14results about How to "Achieve consumption" patented technology

The present application relates to the technical fields of synthetic biology and microbial metabolic engineering, in particular to a substrate-specific division of labor Saccharomyces cerevisiae mixed bacterial system, a construction method thereof and application of beta-carotene production, wherein a substrate utilization non-crossing Saccharomyces cerevisiae mixed bacterial system is established by constructing a glucose-specific utilization strain YG1 and a lactic acid-acetic acid-specific utilization strain YA2; wherein the YG1 realizes glucose-specific utilization by knocking out the ADY2 gene, the YA2 realizes efficient utilization of lactic acid and acetic acid by integrating the SO1522 gene and the ACKA-PTA acetic acid assimilation pathway, and the HXT7 and GAL2 sites are modified; the mixed bacterial system constructed by the present application can realize the synergistic utilization of mixed carbon sources such as glucose, lactic acid and acetic acid, and improve the beta-carotene synthesis efficiency and fermentation stability.

The utility model discloses a heat recovery system. The heat recovery system comprises a first heat exchange assembly used for conducting sensible heat recovery on smoke of the aluminum oxide roasting furnace; the flue gas pipeline is communicated with the roasting furnace and the first heat exchange assembly; the first conveying pipeline communicates with the first heat exchange assembly; the bypass flue is communicated with the flue gas pipeline and the first conveying pipeline; the adjusting valve is arranged in the bypass flue and used for adjusting the opening degree of the bypass flue; the chimney is communicated with the first conveying pipeline; and the second heat exchange assembly communicates with the chimney and is used for conducting latent heat recovery on the flue gas subjected to sensible heat recovery through the first heat exchange assembly.

The invention relates to the technical field of coal chemical industry, in particular to a method for treating a gasified filter cake, which comprises the following steps: (A) extruding and dehydrating the filter cake; (B) heating and dehydrating the filter cake subjected to extrusion dehydration; (C) crushing the heated and dehydrated filter cake to form filter cake particles; and (D) feeding the filter cake particles into a combustion system (5), introducing combustion-supporting gas and combustible gas into the combustion system (5), and igniting the combustion system (5), so that the filter cake particles are subjected to methanation reaction in an environment with the temperature of 550-650 DEG C and the pressure of 0.5-0.7 MPa to generate waste ash and process gas. In addition, the invention also provides a system for implementing the method for treating the gasified filter cake. According to the method for treating the gasified filter cake, the dehydration effect on the filter cake is good, combustion is more sufficient, energy consumption is reduced, and sustainable utilization of resources is promoted.

The application provides a high-temperature acidolysis device and method for uranium-containing polymetallic silicate ore, and relates to the technical field of hydrometallurgy. The device is used for high-temperature acidolysis of uranium-containing polymetallic silicate ore, the function structure of a slurry preparation tank is designed, and material is added in batches in sections, so that the risk of slurry tank overflow is reduced, and the time for slurry preparation is shortened; the reaction heat and dilution heat are used to make the material mature in the stirring tank, so that the energy consumption is reduced, and the reaction time in the subsequent high-temperature acidolysis process is shortened. The solidification of the slurry and the high-temperature acidolysis equipment are modularized and connected in series, and are carried out in the paddle stirring equipment, so that the rapid solidification of the slurry and the fine control of the high-temperature acidolysis process are realized, the technical problems of material caking and scarring in the high-temperature acidolysis are effectively solved, the energy consumption is reduced, the amount of waste gas generated in the acidolysis process is reduced, and the equipment floor area is saved.

The utility model discloses a kind of dirt reverse cleaning systems for water source heat pump unit, including two or more water source heat pumps, valve I, valve II and liquid storage tank, liquid storage tank is also provided with cleaning fluid output pipe and cleaning fluid recovery pipe, cleaning fluid output pipe is connected with the wastewater outlet of first water source heat pump, cleaning fluid recovery pipe is connected with the wastewater inlet of last water source heat pump, the wastewater inlet and wastewater outlet remaining in water source heat pump unit are connected, to form a closed loop water source heat pump unit cleaning passage by this. The utility model not only can realize the repeated use of cleaning fluid and save raw material cost, but also can completely realize the cleaning backflush of water source heat pump unit, carry out thorough cleaning and blowdown, can long-term reliable work, system is simple, low in cost, again completely automatic operation, greatly reduce artificial burden.

This invention provides a coupled heating system of a PVT heat pump, an air source heat pump, and a boiler, comprising: a first loop consisting of a hot water storage tank and an air source heat pump; a second loop consisting of the hot water storage tank, the PVT heat pump, the boiler, and a heat exchanger, wherein the PVT heat pump and the boiler are connected by a cable; and a third loop consisting of the hot water storage tank, the heat exchanger, and the user. When the PVT heat pump in the second loop is insufficient to absorb energy, the air source heat pump in the first loop supplies heat to the hot water storage tank. The advantages are enhanced system stability and reliability through the complementary operation of multiple heat sources. The coupled system achieves dynamic switching of heat sources through the coordinated work of the PVT heat pump, the air source heat pump, and the boiler. Utilizing the solar power generation and heating characteristics of the PVT heat pump significantly reduces the consumption of fossil fuels, achieving the goal of prioritizing renewable energy utilization. The boiler, as an unrestricted heat source, is only started when necessary, reducing overall operating time and thus reducing carbon emissions, achieving low-carbon operation of the boiler.

