97results about How to "In line with the policy of energy saving and emission reduction" patented technology

The invention provides a distribution method of container quay berths and shore bridges. By adopting a rolling type plan distribution method, berth and shore bridge distribution models based on multi-objective planning are constructed; the models are based on a continuous quay wall line and are more closer to the actual berth conditions of a quay; a hybrid algorithm on the basis of combining a heuristic algorithm and a parallel genetic algorithm is adopted, and the performance of the hybrid algorithm is evaluated by a distribution simulation system of the container quay berths and the shore bridges; when a berth and shore bridge distribution scheme is generated, the simulation system simulates the distribution scheme, acquires corresponding performance indexes, compares with other schemes, and determines whether the scheme is better; and a method combining simulation and a gene repair technology is adopted to repair infeasible schemes, thereby being favorable for reducing the time in port of a ship, and reducing the horizontal transport distance when the ship is loaded or unloaded, the energy consumption of the shore bridges, and the fine that the quay pays to a ship owner, and further reducing the loading and unloading cost on the quay, improving the service quality of the quay and realizing the purpose of the invention.

The invention belongs to the field of silicon carbide materials, and in particular relates to a novel silicon carbide ceramic and a preparation method thereof. The novel silicon carbide ceramic is prepared from main materials and auxiliary materials, wherein the main materials comprise the following components in percent by mass: 80 to 90 percent of silicon carbide powder, 6 to 10 percent of silicon powder and 4 to 10 percent of carbon powder; and the auxiliary materials comprise a binder and a dispersant, wherein the dosage of the binder is 1 to 5 percent based on the total mass of the main materials; and the dosage of the dispersant is 0.5 to 1 percent based on the total mass of the main materials. The silicon carbide ceramic prepared by the method has the characteristics of high performance, volume density of between 3.05 and 3.10 g/cm<3>, free silicon content of less than 5 percent, hardness of 90 to 93 HRA, and bending strength of between 400 and 450 MPa.

The invention provides a coal mine wet method guniting process and belongs to the technical field of coal mine wet method guniting. The coal mine wet method guniting process comprises the following steps of 1.1 manufacturing mixed dry materials, namely performing dry mixing of a sand and stone mixed material, cement, coal ash, a water reducing agent, fiber and an accelerator to form the mixed dry materials; 1.2 performing dry material transportation, namely transporting the mixed dry materials to a guniting working face under a coal mine; 1.3 manufacturing wet slurry, namely pouring the mixed dry materials into a stirring, conveying and guniting integrated machine and simultaneously adding water to perform stirring to form evenly-mixed wet slurry; 1.4 performing guniting operation, namely utilizing a plunger type wet spraying machine (11) to perform continuous and quick guniting operation to the working face needing guniting; and 1.5 cleaning a pipeline, namely cleaning the guniting pipeline of the plunger type wet spraying machine (11), keeping the pipeline to be clean and preventing blockage. By means of the coal mine wet method guniting process, dry mixing, conveying, stirring, guniting and other processes are tightly combined integrally, the processes are compact, manpower is saved, the efficiency is improved, guniting materials are even and consistent in proportion, and the guniting effect is remarkable.

The invention discloses a process for producing low molecular sodium heparin by using raw sodium heparin as a raw material, which comprises the steps of: producing a sodium heparin solution; degradingthe solution; neutralizing the solution; collecting a precipitation; producing low molecular raw sodium heparin; producing low molecular fine sodium heparin and the like. The low molecular sodium heparin has the characteristics of rich sources of the raw material, high yield, stable and reliable quality, high purity, low cost, long curative effect, no toxic or side effect, simple process, convenient operation and no 'three wastes' discharge, has the effects of coagulation resistance, thrombosis resistance, tumor resistance, inflammation resistance, allergy resistance and the like and the efficiency of regulating blood lipid, has significant curative effect and wide application range, can be produced into injections, capsules, ointments and the like, is convenient for massive production, and is widely used for producing coagulation resistant low molecular sodium heparin.

The invention relates to a photo-initiation type polycarboxylic acid water reducing agent and a preparation method thereof. The preparation method comprises the following steps: dissolving the following components into water in parts by weight: 72 to 90 parts of a big polyether monomer, 10 to 27 parts of an unsaturated poly-monomer, 0.2 to 0.9 part of a molecular weight modifier and 0.3 to 1.0 part of a photoinitiator, so as to obtain a mixed monomer solution; continuously performing ultraviolet irradiation on the mixture in a photo-initiation reactor, then performing aging reaction in a reaction kettle for 0.2 to 2 h, and neutralizing to reach the PH of 6.5 to 7.5 so as to obtain a finished product. The preparation method can be carried out under room temperature, and even low temperature, so that the energy consumption is low; the reaction is fast, and the production efficiency is high; the whole reaction process is short in time. The process method is simple and is easy to operate, and the production efficiency of the polycarboxylic acid water reducing agent can be greatly improved, so that the product has higher market competitiveness.

