76results about How to "Large water capacity" patented technology

A greening system us disclosed for enabling plants / vegetation to grow only with natural rainfall, without any particular irrigation facilities, enabling a full-blown garden to be constructed on building rooftops, minimizing the applicable loads on the building, and free from the risk of leakage. Planting container 1 comprises box 2 with stickers 3 to carry perforated partition panel 4. The lower half of the container is constituted as water storage 5, and drain holes 6 are opened on sides of the container. Soil layer 7 placed on partition panel 4 is formed of light woody soil-based on charcoal 9 and humus timber chips for absorbing moisture transported from the water 8 stored in water storage 5 by evaporation or difference in humidity, to have a large water capacity letting less water evaporate into the air. Charcoal 9 absorbs water from the air inside the lower half of the container to water the plants. Water storage 5 assures an amount of water necessary for plants to grow.

Water-cooling arrangement includes stator cage and cooling water channel. Cooling water channel in stator cage is arranged in axial direction inside stator cage in not helical round about manner. The cooling water channel can be as single circuitous water channel, or a combination formed from multiple circuitous water channels. Each pair of water channel possesses a cooling water outlet and a cooling water inlet. The cooling water outlet and a cooling water inlet can be arranged at axial same side of stator cage, or arranged at different sides. Water outlets and water inlets of multiple water channels can be arranged in same direction or in reversal directions. Circuitous water channels are in reversal directions can reduce temperature gradient at different parts of the stator cage further.

Mode of water-cooling for stator is adopted in the invention. Stator frame is modified to cooling structure of four cooling water channels inside four corners formed by rotund inner wall and quadrate outer wall of stator frame so as to form four cooling water channels arranged along four axial directional straight lines. Ribs are formed at thinnest place between rotund inner wall and quadrate outer wall in order to partition four cooling water channels. Through connection holes, the said four cooling water channels are formed a cooling loop in roundabout mode. Besides the said cooling loop in roundabout mode, cooling water channels are prepared on two end plates. Partial water cooling channel on stator frame are connected to cooling water channels on end plates to form two pieces of branched roundabout cooling water loop so as to cool disclosed traction motor.

The invention provides a water pan and an air conditioner including the water pan. The water pan comprises a shell (10) and a porous material (20) arranged in the shell (10), wherein the shell (10) comprises a side plate (16), a bottom plate (11), and a sunk bottom (12) which is connected with the shell (10) and extends towards the lower side of the shell (10); the lower part of the sunk bottom (12) is provided with a drain hole (15); the drain hole (15) is formed in the side wall and / or bottom wall of the sunk bottom (12); and the porous material (20) covers the bottom plate (11). According to the water pan provided by the invention, the problem of splashing or overflowing of condensed water in the water pan of the air conditioner on the special occasions of vibration and swinging can be solved.

The invention discloses a collection, filtration, purification and storage system for water, which comprises a water collection and filtration system and a water purification and storage system, wherein the water collection and filtration system comprises a collector-shoe gear, a filtration and stream guidance device and a stream guidance pipeline connected with the collector-shoe gear and the filtration and stream guidance device; and the water purification and storage system is communicated with the filtration and stream guidance device through a water transmission pipeline extending from the filtration and stream guidance device to enable water output by the filtration and stream guidance device to be stored by flowing into the water purification and storage system through the water transmission pipeline. The system can be applied to the collection, filtration and storage of runoff rainwater on hillside and road as well as in farm and yard, lake water and river water. The collection, filtration, purification and storage system for the water can carry out multiple prefiltration and predeposition on the water source, remove large floating matters and small solid suspended particulate matters in water flow, and enable the water moving into the water purification and storage system to have better water quality after the pretreatments.

