1484results about How to "Avoid Waterlogging Problems" patented technology

A mortar and debris collection device for a cavity wall construction has a non-water absorbent body formed with circuitous paths therethrough making the body water-permeable. The collection device has a porosity sufficient to permit water to pass therethrough but insufficient to permit mortar and other debris to pass therethrough to weep holes or other water channels covered by the collection debris. The device may be freely placed on the wall base within the cavity to cover the opening of a weep hole, or may also be placed on existing wall ties within the cavity.

The invention discloses a controlled-salinity cultivation method for plating crop on moderate and medium and severe saline-alkali soil, comprising: before sowing, irrigating saline-alkali soil for pressing salt and making soil moisture with fresh water; applying base fertilizer based on the principal of organic fertilizer into the saline-alkali soil; meanwhile, applying compound fertilizer suitable for the saline-alkali soil as the assistant material; then, ploughing soil, and raking with a leveller to preserve soil moisture; furrowing and making a ridge; covering films and sowing on the high position of the ridge; carrying out close planting; and spraying growth regulator. The cultivation method has the advantages of strong adaptability and high crop output, can be used for improving the utilization ratio of the fertilizer, quickeing the soil fertility cultivation process and bringomg high agricultural use benefits.

Mortar and debris collection systems for cavity wall construction and / or walls constructed from concrete masonry units (CMU), for example, include a mesh body made of a material that is formed with circuitous paths therethrough making the body water-permeable. The mesh body is formed of a material having enhanced hydrophobic properties. The mesh body has a porosity sufficient to permit water to pass therethrough but insufficient to permit mortar and other debris to pass therethrough to weep holes or other water channels covered by the collection debris.

The invention discloses a method for cultivating original alpine cuckoo, which comprises following steps: setting brandreth with its height being one meter in green house or booth, placing permeable and ventilating plastic crate on brandreth, feeding the plastic crate with 50-70% of humus soil or sward, 20-30% of perlite and 10-20% of decomposed wood dust, taking said mixing soil as culture medium, laying planus on said mixing soil, sowing original alpine cuckoo seed on planus, watering with normal procedure. The rate of emergence is 85%, and it is suitable to be used in south part of China.

A battery mounting structure is provided to prevent water intrusion into a clearance between a battery pack and a floor panel of a vehicle. The battery mounting structure comprises: frame members extending longitudinally on both sides of the vehicle; a floor panel disposed between the frame members; and a battery pack situated underneath the floor panel. A sealing member is interposed between a periphery of the battery pack and a portion extending from a member opposed to the battery pack, and a drain hole is formed in the sealing member to connect an inner side and an outer side of the sealing member.

A rotor blade extension for mounting over a tip of a wind turbine rotor blade, including an airfoil extension portion) configured to extend a length of the rotor blade, a leading edge portion configured to cover a profile of the leading edge of the rotor blade, and a trailing edge portion configured to cover a profile of the trailing edge of the rotor blade, is provided. A wind turbine including a number of rotor blades and a rotor blade extension mounted to each rotor blade is also provided.

The invention discloses a heavy metal contaminated soil remediation device which comprises a contaminated soil layer (1), wherein an isolated adsorption layer (2) covers the contaminated soil layer (1), and a soil dressing layer (4) is arranged on the upper surface of the isolated adsorption layer (2); accumulator plants (5) are planted on the soil dressing layer (4), and a permeable layer (3) is arranged in the soil dressing layer (4); a plurality of water collecting pipes (6) are arranged in the permeable layer (3), and a plurality of water inlet holes (8) are formed in the water collecting pipes (6). The invention further discloses an isolated remediation method using the device. The method comprises the following steps: adsorbing heavy metals in contaminated soil through the isolated adsorption layer (2), then enriching the heavy metals through the accumulator plants (5), removing the accumulator plants (5), and removing the heavy metals in the soil. The heavy metal contaminated soil remediation device has the advantages of low cost, small occupying space and high contaminated soil remediation efficiency.

