72results about How to "Improve engineering efficiency" patented technology

According to the modified fiber mining filling material and the preparation method thereof provided by the invention, through a dual modification technology of plasma treatment and a silane coupling agent, the uniform dispersity of fibers in a cementing agent is enhanced, and the properties such as rapid hardening, early strength and compressive strength retention rate of the filling material are remarkably improved. The filling material comprises cement clinker, solid waste, a retarder, an early strength agent, modified fibers, an accelerator, gypsum, a water reducing agent, a suspending agent and other raw materials, the modified fibers are treated through specific steps, surface functional groups are increased, and the compatibility and binding power of the modified fibers and a cementing agent are improved. The filling material disclosed by the invention has the advantages of good transportability, simplicity and convenience in construction, low cost and environmental protection characteristic, conforms to the development trend of green mining industry, is particularly suitable for being applied to mine filling and supporting, and has wide application prospects and social and economic values.

The invention discloses an electroosmosis repairing device for waste sludge decontamination and dehydration and a using method thereof.The electroosmosis repairing device comprises a bottom plate, an anode shell and a top plate which are sequentially connected, an electric rotor is arranged on the surface of the side, away from the anode shell, of the top plate, and a cathode electrode is arranged in the anode shell; one end of the cathode electrode extends out of the top plate and is connected with a vacuum water storage barrel which is connected with a vacuum pump; the anode shell and the cathode electrode are connected with a power supply; a sludge collecting barrel is arranged on one side of the bottom plate away from the anode shell; and a plurality of rotating rods and water collecting grooves are arranged on the surface of the cathode electrode. The use method comprises the following steps: pouring the waste sludge and the additive; the sludge is stirred; closing the electric rotor, carrying out electroosmosis treatment, and pumping water in vacuum; stirring at intervals; collecting the slurry; and power-off cleaning. According to the invention, reduction solidification, harmless treatment and resource recovery in the sludge treatment process are combined into an integrated process, so that the engineering efficiency is greatly improved, and the energy loss is reduced.

The utility model relates to an assembly type composite floor slab. The assembly type composite floor slab comprises a shear wall tension brace combined formwork system, a multi-rod synchronous adjustment unit type independent supporting system, a post-cast strip wet connection hanging formwork system, a three-dimensional container type stacking frame, a height-adjustable composite floor slab and a composite floor slab overhanging I-steel local stiffness reinforcing and fixing system which are adopted for assembly type composite floor slab construction. By the adoption of a modular assembly mode, time and labor cost can be saved, engineering efficiency can be improved, construction is convenient and fast, the device has great significance in improving the construction period, reducing waste and promoting environment-friendly practice, and the device has wide application prospects.

The invention relates to the technical field of thermal power construction, and provides a dangerous point pre-control management method in thermal power construction, which comprises the following steps of: acquiring historical dangerous point data, performing classification and feature extraction, analyzing potential influence by utilizing a virtual evolution technology, and training a dangerous point prediction model; according to the method, dangerous point prediction is carried out through the dangerous point prediction model, dangerous events are effectively prevented through graphical display and real-time pre-control instruction execution, meanwhile, through a continuous optimization and feedback mechanism, the dangerous point prediction precision and the pre-control effect are improved, the safety of a thermal power construction project is improved, and the safety of the thermal power construction project is improved. According to the invention, the problem of insufficient prevention of non-occurrence of dangerous points in the prior art is solved, and the accuracy and advancement of dangerous point pre-control are improved.

The invention discloses an integrated geotechnical bag side slope protection system and an assembly type construction method thereof, relates to the technical field of side slope protection engineering, and aims to solve the problems that filling aggregates in traditional geotechnical bags are usually single, the stacking mode between the geotechnical bags is simple and direct, the integrity between bag bodies is poor, and the construction cost is high. The geotextile bag has the problems of low strength, easiness in breakage, difficulty in degradation and the like, and comprises a standard geotextile bag 1, a standard geotextile bag 2, filler and a connecting structure. The high-strength environment-friendly building material has good strength and environment-friendly performance. By means of the reasonably-designed connecting structure, firm connection of a plurality of geotechnical bags can be achieved, a continuous protective wall is formed, the phenomena of water and soil loss, erosion, landslide and the like are effectively prevented, the safety and stability of civil engineering are improved, meanwhile, green plants are planted on the upper layers of the geotechnical bags, pollution to the environment is avoided, and the requirements for environmental protection and attractiveness are met.

