45results about How to "Reduce secondary investment" patented technology

The invention discloses a submarine cable underwater synchronous paying-off underwater vehicle which is characterized by comprising a shipborne mechanical system, a synchronous pushing system, a pneumatic launching system, a calculation center control system and a dragging and underwater-moving system. The technologies of electric automatization, aerodynamics, mechatronics and single chip microcomputer control and the like are integrated, underwater operation can be achieved, and the underwater vehicle is less affected by stormy waves; automatic detection and real-time paying-off can be achieved, the positioning precision is 0.5-3 m, the course accuracy is 0.01 degree, and a cable line corridor can be accurately controlled; cable laying is high in speed and can be controlled in real time, and the highest cable laying speed can reach 50 KM/h; the automation degree is high, and the number of construction staff is greatly decreased; the integration degree is high, and the whole process can be monitored; construction obstacles for the cable line corridor do not need to be cleared away, so that the environment is protected; all the systems can be recycled, and secondary investment is low; the systems operate synchronously, and the tension force of submarine cable laying is reduced; the line first-aid repair capability is high, and the submarine cable underwater synchronous paying-off underwater vehicle is suitable for line reconstruction work after seaquakes; and the structure is reasonable, and the performance is reliable.

The invention provides a solvent extraction process for coal tar slag. The prior art has three methods for treating tar slag as follows: 1, the tar slag is transiently stacked in nature, and due to wind, sun or rain, tar, phenol, as well as high-content sulfur/nitride in the tar slag pollute the atmosphere and damage soil and water; 2, the tar slag is taken as brickyard fuel, but as the tar slag contains a large amount of organic carbon, a large amount of black smoke is produced during combustion, and unpleasant odor of hydrogen sulfide causes serious damage to the living environment of residents around brickyards; and 3, the tar slag is mixed with pulverized coal and used as boiler fuel of power plants, resulting in environmental pollution although the calorific value of coal is improved. The process consists of separation, extraction and distillation, and is applied to the field of coal chemical industry.

The invention provides a quality factor-based device and method for detecting loudspeaker module sealing. The quality factor-based device comprises a signal source, a power amplifier, a precision resistor, a voltage testing unit and a sealing tool. The power amplifier is used for amplifying signals sent from the signal source. The precision resistor is sequentially connected between the power amplifier and a loudspeaker module for testing. The loudspeaker module for testing, the amplifier and the precision resistor are in a series loop. The voltage testing unit is used for detecting voltage at two ends of the precision resistor. The sealing tool is used for sealing a sound hole of the loudspeaker module for testing. According to the arrangement, by the aid of airflow resistance generated during running of the loudspeaker, loudspeaker impedance and quality factors are acquired, thus the sealing of the loudspeaker module is detected, and the problem that after entering water, the sound quality of the loudspeaker is damaged and misjudged is solved.

The invention discloses a method for separating isobutyl acetate, ethanol and water by azeotropic rectification, which comprises the step of mixing ternary azeotrope of the isobutyl acetate, the ethanol and the water with entrainer in an azeotropic rectification tower to rectify by adopting a two-tower continuous rectification method or a two-tower intermittent rectification method, wherein the entrainer entrains the ethanol and the water to achieve ternary azeotrope separation and to separate an organic phase and a water phase in a phase splitter. The method has the characteristics of continuous operation for separating isobutyl acetate/ ethanol/ water mixture and intermittent operation for ternary mixture.

The invention discloses a tower crane foundation formed by using external walls of a basement and support piles of a foundation pit. The tower crane foundation comprises a tower crane foundation raft, wherein one side of the tower crane foundation raft is erected on the external walls of the basement, and external wall embedded bars of the basement are arranged between the tower crane foundation raft and the external walls of the basement; upper parts of the external wall embedded bars of the basement are arched into the tower crane foundation raft, and lower parts of the external wall embedded bars of the basement are embedded into the external walls of the basement; the other side of the tower crane foundation raft is erected on top beams of the support piles at the side slope of the foundation pit through a reinforced concrete wall; the reinforced concrete wall is internally provided with top beam embedded bars; moreover, upper parts of the top beam embedded bars are anchored into the tower crane foundation raft and lower parts of the top beam embedded bars are embedded into the top beams of the supporting piles. The tower crane foundation is used for successfully solving a difficulty that a tower crane cannot be directly arranged in the deep foundation pit of the foundation in a foundation construction stage; and the tower crane foundation is quite applicable to a large project which has higher requirements on side slope load of the foundation pit, is smaller in site and has the supporting piles and the external walls of the basement.

