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117results about How to "No standing water" patented technology

Fast baking process of environment protecting water and air permeable brick in roller kiln

The present invention is the production process of environment protecting water and air permeable brick in roller kiln. The brick is produced with waste and has excellent noise absorbing performance, excellent water and air permeability, high safety and technological performance.
Owner:广东唯美新技术实业有限公司

Cement concrete permeable brick, permeable road and production methods thereof

The invention relates to a cement concrete permeable brick, a cement concrete permeable road and production methods thereof. At present, most of urban construction adopting the rigid hardened ground has the problems of dust blowing at a fine day, water accumulation and impermeable ground at a rainy day, no groundwater level supplement, no relief of urban heat island effect, and the like. The invention aims to develop a cement concrete permeable brick, a cement concrete permeable road and production methods thereof. The cement concrete permeable brick is formed by pressing and molding a base material layer and a surface material layer, and both the base material layer and the surface material layer contain cement, sand, stone, water adsorbing resin, asphalt powder, diffusant and a water reducing agent. The production method of the permeable brick is realized by molding the permeable brick by a computer full-automatic building block forming machine; and the production method of the cement concrete permeable road is realized by directly pressing the cement concrete permeable road through a road roller. The invention can achieve the aims of water adsorption, water retention, permeability and practicability, can be widely used for a highway, an airport runway, a roadway, a footway, a square, garden construction, and the like and solve the problem of road icing.
Owner:SHAANXI SUNSHINE RAIN ECOLOGICAL TECH

Concrete water-permeable brick using steel slag as aggregate

The invention discloses a concrete permeable brick of steel slag as aggregate, which comprises the following steps: allocating raw material with 70-85% steel slag with grinding value less than 5% and free calcium oxide less than 3%, 10-25% C52.5 low-alkaline cement, 0.5-6% reinforcer, 0-3% coloring powder and 3.5-5% water; blending raw materials in the mixer; distributing; molding; obtaining the product.
Owner:SUZHOU HUAJIA NEW BUILDING

Root restriction culture method for preventing passion fruit base rot disease

ActiveCN107535247AEarly floweringGuarantee the basic needs of nutrition during the reproductive periodCultivating equipmentsPlant protectionDiseasePlant cultivation
The invention discloses a root restriction culture method for preventing the passion fruit base rot disease, and belongs to the field of plant cultivation. The method comprises the following steps ofvirus-free seedling selection, substrate preparation, canopy frame construction, planting vessel installation and current year cultivation and management. By selecting virus-free seedlings for planting, a special substrate, a special planting vessel and a reasonable biennial culture mode are prepared for solving the passion fruit virus disease from the source, the problem of the passion fruit baserot disease in the planting process is solved, the effect of preventing and treating bacterium breeding is achieved, and the requirement for growth environment needed by passion fruit planting is met. Passion fruit virus disease spreading can be controlled, the base rot disease outbreak tendency can be controlled, and the purposes of high efficiency and high production of passion fruit are achieved.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Rainwater-collection recycling system and construction method thereof

The invention discloses a rainwater-collection recycling system and a construction method thereof. The rainwater-collection recycling system comprises a control system, an initial-rainwater flow dividing well, a water storage pool, a first lifting well, a filtering disinfecting chamber, a clean water pool and a second lifting well, wherein the initial-rainwater flow dividing well, the water storage pool, the first lifting well, the filtering disinfecting chamber, the clean water pool and the second lifting well are sequentially communicated. The first lifting well is communicated with the bottom of the water storage pool and arranged in the water storage pool, and the second lifting well is communicated with the bottom of the clean water pool, arranged in the clean water pool and connected with a recycling point pipe; a stopping weir is arranged in the initial-rainwater flow dividing well, a flow discarding groove is formed in the lower portion of the stopping weir, a rainwater feeding pipe is arranged on the side wall of a water distribution area, the height of the rainwater feeding pipe and the height of the pipe bottom of a first water discharging pipe are larger than or equal to the height of the groove top of the flow discarding groove, and the pipe bottom of an overflowing pipe is flush with the groove bottom of the flow discarding groove; a plurality of back washing pipes are laid on the bottom of the water storage pool, the outer surface of the water storage pool and the outer surface of the clean water pool are sequentially covered with an anti-seepage film layer preventing water seepage and a geotechnical cloth layer from inside to outside, construction and maintenance are convenient, and the recycled rainwater quality is high.
Owner:SDCIC CONSTR GRP CO LTD

