50results about How to "Unimpeded drainage" patented technology

The invention discloses a novel floor-drain drainage inner core and a floor drain with the inner core. The drainage inner core comprises an inner core body with a water inlet and a water outlet and a drainage impeller which is rotatably arranged in the inner core body and can be used for drain water in an accelerated mode, and water flow is driven by the rotation of the drainage impeller; the floor drain comprises the drainage inner core and a floor drain shell with a water inlet and a water outlet, the water inlet of the drainage inner core is connected with the water outlet of the floor drain shell, and the water inlet of the floor drain shell is provided with a filtration cover plate. The drainage inner core of the structure can increase the drainage speed through the rotation of the drainage impeller, the drainage is smooth, and the effect is good.

The invention discloses technology for processing coastal glehnia root medicinal materials in a planting and producing area and a quality standard. The technology comprises the following steps of: natural environment and planting field selection, seed treatment, sowing and seedling, field management, pest prevention and control, harvesting, processing and quality control standard. The producing area with an atmosphere environment and a soil environment both reaching a good agricultural practice (GAP) standard is selected in the sowing step; in the production management process, any harmful synthetic chemical substance is not used or a limited amount of appointed synthetic chemical substance is allowed; the production and processing are performed according to a production operating procedure worked out by GAP requirements; check and detection are performed; sandy or semi-sandy soil with loose and fertile soil texture is selected; if seeds are sowed in spring, the seeds are required to be stored in sand at low temperature; in the field management step, the water content of soil is controlled and reasonable relative humidity is kept; buds are picked timely; the pest prevention and control work is well performed; after harvesting, the coastal glehnia root medicinal material which is peeled or not peeled is processed timely, wherein the medicinal effect is better if the coastal glehnia root medicinal material is not peeled; and fingerprint and content measurement is added in the quality control, so the quality control standard is raised.

The invention discloses a vacuum low-level normal pressure device for soft soil foundation reinforcement treatment. The device comprises a drainage well and a tube arranged in the drainage well, wherein the bottom of the drainage well is coated with a filter membrane, and extends into a soft soil foundation base course; the drainage well is connected to a vacuum pump and a booster pump respectively, and provided with a changeover valve so as to communicate with the vacuum pump or the booster pump selectively, and the tube is provided with a check valve; when the water level of a soft soil foundation is relatively high, the booster pump is communicated with the drainage well through controlling the changeover valve; the drainage well is pressurized internally to discharge underground water outside through the tube, so that the water resistance in the drainage well is reduced greatly; the well resistance of the filter section of the drainage well can be overcome while pressurizing for drainage; the well resistance effect can be reduced effectively so that the drainage well drains water smoothly.

The invention discloses a geo-technical frozen soil frost heave experiment machine. The experiment machine comprises the an insulation can; the insulation can comprises a first insulation chamber and a second insulation chamber; a heating device and a refrigeration apparatus are arranged on an inner wall of the first insulation chamber; a base plate is arranged in the first insulation chamber, an organic glass cylinder is arranged on the base plate; a top board is arranged on the upper end of the organic glass cylinder, a pressurization apparatus is arranged on the top board; several water tanks are arranged in the top board, externally connected cold bath is connected with the water tanks through thermotropic circulation solution inlet / outlet pipelines; a pressure transducer is arranged in the organic glass cylinder; through combination of a load transducer and a measuring cylinder, data acquisition for water-absorbing capacity and water-discharge capacity during a determination test process can be determined, change of water volume can be detected by the load transducer, and can be displayed by a data collector, the data is stored by an instrument, so that real-time change of water-absorbing capacity and water-discharge capacity of frozen soil during a freeze thawing process can be obtained.

