96results about How to "With removable" patented technology

The invention provides an ecological protection structure and an ecological protection method suitable for an ardealite storage yard. The structure of a modularization unit is that a flexible adhesion layer, an HDPE (high-density polyethylene) film with a certain specification, a plant fiber blanket with a certain specification, a vegetation inner net with a certain specification, a vegetation matrix layer with a certain specification, a vegetation outer net with a certain specification and a germplasm matrix layer with a certain specification are sequentially paved from inside to outside on the slope face of the shaped ardealite stack body; the edges of the vegetation inner net and the vegetation outer net are bound by binding wires and fixed by ground anchors; plants are planted in the germplasm matrix layer; along with the growth, the root systems of the plants penetrate through the vegetation outer net step by step to stretch to the vegetation matrix layer, the vegetation inner net and the plant fiber blanket, and the root systems mutually intersect with the vegetation matrix layer, the vegetation inner net and the plant fiber blanket to form the flexible blanket-shaped ecological protection structure composed of the plant root systems, the matrix, the double-layered nets and the HDPE film; the protection structure can be paved, spliced and planted in a modularization way; when the stack body is dug and ardealite is utilized, the protection structure can be moved along with the plants in the modularization way, the environment-friendly and safe problems of the whole storage yard can be ensured, and the front end sustaining discharge and the rear end sustaining excavation and utilization are not influenced.

This invention discloses a strengthened multifunctional blockage experimental apparatus for micro-irrigation, comprising a test platform, a mixing tank, a water pump, three filters, a drain tank and an air cylinder; inlet and outlet of each filter is disposed with a pressure gauge and a control valve, inlet of the air cylinder is disposed with a control valve; the test platform is respectively connected with the filter, air cylinder and pressed-water pipes via pipes of the control valve; the mixing tank is disposed with ring vessels internally, the mixing tank is connected with the water pump via water supply pipe of the dual-band control valve, the water pump is connected with the recycled water pipe via the water supply pipe. This invention is a multifunctional, auto-controllable, conveniently extendable and movable strengthened multifunctional blockage experimental apparatus for micro-irrigation apparatus, capable of testing hydraulic power, anti-blockage performance (comprising physical, chemical and biological blockage) of douche, and simultaneously testing filter characteristics on different blockage medium, in order to realize instant anti-blockage evaluation for micro-irrigation douche and filter.

The invention discloses an in-situ comprehensive inquiry platform for beach shallow sea engineering geological properties. The platform comprises a platform ship, a beach shallow sea sounding unit, anin-situ sediment sampling unit, a sea geophysical prospecting unit and a water power in-situ observation unit, wherein the beach shallow sea sounding unit comprises a beach shallow sea static sounding device and a beach shallow sea power sounding device; the platform ship adopts special structural design; on the basis of the platform ship which carries various ocean engineering geological testinginstruments, the quick measurement of the engineering geological properties of an appointed sea area is realized, i.e., the platform ship can stop on the water surface to serve as a fixed platform, and a running navigation test can be carried out to test flow parameters; and in short time, various engineering geology parameters can be measured in the same area in short time, the quick and comprehensive inquiry of engineering geology conditions in a shallow area of which the water depth range is 20m, wherein measurement parameters include water depth, topography and landforms, stratum structures, in-situ sediment soil mechanics parameters and the like. By use of the platform, a test area can be subjected to more reliable engineering geology evaluation, and testing efficiency in different sea areas can be greatly improved.