The invention discloses a solar automatic lifting system for a rainwater grate; the solar automatic lifting system comprises a lifting device and a control mechanism which are arranged below the rainwater grate, and a solar power supply device which is externally arranged, wherein a mounting frame is detachably arranged on the sidewall of a drain well below the rainwater grate; the lifting device is composed of two shear arms which are relatively arranged and a linear motor; two ends of the shear arms are respectively arranged in the rainwater grate and a rail on the mounting frame in a sliding mode; the linear motor is arranged between the rainwater grate and the mounting frame; the control mechanism comprises an external rainfall sensor and a controller; and the controller is arranged inside the well wall of the sewer. The lifting system disclosed by the invention can be used for automatically lifting the rainwater grate according to rainfall, so as to solve the problem that rainwater cannot be removed timely in weathers of heavy rain and rainstorm since the cover of a conventional drain well cannot be opened timely.

The invention provides a full road condition ponding water level monitoring alarm and drainage device and belongs to the field of ponding monitoring alarm and drainage devices for traffics. The device is characterized by comprising a road ponding monitoring device, an overpass tunnel ponding monitoring device, a water level monitoring display device, a water level monitoring alarm device and an automatic drainage device. The road ponding monitoring device and the overpass tunnel ponding monitoring device are connected with the water level monitoring display device. The device can monitor the ponding water level of various road conditions in real time, and transmit data to a monitoring center in real time, and the data can also be directly displayed to serve as action reference for municipal administration and passers-by. In addition, the device can drain water intelligently and actively according to the monitored water level data, and urban water logging is avoided.

The present invention is directed to defrost a reducing agent with cooling water of an engine and to prevent water scale from being deposited and accumulated on a cooling water pipe for circulating the cooling water. A frozen reducing agent is defrosted by being heated with cooling water of an engine. A cooling water pipe for guiding the cooling water to a reducing agent tank is provided with a cutoff valve. To defrost the reducing agent, the cutoff valve is opened. Even in the case where the reducing agent is not frozen, the cutoff valve is opened for a predetermined period after start of the cutoff valve to circulate the cooling water in the cooling water pipe.

The present invention is directed to defrost a reducing agent with cooling water of an engine and to prevent water scale from being deposited and accumulated on a cooling water pipe for circulating the cooling water. A frozen reducing agent is defrosted by being heated with cooling water of an engine. A cooling water pipe for guiding the cooling water to a reducing agent tank is provided with a cutoff valve. To defrost the reducing agent, the cutoff valve is opened. Even in the case where the reducing agent is not frozen, the cutoff valve is opened for a predetermined period after start of the cutoff valve to circulate the cooling water in the cooling water pipe.

The invention provides water-permeable cement concrete. The water-permeable cement concrete is prepared by uniformly mixing cement, stones, sand, water, a water reducing agent, stone powder or stone slag, and polypropylene fibers in a weight ratio of 1:(3.5-5.5):(0.5-0.9):(0.2-0.35):(0.01-0.02):(0.15-0.25):(0.002-0.003), wherein the using amount of the cement per cubic meter of water-permeable cement concrete is 300 to 400kg. The water-permeable cement concrete has the advantages of high strength, toughness, water permeability and air permeability, small using amount of the cement, and the like, and is easy to construct.

The invention discloses a municipal buried power box, related to the technical field of power equipment. A box is fixedly embedded in the underground; a power box is movably arranged inside the box; ascrew rod is fixedly arranged on the output end of a driving motor; a driving gear is fixedly sleeved on the screw rod at the bottom of a support plate, and a driven gear is fixedly sleeved on the corresponding position of a threaded rod; the top of the power box is fixedly arranged with a water baffle; both the top of the power box and the water baffle are curved; a plurality of threading pipesare fixedly arranged at the bottom of the power box; an exhaust fan is fixedly arranged on a inner bottom plate between a septum plate and the back side wall of the power box; an air duct is fixedly connected to the output end of the exhaust fan, and an exhaust pipe is fixedly connected to the upper end of the air duct; and the left side of the top surface of the power box is vertically fixed withan intake pipe. The invention can help the power equipment of the power box to effectively dissipate heat, prevent electrical components from aging, and at the same time, can reduce the moisture of the power box in the underground, prevent the normal operation of the power equipment from being affected, and prevent the ground area from being watered.

