341results about How to "Improve overall utilization" patented technology

The invention relates to the related technical field of integrated service management, in particular to a digital intelligent technology and software and hardware integrated service management method and platform and a storage medium, and the method comprises the steps: connecting an industrial internet, receiving integrated service requirements, deploying software and hardware based on specifications, fitting a service scene, setting a topological architecture conforming to the specifications, and collecting data to establish a performance model. According to the software and hardware matching topology architecture, a communication architecture is adopted, a monitoring mechanism is set, and abnormal response management is performed on each component and each service in the software and hardware matching topology architecture, so that the technical problems that a service scene is fixed and a static deployment mode is difficult to quickly respond to dynamically changing service requirements in a software and hardware integration process are solved; the technical effects that the industrial internet is connected, the integrated service demand information is received in real time, changes of service demands are flexibly coped with in the software and hardware configuration process, dynamic configuration and adjustment are carried out according to different service scenes and demands, service changes are rapidly responded, and the flexibility and adaptability of resource configuration are improved are achieved.

The invention discloses a multi-energy system optimization scheduling method based on a carbon flow theory and deep reinforcement learning. The method comprises the following steps: firstly, carrying out mathematical description on a multi-energy system dynamic optimization problem based on a carbon emission flow theory, and establishing an objective function and constraint conditions of multi-energy system optimization scheduling; then, the scheduling decision problem is expressed as a Markov decision process framework, a reinforcement learning environment is created, and a state space, an action space and a reward function of the multi-energy system are defined; meanwhile, in the depth deterministic strategy gradient algorithm, the training efficiency is improved by introducing an experience replay mechanism based on proportion priority, the overfitting risk in the network training process is reduced by adopting an L2 regularization measure, and the generalization ability of the network in the optimization scheduling decision of the multi-energy system is improved. The method can respond to random fluctuation of a source side and a load side in real time, outputs a coordinated scheduling strategy, ensures low-carbon operation of a multi-energy system, and overcomes the defect that a traditional energy scheduling system cannot quickly adapt to changes.

The invention discloses an amino acid phagostimulant for juvenile helichthys nobilis, which mainly comprises aspartic acid, glutamic acid, alanine, glycine, proline and methionine in a content ratio of (4-5): (5-6): (4-5): 3: 2: 1, and the six amino acids are reasonably compounded, so that the phagostimulant for the juvenile helichthys nobilis achieves the best phagostimulant effect on the juvenile helichthys nobilis. The invention also discloses a juvenile mollusca lanuginosa feed based on the amino acid phagostimulant, the juvenile mollusca lanuginosa feed comprises a basal feed and the phagostimulant, and the mass percentage content of the phagostimulant in the juvenile mollusca lanuginosa feed is 0.79-0.96%. The amino acid phagostimulant is added into the basal feed, so that the food-calling fresh fruit of the young mollusca is obviously higher than that of traditional baits, the increase rate of the body weight and the body length of the young mollusca is higher, the survival rate is maximum, and the application prospect is very good.

The invention discloses a high-quality formed ginkgo wood furniture manufacturing and processing technology, and relates to the technical field of furniture production, and the high-quality formed ginkgo wood furniture manufacturing and processing technology comprises ginkgo wood selection, ginkgo wood treatment, wood modification, part processing and surface treatment. Before drying, the cut ginkgo biloba boards are subjected to primary treatment, surface impurities are removed, and primary balance treatment is carried out, so that stress concentration in the later drying process is reduced; primarily drying the primarily treated wood, adjusting the thickness and the drying temperature and humidity of the wood, adjusting the temperature in the drying chamber according to the thickness and the initial water content of the wood by using a combined drying technology, and controlling the distance between the wood to be 1 / 10-1 / 8 of the width of the wood through a circulating air drying system. By means of the combined drying technology, dynamic control over the ginkgo wood drying quality is achieved, the problems that the drying process is complex and wood is prone to warping or cracking during drying are solved, the drying period is shortened, wood deformation and cracking are reduced, the physical performance of the wood is improved, and the drying efficiency is improved.