The invention discloses a geotechnical bag suitable for a capillary barrier, a slope protection structure and a construction method of the geotechnical bag and the slope protection structure, and belongs to the field of slope engineering.The geotechnical bag comprises a prismatic table-shaped bag body, and the interior of the bag body is divided into a first filling cavity, a second filling cavity and a third filling cavity from left to right through two first geogrids which are arranged in parallel; the interior of the bag body is filled with aggregate through the first filling cavity, the second filling cavity and the third filling cavity, and the aggregate comprises coarse aggregate filled in the first filling cavity, fine aggregate filled in the second filling cavity and organic soil filled in the third filling cavity. According to the geobag suitable for the capillary barrier, the slope protection structure and the construction method of the geobag, the internal structure of the geobag is partitioned through the geogrid, a continuous protection wall is formed, the problems that a traditional geobag is poor in integrity, low in strength, prone to damage and not prone to degradation can be effectively solved, the safety and stability of a project are improved, and the service life of the geobag is prolonged. Meanwhile, good environment-friendly performance is also realized.

The invention provides a multi-solver CFD self-correction method and system based on semantic orchestration, and the method comprises the steps: carrying out the retrieval and slot filling processing of multi-modal input, and generating a simulation intention intermediate representation; carrying out structured verification, default completion and mechanism examination to obtain reachability classification; mapping is established for a CFD solver, and short-distance concurrent trial running and preferential long-distance running are carried out on an equivalent example and job description compiled into a target solver through a mixed strategy; the method comprises the following steps: collecting a structured fingerprint in a running period, generating a minimum change set only reaching a necessary field when a triggering condition is established, writing back to an intention layer, and automatically recompiling and continuing running after the intention layer is formed; and introducing a physical information neural network and a digital twinborn body to provide suggestions or approximate fields, generating reports, and performing Hash signature archiving on measurement point and section data. According to the method, the correctness and the traceability are ensured, and meanwhile, the one-time runnability, the cross-solver transportability and the engineering efficiency are remarkably improved.

The invention discloses an equipment management and control modeling design method and equipment based on digital twinning and a medium, and relates to the technical field of equipment modeling, and the method comprises the steps: obtaining a construction twinning model and a plurality of management and control projects; obtaining a construction sub-model based on the construction twinborn model; acquiring a management and control process; acquiring equipment management and control modeling of the construction equipment, and managing and controlling the construction equipment based on the equipment management and control modeling after the management and control process is started; the method is used for solving the problems that in an existing equipment management and control modeling design method, when engineering equipment where an engineering project is located carries out various engineering projects, the actual engineering project process is affected due to the fact that the management and control position cannot be determined in time when the engineering project is switched only by determining the management and control position; and the engineering efficiency is reduced.

The invention provides an upper and lower reservoir water inlet and outlet fitting slope concrete slip form construction method, and belongs to the technical field of building engineering. The method comprises the following steps: firstly, treating a foundation surface, measuring and setting out, and then manufacturing, mounting and fixing reinforcing steel bars; then template installation, fixation and template calibration are carried out; and then a winch system, a slip form and a chute are installed, and finally concrete pouring and curing are conducted. According to the method, innovative improvement is conducted on the manufacturing method of the steel bars and the sliding formwork, and on the basis, a brand-new installation method is designed around the sliding formwork and the chute. The structure is suitable for slope engineering of water inlets and water outlets of upper and lower reservoirs, has excellent structural strength, is convenient to construct and high in engineering efficiency and standardization level, and has outstanding technical advantages and good engineering performance.

The invention discloses an MICP intensity prediction method and system based on machine learning and multi-feature fusion, and relates to the field of solidified data analysis. An accurate quality prediction mapping model and an abnormal compensation parameter mapping model are constructed based on historical data; the system has the capabilities of predicting curing quality from process parameters and intelligently recommending an optimal disposal scheme from an abnormal state; by setting a dual-threshold quality control mechanism and a real-time abnormity monitoring and early warning system, various abnormal conditions in the curing process can be actively identified and timely responded, and complete closed-loop processing from parameter deviation detection to automatic compensation measure execution to hardware standby switching can be realized. The stability of the solidification process and the consistency of the engineering quality are effectively guaranteed, the requirement for manual intervention and the misjudgment risk are greatly reduced, powerful technical support is provided for standardization, normalization and industrialization development of the sand solidification technology, and the engineering efficiency and economic benefits are remarkably improved.

