
Method for producing glycerol triacetate by using glycerinum as by-product of biodiesel
ActiveCN107032999AGenerate efficientlyReduce manufacturing costOrganic compound preparationCarboxylic acid esters preparationBenzeneAcetic anhydride
The invention provides a method for producing glycerol triacetate by using glycerinum as a by-product of biodiesel. The method comprises the following steps: carrying out transesterification on the glycerinum as the by-product of the biodiesel, an acid catalyst and an organic benzenes water-carrying agent in a reactive distillation column; extracting water generated by reaction from the top of the column; collecting coarse glycerol triacetate from a column reactor; and distilling the coarse glycerol triacetate in the reactive distillation column under reduced pressure to obtain the glycerol triacetate. According to the method, the glycerinum as the by-product of the biodiesel is used as the raw materials to produce the glycerol triacetate, monoglyceride and 1,3-diglyceride can be converted into the glycerol triacetate without use of acetic anhydride, the obtained glycerol triacetate has high yield and purity, the production cost of the glycerol triacetate is reduced, waste acids are reduced, meanwhile, the glycerinum as the by-product of the biodiesel is utilized effectively, and therefore, the problem of excess production capacity of pure glycerinum is solved.
Owner:SHANDONG YANHAI CONSTR RESOURCES
Technical method and equipment for co-production of hexamethylene tetramine from tripolycyanamide tail gas
PendingCN107827896AEffective processing and utilizationSolve excess capacityOrganic chemistryTetramineProcess engineering
The invention relates to a technical method and equipment for co-production of hexamethylene tetramine from tripolycyanamide tail gas, and belongs to the technical field of chemical production. To solve the problems that the conventional relevant products to tripolycyanamide tail gas utilization are excess in production capacity and sluggish in market, the technical method and equipment for co-production of hexamethylene tetramine through tripolycyanamide tail gas are provided; the technical scheme comprises the following steps: step one, tail gas storage; step two: heat preservation conveying; step three: preliminary removal of impurities; step four: secondary removal of impurities; step five: ammonolysis reaction; step six: performing crystallization to form products. The method is applied to the co-production of a novel product hexamethylene tetramine from tripolycyanamide tail gas.
Owner:SHANXI YANGMEI FENGXI FERTILIZER IND GRPCO
Carbon circulating system and method based on ammonia-process decarburization and electrocatalytic reduction utilization
InactiveCN110026071AImprove capture efficiencySolve application problemsGas treatmentWater contaminantsCo2 removalLow load
The invention discloses a carbon circulating system and method based on ammonia-process decarburization and electrocatalytic reduction utilization, and belongs to the technical field of green energy application. The invention aims to solve the problems of capture, utilization, conversion and storage of carbon dioxide. The system comprises an ammonia-process decarburization system, an electrocatalytic reduction system, a clean energy recovery system and a remelting regulation and control system. Flue gas at the tail end of a boiler of a thermal power generating unit is introduced into the ammonia-process decarburization system for CO2 removal, generated ammonium bicarbonate crystals and carbonized liquid are catalytically reduced through the electrocatalytic reduction system to generate clean energy sources such as CO and formic acid after treatement; after recovered and treated by the clean energy recovery system, the clean energy is used for remelting regulation and control and for providing chemical industrial raw materials; and when the thermal power generating unit is in high-load operation, the remelting regulation and control system provides clean energy to enter a furnace, and when the thermal power generating unit is in low-load operation, excess electric energy is provided for the electrocatalytic reduction system. According to the invention, the problem of excessive production capacity caused by clean energy grid connection in a power plant is solved, and an effective carbon circulation system can be formed. The method can be applied to various thermal power generating units.