The invention belongs to the technical field of coking product extraction and organic separation, and particularly relates to a method for refining 2, 3, 5-tricresol and 3-methyl-5-ethyl phenol from a tricresol mixture. According to the method for refining the 2, 3, 5-tricresol and the 3-methyl-5-ethyl phenol from the tricresol mixture, the tricresol mixture is rectified to obtain the mixed tricresol, the mixed tricresol and the isobutene are subjected to the tert-butylation reaction under the action of the catalyst, and due to the fact that the 2, 3, 5-tricresol and the 3-methyl-5-ethyl phenol do not react with the isobutene, the 2, 3, 5-tricresol and the 3-methyl-5-ethyl phenol are not reacted with the isobutene. The method comprises the following steps: taking 2, 3, 5-trimethylphenol as a raw material, reacting other phenols with isobutene to generate corresponding tert-butyl phenol, boiling point of a tert-butyl product is obviously higher than that of 2, 3, 5-trimethylphenol and 3-methyl-5-ethyl phenol, performing rectification to obtain a 3-ethyl-5-cresol crude product and a 2, 3, 5-trimethylphenol crude product, and performing solvent refining and melt crystallization to obtain 3-ethyl-5-cresol of which the content is greater than or equal to 99% and 2, 3, 5-trimethylphenol of which the content is greater than or equal to 99%.

The invention provides a high-power high-frequency modular battery cluster charging and discharging test device, which is characterized by comprising an alternating current coordination controller connected with a middle computer and used for receiving an instruction transmitted by the middle computer and distributing current to a plurality of isolated ACDC modules; the input ends of the plurality of isolated ACDC modules are connected in parallel and then are connected to the AC co-controller and a three-phase mains supply, and the output ends of the plurality of isolated ACDC modules are connected in parallel and then form a DC bus for converting AC into DC and realizing voltage isolation; and a plurality of BUCK-BOOST modules, the input ends of the plurality of BUCK-BOOST modules are connected in parallel and then are connected to the DC bus, and the output ends of the plurality of BUCK-BOOST modules are connected in parallel and then are connected to a target battery cluster for testing the charging and discharging of the target battery cluster. Modular design is achieved, efficient charging and discharging capacity is achieved, the defects that a traditional scheme is large in size, high in cost, slow in dynamic response and the like are overcome, equipment efficiency and flexibility are improved, and the device is suitable for a high-power scene.

The invention relates to the technical field of energy storage converter fault detection, in particular to a fault detection circuit and method for an AC grid-connected relay of an energy storage converter. A primary relay is removed, a group of detection relay loop is added on the side of an alternating current grid-connected relay and a converter, and the detection relay loop is composed of a detection relay and a detection loop resistor. In the fault detection link of the alternating-current grid-connected relay, the voltage of the detection relay loop is judged by sequentially closing the detection relays of the detection relay loop, so that the short-circuit detection of the alternating-current grid-connected relay is realized. And then the detection relay loop is disconnected, the AC grid-connected relays are sequentially closed, and the voltage of the detection relay loop is judged, so that open circuit detection of the AC grid-connected relays is realized. The added detection relay loop is simple in structure and small in occupied space, the design cost of the alternating current grid-connected relay can be effectively reduced, and the overall structure utilization rate and the power density of the energy storage converter are improved.

The invention relates to the field of microorganisms, and discloses a microbial composite inoculant and a method for degrading lignocellulose. The compound microbial agent comprises phanerochaete chrysosporium, aspergillus niger, trichoderma reesei, neurospora crassa and gloeophyllum trabeum. The phanerochaete chrysosporium is a white-rot fungus with strong performance, and can secrete a plurality of lignocelluloses at the same time. Aspergillus niger, trichoderma reesei, neurospora crassa and gloeophyllum trabeum are mainly used for secreting high-activity cellulase and hemicellulase. Destroying the lignocellulose structure needs the combined action of various lignocellulose enzyme systems, and after the five strains are mixed, the synergistic effect among the enzyme systems in the system can be remarkably enhanced, the lignocellulose structure is efficiently destroyed, and the degradation rate of the wood fiber raw material is increased.

The invention belongs to the technical field of embedded hardware acceleration and computer vision, and relates to a quantitative lightweight neural network hardware accelerator and a design method thereof. The hardware accelerator comprises a top-layer control module, a memory control module, a reconfigurable memory, an input data preprocessing module, a core computing unit and a post-processing module; the memory control module controls the reconfigurable memory to send data information to the top-layer control module, the input data preprocessing module and the post-processing module; the input data preprocessing module is used for data and weight preparation; and the core calculation unit is used for completing data preparation, weight preparation and post-processing through a multiplier, an adder tree and an accumulator array. The hardware accelerator has higher computing performance, hardware resource utilization rate and data reuse rate; according to the method, the problem of low storage data utilization rate of the input and output cache is solved; hardware operator fusion of a convolution operator and a pooling operator is realized, and storage delay and access power consumption of data reading and writing are reduced.