The invention relates to an infrared intelligent online monitoring system for a direct-current convertor station valve hall. The infrared intelligent online monitoring system comprises a thermal infrared imager, an optical transmitter and receiver, a switch, a background controller, a visible light camera, a micro controller, a cradle head and a controllable track, wherein both the thermal infrared imager and the visible light camera are arranged on the cradle head, and are connected with the micro controller and the optical transmitter and receiver; the cradle head is arranged on the controllable track; the micro controller is connected with the cradle head and the controllable track respectively; the optical transmitter and receiver is connected with the switch; and the switch is connected with the micro controller and the background controller respectively. Compared with the prior art, the infrared intelligent online monitoring system has the advantages that each heating element of a valve body can be subjected to infrared monitoring in real time; meanwhile, an alarm signal is transmitted according to a preset early warning value, and the running safety of equipment is ensured by means of lowering of the load or change of the system running way and the like, so that the equipment running safety is ensured, and the identification capability and foreseeability of running personnel specific to equipment defects are enhanced; and the infrared intelligent online monitoring system has the advantages of simple structure, convenience in installation, high instantaneity and the like.

The invention discloses a lane line automatic extraction method based on a vehicle trajectory. The method comprises the following steps: step 1, extracting the vehicle trajectory; step 2, creating a vehicle trajectory image; step 3, eliminating trajectory adhesion between different lanes based on morphological close operation and erosion; and step 4, extracting a lane line by a minimum enclosing rectangle method. The lane line automatic extraction method based on the vehicle trajectory provided by the invention does not depend on a road marking, therefore, the lane line automatic extraction method is also applicable to road areas without markings or the markings are fuzzy; the invention can extract the lane lines of multiple lanes simultaneously and the efficiency is high; besides, an unmanned aerial vehicle has an advantage of being mobile, therefore, the unmanned aerial vehicle can be used for performing lane line extraction on road sections without traffic monitoring equipment.

The invention discloses a device and a method for microwave transmission method-based detection of water content of oily sludge deposited at tank bottom in storage and transport. The device for detection mainly comprises a microwave measurement part, a signal processing part and an intelligent control part. The microwave measurement part mainly comprises a microwave signal source, a modulation switch, a microwave sensor (comprising a transmitting antenna and a receiving antenna) and a wave detector. The signal processing part mainly comprises a frequency-selective amplifier module, a true virtual value detection module and an A / D transition module. The intelligent control part mainly comprises a MSP430 one-chip microcomputer control system, a LCD display module, a RS232 serial interface module and a power supply module. The device has the advantages of high measurement precision, wide measurement range, fast measurement rate and carrying convenience and can be used for fast detection of water content of oily sludge in the industrial site.

The invention discloses a parallel four-degree-of-freedom intersection line welding robot, which is designed aiming at an intersection line welding condition of pipe plugging and belongs to the technical field of robots. The robot comprises a stand, a position adjusting mechanism and an attitude adjusting mechanism, wherein four degrees of freedom are driven by four step motors and rotary degree of freedom is realized by gear transmission; differential speed lifting is realized by three lead screws to achieve lifting degree of freedom, pitching degree of freedom and deflecting degree of freedom; and three lifting movements are decoupled with rotary movement through three double-direction thrust bearings, so that rotation can be realized during lifting and the movements can be independently and easily controlled. In addition, because four step motors are arranged on the stand, the step motors are fixed relative to a world coordinate system in work, and wire winding caused by rotation is avoided. The robot system has flexibility, movability and high economic performance.

The invention discloses a box type automatic optical disc read-write storage system comprising a basic unit, a robot unit, storage expansion units, a guide rail and a box body; the basic unit consistsof a CD-ROM driver wall, the robot unit consists of a linear robot and a CD-ROM driver robot, and the storage expansion units are distributed on two sides of the guide rail in a symmetric manner; working processes of the box type automatic optical disc read-write storage system include the following steps: the linear robot moves along the guide rail, a target optical disc hold is taken from the storage unit, the optical disc holder is placed on a rotating platform via the linear robot, the rotating platform is rotated, an optical disc is taken via the CD-ROM driver robot and placed in a CD-ROM driver to be read and written in, the optical disc is taken out from the CD-ROM driver robot and placed in the optical disc holder of the rotating platform after reading and writing are finished, the rotating platform is rotated, and the optical disc holder is stored at an original position after being taken via the linear robot. In the box type automatic optical disc read-write storage system,a box type structure is adopted to facilitate transportation, space is fully used via layer-upon-layer arrangement of optical disc holders, rapid and highly efficient motions of the robot can be realized, and multiple CD-ROM drivers can be used for reading and writing simultaneously; the box body type optical storage robot system is advantaged by compact structure, large storage capacity, high reading and writing speed and the like.

