32results about How to "Increase the catchment area" patented technology

The invention provides a drainage device and method for a tunnel and an underground structure. The drainage device comprises an outer sleeve pipe penetrating through a tunnel lining or the undergroundstructure when used, a core pipe and a drainage structure control unit placed in the core pipe, wherein the lower end of the core pipe extends into the upper end of the outer sleeve pipe, and the core pipe is in threaded connection with the outer sleeve pipe. A plurality of second water release holes are formed in the outer wall of the lower portion of the outer sleeve pipe; a bearing part is arranged at the lower end of the core pipe, and a plurality of first water release holes are formed in the outer wall of the lower portion of the core pipe; and the drainage structure control unit comprises a stabilizing block placed in the core pipe and located on the bearing part, a guiding sleeve, a guiding rod, a connecting piece, a sealing piece, a spring, a top cover and one or more transversedrainage pipes, wherein the lower end of the guiding sleeve is fixedly connected with the upper end of the stabilizing block; the lower end of the guiding rod extends into the guiding sleeve, and theguiding rod is in sliding fit with the guiding sleeve; the connecting piece is fixedly connected with the upper end of the guiding rod; the sealing piece is mounted at the upper end of the connectingpiece and is in liquid sealing fit with the inner wall of the core pipe; the spring is mounted on the guiding sleeve in a sleeving mode, and the two ends of the spring are fixedly connected with the stabilizing block and the connecting piece correspondingly; and the upper end of the core pipe is closed by the top cover.

The invention discloses a large fishing kite comprising a fishing net, a supporting mechanism fixedly arranged on a river bank and transmission equipment; four sides of the fishing net are penetratedby first nylon ropes in a closed ring way, and the lower end of the geometric center of the fishing net is provided with a fish basket; the supporting mechanism comprises bearing rods and a supportingrod, and the supporting rod is vertically fixed on the river bank; and the transmission equipment comprises a motor, an output shaft, a motor control box, a fixed pulley block, a second nylon rope and a third nylon rope, two ends of the second nylon rope are respectively tied in the centers of two sides, traversing a river, of the fishing net, one end of the third nylon rope is tied in the centerof the second nylon rope, the top of the supporting rod is provided with the fixed pulley block, the other end of the third nylon rope is connected with the output shaft by the fixed pulley block, the output shaft is rotatably connected with the motor, and the motor is electrically connected with the motor control box. The fishing kite disclosed by the invention is wide in fish catching range, labor-saving in drawing in the net, capable of providing convenience for ship travelling, easy to fish and high in fish survival rate.

The invention discloses an intelligent rainwater collecting device for water conservation of gardens. The intelligent rainwater collecting device comprises a water storage tank, wherein a collecting box is connected to the bottom of the water storage tank through a water pipe, a support device is arranged at the bottom of the collecting box, a filtering pipe is arranged in the center of the insideof the collecting box, a lifting sleeve sleeves the outer side of the filtering pipe, a lifting support plate is arranged on the bottom of the lifting sleeve, a dust guard plate is arranged at one end, far away from the lifting support plate, of the lifting sleeve, a rainwater sensor is arranged on the dust guard plate, and connecting rods are uniformly hinged to one side, close to the dust guardplate, of the lifting support plate in a manner of bypassing the axis of the filtering pipe. The intelligent rainwater collecting device is simple in structure and novel in design, the collecting boxcan be conveniently moved and fixed, the water collecting area of the gardens is large, the device can be automatically opened for collecting rainwater during raining, in non-rainy days, the device has small occupied space in the garden, the collected rainwater is clean, the availability is high, when the device is full of the collected rainwater, the rainwater can be automatically pumped into the water storage tank by a water pump, the collecting box can continuously collect rainwater, the intelligence is high, and the practicability is high.

The invention discloses arrangement of an arid region wild-goose-type fish scale pit catchment measure in the technical field of catchment engineering. The arrangement includes: S1, selecting wild-goose-type fish scale pit afforestation land; S2, selecting a wild-goose-type fish scale pit afforestation variety; S3, adopting a method for preparing land of a wild-goose-type fish scale pit, wherein the method includes: a basic mode of the wild-goose-type fish scale pit, a land preparation mode of a big fish scale pit, structure and construction method of an oblique water retaining dam and structure and construction method of an oblique catchment ditch (groove). The wild-goose-type fish scale pit is high in volume and water storage capacity, large in interception water gathering area and capable of intercepting much natural rainfall; the oblique water retaining dam or the oblique catchment ditch (groove) is constructed along with a slope, so that construction is simple and convenient.