The utility model relates to the technical field of electric power auxiliary tools, and discloses a line protection device for engineering and technology research, which comprises a base, the outer wall of the base is provided with a first sliding chute and a second sliding chute, the base is internally provided with a first spring, one end of the first spring is fixedly connected with a sliding block, and the other end of the first spring is fixedly connected with a second sliding chute. And the outer wall of the sliding block is slidably connected to the inner wall of the second sliding groove, the other end of the first spring is fixedly connected to the inner wall of the second sliding groove, the upper surface of the sliding block is fixedly connected with a pulling block, and the outer wall of the sliding block is fixedly connected with a clamping cylinder. According to the wire harness fixing device, the first spring rebounds to push the sliding block to slide on the inner wall of the second sliding groove again and drive the pulling block to move, and meanwhile, the clamping cylinder is promoted to slide on the inner wall of the first sliding groove again to fix the wire harness, so that the effect of fixing a circuit is achieved, the circuit can be arranged neatly and orderly, cable crossing or disorder is avoided, and the wire harness fixing device is convenient to use. And maintenance and overhaul are facilitated.

The present invention relates to an ink jet head ink supply system equipped with an emergency recovery function and an ink jet printer including the ink supply system. The ink jet head ink supply system is characterized by including: an ink jet head; an ink storage device; a supply flow path; a recovery flow path; a flow path blocker; a flow path switcher; a drain pipe; a discharge ink storage portion; and, a drain portion.

The portable auxiliary device comprises a pressure-bearing cylinder, an opening is formed in one side of the lower portion of the pressure-bearing cylinder, a tensioning device is arranged on the pressure-bearing cylinder, an extension screw rod is connected into the pressure-bearing cylinder and the tensioning device in a sliding mode, the upper end of the extension screw rod is connected with a first fastening nut, and the lower end of the extension screw rod is connected with a second fastening nut. The lower end of the extension screw is connected with a second fastening nut, the second fastening nut is a two-way connecting nut, the pressure-bearing cylinder is placed on one side of the cable clamp bolt and used for placing a tensioning device, the extension screw of the device is connected with a cable clamp screw to be fastened through the second fastening nut, the cable clamp screw is stretched through the tensioning device, and the tensioning device is used for tensioning the cable clamp screw to fasten the cable clamp screw. The cable clamp nut connected to the cable clamp screw ascends along with stretching of the cable clamp screw, the wrench stretches into the opening of the pressure-bearing barrel, the cable clamp nut can be tightened downwards, the fastening force of the cable clamp bolt is enhanced, the device is simple in structure, convenient and fast to manufacture, low in cost and convenient to carry, the engineering efficiency is improved, and meanwhile the fastening force of the cable clamp bolt can be effectively enhanced.

The application discloses a kind of coal mine roadway supporting scheme dynamic parameterization design method and system, and design method includes the following steps: obtaining the multi-source heterogeneous data of coal mine lane, constructs the knowledge graph of coal mine roadway supporting field, forms original characteristic parameter set;Regression and classification double-path prediction framework is constructed, and the original characteristic parameter is carried out depth feature extraction, associated learning and candidate scheme generation, and the initial scheme of supporting parameter is output;By physical information neural network, the endogenous constraint is applied to the initial scheme of supporting parameter, while combining the rules of supporting specification information, the double verification is carried out to supporting scheme, and through the automatic adjustment of the parameter that does not satisfy constraint condition is carried out to the antagonistic correction mechanism;The supporting scheme is updated dynamically, and the parameter deviation caused by the discontinuity of geological exploration or environmental disturbance is corrected, and the adaptive optimization and iterative update of supporting scheme are realized by reinforcement learning strategy and incremental closed loop mechanism, and the final supporting scheme is obtained.

The utility model relates to the technical field of building bridge foundation construction equipment, in particular to a pile driver for bridge construction, which comprises an equipment mounting plate, and the left end and the middle part of the top surface of the equipment mounting plate are respectively and fixedly provided with an equipment frame; a cab is fixedly arranged at the right end of the top surface of the equipment mounting plate; a hydraulic cylinder is fixedly arranged at the rear end of the middle part of the top surface of the equipment mounting plate; a drill bit and a pile hammer are movably arranged at the top ends of the two equipment frames correspondingly. According to the pile driver for bridge construction, by extending equipment installation and loading drilling equipment and pile driving equipment on the side face at the same time, various pile driving methods are flexibly adopted for bridge pile driving and foundation building according to site conditions, an electric clamping ring is additionally arranged on the equipment frame carrying a pile driving hammer, and a precast pile can be fixed in an auxiliary mode when the precast pile is driven; and switching of different pile driving devices of the same hole can be achieved by horizontally moving the driving device by a small distance, and the engineering efficiency is improved.

