58results about How to "Guaranteed water storage" patented technology

The present invention provides a domestic sewage treating system having lower concentration combined with landscape, mainly including a primary filtering device, an inclined clarifier and a primary aerobic aeration tank, the back of the primary aerobic aeration tank is connected to a community wetland biological landscape facility, the community wetland biological landscape has an aeration plant. Since the invention has a reasonable wholly treatment scheme, most particulate matter is removed by primary filtering and inclined sedimentation, the most important part for pollution is eliminated, then not only eliminates residual BOD and COD in the polluted water via primary aerobic aeration tank, but also effectively enhances oxvgen content of the sewage in wetland biological landscape, beneficial to further aerobic treat in the wetland biological landscape, thus the purification efficiency is enhanced, and treatment efficiency s also enhanced, draining water is used as water for maintenance landscape via treatment, realizes water recycling, and also ensures water retention capacity of the wetland biological landscape, reduces maintenance cost, in addition, investment and floor space are saved because the increased equipment has a lower purifying degree.

The invention discloses a lifting gate for water retaining during rising of the water level in a reservoir. The lifting gate comprises a reservoir base; a main power pump is fixedly arranged in the reservoir base; the main power pump is in power connection with a power rod; a lifting gate body is fixedly arranged on the upper side of the power rod; a gate cavity is formed in the reservoir base; the lifting gate body slides in the gate cavity; a gate sealing plate is fixedly arranged on the upper side face of the reservoir base; the lifting gate body slides in the gate sealing plate; a lifting cavity is formed in the left side of the lifting gate body; a water inlet groove is formed in the right side of the lifting gate body; and a starting device for starting the lifting gate is arranged in the water inlet groove. According to the lifting gate, ascending of a baffle can be automatically realized according to the water level in the reservoir, so that water overflow is prevented, and automatic drainage can be achieved when the water level exceeds the height of the reservoir; and lifting water retaining can be achieved again in the lifting process of an existing gate, so that a water source is further stored, and the water storage capacity and the reservoir safety of the reservoir are guaranteed.

The invention discloses a method for water-saving topdressing of winter wheat in a drought region by foliar fertilization replacing root fertilization. The method is characterized in that in the whole winter wheat growth cycle, urea is applied according to a ratio of 30-37.5kg / 667m<2>, a use ratio of a base fertilizer is 80% and a use ratio of the fertilizer for foliar fertilization replacing root fertilization is 20%; and the method for topdressing by foliar fertilization replacing root fertilization comprises the following steps of applying the base fertilizer to a winter wheat field according to a ratio of 24-30.5kg / 667m<2> by one step in a period from October 2 to 7 every year, and carrying out urea topdressing by foliar fertilization replacing root fertilization according to a ratio of 6-7.5kg / 667m<2> respectively in green-turning, jointing and booting three stages, wherein in each process, urea is applied according to a ratio of 2-2.5kg / 667m<2>, a urea solution is used according to a ratio of 50kg / 667m<2>, and after four o'clock in the afternoon, the fertilizer solution is sprayed on leaf surfaces by a mist sprayer so that foliar fertilization replacing root fertilization is realized. The method for water-saving topdressing by foliar fertilization replacing root fertilization realizes normal topdressing of winter wheat in drought, saves water, labor and fertilizer, and realizes fertilizer direct absorption by leaves thereby improving a fertilizer utilization rate and a fertilizer action rate.

The invention discloses a waste tire breaker convenient to clean. The waste tire breaker comprises a box body, a breaking roller arranged in the box body and a sieve plate arranged below the breakingroller; a feed inlet is formed in the top of the box body; a feed pipe matched with the feed inlet is arranged at the top of the box body; a material receiving plate penetrates through the box body and arranged below the sieve plate; a spraying device is arranged in the box body and arranged below the sieve plate; a water reservoir is arranged at the bottom of the box body and matched with the spraying device; and a cleaning assembly is arranged in the water reservoir. After being sprayed on the sieve plate, a water flow sprayed by the spraying device falls back into the water reservoir underthe action of gravity, and brings dust and other impurities on the sieve plate into the water reservoir together, and sludge at the bottom of the water reservoir is scraped off under the action of thecleaning assembly, so that the bottom of the water reservoir is prevented from being lifted by the sludge, the water storage capacity of the water reservoir is maintained, and the influence of the sludge on the spraying device is avoided.