A greening system us disclosed for enabling plants / vegetation to grow only with natural rainfall, without any particular irrigation facilities, enabling a full-blown garden to be constructed on building rooftops, minimizing the applicable loads on the building, and free from the risk of leakage. Planting container 1 comprises box 2 with stickers 3 to carry perforated partition panel 4. The lower half of the container is constituted as water storage 5, and drain holes 6 are opened on sides of the container. Soil layer 7 placed on partition panel 4 is formed of light woody soil-based on charcoal 9 and humus timber chips for absorbing moisture transported from the water 8 stored in water storage 5 by evaporation or difference in humidity, to have a large water capacity letting less water evaporate into the air. Charcoal 9 absorbs water from the air inside the lower half of the container to water the plants. Water storage 5 assures an amount of water necessary for plants to grow.

A rapid composting method of a water plant by utilization of biomass charcoal is characterized by successively comprising the following steps: the first step, weighing raw materials: the raw materials comprises a base composting material and the biomass charcoal, the base composting material comprises a fresh water plant and air-dried straw, the ratio of the fresh water plant to the air-dried straw is configured based on that the range of the dry-basis carbon nitrogen ratio of the base composting material being 22-28, according to the actual water content, natural weight is obtained by conversion, an input amount of the biomass charcoal is 40%-50% of the dry-basis weight of the base composting material, and the water content after mixing of the three raw materials is controlled between 60% and 75%; the second step, evenly mixing the weighted three raw materials to produce a mixed material, and putting the mixed material to a composting place; and the third step, carrying out composting treatment of the mixed material until the mixed material forms a humic substance, namely a organic fertilizer product. Through use of the rapid composting method, a conventional dewatering volume-reduction pretreatment process of the high-water-content fresh water plant is omitted, and two-way synergy of rapid composting and ammonia emission reduction of the fresh water plant can be realized.

The invention discloses a water-permeable water storage carrier and a water collection and purification storage system using the same. The carrier is of a water-permeable structure and is provided with a water storage space, so that water can permeate the water-permeable water storage carrier to enter the water storage space. The system comprises a water storage container with an upper opening and a water-collecting well; the wall of the water storage container is of a waterproof structure; the water-collecting well is positioned in the water storage container, and is provided with a well cover, the well wall is of a water-permeable structure, filler is filled between the water-collecting well and the water storage container, a water-permeable surface layer is laid upon the filler, the filler consists of fine sand and the water-permeable water storage carrier, and the water-permeable water storage carrier is provided with a hollow structure. The rainwater or dirty water collected by the invention is filtered by the water-permeable surface layer and settled and filtered by the fine sand, so that clean water is obtained, moreover, the water is stored in the filler or the water-collecting well, and cannot easily go bad and stink, and in addition, the carrier effectively increases the water storage capacity.

A method and apparatus for reforming the sewer in order to anaerobically treat life sewage and garbage and recover marsh gas features that the sewage is discharged sewag from deposition pool and septic tank via regulating pool to fermenting pool, the garbage is directly fed in fermenting pool, the acidic liquid flows from fermenting pool into pH regulating tank and then in methane generating pool, and the generated marsh gas is stored after washed by lime milk. Its advantages are low cost and high effect.

The invention relates to a multiple variable-flow household water system central air condition. An energy storing water tank forms a closed water system together with the pipelines of the tail end in each chamber and pipelines among the chambers. The water outlet of the energy storing water tank is firstly connected with a constant-voltage frequency converting device and then is respectively connected to the water inlet of the tail end in each chamber through the pipelines; the water outlet pipeline of the water outlet of the tail end in each chamber is provided with an electric valve; the pipelines between the water outlet of the energy storing water tank and the constant-voltage frequency converting device are also connected to a constant-pressure expansion water tank through branch pipelines; the liquid level of the constant-pressure expansion water tank is higher than the highest point of the liquid level in the closed water system; the constant-pressure expansion water tank also takes the effect of making the pressure of the water inlet of the constant-voltage frequency converting device constant while automatically supplementing water for the system; the constant-voltage frequency converting device can be automatically started or stopped according to the working state of an indoor machine unit to achieve the goal of energy saving and consumption reduction, and the frequent starting and stopping phenomena of a heat pump machine unit under the low load condition of the indoor machine unit are also effectively reduced, thereby reducing the operating energy consumption of the heat pump machine unit and prolonging the service life of the machine unit.