Fertilizer-water integrated underground layering irrigation system

The present invention discloses a fertilizer-water integrated underground layering irrigation system, which comprises a fertilizer preparing stirring device, a liquid storage pool, a water storage device and an underground layering irrigation device, wherein the fertilizer preparing stirring device and the water storage device are communicated to the liquid storage pool respectively through pipelines, the liquid storage pool is communicated to the underground layering irrigation device, and the underground layering irrigation device is arranged under the soil layer. With the system of the present invention, the waste of the fertilizer during the fertilizer application process can be avoided, the fertilizer application amount can be effectively reduced, the characteristics of high fertilizer application efficiency and uniform fertilizer application are provided, the quantitative irrigation on crops can be achieved, the irrigation belongs to the underground irrigation, the water loss during the irrigation process is effectively reduced, the controllability is good, the requirements of different crops and plants at different growth stages on water can be met, and the effects of water saving and crop growth promotion are achieved.
Owner:KUNMING UNIV OF SCI & TECH

Pervious environment protection encarpus brick and method for producing the same

InactiveCN101586324AEfficient supplySolve problems such as floating dustSingle unit pavingsCeramic shaping apparatusBrickMaterials science
The present invention relates to a pervious environment protection encarpus brick and a method for producing the same, including a plus material and a bottom material, wherein the plus material is composed of emery sand, common silicates P.O42.5 grade cement, pigment and water, and the bottom material is composed of refined pisolite, common silicates P.O42.5 grade cement and water. The encarpus brick of the invention has an elegance and beautiful appearance, is ecological, environment protection, pervious, ventilated, radiating and skidproof, and may be used for laying for metro roads, large-sized parks, sports gymnasium, high-grade buildings, speedway service zone, plaza, shipside, parking grounds, district roads and the like, and is worthy to employ and popularize extensively.
Owner:广州市坚基环保数码彩砖有限公司

Urban road greenbelt LID (low impact development) bioretention trough construction method

ActiveCN107100227AReduce the amount of engineering constructionReduce O&M requirements and costsSewerage structuresGeneral water supply conservationBioretentionEnvironment of Albania
The invention provides a urban road greenbelt LID (low impact development) bioretention trough construction method. The construction method sequentially comprises the following steps: excavating grooves and pits; installing a plastic product inspection well and a municipal pipe network connecting pipe; implementing concrete trench wall construction; paving sand on a basement; paving an impermeable membrane; paving and adding a pebble bed; installing an HDPE (high-density polyethylene) perforated pipe and filling the perforated pipe with pebbles; paving and illuminating a permeable geotextile on lower layer; adding and paving a sand filter bed; paving and illuminating a permeable geotextile on upper layer; installing curbs at two sides; implementing back-filling with a planting soil layer; installing rainwater grates and well coves and implementing construction of a gravel block belt; planting plants; and implementing cleaning as well as acceptance and inspection. According to the construction method provided by the invention, a conventional drainage mode, adopted by urban roads, of direct discharging at a source and centralizing at an end, is changed, and a problem on drainage is solved; meanwhile, by planting the rainwater-cultivated plants in the bioretention trough in normal times, rainwater is utilized; and a urban heat island effect is solved and effects of lighting urban and beautifying environment are achieved.
Owner:NO 1 CONSTR ENG CO LTD OF GUIZHOU CONSTR & ENG GRP

