196results about How to "Easy operation and maintenance" patented technology

The invention provides an electro-hydrogen ammonia heat co-production device and method taking biomass gas as a raw material. The device comprises an oxygen supply chamber, a fuel cell layer, a methane reforming hydrogen production chamber, an electrolytic bath layer, a synthesis ammonia chamber and a cooling water chamber, the electro-hydrogen ammonia heat co-production device taking the biomass gas as the raw material adopts a multi-layer sleeve type structure and is sequentially provided with an oxygen supply chamber, a fuel cell layer, a methane reforming hydrogen production chamber, an electrolytic bath layer, a synthetic ammonia chamber and a cooling water chamber from inside to outside. The invention provides an electricity-hydrogen-ammonia-heat co-production device and method taking biomass gas as a raw material, the biomass gas is taken as the raw material, electricity generation, hydrogen production, ammonia synthesis and heat supply are integrated in the same device, an electricity-hydrogen-ammonia-heat co-production system is formed in cooperation with auxiliary facilities, and a co-production method of the electricity-hydrogen-ammonia-heat co-production system is provided. The system is high in integration level, beneficial to investment reduction, low in equipment complexity, convenient to operate and maintain, and beneficial to large-scale popularization and efficient production.

The invention discloses a self-adaptive configuration method and system for a credential platform. Configuration information of different services on each node in the same cluster is configured in the same target terminal. And respectively carrying out adaptive configuration and installation package deployment in the target terminal according to the operating system type and the system architecture type. And after the setting is completed, entering a pre-starting environment through the boot file, and entering a virtual system. And after the virtual system is entered, performing configuration of a silent installation file to complete deployment of the credential and credential platform. The method simplifies the configuration process of different services on each node in the same cluster, can update the configuration information in real time, enables the configuration information to take effect without restarting the service, achieves the hot configuration effect, enables the operation and maintenance to be more visual, convenient and rapid, increases a configuration automatic rollback mechanism, and improves the efficiency. Under the condition of configuration errors, the cloud platform can still run normally, and the stability and fault tolerance of the platform are improved.

A fault diagnosis and state evaluation method for GIS ultrahigh frequency partial discharge signals is characterized by comprising the following steps: S1, based on a physical model of GIS partial discharge typical defects, adopting a specific test loop to carry out a discharge test, collecting ultrahigh frequency partial discharge signals of multiple power frequency periods of different defects, grouping the signals, and carrying out fault diagnosis and state evaluation on the signals; each group comprises a predetermined number of power frequency periodic signals; s2, calculating a partial discharge statistical characteristic quantity, and performing normalization processing to form a data sample corresponding to each group of partial discharge signals; s3, the data samples are regarded as observation values in clustering, different total clustering numbers k are selected, K-means clustering analysis is carried out on each k value, and in-cluster distance sum of squares (WCSS) under each clustering result is calculated; S4, a relation curve of WCSS-k is drawn, and an elbow rule is adopted to preliminarily judge the optimal clustering number; and S5, calculating absolute values of Pearson's correlation coefficients between the WCSS and k under different k values, and when rho begins to rise to be close to 1, determining an optimal clustering number kopt as final clustering output. The optimal clustering number kopt determined by the method can effectively distinguish and classify GIS partial discharge ultrahigh frequency signals, so that different types of discharge signals are distinguished, and powerful support is provided for effective diagnosis of GIS partial discharge defects.

The invention relates to the technical field of optical lenses, and discloses an N-in-one free-form surface street lamp lens design method convenient for operation, maintenance, management and maintenance and a lens, the method comprises the following steps: determining an illumination demand of a target illumination scene, and generating first illumination demand data; obtaining historical lens design parameters and historical lighting effect data of a plurality of LED street lamp lighting projects, and generating second historical optimization data; based on the second historical optimization data, establishing a mapping model between the free-form surface parameters and the illumination effect through a machine learning algorithm; an initial free-form surface is generated, region division and optimization are carried out, and finally an optimized lens scheme is obtained; the lens comprises three sub-areas, namely a central area, a transition area and an edge area, a final design scheme is generated through simulation verification and test optimization; according to the LED street lamp lens, efficient and accurate LED street lamp lens design is achieved, the illumination uniformity and the visual comfort degree are improved, plane light emitting is adopted, and follow-up operation, maintenance and management are facilitated.