The invention discloses a primary rainwater purification device which comprises a finished product box, a cover plate, an inner chamber and an outer chamber, wherein a sewage intercepting basket is fixed at the middle part of the inner chamber; a water inlet pipe communicated with external sewage is arranged at the position, above the sewage intercepting basket, in the inner chamber; an inner overflow port and oil absorption cotton attached to the inner wall of the inner chamber are arranged in a region, at the lower part of the sewage intercepting basket, of the inner chamber, and the inner overflow port is higher than the oil absorption cotton; a seepage hole is formed in a bottom plate of the finished product box; a reinforced filtering material bag is arranged in the region, in the inner chamber, above the bottom plate of the finished product box; and common filtering filler is arranged in the region, between the outer chamber and the inner wall of the finished product box, above the bottom plate of the finished product box. The primary rainwater purification device can effectively control non-point source pollution in light rain, and the filtered water can directly infiltrate for nourishing the green area; and the primary rainwater purification device can economically and effectively control non-point source pollution in heavy rain and can keep drainage unblocked. A plurality of assemblies are synergistic, so that installation and maintenance are convenient.

The invention provides a prevention method for filling roadbed slope stabilization. The prevention method comprises the steps of determining whether a sloping space exists in a filling roadbed or notaccording to requirements on a terrain, an external environment and a part of the filling roadbed; if the sloping space exists in the filling roadbed, planting grass on a slope of the filling roadbedafter filling the filling roadbed layer by layer; and if the sloping space does not exist in the filling roadbed, filling the roadbed layer by layer, and meanwhile, fixing a tie bar, broken stones anda retaining wall panel layer by layer to form a reinforced retaining wall slope. According to the prevention method provided by the invention, different prevention methods are adopted according to the requirements on the terrain, the surrounding environment and the part of the filling roadbed, so that the applicability of filling roadbed slope treatment is improved, the scouring resistance of thefilling roadbed slope is improved, the prevention method is particularly suitable for preventing the hazard of first-class soil filling roadbed sliding, and the stability inside and outside a road embankment is improved.

The invention relates to a method for constructing a netted slope earth-retaining wall, which comprises the following steps: (a) adjacently placing ecologic bags to form a first extension layer; (b) placing a second extension layer on the ecologic bags in the first extension layer; (c) tying ecologic bags adjacent from the first extension layer and the second extension layer with belts; (d), placing a third extension layer on the ecological bags in the second extension layer; (e) tying ecologic bags adjacent from the second extension layer and the third extension layer with belts; (f) connecting the adjacent ecologic bags in each extension layer with belts; and (g) laying ecologic bags in the same way to form a preset number of layers. Due to the structure, the method has the advantages that: the construction is convenient; the water drainage among the ecologic bags is smooth; all ecologic bags are connected into a net shape, thereby being more reliable, safe and firm; and the surfaces of the ecologic bags be used for planting flowers, grass, bushes, vines and the like. The roots of plants freely grow among the ecologic bags and firmly connect the ecologic bags into a whole, so a stable and lasting ecologic slope earth-retaining wall is constructed.

The invention discloses a novel water storage and drainage plate, which has strong bearing capacity and good mechanical property and is convenient for forming and multifunctional. The novel water storage and drainage plate is a double-sided concave-convex pyramid plate made of plastic. In the pyramid plate, a series of double-sided concave-convex staggered truncated pyramid supporting bodies are processed on a whole plate / sheet by using a method of die pressing, plastic absorption, rolling and the like; the adjacent truncated pyramid units are mutually communicated through a V-shaped groove; and during construction, a geotextile filter layer is spread on the water storage and drainage plate. The novel water storage and drainage plate has excellent mechanical property, can bear load, resist trample, store and discharge water, regulate water quantity and steam, preserve moisture and hold water and soil, is easy for construction and simple and convenient to assemble, can be widely applied in the fields of building engineering, urban greening and the like, is simple in manufacture, is suitable for large-scale batch production, and is low in cost.

The invention discloses a road structure facilitating pavement sewage discharge. The road structure comprises a main road (1), a road edge (2) and an auxiliary road (3), wherein the road edge (2) is a connecting part between the main road (1) and the auxiliary road (3), and is built by more than one road edge stone in an edge manner; each road edge stone comprises a base (231), a lower step (232) and an upper step (233); longitudinal diversion trenches (234) are formed between the lower steps (232) and the upper steps (233); and the base (231), the lower step (232) and the upper step (233) of each road edge stone (23) are in an integral structure. The road structure improves drainage and diversion capacity of the two sides of a road, can rapidly and sufficiently drain pavement water, can improve the strength of the road edge stone, can increase the effective width of the main road, cannot expose settled sand out of the surface of a street, allows the street to be more attractive, can reduce a construction link, and can reduce the construction cost.