Water permeable concrete

The invention provides a water permeable concrete, which comprises the following components in parts by weight: 100 parts of cement (P.042.5 grade), 400 to 600 parts of broken stone, 1 to 10 parts of binding agent, and 20 to 40 parts of water, wherein the binding agent is styrene-butadiene copolymer and the particle size of the aggregate is 5 to 40 millimeters. The water permeability of provided concrete can reach 10 to 40 millimeters / second, and the compressive strength can reach 15 to 35 MPa. The cost of the water permeable concrete is low, and the water permeable concrete is suitable for pavement, light type road, square, and parking lot and is especially suitable for places which are hard to drain.
Owner:CHONGQING WENYANG CONSTR ENG CONSULTING CO LTD

Recycled aggregate total pervious concrete pavement structure and construction method thereof

The invention discloses a recycled aggregate total pervious concrete pavement structure and a construction method thereof. The pavement structure comprises a pervious cushion ply, a pervious base layer, a pervious surface layer and a pervious cover layer paved from bottom to top; the pervious cushion ply is made from natural gravels; the pervious base layer and the pervious surface layer are recycled aggregate total pervious concrete; and the pervious cover layer is pervious concrete prepared from a aggregate. The pavement structure disclosed by the invention is relatively good in water permeability and wear resistance.
Owner:湖南顺天建设集团有限公司

Novel deodorization floor drain core

The invention discloses a novel deodorization floor drain core. The novel deodorization floor drain core comprises an upper cover plate, a filter net and a core tube, wherein the upper side of the upper cover plate is sleeved with the filter net, the core tube is arranged below the filter net, an upper thread is arranged at the upper end of the outer side of the core tube, the lower end of the outer side of the core tube is provided with a lower thread, the core tube is connected with the upper cover plate through the upper thread, a press angle is arranged on the periphery of the inner diameter of the upper end of the core tube, an upper filter core, an upper inner core tube, a lower filter core and a lower inner core tube are arranged on the lower side of the press angle in sequence, an inner press foot is arranged on the periphery of the inner diameter on the lower end of the upper inner core tube, an outer thread is arranged on the outer diameter of the lower end of the lower inner core tube, the upper filter core is jacked against the lower side of the press angle by the upper inner core tube, the lower filter core is jacked against the lower side of the inner press foot by the lower inner core tube, the lower inner core tube is connected with the core tube through the outer thread, supporting wings are arranged on the two sides of the upper filter core and the two sides of the lower filter core, and self closing water outlets are formed in the lower sides of the upper filter core and the lower filter core. The novel deodorization floor drain core has the advantages that the water-free sealing is achieved, the water draining speed is fast, the sealing effect is good, the service life is long, the maintenance cost is low, blocking is not prone to happen, and straight-through type water draining is achieved.
Owner:董伟

Method for semi-mechanically transplanting rice stubble rapes under condition of returning all straws

ActiveCN103039244AAvoid the bad phenomenon of root rot and deathReduce widthHorticultureCombine harvesterMechanization
A method for semi-mechanically transplanting rice stubble rapes under condition of returning all straws is characterized by including three steps of smashing straws to return to field by straw machinery, ditching, upturning soil and bedding mechanically and arranging and planting the rice stubble rapes on the field in a laborsaving manner. In the first step, a rice crop combined harvester with a straw smashing device and a rice crop throwing device is utilized to harvest and function in returning rice crops to the field in situ, reducing labor for carrying the rice crops and returning the rice crops and preventing upturned soil from falling into ditches; in the second step, a double-side ploughshare type plough machine is utilized to ditch and realize effects of reducing labor and labor intensity and saving labor cost; and in the third step, gently arranging seedlings of the rapes to be close to lateral sides of the upturned soil beside the ditches and on the surface of the field, tightly covering the soil on roots of the seedlings to function in surviving the seedlings of the rapes and enabling the strong seedlings to be premature. The method for semi-mechanically transplanting the rice stubble rapes under condition of returning all straws is a novel simplified rape transplanting method which can save labor cost, reduce labor intensity and is beneficial to premature of the seedlings, and the purposes that mechanization rate in rape planting links is up to 70%, and the straws are all returned to the field are achieved.
Owner:江苏太湖地区农业科学研究所

