158results about How to "Achieve security" patented technology

The invention relates to the technical field of intelligent control, in particular to an intelligent control system for a freeze-drying process based on an intelligent algorithm, which comprises an acquisition module, a freezing adjustment module, a primary adjustment module and a secondary adjustment module. According to the method, the corrected plate layer temperature after incomplete freezing is accurately recognized according to double criteria of the freezing center temperature and the temperature drop trend, and after the drying efficiency deviation degree is calculated and the abnormal type is determined by utilizing the preset efficiency interval, the related preset process conditions are adjusted; meanwhile, stagnation and overheating runaway are independently diagnosed and analyzed on the basis of time sequence correlation of the water content decreasing rate and the center temperature increasing rate, the preorder freezing defect is traced when secondary drying is normal but overtime does not reach the standard, and the slab layer temperature is reduced in an equal proportion according to the freezing defect degree; the problem that the process efficiency and the product quality stability are difficult to consider at the same time due to dependence on artificial experience, stage splitting and lack of dynamic feedback is effectively solved.

The invention relates to the technical field of information management, in particular to a material digital management system and method based on a cloud platform. The method comprises the following steps: acquiring material data; distributing a material storage space by using the material data; receiving an operation message of the storage space, and pushing the operation message to an inventory database; creating a circulation record table and an inventory state table; using the operation message in the inventory database to update a circulation record table, and recording circulation data; automatically updating an inventory state table according to the circulation data so as to determine the material inventory capacity; when the material inventory capacity is lower than or equal to a preset safety inventory threshold value, management early warning information is generated; and when the material inventory capacity is higher than a preset safety inventory threshold value, updating the management safety field of the inventory state table. The material inventory is monitored in real time based on the information management technology, the replenishment information is intelligently generated, inventory dynamic management is achieved, and the material management efficiency is improved.

This utility model belongs to the field of high-rise fire rescue technology, and specifically relates to a high-rise fire rescue drone and ground support device. It includes: a multi-rotor fuselage, comprising a cabin and a water tank; the cabin and water tank are housed within the multi-rotor fuselage; a retractable multi-stage cloud bridge and a folding ladder, the multi-stage cloud bridge being located within the cabin, and the folding ladder being located on the last stage of the cloud bridge. By controlling the extension of the multi-stage cloud bridge, the folding ladder can be connected to a high-rise window sill; a window breaker, symmetrically arranged above the last stage of the cloud bridge, which, by controlling its operation, can break the glass of the high-rise window sill; and a water spray mechanism, respectively located on the front and rear sides of the multi-stage cloud bridge and on the top of the cabin. This utility model solves the problems of limited functionality, low fire extinguishing efficiency, and inability to conduct timely multi-person rescues.

The utility model discloses a variable diameter blowout preventer pipe relates to wellhead sealing blowout preventer technical field, and its technical key points include main pipeline, the top of main pipeline installs first variable diameter pipe, the top of first variable diameter pipe installs second variable diameter pipe, the top of second variable diameter pipe installs the top pipe, the utility model discloses when using, realized through variable diameter pipe group and realized the passage diameter adaptation, and pressure sensor and blowout preventer valve guarantee safety, with the help of flange, U -shaped clamping plate and locking assembly, realize quick firm connection with least three bolts, trapezoidal positioning structure realizes pipeline accurate butt joint, and the overall operation efficiency, safety and convenience are improved.