The invention relates to the technical field of dehumidification, in particular to dehumidification equipment, and solves the problems that the dehumidification efficiency of an evaporator is not high and the dehumidification can only be carried out in a single condensation and dehumidification mode due to the fact that condensed water drops on the surface of the evaporator cannot be effectively removed by existing dehumidification equipment in a pharmaceutical and chemical production workshop. According to the technical scheme, the device comprises a device shell, an air inlet fan, an air inlet pipe, an evaporation box, an air outlet pipe, an evaporator, a sliding strip, scraping sponge, an abutting plate, a push rod, a telescopic piece, a driving plate, an air outlet and a drying filter element, a first driving assembly is arranged on the push rod, and clamping columns clamped with the drying filter element are slidably connected to the two sides of the device shell; a second driving assembly is arranged on the clamping column. According to the equipment, condensation dehumidification and adsorption dehumidification can be combined for use, condensed water drops on the surface of the evaporator in the condensation dehumidification process can be removed, a drying filter element in the adsorption dehumidification process can be conveniently replaced, and the dehumidification effect and efficiency are effectively improved.

The invention provides a portable sludge collection and treatment system for rural distributed domestic sewage treatment equipment, and relates to the related technical field of rural domestic sewage treatment. According to the main scheme, the device comprises a sludge suction pipe, an electric diaphragm pump, a self-mixing dosing device, a flow divider, a flow dividing pipe, a filter pressing bag, a medicament box, a control box and the like. According to the system, the suction and pumping characteristics of a diaphragm pump are utilized, a sludge suction pipe is used for sucking sludge in a treatment tank, the diameter of sludge particles is increased through a self-mixing dosing device, the flocculation condition of the sludge is checked through a flow divider, and finally, a filter pressing bag is used for carrying out sludge-water separation on a sludge-water mixture. According to the invention, the problems of difficult sludge collection, small point, large amount and high cost of the decentralized rural domestic sewage treatment facility are solved, the difficulty of sludge collection and disposal of the decentralized rural domestic sewage treatment facility is reduced, and the standard-reaching rate of rural domestic sewage effluent is improved.

The invention relates to the technical field of ocean engineering deep-sea mining equipment, in particular to a multi-metal nodule desliming device suitable for deep-sea mining, which consists of a mineral aggregate input connecting flange, a mineral aggregate input transition cabin, a mineral aggregate enrichment cabin, a waste discharge cabin, a desliming screen, a screen fixing frame, a screen fixing screw and a waste discharge guide plate. The mineral aggregate input connecting flange is located at the front end of the multi-metal nodule desliming device and used for being connected with the multi-metal nodule collecting and conveying device, the mineral aggregate input transition cabin is tightly connected with the mineral aggregate input connecting flange, and a square opening is formed in the rear end of the mineral aggregate input transition cabin. The shape of the front end of the mineral aggregate input transition cabin is the same as that of the mineral aggregate input connecting flange.

The embodiment of the utility model provides optical terminal equipment and a communication system, which are used for realizing connection between convergence equipment and access equipment, effectively reducing optical fiber resources required by connection between the convergence equipment and the access equipment and detecting whether an optical module is in an in-place state or a separation state. Wherein when the optical module is in the in-place state, the optical module is installed on the optical terminal equipment, and when the optical module is in the out-of-place state, the optical module is not installed on the optical terminal equipment. The optical terminal equipment comprises a fixed frame, a wavelength division multiplexer and M first optical modules, M is any integer not smaller than 1, the fixed frame is provided with the wavelength division multiplexer, a first wavelength division port of the wavelength division multiplexer is connected with a first branch optical fiber, the first optical modules are detachably installed on the fixed frame, and the first optical modules are connected with the first branch optical fiber. And the first optical module is connected with one first wave division port of the wavelength division multiplexer through the first branch optical fiber.