The invention mainly provides a frequency and voltage regulation device of a rotor of an AC mine hoist. The power input part of the device consists of a rectifier transformer and a switch regulated power supply; a rectification/feedback part consists of a rectifier bridge and a current transformer thereof, a feedback bridge and a current transformer thereof, a rectifier feedback control unit and rectifier feedback trigger unit and so on; a DC energy storage part consists of a plurality of serial electrolytic capacitors which are in parallel connection; the output part of the frequency and voltage regulation part consists of an inverter bridge and a current transformer thereof, an inverter bridge control unit and a trigger unit; the AC output of the inverter bridge is directly connected with a three-phase winding of the rotor of a wound motor. When the hoist hoists heavy objects, the device outputs positive power; when the heavy objects are dropped by the hoist or the speed is reduced, the frequency and voltage regulation device transforms potential energy into electric energy which is fed back to an electric network, thus outputting negative power. The frequency and voltage regulation device replaces a metallic resistor which is serially connected outside a rotor of an AC wound asynchronous motor, and can realize stepless speed regulation control for the AC mine hoist under the energy saving condition.

The invention relates to a preparation method of aluminum sludge ceramsite. The preparation method comprises: drying and grinding aluminum sludge with auxiliary materials such as glass powder, egg shell and fly ash; mixing and stirring the materials uniformly; then adding water as a binder; carrying out mixing granulation to obtain green ceramsite; and then drying, preheating, sintering and cooling the green ceramsite. According to the preparation method provided by the invention, the aluminum sludge and glass powder are adopted to replace clay to provide Al2O3 and SiO2, so that the manufacturing cost of ceramsite is remarkably reduced. The manufactured ceramsite has the advantages of large specific surface area, rough surface, high porosity, few dissolved substances, high water absorptionperformance, low dissolution rate and the like, can be used for large-scale disposal of aluminum sludge in water supply plants, realizes waste utilization, and saves the disposal cost of aluminum sludge. The aluminum sludge ceramsite is widely used in secondary treatment and advanced treatment of sewage, treatment of building reclaimed water, treatment of industrial wastewater, and treatment sponge city rainwater, and has a high market application prospect.

The invention relates to sewage treatment, particularly a denitrification/dephosphorization bioreactor and a sewage treatment method with the same. The invention aims to provide a denitrification/dephosphorization bioreactor which has the advantages of low cost, low energy consumption, simple structure and good treatment effect. The denitrification/dephosphorization bioreactor comprises a water inlet pipe, an anaerobic zone, an anoxic zone, an aerobic zone, a settling zone and a water outlet pipe in the water body flow direction, wherein the anaerobic zone, anoxic zone, aerobic zone and settling zone are separated by zone walls; and each zone wall is provided with water through holes. The invention also aims to provide a sewage treatment method with the denitrification/dephosphorization bioreactor. By adopting the sludge self-reflux and air stripping hydraulic circulation mode, the invention saves the high-flow circulating pumps, thereby saving the investment cost as well as maintenance cost and power cost. Thus, the invention provides an ideal device for municipal domestic sewage treatment.

The invention belongs to the technical field of well digging and piling and particularly relates to well drilling equipment, in particular to a water hammer type well drill. The invention aims at providing a well drill which is low in noise, obvious in effect, high in energy using ratio and capable of drilling an inclined well when used in an area with soft soil and an uncomplicated geological condition. Water is drawn from a drain pipeline through a water pump and is supplied to a water hammer pipeline. When the water in the water hammer pipeline arrives at a certain speed, the valve is closed, once water hammer impact is produced, momentum of the water flow is transformed into the momentum of the whole well drill, and a soil layer is hit once. Then, a valve plate is opened under the action of a valve plate starter, the water flow flows again, enters into the drain pipeline after being shunted through a shunting cavity and is sent to a water outlet of the water pump, and once circulation is finished. A direction controller controls the drilling direction of the well drill. The two-way oil-pressure adjustment device is rigid in noise control and conducts drilling operation in the area with the soft soil and the uncomplicated geological condition.

The invention discloses a gypsum-based construction waste reclaimed sand plastering mortar and a preparation method thereof. The mortar is obtained in a way that water is added into mortar dry powder to be evenly stirred, wherein the mortar dry powder is prepared from the following raw materials in parts by weight: 20-50 parts of ardealite, 7-12 parts of coal ash, 3-5 parts of cement, 40-70 parts of construction waste reclaimed sand, 0.1-0.2 part of water-retaining thickener, 1-2 parts of water reducing agent and 0.1-0.3 part of retarder. The ardealite is taken as the main binding material of the mortar, and the construction waste reclaimed sand replaces a machine-made sand at a certain ratio; through formula regulation and additive adding, technical performances, including mortar strength, workability, construction performance and the like, can meet the requirements of the plastering mortar, the problem of the shortage of sand used for construction can be solved, and the pollution problem of solid wastes including the ardealite, the construction waste and the like can be solved.