This invention belongs to the field of disposable hygiene products technology, specifically disclosing a disposable underwear with antibacterial function and its preparation method. The invention involves constructing a three-layer structure: a moisture-wicking layer, a moisture-wicking-absorbent layer, and an antibacterial-moisture-wicking layer. Different properties are imparted to different structures. The moisture-wicking layer and the moisture-wicking-absorbent layer constitute the inner lining layer, mainly achieved by modifying cotton fibers and coating one side of the modified cotton fibers to enhance moisture wicking performance and create a dry microenvironment, thus preventing bacterial growth at the source and achieving an antibacterial effect. The antibacterial-moisture-wicking layer constitutes the pant body layer. By introducing sodium alginate (SA) and ε-polylysine, sodium alginate (SA) not only acts as a "binder" but also cross-links with ε-polylysine to form a stable three-dimensional network structure, "fixing" the antibacterial factors within its structure to achieve the antibacterial purpose. This invention effectively solves the problems of poor antibacterial effect and insufficient moisture wicking in traditional disposable underwear.

This application relates to a flood control emergency response method, device, and electronic equipment for a valley-type dry ash storage yard. The method includes: responding to a preset emergency condition where the water level of the downstream drainage well's tail-end dammed lake meets the required emergency conditions, initiating emergency drainage measures to excavate a flood discharge channel and construct a flood control work surface; using a combination of hydraulic flushing and slurry pumping to clean the surrounding sediment deposits of the upstream drainage well; and after the drainage functions of both the downstream and upstream drainage wells are restored, reshaping the ash surface morphology of the entire valley-type dry ash storage yard based on the flood control work surface to construct a flood discharge system with the drainage wells as the lowest control points within the yard. This solves the problems in related technologies where heavy rain causes drainage wells to be buried by sediment, leading to drainage system failure, rapid rise in water level within the storage yard, and a lack of systematic emergency response measures, resulting in a sharp shortening or even disappearance of the dry beach in front of the dam, posing a risk of ash water overflow and dam collapse.

The utility model belongs to the technical field of sports equipment, especially relate to a kind of outdoor adjustable resistance, theftproof power training counterweight mechanism.Application is used to outdoor power fitness equipment, and outdoor power fitness equipment includes main body frame and force arm, and force arm is rotatably connected to main body frame, and it includes: counterweight rotating frame, and counterweight rotating frame end rotatably connected to force arm.Sleeve adjusting assembly is slidably connected to counterweight rotating frame;Counterweight is connected with sleeve adjusting assembly.No need to adjust the quantity of counterweight, it is more convenient to adjust, easy to install, and simple to operate.Secondly, the gravity center of counterweight is stable, and counterweight rotating frame is rotated to realize light and safety during rotation.In addition, simple structure, easy to package and transport.Counterweight rotating frame, sleeve adjusting assembly and counterweight are suitable for installation on most outdoor power fitness equipment, and have strong versatility, which is conducive to cost reduction.

The application discloses a battery pack thermal management method for multi-element dynamic thermal load based on multi-objective optimization, calibrates a high-precision heat generation model, optimizes a composite phase change material with high enthalpy and high thermal conductivity and a lotus leaf configuration liquid cooling plate, balances a prediction accuracy and a calculation efficiency of an agent model, introduces a core optimization objective function set of a worst activation criterion, adopts an initialization strategy and a cross variation mechanism for adaptively locking a parameter reasonable search space, solves a multi-objective optimization model based on an improved adaptive genetic algorithm, obtains a corresponding Pareto front solution set, and further combines a TOPSIS decision method to determine optimal configurations of key parameters such as a phase change layer thickness, a liquid cooling flow channel width, an inlet flow velocity and a system delay time, so that the battery pack can be controlled in a complex thermal environment to realize thermal safety and temperature uniformity control with the lowest energy consumption.

The utility model discloses a recycling various waste batteries recycling equipment system, its characterized in that, including conveying device, disassembling device, shredding device, drying device, air guide device, sorting device and flotation device, conveying device includes conveyer, and the battery box and battery cover of battery are set up to split out battery cover mechanism for conveying machine, and the collection mouth of disassembling device is poured into after electrolyte collection in battery box material, and disassembling device includes disassembling machine, and the below of disassembling machine sets up brine pool, and brine pool sets up meshing conveying mechanism and conveys material to shredding device, and shredding device includes shredder, and the below outlet of shredder sets up fire lye pool, and fire lye pool iron class heavy metal class plastic class material is conveyed to sorting device through meshing conveying mechanism, and the black powder class material of deposition is sent to dehydration equipment dehydration through pipeline screw conveying mechanism, and then, using pipeline screw conveying mechanism, the material is sent into drying device. The utility model can make all resources of waste batteries, and process safety, reliable.