The invention discloses a combined water supply method for secondary water supply high-level water tanks and low-level water tanks. The combined water supply method comprises the steps: 1, calculating the theoretical remaining water amount of each high-level water tank at the starting moment of different time periods of one day of a workday or a rest day; 2, calculating the theoretical inflow water quantity of each high-level water tank in different time periods of the workday or the rest day at the starting time of different time periods of the workday or the rest day, and controlling water supply to each high-level water tank according to the theoretical inflow water quantity; 3, calculating the outflow water amount of the low-level water tank and the theoretical remaining water amount of the low-level water tank at the starting moment of different time periods of one day of a workday or a rest day; and 4, calculating the theoretical inflow water quantity of the low-level water tank in different time periods of the workday or the rest day at the starting time of different time periods of the workday or the rest day, and controlling water supply to the low-level water tank according to the theoretical inflow water quantity. The risk that microbial indexes exceed the standard due to the fact that tap water stays in the water tank for a long time can be effectively reduced.

The invention discloses a tunnel fire-fighting system with valley intermountain water being a water source. The tunnel fire-fighting system comprises a pressure sensor, a wireless alarm device, a drainage ditch, an overflow dam, a sand and gravel trap, a low-level water pool, a pump room, a high-level water pool and a tunnel fire hydrant. The overflow dam, the sand and gravel trap, the low-level water pool, the pump room, the high-level water pool and the tunnel fire hydrant are built nearby a tunnel. Through using the intermountain water as the water source, it can be ensured that stored water in a reservoir is sufficient, and the cost is lowered; the overflow dam is arranged inside the drainage ditch for storing water, so that the intermountain water is conveniently led into the sand and gravel trap. Through arranging the low-level water pool, the pump room and the high-level water pool, water pressure can be automatically provided for the fire hydrant of the tunnel. The pressure sensor is arranged for detecting the amount of sand and gravel in the sand and gravel trap. When the amount of the sand and gravel is excessively large, a wireless alarm signal is transmitted to a control center of the tunnel fire-fighting system so as to remind workers of clearing away the sand and gravel in the sand and gravel trap. In this way, it is avoided that because the amount of the sand and gravel in the sand and gravel trap is excessively large, a pipeline communicated with the low-level water pool is blocked, the low-level water pool can not store water, and no water can be provided for tunnel fire fighting.

The invention discloses an ecological earth-retaining wall system. The ecological earth-retaining wall system comprises a blocking wall and a blocking wall; the blocking wall comprises multiple ecological bag layers which are stacked by layers, each ecological bag layer comprises multiple ecological bags which are linearly arranged, each ecological bag layer is provided with a grid layer, and multiple grid layers are laid on the multiple ecological bag layers respectively to shield the blocking wall by layers; the block wall comprises a first block, a second block and at least one third block layer, wherein the first block and the second block are located at the left end and the right end respectively, and the third block layers are located in the middle and stacked by layers; the interior of each third block is hollow and filled with ecological matrix. According to the ecological earth-retaining wall system, the blocking wall and the block wall are both erected, the system is firmer and more stable, prevention of displacement, deformation and disengagement of an earth-retaining wall is facilitated, the system adapts to the differential settlement action, and a green-clad ecological landscape can be presented for a road slope through greening of shrubs and arbors.

