53results about How to "Relieve water pressure" patented technology

The invention discloses a slanting backward type road shoulder wall back drainage system. The slanting backward type road shoulder wall back drainage system comprises a broken stone or cobble invertedfilter layer, a water-permeable material, water-permeable geotechnical cloth, a plurality of water drain pipes and a graded broken stone sub-base layer. The broken stone or cobble inverted filter layer is arranged on the inner side of a retaining wall. The water-permeable material is arranged between the broken stone or cobble inverted filter layer and a backfilling subgrade and is of an invertedtriangle structure. The water-permeable geotechnical cloth is arranged along a backfilling subgrade slope, the bottom of the retaining wall and the inner side wall body of the retaining wall. The water drain pipes are arranged in water drain holes in the retaining wall, one ends of the water drain pipes communicate with the broken stone or cobble inverted filter layer, the other ends of the waterdrain pipes are placed on the outer side of the retaining wall, and the water drain pipes are used for draining water on the inner side of the retaining wall. The graded broken stone sub-base layer is placed under a pavement structure layer and on the water-permeable material and the backfilling subgrade. The invention further provides a construction method of the slanting backward type road shoulder wall back drainage system. Through the slanting backward type road shoulder wall back drainage system and the construction method, the water on the back of the subgrade retaining wall can be drained, and the stability of the subgrade and the road shoulder retaining wall is ensured.

The invention provides a mobile air conditioner. The mobile air conditioner comprises an upper water receiving disc, a middle water receiving disc and a chassis structure, the chassis structure comprises a water absorption area, a water tank area, a water splashing area and a water level control area, and further comprises water retaining ribs used for isolating the water absorption area from thewater tank area and a convergence part which is positioned between the water splashing area and the water tank area and is close to a convergence port of the water splashing area, wherein the water splashing wheel is arranged in the convergence part. According to the mobile air conditioner, the cooperation among the upper water receiving disc, the middle water receiving disc and a chassis is adopted, therefore, water correspondingly in the upper water receiving disc, the middle water receiving disc and the chassis in the air conditioner can be reasonably distributed, the water is preferentially supplied to the water splashing area, moreover, the water in the upper layer and the water in the middle layer can be directly supplied to the water splashing area, the water circulation step is reduced, and the water splashing efficiency is improved.

The invention relates to a retaining wall and bricks thereof. The main body of a brick is a block, the top surface of the block is an ornamental facade with an arc-shaped structure and concave-convex stripes, planting holes are formed in the block, a back edge positioning boss is convexly arranged on a wide side wall surface on one side of the bottom surface of the block, and concave-convex complementary and interlocked structures are arranged on narrow side wall surfaces of two opposite sides of the bottom surface of the block. The bricks are sequentially and transversely laminated upwards side by side to form the retaining wall, one brick is arranged above two side-by-side bricks, a corner formed between the wide side wall surface and the bottom surface of the brick is in contact with the back edge positioning boss of the two side-by-side bricks to form a staggered interlocked structure, and the two side-by-side bricks are self-embedded, interlocked and fixed through the concave-convex complementary and interlocked structures on the block; and geogrids are paved between two adjacent layers of self-embedded and interlocked bricks, and the top of the uppermost layer of self-embedded and interlocked bricks is pressed by C20 concrete. The retaining wall has double advantages of fast construction of a gravity retaining wall and flexible structure of a reinforced soil retaining wall.

The invention discloses a water valve, a refrigerator water dispenser and a refrigerator thereof. The water valve comprises a valve body, a water taking mandrel and a pilot valve, wherein the valve body comprises an inner shell and an outer shell; an inner runner is formed in the inner shell; the water taking mandrel comprises a mandrel body and a mandrel seat; the mandrel body extends into the inner runner and is movably connected with the pilot valve; a sealing piece sleeved on the mandrel body is clamped at the bottom of the pilot valve; a regularly upright conical main sealing surface is formed at the bottom of the sealing piece; and a sealing connection opening matched with the regularly upright conical main sealing surface is arranged on the inner shell and is used for disconnecting the water valve when the mandrel body is pressed and connecting the inner shell and the sealing piece in a sealing manner when the mandrel body is reset. The refrigerator water dispenser comprises the water valve disclosed by the invention. The refrigerator comprises the refrigerator water dispenser disclosed by the invention. The water valve is high in sealing property, and during the long-time use, separation of the mandrel body from the pilot valve is avoided.