Disclosed is a pulse-water-supply external heating type solar engine. A heating chamber is mounted on the center of a revolution paraboloid condenser, and a small-concave-surface reflective mirror capable of reflecting and focusing incident light to the heating chamber again is mounted at the focal position of the revolution paraboloid; and the heating chamber is connected with a power machine through a high-pressure hose, and a plunger water pump for supplying water to the heating chamber in a pulse manner is connected with the heating chamber. The solar engine is easy to manufacture, long in service life, low in cost, high in heat efficiency, clean, environmentally friendly, and easy to apply and popularize.

The solar energy heat pump heating installation includes support, solar energy heater and heat pump unit. The solar energy heater includes at least one solar water heater module, one heat exchanger, one heat dissipater, one circulating water pump, and heat carrying fluid. The solar water heater module, the heat exchanger and the heat dissipater are connected with pipeline to constitute one closed circulating pipeline; and the circulating water pump drives the heat carrying fluid to flow in the circulating pipeline. The solar energy heat pump heating installation includes also constant pressure valve to provide the circulating pipeline with heat carrying fluid. The heat pump unit includes evaporator, compressor, condenser and expansion valve connected successively with pipeline to constitute closed circulating pipeline with work medium inside it. The present invention can heat normally in different weather conditions.

The invention discloses a monitoring device and construction method of underground water supplement by means of urban road rainwater infiltration wells. There are a plurality of rainwater infiltrationwells at intervals at the curbs on both sides of the pavement of an urban road, adjacent rainwater infiltration wells are in communication through branch pipes, the rainwater infiltration wells comprise bases, circular shafts, bearing plates, square shafts and well sieve rings in connection from bottom to top in sequence, well sieves are placed in the well sieve rings, and the bases, the circularshafts, the bearing plates, the square shafts, the well sieve rings and the well sieves are located in the same central lines; the water inlets and water outlets of the square shafts are connected with upstream branch pipes and downstream branch pipes respectively, anti-blocking water infiltration heads are placed on the bearing plates, the top ends of the anti-blocking water infiltration heads are flush with the bottom surfaces of the water inlets of the square shafts, multiple rows of water through holes are formed in the walls of the circular shafts, and water infiltration sensors are placed in the bases. By means of the monitoring device and the construction method, rainwater resources can be effectively utilized, urban underground water is supplemented, urban environment is improved,and the bearing capacity of the urban underground water is improved.

The invention aims to solve the problem that the gradient of existing ecological slope protection is hard to regulate, and discloses an ecological slope protection and trimming mechanism capable of achieving gradient regulation in case of flood. The ecological slope protection and trimming mechanism comprises a guide slot, a first spiral spring, ejector rods, a screw conveyor, a sliding plate, a guide rod, a guide frame, a cover body, a motor, a locating rod, a universal pipe, a handle, a discharging hood, fastening screws, a locating ring, an oblique rod, a support rod, a second spiral spring, a connecting plate, a screw rod, a baseplate, universal wheels, a guide plate, a rotating shaft, a rotating plate and a support plate. According to the ecological slope protection and trimming mechanism, reverse thinking is adopted; through reduction of the gradient of ecological slope protection, on one hand, water level can be reduced, and on the other hand, the volume of a channel is furtherincreased; impact force of water flow on the slope protection is reduced, and meanwhile drilled soil is stacked on the top side of the slope protection; flood prevention is further achieved, and the ecological slope protection and trimming mechanism is rational in design and easy to operate, and meets the requirements of ecological slope protection field.