The invention relates to the technical field of absorption cores, in particular to an absorption core and a preparation method and application thereof. The invention discloses an absorption core body. The absorption core body comprises a plurality of upper layers and lower layers, wherein the upper layers are sequentially attached together from top to bottom, and the lower layers are attached to the lower portions of the upper layers. The upper layer is a wood pulp layer made of 100% fluff pulp or the upper layer is needle-punched cloth; and the lower layer is spunlace cloth or dust-free paper. The absorption core body comprises the upper layer and the lower layer, the upper layer is fluffy and soft, and liquid can be rapidly transmitted to the lower layer; the lower layer is compact and not prone to deformation, liquid can be rapidly and transversely conducted, the liquid can be stored, reverse osmosis to the upper layer is not prone to occurring, meanwhile, larger strength can be provided for the core body, and the core body is not prone to breakage.

The invention discloses a large-scale solid heat storage system and a control method, the system comprises a plurality of heat storage subareas, the heat storage subareas are arranged in parallel, inlets of the heat storage subareas are jointly connected with a main heat storage pipeline, and outlets of the heat storage subareas are jointly connected with a main heat release pipeline; each heat storage subarea comprises a plurality of heat storage pipe sections, the inlet pipe section of each heat storage pipe section is provided with a pipe section inlet valve, the outlet pipe section of each heat storage pipe section is provided with a pipe section outlet valve, the heat storage pipe sections are arranged in parallel, and each heat storage pipe section comprises a plurality of solid heat storage modules; the multiple solid heat storage modules are arranged between the pipe section inlet valve and the pipe section outlet valve in series, the inlet pipe section and the outlet pipe section of each heat storage pipe section are each provided with a temperature sensor, the temperature sensors are connected with a temperature flow feedback control unit, and the temperature flow feedback control units are connected with the pipe section inlet valves.

The invention discloses a computer-aided drug dosage optimization method. The method comprises the following steps: constructing and optimizing a QSP model of a drug and a patient; defining a state space and an action space, and initializing a bidirectional model; performing bidirectional deduction on the trained bidirectional model to obtain a virtual track; forming integrated data based on the real data, the output of the QSP model and the virtual track; constructing a learning relationship between the hierarchies; a learner and a guider are trained based on the integrated data and a PPO algorithm. According to the application, PBPK / PD modeling of the medicine in bodies of different crowds is carried out through a quantitative systematic pharmacology (QSP) model, and the physiological status of the patient after taking the medicine is calculated and predicted through a formula. According to the method, the PPO algorithm is used for strategy optimization, the amplitude of strategy updating is limited, the problem that strategy updating is too large in a traditional strategy gradient method is avoided, and the efficiency of the algorithm is improved while the strategy updating stability is guaranteed.

The utility model discloses a device for storing and transporting predatory mites, which comprises a hollow accommodating body, the hollow accommodating body is an accommodating space for accommodating the predatory mites and feed, the accommodating body is further provided with an opening, a plugging piece is arranged at the opening, the top of the accommodating body is provided with a plurality of top air holes communicated with the accommodating space, and the top air holes are communicated with the accommodating space. A supporting structure is arranged at the top and / or the bottom of each containing body, so that when the two containing bodies are stacked in the vertical direction, the bottom of the upper containing body does not block a plurality of top air holes in the top of the lower containing body, and a plurality of side air holes communicating with the containing space are formed in the side faces of the containing bodies; the size of the containing space in the vertical direction is larger than the size of the containing space in the horizontal direction. The storage amount of predatory mites can be increased, the space utilization rate is greatly increased, and the survival rate is guaranteed; and during transportation, stacking arrangement in the vertical direction is achieved through the supporting structures, and more devices can be transported in a limited space.

The invention relates to an information indication method, terminal equipment, network equipment, a chip, a computer readable storage medium, a computer program product, a computer program and a communication system. The method comprises the steps that the terminal equipment receives first indication information from the network equipment; and the terminal device determines, according to the first indication information, whether to perform advanced indication of the low-capability terminal in the first uplink information of the random access process. According to the embodiment of the invention, the advance indication can be flexibly configured.

