37results about How to "Guaranteed settlement" patented technology

The invention discloses growth-promoting and insect-prevention amino acid water-soluble fertilizer. The growth-promoting and insect-prevention amino acid water-soluble fertilizer is prepared from thefollowing raw materials in parts by weight: 10 to 18 parts of molasses, 35 to 65 parts of amino acid mother liquid, 2 to 15 parts of a biogenic insect-repelling agent, 5 to 10 parts of an emulsifyingdispersant and 10 to 30 parts of a nitrogen phosphorus potassium raw material. The amino acid water-soluble fertilizer disclosed by the invention can be used for effectively preventing and treating common aboveground insects including aphids, giant worms, adoxophyes cyrtosema meyrick, thrips and the like which are common in facility production; the growth of roots of crops can be promoted by adopting a drip irrigation and near-root fertilizer application manner; organic active substances of the amino acid and the molasses in the product can be used for buffering and adjusting an edaphone community and physicochemical properties and the dual aims of efficient utilization of nutrients and healthy growth of the crops are realized; a foundation is laid for improving the quality of fruits of the crops and improving the stress resistance of the crops; meanwhile, the utilization of pesticide and chemical fertilizer is reduced and the fertilizer has good ecological benefits.

The invention provides a construction method for additionally building a high-speed railway roadbed in parallel with an existing high-speed railway. The method comprises the steps of arranging a lengthened cast-in-situ bored pile at the slope toe of a side slope of the existing high-speed railway roadbed; after the cast-in-situ bored piles reach certain strength, arranging prestressed pipe piles in the subgrade foundation range of the newly-built high-speed railway; removing the slope surface protection of the existing high-speed railway roadbed slope, and digging a large step; pouring a concrete cushion layer on the top of the prestressed pipe pile, laying an impermeable layer, and pouring foam light soil; and constructing roadbed slope protection. Under the condition that the existing high-speed railway with the speed of 350 km/h is parallel, the functional use requirements of the newly-built high-speed railway with the speed of 350 km/h can be met, the roadbed base stress diffusion of the newly-built high-speed railway does not influence the operation of the existing high-speed railway, and the roadbed settlement of the existing high-speed railway is not influenced; the stability of the newly-built roadbed and the existing roadbed, the settlement amount and the transverse displacement in the operation period meet the standard requirements, and the use function requirements of the newly-built roadbed and the existing roadbed are met.

The invention belongs to the field of geotechnical engineering, and particularly relates to a foundation treatment structure suitable for a deep soft foundation with a sandwiched thin bearing stratumand a construction method. The foundation treatment structure comprises a raft, a mattress layer, pipe piles and stirring piles, wherein the mattress layer is arranged at the bottom of the raft and located at the top of an upper soft soil foundation layer; the pipe piles are arranged at intervals and arranged at the bottom of the mattress layer, and the lower ends of the pipe piles are located ina middle bearing stratum; and the stirring piles are arranged at intervals and arranged at the bottom of the mattress layer and located in the upper soft soil foundation layer. According to the foundation treatment structure suitable for the deep soft foundation with the sandwiched thin bearing stratum, the engineering investment is saved; and settlement of a composite foundation is reduced, the bearing capacity of the composite foundation is improved, and the problems that the foundation settlement is large, the foundation bearing capacity is low and the pipe piles are prone to piercing the middle bearing stratum when the pipe piles are located in the middle bearing stratum are solved.

The invention discloses a waterproofing treatment method for a seam between a novel station and an old station, comprising the following steps: reinforcing steel bars (2) are horizontally or vertically arranged inside an underground wall (1) of the old station; steel corbels (4) are arranged on connecting positions of crest slabs (3) of the novel station and the underground wall (1) of the old station and welded with embedded reinforcing steel bars (2); reinforcing mat plates (5) are arranged under the corbels (4); water swelling putty water-stop strips (6) and full-face injectable slip-casting pipes (7) are arranged on the connecting positions of the crest slabs (3) of the novel station and the underground wall (1), and the last step is to inject cement slurry in the slip-casting pipes. The invention can fully solve the structural water leakage problem due to differential settlement when the novel structure is connected with the old structure. After the waterproof node processing technology of the invention is adopted, water resistance in the seam of the novel structure and the old structure is effectively guaranteed and simultaneously settlement between the two structures is guaranteed.