The invention discloses a dry farming direct seeding planting method of rice, which comprises the steps of preparing sprinkling irrigation equipment: the lifting micro-sprinkling irrigation equipment is buried under to-be-planted ground for 30-40cm; processing a field: straws of last stubbles of crops on the to be planted ground are cut into sections, the lengths of the straw sections are 2-20cm, the straw sections are broadcast in soil, a base fertilizer is applied on the soil, and the soil is subjected to ploughing and rotary tillage; preparing rice seeds and seeding: the selected rice seeds are sown on the processed soil uniformly, and then the soil is compacted; and performing sprinkling irrigation: the lifting micro-sprinkling irrigation equipment buried under the ground is used for irrigating the soil sown with the rice seeds, and the water content of the surface of the soil is 40-60%. Therefore, the precision irrigation to the crops is realized; excess water accumulation in the rice field is avoided; and the utilization ratio of water resources is increased. In addition, the straws are turned into organic fertilizers with the passage of time; straw turnover is realized indeed; the method contributes to improving the yield and quality of grains; and environmental pollution due to straw burning is avoided.

The invention provides a water accumulation preventing high-top tent. The water accumulation preventing high-top tent comprises vertical rods, a center rod and supporting top rod groups, wherein a center fixing and connecting seat is installed at the bottom end of the center rod, a connecting pin and a spring is arranged between the center rod and the center fixing and connecting seat, an elongated slot or a pin hole is further formed in the bottom end of the center rod, the center fixing and connecting seat is provided with a blind hole, the blind hole is provided with a pin hole or an elongated slot, the connecting pin penetrates through the elongated slot and the pin hole to connect the center rod with the center fixing and connecting seat, the spring is placed in the blind hole, and one end of the spring presses against the bottom end of the center rod; a water accumulation preventing rod group is additionally connected onto each supporting top rod group. Since the center rod or the side wall of the blind hole is provided with the elongated slot, and the spring is arranged between the center rod and the center fixing and connecting seat, the spring is in a compressed state after the tent is unfolded and an upward force can be applied to the center rod, and thus pits or water accumulation are not easily caused at unsupported positions of tent fabric.

The invention discloses a super high-rise steel pipe column interior concrete pouring construction method. The method mainly comprises the steps of detaching a last section of steel pipe column top sealing hole thin steel plate; hoisting the present section of steel tube column; locating the present section of steel tube column after hoisting a first floor layer steel beam of the present section of steel tube column; arranging a detachable construction steel platform; enabling a sectional connectable serial barrel to extend into the steel pipe column through a locating hole of the construction steel platform; filling same-grade concrete protoplasmic into the steel pipe column; pouring concrete; when the concrete pouring height surpasses the single section serial barrel, detaching one section and continuing concrete pouring construction, and then conducting subsequent pouring; slowing down the speed of concrete discharging and the speed of pouring when a concrete puring face is close to a partition plate in the steel pipe column; pouring the concrete to a certain distance below the top of the steel pipe column and then stopping; adopting a thin steel plate to close the steel pipe column top pouring hole. By the adoption of the construction method, the concrete pouring construction is made to be more convenient, potential safety hazards are eliminated, the construction period is shortened, and manpower and turnover material consumption are reduced.

The invention provides a leakage-proof construction process method of a toilet and a kitchen. The quality problem that the weak positions such as floor drains, wall footings, pipe roots and wall surface holes leak water is solved, the waterproof property of the toilet and the kitchen is improved, peeling and cement blooming of wall surface emulsion paint and wallpaper are avoided, and the servicelife of decorative materials and decoration projects is prolonged; through slope finding and floor drain reforming, the problem that water is accumulated on ground mortar layers of the toilet and thekitchen is effectively avoided, and thus the foreign flavor is avoided; and a construction method is simple, the construction cost is low, and the healthy and sanitary living environment is created for people.