The invention discloses a later-period sub-dam stacking and dam face drainage ditch arrangement mode for a tailing pond. In the later-period damming process of the tailing pond using an upstream-type tailing damming method with mill tailings, the slope surfaces of later-period stacked sub-dams are controlled according to the initial stage dam body axis of a designed slope requirement aspect, and meanwhile damming needs to be conducted from dam abutments at the two sides of the slope aspect of the stacked sub-dame central axis; dam abutment drainage ditches are constructed in a mountain body and located at the connecting positions of the later-period stacked sub-dams and the mountain body, and are further connected with a dam abutment drainage ditch of an initial stage dam body; a stair of packway is arranged every time when the height of the later-period stacked sub-dams is vertically increased by 5 meters, and the packway width reaches the designed requirement; slope surfaces are designed from the middle of each packway to the dam abutment drainage ditches in the two sides of the slope aspect, and each formed packway is high in the middle and low at the two ends; dam face longitudinal drainage ditches are built on each packway and are based on the dam abutment drainage ditches in the two sides of the slope aspect of the same packway; and a dam face transverse drainage ditch used for junction is built between every two adjacent levels of packway dam face longitude drainage ditches.

The present invention provides an HVAC assembly common to left and right rudders of truck air conditioners, including a first unit subassembly 100 and a second unit subassembly 300; the first unit subassembly 100 includes an upper shell assembly 102, a lower shell The body assembly 101; the upper shell assembly 102 includes: functional air duct components and heating components, the functional air duct components include a front blowing surface air duct 106, a left blowing surface air outlet 107, a right blowing surface air outlet 108, a positive defrosting air outlet 111, a left Defrosting air outlet 112, right defrosting air outlet 113, left blowing foot air outlet 109, right blowing foot air outlet 110; heating element is set as warm air heater 103, warm air heater 103 is connected with water inlet servo through warm air heater inlet and outlet pipe 104 The solenoid valve 306 is connected; the second unit subassembly 300 includes a return air duct housing assembly 308 and an evaporator assembly 309 . The HVAC assembly of the present invention has a compact structure, is a common structure for left and right rudders, has good refrigeration and heating effects of the air conditioner, is convenient to disassemble and assemble, and has low maintenance cost, and is suitable for batch application in truck air conditioners.

The invention discloses a normal-pressure multichannel papermaking drying cylinder which comprises a cylinder body. The drying cylinder is characterized in that a plurality of heat conducting channels which are uniformly distributed are laterally or longitudinally arranged in the cylindrical cylinder wall of the cylinder body; one end of each heat conducting channel is communicated with a steam input pipe, and the other end is communicated with a condensed water output pipe; and the steam input pipe and the condensed water output pipe are respectively communicated with a steam inlet and a condensed water outlet of a rotary joint. When steam enters the heat conducting channels of the cylinder body of the drying cylinder with the structure, the cylindrical cylinder wall of the cylinder body emits heat, heat is transferred to wet paper to be dried on the surface of the cylinder wall, and the wet paper is heated and water evaporates, so that the purpose of drying is achieved. As the drying cylinder body adopts an open structure, and pressure only exists in the heat conducting channels, the drying cylinder body does not belong to a pressure container. The drying cylinder belongs to a normal-pressure drying cylinder, has a simple structure, is high in temperature and heat transfer efficiency, low in weight, smooth in steam flowing and condensed water discharging, and low in manufacture cost.

The present invention discloses a drainage curbstone, and is characterized by that the side surface of curbstone or intersected corner position of the side surface of the curbstone and bottom surfaceis equipped with longitudinal continuous notch. Said invented curbstone not only can eliminate the water penetration of road surface structure, but also can save the raw material for making curbstone. When the interior of notch is equipped with water-permeable body or edge of the notch is equipped with support reinforced web, the curbstone can be more stable and firm.