The invention relates to a peak regulation control method based on a water use curve, and the method comprises the following steps: obtaining historical water data, and generating a water consumptionmode curve through a water curve model; generating a water tank liquid level target curve through a liquid level curve model based on the water consumption mode curve; adjusting the opening degree ofthe adjusting valve in different time periods by combining the actual liquid level data of the water tank, and adjusting the opening degree of the adjusting valve to continuously approach to the target liquid level according to the check difference between the stage target of the water tank liquid level target curve and the actual liquid level data. The invention further relates to a peak regulation control device based on the water use curve. The regulation and storage capacity of the water tank can be fully utilized, and water for residents is guaranteed.

The invention discloses a civilian water-saving device, which comprises a washbasin, a lower position waste water tank communicated with the washbasin, and a higher position waste water tank. A forced water replenishing device communicated with the lower position waste water tank is arranged on the higher position waste water tank, and an automatic water replenishing device and a water outlet device are also arranged on the higher position waste water tank. The forced water replenishing device comprises a lower position ball float switch installed on the lower position waste water tank and a higher position ball float switch installed on the higher position waste water tank, a communicating water pipe is arranged between the lower position waste water tank and the higher position waste water tank, a water pump is arranged on the communicating water pipe, and the water pump, the lower position ball float switch and the higher position ball float switch are connected in series with a power supply through a supply line. The device has the advantages of simple structure and convenient installation and operation, and can enable the waste water of the washbasin to be utilized again, to flush a toilet or a mop, thereby saving the water resource and relieving the water supplying pressure.

The invention discloses an anti-blocking device for a river channel pipeline, and relates to the technical field of pipeline equipment. The device mainly aims to solve the problem that an existing river channel pipeline is prone to blocking when being drained. The anti-blocking device for the river pipeline comprises an anti-blocking pipe and a water pipe, a motor is fixedly arranged at the left end of the upper side of the anti-blocking pipe, an output end of the motor is fixedly connected with a rotating shaft, and a stirring rotary cutter is fixedly arranged on the shaft wall, located inside the anti-blocking pipe, of the rotating shaft; the lower side of the anti-blocking pipe is fixedly provided with a connecting pipe, and the lower end of the connecting pipe is fixedly connected witha sewage collecting pipe; first fixed blocks are respectively and fixedly arranged on the outer sides of two sealing doors, and second connecting blocks are respectively and fixedly arranged on the inner walls of the left side and the right side of the connecting pipe; springs are fixedly connected between the corresponding first fixed blocks and the corresponding second connecting blocks; and anair cylinder is fixedly installed on the bottom surface of the interior of the sewage collecting pipe, a movable rod is fixedly connected to a movable end of the air cylinder, and a first hook is fixedly installed at the upper end of the movable rod.

The invention discloses a reinforced concrete pipe culvert dredging method. The method comprises the following steps of S1, sealing off the upstream end of a to-be-dredged pipe culvert, and guiding upstream flowing water into the downstream of the to-be-dredged pipe culvert through a temporary pipeline; S2, adding one or more of the following materials into the to-be-dredged pipe culvert: a sludge curing agent, sandy soil and soil; S3, uniformly stirring and mixing the materials added in the step S2 with the sludge by adopting a stirring device; and S4, excavating the mixed sludge stirred in the step S3 by adopting an excavator, and pouring the excavated sludge into a loading box of a sludge loading vehicle. The upstream of the to-be-dredged pipe culvert is sealed off, so that the upstream flowing water is prevented from entering the to-be-dredged pipe culvert, and the adverse effect of the flowing water on subsequent sludge fixation can be effectively prevented; and meanwhile, the upstream flowing water is introduced into the downstream of the to-be-dredged pipe culvert through the pipeline, the upstream water accumulation pressure can be effectively relieved, and normal upstream flowing water is guaranteed.