The invention discloses a skid-mounted LNG leakage diffusion restrain and emergency device for LNG stations, and belongs to the technical field of safety engineering of liquefied natural gas. The skid-mounted LNG leakage diffusion restrain and emergency device comprises a movable skid-mounted pedestal, the movable skid-mounted pedestal is provided with a foam mixed liquor barrel and a nitrogen steel cylinder, the nitrogen steel cylinder and the foam mixed liquor barrel are connected through a nitrogen delivery pipe. A high-multiple foam generator is disposed over the foam mixed liquor barrel, the foam mixed liquor barrel is connected with the high-multiple foam generator through a foam mixed liquor delivery pipe, an explosion-proof blower is mounted to the rear end of the high-multiple foam generator, the explosion-proof blower is connected with a mobile power supply, and the mobile power supply is disposed on the movable skid-mounted pedestal. The skid-mounted LNG leakage diffusion restrain and emergency device for LNG stations can be applied to places such as an LNG station, an LNG receiving station, a liquefaction factory, an LNG peak-shaving station and a liquefied petroleum gas station. The skid-mounted LNG leakage diffusion restrain and emergency device can be immediately used if large-area leakage occurs in an LNG station, high-multiple foam is generated to restrain the steam cloud in an LNG liquid pool of evaporation and diffusion, the evaporation rate can be reduced, and the severe secondary disaster can be prevented.

A box-type combined light weight dwelling house is assembled by a plurality of box-type house monomers, staircase and dress parade are installed in a residential building, the box-type house monomers are mainly composed of ground, roof and external wall to form a box-type dwelling house, the box-type dwelling house is partitioned into a plurality of residential house types through inner wall, the ground and the roof are formed by metal frameworks, the ground and the roof are supported and connected through an angle connecting piece, the ground on partition wall is supported and connected through an inserting type connecting piece, and a flange which connects an upper house and a lower house is installed on a suitable position of a ground angle and a roof angle in the box-type dwelling house. The box-type monomers of the invention can be manufactured in factories in a standardized and batched mode and can be assembled into the dwelling house on site, which greatly lowers construction cost, the box-type monomers are temporary transitional dwelling forms and the means of management is tenancy compared with other building houses, which can release the living requirements in low-income transitional periods. The box-type monomers is convenient to manage, guarantees the security of society, and embodies human nature care.

The invention relates to a portable passive nuclear power reactor, and belongs to the technical field of reactors. The portable passive nuclear power reactor comprises a shell, a neutron reflecting layer, a thermoelectric converter, a hydrogen inlet valve, a hydrogen regulator, fuel, a hydrogen conduction pipe, a heat pipe group and a current output terminal, wherein the shell defines a cylinder structure with an accommodating chamber; the accommodating chamber is divided into a hydrogen regulation chamber and a fuel chamber by the neutron reflecting layer; the thermoelectric converter is positioned on the upper part of the fuel chamber; the hydrogen inlet valve is positioned on the top of the shell; the hydrogen regulator is positioned in the hydrogen regulation chamber; the fuel is positioned in the fuel chamber; the hydrogen regulation chamber is communicated with the fuel chamber by the hydrogen conduction pipe; the heat pipe group is communicated with the thermoelectric converter and the fuel; the current output terminal is positioned outside the accommodating chamber, and penetrates through the shell to be communicated with the thermoelectric converter. According to the reactor disclosed by the invention, by utilizing the characteristic that hydrogenation and dehydrogenation performance of metal uranium can be changed along with the temperature, the design of the passive reactor utilizing the hydrogen as a neutron moderator and an operation control agent is realized.