Owner:HARBIN INST OF TECH
A method of preparing multi-site synergistically doped lifepo4/c by ultrasonic spraying of phosphate fertilizer products
ActiveCN105870432BSolve excess capacityLow raw material costCell electrodesSecondary cellsLithium iron phosphateSource material
The invention belongs to the technical field of electrochemical power source materials and discloses a method of adopting phosphorus fertilizer product for ultrasonic spraying to prepare multi-position collaborative doped LiFePO4 / C. Raw materials of the multibit collaborative doped LiFePO4 / C are from the phosphorus fertilizer product and byproducts and include Li, P, Fe, doped element cations K, Na, Ca and Mg and anions S and F. The multibit collaborative doped lithium iron phosphate material is marked as Li1-alpha X alpha Fe1-beta Y beta PO4-gamma Z gamma / C, X refers to lithium position doping, Y refers to iron position doping, Z refers to oxygen position doping, 0< / =alpha< / =0.05, 0< / =beta< / =0.05, and 0< / =gamma< / =2. Collaborative doping of lithium position, iron position and oxygen position is realized, and doping amount is adjustable; compared with single doping, doping materials are extensive in source, and the material is better in performance. The multi-position collaborative doped LiFePO4 / C material is uniform in grain diameter and excellent in electrochemical performance.
Owner:宜春鑫合锂电材料有限公司
Management system construction method
The invention discloses a management system construction method. The method comprises the steps that: a user right of a management system server is divided into a plurality of grades; a low-grade user uses a corresponding partition in a database of the management system server through a management right distributed by a high-grade user; the user issues data into the corresponding partition in the database of the management system server according to the self management right; the management system server performs background integration on data collected in the database and classifies the data according to industries and regions that the data belong to; and the management system server summarizes the collected data and issues the data to the internet for the public to look up. According to the method, the right of the user is graded and the data issued by the user are classified; and internet information resources are integrated for the user to issue and search industrial information, so that the high-grade user supervises production and use states of the low-grade user under the jurisdiction of the high-grade user, regional industrial resource configuration can be optimized, and excess production capacity is prevented.
Owner:SUZHOU AOYI NETWORK INFORMATION
An en masse conveyer capable of half load operation
The utility model relates to port machinery technical field, concretely relates to a kind of half load operation's buried scraper conveyor, the conveying space formed in the middle section of fuselage is separated into two independent conveying channels of left and right side by vertical partition, each conveying channel is equipped with independent scraper chain assembly, feed hopper is arranged on fuselage, two feed channels are formed in feed hopper, two feed channels are communicated with corresponding conveying channel respectively, the top end of feed hopper is formed with feed pipe communicated with two feed channels, flap is arranged in feed pipe, when flap rotates to two limit positions of left and right side, corresponding side feed channel is blocked, when flap rotates to middle position, two feed channels and feed pipe are all in communication state, discharge hopper is arranged in head end, two discharge channels are formed in discharge hopper, two discharge channels are communicated with corresponding conveying channel respectively.The technical problem that power waste exists in buried scraper conveyor and cooperation with rear end loading vehicle team is not good in prior art is solved.
Owner:JIANGSU GUOLIANG STORAGE ENG CO LTD
Shared cold chain infrastructure operation method
PendingCN111724103ASolve the loss of agricultural productsReduce wasteApparatus for meter-controlled dispensingResourcesOrder systemProcess engineering
The invention discloses a shared cold chain infrastructure operation method, which comprises the following steps of: firstly, constructing a shared refrigeration house and a shared refrigerator in each level of market, and simultaneously setting a central kitchen in each level of market; setting a fresh food refrigeration parameter database of the shared refrigeration house and the shared refrigerator, and associating the fresh food refrigeration parameter database with a network order system of the e-commerce platform; setting an order mode and a lease mode in the shared refrigeration house and the shared refrigerator; in the order mode, performing ordering on the e-commerce platform by a consumer, directly transporting the fresh food from the superior shared refrigeration house or the shared refrigerator to the subordinate shared refrigeration house or the shared refrigerator, then extracting the purchased fresh food by the consumer according to order information, and the order information can also be sent to the central kitchen for secondary processing and then extracted; in the leasing mode, leasing the shared refrigeration house or the shared refrigerator by the consumer according to needs, and placing fresh food in the shared refrigeration house or the shared refrigerator to be stored; wherein the e-commerce platform and merchants can also use the rented shared refrigerators or shared refrigerators for selling fresh food.
