284results about How to "No stagnant water" patented technology

The invention discloses a processing device and method for removing fine particulate matter in automobile tail gas by electrostatic spraying. In the device, an annular induction charged electrode is tightly sleeved on the inner wall of the front section of a tail gas connecting pipe, and the inner wall of the back section of the exhaust connecting pipe is fixedly connected with an electrostatic spraying device; the front of a grounding electrode is located at the central axis of the induction charged electrode, and the back of the grounding electrode extends to the central position of the spraying region of the electrostatic spraying device; and a first electrostatic high pressure generator is connected with the induction charged electrode, a second electrostatic high pressure generator is connected with the electrostatic spraying device, an induction high pressure charging electric field is formed between the induction charged electrode and the grounding electrode, and an electrostatic field is formed in the spraying region between the electrostatic spraying device and the grounding electrode. In the method, the tail gas firstly passes through the induction high pressure charging electric field and is charged with static electricity, and then is subjected to the opposite electric charge in the spraying region, and then fog drips adsorb fine particulate matters and are exhausted by evaporation and settlement. According to the invention, the water consumption is less and a great amount of accumulated water and sewage cannot be generated, so that the fine particulate matters, especially the fine particulate matters with the particle size below 2.5 mu m, in the automobile tail gas, can be effectively removed.

A modular PE pipe water activity platform comprises a PE pipe floating body, single-section floating raft platforms and a floating raft guardrail, wherein the PE pipe floating body is formed by connecting a plurality of hollow PE pipes of which both ends are sealed; each single-section floating raft platform is of a reinforced concrete structure; the single-section floating raft platforms and the PE pipe floating body are connected into a whole by a fixing frame; plurality of the single-section floating raft platforms are fixedly connected into a floating raft platform assembly; and the floating raft guardrail is fixedly installed on the floating raft platform assembly. According to the invention, the characteristics of light weight, corrosion resistance, long service life, capability of being recycled and high strength of reinforced concrete of the PE pipe are fully combined, manufacturing and construction are simple, safety and reliability are realized, and maintenance is simple. Due to the adoption of modular production and flexible assembly, the water-surface construction operation difficulty of a large platform is greatly reduced, the construction cycle is shortened, and economic benefits and environmental benefits are greatly enhanced.

The invention relates to a large storage amount water storing and draining plate suitable for roof greening. The large storage amount water storing and draining plate comprises a plastic plate face, honeycomb water storing bottles, communicating grooves, draining holes, supporting columns, non-woven geotextiles and water absorbing belts. The plate face, the water storing bottles, the communicating grooves and the supporting columns are all made of high density polyethylene (HDPE) plastic base plates after stamping. The water storing bottles are arranged on the plate face in a honeycomb mode and connected through the communicating grooves. The water storing space is large, and meanwhile uniform water distributing is achieved. The draining holes are formed in the plate face. The supporting columns are arranged below the plate face. One layer of the non-woven geotextiles is adhered on the plate face and the bottom of the each bottle correspondingly. The water absorbing belts are arranged in the position, of the communicating grooves, of the geotextiles of the plate face and stretch in the bottoms of the bottles in the position of the water storing bottles. The structure is reasonable, forming is convenient, construction is convenient, maintenance is simple, the mechanical property is good, universality is high, system adaptability is strong, and meanwhile the multiple functions of water storing, water draining, filtering, ventilating, heat insulation, noise reduction, root thorns resisting and the like are achieved; and stored rainwater can be utilized to replenish water for a matrix.

The invention provides a cabin storage type border stone, and belongs to the technical field of municipal drainage. The cabin storage type border stone comprises a basal structural member and a drainage structural member, wherein the drainage structural member adopts a hollow structure, a drainage passage in the direction of a road is formed, and rainwater collecting holes are formed in one side, near a motor way, of the drainage structural member; the basal structural member adopts an inner hollow structure, a detention storage cabin is formed, and permeation tube interfaces are also formed in the side wall of one side, near a pavement, of the basal structural member; the bottom of the drainage structural member and the top of the basal structural member both adopt an opening structure, and are mutually butted and clamped; a closing plate made from permeable materials is also mounted at the combination position of the drainage structural member and the basal structural member. The cabin storage type border stone disclosed by the invention is powerful in water collecting capacity, can effectively retard and store rainwater, is convenient to make, transport and construct, and can be quickly and locally repaired, maintained and changed.

The invention discloses a flexible ecological slope protection building block, which comprises a platform body. An upper opening cavity is arranged on the platform body in the longitudinal direction, and water discharging holes are arranged on the bottom wall of the upper opening cavity at one side of the longitudinal central line; groove holes communicated with the upper opening cavity are arranged on the side wall at the other side of the longitudinal central line of the platform body in the longitudinal direction; and through holes are arranged on the side wall of the platform body opposite to the groove holes in the longitudinal direction. According to the invention, the ecological slope protection can be assembled conveniently through the ecological building blocks, and reinforcing steel bars or plastic bars and the like inserting in the through holes on the side wall of the platform body enable the building blocks to be firmly embedded and built with one another, so as to greatly shorten the construction period and reduce the cost. After nutrient medium or green concrete is put in the cavity of the ecological building block and a plant is planted in the cavity of the ecological building block, the cavity is not subjected to ponding, and a root system of the plant can penetrate into soil behind a baffle wall so as to play a role in strengthening the slope protection and facilitating growth of the plants and inhabitation of aquatic life.