This invention discloses a multi-functional integrated structure for a washing machine, including an air collection box module, a defoaming module, and a spraying module. The air collection box module has several non-intersecting air inlet and exhaust chambers. An air inlet bellows is connected to each air inlet chamber, and an exhaust bellows is connected to each exhaust chamber. An NTC sensing sensor is integrated into the exhaust bellows. The spraying module includes a spray pipe and a spray nozzle integrated into the air collection box module, with the spray pipe inserted into the spray nozzle. The defoaming module includes a defoaming sponge and a filter sponge. When the NTC sensing sensor detects foam passing through the exhaust bellows, water is introduced into the spray pipe, simultaneously cooperating with the defoaming module to perform spray defoaming. This invention uses the air collection box module as its core carrier, integrating air intake and exhaust, spray defoaming, and blue oxygen washing and care functions into one unit for the first time. This reduces redundant components, saves internal space, minimizes the impact on overall machine structure stacking, and facilitates compatibility with different models.

The application discloses an automatic replacement system of color photovoltaic adhesive film, and particularly relates to the photovoltaic power station operation and maintenance technical field, comprising a sensing and detecting module, a decision control module, an execution operation module, a material processing and supply module and a safety auxiliary module; the sensing and detecting module is used for acquiring the position, contour and surface state data of the photovoltaic module; the application constructs a three-dimensional grid model of the module through the decision control module, realizes intelligent scoring and global path optimization of the work unit based on a rule base, and generates an optimal work sequence; through adaptive process parameter adjustment in the execution operation module, the hot air power and the winding tension are dynamically adjusted according to the surface color, temperature and defect characteristics of the module, so that the old adhesive film peeling quality and the new adhesive film laying precision are significantly improved; the whole-process automation from detection, decision, execution to quality review is realized, the replacement efficiency and quality consistency are effectively improved, and the work safety is ensured.

This invention discloses a cable tray box and a handcart-type switch cabinet having the same, comprising a box body, a stripping component, an anti-pull component, and a straightening component. The stripping component, installed inside the box body, can strip the cable sheath. The anti-pull component, installed inside the box body, limits the cable winding and prevents the other end of the cable from being pulled or causing the cable end with the terminal to fall off during the stripping process. The straightening component, installed inside the box body, straightens the bent cable, restoring it to a straight state. By integrating the stripping component, the anti-pull component, and the straightening component, this invention achieves precise stripping, effective anti-pull, and automatic straightening, thereby improving cable routing efficiency, safety, and reliability. It solves the problems of inaccurate stripping, easy pulling of cables leading to loosening, and bending caused by clamping that exist in traditional handcart-type switch cabinets during the cable routing process.

This invention discloses a method for maintaining a temporary access road when an elevated trestle bridge passes under an existing railway frame bridge. The existing railway frame bridge is a double-span drainage culvert. The method includes: constructing a traffic culvert on one side of the double-span drainage culvert, while retaining the other side as a drainage culvert; constructing a temporary steel bridge within the traffic culvert to form a construction passage across the bottom slab of the existing frame culvert; connecting the temporary steel bridge with the passages on both sides of the double-span drainage culvert to form a temporary access road; maintaining clearance between the temporary steel bridge and the bottom of the traffic culvert; and spacing between the temporary steel bridge and the two sides of the traffic culvert; the temporary steel bridge is a single-lane bridge with height and width restrictions. This invention enables low-clearance crossing while ensuring smooth drainage during the flood season.