The utility model belongs to the technical field of power transmission line deicing, and particularly relates to a power transmission line deicing device, which comprises a deicing line body, two ends of the deicing line body are fixedly connected with mounting plates, the outer sides of the two mounting plates are provided with control assemblies, the outer side of the deicing line body is provided with a deicing assembly, and the deicing assembly is provided with a power transmission line. The deicing assembly comprises a deicing cleaning sleeve, a spraying storage box and an elastic cushion, the deicing cleaning sleeve is provided with a spraying sealing cavity, and a plurality of spraying heads used for spraying deicing liquid are fixedly installed in the spraying sealing cavity; the deicing assembly comprises a deicing cleaning sleeve, a spraying storage box and an elastic cushion, a winding control roller is controlled to rotate, a driving control rope is driven to move, the deicing cleaning sleeve can move along the surface of the deicing wire body, a spraying head can move towards the surface of the deicing wire body, redundant deicing liquid can leak into a spraying sealing cavity, and the spraying sealing cavity is sealed; the deicing work is completed, the spraying liquid and the spraying range can be controlled, and the utilization rate of the spraying liquid and the deicing effect are good.

The utility model relates to a device for coating a film on a large-size workpiece, which comprises an assembly support arranged in an overhanging manner, a clamping mechanism for clamping the workpiece to be coated is arranged at the overhanging end of the assembly support, the clamping mechanism is connected with a driving mechanism, and the driving mechanism is used for driving the workpiece to be coated clamped on the clamping mechanism to rotate. According to the scheme provided by the utility model, a large-size workpiece can be uniformly borne in the vacuum coating process, so that the coating efficiency is improved, the problem that the utilization rate of a traditional mold is relatively low is solved, the rotating speed can be freely regulated and controlled, and the production efficiency is improved.

The invention discloses a composite lubricating material for well drilling. The composite lubricating material comprises a core layer, a protective shell layer, a phase change layer and a smooth shell layer which are sequentially wrapped from inside to outside to form micron-sized spheres, the core layer is a liquid lubricant, the protective shell layer is an inorganic protective shell layer, the phase change layer is prepared from a solid-liquid conversion phase change material, and the smooth shell layer is prepared from an inert material. By utilizing the four-layer structure of the composite lubricating material for well drilling, the composite lubricating material can be attached to a key part with serious friction loss in a fixed point manner to play a lubricating role, and can maintain low foaming property and high lubricating property after repeatedly entering an underground high-temperature environment, so that technical support is provided for well drilling construction operation.

The invention belongs to the technical field of berth distribution, and discloses a dry bulk cargo wharf berth distribution and ship loader combined dispatching system based on self-adaptive MOEAD. The invention provides a dry bulk cargo wharf berth allocation and ship loader combined dispatching system based on self-adaptive MOEAD. The system comprises an input module, an algorithm module, a berth allocation module, a loading and unloading dispatching module, a notification module, a control module, a loading and unloading operation module and a port leaving module. The input module is connected with the scheduling module and is used for inputting a ship plan table; the scheduling module is connected with the berth distribution module and the loading and unloading scheduling module and is used for scheduling through a scheduling algorithm; the berth distribution module is connected with the notification module and is used for carrying out berth distribution on the ship; and the loading and unloading scheduling module is connected with the control module and used for scheduling loading and unloading equipment. The operation efficiency of port loading and unloading is improved. The energy consumption of port loading and unloading equipment is reduced; the algorithm is high in convergence speed and has good convergence and distribution.

The invention relates to the technical field of heat dissipation of microelectronic components, in particular to a phase-change heat dissipation device with a spiral coil structure for a microtube heating component, which comprises a base tube, an inner-layer heat dissipation assembly and an outer-layer heat dissipation assembly, and is characterized in that the inner-layer heat dissipation assembly comprises a phase-change heat dissipation layer arranged in a tube shell and a heat source micro-pipeline embedded in the phase-change heat dissipation layer; comprising an outer-layer heat dissipation component inserted into a phase change heat dissipation layer, a heat removal component arranged on a tube shell, an air inlet component arranged on the heat removal component and a driving component arranged on the tube shell, through the arrangement of the outer-layer heat dissipation component, a heat dissipation plate conducts heat dissipation on the phase change heat dissipation layer, the heat dissipation area is increased, and through the arrangement of a heat dissipation cover, the heat dissipation effect is improved. Passive heat dissipation and active heat dissipation are combined, and the efficiency of passive heat dissipation is improved.