The invention discloses an efficient easy-to-clean electrostatic oil fume removing system. The efficient easy-to-clean electrostatic oil fume removing system comprises an air inlet pipeline, an air outlet pipeline and an electrostatic oil fume removing module, wherein the electrostatic oil fume removing module is connected with the air inlet pipeline and the air outlet pipeline respectively; the electrostatic oil fume removing module comprises multiple electrostatic oil fume removing units which are independent of one another, the electrostatic oil fume removing units are vertically arranged, the tops of the electrostatic oil fume removing units are connected with the air outlet pipeline, and the bottoms of the electrostatic oil fume removing units are connected with the air inlet pipeline; the tops or bottoms of the electrostatic oil fume removing units are provided with air regulating valves for controlling air inlet capacity, and the air regulating valves are used for regulating the amount of waste gas entering each electrostatic oil fume removing unit. The electrostatic oil fume removing system provided by the invention has the advantages that the structure is reasonable, the air balancing effect is obvious, an oil fume removing effect is good, the cleaning and maintenance are easy, meanwhile, the disassembly and change are convenient, and the efficient easy-to-clean electrostatic oil fume removing system is very suitable for waste gas treatment of a large factory and is suitable for popularization and application.

The invention provides a dovetail flip bucket and fitting slope aeration method and structure. The problems that water accumulates in an aeration cavity of a small base slope and a low-Fr-value drainage flow channel and the aeration effect is poor are mainly solved. The aeration structure is mainly composed of a dovetail flip bucket, a downstream fitting slope and a connecting segment. The tail end of a conventional two-dimensional continuous linear flip bucket is provided with a V-shaped notch (the notch is shaped like a dovetail, so the V-shaped notch is called as the dovetail flip bucket), and adjustment of the nappe toss angle of the top of the flip bucket and the napple drop point distribution behind the flip bucket is beneficial for jet impact angle unification; the sharp fitting slope is arranged at the nappe drop point position of the small base slope, so that the jet impact angle is within a critical value for generating backflow water, and backflow water accumulation at the nappe drop point position of a base plate is eliminated; and the upstream end of the fitting slope is connected with the upstream flip bucket through the connecting segment, and generally, a flat slope or a right slope is adopted. The dovetail flip bucket, the fitting slope and the connecting segment form a complete system through different connecting manners. The aeration structure is simple, resistant to cavitation and erosion and high in universality, and the aeration cavity is large, stable and free of water accumulation.

The invention discloses a spliced reinforcing water permeable brick with a water storage function and belongs to the technical field of water permeable bricks. The spliced reinforcing water permeablebrick comprises a brick body (5), a water drainage cavity (13) is formed in the brick body (5), a brick cover (2) is arranged above the brick body (5), both the brick body (5) and the brick cover (2)are provided with drain holes, and a water storage device (9) is arranged in the brick body (5). The spliced reinforcing water permeable brick has the good water and air permeability performance, rainwater can quickly seep into the ground, soil water and underground water are supplemented, soil humidity is kept, and the survival condition of urban ground plants and soil microorganisms is improved;and the urban drainage and floor prevention pressure can be relieved, a good effect on pollution prevention of public waters and sewage treatment is achieved, and no water is accumulated on a road.

The invention discloses water-retention water-permeable concrete utilizing construction waste and a preparation method of the water-retention water-permeable concrete. The water-retention water-permeable concrete is prepared from, by weight, 1-30 parts of cement, 1-3 parts of a mineral additive, 50-90 parts of aggregates, 0-3 parts of a coloring agent, 0.1-3 parts of a special additive SZ-BS-02 and 4-9 parts of water, wherein the mineral additive is ultrafine powder which is generated in the construction waste treatment process and has the specific surface area larger than or equal to 550 m<2>/kg, and the aggregates are prepared from, by weight, 25-35 parts of waste concrete particles with the particle size ranging from 2 mm to 30 mm, 45-55 parts of waste clay brick particles with the particle size ranging from 2 mm to 30 mm and 15-25 parts of light ceramisite with the particle size not larger than 15 mm. The water-retention water-permeable concrete prepared through the method has the good water retention, water permeability and gas permeability and is suitable for being used by a sponge city.

The invention discloses an underground garage waterproof and moisture-proof paving structure and a construction process thereof. A plain concrete cushion layer, a flexible waterproof layer, a structural self-waterproof layer, a draining concrete layer, a flexible supporting layer, a crack-proof and moisture-proof layer and a floor surface layer are arranged from bottom to top in sequence. A drainage ditch is arranged in the structural layers from above the structural self-waterproof layer; the waterproof and moisture-proof paving structure laid by the process enables an underground garage to be waterproof and moisture-proof, high in anti-pressure ability and good in durability, and when cracks occur due to force majeure, the cracks cannot directly penetrate; and the function adaptability is high, and penetrative water and water vapor can be discharged by the screening concrete layer in time, so that the floor surface layer does not accumulate water and the influence on normal use is avoided.

The invention relates to a structure and a method for constructing sport field turf by using construction waste. The method is a construction method such that a lot of crushed bricks, crushed concrete and crushed tiles with different grain sizes in a drainage layer, a filtering layer and a planting layer of the sport field turf replace natural gravels, and materials in the planting layer are mixed by using a stirrer and materials are leveled layer by layer by using a land leveler. According to the method, not only are a lot of construction waste and urban organic solid waste greatly consumed to realize resource utilization and reduction of the urban solid waste, but also are urban sport green lands increased, the use level of natural gravels reduced and the damage of exploitation of the natural gravels on the ecological environment alleviated. The construction method provided by the invention has the advantages of being high in mechanical degree, high in production efficiency and high in quality of constructed turf.