The invention discloses a water-resistant and oil-resistant paper-based coating, a preparation method and a water-resistant and oil-resistant paper product, and belongs to the technical field of paper-based packaging materials. Hydrophobic modification is achieved through the esterification reaction of stearic acid and the chemi-mechanical pulp CNF, meanwhile, high-pressure homogenization treatment is combined, it is ensured that the hydrophobic chemi-mechanical pulp CNF is evenly dispersed, and the hydrophilic problem of the CNF is fundamentally solved; meanwhile, the prepared oil-proof agent takes soy isolate protein as a substrate, sodium-based montmorillonite is matched to form a synergistic oil-proof system, and a hydrophobic chemithermomechanical pulp CNF dispersion liquid and an oil-proof agent dispersion liquid are used for constructing a coating on the surface of a paper base, so that the coating has excellent water resistance and oil resistance at the same time. The coating prepared by the invention has good compatibility with a paper-based material, and subsequent paper can be degraded along with the paper-based material after being discarded, so that the problem of white pollution caused by a polyethylene spraying film is thoroughly abandoned; the chemical-mechanical pulp CNF raw material has the green property of being degradable and renewable, so that the green, environment-friendly, safe and sustainable coating system is realized.

The embodiment of the invention provides a cross-forward isolation data comparison system, method and device, a medium and a product, and relates to the field of data synchronization and verification. The system comprises a first agent which is deployed in an intranet and accesses a source end database through a database connection protocol; the second agent is deployed in an external network and establishes one-way communication connection with the first agent; the first agent is also used for transmitting the source end data of the source end database to the second agent through the forward isolation device through the one-way communication connection; and the comparison service is deployed in an external network, pulls the source end data from the interface of the second agent, and performs comparison operation on the source end data and the target end data. According to the method provided by the invention, the technical problem of data comparison in a cross-forward isolation scene is solved through the design of a double-agent architecture and a user-defined protocol, the security and reliability of data comparison are realized, and efficient and secure data comparison in a strict network isolation environment is realized.

The application discloses a kind of electric truck super-charging facilities collaborative planning method considering traffic network-power grid interaction, according to the energy consumption heterogeneity characteristics of electric truck multi-type transport task, constructs charging demand space distribution model;Introduce node marginal electricity price mechanism, establish the charging station selection equilibrium model with the minimum total cost as target;Based on the theory of direct current optimal power flow model, construct the power distribution network operation model with the minimum total generation cost as target;Build electric truck super-charging facilities collaborative planning model considering traffic-power two network interaction, and carry out transformation processing to obtain several differentiable barrier sub-problems, and solve several differentiable barrier sub-problems using interior point method, obtain the super-charging facility optimization setting scheme of traffic network-power grid interaction.The application solves the collaborative optimization problem of charging facility deployment and power grid impact in the field of port collection and distribution during electric transformation, provides efficient and stable collaborative decision support for port electric truck charging network planning, and has significant application value.

The invention discloses a block chain fragmentation system error fragmentation security guarantee method and system, and the method comprises the steps: transmitting a request message to other nodes in an entrance fragment if a node is a node in the entrance fragment after a security guarantee trigger condition and a round trigger condition are satisfied, and determining a random fragment; after the leader node receives the request message with the preset proportion, a forwarding message is generated and sent to all nodes in the random fragment; after receiving the forwarding message of the leader node, the node in the random fragment generates a state message and feeds back the state message to the leader node; the leader node generates a new cycle message after receiving a preset proportion of consistent state message in the random fragment, and sends the new cycle message to all nodes in the entry fragment; and after receiving the new cycle message, the node in the entry fragment executes a conflict processing operation. According to the method, the situation that the security or activity of transactions in the fragments is threatened due to the fact that error nodes possibly exceed a threshold value in part of the fragments can be handled.