Owner:中外运冷链物流有限公司
A kind of reactive distillation prepares mtbe and its wastewater treatment method
ActiveCN108129274BSolve excess capacityCheap sourceEther separation/purificationChemical industryPtru catalystMethanol
The invention discloses a method for preparing MTBE by reactive distillation and its wastewater treatment method. Using tert-butanol and methanol as etherification raw materials, wherein tert-butanol comes from co-oxidation to produce propylene oxide by-product; the traditional reactive distillation column including the reaction section and rectification section is split into two parts, and the reaction section is divided into two parts. The form of the side reactor is mounted outside the rectification tower, and multiple side reactors can be used to ensure the conversion rate of raw materials; the generated etherification wastewater is extracted and rectified to realize the removal of impurities and the circulation of the extractant. The problem of device shutdown caused by frequent catalyst replacement is solved and the conversion rate of TBA is improved. By means of reactive distillation and extraction, the content of organic matter in wastewater is reduced, so that wastewater can meet the water quality requirements of biochemical treatment.
Owner:WANHUA CHEM GRP CO LTD
A kind of super amphiphilic polyurethane foam material and preparation method thereof
ActiveCN107674236BImprove adsorption capacityImprove mechanical stabilityCoatingsPolymer scienceGraphite
The invention discloses a super-amphiphilic polyurethane foamed material and a preparation method thereof, and belongs to the technical field of functional composite materials. Polyurethane sponge surface is coated with nano-cellulose and graphene powder dispersions respectively in order by a dip coating method to obtain a nano-cellulose and graphene synergistic super-amphiphilic surface capable of rapidly adsorbing water and oil. The contact angles of the super-amphiphilic polyurethane foamed material prepared by the method with water and oil both are zero. The nano-cellulose and graphene synergistic super-amphiphilic surface provides a basis for development of new materials with special wetting properties and application of the new materials.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Method for preparing vinyl ether by using ethylene glycol as raw material
PendingCN121974786Acraft greenprocess safetyMolecular sieve catalystsEther separation/purificationVinyl etherPtru catalyst
The invention discloses a method for preparing vinyl ether by taking ethylene glycol as a raw material. According to the method, industrial raw materials including ethylene glycol and alkyl alcohol which are low in price are adopted, a solid acid catalyst and a solid base catalyst are used for catalyzing an etherification reaction and a cracking reaction respectively, and therefore the vinyl ether product with the high additional value is prepared. The method is good in economic benefit, and the technology and the device are high in universality; a green reaction process is adopted, the process is safe and environment-friendly, and the device can be large-scale; the cracking byproduct alcohol is recycled as an etherification reaction raw material, the raw material utilization rate is high, and energy utilization is reasonable.
Owner:SHANGHAI NORMAL UNIVERSITY +1
Preparation method of platinum tin silica catalyst for hydrogenation of acetic acid to produce ethanol
ActiveCN105854877BImprove stabilityImprove performanceMetal/metal-oxides/metal-hydroxide catalystsDispersityIon exchange
Owner:TIANJIN UNIV
A kind of coproduction method of caustic soda and ferric orthophosphate
ActiveCN112853375BAvoid generatingSolve excess capacityElectrolysis componentsPhosphorus compoundsElectrolytic agentO-Phosphoric Acid
The invention belongs to the technical field of electrolysis, and in particular relates to a co-production method of caustic soda and ferric orthophosphate. The co-production method of the present invention comprises: preparing NaOH and ferric ions by electrolytic method, using cation exchange membrane and / or microporous membrane as the separation membrane of cathode and anode, the aqueous solution containing sodium ion as catholyte, containing ferrous ion and An aqueous solution of sodium ions is used as an anolyte; ferric orthophosphate is prepared by a chemical precipitation method; a solution of ferric iron ions is used as a raw material, and an aqueous solution containing phosphate ions is added as a precipitating agent to generate ferric orthophosphate. Compared with the traditional chlor-alkali process, the present invention has the following advantages: 1. The caustic soda process can avoid the generation of chlorine gas and overcome the overcapacity of chlorine gas caused by caustic soda production; 2+ The oxidation potential (0.771V vs SHE) is much lower than that of chloride ion (1.36V vs SHE), so energy consumption can be reduced; the produced FePO 4 It can be used to prepare lithium-ion or sodium-ion battery electrode materials.
