59results about How to "Reduce sediment content" patented technology

The invention discloses a sand settling and deoiling device, which comprises a separation well, a bottom baffle is arranged inside the separation well, a separation area is above the bottom baffle, and a sand settling area is below the bottom baffle, and the separation area is provided with a separator, drainage Pipe and tangential water inlet pipe, the separator is located in the center of the separation zone, including inner and outer cylinders that are concentric and connected at the top, the bottom of the inner cylinder is connected with an inclined deflector, and the drain pipe communicates with the cavity between the inner cylinder and the outer cylinder And outside the separation well, the tangential water inlet pipe connects the external sewage and the cavity between the outer cylinder and the inner wall of the separation well, and the tangential water inlet pipe is tangent to the outer wall of the outer cylinder; the bottom baffle has the same cross-sectional size as the inner wall of the separation well, and is located in The position directly below the cylinder is provided with a grit chamber, and the grit chamber connects the separation area and the grit chamber. The invention can effectively reduce the silt content and oil concentration in the rainwater, and reduce the non-point source pollution discharged into urban water bodies.

Disclosed is a fully-sealed underground raw water continuous pumping and injecting system. The system comprises a pumping well (1), a reinjection well (2), a deep well submersible pump (3) and an underground water pipeline (4), wherein underground water pumped from the pumping well (1) is reinjected into the reinjection well (2) by the deep well submersible pump through the underground water pipeline (4). The system is characterized in that the underground water of the system is completely isolated from the earth surface, underground raw water can be continuously and efficiently reinjected without water treating equipment like a cyclone desander or a filter, and all the underground raw water can be reinjected.

The invention discloses a water seepage and flood drainage system based on a sponge city. The water seepage and flood drainage system comprises an artificial wetland, wherein the artificial wetland is connected with a buffer tank by virtue of a second water pipe, and the buffer tank is connected with a river by virtue of a first water pipe; the artificial wetland is successively provided with a sterilizing layer, a first isolation layer, a water storage layer and a planting layer from bottom to top; soil is arranged in the planting layer, and emergent aquatic plants are planted on the planting layer; coarse sand is arranged in the water storage layer; a mud separation plate for blocking mud and sand is arranged in the first isolation layer, and the mud separation plate is wrapped with geotechnical cloth; and a plurality of volcanic rocks are arranged in the sterilizing layer. The water seepage and flood drainage system based on the sponge city solves the problem that the rainy and flood water is difficult to seep and accumulate for use; and meanwhile, the system can effectively alleviate the flood leak pressure of a river, can improve the convenience of the municipal water application and can realize a function of seeping, collecting, purifying, storing and utilizing the river water and rainy water.

The invention discloses a method for building and repairing a dam of a flooded paddy field, and relates to the field of agricultural production and water conservancy construction. By using the method, a water storage function of the flooded paddy field is fulfilled, the natural wetland of the Dazhou can be recovered, the water level of the flood peak of a river is reduced, flood damage of the river of the Dazhou is reduced, and functions of flood storage and drought control are fulfilled. The dam of the flooded paddy field consists of Z-shaped plates (1), field dam flood storage plates (2), a planting stepped water gate (3), a flood storage inclined plate trumpet-shaped water gate (4) and connecting plates (5). Before raining, the water gates are opened, and clear water in the flooded paddy field is drained; during raining, the water gates are closed, flood is stored, the water level of the flood peak of the river is reduced, and the quantity of muddy sand in the flood is reduced; and the rainwater can be stored by the flooded paddy field at all seasons, by using the rainwater, planting, cultivation and drought control can be carried out, and functions of the natural wetland of the flooded paddy field of the Dazhou can be recovered.

The invention discloses an oil-gas-water-sand four-phase separator. The separator comprises a tank body, a rotational flow cylinder is connected to the top of the front end of the tank body, a liquidinlet pipe is connected to the rotational flow cylinder, and the lower end of the rotational flow cylinder communicates with the interior of the tank body through a rotational flow lower pipe; the topof the tank body is also connected with a gas phase outlet; a corrugated plate group, an oil weir plate, an oil chamber and a water chamber which are connected to the inner wall of the tank body aresequentially arranged in the tank body from front to back; the lower end of the oil chamber is connected with an oil discharging pipe, the lower end of the water chamber is connected with a water discharging pipe, the front side face of the tank body is connected with a baffling bent plate, the lower end opening of a rotational flow lower pipe faces the baffling bent plate, an inclined down-flow plate is arranged below the baffling bent plate, and the two sides of the down-flow plate are connected to the inner side face of the tank body; a sand storage barrel connected to the bottom of the tank body is arranged below the down-flow plate, and an opening and closing valve is arranged at the lower end of the sand storage barrel; and the bottom of the tank body is connected with a sediment cleaning assembly capable of automatically cleaning sediment on the bottom surface of the tank body. The separator not only can realize effective separation of oil, gas and water, but also can realize on-line and off-line sand cleaning, and the cleaning is more thorough.