The invention discloses a telescopic rear trunk of a passenger vehicle, mainly comprising a lift door, a lift door bracket assembly, a mobile door assembly, a supporting beam assembly, a movable arm assembly, a folding plate assembly, a protection assembly, an awning assembly, a locking beam assembly, a manual telescopic or electric telescopic assembly, an LED (light-emitting diode) lamp group and the like. The stretch and the retraction of the rear trunk are realized, thereby the compartment-change passenger vehicle is realized in true sense. The invention enables small cars to use the big-space rear trunk so as to solve the defect of weak protection capability of the rear crash of the small cars. Compared with the big-space rear trunks of upper intermediate cars, since the big-space rear trunk is not used most of the time at ordinary times, the rear trunk is in the retracted state to become a small-space rear trunk, which can reduce the energy consumption of an air conditioner in the car and can be suitable for crowd and narrow road conditions; and moreover, the design detail is skillful, flexible and practical.

The invention discloses an assembly type steel-wood buckling restrained brace with vertically embedded FRP reinforcement, including a core material, a peripheral restraint, an unbonded material or an air layer, wherein the core material includes connecting sections, transition sections, a core work section, a stop clamp and a reinforcing plate, two ends of the core work section are connected with the connecting section by the transition sections, the stop clamp is arranged at the middle of the core work section, the transition sections are arc-shaped, connection bolt holes are formed in the connecting sections, the peripheral restraint includes two pieces of core material up-down laminated wood and two pieces of core material dual-side laminated wood, the two pieces of core material up-down laminated wood are transverse in wood grain direction and the two pieces of core material dual-side laminated wood are transverse in wood grain direction, and a vertically embedded carbon fiber plate is arranged between the core material up-down laminated wood and the core material dual-side laminated wood. The assembly type steel-wood buckling restrained brace with vertically embedded FRP reinforcement can be used in earthquake regions, and is convenient to repair after the earthquake and reduce earthquake damages. The assembly type steel-wood buckling restrained brace with vertically embedded FRP reinforcement has wide application prospect in middle-high wood structure buildings.

The invention belongs to a rapid curing drying method for an energy source battery positive electrode plate. According to the method, a multi-section low-temperature and high-temperature mixing curing method is used for a storage batter positive electrode plate, wherein the low temperature-high temperature is used for the electrode plate curing drying environment at the early stage of the curing drying, the high temperature-high temperature is used for the electrode plate curing drying environment at the middle stage of the curing drying, and the uniform dewatering is used for the electrode plate curing drying environment at the late stage of the curing drying. According to the present invention, with the method, the rapid curing drying time of the positive electrode plate can be substantially reduced, and the advantages of simple, practical and convenient process, production time saving, cost saving, good practical effect, energy saving, consumption reducing, production efficiency improving, high battery cycle life, and good product quality.

The invention relates to an oil sludge drying treatment system which comprises a drying device, a cyclone separation device, a micro-powder gas-solid separation device, a gas-water separation condensing device, a tail gas adsorption device and a vacuum pump system. The invention also provides an oil sludge drying treatment process using the oil sludge drying treatment system. According to the oilsludge drying treatment system, the drying device is used for heating the oil sludge and separating moisture in the oil sludge, the cyclone separation device is used for separating solids in steam generated by heating the oil sludge, the micro-powder gas-solid separation device is used for carrying out secondary separation on the solids in the steam, the gas-water separation and condensation device is used for spraying tail gas to carry out adsorption and cooling, and the tail gas adsorption device is used for carrying out secondary adsorption. The system and the process are efficient, safe and capable of treating a large amount of oil sludge in a centralized manner so that the economy, safety and efficiency of oil sludge treatment are improved.

The invention relates to a method for preparing compound amino acid, which is characterized in that after a first barrier separation of lysine fermented liquor, threonine fermented liquor, glutamic acid fermented liquor and methionine fermented liquor, remaining strong liquor is mixed with mother liquor obtained after concentration and crystallization; pH value is regulated to 4-6; then the solution is evaporated and concentrated, sprayed with concrete and granulated; finished product can be obtained after sieved and dried. In the finished product, content of lysine is 50-60 percent, threonine 10-20 percent, glutamic acid 8-10 percent, and methionine 8-10 percent. The method for preparing compound amino acid prepares compound amino acid by mixing the remaining strong liquor from a first barrier separation of lysine fermented liquor, threonine fermented liquor, glutamic acid fermented liquor and methionine fermented liquor in current amino acid fermentation production with mother liquor obtained after concentration and crystallization, thus realizing a recycling of waste resource; simultaneously, the manufacturing process is simple; water and power can be saved without pollution; the production cycle is short; comprehensive cost is greatly lowered, which conforms to national energy-saving emission reduction policies.