The invention discloses a water-cooling heat dissipation device which is a hexahedron of an irregular front-rear face structure. The hexahedron is tightly attached to the upper face of a thyristor to be cooled, the thyristor is a semi-conductor device provided with four or more layers of P layers and N layers which are arranged in a staggered mode, and first openings are formed in the regions, relative to the N-type semi-conductor layers serving as cathodes, in the P-type semi-conductor layers making contact with the N-type semi-conductor layers serving as the cathodes. The half-surrounding type water-cooling heat dissipation device comprises a thyristor heat dissipation device and a damping resistance heat dissipation device and a connector (5). The damping resistance heat dissipation device and the thyristor heat dissipation device are integrated in the irregular hexahedron, and the damping resistance heat dissipation device half surrounds the thyristor heat dissipation device. By means of the water-cooling heat dissipation device, the size of a water cooling system is contracted greatly, the structure of a converter valve is simplified, connection openings of the water cooling system are reduced, the water capacity of the water cooling system is increased, and the reliability of the water cooling system is improved.

The invention provides an integrated water-cooled radiator based on damping resistors. The radiator comprises a radiator main body, a thyristor and resistors, wherein the radiator main body comprises an aluminium panel, two radiator cavities, a water inlet and a water outlet, and each radiator cavity is composed of a water channel and a water channel wall; the thyristor is adhered to the surface of the aluminium panel, the water inlet and the water outlet are formed at the bottom of the radiator main body, the two radiator cavities are located inside the aluminium panel; the resistors are arranged at the water channel. According to the integrated water-cooled radiator based on the damping resistors provided by the invention, the heat-radiation functions of the thyristor and the damping resistors are integrated on the water-cooled radiator, so that the integrated water-cooled radiator based on the damping resistors has the characteristics of being small in volume, strong in heat radiation, simple in structure, large in water capacity and strong in voltage endurance capability, and the like.

A large-scale water-fire tube hot water boiler of double-barrel transverse vertical type threaded flue relates to a water-fire tube hot water boiler. The aim of the invention is to settle the problems of ash accumulation, hard ash elimination, and reduced thermal efficiency of boiler in the prior water-fire tube hot water boiler. A burnout chamber, a convection calandria and a vertical threaded flue coal economizer are provided in the boiler body. The convection calandria is communicated with the upper barrel and the lower barrel. A warm water area and a hot warm water area are installed in the upper barrel. A first connecting pipe is communicated with a lower box of water cooled wall of back wall and the lower drum. A second connecting pipe is communicated with a lower drum and a vertical threaded flue coal economizer. A third connecting pipe is communicated with a hot water area and the vertical threaded flue coal economizer. The down pipe of water cooled wall of front wall is communicated with a lower collection box of water cooled wall of front wall and the cold water area. The down pipe of left wall is communicated with a lower collection box of water cooled wall of left wall. The down pipe of right wall is communicated with a lower collection box of water cooled box of water cooled wall of right wall. The large-scale water-fire tube hot water boiler of double-barrel transverse vertical type threaded flue according to the invention adopts the vertical threaded flue coal economizer and has the advantages of no ash accumulation in the threaded flue, easy ash elimination and high thermal efficiency of boiler.

The invention provides a solar water heater with nursing function, belonging to the field of heat exchange equipment, in particular to solar energy equipment, which comprises at least a support, a water tank, a plurality of heat-collecting tubes and a plurality of heat-collection plates. The solar water heater is characterized in that: the water tank and the heat-collection plates are fixed on the support; one end of the heat-collecting tube is opened, while the other is closed; the open end is inserted to the water tank from the bottom of the water tank, and the closed end is supported on a tail box on the bottom of the heat-collection plate; the solar water heater also comprises a nursing device which comprises a water tank of the nursing device and a plurality of water inlet and outlet pipes, the water tank of the nursing device is arranged in the bottom area in the solar water tank and is connected with the water inlet and outlet of the solar water heater; one end of the water inlet and outlet pipe is connected with the water tank of the nursing device, while the other end is inserted into the heat-collecting tube. The solar water heater with nursing function has the advantages of less liability to cause cracking of the heat-collecting tube and generate scale and precipitates in the heat-collecting tube, and ability to increase water capacity of the solar water heater.