Owner:FUDAN UNIV
A data service cloud platform based on rfid electronic tags
ActiveCN109214476BImprove protectionReach the insured consignment modelData processing applicationsCo-operative working arrangementsComputer networkService experience
The invention discloses a data service cloud platform based on RFID electronic tags, including several regional data service centers, several small data service terminals, several electronic tag users, several tag consumable providers and a central data service cloud Platform, electronic label users upload RFID electronic label initialization data to the central data service cloud platform, label consumables providers receive electronic label initialization data and distribute data service tasks on the central data service cloud platform, and the central data service cloud platform will receive After the initial data is uploaded to the regional data service center or small data service terminal, the regional data service center or small data service terminal executes the electronic label printing operation. The invention provides users with a one-stop service experience and builds a global or regional cloud service platform, thereby directly connecting customers who manufacture label carrier products with users by changing the data service mode, thereby reducing service costs.
Owner:NANNING XINGESHAN ELECTRONICS TECH
A kind of briquette raw material suitable for upgrading low-rank coal in tamping coke oven
ActiveCN104327871BSolve application limitationsSolve excess capacitySolid fuelsSpecial form destructive distillationWeightlessnessIndustrial equipment
The invention provides a model coal raw material for increasing quality of low-rank coal of a tamping coke oven. The model coal raw material comprises a low-rank model coal layer formed by low-rank coal and an auxiliary agent. The auxiliary agent is an organic binder with weightlessness being less than 50% under destructive distillation isolated from the air at 850 DEG C. The model coal raw material also comprises a non-low-rank model coal layer formed by one or more selected from medium-rank coal, high-rank coal or medium / high-rank coal. By mass, the addition amount of the low-rank coal is 50-80 wt% of mass of the model coal raw material. By using the raw material as the model coal raw material for increasing quality of low-rank coal of the tamping coke oven, the problem that present tamping coke ovens have low availability and excess capacity exists in the coking industry is solved, and the problem that application of low-rank coal is limited because there is no large-scale industrial equipment is also solved. After the auxiliary agent is mixed with low-rank coal, active ingredients in the auxiliary agent are beneficial to degradation of high-molecular polymers in the low-rank coal at high temperature and fracture of macromolecules in the low-rank coal. Thus, output of oil gas is raised during the technological process.
Owner:BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
Air conditioner
ActiveCN101495816BSolve performance deficienciesOvercapacityMechanical apparatusSpace heating and ventilation safety systemsRoom temperatureEngineering
An air conditioner capable of always exhibiting necessary heating capacity by using a supercritical coolant. In a heating mode, the air conditioner (1) allows an indoor heat exchanger (16) to dissipate heat from the supercritical coolant to the air. A control unit (4) maintains the high-pressure side pressure of the cooling cycle including the indoor heat exchanger (16) constantly. The controller(4) allows an outlet temperature sensor (41) to detect the coolant outlet temperature Tgc of the indoor heat exchanger (16) and a room temperature sensor (42) to detect the room temperature Ta. The controller (4) increases / decreases the target value of the high-pressure side pressure when it judges that the capacity is insufficient in view of the room temperature Ta of the room to be heated even if the coolant outlet temperature Tgc of the indoor heat exchanger (16) in the heating mode reaches the target value Tgcs.