Construction method for deep foundation pit of elevator shaft

The invention provides a construction method for a deep foundation pit of an elevator shaft. The construction method comprises the following steps that construction of an auxiliary precipitation pit is firstly conducted; the depth of the auxiliary precipitation pit is 1-2 m larger than that of the deepest position of the deep foundation pit of the elevator shaft, and water drawing is conducted; then construction of the deep foundation pit of the elevator shaft is conducted, the deep foundation pit is made into a funnel-shaped water collection pit with the diameter of the bottom smaller than that of the top, and then water drawing is conducted; construction is conducted according to a drawing of the deep foundation pit of the elevator shaft, and water stop steel plates with the thickness of 3-5 mm are laid; construction is conducted on a waterproof layer of the surface of the elevator shaft; and finally concrete pouring is conducted. According to the construction method, construction is easy, the water level of a construction area of the elevator shaft can be lowered below the lowest point of the elevator shaft, it is guaranteed that no water is accumulated in the elevator shaft, then construction of the next procedure is conducted, and therefore water seepage risks are reduced, construction quality is improved, the construction period is shortened, and the aim of lowering cost is achieved.
Owner:CHINA FIRST METALLURGICAL GROUP

Buffer self-attraction vertical type board body drawer structure

ActiveCN104586120ARealize self-buffering functionExtended service lifeDrawersEngineeringUltimate tensile strength
The invention discloses a buffer self-attraction vertical type board body drawer structure. The buffer self-attraction vertical type board body drawer structure comprises a pair of riding buffer guide rails, a pulling basket assembly for containing tableware, a drawer assembly, a cabinet inner container and a draw fixing support set; the draw fixing support set and the drawer assembly are riveted into a whole to be fixed to the riding buffer guide rails in a locking manner to form a vertical type mutual supporting intensity board body drawer structure; the drawer self buffer attraction function is achieved; pulling and pushing are stable; mutual collision between the tableware is avoided in the pulling-and-pushing process; and the bearing intensity is high. Meanwhile, the service life of a drawer is long; the condition that the drawer is not closed in place in the using process of the user is avoided; and the buffer self-attraction vertical type board body drawer structure is more user-friendly. The riding buffer guide rails are fixed to the cabinet inner container, and the bottoms of the riding buffer guide rails are installed on the lateral faces of the cabinet inner container in a locked manner, so that the lateral-fixation bottom-supporting high-supporting-force effect is achieved. In addition, the drawer structure further has the functions of drawer water collecting, cabinet inner container bottom plate water guiding and cavity externally-arranged water receiving box water receiving; a water collecting box can be taken out, and therefore convenience is brought to washing; and the pulling basket assembly can be taken out, so that accumulated water in the drawer is avoided, cleaning is simple and convenient, and an inner cavity is clean and dry.
Owner:SAKURA BATH & KITCHEN PRODS CHINA

Water tank assembly and steam equipment

The invention discloses a water tank assembly and steam equipment. The water tank assembly comprises a water tank (8); a water supply channel (82) is formed in the water tank (8); the water supply channel (82) is positioned in a non-bottom panel of the water tank (8); the water tank assembly also comprises a power device which is communicated with the water supply channel (82) and is used for driving liquid to flow out of and flow into the water tank (8), and a suction pipe structure (7) which is connected with the water supply channel (82) and extends into the water tank (8). According to the water tank assembly provided by the invention, water is prevented from being accumulated in the water supply channel and a connecting part which is connected with the water supply channel, so that the water is not accumulated near the water supply channel; therefore, the situation that accumulated water flows out to pollute the interior of the equipment during assembling and disassembling processes is avoided; the safety and sanitation performance of the overall equipment is improved; the accumulated water in cleaning equipment is avoided; a user can clean the water tank assembly conveniently; the cleaning time is shortened; the cleaning efficiency is improved.
Owner:GREE ELECTRIC APPLIANCES INC

