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39results about How to "Solve excess capacity" patented technology

Catalyst used for preparing ethyl alcohol through acetic acid hydrogenation and preparation methods thereof

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

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

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

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

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

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

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

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

A data service cloud platform based on RFID electronic tag

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

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

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

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

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

Shared cold chain infrastructure operation method

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

Preparation method of platinum tin silica catalyst for hydrogenation of acetic acid to produce ethanol

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

A kind of briquette raw material suitable for upgrading low-rank coal in tamping coke oven

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

A water intelligent parking boat

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

Catalyst and preparation method for hydrogenation of acetic acid to ethanol

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

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

Process for extracting metal manganese from manganese-rich slag

The invention discloses a process method of extracting metal manganese from manganese-enriched slag. The process method comprises the steps of standing manganese-enriched slag liquid from a blast furnace, wherein as specific gravities are different, the liquid is layered, the upper layer is manganese-enriched slag liquid while the lower layer is iron liquid, and the iron liquid at the lower layer is discharged to separate iron; pouring the separated manganese-enriched slag liquid into a reaction kettle, proportioning a magnesium aluminum manganese alloy, and heating to 1500 DEG C to reduce the magnesium aluminum manganese alloy; after reacting for 1 hour, standing, wherein as specific gravities are different, the liquid is layered, the upper layer is hot slag liquid while the lower layer is manganese liquid, and the manganese liquid at the lower layer is discharged and cooled to obtain manganese. The extraction process provided by the invention is relatively simple, and the reduction rate of manganese is relatively high; during reaction, residual blast furnace gases are directly used for heating, so that the manufacturing cost is saved. On the other hand, the magnesium aluminum manganese alloy further can solve the existing problem of excess production capacity of magnesium and aluminum, so that the process method has good economic and social benefits.
Owner:WUXI YANGTAI METALLURGIC CHARGING MATERIALS

Energy storage tower drum

The invention discloses an energy storage tower drum which comprises a tower drum foundation, a water storage tower drum section, a concrete tower drum section, a water conveying pipeline and a water pump, at least one part of the tower drum foundation is suitable for being buried underground, the water storage tower drum section is arranged on the tower drum foundation, the concrete tower drum section is arranged above the water storage tower drum section, and the water conveying pipeline is arranged on the water storage tower drum section. One end of the water conveying pipeline is connected with the water storage tower barrel section, the other end of the water conveying pipeline is connected with an external water source, and the water pump is arranged on the water conveying pipeline. According to the energy storage tower drum, the water storage tower drum is built above the tower drum foundation, redundant electric energy can be converted into potential energy of water to be stored, resource waste is avoided, when electric energy output is insufficient, the potential energy of the water can be converted into electric energy again so as to meet the power supply requirement, and the problems that wind power generation capacity is excessive and power generation is unstable are solved.
Owner:上海风领新能源有限公司
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