The invention discloses a horizontal-expansion lumbar vertebrae intervertebral fusion machine which can achieve minimally invasive implantation and relates to the field of medical apparatus and instruments. The fusion machine comprises a fusion machine body and a movable part, the movable part is arranged to slide along an inner cavity of the fusion machine body, a blocking part is fixedly arranged at one end of the fusion machine body, and the blocking part is arranged to prevent the movable part from being separated from the fusion machine body. The upper side surface and the lower side surface of the fusion machine body are provided with rough patterns. The inner cavity is provided with a first hole which runs through the inner cavity up and down and/or a second hole which runs throughthe inner cavity front and back. According to the lumbar vertebrae intervertebral fusion machine, the three-dimensional scale of the fusion machine is small before the fusion machine is spread, the fusion machine can be horizontally spread and expanded after the fusion machine is invasively implanted into the intervertebral gap through the intervertebral hole admission passage, the large bone grafting bed area can be provided, the main body supporting area that the fusion machine is in contact with an end plate is also greatly increased compared with a traditional fusion machine, the good initial stability can be achieved, the intervertebral fusion rate can be further improved, and the fusion machine helps to effectively lower sedimentation of the fusion machine.

The invention relates to a cooling device for machine tool machining. The cooling device includes an installation seat; the installation seat is provided with a cooling spraying nozzle group; the installation seat is circular, the center of the installation seat is provided with a through hole through which a main shaft can pass; the cooling spraying nozzle group includes a first spraying nozzle group and a second spraying nozzle group; the first spraying nozzle group includes a first circular water inlet pipe and a plurality of first spraying nozzles which are arranged on the first water inlet pipe at an equal interval and can adjust the spraying direction; the second spraying nozzle group includes a second circular water inlet pipe and a plurality of second spraying nozzles which are arranged on the second water inlet pipe at an equal interval; the outer periphery of the installation seat is provided with a circular baffle sheet; the first spraying group and the second spraying group are arranged in the circular baffle sheet, and the second spraying nozzles face the circular baffle sheet. The cooling device is high in universality, can be used to machine common parts, and can achieve a good effect while machining parts which can generate ash.

The invention discloses a particle bed filtering and dust removing device. The device comprises a casing, wherein a dust-containing air inlet is arranged at the top of the casing, a dust outlet is arranged at the bottom of the casing, at least two layers of particle bed filters are vertically arranged in the casing, a back blowing air settling chamber is formed inside, a gap between the inner wall of the casing and the peripheries of the particle bed filters serves as an airflow chamber, the back blowing air settling chamber penetrates through at least two layers of particle bed filters from the lowest layer, the back blowing air settling chamber communicates with the dust outlet, each particle bed filter which is not penetrated by the back blowing air settling chamber comprises at least one filter unit, each particle bed filter which is penetrated by the back blowing air settling chamber comprises at least two filter units distributed on two sides of the back blowing air settling chamber, the airflow chamber and the back blowing air settling chamber communicate with a dust-containing air vent port, and a first inertia separation air deflector forming an angle of 10-45 degrees with the vertical direction is arranged at the dust-containing air vent port in the back blowing air settling chamber. The device has the advantages that back blowing air flows downwards and settling and discharge of dust are effectively guaranteed.

The invention relates to a construction method of a soft surrounding rock tunnel collapse cave foam concrete backfill structure. The construction method comprises the following steps of 1) conducting constructing and manufacturing; (2) excavating a manual hole digging pile; 3) binding a reinforcement cage; (4) bearing platform construction; 5) backfilling small karst caves at the bottom of the tunnel; (6) forming small waterless karst caves in the side wall of the tunnel; (7) conducting vault crack construction; (8) backfilling the tunnel vault small waterless karst cave; (9) constructing a pre-embedded steel frame of a supporting wall; (10) conducting supporting wall and lining construction; (11) conducting secondary lining construction; 12) conducting back pressure backfilling; and (13) conducting tunnel roadbed construction. The method has the beneficial effects that a retaining wall of the manual hole digging pile adopts an assembly type, and a water escape valve is arranged on the retaining wall, so that the water escape valve can be opened and closed at any time according to the water quantity around the hole, the safety in the hole digging construction process is ensured, and the construction efficiency can be improved by using the assembly type technology.