The invention relates to a rainwater garden flood prevention device comprising a planting layer, a transition layer and a gravel layer sequentially from top to bottom, and a rainwater circulation device is arranged in the planting layer. The planting layer is formed by laying denitrification filter material. A filter layer is formed by laying coarse sand. The gravel layer is formed by laying gravel and pebbles. An aquifer is arranged under the gravel layer and comprises an upper concrete layer, a lower concrete layer and concrete columns arranged between the upper concrete layer and the lowerconcrete layer. An interlayer is poured between the upper concrete layer and the lower concrete layer. A reservoir is formed between the upper concrete layer and the interlayer. Multiple rows of through holes are formed in the upper portion of the upper concrete layer. A plurality of rainwater wells are evenly formed in the planting layer. The multiple rows of through holes are formed in the upperportion of the upper concrete layer, and vertically arranged water passing pipes are arranged in each row of through holes. The rainwater circulation device is arranged on the upper portion of a sludge storage pool and comprises a water return pipe, a water return pump and a water return pipe network. The rainwater garden flood prevention device has the effect that flood is prevented in a rainwater garden.

The invention discloses sewage treatment equipment which is box-type equipment; an air floatation box (1), a volcanic rock filler box (2), a biological filter material filler box (3), an anthracite filler box (4) and a clear water box (5) are arranged in a box body in the water flow direction, and a water inlet (6) is formed in one side of the air floatation box (1) and connected with a water inlet pipe; a water outlet (7) is arranged on the bottom, on the same side of the water inlet, of the clear water box (5), and a dissolved air pump (8) is arranged on one side of the air floatation box (1); a bubble dispersing disc and the clear water box (5) are respectively connected to the bottom of the air floatation box (1); a backwashing water inlet area (9) is arranged on one side, opposite tothe water inlet (6), of the box body; and a backwashing water inlet pipe (10) is arranged at the bottom of the backwashing water inlet area (9). The equipment disclosed by the invention can be mountedon a bank close to a sewage outlet, treats domestic and industrial sewage discharged from a sewage outlet by utilizing the combination of air floatation and multiple filtering fillers, has the effects of removing suspended matters, degrading ammonia nitrogen, phosphorus and organic matters and the like, improves the water quality and then discharges the sewage into a river channel.

The invention belongs to the technical field of sewage reutilization, and particularly relates to a purifying power generation system of floor sewage. The purifying power generation system comprises a water diversion header pipe, wherein the water diversion header pipe is connected with two water diversion pipe branches, the lower ends of the water diversion pipe branches are connected with vertical flow guide pipes, conical decontamination bodies filled with active carbon are positioned below the vertical flow guide pipes, flocculation basins are positioned below the conical decontamination bodies, a radical sedimentation basin is positioned below the flocculation basins, the basin wall at the upper part of the radical sedimentation basin is a water-permeable wall, a water collecting tank is positioned below the radical sedimentation basin, an infrared valve is positioned at the bottom of the water collecting tank, and the infrared valve is connected with a water turbine through a vertically downward power generation pipeline; the water-permeable wall is provided with a hole, and the hole is internally provided with a high-molecular filter core. According to the purifying power generation system, when the water collecting tank is full filled with water, the infrared valve is opened, reclaimed water inside the water collecting tank enters the water turbine through the power generation pipeline for power generation; when the water inside the water collecting tank is wholly discharged, the infrared valve is closed, and water is collected again. The purifying power generation system disclosed by the invention can carry out power generation by sufficiently utilizing domestic sewage generated by high-rise residents, not only can thoroughly purify sewage, but also can increase the power generation efficiency.