The invention relates to ecological residences for the human, in particular to a modern agricultural ecological garden. The integral ecological garden is in the shape of a heart and provided with a water system and roads which run through the ecological garden, and comprises a center square, factory zones, ecological planning zones, livestock raising zones, entertainment zones, egg-shaped houses and landscape zones, wherein the factory zones, the ecological planning zones, the livestock raising zones, the entertainment zones, the egg-shaped houses and the landscape zones surround the center square. The ecological planting zones include rice zones, orchards, landscape zones, corn zones and vegetable zones, and the rice zones, the orchards, the landscape zones, the corn zones and the vegetable zones are arranged surrounding the center square. The factory zones include fungus processing factories, food processing factories, biogas digesters, sewage treatment plants, wind power plants, solar power plants and hydraulic power plants. Windmill groups are arranged around the ecological garden by a circle to so as to form a wind power generating unit. The ecological garden has multiple complete biologic chains, utilizes novel energy sources such as biogas, wind power, solar power and the like reasonably, modifies natural environments reasonably, and is convenient in traffic, low in cost, comfortable for residence and low in environmental pollution.

The invention discloses a municipal road safety protection device, comprising a device body, a propaganda mechanism, a buffering assembly, a column and a clamping mechanism, wherein the device body atleast comprises two sets of columns arranged side by side, and two sets of fixed rods distributed in parallel between the columns, the columns are perpendicular to the fixed rods, the propaganda mechanism is arranged centrally between the two sets of fixed rods, crossbars are welded between both sides of the propaganda mechanism and the columns, a plurality of sets of crossbars are arranged sideby side with a gap between the crossbars, a chute is vertically formed at the lower end, opposite to the propaganda device, of the columns, a third connecting block runs through the inside of the chute vertically, the third connecting block is arranged horizontally, extends into one end of the inside of the chute to be fixedly connected with a connecting plate, and the connecting plate is perpendicular to the third connecting block. The municipal road safety protection device has the characteristics of being reasonable in structure, good in safety and easy to move and the like, and may be widely used.

The invention relates to an air purifier, especially highly effective to purify heavily polluted gases. The purifier comprises a power source, an inverter, an amplifier, a high tension generator, a voltage doubling circuit, a corona generator, a photoionization area, a draught fan, a speed change circuit, an isolation protection net, universal casters, and a housing. The purifier is characterized in that the stream theory of long-gap discharge is utilized,photoionization is generated from a 30mm discharge gap between positive and negative electrodes, low-impedance plasma (stream) between the positive and negative electrodes is connected; intensity of electric field is increased, and the stream can be turned into strip; photoionization members (plasma) can compose the large-area large-depth zonal purification unit. The purifier has the functions of cold sterilization, molecule decomposition, oxydative degradation, conversion of harmful matters and foul gases into the harmless; sterilization, deodorization and smoke elimination are achieved; all dusts smaller than PM2.5, causing dust haze, can be absorbed by the positive and negative electrodes in the ionization area, with the purification rate up to 100%; the 500mm<2> photoionization field consumes 77 watts only, so that environment protection and energy saving are achieved.

The invention discloses a burglarproof alarming handset for radioactive sources. The traditional monitoring system is mainly based on remote monitoring and is lack of a site inspection function. The burglarproof alarming handset for the radioactive sources comprises a power source module, a radiation dose detection module, an electronic tag reading module, a main control module and an MTK (MediaTek) handset module, wherein the main control module is connected with the MTK handset module through an asynchronous serial interface; the main control module is connected with the electronic tag reading module through an SPI (Synchronous Physical Interface); and the pulse signals obtained by the radiation dose detection module are calculated through the main control module so as to calculate a radiation dose value. The burglarproof alarming handset for the radioactive sources is compact and practical, is convenient to display and has the characteristic of movability, thus the burglarproof alarming handset for the radioactive sources can be used for conveniently carrying out radiation dose detection on a fieldwork environment.