The invention discloses a construction method for controlling settlement convergence of a shallow buried loess tunnel with a high water level. The construction method includes the following steps that(1) precipitation of a precipitation well is achieved; (2) the reserved deformation amount is determined; (3) the step height is determined; (4) upper step excavation and preliminary bracing are achieved; (5) an upper step false stull is applied; (6) one sides of middle steps are excavated, and preliminary bracing is achieved; (7) a middle step false stull is applied; (8) one sides of lower stepsare excavated, and preliminary bracing is achieved; (9) primary support closed-loop construction is achieved; (10) secondary lining invert arch pouring is achieved; and (11) pouring of secondary lining arch wall is achieved. According to the method, design is reasonable, economic and social benefits are obvious, energy saving and environmental protection can meet the standard requirements, the technology reaches the advanced level in China, the method is used for quick installation construction of large-span, cross-railway transit T-shaped steel box girders, and the good application and promotion value is achieved.

The invention provides a water endogenous pollutant treatment system which comprises a flushing device, an air floatation separation device, a dosing device and a sludge treatment device. Compared with the prior art, the method has the advantages that air-flushing rotational flow washing, dosing flocculation and micro-nano bubble air floatation are adopted for cooperative treatment, so that the problems that in the prior art, the sludge amount is large, the treatment cost is high, the water quality is slowly improved, and the water quality cannot be effectively improved are solved; by adoptingthe treatment system disclosed by the invention, light organic pollutants in the bottom mud can be effectively removed, a large amount of heavy mud and sand are prevented from being removed, the desilting amount is remarkably reduced, and the sludge generation amount is only 1/10 of that of a traditional desilting method. According to the invention, the purposes of sludge elution, pollutant separation and clear water returning to the river are synchronously achieved, and the water quality of the water body is rapidly improved. In addition, the invention further provides a water endogenous pollutant treatment method.

The invention belongs to the technical field of airport operation guarantee, and particularly provides an airport electric equipment intelligent management platform based on the Internet of Things andan airport intelligent system. The airport electric equipment intelligent management platform based on the Internet of Things comprises an electrically driven vehicle data acquisition terminal, an electrically driven special equipment data acquisition terminal, a charging pile data acquisition terminal and an Internet of Things management terminal. The airport intelligent system comprises an electrically-driven vehicle, electrically-driven special equipment, a charging pile and the airport electric equipment intelligent management platform based on the Internet of Things. According to the invention, settlement of guarantee services is facilitated, an operation guarantee scheme is optimized, the management efficiency is improved, parameters influencing safe operation of the electric driveequipment can be monitored in real time, the safe operation level and the intelligent management level of an airport are improved, and the system has the characteristics of reliable operation, convenient use and high management efficiency.

The invention provides a construction method of underground diaphragm walls close to subways. The construction method comprises the steps that (1) composite anchor piles are used for reinforcing and protecting bridge piles and roadbeds of the adjacent subways; (2) surveying and setting out are conducted; (3) excavation is conducted at the positions of guide walls according to surveying and settingout positioning parameters, then plain concrete cushion layers are poured, and guide wall construction is conducted; (4) all the underground diaphragm walls on the same straight line section are divided according to groove sections, and framing groove jumping construction is conducted; (5) a reinforcement cage is hoisted, and guide pipe arrangement and concrete pouring are conducted; and (6) in the step (1) and the steps (3) - (5), the deformation conditions of the bridge piles and the roadbeds of the adjacent subways are monitored, an accumulated deformation curve is generated according to monitored data, and construction parameters in the step (1) and the steps (3) - (5) are adjusted in time according to the deformation conditions. Through the technical scheme provided by the invention,the problem that in the prior art, the underground diaphragm walls close to the subways cannot meet the construction requirements can be solved.