The invention discloses a siltation-free full-storage-capacity water sump, which solves the problem of difficulty in treating the sludge of an existing water sump body. The siltation-free full-storage-capacity water sump is characterized in that a pump nest is arranged on the left end of the water sump body, a curve sludge fishing machine, a sludge storage tank and a bridge type sludge suction system are arranged in the middle, the right end is connected with a hydraulic power station, a sludge classifying screen, a filter press, a conveying belt and an outward transport vehicle in sequence on the inlet slope section of the water sump, the curve sludge fishing machine is connected with the bridge type sludge suction system, and the bridge type sludge suction system walks on the sludge storage tank. According to the siltation-free full-storage-capacity water sump, a siltation stopping and dredging system composed of the curve sludge fishing machine and the bridge type sludge suction system is additionally arranged on a common water sump, a sludge fishing scraper can be dragged to do a curve motion at the bottom of the arc-shaped water sump in water by the curve sludge fishing machine, sludge in the long and narrow and bent water sump can be fished in time, siltation and sediment are prevented from being formed at the bottom of the water sump, and the capacity of the sump is guaranteed; the bridge type sludge suction system is used for cleaning and transporting the sludge conveyed into the sludge storage tank by the sludge fishing machine outwards, so that automatic treatment is facilitated; and the high-intensity labor of regular dredging of personnel is avoided, and serious potential safety hazards such as well flooding caused by the increase of gushing water are eliminated.

The invention discloses a method for calculating the theoretical water inflow of a secondary water supply tank. The average outflow and maximum outflow of water in different time periods on working days or rest days; 3. Calculate the theoretical water retention of the water tank at the beginning of different time periods in a working day or rest day; 4. On working days or rest days At the beginning of each time period of a day, calculate the theoretical water inflow of the water tank in different time periods of the day on working days or rest days based on the theoretical water retention, real-time water retention and the maximum water storage capacity of the water tank. The invention can accurately control the residence time of the tap water in the water tank under the premise of meeting the requirement of water use, and effectively reduce the risk of exceeding the standard of microbial indicators caused by the excessive residence time of the tap water in the water tank.

A building dust collection device for building construction, including an exhaust fan, a ventilation hopper, a hose, an air outlet pipe, a wave pusher, a water tank, a collection box, a partition, a filter screen, a water pump, a box body and a control panel; the exhaust fan is set On the top of the box, there is an air inlet channel connected to the exhaust fan on the box body. The air inlet channel, ventilation hopper, hose and air outlet pipe are connected in sequence. The air outlet pipe faces the inside of the water tank. There is a drive mechanism for driving the air outlet pipe to vibrate up and down and driving the wave pusher to reciprocate laterally. The water tank is set on the top of the collection box, the collection box is set inside the box body, the partition is set on the collection box, and the filter screen is set on the partition. And on the collection box, and the filter screen is located under the horizontal side of the water tank, the water pump is arranged on the box body, the pumping end of the water pump is connected with the collection box, and the water discharge end of the water pump is located above the water tank. The invention can effectively absorb the dust, filter the generated dirt, and prolong the usable time of the device.

The invention relates to a cement-based material underwater grouting or mud-jack rock block foundation construction method and belongs to hydraulic cement-based material underwater foundation structure construction methods. A forming gabion is used for forming or the excavation boundary of a foundation serves as the outline, chicken girt concrete with the good fluidity and the high sand ratio is poured into a paving rock block stacked body or gaps of the paving rock block stacked body is filled with the chicken girt concrete by means of the self-leveling performance of the chicken girt concrete underwater, and thus underwater cement-based material grouting rock block or mud-jack rock block structure construction is achieved. The cement-based material underwater grouting or mud-jack rock block foundation construction method has the advantages that when underwater grouting or mud-jack rock block foundation construction is conducted and the water depth is smaller than one meter, construction can be directly carried out without draining water, and thus the construction progress can be greatly accelerated and the construction cost is reduced; when the method is used for reservoir risking obviation and reinforcement construction, the water drainage amount can be greatly reduced, and the construction can be completed on the premise that the effect that water is stored as much as possible is effectively ensured.

