11results about How to "Reduce energy input" patented technology

The rotary cross-flow ceramic membrane filtering device comprises a shell, a main shaft unit arranged in the shell and a power unit for driving the main shaft unit to rotate, the power unit provides rotating power for the main shaft unit and drives the filtering disc to rotate, the main shaft unit is installed in the shell and executes a specific filtering task, and the shell provides necessary support and protection for the main shaft unit and the power unit and controls inflow and outflow of materials. According to the rotary cross-flow ceramic membrane filtering device provided by the invention, the ceramic membrane filtering disc is arranged, so that the filtering efficiency and the system stability are improved, the operation cost is reduced, and the rotary cross-flow ceramic membrane filtering device is suitable for being widely applied to various industrial fields needing efficient filtering solutions.

The invention provides a kitchen garbage biomass energy resource cascade recovery system, which comprises a pretreatment unit, a biomass energy resource cascade recovery unit, a biomass energy resource cascade recovery unit and a biomass energy resource cascade recovery unit, and is characterized in that the pretreatment unit is used for pretreating kitchen garbage and straws to obtain slurry and solids; the solid phase treatment unit comprises a biological hydrolysis device, a biological fermentation device and a biological decomposition device which are connected in sequence; the biological hydrolysis device is connected with the pretreatment unit; the product utilization unit is connected with the biological decomposition device; the liquid phase treatment unit comprises a dark fermentation hydrogen production device, a microbial electrolysis cell hydrogen production device and an anaerobic digestion methane production device which are connected in sequence; the dark fermentation hydrogen production device is connected with the pretreatment unit; and the tail water utilization unit is connected with the anaerobic digestion methane production device. The gas, the liquid and the solid generated by the recovery system are subjected to effective energy recovery and maximum resource utilization, no three wastes are generated, and the recovery system can be widely applied to the fields of agriculture, environmental protection, energy and the like.

The invention discloses an ultralow-temperature crushing process for an out-of-service wind power blade, and relates to the technical field of green environmental protection, and the ultralow-temperature crushing process is characterized by comprising the following steps: step 1, taking the out-of-service wind power blade, cutting the out-of-service wind power blade to form a small-size wind power blade plate, and cleaning stains on the surface of the wind power blade plate for later use; 2, the wind power blade plate is placed in the long-strip-shaped cavity, the long-strip-shaped cavity is filled with clear water, firstly, heating is conducted to 50-100 DEG C, heat preservation is conducted for 2-5 min, then after the temperature is reduced to the room temperature, the long-strip-shaped cavity is frozen to-12 DEG C or below, and long-strip-shaped ice bars are obtained; 3, the temperature is controlled to be-150 DEG C or below, an ultrasonic vibrator acts on the long-strip-shaped cavity, and a pre-crushed blade plate is obtained after crushing treatment; 4, the temperature is controlled to be below-150 DEG C, the pre-crushed blade plate is guided into a wind power blade shredding machine to be crushed, and particulate matter is obtained; and 5, classifying the particles to form glass fiber particles, resin particles and balsa wood particles. The wind power blade recycling device has the effects of reducing the wind power blade recycling difficulty and improving the economical efficiency.

This utility model relates to the field of chemical engineering technology and discloses a coil-type cold explosion-proof sulfur pulverizing device, including a frame. A pretreatment chamber is fixedly connected to the top of the frame, and a pulverizing chamber is installed on the right side of the pretreatment chamber. A connecting pipe is installed between the pretreatment chamber and the pulverizing chamber. A second motor is installed on the top of the connecting pipe, and a stirring rod is fixedly connected to the output end of the second motor. A feed inlet is opened on the top of the pretreatment chamber, and a conveying pipe is fixedly connected to the side of the pulverizing chamber away from the connecting pipe. A discharge outlet is installed at the end of the conveying pipe away from the pulverizing chamber. In this utility model, by introducing a pretreatment step, the sulfur raw material is initially crushed before entering the pulverizing chamber, which significantly reduces the energy input required for the pulverizing equipment. The stirring, vibration, and other processes in the pretreatment chamber can decompose agglomerated materials, improve the embrittlement effect of the raw material, and reduce the energy consumption of the pulverizing process.

The utility model discloses beverage bottle preform injection molding equipment, which belongs to the technical field of beverage bottle production and comprises an equipment body, a mold cavity and a charging barrel, the mold cavity is arranged on the equipment body, and the charging barrel is used for melting and conveying materials; the device further comprises a preheating cylinder; a preheating mechanism is arranged in the preheating cylinder and is used for preheating plastic particles in the preheating cylinder, so that the plastic particles enter the charging barrel after being preheated; the preheating mechanism comprises a first preheating plate and a second preheating plate, the first preheating plate and the second preheating plate are both located in the preheating cylinder, a first heating piece is installed on the first preheating plate, and a second heating piece is installed on the second preheating plate. According to the utility model, the problems of efficiency and quality caused by the fact that low-temperature materials directly enter the charging barrel in the prior art are solved.