The invention belongs to the technical field of communication, and relates to an anti-cheating timing system used for an instructional vehicle based on face recognition and an anti-cheating timing method used for the instructional vehicle based on face recognition. The timing system comprises an OBD terminal which is internally provided with a processor. The processor is connected with a terminalA, a terminal B, a face recognition module, a timing module, a positioning module and an access device. According to the timing system, the image data of the student can be automatically acquired in real time in the driving process of the student for face recognition and stored in the memory so that the situation that another person pretends to drive for the driving student to cheat the instructional time can be prevented without interrupting the training process of the student.

The invention discloses a magnetic purification system and a purification method for quickly purifying combined overflow sewage. The magnetic purification system comprises a water storage device for containing the combined overflow sewage, a sewage lifting device arranged in the water storage device, a coarse grille device arranged at a water inlet of the water storage device, a fine grille devicearranged at a water outlet of the water storage device, a charging device for feeding a material, a magnetized coagulation reaction device and a magnetic separation device, wherein the fine grille device comprises a grille pool, and a rotating drum grille and a backwash pump that are arranged in the grille pool; the magnetized coagulation reaction device comprises a mixing reaction tank; the magnetic separation device comprises a magnetic disc separator of magnetic floccules, and a slag discharge device communicated with an outlet of the mixing reaction tank; and a scraping device is arrangedbetween the slag discharge device and the magnetic disc separator. According to the magnetic purification system and the purification method, quick purification of the overflow sewage is achieved through a modular design; an integration degree is high; and the system and the method can be used for emergency treatment, are applicable to temporary treatment and can be recycled.

The invention provides a device for treating sewage by magnet intervention. The device comprises a coagulation reaction tank, a magnet powder reaction tank, a flocculation reaction tank and a magnet intervention rapid separation tank, which are connected in sequence through a pipeline, wherein a magnet recycling unit is arranged behind the magnet intervention rapid separation tank; a micro-magnet floc aggregate flowing out from the magnet intervention rapid separation tank is sprayed on a magnet roller of the magnet recycling unit through a pipeline; magnets on the magnet roller of the magnet recycling unit are collected and then directly enter a magnet powder storage pot; the magnet recycling unit comprises a magnet recycling barrel, the magnet roller and a magnet scraping plate; the lower part of the magnet recycling unit is connected with a sludge treatment system; the magnet intervention rapid separation tank comprises a separation tank body and a magnet disc; the magnet disc is provided with a scraping plate; the coagulation reaction tank, the magnet powder reaction tank and the flocculation reaction tank are connected with a coagulant storage pot, the magnet powder storage pot and a flocculating agent storage pot respectively. According to the device for treating the sewage by the magnet intervention, provided by the invention, the device for treating the sewage by the magnet intervention is simple in structure, easy to operate and high in production efficiency, and is particularly suitable for municipal and sudden emergency water treatment.

The invention relates to a comprehensive self-consistent energy microgrid configuration method based on hydrogen energy storage and an energy regulation and control method. An intelligent management and control system of a microgrid collects power-heat-cold energy consumption requirements of a microgrid load in real time, collects a real-time pressure intensity value of hydrogen in a hydrogen storage tank in the microgrid, and recognizes the relation between the microgrid and a power grid through an on-grid and off-grid judgment module; in an independent operation state that the micro-grid is merged into a power grid or the micro-grid leaves the power grid, the energy of the micro-grid is regulated and controlled by representing the energy storage capacity by using the real-time pressure value of hydrogen in the hydrogen storage tank, a result is judged based on the real-time pressure value of the hydrogen and a set hydrogen pressure boundary threshold value, whether wind power and photoelectricity in the micro-grid output power or not is combined, the micro-grid load cold and heat supply is jointly used as a constraint condition, and then a corresponding energy management and control strategy is started. On the basis of the wind and light prediction result and the typical daily load curve, instruction deviation caused by wind and light random and load fluctuation is adjusted and stabilized in real time according to the output of each unit in the day, and real-time balance of system energy and power is guaranteed.

The invention discloses a wastewater treatment process based on combination of super magnetic separation and an SBR (Styrene Butadiene Rubber) technique. In the wastewater treatment process, a super magnetic separation system, an SBR system, an ultraviolet sterilization system and a self-control system are included, wherein the self-control system is connected with the super magnetic separation system, the SBR system and the ultraviolet sterilization system; the super magnetic separation system comprises a super magnetic separator, a magnetic seed recycling system, a magnetic seed pump and a water outlet pool; water feed, aeration, sedimentation, water discharge and sludge discharge are implemented in sequence in an SBR pool, organic matter degradation and nitrogen and phosphorus removal are effectively implemented in the SBR pool; the ultraviolet sterilization system comprises tubular type ultraviolet sterilization equipment and a valve; and the self-control system comprises a sensor. The wastewater treatment process has the advantages of being small in floor space, moveable, free of complex civil engineering, low in operation cost, high in automation degree, easy to operate and manage and the like; due to PLC (Programmable Logic Controller) real-time control, phenomena that the water quality is affected because of insufficient aeration or sludge swelling is caused and electric energy is wasted because of too long aeration can be effectively avoided, the labor cost is low, the service life of the equipment is long, and secondary investment is small.