The invention discloses a retractable water collecting device for a water dispenser. The retractable water collecting device comprises a water collecting box and a box cover. Two support barrels are symmetrically arranged in the middle of the bottom of the inner side of the water collecting box in the left-right directions, positioning shafts are arranged on the lower side of the water collecting box, the box cover is mounted on the water collecting box, positioning holes are formed in the box cover, an auxiliary box is connected to the lower side of the water collecting box by the positioning shafts, an outwardly oblique slope surface is arranged at the bottom of the inner side of the auxiliary box, columnar elastic limiting stoppers which correspond to the support barrels are arranged in the middle of the slope surface, a strip-shaped groove is formed in the lowermost end, which is positioned on a side surface of the auxiliary box, of the slope surface, a slide plate is mounted in the strip-shaped groove, a rectangular hole is formed in the middle of the slide plate, the upper end of the rectangular hole is symmetrically arranged in strip-shaped slide groove in the left-right directions, a water collecting groove is formed in the lower end of the rectangular hole, and pressure rods which are in contact with the limiting stoppers are arranged in the positioning holes. The retractable water collecting device has the advantages that the retractable water collecting device is simple in structure and low in manufacturing cost, a water collecting device can be automatically popped out and extended below the water collecting box when cups are arranged on the water collecting box, accordingly, the water collecting areas can be enlarged, spilling can be prevented when water is collected, and the retractable water collecting device has an excellent service prospect.

The invention discloses a rainwater separate collection device and method. The rainwater separate collection device comprises a reservoir, a rotary disc arranged on the reservoir, a vertical barrel arranged on the rotary disc, a filter screen arranged at the upper end of the vertical barrel and with an upward opening, a water collection cover arranged at the upper end of the vertical barrel, a vertical pipe extending above the opening and with closed upper end and lower end, a plurality of nozzles arranged on the vertical pipe and a solar cell panel arranged on the vertical barrel. A net structure is arranged on the upper surface of the reservoir, a soil layer is laid on the net structure, vegetable layers are planted in the soil layer, the reservoir is divided into a first water chamber and a second water chamber, and the lower end of the vertical barrel communicates with the first water chamber. The rainwater separate collection device and method have the characteristics of larger water collection area and high rainwater collection efficiency.

The invention discloses a soil humidity maintenance device for horticultural plants and a maintenance process thereof, comprising a water storage tank buried between adjacent trees, the upper part of the water storage tank is provided with a windproof reinforcement section protruding outward; the upper end of the planting soil layer is flush with the ground It is flat; several seepage holes are formed on the seepage pipe located outside the water storage tank; fixed anchor blocks pre-buried in the soil layer are arranged under the water storage tank. The fixed anchor block is provided with a number of connecting columns, and the bottom of the water storage tank is provided with a second through hole corresponding to the connecting columns one by one and for the connecting columns to pass through. A first sealing member is arranged between the second through hole. Compared with the prior art, the present invention provides a water storage tank with a windproof reinforcement section, a fixed anchor block and a connecting column, so that the humidity of the soil where the trees are located can be replenished through the seepage pipe on the water storage tank, and the windproof ability of the trees is enhanced. , so that urban gardening trees can grow normally.

The invention discloses a tube well used for unwatering and pressure-reducing drainage. The tube well comprises a well pipe comprising a precipitation tube, a pressure-reducing water filtering tube, a pressure-reducing well wall tube, an unwatering water filtering tube and an unwatering well wall tube which are sequentially arranged from bottom to top in a penetrating mode, and the joint of the pressure-reducing well wall tube and the unwatering water filtering tube forms a lower pressure-reducing well pipe and an upper unwatering well pipe through a seal board in a partitioning mode. The seal board is provided with a natural flow pipe comprising a water inlet pipe section and a water outlet pipe section, the water inlet pipe section is provided with a water inlet, the water outlet pipe section is sequentially provided with a plurality of water outlet pipe section bodies in the axial direction, each water outlet pipe section body is provided with a side wall water outlet and an upper water outlet, and the side wall water outlets and the upper water outlets are of opening and closing structures. The tube well simplifies drainage procedures, increases the drainage success probability, reduces engineering costs, accelerates the construction progress, increases the deep foundation pit excavation safety coefficient, and simplifies capping work. The invention further discloses a drainage method using the tube well.