The invention provides a movable continuous feeding chain plate conveying device. The movable continuous feeding chain plate conveying device comprises a walking mechanism, a chain plate conveying system, a control system, a cantilever crane mechanism, a feed port, a discharge port, a cable power distribution coiling block, a dust cover and a dust remover. The chain plate conveying system is arranged on the cantilever crane mechanism, and the cantilever crane mechanism is arranged on the walking mechanism. The action of the cantilever crane mechanism is controlled by the control system, and the control system is connected with the cable power distribution coiling block. The feed port is arranged on the tail of the chain plate conveying system, and the discharge port is arranged on the head of the chain plate conveying system. The dust cover is arranged above the chain plate conveying system. The dust cover is provided with the dust remover. The movable continuous feeding chain plate conveying device can convey various blocky materials or loosened materials to conveying terminals at any position in the horizontal direction or the inclined direction (not exceeding 25 degrees) and meanwhile achieve a function of stacking the materials and has the advantage of being movable. The movable continuous feeding chain plate conveying device is provided with the independent walking mechanism, movement in place is achieved, a special position or a fixed matched facility is not needed, and it is not need to enlarge an infrastructure.

The invention provides a testing platform suitable for a relay protection device. The testing platform comprises a protection device region, a testing equipment region and a signal switching control device, wherein the protection device region is used for installing at least one relay protection device to be tested; the testing equipment region is used for installing automatic testing equipment and dynamic simulation equipment and used for being connected with the protection devices; the signal switching control device comprises an air plug connector and an air plug controller connected with the air plug connector, and the air plug connector is used for being connected with all the relay protection devices to be tested. The testing platform is capable of simulating the operation environment of a 110 kv transformer substation system and realizing multifunctional system testing of the relay protection devices, has the advantages of being flexible, reconfigurable, capable of being controlled remotely, easy to operate, movable and small in occupied space and realizes multifunctional system testing and service life testing of the protection devices.

The invention discloses a real-time control system for automobile overload. The real-time control system comprises a detection module, a wireless receiving and transmitting module, a single chip microcomputer system, a control alarm module and an LCD display module. The detection module is connected with a wireless transmitting module of the wireless receiving and transmitting module, a wireless receiving module of the wireless receiving and transmitting module is connected with the input end of the single chip microcomputer system, and the control alarm module and the LCD display module are connected with the output end of the single chip microcomputer. The problem that in an existing automobile detection technology, man-made interference is performed, and therefore automation is not high is solved. The real-time control system has the advantages of being high in anti-interference capacity, convenient to operate, movable and fully automatic and has good market value.

A water supply device for tidal current energy filtering belongs to the field of ocean renewable energy source development and sea water desalination. The tidal current energy filtering water supply device comprises a tidal current energy pressurizing sea water desalination and power generation device, a filtering device, a water turbine and a self-prime pump. The water turbine comprises blades and a spindle which is connected with a hub and supported by two angular contact ball bearings, and he spindle passes through a coupler, a speed-increasing gearbox and a seal device which are located in an engine room to be connected with the self-prime pump. The water supply device has the advantages of being high in energy utilization rate, wherein the concise and effective 'tidal energy-mechanical energy' energy conversion mode is adopted, and an intermediate link of conversion into electric energy is omitted; simple in structure and convenient to move, wherein as an affiliated mechanism of the tidal current energy pressurizing sea water desalination and power generation device, the water supply device has the advantage of being capable of moving and is low in cost; clean and free of ecological pollution, wherein the tidal energy is utilized in the working process, no environment pollution is caused, no waste water, waste gas or residue is discharged, and no fuel is consumed.

