36results about How to "Reduce sediment concentration" patented technology

The invention relates to a suspended river management system and method. The suspended river management system comprises a dam arranged in an upstream river way and capable of releasing flood during aflood season; an upstream diversion canal provided with a diversion adjusting gate is arranged on the upstream position of the dam, and the upstream diversion canal is connected with a flood retarding basin of a midstream desertification zone; the flood retarding basin is connected with a downstream diversion canal provided with a sand flushing adjusting gate, and the downstream diversion canal is connected with a river way of a suspended river section; and the diversion adjusting gate and the sand flushing adjusting gate are connected with a hydrological station. According to the suspended river management system and method, the rolling dam is arranged at the upstream position for diversion, and a reservoir for containing flood in the flood season is arranged in a midstream desert; and after being subjected to silt deposition in the reservoir, a water flow is led into a downstream river way to flush the downstream river way, thus a downstream riverbed is lowered, the problem of riverbed continuous deposition and heightening is solved, a secondary suspended river is avoided, and the effects that hydro-junction systems of middle and lower reaches are protected, and the service lives of the reservoir and power generating equipment are prolonged are achieved.

The invention provides an ecological treatment system applicable to a river channel with high silt content. The ecological treatment system comprises a membrane formation unit and an ecosystem unit, wherein the membrane formation unit is composed of at least two artificial aquatic plant groups which are arranged in parallel; the artificial aquatic plant groups are perpendicular to revetments; opposite sides of two adjacent artificial aquatic plant groups are respectively connected with a revetment; a water flow channel is arranged between the artificial aquatic plant groups and the revetmentsand extends in a Z shape; and the ecosystem unit is divided into three areas by two rows of parallelly-arranged flow-guide isolation nets along the extension direction of the river channel. Accordingto the invention, the membrane formation unit can retard the flow rate of the river channel to a certain extent, facilitates settlement of large suspended substances like silts and particular mattersin water, and preliminarily settles the particular matters in the water from upstream. The ecological treatment system provided by the invention gives full play to the water-purifying function of an ecological system to build a water ecological management system for the river channel, and achieves the purposes of receiving pollution, generating purification, reducing silt content and improving transparency.

The invention discloses an inclined board sand removing water obtaining device. The inclined board sand removing water obtaining device comprises a water outlet pipe and a shell, wherein the whole shell is of a strip shape. The water outlet pipe is fixedly arranged at one end of the shell. The inclined board sand removing water obtaining device is characterized in that the device further comprises an inclined board sand removing mechanism, the inclined board sand removing mechanism comprises multiple inclined boards fixedly arranged in the shell and arranged at intervals in the length direction of the shell, and the upper portion of each inclined board is provided with a water passing hole; the inclined board sand removing mechanism further comprises a water outlet chamber and a sand removing water obtaining chamber; the water outlet chamber is formed between the end, where the water outlet pipe is located, of the shell and the adjacent inclined board; the sand removing water obtaining chamber is formed between the other end of the shell and the adjacent inclined board; the bottom, where the sand removing water obtaining chamber is located, of the shell is provided with two slopes in the length direction, the inner ends of the two slopes face downwards and are adjacent, a sand discharging groove is formed, and each slope is provided with a filter screen structure used for water inflow. The inclined board sand removing water obtaining device has the advantages of being simple in structure, stable in water obtaining function, small in water obtaining resistance, good in sand removing effect, capable of improving the sand removing water obtaining efficiency and suitable for production, popularization and application.

The invention relates to a novel extraction well. The novel extraction well includes a well body, the well body is internally equipped with an inner pipe and an outer pipe sleeved outside the inner pipe, the extension directions of the inner pipe and the outer pipe are both perpendicular to the horizontal plane, and the side walls of the inner pipe and outer pipe are both provided with a well screen structure. The space between the well body and the outer pipe is filled with a first layer of filter material, the space between the outer pipe and the inner pipe is filled with a second layer of filter material, and the fineness modulus of the first layer of filter material is larger than that of the second layer of filter material. The bottom of the inner pipe is sealed, and the inner pipe isinternally equipped with a water suction pipe. According to the arrangement, groundwater can undergo multiple filtering, and the filtering effect increases layer by layer, thus being conducive to ensuring the stability of effluent water, reducing the sand content of effluent water, and effectively preventing the risk of blocking filtering channels.