The invention relates to the technical field of energy storage, and discloses a battery cluster, a battery pack number verification method and energy storage equipment. The method comprises the following steps: acquiring the battery cell voltage of each single battery cell in each battery pack; determining the number of battery packs according to the number of the single battery cells and the battery cell voltage; calculating a first voltage according to the cell voltages of all the single cells; collecting a second voltage of the battery cluster; and based on the second voltage and the first voltage, verifying the number of the battery packs to obtain a verification result. The battery pack number is preliminarily determined according to the cell information collected by the control module, and the battery pack number is verified to obtain the accurate battery pack number, so that the battery pack number does not need to be manually configured, mismatching or missed matching caused by manual configuration is avoided, and the battery pack number detection accuracy is improved. Meanwhile, the working state of each battery pack can be accurately monitored according to the accurate number of the battery packs, and the stability and safety of the battery cluster in the operation process can be improved.

The invention relates to a Keystone-based deep ground security heterogeneous data fusion method and system, and the method comprises the steps: deploying a Keystone trusted execution environment on a deep ground edge computing node, creating a security enclave, carrying out the encryption access of multi-source heterogeneous data on the basis of remote authentication and key agreement, completing the space-time alignment and feature extraction after decryption in the enclave, and carrying out the fusion of the multi-source heterogeneous data. And performing cross-modal association analysis and risk assessment based on a preset model or a rule engine to obtain a fusion result, encrypting and signing the fusion result in the enclave, distributing the fusion result to an authorized receiver through a secure channel, and realizing one-time task destruction, long-term task cycle reconstruction and key refreshing in combination with enclave full life cycle management. According to the method, the credibility and the real-time performance of heterogeneous data fusion processing in a complex scene can be improved while the confidentiality and the integrity of deep operation and maintenance data are guaranteed.

This invention discloses a wind-cooled multi-channel solid-state circuit breaker cabinet, comprising a cabinet body and a wind-cooling heat dissipation system. The cabinet interior is divided layer by layer from front to back by longitudinal beams into an isolation zone, a first component mounting zone, a heat dissipation zone, and a second component mounting zone. The wind-cooling heat dissipation system includes air inlets at the bottom of the front and rear doors and air outlets at the top, as well as a heat dissipation structure located within the heat dissipation zone. The heat dissipation structure includes a radiator duct and optional fan assemblies, which can be flexibly configured according to power switching components with different thermal powers to achieve precise and efficient heat dissipation. Each electrical channel has an independent control panel corresponding to the front door, integrating a display screen, indicator lights, and buttons, supporting independent on / off control of multiple circuits. This invention, through reasonable functional zoning and air duct design, solves the problems of low heat dissipation efficiency and poor multi-circuit adaptability in existing technologies, and has the advantages of high heat dissipation efficiency, reasonable layout, convenient operation and maintenance, and good protection.

The application discloses a plastic solid waste recycling device and belongs to the technical field of plastic recycling. A fixed mold assembly is fixedly arranged on an equipment table. A movable mold assembly is movably arranged on the equipment table. A linkage member is movably arranged on the equipment table and is provided with a linkage plug on the side facing the movable mold assembly. An outer wall of the side of the fixed mold assembly facing the movable mold assembly is provided with an insertion block. The outer wall of the side of the insertion block facing the movable mold assembly is provided with a locking cavity. The movable mold assembly is axially provided with a penetrating insertion cavity. The insertion block is slidably arranged in the insertion cavity to realize preliminary locking. The linkage plug is slidably arranged in the locking cavity to realize relocking. The multistage locking structure is matched with the integrated sealing design. After the mold is closed, the locking is firm, the melt pressure in the injection molding process is effectively resisted, the problems of loosening and deviation of the mold are avoided, the sealing performance of the butt joint surface of the mold is greatly improved, the overflow and leakage phenomena are completely eliminated, the quality of the plastic product is ensured, and defects such as flash and uneven wall thickness are reduced.