The invention relates to the field of vehicle parts performance detection, and particularly relates to a tire performance detection device. A tire road impact test device comprises a bracket plate and an impact beam. The bracket plate is fixed on a foundation ground. The two ends of the bracket plate are driving guide slopes. The impact beam is hinged to the bracket plate through a rotating shaft at the center. The two ends of the impact beam are each provided with a fixed screw hole. Two fan-shaped plates are symmetrically and fixedly installed on the bracket plate with the axis of the rotating shaft as the center. The fan-shaped plates are provided with arc slots matching the fixed screw holes. Bolts fixedly connect the bracket plate and the fan-shaped plates through the fixed screw holes and the arc slots. At least one fan-shaped plate is provided with angle scale lines. The tire road impact test device can be assembled and disassembled flexibly. There is neither need for a special road nor need to damage an original test road. The tire road impact test device has the advantages of being detachable, movable, adjustable in angle and low in cost while meeting the requirement of tire impact test. The tire road impact test device has extensive popularization and application values in the field of tire quality detection.

The invention relates to a deepwater underwater oil-storage petroleum production device with a dynamic positioning buoy. A complete system comprises an underwater wellhead module, an underwater processing module, an oil-water replacement underwater oil-storage module, a deepwater upright tube, a dynamic positioning buoy and a shuttle tanker, wherein the underwater wellhead module, the underwater processing module and the oil-water replacement underwater oil-storage module are all arranged at the seabed and are connected in series; the dynamic positioning buoy floats on the water surface; one end of the deepwater upright tube is connected with the underwater storage module, and the other end is connected with the dynamic positioning buoy; and the shuttle tanker is tied and parked on the dynamic positioning buoy when the oil is filled. The device can replace a floating production system to develop the offshore oil in the deep sea, basically avoid the ice force, the wind wave force and the like suffered by the floating production system and greatly avoid the production halts in order to take shelter from the wind, and has better benefit in particular in the water of which depth is more than 500 meters.

A method for realizing communication between fixed telephone and low power mobile phone by utilizing intercommunication mode includes registering a low power mobile phone terminal and fixed telephone with built ¿C in low power mobile intercommunication module on the same association between subsets for establishing connections to let low power mobile phone terminal and fixed telephone carry out transmission ¿C communication to each other through a radio channel interface i.e enabling to use said mobile phone terminal to receive calling of fixed telephone or to use fixed telephone to dial out call within circumference of around hundred meters .

The invention provides a designing method for a third-generation (3G)-network-based wireless video monitoring system. By the method, a set of wireless video monitoring system is constructed under a simple hardware environment by utilizing the characteristics of relatively lower cost, mobility and convenience of an advanced reduced instruction set computer machine (ARM) 9 processor and a 3G network. The system is compact and based on a linux kernel so as to be convenient, easy to carry and highly extensible. A main working principle of the system is that: the system adopts a processor S3C2440A, utilizes the linux2.6.30.4 kernel, transmits video signals acquired by a universal serial bus (USB) camera to a remote terminal for displaying by the 3G network, and is optimized to a certain extent in acquisition and displaying processes. The system can be used as a cluster video monitoring system to effectively ensure the 24-hour video monitoring, remote monitoring and the like of a cluster administrator over a cluster by own characteristics of convenience and mobility. Final test results show that the system has high communication real-time performance, video transmission smoothness and relatively higher image quality.

The invention relates to a movable zero-carbon energy and environment protection cottage, comprising cottage main body, a sewage treatment device, a house refuse treatment machine, a large-screen information display, a solar panel, a wind power generating device, a storage battery set, a controller and a road lamp. Compared with the prior art, the movable zero-carbon energy and environment protection cottage provided by the invention starts governing and recycling sewage and wastes from the source with the wind-solar complementary technology. The movable zero-carbon energy and environment protection cottage greatly is capable of increasing quality of rural life and improving residence environment and rural ecological environment under a condition that burden of users can not be increased, and is suitable for new rural reconstruction and men-enriching and settle-down engineering, also is suitable for field use in earthquake relief works.