The invention discloses sanitary garbage cleaning equipment, which structurally comprises a faucet, an overflow joint, a counter basin, a sewage outflow port, a sewage processing device, a blow-down pipe and a groove, wherein the sewage processing device is arranged at the left side of the blow-down pipe; the blow-down pipe and the sewage processing device are cooperated; a liquid level touch mechanism can indirectly start a motor to conduct work via a scrap iron collection mechanism when sewage flows into the blow-down pipe via the sewage outflow port, and at the same time, a movable bracketon the scrap iron collection mechanism can drop and a magnet can be fastened on the groove in the top surface of a breaking box; a breaking impeller, which is driven by the motor, can get rotating soas to stir and break garbage and water stains in the sewage and to discharge the processed sewage via a drainage pipe; and metal particles contained in the sewage can be adsorbed by the magnet, so that a pollution discharge environment in the blow-down pipe can be improved and smooth drainage of the blow-down pipe can be achieved.

The invention discloses a double-layer filtering floor drain with an insertion port for a washing machine water outlet pipe. The double-layer filtering floor drain comprises a floor drain body, the upper end of the floor drain body is provided with a stepped first large round concave hole and a second large round concave hole, the lower end of the second large round concave hole is provided with a communicated large round through hole, an upper leaking cover is arranged in a cavity at the lower end of the first large round concave hole, a first filtering hole is formed in the plate thickness of the upper leaking cover, the plate thickness center of the upper leaking cover is provided with a large round pipe, an anti-sliding line is arranged outside the diameter of the upper end of the large round pipe, and an internal thread is arranged in the wall thickness at the lower end of the large round pipe. A lower leaking cover is arranged in a cavity at the lower end of the second large round concave hole, a second filtering hole is formed in the plate thickness of the lower leaking cover, and the plate thickness center of the lower leaking cover is provided with a small round pipe. An external thread is arranged outside the diameter of the small round pipe, and the upper end of the large round pipe can be provided with a plug cover. A water outlet of the washing machine water outlet pipe can be inserted conveniently, so that no slit is reserved between the washing machine water outlet pipe and the floor drain, an original dirty water filtering function can be maintained, and the double-layer filtering floor drain is reasonable in structure, convenient and practical.

The invention discloses a mini-type mobile machinery shop air-conditioner and relates to the technical field of air-conditioner manufacturing. The mini-type mobile machinery shop air-conditioner comprises an evaporator, a heater and a ventilating blower, wherein the evaporator, the heater and the ventilating blower are arranged in a shell. An air-flow channel is formed from an air inlet of one end of the shell to an air outlet of the other end of the shell, and the evaporator is horizontally arranged on the air-flow channel which is close to one end of the air inlet. An included angle of a main flow plate and a horizontal plane is arranged at 10 degrees to 20 degrees in a slant mode. The heater and the ventilating blower are both arranged behind the evaporator on the air-flow channel. A pressure equalizing chamber is arranged between a wind outlet side of the ventilating blower and an air outlet of the air-flow channel. Compared with the prior art, the mini-type mobile machinery shop air-conditioner can solved the problems that the size of a mini-type mobile machinery shop air-flue-type air-conditioner is large, too much condensate water is produced, and the rate of heat exchange of the evaporator is low.

The invention discloses a drainage floor tile, which comprises drainage plates, wherein the drainage plates are connected with one another through horizontal drainage pipes. The problem that a drainage pipe is likely to be plugged through a drainage cover in the prior art is solved. In addition, the drainage floor tile is good in drainability and smooth to drain and has time-saving and effort-saving effects, the investment is saved, and the load of a building can be reduced; in addition, the drainage floor tile adopts oblique design, so that women wearing high-heeled shoes can walk on the drainage floor tile without worry.

