340results about How to "Reduce Waterlogging Problems" patented technology

The invention discloses an intelligent dust concentration limit setting spray dust settling device. The device comprises a control unit, a dust concentration sensor, an electromagnetic valve and a sprinkler head, wherein the signal output end of the dust concentration sensor is connected with a signal input end of the control unit; a control signal output end of the control unit is connected with a control signal input end of the electromagnetic valve; and the control unit realizes spray control over the sprinkler head through the switching of the electromagnetic valve. In the device of the invention, the dust concentration limit is manually set; the spraying starts when the dust concentration limit exceeds an upper limit value and stops when the dust concentration limit is less than a lower limit value; and thus the meaningless waste of water resource is prevented, the water logging in roadways is reduced, the working conditions are improved and the health and the safety of mine workers are ensured. In addition, the invention also discloses an intelligent dust concentration limit setting spray dust settling system, so the remote on-line monitoring of the dust concentration can be realized; meanwhile, the invention also discloses an intelligent dust concentration limit setting spray dust settling method.

The present invention is directed to therapeutic compositions targeting the NCCa-ATP channel of an astrocyte, neuron or capillary endothelial cell and methods of using same. More specifically, antagonists of the NCCa-ATP channel are contemplated. The compositions are used to prevent cell death and to treat secondary damage associated with spinal cord injury.

The invention relates to technical field of agroforestry planting, in particular to a passion fruit planting method. The method is characterized in that passion fruit seeds are soaked; the soaked seeds are sterilized with a sterilizing agent; germination of the soaked seeds is accelerated in order that buds are taken as scions; seedlings are grafted and cultured as rootstocks, so that the planting and seedling culturing processes of the passion fruit become an artificial control environment condition; in a continuous culturing process, the passion fruit adapts to the environment; the passion fruit seedlings obtained by grafting and seedling culturing are planted; in a planting process, a base is treated in order that the ponding amount is small, and moisture supply is appropriate. Therefore, the survival rate of the passion fruit is increased, the yield of the passion fruit is increased, the planting cost of the passion fruit is lowered, and the influence of introduction temperature difference on the quality and yield of passion fruit is avoided.

The invention relates to a drainage gas recovery device and method. The method comprises the following steps of laying a pressure gauge down to the bottom of a well through a first oil pipe to measure the static pressure and the liquid level at the bottom of the well, selecting a matched well shutting device according to the pressure and setting the pressure value of a plug and a gas lift valve; dismantling an original well head, perfecting the drainage gas recovery device on the basis of existence of the original well mouth device; pressurizing a second oil pipe with nitrogen and opening the plug when the pressure of the second oil pipe reaches an opening pressure of the plug; and continuing pressurizing the second oil pipe with nitrogen and opening the gas lift valve step by step when the pressure of the second oil pipe reaches an opening pressure of the gas lift valve to drain out liquid inside the shaft and at the bottom of the well until the flowing production of natural gas is achieved. The drainage gas recovery device and method has the advantage of being capable of draining out the fluid inside the oil pipes by opening the gas lift valve through multiple flowing inducing of nitrogen lift to reduce slippage loss greatly and water accumulation, thereby prolonging the production cycle of the gas well. Besides, the drainage gas recovery device and method is easy to operate, low in cost and safe and reliable in sealing.

The invention aims at providing a concrete high strength and permeability and a preparation method thereof. The invention adopts the following technical scheme: cement with high strength, a special building material additive and special forming method are used; Aeolian sands in desert or fly ashes produced during the power generation of power plants are used as raw materials to prepare the concrete with high permeability. The used raw materials of the invention respectively are: 40-50 grade of ordinary porland cement; gravels, Aeolian sands in desert and fly ashes with respective particle diameter of 10.0-13.0mm, 5.0-10.0mm and 2.5-5.0mm, the adding ratio of which is selected freely; NNO type water reducing agent and JM-SCA type strengthening agent. The concrete made through the method is provided with good permeability, and the compressive strength can reach to 35MPa above. Passage tiles made through the method can be used to pave roads to greatly reduce hydrops on the surface of the roads. In local areas, sewer pipes even can be reduced or do not have to be paved. For even a heavy rainstorm encountered in 100 years happens, rains can rapidly permeate in soils through the tiles successfully in five minutes, which can be changed into renewable underground water.