The invention relates to the technical field of extractor hoods and discloses a cleaning method of an extractor hood, an extractor hood controller and the extractor hood. The cleaning method of the extractor hood comprises the following steps: when the water volume of a water storage type heater is increased to a preset first volume threshold value, the water storage type heater is controlled to start to preheat water; when the water volume of the water storage type heater is increased to a preset second volume threshold value, an alarm apparatus is controlled to send out an alarm signal; then, the water storage type heater is controlled to heat water, a motor is controlled to rotate at a first rotating speed, water is atomized into water vapor, and the water vapor is sprayed to a wind turbine blade from a steam nozzle; and finally, the water storage type heater is controlled to stop working, and the motor is controlled to rotate at a second rotating speed to enable oil dirt and waterdrops on a wind wheel to be separated, so that cleaning of the oil dirt on the extractor hood is realized through heating of the water storage type heater and spin-drying of the motor, and the oil dirt on the extractor hood is ensured to be effectively removed within short time to further improve the cleaning effect and cleaning efficiency of the extractor hood.

The invention relates to a normal-pressure water heating device using heat energy of flue gas and particularly relates to the normal-pressure water heating device using the heat energy of the flue gas, which utilizes the heat energy of household garbage combustion flue gas. Most small-size garbage combustion devices in a current market are not provided with a high-temperature flue gas residual heat component in a flue gas treatment system; the effect is not very ideal even if the device has the effect, and the actual effect and the application range are limited. The normal-pressure water heating device comprises a device main body, and a water tank main body and a flue gas flowing channel which are arranged in the device main body; the flue gas flowing channel is divided into a plurality of grades of heat exchanging flues and plurality of grades of heat exchanging flue gas tubes; the adjacent heat exchanging flues are communicated by the heat exchanging flue gas tubes. The normal-pressure water heating device using the heat energy of the flue gas, provided by the invention, has the advantages that the cold-heat exchanging efficiency is high, the structure and the operation procedure are simpler, the operation cost is low, the water tank main body is operated at a normal-pressure state all the time, the water capacity is greater, the checking and cleaning are very convenient, the application range is not affected and the garbage is sufficiently combusted.

The invention provides an electric high-pressure fire extinguishing device with a cleaning function, and relates to the technical field of fire-fighting equipment. The device comprises a movable frame, a fire extinguishing part, a cleaning part and a control part, wherein the fire extinguishing part and the cleaning part are both arranged on the movable frame, the fire extinguishing part comprisesa medicament cavity, a water cavity, a mixing cavity and a spray head, and a mixing pump electrically connected with the control part is arranged in the mixing cavity; the cleaning part comprises a rotating mop, a dust collector and a fine nozzle connected with the water cavity, and a rotating wheel is arranged under the movable frame. The electric high-pressure fire extinguishing device with thecleaning function is simple in structure, is convenient to use, can be flexibly moved to a fire extinguishing point, is large in water carrying capacity, long in fire extinguishing agent storage time, effective spraying distance and spraying time and good in fire extinguishing effect, is not influenced by the temperature, and can clean and water daily.

The invention discloses a cylinder sleeve for a medium speed diesel engine. The cylinder sleeve comprises a cylinder sleeve body assembled in an engine body, wherein the bottom of the cylinder sleeve body is matched with the engine body, the top of the cylinder sleeve body is provided with a water passing sleeve with a flange, the outer wall of the bottom of the water passing sleeve is matched with the engine body, a water cavity is formed between the outer wall of the top of the cylinder sleeve body and the inner wall of the water passing sleeve, the flange of the water passing sleeve is provided with a plurality of water outlets communicated with the water cavity, and a cooling water cavity is formed by the outer wall of the middle of the cylinder sleeve body and the inner wall of the engine body and is communicated with the water cavity. The cylinder sleeve for the medium speed diesel engine is simple in structure and reasonable in design, and the cooling water cavity has a bigger water containing space, so that a better cooling effect is achieved.