The present application relates to the technical field of nerve stimulation, and discloses a closed-loop vagus nerve precise blocking system and method based on physiological signal feedback, comprising a physiological signal monitoring unit for acquiring physiological signals of an individual in real time; a data acquisition and analysis module connected with the physiological signal monitoring unit, for receiving and analyzing the physiological signals, judging the physiological state of the individual, and generating a feedback signal; a stimulation device unit for outputting an electric stimulation signal based on the feedback signal, so that the vagus nerve stimulation reaches a functional block state; and a closed-loop feedback unit connected with the data acquisition and analysis module and the stimulation device unit, for dynamically adjusting the stimulation parameters according to the feedback signal and controlling the electric stimulation signal of the stimulation device in real time. Through the real-time monitoring and real-time feedback mechanism, the present application realizes functional block of the vagus nerve, and ensures the accuracy, safety and individualization of the inhibition operation.

The application discloses a high-pressure environment large-space multi-component gas partial pressure equalization control method, comprising: obtaining real-time monitoring data of oxygen partial pressure and gas flow rate of each sub-region in a high-pressure cabin, and performing time alignment and coordinate unification to obtain a distributed monitoring data set; performing sub-region gas concentration field reconstruction and gas flow state feature extraction to obtain gas concentration distribution features and gas flow field features; constructing a multi-component gas convection-diffusion dynamic model according to the features; constructing a model predictive controller based on the dynamic model and rolling solving an optimal control sequence; estimating disturbances in real time based on an adaptive disturbance observer, and feeding forward compensating the optimal control instruction according to the disturbance estimate value; and performing air outlet adjustment, oxygen supplement control and fan speed regulation and dynamically adjusting oxygen supplement flow distribution to obtain an equalized multi-component gas partial pressure field. The application realizes accurate equalization control of multi-component gas partial pressure in a large space of a high-pressure cabin, and significantly improves the safety and comfort of the gas environment in the cabin.

This invention discloses a data protection method and system based on field splitting and distributed de-identification. The method includes: an authorized external application splitting sensitive information into several independent fields and sending each sensitive field to a corresponding de-identification service node. Each de-identification service node is independently configured and does not interact with any other data. Based on the complete randomness of the received plaintext data, each de-identification service node generates a locally unique and irreversible mask identifier (MID) using an incrementing algorithm and stores the mapping relationship between the MID and the plaintext data. The MID is then returned to the external application. The application database of the external system does not store any plaintext data of the sensitive fields, and all administrators have no right to access the complete dataset of each de-identification service node. This invention ensures that even if the application database or all de-identification service nodes are compromised, the complete sensitive information cannot be reconstructed, maximizing data security without increasing computational costs.

The application relates to a small hydropower cluster management method, device and equipment and a storage medium, and relates to the technical field of power distribution network operation management.The method comprises the following steps: acquiring cluster operation information and power distribution network operation constraint information of a small hydropower cluster under the condition that the communication state of the small hydropower cluster meets the communication requirement; determining cluster-level constraint information of the small hydropower cluster according to the cluster operation information and the power distribution network operation constraint information; constructing a small hydropower cluster feasible region according to each single-station constraint information and the cluster-level constraint information; the small hydropower cluster feasible region is used for describing all reachable operation states of the small hydropower cluster under the condition that the single-station constraint information and the cluster-level constraint information are met; and the small hydropower cluster feasible region is sent to the small hydropower cluster; and the small hydropower cluster feasible region is used for instructing the small hydropower cluster to self-operate according to the small hydropower cluster feasible region under the condition that the communication state does not meet the communication requirement. The method can meet the management requirement of weak-communication hydropower stations.