The invention relates to a preparation method of a cast aluminum alloy film coat, which is characterized by cleaning a cast aluminum alloy component firstly, performing chromate oxidation treatment secondly, and then preparing a film sealing coat of fluorine containing acrylicester on a chromate oxide film. Construction methods such as brushing or spraying is used for the invention, the methods are flexible and simple and has high maneuverability; the invention can be applied in the protective treatment for cast aluminum alloy of ZL102, ZL104, ZL107, ZL112, ZL114 and the like, and is particularly suitable for treatment of the cast aluminum alloy component used in the ocean environment; and the invention is also suitable for the protective treatment of other aluminum alloy materials or components, such as treatment of duralumin, super duralumin, wrought aluminum and rust-proof aluminum alloy.

The invention belongs to the construction method of a deep foundation pit of industrial construction, particularly relates to a reverse operating construction method of a round deep foundation pit concrete piling support and a main structure and solves the problem that the existing construction method of the deep foundation pit is not suitable for complex geological condition and the construction cost is too high. The construction method comprises the following steps: the center of the foundation pit is adopted as the center and the outer sides of the position of the main structure are respectively distributed with pilings; the top parts of the pilings are poured with crown bore beams which connects the top parts of the pilings into one body; the first section of the foundation pit is excavated, reverse operation is carried out to the outer layer of the first section of the main structure; the outer layer of the first section of the main structure and the pilings are integrated by the crown bore beams so as to form a primary support of the foundation pit; the foundation pit is excavated by sections, reverse operating construction of the outer layer of the main structure is carried out by sections, which form a foundation pit support together; and normal operating construction is carried out to the inner layer of the main structure. The invention is applicable to poor geological condition and is particularly applicable to structural diversity of the soil layer in the depth range of excavation of earthwork, thus ensuring the stability of the soil body of the main structure in the construction period, greatly reducing the cost of construction measures and improving the construction speed.

A water recovering system for the rain is built up through drilling the vertical overflow channels with a certain depth passing through the water impervious stratum, filling the broken stone, sandy earth and water permoable substance in them, preburying the water collecting tanks communicated with said overflow channels, arranging the water-pumping pipe between ground surface and water collecting tank, and laying a water permeable layer on the broken stone layer. It can collect the rain to supplement underground water and supply the collected rain for other purposes.

The invention discloses a drag suction type road surface cleaning device for a sanitation truck. The drag suction type road surface cleaning device comprises a road surface drag-cleaning device, a sundry separation device and a drag roller flushing device, wherein the road surface drag-cleaning device is connected with the sundry separation device and the drag roller flushing device. The drag suction type road surface cleaning device uses drag rollers to replace sweeping rollers so as to realize sorting treatment of dust and sundries, uses a conveyable barrel to replace a fixed box so as to effectively simplify and shrink the structure of a cleaning system, and uses wet method operation to replace dry method operation so as to avoid secondary blowing dust and flexibly deal with all kinds of road conditions.

The invention discloses an environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system, and specifically relates to the environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system which is suitable for an arid area and a semi-arid area. The environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system is characterized by comprising a rain water collecting pool, a flow distributing well, a flow releasing pool, a constructed wetland, a rain water storing pool, a sand filtering pool and a clean water pool, wherein the upper-layer rain water collecting pool, the flow distributing well, the constructed wetland and the sand filtering pool are connected in sequence, the lower-layer flow releasing pool, the rain water storing pool and the clean water pool are connected in sequence, the flow releasing pool is located under the rain water collecting pool, the rain water storing pool is located under the flow distributing well and the constructed wetland, and the clean water pool is located under the sand filtering pool. According to the environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system disclosed by the invention, the occupied area is small, the energy consumption is low, the operating cost is low, and the maintenance is simple; the functions of beautifying a courtyard and purifying air are obtained as green ecological plants are planted on the constructed wetland; the courtyard waterlogging can be reduced, environmental pollution caused by initial rain water can be reduced, the living standard of a farmer can be increased, and meanwhile, the rural ecological environment can also be effectively improved.