A water grate capable of preventing the evaporation of the sealing water of a floor drain is provided with a plurality of rectangular drain holes (2), a corresponding rectangular check valve (5) is arranged under each rectangular drain hole (2), and a hinge of the rectangular check valve (5) is arranged on one long side of the rectangle. The check valve (5) is made of an elastic rubber board (3) with three cuts (4) corresponding to the rectangular drain hole (2), which has the same size as the whole water grate does. The check valves (5) arranged on the water grate can prevent the sealing water stored in the floor drain from being in contact with the air, consequently, the water cannot be evaporated to be reduced after a long time, and the sealing reliability of the water sealing type floor drain is guaranteed; the structure of the check valve made of the rubber board (3) is simple, and the cost is almost not increased. The design idea of arranging the check valves on the water grate breaks through the long-standing idea, and solves the problem of easy water evaporation in the water sealing type floor drain, which cannot be solved for a long time.

A construction site drainage method using a water collecting well is characterized by comprising the following steps that 1, a drainage steel-pipe (5) pipeline is set; 2, the water collecting well is built; 3, a protection net cover of the water collecting well is prepared; 4, a drainage steel-pipe (5) pipeline trench is dug; 5, the drainage steel-pipe (5) pipeline and the water collecting well are embedded and installed; 6, the protection net cover of the water collecting well is installed; 7, dismantling is conducted for reuse, wherein according to the need of an engineering site, and after the construction project is finished, both the drainage pipeline and the water collecting well can be dug out for recycling and be reused in the next construction project. The construction site drainage method using the water collecting well has the advantages that the water collecting well is simple in structure and convenient to built, by means of a complete drainage method, the on-site drainage problems can be effectively solved, smooth drainage is ensured, unnecessary slag removal and dredging work of drainage ditches is reduced, labor is saved, the construction period is shortened, recycling can be achieved, and the cost of the project is reduced.

The invention relates to improvement of rainwater wells on town roads, and in particular to a rainwater well settling box, which is characterized in that the rainwater settling box consists of a settling box, a drain pipe, a lifting pipe cap, a shaft core pipe, a lifting rod and a shaft core pipe rack, wherein the bottom of the settling box is provided with a round hole, the lower end of the drain pipe is connected with the bottom of the settling box, the upper end of the drain pipe is connected with the wall of the settling pipe through a support frame, the shaft core pipe is connected with the drain pipe, the upper end of the drain pipe is provided with the lifting pipe cap, and the upper end of the lifting rod in the shaft core pipe is fixed on the lifting pipe cap. The rainwater well settling box is arranged in the prior rainwater well in use, has the advantages of reasonable structure, simple manufacture, firm and durable well body, unimpeded drainage, hard blockage and easy cleaning, and can prevent air pollution caused by the emission of off flavor generated by sewage pipes through the rainwater well.

The invention discloses a carbon dioxide heat pump evaporator. The carbon dioxide heat pump evaporator comprises a fixing base, side evaporator bodies, an evaporator tray and a defrosting drainage system, wherein the side evaporator bodies are arranged on the left side and the right side of the fixing base separately and are provided with defrosting water circulation channels, and the evaporator tray is arranged at the bottoms of the side evaporator bodies and is used for supporting the side evaporator bodies; the defrosting drainage system comprises a plurality of defrosting electric heatingpipes, water receiving tanks, water tank electric heating mechanisms and drainage pipes, wherein the defrosting electric heating pipes are arranged in the side evaporator bodies in an inserted mode, the water receiving tanks communicate with the defrosting water circulation channels, the water tank electric heating mechanisms are used for heating the water receiving tanks, and the drainage pipes communicate with the water receiving tanks and are provided with pipeline electric heating tracing bands; and the evaporator tray, the water receiving tanks and the drainage pipes are sequentially arranged from top to bottom. The carbon dioxide heat pump evaporator is suitable for low-temperature areas, particularly for severe cold areas, and has the characteristics of being short in defrosting time, smooth in drainage and the like.