The utility model relates to the technical field of pile foundation sediment cleaning, in particular to a pile foundation sediment thickness efficient cleaning instrument which comprises an upper sediment discharging pipe located on the upper portion, the bottom of the upper sediment discharging pipe is connected with a lower sediment discharging pipe, and the bottom of the lower sediment discharging pipe is connected with an inner collecting pipeline. A gathering cover is installed on the periphery of the bottom of the lower deslagging pipe and the connecting end of the inner collecting pipeline, a plurality of fixing frame bodies and foldable frame bodies for fixing the gathering cover are further arranged on the periphery of the lower deslagging pipe, and an air inlet pipe communicated to the interior of the instrument is further fixedly arranged on the outer side of the upper deslagging pipe. Compared with an existing cleaning mode, the efficient pile foundation sediment thickness cleaning instrument has the remarkable advantages of being efficient, accurate, safe, environmentally friendly and the like, the requirement for pile foundation sediment cleaning can be better met, and the engineering quality and efficiency are improved.

The utility model discloses a modularized steel structural part which comprises a bottom plate, a side plate fixedly connected to the side surface of the bottom plate, a reinforcing column fixedly connected to the upper surface of the bottom plate, a reinforcing plate fixedly connected to the other end of the reinforcing column, a modularized building body fixedly connected to the upper surface of the reinforcing plate, and a mounting plate fixedly connected to one end of the bottom plate. The upper surface of the mounting plate is fixedly connected with a positioning block, the upper surface of the mounting plate is fixedly connected with a mounting bolt, and the mounting bolt is in threaded connection with a fixing nut, so that a prefabricated building assembly is allowed to be manufactured in a factory and then quickly assembled on site, the construction time is greatly shortened, and the engineering efficiency is improved; the building modules can be accurately aligned during installation, the requirement for on-site adjustment is reduced, the stability and safety of the whole structure are improved, the strength of the building structure can be enhanced, the compression resistance and tensile strength of the building are improved, the stability is kept under different load conditions, and the service life is prolonged.

The present application provides a method, device, electronic device and storage medium for generating a service result, wherein the method for generating a service result includes: responding to a service request sent by a user through a service request end, searching for a general model file that matches the service request; based on the file category to which the general model file belongs, converting the input information carried by the service request into standard input information that satisfies the input format corresponding to the file category; parsing the general model file to obtain a service model corresponding to the general model file, inputting the standard input information into the service model, obtaining the service result output by the service model, and sending the service result to the service request end. The present application can obtain a general model file that matches a service request, generate a service result corresponding to a service request based on the service model obtained by parsing the general model file, and has high efficiency in service model engineering.

The utility model discloses an automobile door emergency unlocking handle die which comprises a base, and a cooling box is fixedly arranged in the middle of the upper end of the base. The cooling cavity is formed in the cooling box, a fixed mold is arranged in the cooling cavity, three fixed mold grooves are formed in the upper end of the interior of the fixed mold, the fixed mold grooves are distributed at equal intervals, and cooling holes are formed in the positions, located at the front ends and the rear ends of the fixed mold grooves, of the interior of the fixed mold. And demolding is difficult after the handle is manufactured.

The utility model relates to a TPD construction machine and a chassis system thereof, and belongs to the technical field of engineering machinery. The chassis system comprises two sets of symmetrically-arranged walking assemblies and a connecting beam connecting the two sets of walking assemblies. Each walking assembly comprises a track frame, a track arranged on the track frame and a hydraulic motor, and the hydraulic motor drives the track to circularly rotate on the track frame; a mounting seat is fixedly connected to the outer side surface of the track frame and exceeds the outer edge of the track to form a mounting surface for mounting the slide rail assembly. By means of the structure, the chassis system of the TPD construction method machine has higher stability and adaptability, reliable connection between the frame and the chassis system is achieved through the design of the installation base, meanwhile, a reasonable working area is provided for the chain cutter assembly, the working efficiency and safety are effectively improved, and the chassis system is suitable for engineering construction operation in various complex terrain environments.