The present application belongs to hydrogen energy technical field, and particularly relates to a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system.The technical scheme is as follows: a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system, comprising a CO2 transcritical heat pump system, a lithium bromide absorption refrigeration system and a fuel cell power generation system, hot water generated by the CO2 transcritical heat pump system and hot water generated by the fuel cell power generation system are mixed and supplied to the lithium bromide absorption refrigeration system, and hot water generated by the lithium bromide absorption refrigeration system is sent back to the fuel cell power generation system.The present application provides a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system, which fully utilizes fuel cell power and utilizes low-grade heat, can greatly improve the temperature range of the fuel cell, and improves the overall energy utilization efficiency.

The invention relates to the field of electro-catalytic materials, and mainly discloses a metal-metal catalyst for preparing nitrite through electro-catalytic ammoxidation and a preparation method and application of the metal-metal catalyst, and the catalyst is composed of molybdenum (Mo), nickel (Ni) and copper (Cu) in a metallic state and does not contain an oxide or hydroxide phase. The metal-metal catalyst provided by the invention shows excellent comprehensive performance in electrocatalytic ammoxidation reaction, the catalyst shows extremely low reaction starting potential in the aspect of catalytic activity, and the starting potential is only 1.36 V relative to a reversible hydrogen electrode in electrolyte, so that the energy input required by the reaction is remarkably reduced, and the energy consumption is reduced. Ammonia oxidation can be tested under milder conditions, the safety and reliability of ammonia oxidation are directly improved, efficient ammonia utilization rate and nitrite selectivity are realized, side reaction is effectively inhibited, and the catalyst is particularly remarkable in long-term operation stability.

The present invention discloses an electro-Fenton sewage treatment system and a method for treating wastewater, wherein the electro-Fenton sewage treatment system comprises an iron sludge reduction unit, an electro-Fenton oxidation zone, a coagulation sedimentation zone, and an energy storage power supply system connected to the electro-Fenton oxidation zone, and further comprises a microbial fuel cell type artificial wetland unit respectively connected to the coagulation sedimentation zone and the energy storage power supply system; the microbial fuel cell type artificial wetland unit is connected to the coagulation sedimentation zone through an overflow pipe; the microbial fuel cell type artificial wetland unit is provided with a water distribution layer, a first filler layer, a bioanode, a second filler layer and an electrochemical cathode from bottom to top; microorganisms with electricity generation and iron reduction functions are attached to the bioanode. When the method of the present invention is used to treat sewage, the removal efficiency of acid red B dye reaches more than 87%, and the removal efficiency of COD reaches more than 82%.

The present invention provides a refined sampling investigation method based on green remediation and regeneration of contaminated soil, including: step 10, conducting on-site surveys to determine the boundaries of the contaminated site and the boundaries of the production area; step 20, building wells outside the boundaries of the contaminated site to detect and obtain groundwater flow field information; step 30, laying out test points, measuring the foundation bearing capacity within the preset depth of the test points; step 40, laying out sampling points, and obtaining the sampling parameters of each layer within the preset depth of the sampling points according to the foundation bearing capacity within the preset depth of the testing points; step 50, performing soil drilling sampling according to the sampling parameters of each layer within the preset depth of the sampling points; step 60, testing soil samples to obtain the spatial distribution of site pollution. The present invention provides a refined sampling investigation method based on green remediation and regeneration of contaminated soil, which can accurately investigate and obtain the spatial distribution of site pollution and provide a reliable basis for soil remediation and regeneration.

The invention belongs to the technical field of foundation treatment, and discloses a dynamic frequency tracking-based alluvial silt foundation adaptive resonance compaction method. The problem of resonance frequency drift caused by rigidity time-varying characteristics in the resonance compacting process of the Yellow River downstream alluvial silt foundation is solved. Comprising the following steps: S1, equipment in-place and initial penetration; s2, real-time response monitoring is carried out; s3, analyzing bottom vibration retention and instantaneous frequency; s4, performing dynamic frequency tracking and self-adaptive resonance in the lifting process of the vibration rod; s5, the vibration rod is lifted to the ground, and construction of a single point position is completed; and S6, the resonance compaction equipment is moved to the next construction point position, and the steps S1 to S5 are repeated till foundation treatment of all the areas is completed. Through real-time analysis of the instantaneous inherent frequency of the soil body and dynamic tracking and matching, the problem of resonant frequency drift caused by rigidity time-varying characteristics of the Yellow River downstream alluvial silt is fundamentally solved.

The invention relates to the technical field of wind power generation, and discloses a mechanical variable-pitch protection system and a wind turbine generator. The mechanical variable-pitch protection system comprises an energy storage device, a transmission device, a transmission shaft, a main shaft and blades which are connected in sequence; the variable pitch driving mechanism is connected with the energy storage device through the transmission device and connected with the blades. The mechanical variable-pitch protection system has a first state that blades rotate to drive a main shaft to rotate, a transmission shaft rotates, a transmission device acts, and kinetic energy is stored in an energy storage device; and in the second state, when the control module receives a shutdown signal and a failure signal of the electrically-driven variable pitch system, the energy storage device releases energy, and the blades are driven to rotate to the 90-degree feathering position through the transmission device and the variable pitch driving mechanism. According to the mechanical variable-pitch protection system, when the wind turbine generator set is shut down emergently and the electric drive variable-pitch system fails, the blades are driven to rotate to the 90-degree feathering position, energy input is reduced, speed reduction of the wind turbine generator set is achieved, and overspeed and accidents are prevented.