The utility model relates to a battery shell, a battery, a battery pack and electric equipment, the battery shell comprises a shell and a pole assembly, the shell is provided with two mounting surfaces which are oppositely arranged, the pole assembly protrudes out of one of the two mounting surfaces, the other one of the two mounting surfaces is provided with a pit, and the pit is used for accommodating the pole assembly when the battery is stacked to the other battery. And the relative distance D between the depth # imgabs0 # of the pit and the two mounting surfaces meets the condition that # imgabs1 # / D is greater than or equal to 0.1 and less than or equal to 0.8. According to the technical scheme, the pit can avoid the pole assembly of another battery, the pole assembly does not occupy the mounting space of the battery any more, one of the two mounting surfaces of the battery is attached to the other one of the two mounting surfaces of the other battery, when the batteries are arranged in a stacked mode, no gap is generated between the batteries any more, and the battery assembly is convenient to assemble and disassemble. And the space utilization rate is higher.

The utility model discloses an overhanging type disc buckle type edge protection structure for building main body construction, a beam plate bottom die support of a building main body adopts a disc buckle type supporting frame, the edge protection structure adopts an overhanging structure and comprises a plurality of overhanging type tripods and edge protection rails which are arranged side by side, a dense mesh is hung on the edge protection rails, and the dense mesh is connected with the overhanging type tripods. A transverse horizontal rod I is arranged at the top of the overhanging tripod, the overhanging end of the transverse horizontal rod I is connected with the socket assembly, and a safety net is hung below the transverse horizontal rod I; the edge-adjacent protective rail is installed on the socket assembly and connected with the first connecting disc at the upper end of the vertical rod on the outermost side of the disc buckle type supporting frame through a transverse horizontal rod II. The floor type double-row external scaffold can be suitable for construction of a building main body without external wall masonry, is small in steel pipe consumption, small in erection and disassembly labor, high in material utilization rate and good in economical efficiency, and can solve the problem that the construction cost of erection of the floor type double-row external scaffold is high.

The invention discloses a phosphate-solubilizing bacterial agent for promoting plant phosphorus absorption as well as a preparation method and application of the phosphate-solubilizing bacterial agent. The phosphate-solubilizing bacterial agent provided by the invention has a remarkable phosphate-solubilizing function, can effectively promote the absorption of phosphorus by plants, solves the problem of low utilization rate of phosphorus in soil, effectively relieves growth stagnation and yield reduction caused by phosphorus deficiency of the plants, and remarkably improves the growth and development of the plants and increases the biomass of crops.

The utility model belongs to the technical field of TPU (thermoplastic polyurethane) production, and particularly relates to a feeding device for TPU production, which comprises a base, a support is fixedly connected to the top of the outer surface of the base, a first motor component is fixedly connected to one side of the outer surface of the support, and a spiral feeding device is mounted at the output end of the first motor component. The top of the outer surface of the spiral feeding device is fixedly connected with a feeding hopper, one side of the outer surface of the spiral feeding device is fixedly connected with a feeding pipe, the top of the outer surface of the feeding hopper is provided with a cleaning structure, and one side of the outer surface of the feeding pipe is provided with a dredging structure. By arranging the brush, the inner wall of the feeding hopper can be cleaned, so that the situation that some rubber products remain on the inner wall of the feeding hopper, the utilization rate of raw materials is reduced, the machining cost is increased is avoided, and meanwhile the situation that the bottom of the feeding hopper is blocked due to the remaining raw materials, and the feeding process is seriously affected is avoided.

The invention belongs to the technical field of rock and soil center survey, and particularly relates to a tunnel face surrounding rock grade prediction method and system based on ultrasonic while drilling, and the method comprises the steps: obtaining ultrasonic while drilling parameters of a tunnel face drilling test; calculating a tunnel face drilling coefficient based on the obtained while-drilling ultrasonic parameters, and constructing a drilling coefficient-surrounding rock grade relation library; and obtaining the surrounding rock grade of the current tunnel face according to the ultrasonic while drilling parameters of the current tunnel face and the constructed drilling coefficient-surrounding rock grade relation library, and completing the prediction of the surrounding rock grade of the tunnel face based on the ultrasonic while drilling. According to the method, the current tunnel face surrounding rock grade is efficiently and accurately predicted through the drilling parameters, the field data acquisition efficiency is improved, the dependence on the working experience of field operators is avoided, the construction cost is reduced, and engineering disasters are prevented.

The present disclosure is about a method and device for processing flow data, a storage medium, and an electronic device, and relates to the fields of network technology and security technology. The method includes: obtaining flow data to be transmitted and a target program identifier of a target client that generates the flow data to be transmitted; matching a target time slot and a target sub-time slot corresponding to the target client in a flexible Ethernet group according to the target program identifier; wherein the target time slot and the target sub-time slot are configured according to the service category of the target client; generating a flow message to be transmitted according to the flow data to be transmitted, the coding sequence number of the flexible Ethernet group, the target program identifier, the target time slot, and the target sub-time slot; transmitting the flow message to be transmitted to the opposite network device based on the target time slot and the target sub-time slot. The present disclosure improves the utilization rate of bandwidth.