The invention discloses a paddy field trenching and soil transporting integrated machine which is good in trenching effect and capable of conveying soil to a position farther away from a side trench. The machine comprises a frame. A suspending support connected with a tractor is arranged on the frame; the lower end of the frame is provided with a trenching plowshare and a machete rotary tillage device; the machete rotary tillage device is connected with a gearbox arranged on the frame through a first transfer box; a first frame at the rear end of the machete rotary tillage device is provided with an elevator; the lower end of a seventh elevator is cooperated with the machete rotary tillage device; the gearbox is connected with a driving sprocket arranged inside the upper end of the elevator through a second transfer box; the lower end of the elevator is provided with a driven sprocket cooperated with the driving sprocket; a transfer chain is arranged between the driving sprocket and the driven sprocket; a plurality of transfer scrapers are evenly arranged on the transfer chain; the transfer chain is arranged in a housing of the elevator.

The invention relates to a novel overpressure protector for coal gas drainer, which is applicable to various field situations. The invention comprises a gas-water separator and a leakage stopping device which is connected with the gas-water separator, and is characterized in that the gas-water separator is composed of a water baffle, a gas-guide tube for gas-water separator and a draft tube for gas-water separator, wherein, the water baffle is arranged in the inner side of the water inlet of a drain pipe of the leakage stopping device and is connected with the upper part of the drain pipe of the leakage stopping device; the gas-guide tube for gas-water separator is arranged on the water baffle; the draft tube for gas-water separator is connected with the lower part of the drain pipe of the leakage stopping device; the upper surface of the outlet of the gas water separator draft pipe is on the same horizontal line with the bottom end of the valve cap of the leakage stopping device in vertical state; the valve cap with a sealing ring in the leakage stopping device is manufactured by adopting materials with buoyance force characteristics. Compared with current overpressure protector for coal gas drainer, the invention has simpler structure, no flexible parts, easy manufacturing, convenient checking and maintenance, reliable performance and long service life; the critical zone is zero; the invention can restrain tightly overpressure coal gas, drain away water in great quantities unobstructedly, and prevent the evaporation of water content.

The invention provides a full-width seamless integrally-formed asphalt paving method for old road extension. An anti-segregation paver is adopted to pave an old road and a new road at the same time toform a straight slope structure; in the asphalt paving process, the discharging amount of two spiral pavers is adjusted according to the paving thickness difference of an old road and a new road, themain vibration amplitude and the auxiliary vibration amplitude of the anti-segregation paver are adjusted to enable the transverse compactness to be uniform and consistent, and the full-width longitudinal-joint-free integrally-formed asphalt pavement is achieved. Compared with an existing process of paving by multiple pavers in parallel, the problems of different elevations of new and old pavements, different settlement of the old pavements and poor transverse and longitudinal flatness which are commonly seen in four-to-eight changes in highway reconstruction and extension projects are solved. The transverse straight slope and the longitudinal seamless reconstructed and expanded expressway are built in the true sense, the design initial intention of the cross section straight slope is achieved, and the paved road surface is smooth in drainage, comfortable in driving, safe, durable and capable of achieving resource utilization. Efficiency is high and quality is good.

The invention discloses a secondary-bearing viticulture method, including the steps of (1), pruning grapevines in early-mid January in winter; (2), spraying a dormancy breaking agent A when the internal mean daily temperature of a greenhouse reaches 5-10 DEG C; (3), waiting for germinating in the middle ten days of February and blooming in the middle ten days of April; (4), lifting four sides of the greenhouse film and changing into the mode of under-shelter cultivation in the early ten days of May; (5), selecting cluster when first crop of fruit enters the swelling period; (6), secondary pruning; (7), applying organic fertilizer and compound fertilizer for one time before germination of second crop of fruit; (8), waiting for germination of winter bud of second crop of fruit in the last ten days of August; (9), selecting cluster when second crop of fruit enters the swelling period, and performing top application of compound fertilizer for one time. According to the secondary-bearing viticulture method, cultivation of grapevines is improved based on facility, germination, blooming and bearing of grapevines are earlier than usual, secondary germination is achieved after the first crop of fruit is harvest and on the market, so that the cultivation mode of yielding two crops a year is achieved by combining early-maturing promoting and culture delaying according to the post thermal-insulation and culture delaying technology.