The invention relates to the field of draining of municipal administration roads and particularly relates to a novel rainwater flow guiding device for municipal administration roads. The novel rainwater flow guiding device comprises a foundation pit formed in a draining region, wherein impounding reservoirs are arranged on two sides of the foundation pit, and a planting layer and a macadam layer are arranged between the impounding reservoirs on two sides; water inlets are formed in the top ends of the impounding reservoirs, and draining pipelines are connected to the side walls of the middle sections of the impounding reservoirs; and a water storage tank is arranged in the macadam layer and is communicated with the impounding reservoirs on two sides through water through pipelines, and a plurality of water absorbing cotton strips which penetrate through a tank body and extend into the planting layer are arranged in the water storage tank. The water storage tank is separated from the impounding reservoirs, the planting layer is separated from the macadam layer, and the water absorbing cotton strips are used for conveying moisture, so that the waterlogging death of the plants causedby serious impoundment is prevented; and during the inundation of rainwater, water can be drained by virtue of the drainage pipeline, so that the water levels in the impounding reservoirs and the water storage tank are controlled.

The invention discloses no-fines recycled-aggregate pervious concrete for district roads and a preparation method and belongs to the field of pervious concrete. The no-fines recycled-aggregate pervious concrete is prepared from the components as follows: 1450-1600 kg / m<3> of recycled building concrete aggregate, 300-450 kg / m<3> of cement, 78-117 kg / m<3> of composite mineral admixture, 3.8-5.6 kg / m<3> of an additive and 105-145 kg / m<3> of water. The water permeability of the prepared pervious concrete is not less than 5 mm / s, the continuous porosity is not less than 10 percent, the compressive strength is not less than 20 MPa, the rupture strength is not less than 2.5 MPa, and the mass loss rate after 25 times of freezing and thawing cycles is at most 5 percent. The recycled aggregate with the concrete structure is utilized, the pervious concrete can improve environment, and the both are combined so as to change waste into wealth, conserve energy, reduce emission, reduce impounded surface water in a rainy day, supplement ground water, and reduce the urban heat island effect. The preparation method is simple, efficient, green and environment-friendly and suitable for reconstructing and constructing of roads in urban residential districts.

A fuel cell system that employs one or more PTC ceramic heaters that do not need to be self-regulated, and thus will not require various control components, such as temperature sensors. The PTC ceramic heaters include a ceramic material that is designed for a particular temperature depending on the particular application. An electrical current is applied to the ceramic heater that generates heat as long as the temperature of the ceramic heater is below the designed temperature. If the ceramic heater reaches the designed temperature, then the resistance of the ceramic material goes up, and the current through the ceramic material goes down, so that the heater does not provide significant heating. Therefore, it does not need to be regulated.

The present invention discloses a boat type furrow opener. The upper portion of furrow opener body is closed, front breast form of furrow opener body along furrow-opening direction is front portion of said boat body, left and right two sides are symmetrically crossed in the intermediate blade edge, said blade edge is inclined backward from top to bottom, the upper portion of the furrow opener body is equipped with a spacing plate. Besides, said furrow opener also is equipped with soil-covering plate, fertilizer and fertilizer-discharging tube, etc. Said boat-type furrow opener mainly is used for deep fertilizer application in paddy field.

The invention mainly discloses an overpass rainwater recovery system and its installation method. Its technical proposal includes a bridge deck and a bridge pier. There is a first drainage pipe connected to the filter, the filter is connected to the underground water tank through the clean water pipe, the top of the pier is provided with a first collection bucket, and the bottom of the pier is provided with a second collection bucket connected with the first collection bucket, The second collecting bucket is connected with the filter through the downpipe. The invention has simple structure and convenient installation, can quickly collect and store rainwater generated during rainfall or road sprinkling, improve drainage efficiency, filter and purify rainwater before storage, improve water resource utilization efficiency, and solve water pollution problems. The collecting bucket and the second collecting bucket prevent rainwater from entering the inside of the bridge pier, effectively preventing rainwater from corroding the bridge pier or affecting the appearance, and are easy to apply and promote.