The present invention provides a device and method for testing the expansion of water-absorbing materials in the prevention and control of groundwater pollution, wherein the device includes a support platform, a fixing frame, and a pressing block. The support platform is also provided with an outer block and an inner block, wherein the outer block is located outside the inner block; the pressing block is located in the inner block, and the fixing frame is located outside the outer block. A test solution is stored in the block, and a liquid-permeable hole is provided on the surface of the pressing block. The device also includes a test component, which is a combination of one or more of a pressure gauge, a mass block, a test container, and a solid. The sample to be tested is placed in the inner block and is located between the pressing block and the table of the support platform. The method performs corresponding steps according to the design of the device, and the expansion performance of the water-absorbing material can be observed intuitively. The present invention has a simple composition and low cost, and multiple groups can be set for simultaneous observation, and the measurement components can be combined according to different scenarios, so as to more intuitively obtain the expansion changes of the water-absorbing material sample, so as to conveniently and quickly select suitable materials for subsequent testing, thereby improving engineering efficiency.

The invention is applicable to the field of liquid sampling testing, and discloses a sampling device and method for a primary loop hydrostatic test of a nuclear power plant, and the sampling device comprises a water supply unit, a water supply sampling unit, a clamping unit and a sample loading unit; the water supply unit supplies liquid into the water supply sampling unit; the clamping unit is arranged on the evaporator, and a through hole penetrating through the side wall of the evaporator is formed in the clamping unit; the water supply sampling unit comprises a water inlet valve, a water outlet valve, a flowmeter and a water suction pump, the flowmeter is connected with the clamping unit through a pipeline, and the pipeline penetrates through the side wall of the evaporator and extends into the evaporator; the water supply unit, the water inlet valve, the flowmeter and the clamping unit are communicated through pipelines to form a first water path, the first water path is used for supplying water into the evaporator, the clamping unit, the flowmeter, the water suction pump and the water outlet valve are connected through pipelines to form a second water path, and the second water path is used for pumping liquid in the evaporator into the sample loading unit.

The present invention relates to the field of tunnel maintenance technology, and in particular to a closed intelligent concrete maintenance trolley for tunnels, comprising: a maintenance component, a heating component, an intelligent temperature-controlled water tank, a central control panel and a central control panel, wherein the intelligent temperature-controlled water tank adjusts the spray water temperature in the water tank by the concrete surface temperature; the maintenance trolley working mode is determined by the initial water droplet evaporation time and the preset first water droplet evaporation time; the central control panel determines whether to adjust the nozzle atomization opening or the spray water temperature according to the first concrete surface temperature and the preset concrete surface fluctuation temperature interval; determines whether to adjust the nozzle spray pressure or turn on the heating device according to the second concrete surface temperature and the preset concrete surface fluctuation temperature interval; determines whether to adjust the adjacent nozzle position or the nozzle spraying mode according to the third concrete surface temperature and the preset concrete surface fluctuation temperature interval. The present invention accurately controls the concrete surface temperature by adjusting the above-mentioned nozzle spraying parameters.

This invention provides a method for virtual digital lofting and real-time calibration of installation pose of a guide rail, comprising: providing at least two positioning fixtures, each fixture having three collinear optical markers symmetrically arranged on both sides relative to the center marker; fixing the two positioning fixtures to the upper and lower ends of the guide rail respectively, so that the positioning fixtures are in close contact with the two working surfaces of the guide rail; acquiring the global coordinates of all optical markers in real time through a motion capture camera array, and independently calculating the six degrees of freedom pose deviation of the guide rail based on a coordinate comparison scheme corresponding to the layout of the positioning fixtures: calculating the horizontal translation deviation of the upper end of the guide rail; calculating the tilt angle deviation of the guide rail in the vertical plane; calculating the rotation angle deviation of the guide rail about its own length axis by using the coordinate difference of the two markers on both sides of the same positioning fixture on a single coordinate axis; and making targeted adjustments to the installation state of the guide rail according to the calculated pose deviations of each degree of freedom, thereby completing real-time calibration.

The invention provides a noise analysis-based high-wind-pressure rock drilling tooth performance test method and system, a storage medium and equipment, and the method comprises the steps: building a quantitative model among time distribution, a wear function and a performance constant through noise signal analysis, i.e., converting the working noise data of a high-wind-pressure rock drilling tooth into the working time of a working tunneling unit length, and carrying out the calculation of the working noise data of the high-wind-pressure rock drilling tooth. The wear efficiency is defined accordingly; according to the method, multiple wear efficiency functions are obtained through a hypothesis method, an adaptive function is screened out through substitution verification, then a working performance function is constructed, quantitative characterization of the working performance of the high-wind-pressure rock drilling tooth is achieved, and the method overcomes the defects that an existing characterization mode is inaccurate and cannot truly reflect the actual working performance. The method has the advantages of being high in scientificity, high in accuracy, good in operability and the like, scientific basis can be provided for research and development, quality control and model selection application of the high-wind-pressure rock drilling teeth, the engineering operation efficiency can be improved, and the production cost is reduced.