All-weather cleaning sweeper truck

The invention discloses an all-weather cleaning sweeper truck. The all-weather cleaning sweeper truck comprises a truck chassis; a garbage bin, a water tank, a fan and a suction nozzle component are arranged on the truck chassis; the suction nozzle component comprises a main suction nozzle and two sub suction nozzles, which are respectively arranged under the truck chassis; water spraying frames are arranged in the main suction nozzle and the two sub suction nozzles; a plurality of water spraying nozzles are formed in the water spraying frames at intervals in the length directions of the water spraying frames; a high pressure water pump is also arranged on the truck chassis; a water inlet end of the high pressure water pump is in communication with a water outlet of the water tank; a water outlet end of the high pressure water pump is respectively in communication with the water spraying frames in the main suction nozzle and the two sub suction nozzles through water outlet pipelines; and heating devices are laid outside the water outlet pipelines in the extending directions of the water outlet pipelines. The all-weather cleaning sweeper truck can be guaranteed to normally run in all weathers and guarantee clean and dry road surfaces. Particularly, under a low temperature condition, the all-weather cleaning sweeper truck can guarantee that water way systems are non-icing, water on the cleaned road surfaces are all absorbed, the cleaned road surfaces are dry without accumulated water.
Owner:FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIP

Water level detection and automatic water discharging system of engine compartment direct-current electric pump for power surfboard

The invention relates to a water discharging system of a power surfboard or a motorboat, in particular to a water level detection and automatic water discharging system of an engine compartment direct-current electric pump for the power surfboard. The water level detection and automatic water discharging system comprises a water discharging pipe, wherein a water inlet of the water discharging pipe is formed in a soleplate on the inner tail part of an engine compartment, and a water outlet of the water discharging pipe runs out of an engine compartment water discharging opening located in a top panel of a floating plate body; the water discharging pipe is provided with an engine compartment water discharging filter and a direct-current electric water discharging pump, a water level detector is arranged on the soleplate on the inner tail part of the engine compartment, both the direct-current electric water discharging pump and the water level detector are communicated with a controller, with a single chip microcomputer, of a control system through a conducting wire, the water level detector feeds a detection signal back to the controller with the single chip microcomputer, and the controller with the single chip microcomputer controls the direct-current electric water discharging pump to run automatically. By adopting the structure, the back flowing of water is avoided, no accumulated water in the engine compartment is guaranteed, and the application performance is improved.
Owner:广西特飞云天航空动力科技有限公司

City comprehensive pipe gallery structure

The invention discloses a city comprehensive pipe gallery structure. The city comprehensive pipe gallery structure comprises a rainwater pipe, a rainwater inspection well, a comprehensive bin and a rainwater bin; a connecting opening is formed in one side of the rainwater inspection well, and the rainwater pipe is communicated with the rainwater inspection well through the connecting opening; the comprehensive bin is arranged on the other side of the rainwater inspection well; the city comprehensive pipe gallery structure further comprises a sewage bin, the comprehensive bin is arranged on one side of the sewage bin, and a sewage inlet pipe is arranged on the other side of the sewage bin; the sewage bin and the comprehensive bin are arranged on the upper side of the rainwater bin, and the bottoms of the sewage bin and the comprehensive bin are the top of the rainwater bin; the side, close to the rainwater inspection well, of the rainwater bin is provided with a preserved through hole, and the rainwater inspection well is communicated with the rainwater bin through the preserved through hole; and the bottoms of the comprehensive bin and the sewage bin are each provided with a one-way hole allowing liquid to flow into the rainwater bin, and the comprehensive bin and the sewage bin are communicated with the rainwater bin through the one-way holes. By means of the city comprehensive pipe gallery structure, the phenomenon of pipe arrangement conflicts, the phenomenon that normal running of pipes is influenced by water accumulated in the bins and the like can be effectively avoided.
Owner:许陈菲