The invention discloses a simple sliding grid anti-blocking gully, which mainly comprises a gully body and a gully cover. An upper guide rail is arranged on the upper part of the gully cover, and a lower guide rail is arranged on the lower part of the gully cover; a plurality of sliding grids are arranged between the upper guide rail and the lower guide rail in a sliding mode; and each sliding grid comprises a center rod, wherein a steel ball is arranged at each of two ends of the center rod, and a rolling sleeve is sleeved on the center rod. The sliding grids are arranged on the gully cover, and the sliding grids can rotate under common working conditions, so the gully is difficultly blocked by garbage. When the gully is blocked or rainstorm is predicted, the sliding grids can be moved away through the upper guide rail and the lower guide rail, and the opening on the gully cover is opened, so that the garbage is flushed to a pollutant intercepting hanging basket together with rainwater, the water inlet capability of the gully is recovered, and the technical aims of quickly transferring rainwater on roads and reducing accumulated water on the ground during the rainstorm are fulfilled; and the gully has the advantages of simple structure, convenience in implementation and the like.

The invention relates to a light-emitting diode (LED) tunnel lamp, which comprises LED lamp caps, a front cover, a radiator and a tail cover. The LED lamp caps respectively consist of a substrate, a plurality of single chip LEDs, a lamp cap seat and a lens. The radiator consists of two eudipleural lambdoidal hollow cylindrical objects and fins respectively arranged on convex surfaces of the hollow cylindrical objects; the LED lamp caps are respectively arranged on lambdoidal angular surfaces of nearly symmetric axis on concave surfaces of the hollow cylindrical objects of the radiator; and the front cover and the tail cover are fixedly arranged on the radiator through screws. The LED tunnel lamp has the following advantages: 1, under the action of an open illumination chamber, light distribution of the LED lamp caps is even, and the light intensity is enhanced; 2, natural ventilation channels are additionally arranged on the radiator, and therefore, power consumption-free heat dissipation is realized, the junction temperature of the LED tunnel lamp is reduced, and the light decay speed of the LED tunnel lamp is reduced; and 3, a shell-type structure of the front cover and a shell-type structure of the tail cover are communicated with the outside through an upper space and a lower space, and therefore, the LED tunnel lamp is ventilated without accumulated water, the working environment of the LED tunnel lamp is improved, and the service life of the LED tunnel lamp is greatly prolonged.

The invention discloses a road rainwater collecting system for preventing surface gathered water. The road rainwater collecting system comprises a sidewalk surface (1) made of a seepy material, water drainage road side stones (3) arranged between the sidewalk surface (1) and a motor vehicle surface (2), and water storage tanks (4) arranged on the lower sides of the sidewalk surface (1) and the water drainage road side stones (3), wherein the sidewalk surface (1) is lower than a motor vehicle surface (2) or parallel to the motor vehicle surface (2). By utilizing the rainwater collecting system, the technical problem that water can be accumulated on the conventional road surface, particularly a motor vehicle surface, can be solved.

The invention discloses a steam control method of a food processor and the food processor, the food processor comprises a boiler, a steam outlet channel with a steam outlet, a cavity, a heating pipe and a fan, steam generated by the boiler flows to the cavity through the steam outlet channel, and the method comprises the following steps: detecting the processing mode of the food processor; and when the processing mode is the belt steaming function mode, stopping steam output in the final steam exhaust stage of the belt steaming function mode, and starting the fan to exhaust steam so as to reduce the amount of steam in the cavity. By means of the steam control method of the food processor and the food processor, water in the cavity can be reduced, and the situation that condensate water drips on food and influences experience is reduced.