The invention discloses track-based vegetable harvesting apparatus. The vegetable harvesting apparatus comprises operation tracks, a hanging beam and a harvesting device; each operation track comprises a mounting base, a guide rail, a close mechanism and a cleaning mechanism, the lower part of the mounting base is embedded under the ground, the guide rail is laid on the mounting base, the close mechanism is used to close the guide rail, and the cleaning mechanism is used for washing the guide rail by spraying water; the hanging beam is erected between the two operation tracks, supporting pieces are arranged below the hanging beam, and the lower ends of the supporting pieces are provided with track wheels; the harvesting device is suspended at the bottom of the hanging beam, and the harvesting device comprises left and right rollers, left and right blades, gas suction modules and shoveling modules; and the left and right rollers are parallel to each other and have a certain distance, aninvolving space is formed during rotating, the left and right blades cut vegetables in the involving space, at least half of cutting edges of the left and right blades are arranged as a saw tooth structure, the gas suction modules are used for adsorbing the cut vegetables on the surfaces, and the shoveling modules shovel the vegetables adsorbed on the surfaces of the left and right rollers.

The invention discloses a ballast system for reducing silt sucked by ship ballast water and a control method thereof. The ballast system comprises a seawater header pipe, a broadside water inlet pipe,a ballast tank connecting pipe connected to a ballast tank, and a ballast water conveying pipe connected with the seawater header pipe, the broadside water inlet pipe and a water outlet of the ballast tank connecting pipe. Wherein a water outlet of the ballast water conveying pipe is connected with an outboard drain pipe and a water inlet of the ballast tank connecting pipe, a seawater filter, aballast pump, a water conveying valve and a purification filter valve are sequentially arranged on the ballast water conveying pipe in the water flow direction, and the purification filter valve is connected with the ballast water treatment device in parallel. The water taking position of the ballast water can be flexibly selected according to the operation state of the ship ballast water, the sediment content of the surrounding water body and the water level, and the sediment content of the sucked ballast water is efficiently reduced.

The invention discloses vegetable harvesting apparatus. The vegetable harvesting apparatus comprises operation tracks, a hanging beam and a harvesting device; each operation track comprises a mountingbase, a guide rail, a close mechanism and a cleaning mechanism, the lower part of the mounting base is embedded under the ground, the guide rail is laid on the mounting base, the close mechanism is used to close the guide rail, the cleaning mechanism is used for washing the guide rail by spraying water, the inner side of a close plate is provided with a support block, an end of the support blockis fixed with the inner side of the close plate, and the other end of the support block supports against the guide rail when the close plate is closed; the hanging beam is erected between the two operation tracks, supporting pieces are arranged below the hanging beam, and the lower ends of the supporting pieces are provided with track wheels; the harvesting device is suspended at the bottom of thehanging beam, and the harvesting device comprises left and right rollers, left and right blades, gas suction modules and shoveling modules; and the left and right rollers are parallel to each other and have a certain distance, an involving space is formed during rotating, the left and right blades cut vegetables in the involving space, the gas suction modules are used for adsorbing the cut vegetables on the surfaces, and the shoveling modules shovel the vegetables adsorbed on the surfaces of the rollers.

The invention discloses a rainwater eddy flow sand-settling seepage well which comprises a well body, wherein a water inlet pipe is arranged on a well wall of the well body; a sand storage zone and an oil storage zone are arranged in the well body; a baffle is arranged between the sand storage zone and the oil storage zone; a sand settling hole is formed in the middle part of the baffle; a separating device is arranged in the oil storage zone; the separating device comprises an outer barrel; the bottom of the outer barrel is opening; an inner pipe is connected with the top of the outer barrel; a water outlet pipe and a water seepage pipe are arranged on the side wall of the outer barrel; the height of the water seepage pipe is higher than the height of the oil storage zone. The rainwater eddy flow sand-settling seepage well has the beneficial effects that the silt content and the oil concentration in the rainwater can be effectively reduced, the non-point source pollution caused by emission into urban water can be reduced and local rainwater entering into the well can permeate into the ground through the well wall so that the underground water supplement can be realized.

