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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.