The invention relates to the technical field of smart classroom attendance checking, in particular to a smart classroom attendance checking system, which comprises an application layer used for configuring Spring Boot framework parameters and starting an application service; the service layer is used for recording, counting, predicting and analyzing classroom attendance; the security layer is used for managing user information and configuring roles and resource access permissions for users; the data layer is used for realizing data interaction among the application layer, the service layer, the security layer, the data layer, the log layer, the front-end layer and the database based on a Mapper interface; the log layer is used for recording a pushing result of the attendance message and a system operation log; the front-end layer is used for constructing a user interface and responding to a request of a user; and the database is used for storing data information of the application layer, the service layer, the security layer, the data layer, the log layer and the front-end layer. Through a modern software architecture and an intelligent algorithm, the efficiency and level of the classroom attendance system are improved.

The invention belongs to the technical field of oil and gas leakage detection and alarm, and particularly relates to a safety valve inner leakage detection prompt sealing gasket and a use method.The safety valve inner leakage detection prompt sealing gasket comprises a sealing washer, a reinforcing ring is embedded in the inner ring of the sealing washer, and a diaphragm piece is fixedly connected to the inner side of the reinforcing ring; the blowing end of the sound production part faces the inner cavity of the safety valve and is used for ensuring that gas from the inner cavity of the safety valve blows the sound production part, and a plurality of cracking grooves are uniformly formed in the diaphragm piece in the radial direction; the safety valve can give a sound alarm when small flow passes through and give a fracture alarm when large flow passes through, can timely discover internal sealing leakage caused by environmental temperature, valve body quality, spring failure, unreasonable adjustment and the like in the production process of the safety valve, especially can timely discover small leakage, provides timely discrimination capability for production abnormity, and improves production efficiency. Production operation and maintenance activities are greatly facilitated, material loss is reduced, production is stable, and the operation and maintenance cost is reduced.

The invention relates to an infrared detection anti-theft device, which belongs to the technical field of server information security, and comprises a case upper cover, a mainboard, a connecting line and an infrared distance measuring sensor module, the infrared distance measuring sensor module comprises an infrared emitting device, an infrared receiving device, a calculation module and an alarm device, the infrared emitting device emits infrared rays to irradiate the upper cover of the case and reflect the infrared rays to the infrared receiving device for receiving, and the calculation module sets the distance value from the infrared distance measuring module to the sheltering object. According to the non-contact infrared alarm device, the sensitivity is higher than that of a mechanical microswitch, the anti-theft performance is higher than that of the mechanical microswitch, the service life is longer than that of the mechanical microswitch, and the operation and maintenance timeliness is better than that of the mechanical microswitch; and the sensitivity and the reliability are greatly improved.

The invention relates to the technical field of engineering structure three-dimensional reconstruction, in particular to an engineering structure reconstruction method and system fusing a laser radar, an inertial navigation unit and stereoscopic vision. The method comprises the following steps: the unmanned aerial vehicle carries a laser radar, an inertial navigation unit and stereoscopic vision equipment; the ROS system based on the unmanned aerial vehicle subscribes sensor topics to obtain a sensor calibration parameter set; according to the sensor calibration parameter set, the three-dimensional point cloud data and the visual image data, performing model construction through a stereo matching algorithm to obtain an initial dense texture point cloud model; based on a tight coupling three-dimensional reconstruction algorithm, fusing data through a geometric consistency algorithm to obtain a final fused point cloud model; and performing dynamic parameter compensation based on a stereoscopic vision dynamic compensation algorithm of an inertial navigation unit and a motion compensation method of the laser radar to obtain an engineering structure multi-source model. The engineering structure three-dimensional reconstruction method combines the laser radar, the inertial navigation unit and stereoscopic vision, and is high in precision and rich in texture.

The application relates to the technical field of Internet of Things data processing, and discloses a local reasoning and abnormality detection method for a wireless sensor network, which comprises the following steps: constructing a hypergraph model according to a sensor node set in the sensor network and corresponding association relations, and defining an energy function; applying a sensitivity constraint to the potential function, so that the potential function satisfies a bounded difference condition; determining a constraint range of coupling strength and a truncation order m; performing local deterministic approximate reasoning to obtain a conditional edge probability of a target sensor node; calculating an abnormality score of the target sensor node, and performing abnormality detection. In the wireless sensor network, a hypergraph Gibbs model with a sensitivity constraint is constructed, and based on strong spatial mixing ensured by theory, the application realizes the probability reasoning of a deterministic error bound only by relying on a limited-step local communication, so that the explainable abnormality detection and positioning are completed on a resource-limited edge device.