The invention discloses a spiral flow self-desilting type desilting filter tank, and relates to the technical field of agricultural irrigation. The desilting filter tank comprises a desilting basin, aclean water basin is arranged at the tail end of the desilting basin, a water inlet gate is arranged at the front end of the desilting basin, a water outlet gate is arranged at the rear end of the clean water basin, a first notch is formed in a wall body between the desilting basin and the clean water basin, and a plurality of overflow grooves are formed in the bottom surface of the first notch.A flow regulating plate in the desilting basin divides the internal space of the desilting basin into a flow stabilizing section and a desilting section. At least two desilting scrolls are arranged atthe bottom of the desilting section, one end of each desilting scroll penetrates through the side wall of the desilting basin and extends out of the desilting basin, and a second notch is formed in the desilting scroll located in the desilting basin. The desilting filter tank can achieve the dual effects of desilting and filtering within the shortest effective length, the desilting efficiency isgreatly improved, and the requirement that surface water enters ditches and canals for irrigation is met.

The invention relates to drilling slag treatment vehicles, in particular to a drilling slag treatment vehicle and a drilling slag construction method. The treatment vehicle comprises a power vehicle head, wherein a drilling slag conveying system is connected with a drilling slag separation and dehydration system arranged on a traveling chassis, the drilling slag separation and dehydration system is connected with a slurry treatment system through a slurry discharge communication port, and a slurry preparation system is arranged above the slurry treatment system; and during drilling construction of a drilling machine, the slurry preparation system is started, qualified slurry is supplied into a drilled hole, and meanwhile drilling slag and circulating slurry in different states are conveyedto the drilling slag separation and dehydration system through the drilling slag conveying system, firstly, drilling slag and slurry are separated, the slurry is conveyed to the slurry treatment system, fine drilling slag is separated, pure slurry is obtained and conveyed into the drilled hole again for use. According to the treatment vehicle, drilling slag treatment and slurry recycling are combined and integrated into a drilling slag treatment system, the structure is adjusted, the occupied area is small, moving is convenient, and actual construction is better facilitated.

The invention belongs to the field of hydraulic engineering, and relates to a large and medium-sized reservoir of a sediment-laden river, in particular to a reservoir, wherein the reservoir is used for solving the problem of insufficient later flood season water storage caused by precipitation and sediment discharge in the flood season, and the IPC classification numbers of the reservoir is E02B 1/00 and E02B 3/02. By building a blood season water storage and sediment discharging separating system in the reservoir, a single reservoir area is separated into a water storage area, a sediment discharging area and an adjusting area which communicate through a rubber dam group; the water storage area stores clear water for a long time, and during precipitation scouring of the sediment discharging area, it can be ensured that the water storage area still stores a certain quantity of standby water resources; and through the adjusting area, the clear water of the water storage area or the sediment discharging area can be diverted conveniently and flexibly for power generation, and damage caused by a coarse-sediment-containing water flow of the sediment discharging area to a power station isprevented. According to the blood season water storage and sediment discharging separating system, the contradiction between water storage benefiting and flood discharge for sediment discharge of thelarge and medium-sized reservoir is resolved, and overall flood prevention application to the flood season of the reservoir is not influenced.

The invention discloses a water treatment device with functions of filtering sand, automatically adjusting temperature and resisting bacteria, which comprises a filtering part, an automatic temperature regulating part, a flow control part, a casing and the like. The drinking water for animals, which is treated by the water treatment device, has low sand content, low content of microorganism and moderate temperature; the sand content in water is below 0.5kg/m<3> and the removal rate of the sand reaches over 96 percent; and the water temperature in winter is kept over 16DEG C. The drinking water for the animals, which is treated by the water treatment device disclosed by the invention, is beneficial to realizing the healthy breeding of the animals.