The invention provides an anti-seepage drainage construction method for a complex soft rock tunnel. The construction method comprises the following steps: step 1, geological survey; 2, tunnel excavation construction is carried out; 3, monitoring and measurement are conducted, specifically, dynamic monitoring and measurement are conducted on the tunnel surrounding rock, and related data of ground surface settlement, in-tunnel vault settlement, arch foot settlement and periphery convergence are collected; 4, advanced geological forecasting: advanced forecasting is carried out on surrounding rock and stratum conditions in front of and around the tunnel face by adopting an advanced drilling method; 5, well point dewatering is conducted, specifically, well point pipes directly inserted into the water storage layer are buried around the foundation pit, and underground water is continuously pumped out through the well point pipes through water pumping equipment till the underground water level is lowered to the position below the preset pit bottom; 6, advanced pre-grouting construction is conducted, specifically, drilling grouting is conducted on surrounding rock in front of and around the tunnel face, and the surrounding rock is reinforced; 7, construction of a drainage structure, wherein the drainage structure for draining underground water and surrounding rock seepage water is installed behind the tunnel face; and step 8, secondary lining construction.

The invention discloses a gutter inlet structure for building a sponge city and a construction method thereof. The gutter inlet structure comprises a rainwater well, wherein the rainwater well comprises a well body, a well bottom and a wellhead, a drainage pipe is arranged in the well body, a rainwater grate is arranged at the wellhead, the rainwater grate comprises a cover body, a top face and a bottom face, a row of first drainage holes and a row of second drainage holes are respectively formed in the two sides of a transverse plate, a motor is fixed to the well body, an output shaft of the motor is fixedly connected with a first transverse rod, a plurality of first cams are fixed to the first transverse rod, the well body is rotationally provided with a second transverse rod and two third transverse rods, a first gear is fixed to the first transverse rod, a second gear is fixed to the second transverse rod, a third gear is fixed to the third transverse rod, a plurality of second cams are fixed to the second transverse rod, and the first cams and the second cams are driven by the motor to push sundries on the cover body to the outside of the rainwater grate, so that the first drainage holes and the second drainage holes are prevented from being blocked by the sundries, and the drainage of the gutter inlet structure is unblocked.

The present invention relates to a repairing method of soil in kiwi orchards. The repairing method of the soil in the kiwi orchards comprises the following specific steps: S1, layered improvement is conducted: a topsoil block diameter is adjusted to be less than 1 cm and a use amount of a farmyard manure is more than 20 tons / mu; a bottom soil block diameter is adjusted to be less than 10 cm and ause amount of the farmyard manure used is more than 10 tons / mu; S2, field ditches are designed: central ditches and ring ditches are dug, soil on both sides of the center ditches is gathered to form ridges to form multiple ridge belts and field ditches, circuits are arranged in the ring ditches, height of the ridge belts is larger than height of the circuits, height of the circuits is the same asheight of the field ditches, height of the circuits is larger than height of the ring ditches, and height of the ring ditches is the same as height of the central ditches; and S3, rehabilitation yearby year is conducted: the farmyard manure is applied, planting by a green manure is conducted, and earthworms are put every year. The repairing method improves yield and quality of kiwifruits.

The invention provides a slope drainage device with double flanges, and belongs to the technical field of building indoor drainage equipment. The slope drainage device with the double flanges comprises a bottom box, a floor drain hole and a double-flange structure. According to the slope drainage device, the bottom box is a waterproof bottom box which is integrally formed by plastic molding, so that the requirement of a waterproof function is met; the slope drainage device can be customized according to the size and specification of a house type, so that the pluralistic design is satisfied; afirst baffle is arranged around the bottom box, so that water in the bottom box is blocked and is prevented from flowing out; the top end of a second baffle is abutted with a wall panel, so that seamless connection of the bottom box and the wall panel is realized; secondary processing is not needed on site, so that the installation efficiency is high; and water in the bottom box is guided to the floor drain hole by a drainage slope, and the floor drain hole is formed in the lower position of the bottom box, so that water on the slope in the high position can flow into the floor drain hole under the action of gravity, water accumulation is prevented from being formed on the bottom box so as not to damage the bottom box, and efficient drainage can be realized.