The invention discloses a construction pipe jacking process of a new pipe-roofing method. The construction pipe jacking process comprises the following steps that firstly, water level geological investigation is conducted, and monitoring points are arranged; 2, a starting well and a receiving well are made; 3, construction pipe parameters are determined; fourthly, a pilot hole is punched; 5, jacking a wall protecting pipe and installing a steel wire rope; 6, connecting the steel wire rope with the construction pipe; step 7, mounting and debugging; 8, the construction pipe is jacked, and meanwhile the steel wire rope applies pulling force to the front end of the construction pipe; and step 9, obstacle detection. According to the method, ground surface settlement is controlled and observed all the time in the construction process, top deviation in the construction pipe jacking process is effectively reduced, stratum disturbance caused by deviation correction is greatly reduced, and ground surface settlement is effectively reduced.

The invention discloses a static settling sewage treatment device and method for modification and purification of sludge. The device comprises a tank body, wherein the tank body is divided into a settling cavity and a water storage cavity by a partition plate; and an oil overflowing and drainage groove is formed in the top of the settling cavity, inclined pipe filler is arranged in the middle of the settling cavity, and a drainage port, a drainage pipe, a flotation device and a water distributor are arranged at the bottom of the settling cavity. According to the device, sludge is modified by utilizing a sludge modification treatment agent and is cooperated with other sewage treatment agents for treatment; the device is used for modification treatment and repeated use of the sludge; in the operation process of the device, the modified sludge in the settling cavity is recycled and periodically replaced; the quality of treated sewage can stably reach a standard; and compared with a conventional process, treatment cost is reduced by 50% or more, a sludge amount is reduced by 90% or more, cost is saved, and a sludge discharge amount is reduced.

The invention discloses a biomass gasification extract liquid cooling device. The biomass gasification extract liquid cooling device comprises cooling pipes and a cooling fan. Each cooling pipe comprises a motor, an outer pipe with fins, a middle threaded rod, a threaded push plate for cleaning tar, a bearing, a fixed end socket and the like, wherein the threaded push plate is matched with the middle threaded rod through a screw pair; and the motor rotates to drive the cleaning plate to axially move so as to periodically clean tar accumulated in the pipe and guarantee the heat exchange effect. The cooling fan is arranged below the cooling pipes. Heat of the cooling pipes is taken away through air blasting, and accordingly extract liquid is cooled. By adopting the biomass gasification extract liquid cooling device, the problem that the heat exchange effect is reduced through a traditional indirect cooling method due to tar accumulated in pipelines is solved; and the environmental protection problem that VOC generated in the air by a direct cooling tower exceeds the standard is solved as well.

The invention discloses a dust suppression material as well as a preparation method and application thereof, relates to the field of dust suppression, and aims to solve the technical problem that an existing dust suppression material in the prior art cannot meet the dust content requirement of a mine. The dust suppression material provided by the embodiment of the invention is prepared according to the following formula: the formula at least comprises the following components in parts by weight: 60-90 parts of a cementing material; 18 to 35 parts of an adhesive; 1 to 8 parts of an accelerator; 2-5 parts of a water reducing agent; 8 to 15 parts of a water-retaining agent; 21 to 43 parts of a wetting agent; the cementing material is a combination of one or more of sulphoaluminate cement, Portland cement and aluminoferrite cement in any proportion; the accelerator is sodium metaaluminate; the water reducing agent is a polycarboxylic acid water reducing agent; the wetting agent is a surfactant. The dust suppression material is used for treating mine coal dust.

The invention provides a goods taking device for an unmanned supermarket and a goods taking method. The goods taking device comprises a bracket, a horizontal moving mechanism, a linear moving mechanism, a goods taking mechanism and a controller, wherein the linear moving mechanism is vertically arranged, the upper and lower ends thereof are in sliding connection with the bracket; the goods takingmechanism is in transmission connection with the linear moving mechanism; the linear moving mechanism drives the goods taking mechanism to move up and down; the horizontal moving mechanism is arrangedon the bracket, and is in transmission connection with the upper end and the lower end of the linear moving mechanism; the horizontal moving mechanism drives the linear moving mechanism and the goodstaking mechanism to move on the bracket; a moving track of the linear moving mechanism on the horizontal plane is annular; the horizontal moving mechanism, the linear moving mechanism and the goods taking mechanism are electrically connected with the controller; and the controller is in communication connection with a server side. The goods taking device for the unmanned supermarket and the goodstaking method provided by the invention guarantee that settlement of delivered goods is completed, shorten the goods taking time, and improve the goods taking efficiency.