Anti-blocking quick-infiltration pervious brick and method of selecting size of aggregate in anti-blocking surface layer

PendingCN108532407AEasy to make and promoteImprove urban ecological environmentSingle unit pavingsPaving gutters/kerbsStormwaterAsphalt
The invention discloses an anti-blocking quick-infiltration pervious brick and a method of selecting size of aggregate in an anti-blocking surface layer. The anti-blocking quick-infiltration perviousbrick comprises a quick infiltration base layer and an anti-blocking surface layer which is 0.5-1.0 cm in thickness; the middle of the anti-blocking surface layer is provided with a groove parallel tothe width of the brick; the length of the groove is equal to the width of the brick; the depth of the groove is equal to the thickness of the anti-blocking surface layer; the peripheral edge of the anti-blocking surface layer is provided with chamfer; the depth of the chamfer is equal to the thickness of the anti-blocking surface layer; the part, laid near an asphalt and cement pavement, of the anti-blocking surface layer is 20-40 mu m; the part, laid near a grassland and earth pavement, of the anti-blocking surface layer is 5-20 mu m in pore size. The method includes the steps of collectingsurface runoffs, analyzing particle size, selecting pore size, calculating aggregate size, and correcting the particle size of the aggregate. The anti-blocking quick-infiltration pervious brick and the method have the advantages that infiltrating area can be increased, surface ponding water can be decreased, good water perviousness and air breathability are provided, quick infiltration of rainwater is achieved, soil water and underground water are supplemented to keep soil moist, and urban conservation is increased.
Owner:HOHAI UNIV

High-quality winter jujube facility cultivation method

The invention discloses a high-quality winter jujube facility cultivation method, and belongs to the field of crop planting. The method includes the steps: garden land selection; greenhouse erecting;field preparation; tree seedling planting; temperature management; nutrient and water management; tree shape trimming; fruit bearing mainstay branch alternating; bee assisted pollination; fruit thinning; intertillage and weeding; disease and insect pest control. According to the method, a special controllable small-area environment is created for fruit trees, natural rainwater is avoided, irrigation periods and irrigation volume are flexibly adjusted, the trees and the fruits can be optimally irrigated at growth and development stages, the dehiscent fruit rate of winter jujubes is reduced, thequality of the winter jujubes is improved, the commodity rate of the winter jujubes is increased, occurrence and propagation of diseases and insect pests can be effectively controlled by facility cultivation, application of pesticides is less or avoided, an effective approach is provided for production of pollution-free green fruits, fertilizers are reasonably applied, biological insecticides are reasonably used, growth and development of the fruit trees are facilitated, high-quality and high-yield winter jujubes are produced, and agricultural ecological environments are protected.
Owner:盐城市双鹏农业科技发展有限公司

Magic color surface encaustic brick and preparation method

The invention relates to a multicolor-surface color brick and a preparation method thereof; the color brick consists of fabric and bottom material; the fabric consists of refined hard stone grain, fine-washed riversand, ordinary portland PO425 cement, paint and water; the bottom material consists of fine-washed riversand, small stone, ordinary portland PO425 cement and water; the fabric consists of two layers. The multicolor-surface color brick is ecological and environment protective, bright and colorful when laid on ground and has the functions of permeability, breathability and natural breathing; so the color brick can be widely used for laying for places such as municipal roads, large-scale parks, stadiums, high-level building groups and expressway service area, etc.
Owner:广州市坚基环保数码彩砖有限公司

Complete-set steel casing construction method of concrete cast-in-place bored pile passing through underground gallery