The invention discloses an upstream-blocking and downstream-seepage method for extracting gas in a mining area. The upstream-blocking and downstream-seepage method comprises the following steps of respectively drilling to a position which is 20-30m downward away from a fourth system interface, a position which is 5-6m upward away from a top plate of a seventh coal bed, a position which is 7-8m upward away from a top plate of a tenth coal bed and a position which is 3-5m downward away from a base plate of the tenth coal bed by using drill bits with different sizes and drilling to form a first drilling hole (1), a second drilling hole (5), a third drilling hole (7) and a fourth drilling hole (10); respectively driving a first casing pipe (2), a second casing pipe (6), a third casing pipe (8) and a cork (11); forming through holes (9) in the lower part of the third casing pipe (8), mounting expanding rubber between the second casing pipe and the third casing pipe and closing, then cleaning a well and extracting the gas. According to the upstream-blocking and downstream-seepage method disclosed by the invention, the problem that gas extraction is influenced due to the fact that a mining well seeps water can be effectively solved, the gas in the coal beds is released to the maximum extent and the extracting rate of the gas is increased; meanwhile, predominant threat of the seventh coal bed, the eighth coal bed and the ninth coal bed can be eliminated, the gas emission quantity of a mining face is reduced and the safety of mine production is ensured.

The invention relates to a municipal road drainage structure, which belongs to the technical field of municipal road drainage. The municipal road drainage structure comprises a road main body and an embankment. A drainage well is formed in the road main body close to the embankment; a cover plate is arranged at a wellhead of the drainage well, a filter hole is formed in the cover plate, a mountingframe is arranged in the drainage well in a sliding mode in the vertical direction, a cleaning rod used for being inserted into the filter hole is vertically and fixedly arranged on the mounting frame, and a driving assembly used for driving the mounting frame to ascend and descend is arranged in the drainage well. During rainfall, rainwater on the road main body penetrates through the cover plate to be gathered into the drainage well, the driving assembly drives the cleaning rod to move up and down, and when the cleaning rod moves upwards, garbage blocked in the filter hole is removed, so that the filter hole is effectively prevented from being blocked, the drainage performance is improved, and road surface water accumulation is effectively prevented.

A seat cushion having a seat pad with a channel therein, the channel having a web with apertures for drainage of water away from the seat pad. The web provides a channel area on top of the web and a channel area below the web for egress of water. In one embodiment, the seat cushion is secured to a tree stand frame by straps and has a dual-section back portion that secures to a tree via a fastener at the top thereof. The dual-section back portion folds together to form a single planar construct and also folds to the seat pad portion, again to form a single planar package of collapsed ‘Z’ shape for transport or storage. In an alternate embodiment, the seat cushion, optionally with or without a back portion, is secured to a boat seat.

The current invention discloses a flood barrier having a first compartment and a second compartment, both compartments being preferably in an elongated shape from a side sectional view and being parallel in position. The flood barrier also includes a blocking membrane disposed in the second compartment, wherein a bottom end of the blocking membrane is attached to the bottom of the second compartment and a top end of the blocking membrane is attached to a floating member. The flood barrier may be positioned in the ground in front of a building, wherein when flood water approaches, the floating member may be kept afloat and pull the blocking membrane upward to block the invasion of flood water.

The invention provides a bus duct, comprising a bus, mounting heads, a cover plate and side plates, wherein the cover plate comprises a bottom surface plate and side face plates, two sides of the bottom surface plate are respectively connected with the side face plates, grooves are formed in joints between the bottom surface plate and the side face plates, the top of the bottom surface plate is provided with a plurality of water grooves and water outlets for water drainage, the water grooves are communicated with the water outlets, the bottom of the bottom surface plate is provided with a raised rib for separating a phase line with a ground wire, the bottom surface plate is provided with strip-shaped holes for the mounting heads connected with the bus to pass through, each side plate is shaped like a Chinese character ao, and the bottom of the inner side of each side plate is provided with a plurality of heat radiation grooves. The bus duct is reasonable in structure design, good heat radiation of the bus duct can be ensured, inner cavity water accumulation is avoided, inserting connection is convenient, and the use is more facilitated.