The invention provides a coal-water cooperative control method and a coal-water cooperative control device based on water quantitative control. The method comprises the following steps: acquiring water volume data in a coal production process in real time; the water volume data are input into a control strategy model, the water volume data and a preset control rule are analyzed and processed through the control strategy model, a control instruction is generated, the control strategy model is a mathematical model constructed according to training data and a control algorithm, the training data at least comprise sample water volume data and a corresponding sample control instruction, and the sample control instruction is a preset control instruction; the control instruction is used for adjusting the water-coal proportion in the coal production process; a corresponding actuator is adjusted according to the control instruction so as to dispatch and distribute water resources in the coal production process, and the actuator at least comprises a water pump and a valve. The problem that the utilization rate of water resources is low due to the fact that real-time response to water quantity changes in the coal production process is lacked in the prior art is solved.

The present invention provides a solid-state battery in which the utilization factor of a negative electrode active material at the time of charge-discharge is more sufficiently high if the content of an conductive additive is lower. The present invention relates to a solid-state battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, where the negative electrode layer 2 includes an conductive additive 200 in an elongated shape in section view, made of a metal material, at 7% or more and 28% or less in area ratio with respect to the negative electrode layer.

The invention provides equipment and a method for preparing a fuel and desulfurizer composite material from sludge and biomass. The equipment comprises a sludge storage, transportation and charging unit, a biomass treatment and charging unit, a limestone treatment and charging unit, a stirrer, a dehydration device, a granulator and a product bin. According to the invention, sludge, biomass and limestone are used as raw materials, and according to the characteristics of the raw materials, through a certain ratio and a preparation process, the dual functions of sludge and biomass co-processing as a fuel and a desulfurizer are realized. The prepared composite material is high in calorific value, heat self-sustaining of boiler combustion can be achieved, and a large amount of primary energy is saved; meanwhile, in the combustion process, the composite material can form huge pores, a higher specific surface area is provided for desulfurization reaction, and compared with traditional limestone in-furnace desulfurization, the desulfurization efficiency can be integrally improved, and the effective utilization value of solid waste resources is maximized.

A cement pipe internal and external repair device includes a hydraulic lifting assembly, an inner diameter telescopic rod, a first internal and external repair assembly, and a second internal and external repair assembly. The inner diameter telescopic rod is connected to the lower part of the hydraulic lifting assembly, and a rotary motor is provided between the hydraulic lifting assembly and the inner diameter telescopic rod. The first internal and external repair assembly is located at one end of the inner diameter telescopic rod, and the second internal and external repair assembly is located at the other end. This invention features an inner diameter telescopic rod, which adjusts the diameter to accommodate the inner diameter requirements of different cement pipe models. The first and second internal and external repair assemblies are equipped with wall thickness telescopic rods, which adjust the distance between the inner and outer repair brushes, making it suitable for repairing cement pipes of different models and wall thicknesses. This solves the problem that existing repair devices cannot be adjusted to adapt to the internal and external wall repair of different cement pipe models, resulting in low device utilization.

The present application discloses a method for improving the activity of stainless steel slag, which relates to the technical field of comprehensive utilization of resources. The method for improving the activity of stainless steel slag includes the following steps: placing hot stainless steel slag in a hot soaking pit or a slag pot, and hot soaking and spraying water for cooling to 100°C - 1000°C; introducing carbon dioxide in the first stage (pressure 0.1 - 0.5 Mpa, time 0.5 - 2 hours) into the container, and spraying water synchronously (the amount of sprayed water is 0.3 - 0.7 times the mass of the slag); then introducing air (pressure 10 - 15 Mpa, time 0.5 - 1 hour); then introducing carbon dioxide in the second stage (pressure 0.2 - 0.6 Mpa, time 1 - 2 hours), and spraying a small amount of water synchronously (the amount of sprayed water is 0.03 - 0.08 times the mass of the slag); after cooling, highly active stainless steel slag is obtained. With the collaborative design of staged gas introduction and spraying water for cooling, the content of free calcium oxide in the stainless steel slag is less than 2%, and the activity index reaches the standard of primary steel slag powder, greatly improving the resource utilization rate. At the same time, the fixed emission reduction of carbon dioxide is achieved, which helps with resource recycling and low-carbon development.