The invention provides a complete-set steel casing construction method of a concrete cast-in-place bored pile passing through an underground gallery. The method comprises the steps that a locating steel casing is buried; a rotary-digging drilling bucket or an auger bit is utilized to drill a hole in a soil body, and a protection steel casing follows up synchronously in the drilling process; when agallery top plate of the underground gallery is reached, a cylindrical coring bit is used instead for drilling on the gallery top plate, and the drilling tool is lifted up after penetration to take out a concrete core; the cylindrical coring bit continues to be utilized to drill through a gallery bottom plate of the underground gallery, and the drilling tool is lifted up to take out the concretecore; a partition steel casing is placed down; the rotary-digging drilling bucket is used instead to continue to drill into undisturbed soil and bed rock to a designed end hole position; a flat-bottomed rotary-digging drilling bucket is utilized to remove sediment at a hole bottom to ensure that the thickness of the sediment is controlled within a standard allowed range; a reinforcement cage is placed down; pile foundation concrete pouring is performed; the protection steel casing and the locating steel casing are taken out, and concrete is poured as supplement to finishing elevation; and construction of the concrete cast-in-place bored pile passing through the underground gallery is realized through the steps. Through the method, a working environment is obviously improved, and the methodis more environmentally friendly.
Owner:THREE GORNAVIGATION AUTHORITY

Heap-leaching dressing process for clay type gold mine

The invention discloses an ore selecting technique through piling method, which comprises the following steps: 1) grinding ore with grain size less than 5cm; 2) making particle; 3) constructing pile; paving a layer of straw to mask; cutting straw with length at 18-22cm; 4) sprinkling with strength at 20-40l / cm2 / h; setting the interval sprinkling time not less than 1.5h; blending clay gold and loose permeatible sawdust in the graining machine evenly with 1-5kg per ton; adding enough water.
Owner:钟志林

Drainage device for seepage of joints in deep foundation pit support structure and construction method of drainage device

The invention relates to a drainage device for seepage of joints of a deep foundation pit support structure and a construction method of the drainage device. The support structure is formed by splicing multiple groove sections. The spliced position of every two adjacent groove sections forms the joint. The drainage device comprises vertical flow guide structures, transverse flow guide structures and precipitation wells, wherein the vertical flow guide structures are embedded into the support structure and arranged along the joints, and the vertical flow guide structures communicate with the joints; the transverse flow guide structures are embedded into a bottom plate structure of a deep foundation pit and communicates with the vertical flow guide structures; and the precipitation wells communicate with the transverse flow guide structures and are located in the deep foundation pit. According to the drainage device, it can always be guaranteed that the support structure is free of wet stains, a pit bottom is free of water accumulation, structural construction is facilitated, and the safety and stability of the deep foundation pit are guaranteed; and in this way, in the constructionprocess of the deep foundation pit, the risk of seepage of the joints of the support structure is lowered, the construction quality of the work in the deep foundation pit is guaranteed, and the construction progress is accelerated.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Artificially excavated riding well and construction method thereof

InactiveCN107217725AReduce water seepageConvenient drainage effectSewerage structuresRebarCushion
The invention discloses an artificially excavated riding well. The artificially excavated riding well comprises a bricked protecting wall, a bricked well ring, a well lid and a reinforced concrete well ring, wherein graded broken stones are arranged at the bottom of the riding well, under a pipe and at the rear of the bricked protecting wall; a corrugated pipe is arranged in the graded broken stones; a reinforced concrete bottom plate is arranged on the graded broken stones; a certain number of PVC tubes are vertically arranged in the middle of the reinforced concrete well ring; and a pipe A and a pipe B are arranged on a side wall of the reinforced concrete well ring. The construction method comprises the following steps: (1) digging a hole artificially, and supporting by using a brick wall; (2) bricking to surround the well to the bottom of the well, laying a broken stone hardcore, burying a water channel tube, and placing a self-priming pump in the well for draining water; and (3) beginning to construct well bottom concrete cushion, and constructing the reinforced concrete bottom plate. The artificially excavated riding well has the advantages that the water percolating capacity of the structure is low, the water draining method is convenient and is good in water draining effect, the cost is low, particularly, water flowing out from the periphery of a dragging tube is guided out to guarantee that the bottom surface of concrete does not have accumulated water during pouring, and therefore, the construction quality is guaranteed.
Owner:NANTONG SHIPPING COLLEGE