The invention relates to a making method of composite fire-extinguishing particle material in new fire-extinguishing material domain, which is characterized by the following: adapting the potassium hydroxide and acrylic emulsion as the basic raw material; adding sodium lauryl sulfate, potassium bisulfite, ammonium peroxodisulfate and eight looks acid ammonium into the raw material; making the composite fire-extinguishing particle material by neutralization reaction, initiating crosslinking polymerization, dicing, drying, disintegrating, sifting, modifying property compound, measuring and packing. The composite particle material ejects the gelatin with 1:300 qualities mixing to the ignition area, which reduces the temperature of ignition area to inhibit the smog and reaches the goal of quick fire-extinguishing and flame-proof by forming a heat-proof layer and oxygen-proof gelatination layer.

The invention provides a water pan and an air conditioner including the water pan. The water pan comprises a shell (10) and a porous material (20) arranged in the shell (10), wherein the shell (10) comprises a side plate (16), a bottom plate (11), and a sunk bottom (12) which is connected with the shell (10) and extends towards the lower side of the shell (10); the lower part of the sunk bottom (12) is provided with a drain hole (15); the drain hole (15) is formed in the side wall and / or bottom wall of the sunk bottom (12); and the porous material (20) covers the bottom plate (11). According to the water pan provided by the invention, the problem of splashing or overflowing of condensed water in the water pan of the air conditioner on the special occasions of vibration and swinging can be solved.

The invention provides an organic-inorganic composite agriculture and forestry water-retaining agent and a preparation method thereof, and relates to the field of water-retaining agents. The water-retaining agent is prepared from, by mass, 30-40 parts of straw cellulose, 10-20 parts of modified vermiculite, 5-8 parts of humic acid, 80-100 parts of a potassium hydroxide solution with the mass concentration of 5-10%, 3-6 parts of N,N'-methylenebisacrylamide, 1-2 parts of potassium persulfate, 50-60 parts of a sodium hydroxide solution with the mass concentration of 3-6%, 100-120 parts of a ureasolution with the mass concentration of 1-3%, 60-80 parts of an acrylic acid solution with the neutralization degree of 80%, 5-10 parts of gamma-polyglutamic acid, 20-30 parts of a carbodiimide solution with the mass concentration of 2-5%, 10-12 parts of 1,4-butanediamine, 0.1-1 part of a buffering agent and 60-80 parts of deionized water. The composite agriculture and forestry water-retaining agent has quite high water absorption rate, and can effectively relieve soil hardening besides water retention and fertilizer extraction when used in soil.

The invention discloses a water-cooling heat dissipation device which is a hexahedron of an irregular front-rear face structure. The hexahedron is tightly attached to the upper face of a thyristor to be cooled, the thyristor is a semi-conductor device provided with four or more layers of P layers and N layers which are arranged in a staggered mode, and first openings are formed in the regions, relative to the N-type semi-conductor layers serving as cathodes, in the P-type semi-conductor layers making contact with the N-type semi-conductor layers serving as the cathodes. The half-surrounding type water-cooling heat dissipation device comprises a thyristor heat dissipation device and a damping resistance heat dissipation device and a connector (5). The damping resistance heat dissipation device and the thyristor heat dissipation device are integrated in the irregular hexahedron, and the damping resistance heat dissipation device half surrounds the thyristor heat dissipation device. By means of the water-cooling heat dissipation device, the size of a water cooling system is contracted greatly, the structure of a converter valve is simplified, connection openings of the water cooling system are reduced, the water capacity of the water cooling system is increased, and the reliability of the water cooling system is improved.