The invention relates to the technical field of sponge cities, in particular to a sponge city seepage and drainage structure and a sponge city water circulation system. A rainwater well, a diversion well, a filtering device and a water storage pool are included, the rainwater well comprises an outer well and an inner well arranged in the outer well, the top end of the outer well is provided with arainwater grate flush with the ground, a filtering hanging basket with an upward opening is arranged in the inner well, the bottom of the inner well is connected with a water storage pipeline communicated with a grass planting ditch, and a plurality of overflow holes communicated with the cavity are formed in the inner well in a penetrating mode; and a filter screen is arranged between the outerwell and the diversion well. By adopting a grading drainage mode, the purpose of rapidly reducing accumulated water on the road surface can be achieved, rainwater deposition is not easily caused, andtherefore the drainage capacity of an urban drainage system can be effectively improved. Meanwhile, the urban water storage capacity is increased, and urban water resources are saved. Through the arrangement of the rainwater grate, the filtering hanging basket and the filtering net, the filtering effect on rainwater can be achieved, and impurities contained in the rainwater can be effectively removed.

The invention relates to a defrosting pan for a fan coil of a ship. The defrosting pan comprises a defrosting pan body, wherein the two ends of the defrosting pan body are provided with condensation drainage joints; a water eliminator is covered above the defrosting pan body; the shape of the water eliminator is matched with the defrosting pan body; and the water eliminator is provided with a plurality of water inlet holes which are communicated with a cavity in the defrosting pan body. Under the condition that the fan coil cannot be kept in the horizontal state, condensed water can be drained from one of the condensation drainage joints at the two ends of the defrosting pan body, so that water accumulated inside the cavity of the defrosting pan is reduced effectively; under the condition that the fan coil swings and condensed water in the cavity of the defrosting pan cannot be drained smoothly, swinging condensed water is blocked by the water eliminator at the upper end of the defrosting pan body and is kept in the defrosting pan body, so that leakage is prevented; the defrosting pan has a simple and compact structure; and condensed water in a fan coil unit can be drained smoothly in the running and parking processes of the ship, and leakage of the condensed water can be prevented effectively when the ship swings.

The invention discloses a Chinese medicinal composition for treating hydrocephalus and relates to the technical field of Chinese medicines. The Chinese medicinal composition is prepared from 12 pure natural Chinese herbal medicines, namely rhizoma alismatis, ephedra, motherwort herb, leech, sliced deerhorn, plantain seed, agaric, astragalus, red paeony root, the root of bidentate achyranthes, liquoric root and calculus bovis artifactus in a specified ratio. The Chinese medicinal composition for treating hydrocephalus has an obvious curative effect, and is quick in response, and the course of treatment is short. The invention also provides a preparation method for the Chinese medicinal composition for treating hydrocephalus; and the preparation method is simple, so the Chinese medicinal composition is suitable for industrial production.

The invention provides a fin which comprises a plurality of straight line segments and a plurality of circular arc segments. The straight line segments approximately present the shapes of straight lines, and the circular arc segments connected with the straight line segments approximately present the shapes of circular arcs. A central angle c of each circular arc segment is smaller than or equal to zero DEG and is equal to or larger than 150 DEG, and the semi-diameter R of each circular arc segment is smaller than or equal to 0.35mm and is equal to or larger than 1mm. By adopting the above structure, the fin effectively reduces accumulated water, thereby improving the heat exchanging performance.

The invention discloses a sponge urban speed bump which comprises a water storage tank and a speed bump body, wherein the water storage tank is buried in a soil layer, the upper end of the soil layeris provided with a contraction groove, a plurality of water seepage pipes communicating with the inside of the water storage tank are inserted in the bottom of the contraction groove, the bottom of the contraction groove is provided with a supporting mechanism used for supporting the speed bump body, the upper end of the speed bump body is provided with a movable groove, a pressing plate is connected with the inner wall of the movable groove in a sliding mode, and a water spraying cavity is formed in the speed bump body. The sponge urban speed bump has the advantages that when a vehicle passesthrough the speed bump body, the pressing plate is pressed to move downwards, hydraulic oil in an extrusion box is pressed to push a pushing plate to move, the pushing plate presses rainwater in a pushing box into a water spraying pipe, finally the rainwater in the water spraying cavity is pressed by the rainwater in the water spraying pipe to be sprayed out of water spraying holes, the rainwateris used, the ground temperature can be reduced when the weather is hot, and the environment of a park is improved.