Curing kiln for fabricated wallboards

The invention discloses a curing kiln for fabricated wallboards. The curing kiln for the fabricated wallboards comprises a kiln body. The kiln body is of a square structure with the front end and the rear end being open. A heat preservation and insulation layer is arranged on the inner wall of the kiln body. Movable doors are arranged at the front end and the rear end of the kiln body correspondingly. Sealing strips are arranged on the inner sides of the movable doors correspondingly. Two symmetrical rails are arranged on the lower plane of the kiln body. Steam fins are arranged between the rails. Air outlets are formed between the steam fins. A hot air pipe is arranged on the upper portion of the interior of the kiln body. An air outlet pipe is arranged on the upper portion of the kiln body. A control valve is arranged on the air outlet pipe. A temperature sensor is arranged below the control valve. According to the curing kiln for the fabricated wallboards, the complete sealing design is adopted, and the air outlet pipe is arranged, so that the stability of the temperature in the kiln is guaranteed, humidifying is conducted in the curing process, and the production efficiency is improved; in addition, the hot air pipe is additionally arranged, so that it is guaranteed that no water is accumulated at the top of the kiln; and the structural arrangement is reasonable, the operating cost is low, and the service life is long.
Owner:JIANGSU JINMAO TECH DEV

Pavement cleaning method and pavement cleaning vehicle

ActiveCN106759031AAvoid cleaning cornersPrevent splashing of mud and waterRoad cleaningSuction forcePonding
The invention provides a pavement cleaning method and a pavement cleaning vehicle implementing the method; a pavement is cleaned by at least one group of sprayed water flows, a negative pressure area is arranged in the middle of the sprayed water flows, the dust attached to the pavement and other surface refuse are removed from the pavement under the impact of the water flows, the sprayed water flows are reflected up under the reactive force of a ground, the reflected water flows assist in removing the dust and other surface refuse, and the refuse is charged into a refuse collection device under the action of suction force of negative pressure. The pavement cleaning method and the pavement cleaning vehicle can provide effective cleaning and collection for the dust on the pavement and other surface refuse, it is guaranteed that the cleaned pavement is free of ponding, the mud sputtering problem due to wheel rolling and the icing problem of the pavement in winter in the prior art are avoided effectively, and the cleaned pavement can be kept clean continuously.
Owner:刘兵

Garbage compression processing station and garbage processing method

The invention discloses a garbage compression processing station comprising an external wall body. A feeding port is formed in one side of the wall body; a ground pit is formed in the inner side of the feeding port; one side of the ground pit is provided with a garbage compression device; a garbage exchanging position is formed in one side of a garbage outlet of the garbage compression device; a controller controlling the garbage compression device is arranged on the external side of the wall body; the garbage compression device has a rack, a garbage case disposed in the rack and a compressionmechanism arranged over the garbage case; the garbage compression device further has a shoveling bucket arranged in front of the rack; the compression mechanism is formed by a pressurizing flat platecapable of vertically moving and a hydraulic piston rod arranged over the pressurizing flat plate; and the compression mechanism is provided with a pressure sensor sensing pressure applied to the pressurizing flat plate and a displacement sensor sensing vertical displacement of the pressurizing flat plate. The garbage compression processing station has great automation degree, is safe and clean,and easy to operate.
Owner:FUJIAN YONGZHI MACHINERY EQUIP
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