The invention relates to a full automatic underwater sludge treatment machine. A main-bracket top bracket is arranged on a main-bracket bottom bracket. A water tank is formed in the main-bracket top bracket, and a row of electronic valves is correspondingly arranged on the two sides of the main-bracket top bracket. The main-bracket top bracket is provided with a propeller motor, and the propellermotor is provided with a propeller. A rotary propeller motor is correspondingly arranged on the two sides of the main-bracket bottom bracket and is provided with a screw propeller motor. The main-bracket bottom bracket is provided with a roller, and the roller is fixed to the main-bracket bottom bracket and is connected with a corresponding roller motor. Cylindrical oxygen slow-release generatorsare arranged in grooves under the two sides of the roller. According to the full automatic underwater sludge treatment machine, sludge is stirred onto the cylindrical oxygen slow-release generators bya stirring mechanism, the oxygen content in the sludge is increased by the cylindrical oxygen slow-release generators so as to promote the metabolic capacity of microorganisms, further the sediment content in the sludge is reduced, and therefore the influence on the water quality of a riverbed and a watercourse is reduced.

The invention belongs to the technical field of environmental restoration, and particularly relates to a silt-water separation pond used in the field of environment restoration. The silt-water separation pond comprises a base pit, the base pit is divided into a silt pond and a clear water pond through an interval zone, the silt pond is communicated with the clear water pond through a communicatingpipe, and the communicating pipe penetrates through the interval zone in the thickness direction of the interval zone; a water pump is arranged outside the clear water pond, the inlet end of the water pump is communicated with the clear water pond through a water suction pipe, and the outlet end of the water pump is communicated with an adjusting pond through a water outlet pipe. The silt-water separation pond used in the field of environment restoration can avoid the disordered state of water collection facility construction in the field of environment restoration currently and is widely applied to environment restoration type projects; the silt content in clear water in the clear water pond is drastically lowered, the inflow water quality of the adjustment pond is effectively improved,the silt content of the adjustment pond is effectively reduced, therefore the service life of the on-site water pump is prolonged by a large margin, and the occurrence of the situation that since thewater pump is clogged by silt in previous projects, the water pump is damaged, and sewage delivery is influenced is avoided.

The invention discloses a silver-plated hanger. The silver-plated hanger comprises a hook (1), a plurality of fixed wings (2) and a frame net (3). The fixed wings (2) are connected between the edges of the hook (1) and the frame net (3), and the fixed wings (1) are evenly arranged around a hook (1) rod. The hook (1) is made of a conducting material. The silver-plated hanger is characterized in that the fixed wings (2) and the frame net (3) are made of insulating materials, a conducting frame (4) is arranged at the bottom of the frame net (3), and the bottom end of the hook (1) is connected with the conducting frame (4). The conducting frame (4) is in a cross shape and the bottom end of the hook (1) is connected to the cross center of the conducting frame (4). The silver-plated hanger is simple in structure, the superficial area of the conductive material of the hanger is reduced, the content of the deposited silver element in the electroplating process of the hanger is decreased effectively, and the electroplating cost is reduced.

The invention discloses a drying treatment production line and method for circulating water slime, and belongs to the technical field of chemical circulating water.The drying treatment production line comprises a water cooling tower, a cellulose filter, a sludge sedimentation tank, centrifugal sludge drying equipment and dry sludge incineration equipment which are sequentially connected, and the cellulose filter is further connected to the water cooling tower through a first backflow pipeline; the sludge sedimentation tank is connected to the water cooling tower through a second return pipeline, and the centrifugal sludge drying equipment is connected to the water cooling tower through a third return pipeline; after filtration, sedimentation, centrifugal separation and incineration drying are carried out in sequence, dry sludge is discharged, and clear water flows back to the water cooling tower.

The invention discloses a vegetable harvesting machine which comprises running rails, a hanging beam and a harvesting device. The running rail comprises mounting foundations, guide rails, closing mechanisms and cleaning mechanisms, the lower portions of the mounting foundations are embedded underground, the guide rails are laid on the mounting foundations and closed by the closing mechanisms, thecleaning mechanisms spray water towards the guide rails and clean the guide rails, the hanging beam is erected between the running rails, a supporting part is arranged below the hanging beam, rail wheels are arranged at the bottom end of the supporting part, the harvesting device is hanged at the bottom of the hanging beam and comprises a left roller, a right roller, a left blade, a right blade, an air-sucking module and a shoveling module, the left roller and the right roller are mutually parallel and have a certain distance to form an involving interval in the rotating process, the vegetables involved into the interval are cut by the left blade and the right blade, the cut vegetables are adsorbed onto the surface by the air-sucking module, and vegetables adsorbed on the surfaces of the left roller and the right roller are shoveled by the shoveling module.