The embodiment of the present invention discloses a method, device and equipment for dividing a photovoltaic power station array. The method determines an initial bracket set to be divided, a reference number of brackets corresponding to a reference array, and a reference number of columns corresponding to the reference array, and divides at least one bracket subset corresponding to the initial bracket set based on the reference number of brackets, the reference number of columns and the initial bracket set, thereby realizing preliminary regional division of the initial bracket set, and then dividing each bracket subset based on the reference number of brackets corresponding to the reference array, so as to perform array division in each area of ​​the initial bracket set, obtain a target array division result corresponding to the initial bracket set, realize the partitioned array division of the initial bracket set, make the divided array boundary obvious and closer to the reference array, easy to construct and operate, solve the technical problem of the disordered array boundary divided by the prior art, and reduce the cable installation cost.

The invention relates to the technical field of computers, in particular to a lightweight parallel scheduling management method and system. The method comprises the following steps: receiving a connection request and a parallel computing task request of a computing request node, analyzing the parallel computing task request, generating single computing task data, sequentially and circularly processing computing tasks in a message queue according to priorities from high to low, and generating specific requirements corresponding to the computing tasks; according to each specific requirement, obtaining a calculation execution node of which the calculation node state is an idle state, and preferentially allocating a target calculation execution node of which the idle resource is in the first position; connecting a target calculation execution node, and sending calculation task data to the target calculation execution node; receiving calculation result data returned by the target calculation execution node, and pushing the calculation result data to the calculation request node in a message subscription mode; and receiving a next parallel computing task request, and repeating the steps until the parallel computing task request is executed, thereby realizing parallel computing scheduling of the business application.

The present invention relates to an intelligent operation and maintenance method, system and medium of a medical service operation platform, belonging to the technical field of medical operation platforms. The present invention evaluates access delay feature data based on time series, obtains access delay membership change data within a preset time, thereby constructing an access delay membership prediction model according to the access delay membership change data within the preset time, and predicts the access delay membership of the current timestamp through the access delay membership prediction model, and finally performs access diversion on each access channel of the medical service operation platform based on the access delay membership of the current timestamp. The present invention can evaluate the user access data in each access channel, thereby diverting user access data to abnormal access channels, and can further optimize the operation and maintenance of the medical service operation platform, making the operation and maintenance of the medical service operation platform more reasonable.

This invention discloses a green treatment device for the reuse of metallurgical waste gas, including a gas collecting pipe. The gas collecting pipe is fixedly connected to the exhaust port of an external metallurgical device via a sealing flange. An accelerating pipe is fixedly installed on one side of the gas collecting pipe. A heat recovery device is installed on the gas collecting pipe, and a dust collection device is connected to one side of the accelerating pipe. A conveying device is installed below the dust collection device, and the conveying device is equipped with a dust conveying pretreatment device and an iron powder collection device. The dust conveying pretreatment device includes a semi-enclosed box. This device achieves efficient recovery of waste heat from high-temperature waste gas, resulting in significant energy savings and consumption reduction. Through a heat exchange tube spirally wound on the outside of the gas collecting pipe, the heat in the waste gas is fully exchanged with the waste gas, converting it into hot water that can be directly used for production or domestic purposes, thus improving energy utilization. With real-time monitoring by a flow meter and thermometer, the heat exchange is stable and highly controllable, avoiding the waste of a large amount of heat energy caused by the direct emission of high-temperature waste gas, which is in line with the concept of green and energy-saving production.

The present invention relates to the field of Internet of Things technology, and in particular to a hyper-converged Internet of Things mid-stage system, including: a device management module, a gateway management module, a group management module, a certificate management module, an application management module, a user management module and a database; the device management module is used to manage the registration, update, deletion and query operations of Internet of Things devices; the gateway management module is used to manage the registration, update, deletion and query operations of gateways; the group management module is used to manage the creation, update, deletion and query operations of device groups; the certificate management module is used to manage the application, issuance, revocation and query operations of certificates; the application management module is used to manage the registration, update, deletion and query operations of applications; the user management module is used to manage the registration, authentication, update, deletion and query operations of users; the database is used to store the data of each module. The present invention can improve the efficiency and level of Internet of Things management, and provide support and guarantee for the healthy development of the Internet of Things.