The invention provides a special oil pumping unit protection device for oil production engineering and a use method thereof. Comprising a motor, a speed reducer, a supporting frame and an upper connector, the top of the supporting frame is rotationally connected with a movable beam, a horse head is fixed to one end of the movable beam, a sucker rod is fixed to the horse head through a steel wire rope, the bottom end of the upper connector communicates with an outer cylinder, a fixed cylinder is arranged at the bottom end of the outer cylinder, and a pump cylinder is arranged in the outer cylinder; a plunger is arranged in the pump cylinder in a sliding mode, and an oil inlet hole is formed in the bottom of the plunger. According to the special oil pumping unit protection device for the oil production engineering and the using method thereof, oil drainage is prevented, the blowout prevention mechanism is arranged, the overflow condition caused by stratum energy can be effectively controlled, the sand content of crude oil is reduced, foreign matter deposition in a well can be prevented from blocking the bottom of an oil well pump, and the problem that foreign matter deposition in the well blocks the bottom of the oil well pump and a pipeline is solved; and therefore, the service life of the oil pump is prolonged.

The invention discloses a recession and desilting structure of a silt-laden channel. The recession and desilting structure comprises an upstream channel, a downstream channel, a recession and desilting channel, a desilting basin, a check gate and a recession and desilting gate. The upstream channel and the downstream channel are connected through a bend, the bend serves as a desilting basin, by means of the principle of forward sand flushing and bend water taking, the downstream channel is connected to a bend convex bank, the water recession and desilting channel is connected to a bend concave bank, and a water recession and desilting gate and a check gate are arranged at inlets of the water recession and desilting channel and the downstream channel respectively. During irrigation, the check gate is opened, the water-recession sand-discharging gate is closed, water flows through the curve, and sand and stones are deposited in the sand basin due to inertia; during sand discharging, the check gate is closed, the water-recession sand discharging gate is opened, the water flow of the water-recession sand discharging channel is increased, and overflowing sand pulling is increased through the channel, so that silt deposited in the channel is discharged.

The invention discloses a sewage sand removal device which comprises a sewage channel, and the sewage channel is provided with an arc-shaped corner; a sand removing water channel is formed in the inner ring side of the corner; a sand removing guide plate is mounted in the sand removing water channel; the sand removing guide plate comprises a horizontal flat plate laid at the bottom of the sand removing water channel and an inclined plate fixedly connected with the horizontal flat plate; the two sides of the sand removing guide plate are coupled with rotating rollers through supporting rods, and the rotating roller located at the top is connected with a rotating power device; two ends of the rotating roller are sleeved with sleeve locking pieces; and a sand scraping plate is fixed on the sleeve locking pieces. The sewage sand removal device is simple in structure, convenient to construct and small in occupied area, most silt in sewage can be effectively pretreated, and therefore the silt content in the sewage is effectively reduced when the water pump sucks the sewage, abrasion of sand grains to the pump shell is greatly reduced, and the silt filtering pressure in the treatment tankis reduced.

The invention discloses a water body impurity removal device for water purification equipment. The water body impurity removal device for the water purification equipment comprises a tank body; a first roll wheel is rotationally connected to one side of the top of the tank body through a first supporting plate; a second roll wheel is rotationally connected to the center of a first buffer device; athird roll wheel is rotationally connected between the two opposite sides of the inner wall of the tank body; the first roll wheel, the second roll wheel and the third roll wheel are in transmissionconnection through a rough impurity removal conveyor belt; a fourth roll wheel is rotationally connected to one side, far away from the first supporting plate, of the top of the tank body through a third supporting plate; a fifth roll wheel is rotationally connected to the center of a second buffer device; a sixth roll wheel is rotationally connected between the two opposite sides of the inner wall of the tank body; and the fourth roll wheel, the fifth roll wheel and the sixth roll wheel are in transmission connection through a fine impurity removal conveyor belt. The invention relates to thetechnical field of water purification. The water body impurity removal device for the water purification equipment solves the problem that a water inlet is easily blocked after pollutants float in water, lowers the sand content in water at the same time and improves the subsequent water body purification efficiency.