This utility model provides a particle size distribution screening device for the utilization of sludge in building materials, belonging to the field of building material preparation technology. It addresses the problem that existing methods use inter-particle liquid bridging forces to cause fine particles to agglomerate, affecting sludge screening efficiency. The device includes a screening support, a screening drive motor, a screening drum, an anti-clogging fixing support, a screening spraying component, a screening anti-clogging mechanism, and a screening anti-adhesion mechanism. The screening drive motor is fixedly connected to the upper rear end of the screening support; the screening drum is driven and connected above the screening support wheel; the anti-clogging fixing support is fixedly connected to the upper right side of the screening support; the screening spraying component is rotatably connected to the upper left side of the anti-clogging fixing support; the anti-clogging drive shaft is rotatably connected to the upper inner side of the anti-clogging fixing support; the screening anti-clogging mechanism is located on the right side of the anti-clogging fixing support; and the screening anti-adhesion mechanism is located at both the front and rear ends of the anti-clogging fixing support, reducing sludge adhesion and improving sludge screening efficiency.

The invention provides a system and a method for preparing synthesis gas and hydrogen from biogas through medium-temperature chemical looping, and belongs to the technical field of preparation of synthesis gas and hydrogen from biogas through medium-temperature chemical looping conversion. The system comprises a biogas desulfurization system, a reduction reaction system, a water vapor oxidation reaction system, a hydrogen extraction system and an oxygen carrier circulating system, and the method comprises the following steps: by adopting the system, firstly desulfurizing biogas, and then carrying out reduction reaction on purified biogas and an oxidation-state oxygen carrier in a reduction reactor; the generated reduction state oxygen carrier and water vapor are subjected to an oxidation reaction in the water vapor oxidation reactor, obtained crude hydrogen is purified into high-purity hydrogen, meanwhile, heat is recycled through the heat exchange device, the oxygen carrier is recycled, the system aims at solving the problem of carbon emission caused by mass use of fossil fuel, and the prepared hydrogen is high in concentration, easy to separate and low in cost. Meanwhile, methane is efficiently utilized to prepare synthesis gas and green hydrogen, and emission reduction and green methanol synthesis are assisted.

The invention discloses a cabin cloth product disinfection detection method and system adaptive to multiple cabin standards, belongs to the technical field of cabin cleaning, and is used for solving the technical problems that an existing cabin cloth product disinfection detection method is long in detection period, single in detection means, poor in universality and incapable of meeting health service requirements. The method comprises the following steps: establishing a multi-cabin standard detection model, and initializing parameters; collecting a surface electrical response signal of the target cloth product through the dual-sensor detection terminal, and reading a cabin type to which the target cloth product belongs; performing filtering denoising and feature extraction on the surface electrical response signal to obtain a standardized feature value; inputting the cabin type and the standardized characteristic value into a multi-cabin standard detection model to obtain an actual index value and a disinfection effect comprehensive judgment value; if the comprehensive judgment value of the disinfection effect does not reach the standard, the disinfection parameters of the disinfection equipment are optimized according to the cabin type, and secondary disinfection and re-detection are conducted on the target cloth product.

The application discloses a beverage high-temperature sterilization and cooling system, and relates to the technical field of product sterilization. The beverage high-temperature sterilization and cooling system comprises a liquid beverage conveying line and a bottled beverage conveying line, the liquid beverage conveying line and the bottled beverage conveying line are connected through a liquid bottling assembly, a pre-warming heat exchanger and a high-temperature heat exchanger are sequentially arranged on the liquid beverage conveying line along a liquid flow direction, a plurality of cooling assemblies are arranged on the bottled beverage conveying line, the plurality of cooling assemblies are connected with the pre-warming heat exchanger through circulating pipes, and the pre-warming heat exchanger, the high-temperature heat exchanger and the plurality of cooling assemblies are all signal-connected with a controller. The beverage high-temperature sterilization and cooling system solves the technical problem that the existing beverage sterilization has high energy consumption and cannot be effectively utilized, and achieves the technical effect of reducing production cost and energy consumption.

The application discloses a weather forecasting method and device, a computer program product and an electronic device. The method comprises: obtaining historical meteorological features for meteorological prediction of a to-be-predicted area; using a plurality of hierarchical transformer modules to analyze meteorological physical laws of the historical meteorological features layer by layer to obtain fused meteorological features of each layer, wherein each transformer module is used to guide an attention mechanism to focus on local meteorological features of the to-be-predicted area and its neighborhood according to a gating position encoding to obtain first global meteorological features, and correct each local meteorological feature in the first global meteorological features according to a global spatial position bias term to obtain second global meteorological features; and using a multi-scale output head module to fuse the fused meteorological features of the plurality of layers to obtain a predicted upper air field and a predicted ground field of a prediction period. The application solves the technical problem of large prediction error of an existing weather forecasting model.

This invention relates to the field of low-frequency elastic wave bandgap technology, and more particularly to a method for controlling the low-frequency elastic wave bandgap based on viscoelastic damping materials. The invention includes the following steps: converting the Young's modulus of the viscoelastic damping material into a function varying with frequency, introducing a first control factor; analyzing the control law of the first control factor on the negative property material parameters, and analyzing the elastic wave transmission characteristics in the viscoelastic damping material when the material parameters within the bandgap are negative; introducing a second control factor to adjust the viscoelastic damping material parameters to a complex form, and analyzing the control law of the second control factor on the complex property material parameters; determining the dispersion curve when the viscoelastic damping material parameters are complex, and analyzing the influence of the complex property tensile modulus on the elastic wave transmission characteristics based on the real and imaginary parts of the dispersion curve; and analyzing the control law of the elastic wave dispersion characteristics when the tensile modulus of the viscoelastic damping material is complex. This invention can solve the problem of high difficulty in low-frequency vibration reduction and noise reduction.

The invention relates to a method and a device for knock regulation of an internal combustion engine operated with hydrogen, wherein, for the knock regulation, the tendency of the internal combustion engine to knock is reduced by influencing the ignition angle and by influencing the lambda value.