This invention discloses an automated terminal equipment operation status monitoring device and method, belonging to the field of power distribution automation equipment monitoring technology. The device consists of an MCU, a current signal acquisition module, a voltage signal acquisition module, a temperature acquisition module, an A / D converter module, a power supply module, an alarm module, a communication recording module, a data storage module, and a display module. Each module is electrically connected according to a preset configuration to form a complete monitoring architecture. Based on this device, the method sequentially executes the following steps: system initialization self-calibration, multi-source signal synchronous acquisition and preprocessing, fault judgment threshold dynamic correction, multi-dimensional feature fusion fault analysis, hierarchical linkage response and data partitioning storage, and cyclic monitoring. This invention improves the accuracy of fault detection and analysis, can quickly locate faults and respond hierarchically, significantly shortens repair time, effectively improves the operation and maintenance management capabilities of terminal equipment, and ensures the safety of power distribution networks and equipment.

The present invention relates to the technical field of condensate humidification, and in particular to a condensate recovery device and a steam conversion and utilization humidification system, comprising a recovery tank, an opening control mechanism and a steam separation mechanism, which adjusts the filtering effect and opening of a filter tank according to the liquid level in a filter chamber to prevent pollution caused by subsequent recycling of the condensate, affecting the quality of steam produced subsequently, and preventing equipment damage caused by large-flow condensate. The relative motion friction between two filter discs is controlled by the swing amplitude of a separation lever, thereby cleaning the filter tank. In the event of severe blockage, the filter disc is automatically switched to the next area of ​​the filter disc, thereby extending the service life and facilitating operation and maintenance. The device also comprises a condensate recovery unit, a buffer zero pressure unit and a steam generation unit, which collect and reuse condensate and flash steam, thereby saving steam consumption, improving equipment working efficiency, increasing the amount of flash steam generated, reducing the amount of fresh steam used, and ultimately reducing energy consumption.

The utility model discloses a switch cabinet safe operation monitoring device which comprises a partial discharge monitoring device, a high-voltage live-line sensor and a wireless temperature sensor, a high-voltage live-line loop is in wired connection with the high-voltage live-line sensor, the high-voltage live-line sensor is in wired connection with the partial discharge monitoring device, and the wireless temperature sensor is in wired connection with the partial discharge monitoring device. The temperature sensor is in wireless connection with the partial discharge monitoring device, collected data can be read and stored on site and uploaded to a control background through an RS485 interface in a Modbus communication mode, the functions of real-time detection, query, statistics and the like are provided, field debugging and calibration can be carried out through a USB interface, and the real-time monitoring of the partial discharge monitoring device is realized. The partial discharge live inspection and atlas analysis device has the characteristics of modular design, simple design and production process, interference resistance, photoelectric and electromagnetic isolation, convenience in installation, long service life, excellent environmental endurance capability and electromagnetic compatibility, and long-term safe and reliable operation.

The invention relates to the technical field of plateau field safeguard equipment, in particular to a plateau type multifunctional integrated service safeguard cabin, and solves the problems that existing safeguard equipment is difficult in energy supply in a plateau environment, poor in environmental adaptability, single in function and incapable of meeting comprehensive requirements of personnel life, equipment power supply, communication support and the like in scenes such as emergency rescue and field operation. A plateau type multi-energy integrated service guarantee cabin comprises a guarantee cabin body, a heightened base and an energy, intelligent management, environment regulation and control, water purification, unmanned aerial vehicle service and value-added service extension system. The cabin body is made of high-density polyurethane heat insulation plates, a PLC control module, an inverter and an energy system are arranged to achieve light and wind storage and power supply, and all the systems are linked with a PLC as the core. According to the invention, the PLC control module is used as a core for linkage work of all the systems, energy self-sufficiency, intelligent management and control, environment adaptation and multiple services in the plateau environment are realized, logistics guarantee of continuous field operation of multiple persons can be met, and the safety and convenience of field operation are improved.