The invention relates to a method for excavating a foundation pit. The method for excavating a foundation pit comprises the following steps: step 1, setting a precipitation zone in the area of ​​the foundation pit to be excavated, and the direction of groundwater seepage in the area between the precipitation zone and the area of ​​the foundation pit to be excavated Intersect; Utilize the groundwater in the precipitation belt setting area of ​​described precipitation belt suction, before groundwater is blocked to precipitation belt; Step 2, excavate the area that is positioned at the downstream of precipitation belt on the groundwater seepage direction; Step 3, in the area of ​​precipitation belt A precipitation zone is set on the side upstream of the groundwater seepage direction; step 4, excavating an area located downstream of the newly set precipitation zone in the groundwater seepage direction. This foundation pit excavation method only dewaters in the foundation pit to avoid large area settlement outside the pit.

The application relates to a green roof water-saving system, which relates to the technical field of green buildings, which includes a house body and a green planting area on the house body, a bracket is fixedly arranged on the house body, a water receiving tank is fixedly arranged on the bracket, A tank opening is opened on the top of the water tank, and a group of water receiving plates are symmetrically arranged on the inner side wall of the tank opening, and the water receiving plates are used to seal the tank opening, and the water receiving plates are rotationally connected with the water receiving tank. The water receiving box is provided with a rotating assembly that drives the mutual rotation between the water receiving plate and the water receiving box. The application has the effects of increasing the amount and efficiency of collecting rainwater, reducing waste, and improving the effect of environmental protection and energy saving.

The invention discloses a rainwater collecting and purifying device and method. The rainwater collecting and purifying device comprises a water storage tank, a rotating disc arranged on the water storage tank, a vertical cylinder arranged on the rotating disc, a filter net arranged at an opening in the upper end of the vertical cylinder, a water collecting cover arranged at the upper end of the vertical cylinder, a vertical pipe extending out of the upper part of the opening and provided with the closed upper end and lower end, a plurality of nozzles arranged on the vertical pipe, and a solarcell panel arranged on the vertical cylinder; and a box is further arranged on the water storage tank, a water tank with the upper end open is arranged in the lower part of the box, a condensing shellis arranged in the upper part of the box, a distilled water collecting tank is arranged on the lower part of the condensing shell and connected with a water outlet pipe, and a solenoid valve is arranged on the water outlet pipe. The rainwater collecting and purifying device and method have the characteristics that the water collecting area is large, and the rainwater collecting efficiency is high.

The invention provides a rainwater recycling device, and belongs to the field of resource recycling. The rainwater recycling device comprises a rainwater receiving air bag, an inflation mechanism and a rainwater receiving box, the inflation mechanism is connected with the rainwater receiving air bag and used for inflating the rainwater receiving air bag to enlarge the rainwater receiving air bag, a water inlet groove is formed in the middle of the rainwater receiving air bag and connected with the rainwater receiving box, and rainwater received by the rainwater receiving air bag enters the rainwater receiving box through the water inlet groove. The rainwater recycling device can quickly recycle more rainwater, reduces waste of rainwater resources during short-time rainfall, has heat insulation performance, and effectively avoids rainwater deterioration caused by temperature rise in summer; and meanwhile, the rainwater recycled in winter can be effectively prevented from being frozen, normal use of the recycled rainwater is ensured, and the rainwater recycling device is practical, efficient, energy-saving and environment-friendly.

The invention discloses a press dewatering system in a paper machine structure for artificial board facing body paper production. The press dewatering system comprises a paper guide roll, a vacuum suction moving press roll, a vacuum press roll, a stone roll, a double scraper, a spraying device, a blind hole roll and coarse cotton cloth. Guide rolls are arranged in a first coarse cotton cloth loop, a second coarse cotton cloth loop and a third coarse cotton cloth loop in a transmission mode, and the first coarse cotton cloth loop, the second coarse cotton cloth loop and the third coarse cotton cloth loop are provided with tensioning devices, correcting devices, water absorbing tanks and water receiving trays. According to the press dewatering system, three pieces of coarse cotton cloth are adopted in the whole press part, and thus the press speed is increased; the tensioning devices and the correcting devices cooperate to adjust the coarse cotton cloth, the tensioning devices control the tension of the coarse cotton cloth to prevent the coarse cotton cloth from loosening, and the correcting devices detect the conveyed coarse cotton cloth and can correct the advancing path of the coarse cotton cloth and prevent the coarse cotton cloth from deflecting; meanwhile, the press dewatering system can reduce energy consumption and obviously increase the dryness of body paper after press, and has significant economic benefits.