The utility model provides a kind of jacket positioning device, it includes positioning frame, it includes multiple positioning ring and connecting beam;A ground pile is inserted in each positioning ring, each ground pile includes anchoring section and guide section respectively, and ground pile is inserted along its own axial hole, and the outer side of guide section is equipped with gyro wheel;Jacket bottom vertically extends out and corresponds with the inserted part of ground pile, and the inserted part side is equipped with hanging ring, and gap is left between hanging ring and inserted part, and the side wall of guide part can be placed in the gap of hanging ring and inserted part, and the one end of rope is fixed with hanging ring, and the other end can be placed in the side of jacket by gyro wheel.The utility model uses positioning frame and ground pile cooperation, by first positioning frame is arranged in the mode of seabed, the position of each ground pile is determined, then ground pile is inserted into seabed by positioning ring, so that the positioning of ground pile is completed quickly, and the process of ground pile is avoided to cause influence to other position ground pile, so as to improve engineering efficiency and improve engineering quality.

The invention discloses an underground pitching excitation reaming tool which comprises a reamer short section and a ball containing short section connected to the upper portion of the reamer short section. The ball containing short section comprises a shell, a limiting barrel, a ball claw, an excitation ball, a spring seat and a first elastic piece. The spring seat is positioned below the ball claw, and the bottom of the ball claw is sectioned; the limiting cylinder comprises a small-diameter part and a large-diameter part which are distributed up and down, and a plurality of overflowing grooves for communicating the interiors of the small-diameter part and the large-diameter part; the inner diameter of the small-diameter part is smaller than the outer diameter of the ball claw in the natural state, and the inner diameter of the large-diameter part is larger than or equal to the outer diameter of the ball claw in the natural state. The reaming tool is used for solving the problem that in the prior art, due to the influence of an existing channel in a drill column, a reaming tool excited by pitching cannot be installed close to a drill bit, and the purposes that the reaming tool excited by pitching can also be installed close to the drill bit, the length of the section, where reaming cannot be conducted, of the well bottom is reduced, and the tripping frequency is reduced are achieved.

The invention discloses a method for determining the number of test samples for a bonding tension sampling coverage test. The method comprises the following steps: obtaining a reference sample and test samples; determining the standard deviation of the reference sample and the standard deviation of the test sample; determining a judgment factor; judging the judgment factor, and if the judgment factor meets the judgment condition, for the submitted products of which the total number is not greater than the reference sample number, carrying out spot check by using the number of the test samples, so as to cover the quality qualification requirements of all the submitted products; and otherwise, increasing the number of the test samples, and carrying out circular judgment until the judgment factors meet the judgment conditions. According to the invention, the working efficiency is improved, and the quality qualification requirements of all submitted products can be covered with the number of samples as few as possible.

The utility model discloses an oxygen valve station device which comprises a main oxygen pipe, and the main oxygen pipe distributes oxygen to a first oxygen branch pipe and a second oxygen branch pipe through a valve set. And the valve group connected with the oxygen main pipe comprises a third oil-forbidding stop valve, an oxygen pressure gauge, a second oil-forbidding ball valve, a filter, an oxygen check valve, an oxygen flow meter and a pressure transmitter which are connected in sequence. According to the oxygen valve station device, modularization and integrated assembly are adopted, the oxygen valve station device adapts to the rapid installation characteristic of an on-site engineering project, the oxygen valve station device can be assembled in a factory area, the situation that the on-site dust environment pollutes an oxygen pipeline is avoided, and the use safety of the valve station is improved.

This invention relates to the field of cement-soil mixing pile technology, specifically a cement-soil mixing pile and its construction method. The pile body includes a mixing pile body comprising a pile column and flanges surrounding the pile column. Multiple flanges are evenly distributed around the pile column, and each flange is arc-shaped. The pile column has an inner circle line along its vertical cross-section, and the central axes of the flanges intersect at this inner circle line. A protective plate is provided at the outer circular node of each flange. The protective plate includes an abutting surface at the outer circular node of the flange and an embedded strip on the abutting surface, which is embedded at the outer circular node of the flange. This invention's mixing pile body, composed of a pile column and flanges evenly distributed around the pile column in an arc shape, results in more uniform mixing of the cement and soil, thereby improving the strength and stability of the foundation.