The utility model provides a transmission chain structure and a wind generating set, and relates to the technical field of wind power hydraulic variable pitch. The transmission chain structure comprises a hub provided with a first containing cavity; the mounting support is connected with a chassis of the cabin; and the force transmission cylinder is rotationally arranged in the mounting support, the force transmission cylinder is connected with the hub, the force transmission cylinder and the hub synchronously rotate, and the force transmission cylinder is provided with a second containing cavity. Parts of the hydraulic variable-pitch system are integrated in the force transmission cylinder and the hub, the force transmission cylinder and the hub rotate synchronously, and a high-pressure oil-electric slip ring connecting the rotating hub and a static cabin is not needed to transmit hydraulic power, so that a leakage path caused by abrasion of a sealing surface of the high-pressure oil-electric slip ring is eliminated by canceling the high-pressure oil-electric slip ring. And meanwhile, part of components of the hydraulic variable pitch system are arranged in the force transmission cylinder, so that the occupied space of the hub is reduced, and the operation and maintenance space of the hub is expanded.

The invention belongs to the field of heat absorption towers, and provides a molten salt pipeline system in a heat absorption tower and the heat absorption tower. Wherein the molten salt pipeline system in the heat absorption tower comprises a molten salt pipeline, a support hanger and a combined support steel beam; the combined supporting steel beam comprises a main beam and a supporting beam; the molten salt pipeline comprises an upper tower cold molten salt pipeline and a lower tower hot molten salt pipeline; the upper tower cold molten salt pipeline and the lower tower hot molten salt pipeline are respectively formed by connecting a plurality of pi-shaped bends end to end; the pi-shaped bend is formed by connecting two bent bends end to end; the bent bend is composed of a first vertical pipe, a first elbow, an inclined pipe, a second elbow and a second vertical pipe which are connected in sequence; the angle of the first elbow and the angle of the second elbow are both smaller than or equal to 75 degrees. The upper tower cold molten salt pipeline and / or the lower tower hot molten salt pipeline are rooted on the corresponding combined supporting steel beams through the supporting hangers; and the upper tower cold molten salt pipeline and the lower tower hot molten salt pipeline are arranged between the main beam and the cylinder wall of the heat absorption tower.

The invention discloses a construction method for integration of an anti-static floor and a cable support of a secondary equipment room of a transformer substation, and relates to the field of transformer substation constructional engineering and electrical installation. Traditional construction has the problems of long construction period, different quality, poor operation environment and inconvenience in later debugging. The method comprises the following steps: measuring and typesetting on site, and setting an elevation control line and a division positioning line in an elastic manner; cleaning the terrace and laying a grounding cable led out from the main grounding grid in advance; the cable support is positioned and assembled according to the grid division positioning lines, the cable support is reliably connected with the grounding cable, and a groove box cross arm of the cable support is used for bearing the cable; and after the cable is laid, an anti-static floor is installed at the top of the cable support, and edge closing treatment is carried out. According to the method, on-site efficient assembly is achieved through the standardized and modularized construction process, the construction period is shortened, the quality is improved, and the operation and debugging environment is optimized.

The invention provides a method for preparing desalted water from coal chemical industry reuse water. The method specifically comprises the four steps of pretreatment, primary reverse osmosis and secondary reverse osmosis treatment, electrodeionization treatment and mixed bed treatment. According to the invention, an electric deionization and mixed bed series connection mode is adopted for operation, compared with mixed bed desalination, the electric deionization technology is more convenient for operation and maintenance, does not need acid-base regeneration and does not generate harmful waste liquid discharge, and the electric deionization is used for desalination before bed mixing, so that the water inlet conductivity of the mixed bed can be reduced to be not higher than 0.5 [mu] s / cm; the method is simple and convenient to operate and maintain, high in inflow fluctuation resistance, stable in effluent quality and low in operation cost, acid and alkali consumption and harmful waste liquid discharge are greatly reduced, and the requirements of coal chemical boiler water and process water are met.