An over-temperature steam detection control method of a steam box is characterized by comprising the following steps: 1, feeding water; 2, judging whether the water level is reached; 3, judging whether the temperature is lower than T1 or not; 4, allowing a top heating film, a bottom heating disc and a steam generator to work in a full-power mode; 5, judging whether the temperature is lower than T2or not; 6, allowing the top heating film, the bottom heating disc and the steam generator to work in a full-power mode; 7, allowing the top heating film, a back heating pipe and the bottom heating disc to work at full power, and allowing the steam generator to work at specific power; 8, judging whether the temperature reaches T or not; 9, stopping the steam generator, and detecting the bottom temperature; 10, judging whether water is accumulated or not; 11, allowing the bottom heating disc to work at a specific power; 12, judging whether the temperature is less than or equal to T3; and 13, allowing the top heating film to work at full power, and the back heating pipe and the bottom heating disc to work at a specific power. The over-temperature steam detection control method has the advantages that heating elements are additionally arranged to conduct secondary heating on steam, different temperature intervals are set to control different heating devices respectively, the heat efficiency is higher, and accumulated water in a cavity is effectively reduced.

The invention relates to a method and system for detecting the drainage state of a drain pipe. The method for detecting the drainage state of the drain pipe comprises the following steps: acquiring the amount of precipitation of a drain pipe position at a predicted time point, and calculating the water velocity of the drain pipe position according to the amount of precipitation; inputting the water velocity into a preset drainage information prediction model, and reading a predicted water depth and a predicted cross-sectional area which are output by the drainage information prediction model; detecting whether the water discharge corresponding to the predicted time point exceeds the drainability of the drain pipe according to the predicted water depth and the predicted cross-sectional area; if so, judging the drain pipe to be in an overload drainage state at the predicted time point; the method can accurately detect the drainage state of the drain pipe at the predicted time point; the valves of a drain pipe network can be opened by relevant working staff in advance, or pump station equipment is additionally arranged at the drain pipe position to control the drainage of a water flow at the crest value and reduce the probability of occurrence of water accumulation.

Disclosed is a double track heavy hanging folding door which comprises a door body and a combined fixed frame located on the periphery of the door body and used for mounting the door body. The door body comprises a first folding door body and a second folding door body which oppositely join together and have the same structure, wherein the first folding door body comprises a plurality of folding door leaf units rotatably connected together. The combined fixed frame comprises an upper combined sliding way and a lower combined sliding way which are located on the upper portions and the lower portions of the folding door leaf units correspondingly and slidably matched with the folding door leaf units. Vertical edge frames rotatably connected with the folding door leaf unit on the outmost side are fixed to the two corresponding ends of the upper combined sliding way and the lower combined sliding way. According to the double track heavy hanging folding door, the larger span and opening space are achieved, bearing capacity is higher, pushing and pulling are quite flexible and easy, using is convenient, sealing performance is good, waterproof performance is high, wind pressure resistant performance is high, and the appearance is concise and harmonious.

A unitary valve block assembly is interposed between a hot and cold water outlet and a faucet assembly including a hot and cold valve to convey the initially cold portion from the hot water outlet into an accumulator during all the times when the accumulator is substantially unfilled. This accumulated water is then emitted through the cold water valve each time cold water is demanded. When the pressure ratio between the accumulator and the water source indicates that it contains substantial quantities of un-evacuated stored water the subsequent demands of hot water are conveyed directly to the hot water valve regardless of the temperature thereof.

The invention belongs to transmission facility, which relates to a compact bus duct housing, which comprises an upper cover plate, a lower cover plate and a fixed side plate connected between the two cover plates and biased towards one side. The two cover plates and the fixed side plate are made of aluminum alloy sectional bars in monolithic construction. A flexible side plate with C-shaped cross section is arranged between the two cover plates, and is biased towards the other side. The folded edges at the upper end and the lower end of the flexible side plate are fixedly connected with the cover plates through bolts or rivets. The compact bus duct housing has the advantages of simple structure, convenient installation and effective watertightness.