This utility model relates to the field of floor mat technology and discloses a car heated floor mat that prevents the four corners from lifting up. It includes a mat body, with connecting posts fixedly connected to each of the four internal corners. Gravity blocks are fixedly connected to both ends of the connecting posts. Two adjacent sides of the gravity blocks are fixedly connected to the outside of the mat body. An auxiliary assembly is fixedly connected to the outside of the mat body. Multiple anti-slip blocks are fixedly connected to the bottom of the mat body, and an anti-pry plate is fixedly connected to the inside of the mat body. In this utility model, by setting connecting posts and gravity blocks at the four corners of the mat body, the four corners of the mat body are prevented from being pried up. The anti-pry plate inside the mat body, in conjunction with the anti-slip blocks, prevents the sides from lifting up during use, thus preventing displacement and side lifting of the floor mat during use and extending its service life.

This invention discloses a thermal energy storage system for pumping large-flow-rate high-temperature molten salt, relating to the fields of solar thermal power generation, nuclear power, and thermal power energy storage. It includes a main molten salt storage tank, a stabilizing tank, a horizontal storage tank, a main circulating molten salt pump, and a salt-reducing temperature-regulating pump. The main molten salt storage tank is connected to the stabilizing tank via multiple pipelines. The outlet of the stabilizing tank is directly connected to the suction inlet of the main circulating molten salt pump via a pipeline equipped with an isolation valve and an air cooler, stabilizing the pump suction flow and enabling large-flow-rate molten salt pumping. The arrangement of one or more pipelines between the main molten salt storage tank and the stabilizing tank reduces the height of unusable molten salt in the main molten salt storage tank, saving costs. An air cooler is installed after the stabilizing tank to ensure safe isolation during isolation valve maintenance. This invention addresses the need for pumping large-flow-rate high-temperature molten salt in solar thermal power plants or nuclear power plants of 350MW or above, while also adapting to the requirements of long-term, uninterrupted low-speed pump operation.

The utility model discloses a carton paging FRID (radio frequency identification) electronic tag plane labeling machine which mainly comprises a rack, a paging component, a label conveying device, a labeling device, an RFID reader-writer, a code reading detection component, a removing conveying component and a collecting conveying component. The paging part is located on the left side of the equipment, and the labeling conveying part is installed above the rack and connected with an outlet of the paging part. And the labeling device is mounted above the label conveying device. And the RFID reader-writer is fixedly mounted on the right side of the labeling device. The code reading detection assembly is fixedly installed below the labeling conveying assembly. An inlet of the removing conveying component is connected with a label conveying outlet, and the collecting conveying component is located on the right side of the removing conveying component. According to the labeling conveying device, the labeling conveying number can be increased or decreased according to requirements by labeling conveying users, so that the labeling device is suitable for labeling cartons with different areas. Through the swinging removing conveying component, defective products are removed accurately and timely, the production efficiency is improved, and real-time monitoring and tracking, safe anti-counterfeiting and traceability of packaged products are achieved.

This invention relates to the field of key management technology and discloses a method for secure key migration and centralized distribution in distributed virtualization environments. The system works collaboratively with a centralized key management service (CKMS) and a local security module (LSM). When LSM detects virtual instance migration, CKMS, based on a multi-dimensional dynamic trust assessment mechanism, approves key migration only when the risk of the target node meets the threshold. Subsequently, CKMS generates an encrypted drift key encapsulation structure (DKE) and securely transmits it to the target node via an optimized path, while the source node securely deletes the original key. Furthermore, CKMS synchronously maintains global key version consistency and utilizes graph structure anomaly detection technology to identify potential threats by analyzing the operation relationship graph. This invention achieves secure, controllable flow and centralized management of keys during the migration process.

The present application relates to the technical field of agricultural internet of things, in particular to a crop straw carbonization system based on internet of things, which comprises a temperature distribution regulation module, a carbonization process analysis module, a quality prediction optimization module, a dynamic calibration module and a safe storage management module.In the present application, the internal thermal field distribution of the carbonization equipment is accurately identified and divided in multiple levels, the heating law of the straw is dynamically analyzed, the heat transfer rate and distribution density are optimized, the energy efficiency and the uniformity of the carbonization reaction are improved, the energy efficiency optimization and product quality improvement are realized based on the distribution law of the pyrolysis products and energy consumption data, the quality stability and consistency of the biochar are maintained through dynamic prediction and offset correction, the operation error is automatically repaired by the real-time calibration mechanism, the carbonization process is maintained in the optimal state for a long time, the data security partitioning and traceability are realized by combining the encrypted data storage path, and the intelligence, energy efficiency control, uniformity and data security and reliability of the carbonization system are comprehensively improved.