The invention discloses a baffling type adsorption device applicable to sudden water pollution emergency treatment, relates to a water pollution emergency treatment device and aims to solve the existing problems. The baffling type adsorption device comprises a box body, a first partition board, a second partition board and filtering assemblies, wherein the upper part of the box body is open; a primary adsorption tank is formed in a space formed by the adjacent side walls of the first partition board and the box body; a secondary adsorption tank is formed in a space formed by the first partition board and the second partition board; a third-stage adsorption tank is formed in a space formed by the adjacent side walls of the second partition board and the box body; the filtering assemblies are arranged in internal cavities of the primary adsorption tank, the secondary adsorption tank and the third-stage adsorption tank; the filtering assemblies comprise meshed plate frames and N adsorption meshed plates; the N adsorption meshed plates are coaxially arranged in the vertical direction and are fixedly connected with the corresponding meshed plate frames; a transparent hole is formed in the bottom of the third-stage adsorption tank and is a water outlet. The baffling type adsorption device is applicable to sudden water pollution emergency treatment.

The invention discloses a filtering device for air purification equipment for metal processing. The filtering device comprises a bottom plate, a wet filtering box and a purification box; the four corners of the bottom of the wet filtering box are provided with stand columns; the center of the left side of the wet filtering box is provided with an air inflow pipe; the air inflow pipe is provided with an air feeder; a water tank is arranged at the top of the bottom plate and located below the wet filtering box; a motor is arranged on the left side of the water tank; a rotating shaft penetrating through the interior of the water tank is arranged at the output end of the motor; a water storage groove is arranged on the bottom side of the interior of the wet filtering box and located at the left end of a water pipe; a connecting pipe is arranged between the inner bottom of the water storage groove and the water tank; a circulating water pump is arranged on the connecting pipe; an exhaust pipe is arranged at the top of the purification box; and a gas detection sensor is arranged in the exhaust pipe. The filtering device has the advantages of being movable and recyclable, small size and simple structure; meanwhile, the harmful gas purification effect and efficiency are greatly improved through multi-stage purification, and practicability of the device is high.

The invention relates to a method for producing sky advertisement, wherein said method uses aircraft as carrier, to adhere advertisement on its surface to form sky advertisement; said aircraft comprises plane, airship, etc; and the content of sky advertisement can be word, pattern, mark in public benefit or non public benefit, commerce or non commerce object. The invention has movable property, wide view field, and large capacity, with wide application.

The invention relates to a method for microbiological treatment of rare earth ammonia nitrogen wastewater based on a vehicle-mounted treatment system. The method comprises the following steps: firstly, conveying high-pollution ammonia-nitrogen wastewater to be treated and photosynthetic autoheterotrophic mixed bacteria liquid into a facultative tank; measuring the pH value, the oxygen content andthe water temperature of the tail water, aerating for 3-5 hours, continuously injecting the tail water to be treated, and enabling the tail water to sequentially flow into an anaerobic tank and an aerobic tank step by step through overflow holes; and discharging the tail water treated by the aerobic tank outwards through an upper discharge pipe. A large-sized or medium-sized flat truck is adopted,the movable characteristic is achieved, and the tail water can be treated at a short distance according to the characteristic that tail water treatment places are scattered. And the treated tail water is superior to the national requirements of Discharge Standards of Pollutants for Rare Earth Industry. The ton treatment cost is extremely low, benefits are extremely remarkable, and application andpopularization are more convenient.

The present invention relates to the field of stairs, specifically a movable staircase, which includes a bottom layer, several middle layers and upper layers, and is characterized in that the thickness of the stair plate increases from top to bottom, and bottom wheels are provided on the bottom plate at the bottom end of the bottom layer. A chute is arranged above the lower layer and the middle layer, and a pulley is arranged below the upper layer and the middle layer, and the chute fits with the pulley. The stairs of this scheme are movable. When not in use, the upper, middle and lower stairs can be overlapped to reduce the occupied space.