The invention discloses an integrated steam generating device and an extractor hood. The integrated steam generating device comprises a reservoir, a heating body, a temperature protection device and a protection shell. The reservoir comprises a lower shell body and an upper shell body mounted on the upper portion of the lower shell body. A liquid injection opening and a steam outlet are formed in the upper shell body, and a sealing cover body is arranged at the position of the liquid injection opening. The heating body is attached to the outer wall of the lower shell body. The temperature protection device comprises a temperature control switch electrically connected with the heating body and a temperature sensor used for detecting the temperature in the reservoir, and the temperature sensor is electrically connected with the temperature control switch. A connector is mounted on the protection shell, a first airflow passageway is formed in the connector, and the connector communicates with the steam outlet through a connecting pipe. The integrated steam generating device and the extractor hood have the beneficial effects that a water cup and a water pump do not need to be arranged, thus, integrated design is achieved, the structure is simplified, mounting is facilitated, dirt in the reservoir is conveniently cleaned away, the heating efficiency is high, and temperature rise is easy to control.

The invention discloses a water intake device for a river bed of a power plant, which includes a water inlet, a storage tank and a water intake pump room, the storage tank is arranged between the water inlet and the water intake pump room, and the water inlet and the water intake pump room The adjustment and storage tank is connected, and a grit settling area is provided near the water inlet in the adjustment and storage tank, and the grit settling area is in communication with the adjustment and storage tank. The river bed water intake device of the power plant is provided with a storage tank between the water inlet and the water intake pump room, and the water flowing in from the water inlet will first enter the storage tank, and the water storage capacity of the storage tank is guaranteed during application to meet the needs of the power plant. Long-term continuous water supply safety requirements; and by setting up a sand settling area, the raw water taken from the water inlet can be pre-sedimented at the first time, which greatly improves the quality of the raw water entering the storage tank and the subsequent water intake pump room during the flood period. Reduce the difficulty of overall cleaning and maintenance of the water intake device. During maintenance, it is only necessary to focus on cleaning the sand settling area.

The invention provides a system for controlling silt deposition in a river channel. The system comprises an acceleration section and a deposition section which are located in the river channel, wherein a river channel width D1 of the acceleration section is smaller than a river channel width D2 of the deposition section; a deposition tank is arranged in the deposition section; a slit collecting and dredging device is arranged in the deposition tank. The invention also provides a method for controlling silt deposition in the river channel. The system and the method follow the natural condition and achieve directional orderly flowing of water; the advantage of the tide power is fully utilized; the hydraulic condition of the existing river channel is changed by arranging landscape ecological partition walls under the condition that the scale and the using function of the river channel are not changed; the water can directionally, rapidly, slowly and orderly flow, so that the silt deposition in the river channel is controlled, the water resource is scientifically utilized, and the water environment is completely improved.

The invention provides a multi-cavity sectional type descending gas extracting, drilling and water draining device and method and relates to the technical field of gas extraction. The multi-cavity sectional type descending gas extracting, drilling and water draining device comprises a plurality of sectional type chambers, a gas filling pipe, a water guiding pipe and a float valve; the sectional type chambers comprise connecting pipes and sectional type partition boards and are sequentially connected; the water guiding pipe communicates adjacent sectional type chambers; the gas filling pipe communicates with a hole bottom sectional type chamber; the float valve and a filter net are arranged in the hole bottom sectional type chamber; when drilling and water drainage are carried out on gas, the device is put in a drilled hole; the hole bottom sectional type chamber is filled with water through the gas filling pipe to open the float valve; the accumulated water in the drilled hole enters the hole bottom sectional type chamber and an upper sectional type chamber through the filter net and the float valve; the hole bottom sectional type chamber is filled with gas through the gas fillingpipe to close the float valve; and gas is continuously filled, water in the sectional type chamber is drained upwards along the water guiding pipe section by section, and the operation is repeatedly carried out after the water is drained. The device and the method solve the water accumulation technical problem of extraction and drilling of descending gas and also have the advantage of being simpleand convenient in operation.