The invention provides a construction method of pervious cement concrete. The pervious cement concrete comprises the following materials: cement, gravel, sand, water, a water reducing agent, stone powder or ballast and polypropylene (PP) fiber. The construction method of the pervious cement concrete comprises the following steps: stirring the materials to form a mixture with appropriate dryness-wetness degree; paving the pervious cement concrete by utilizing an asphalt concrete paver for construction and molding; and finally curing the paved and molded pervious cement concrete. The obtained pervious cement concrete is prepared from pervious concrete with sand and takes the PP fiber as a reinforcing agent, thus having the characteristics of high strength, good toughness, good water permeability and good air permeability. In the construction method of the pervious cement concrete, the asphalt concrete paver is adopted for construction without rolling compaction, thus obviously lowering the cost and saving labor hours; and the construction method has the advantages of simple process, high construction planeness, good water permeability, good air permeability and the like.

The invention discloses an electric air compressor control strategy and fault diagnosis method. The method comprises following specific steps: firstly, effectiveness of input signals is subject to judgment and treatment; secondly, an electric air compressor is operated and controlled; thirdly, according to signals in the control flow in the second step, the electric air compressor is subject to fault diagnosis; according to the method, the control strategy of the electric air compressor is provided, the specific method for the fault diagnosis in the control strategy is provided, under the condition that the input signals are normal, frequent starting and stopping of the air compressor can be effectively avoided, the service life of the air compressor is prolonged, it is ensured that water in an air storage barrel can be drained in time, and water accumulating is avoided; meanwhile, under the condition that the input signals are abnormal, the whole vehicle pressure value can be maintained to be above the brake safety pressure value all the time, brake safety is ensured, the fault can be effectively judged in time, the fault rate of a vehicle is reduced, and the vehicle operation efficiency is improved.

The invention belongs to power transmission equipment, and relates to a shell structure of an intensive bus groove, in particular to a clasp type intensive bus groove shell. The clasp type intensive bus groove shell comprises an upper cover plate, a lower cover plate and a fixed lateral plate which is connected between the two cover plates and deviates to one side, the two cover plates and the fixed lateral plate are made of aluminum alloy profile with an integral structure, the position deviating to the other side between the two cover plates is provided with a movable lateral plate with C-shaped section, and hems of the upper end and the lower end of the movable lateral plate are connected and fixed with the cover plates through bolts or rivets; and the two hem edges of the movable lateral plate are folded outwards to form two sealed grooves positioned at the outside, the bottoms of the sealed grooves are provided with gland strips, the edges of the upper cover plate and the lower cover plate are inserted into the sealed grooves and pressed on the gland strips, and the edges of the upper cover plate and the lower cover plate and the side walls of the sealed grooves are provided with clasps which are mutually matched. The clasp type intensive bus groove shell has the advantages of simple structure, convenience for mounting and good waterproof effect.

The invention discloses a fin of a heat exchanger, which is arranged between neighboring flat pipes on a bent part of the heat exchanger. The fin can be bent on the bent part with the heat exchanger and is provided with a notch. The fin contributes to the reduction of the bending difficulty of the heat exchanger along a flow collecting pipe direction and can reduce the influence of a bending procedure on the heat exchanging performance of the heat exchanger to a minimum degree at the same time so as to still keep a relatively high exchanging performance after the fin is bent. The invention also discloses the heat exchanger with the fin.

The invention discloses a sidewalk pavement structure for water permeation, water storage and water discharging. The sidewalk pavement structure comprises a sidewalk, a roadway and a rainwater port communicated with a municipal water discharging system and further comprises a transverse water permeation pipe, the sidewalk comprises a water-permeable surface layer, a water-permeable leveling layer, a water-permeable base layer and an inverse filtering cushion which are arranged sequentially from top to bottom, a groove paved with a filling material is formed in the bottom of the inner side of the inverse filtering cushion, and waterproof geotechnical cloth is arranged at the bottom of the inverse filtering cushion, on the left and right sides of the groove and at the bottom of the groove; first kerbs are arranged on two sides of the sidewalk, and the transverse water permeation pipe communicates the groove with the rainwater port. The sidewalk pavement structure has good water permeating, storing and discharging functions, can effectively prevent water accumulation on the surface of the sidewalk and can relieve pressure of the municipal water discharging system under extreme raining conditions to certain extent; rainwater is avoided permeating into roadbeds, so that long-time stability of the roadbeds is guaranteed; water permeability and air permeability of the sidewalk pavement structure can be improved, and urban 'heat island effect' is relieved to certain content.