The invention provides an adjustable adaptive crankshaft bending fatigue test device, which includes a trigger flange, a flexible bending plate, a main journal opening pressuring head, a rod journal support and a main journal support. The main journal support and the rod journal support are mounted vertically on a T-shaped groove of a test platform, and are respectively provided with a main journal support hole and a rod journal support hole. A first main journal and a rod journal of a test crankshaft unit are mounted in the main journal support hole and the rod journal support hole respectively through a first main journal adjustment tile and a rod journal adjustment tile. The main journal opening pressure head is mounted at a second main journal through a second main journal adjustment tile. The trigger flange is located above the main journal opening pressure head. The flexible bending plate is connected between the trigger flange and the main journal opening pressure head. The device of the invention meets different journal crankshaft bending fatigue test requirements and is suitable for working needs of a general high frequency tester, and the test crankshaft unit is adaptively bendable or deformable.

The invention discloses a submicron water film deduster. The submicron water film deduster comprises a dedusting chamber 1, a submicron water film purifying module 10, a nozzle 8, and an air outlet 11; the submicron water film purifying module 10 is composed of a plurality of dedusting plates 12 through laminating, or dedusting plates and a plate sandwiched by the dedusting plates, wherein the plate is composed of one or a plurality of materials selected from active carbon fibrofelt, active carbon fiber cotton, active carbon sponge, and active carbon particle net; water film 9 is formed on a side surface of the submicron water film purifying module 10 uniformly by water sprayed by the nozzle 8, so that dust-containing gas introduced into the dedusting chamber is delivered through the waterfilm 9 and the submicron water film purifying module 10 for purifying, and then is discharged through the air outlet 11. The dust-containing gas introduced into the dedusting chamber is delivered through the water film 9 and the submicron water film purifying module 10, leakage of no unpurified gas through water film uncovered parts is avoided, 99.9% or more dust is removed via filtering, and dust content is reduced to be lower than 3mg/<3>.

The invention provides integrated sewage treatment recycling equipment with a pretreatment tank and relates to the technical field of treatment of livestock and poultry breeding wastewater. The equipment structurally comprises a tank body, wherein the interior of the tank body is separately provided with a sewage treatment tank and an equipment room, and a deep treatment system is arranged in theequipment room. A liquid inlet pipe enters the tank body and communicates with the sewage treatment tank, the sewage treatment tank is connected with the deep treatment system through a pipeline, thedeep treatment system communicates with a liquid outlet pipe, the sewage treatment tank comprises the pretreatment tank, a first stage anoxic tank, a first stage aerobic pool, a second stage anoxic tank and a second stage aerobic pool, the first stage anoxic tank, the first stage aerobic pool, the second stage anoxic tank and the second stage aerobic pool communicate with one another sequentially,and the bottom of the pretreatment tank is of a mud bucket structure. According to the integrated sewage treatment recycling equipment with the pretreatment tank, anaerobic digested effluent of a breeding farm is treated through a two-stage A/O, MBBR and MBR combined process, so that effluent of the equipment reaches recycled-water water quality standards, and zero discharge of wastewater is achieved; through additionally arranging the pretreatment tank and corresponding refluxing devices and collecting devices, the equipment has relatively good treatment effect on influent digested effluentof different water qualities and is high in applicability, and thus, popularization and application are facilitated.

The invention discloses an energy statistical method capable of configuring a tree structure. The method comprises the following steps: a, constructing an energy consumption unit statistical tree based on a hierarchical relationship of energy statistical units; b, constructing an energy pedigree tree factory model based on the distribution condition of the energy statistical instruments; c, configuring a matching relationship between the energy consumption unit statistical tree and the energy pedigree tree factory model; and d, collecting measurement data of all energy statistical instruments in the energy pedigree tree factory model, and counting energy consumption data of each level or nodes of the level in the energy consumption unit statistical tree according to the matching relationship in the step c. According to the invention, a configurable solution is provided for a user according to a changing factory environment, and the cost of secondary investment is reduced.