A water cooling method and structure for a traction motor. The stator water cooling method is adopted, and the stator base is changed into a four-channel cooling structure with an outer square and an inner circle. The four corners formed by the outer wall form four axially arranged cooling water channels, which are separated from each other by the ribs formed at the thinnest part of the inner ring of the machine base and the outer square shell, and then connected by connecting holes to form a roundabout way. Arranged cooling circuit; the motor is cooled by four cooling water channels arranged in a straight line in the axial direction formed by the inner circle of the motor casing and the outer square outer wall. At the same time, there are cooling water passages on the end covers at both ends. Part of the cooling water passages on the machine base communicate with the water passages on the end covers at both ends, and form two branched circuitous cooling circuits through the annular cooling water passages on the end covers. The cooling of the traction motor is through the circulation of cooling water in the square circuitous water channel and the cooling water in the annular cooling water channel on the end cover to dissipate heat.

A large-scale water-fire tube hot water boiler of double-barrel transverse vertical type threaded flue relates to a water-fire tube hot water boiler. The aim of the invention is to settle the problemsof ash accumulation, hard ash elimination, and reduced thermal efficiency of boiler in the prior water-fire tube hot water boiler. A burnout chamber, a convection calandria and a vertical threaded flue coal economizer are provided in the boiler body. The convection calandria is communicated with the upper barrel and the lower barrel. A warm water area and a hot warm water area are installed in the upper barrel. A first connecting pipe is communicated with a lower box of water cooled wall of back wall and the lower drum. A second connecting pipe is communicated with a lower drum and a verticalthreaded flue coal economizer. A third connecting pipe is communicated with a hot water area and the vertical threaded flue coal economizer. The down pipe of water cooled wall of front wall is communicated with a lower collection box of water cooled wall of front wall and the cold water area. The down pipe of left wall is communicated with a lower collection box of water cooled wall of left wall.The down pipe of right wall is communicated with a lower collection box of water cooled box of water cooled wall of right wall. The large-scale water-fire tube hot water boiler of double-barrel transverse vertical type threaded flue according to the invention adopts the vertical threaded flue coal economizer and has the advantages of no ash accumulation in the threaded flue, easy ash eliminationand high thermal efficiency of boiler.

The invention provides a lasting type water supply system for a flowerpot holder. The lasting type water supply system comprises a water feeding apparatus and a planting device, wherein a water storage bottle serves as a main body of the water feeding apparatus; a gate type valve communicated with the water storage bottle is arranged at the lower part of the water feeding apparatus; the water storage bottle supplies water through the valve; the planting device comprises the flowerpot holder and a flowerpot; a water storage chamber is arranged in the flowerpot holder; a sponge is arranged in the water storage chamber; the water storage chamber receives water from the water storage bottle and then supplies water to the flowerpot through the sponge; the water feeding apparatus and the planting device are connected through a guide pipe and a U-shaped joint. The lasting type water supply system for the flowerpot holder disclosed by the invention is simple in structure, convenient to use, capable of stably and lastingly feeding water to the flowerpot for a long time, suitable for existing common flowerpots, capable of solving the trouble that the potted landscape is always required to be watered well, and very practical.

The invention discloses an efficient outdoor step blasting dust falling method, and belongs to the technical field of blasting dust falling. The method comprises the steps that firstly, a blasting network is arranged, and after the blasting network is arranged, water bags used for dust falling are prepared; secondly, the first water bag is arranged in a blasting area; the second water bag is arranged on a free face of the blasting area, and a round weak face of the second water bag is aligned at the free face; water is injected into the first water bag and the second water bag; and explosivesor detonating cords are put into a cavity in the top of the first water bag and a cavity in the top of the second water bag to serve as blasting energy of the first water bag and the second water bag;finally, blasting is carried out, after blasting, the second water bag close to the free face of the blasting area forms a water curtain on the free face so as to press diffusion powder generated bythe free face after blasting; and after the first water bag is blasted, water is mainly upward, water mist is formed, and the water mist is used for pressing powder diffused in a crack during forwardmoving of a blasting hole and a blasting pile. In the blasting process, the aim of synchronous dust falling is achieved, and the dust falling effect is good.