This application belongs to the field of robot control technology and discloses a method and system for risk prediction and safety control of industrial humanoid robots in complex industrial environments. The method includes: dividing the robot's hand perception area and setting area perception confidence parameters; real-time acquisition and preprocessing of multimodal tactile time-series data (normal force, shear force, micro-vibration, and temperature) output by the electronic skin during operation; identifying contact events and contact areas based on this data and extracting a set of contact state time-series features; subsequently modulating this feature set using the area perception confidence parameters; predicting contact instability risks based on the modulated feature set; and finally combining the prediction results with the area perception confidence parameters to generate a safety control strategy. This invention achieves differentiated early identification and safety control of potential hazards in different contact areas, improving the safety, stability, and operational efficiency of robots in complex industrial scenarios.

The application discloses a heterogeneous energy collaborative prediction and scheduling method considering source-load low-carbon characteristics complementation and matching, relates to the technical field of power system source-load prediction and low-carbon scheduling, and comprises the following steps: based on Laguerre polynomials, pseudo-inverse learning and integrated learning, robust local mean decomposition (RLMD) and weighted permutation entropy (WPE), a wind power (WP), photovoltaic power (PVP) and power load (PL) prediction model is constructed, which takes into account the prediction accuracy and stability; a HECM mathematical model is constructed, the HECM mathematical model framework comprises an integrated flexible operation mode of carbon capture power plant (IFCCPP), a wind farm (WF), a photovoltaic power station (PP), a concentrated solar power (CSP), a load active demand response (LADR), a ladder carbon trading mechanism (LCTM), an objective function and related constraints; in the source-load prediction, the two targets of accuracy and stability are considered simultaneously, a compromise solution is selected in the Pareto frontier through the MORUN algorithm, and the wind power, photovoltaic power and power load prediction results are more suitable for the power system scheduling scene with high robustness requirements.

A multifunctional waterproof board steel reinforcement trolley, the controller, the fire water tank, the water pump, the camera, the working face range finder, the second lining range finder, the inverted arch range finder bolted and fixed on the waterproof board steel reinforcement trolley; the water pump, the longitudinal pipeline are connected through the pipeline connection; the automatic drooping fire nozzle, the automatic ordinary fire nozzle are connected with the longitudinal pipeline; the second lining range board is bolted on the front end of the second lining concrete trolley, and the inverted arch range board is bolted on the side of the trestle girder. Through the recognition of the fire, the fire nozzle is controlled to extinguish the fire in the first time, the safety of the place where the tunnel is most prone to fire is realized; through the real-time measurement of the laser range finder, the relative distance between the working face and the inverted arch and the second lining concrete is calculated, the automatic and real-time measurement of the safety step and the early warning are realized, and the safety of the tunnel construction is ensured through the related functions and methods of the multifunctional waterproof board steel reinforcement trolley.

A dialysis concentrated solution preparation system comprises a main machine, a dialysis powder bag body and accessories, the main machine is an all-in-one machine and comprises a plurality of independently controlled dissolution stations, each station is provided with a multi-mode dissolution device, and the multi-mode dissolution device integrates three working modes of a mechanical shaking mechanism, an ultrasonic generator and a magnetic stirrer. The hemodialysis powder bag body comprises a flexible bag body, the flexible bag body is designed to be foldable, and hemodialysis dry powder is contained in the flexible bag body. The dialysate can be prepared and used on site, and the efficient and flexible liquid preparation effect is achieved through the liquid preparation system.