Owner:DAIKIN IND LTD
A water intelligent parking boat
InactiveCN106542055BSolve excess capacityAlleviate parking difficultiesCargo handling apparatusAccommodation for deck loadsMooring systemFreeboard
The invention discloses an overwater intelligent parking ship which comprises a ship body, wherein the ship body comprises a two-bottom ballast tank, as well as No.1-No.11 deck layers successively disposed on the two-bottom ballast tank, wherein multiple rows of parking spaces, upper slopes for upward car motion to the adjacent upper deck layers, as well as lower slopes for downward car motion to the adjacent lower deck layers are disposed on the No.1-No.10 deck layers; the No.11 deck layer is an opened deck; multiple gangways for getting-on / getting-off are disposed on the side of the No.1 deck layer close to a shoreside; decks for car getting-on / getting-off are installed on the gangways for the getting-on / getting-off and the shoreside top face, and a side ballast tank is disposed under a freeboard deck of the ship body; mooring systems are disposed on the head part and the tail part of the freeboard deck; staff rooms and a photovoltaic electric room are disposed on the No.11 deck layer; and multiple sets of elevators and toilets are disposed between the No.1 deck layer and the No.11 deck layer. The overwater intelligent parking ship disclosed by the invention is characterized in that a parking function is extended from lands to sea, so that a bottleneck problem in urban parking land supply can be solved.
Owner:福建十八重工股份有限公司 +1
A method for preparing 2-(4-carbamoylmethyl-phenyl)-acetamide by amidation of diacetophenone
ActiveCN107805209BSolve excess capacitySimple processOrganic compound preparationCarboxylic acid amides preparationBenzeneReaction temperature
Owner:SINOPEC YANGZI PETROCHEM +1
Catalyst and preparation method for hydrogenation of acetic acid to ethanol
ActiveCN104001526BSolve excess capacityMild reaction conditionsOrganic compound preparationHydroxy compound preparationAcetic acidPtru catalyst
The invention discloses a catalyst containing very low content of active components for the hydrogenation of acetic acid to produce ethanol, comprising active components, a first auxiliary agent, a second auxiliary agent, a third auxiliary agent, a fourth auxiliary agent and The carrier, based on the mass percentage of the catalyst, the ratio between the active component and the content of the four additives is 0.1-0.5:5-15:1-5:0.5-2:0.5-2, and the balance is the carrier. The invention also discloses two new preparation methods for the above-mentioned hydrogenation catalyst. The loading capacity of the active components of the catalyst provided by the invention is extremely low, while the reaction conditions of the catalyst are mild, and the conversion rate of acetic acid and the selectivity of ethanol can basically reach more than 98%, which is suitable for industrialization and is widely used in the hydrogenation of acetic acid to produce ethanol, and solves the problem of acetic acid production capacity surplus problem.
Owner:SOUTHWEST RES & DESIGN INST OF CHEM IND
Production increasing technology of dimethyl carbonate
InactiveCN106966904AEfficient use ofSolve excess capacityOrganic compound preparationPreparation by halogen halide additionAlcoholEthyl Chloride
The invention provides a production increasing technology of dimethyl carbonate, which increases the production of dimethyl carbonate through chlorine and methyl alcohol. The technology basically comprises the following steps: incomplete chloro compounds produced by depth chloro during production of dimethyl carbonate are reacted with methyl alcohol, and dimethyl carbonate is further produced, so that the production increasing of dimethyl carbonate is realized. According to the technology, the production increasing of dimethyl carbonate is realized through chlorine and dimethyl carbonate, and the problems that chlorine in a chlor-alkali plant is excess in production capacity and difficult to utilize are effectively solved.
Owner:TIANJIN PULAI CHEM TECH