The invention discloses a rainwater collecting and utilizing device for high-rise buildings. The device includes a device body, water collecting holes are formed in the periphery of the top part of the device body, water conveying pipes are connected with the bottoms of the water collecting holes, a main water pipe is arranged at one ends of the water conveying pipes, the main water pipe is made of PVC material, the water conveying pipes are connected with the main water pipe closely, a water storage box is arranged at the bottom of the main water pipe, a large hole filter net is arranged on one side of the water storage box, a small hole filter net is arranged on the side face of the large hole filter net, the small hole filter net is movably connected with the water storage box, a firstfilter box is formed by the large hole filter net and the small hole filter net, a copper oxide adsorption layer is arranged on the side face of the small hole filter net, a second filter box is formed by the small hole filter net and the copper oxide adsorption layer, a replaceable design is adopted by the copper oxide adsorption layer, and an activated carbon adsorption layer is arranged on theside face of the copper oxide adsorption layer. The rainwater collecting and utilizing device is used for the high-rise buildings, the device is convenient to use, high in utilization rate, and good in water quality, and the water supply pressure of high-rise buildings is effectively alleviated.

The invention relates to the technical field of natural gas pressure regulation, in particular to a natural gas residual pressure cold energy utilization system. A first pressure regulating device anda first seawater desalting device are involved in the application, wherein the first pressure regulating device comprises a first pressure stabilizing valve, a first precooler, a temperature regulator, a second pressure stabilizing valve, a first expander, a first generator and a first heat exchanger; and the first seawater desalting device comprises a filter, a first crystallizer and a first icestorage device. According to the natural gas residual pressure cold energy utilization system, the residual pressure released in the natural gas pressure regulating process can be utilized for generating electricity, and the released cold energy can carry out seawater desalination.

The invention provides a mobile air conditioner, comprising a middle water pan and a chassis structure. The chassis structure comprises a water absorption zone, a water tank zone, a water fetching zone, a water level control zone, and also comprises a water retaining rib for isolating the water absorption zone from the water tank zone, and a convergence portion, arranged between the water fetchingzone and the water tank zone and being close to a convergence port of the water fetching zone. A water fetching wheel is disposed on the convergence portion. Cooperation of the middle water pan and the chassis can improve the water fetching efficiency of the water fetching wheel, and a water guiding path of the water fetching zone is reasonably planned.

The invention discloses a double-inlet and double-outlet plate heat exchanger and a seawater desalting device. The double-inlet and double-outlet plate heat exchanger comprises a front end plate, a heat dissipating net, a brazing flux layer, a back end plate, a first heat exchange plate, a flow control valve, a temperature sensor and a third water inlet; the front end plate is provided with a first water inlet; the flow control valve is arranged in the first water inlet; a second water inlet is formed beside the first water inlet; the third water inlet is formed beside the second water inlet;and fastening bolts are arranged on two sides of the third water inlet. The double-inlet and double-outlet plate heat exchanger has the following beneficial effects: the original heat exchange effectcan be improved; the seawater flow is increased; the seawater flowing speed is lowered; the pipe scouring is reduced; the equipment service life is prolonged; seawater can be fed from double sides ofthe front and back ends, so that the joint flowing speed of the plate heat exchanger of a seawater system is reduced, and the heat exchange effect is improved; as one more joint is provided, the totalseawater flow is increased under the same pressure; and through double-inlet and double-outlet, the pipe circulating capacity is improved, the joint flowing speed is reduced, and the wear is reduced.

The invention relates to the field of power system optimization, and particularly discloses a power system power generation structure optimization and task allocation method and system. The method comprises the following steps: analyzing related virtual water consumption and carbon emission in a power generation process by using a life cycle evaluation method; obtaining related virtual water coefficients and carbon emission coefficients of different power generation types; calculating a specific water pressure index value of each province, and dividing water crisis levels of each province; under existing conditions, through adjustment and allocation of a power generation structure and a power generation task, relieving regional water pressure to the maximum extent from a power system, andreducing carbon emission related to power generation; converting the target into a mathematical expression, and constructing a multi-target optimization model; and obtaining the optimized power generation capacity of different power generation forms of each province, and the corresponding virtual water consumption and carbon emission. According to the method, the actual installed capacity, the number of hours used by each power generation device and the power transmission level are considered, and power production and planning are more environmentally friendly and optimized under the existingconditions.

The invention discloses a polyethylene spiral corrugated pipe reinforced by a steel strip. The polyethylene spiral corrugated pipe comprises a pipeline body. The pipeline body comprises two circular plates and a straight plate, the two circular plates are arranged on two sides of the straight plate, a sound absorption reinforcement layer is arranged between the two circular plates, stretch-resistant reinforcement layers are arranged on the outer wall of the pipeline body, a sealing layer is arranged on the outer walls of the stretch-resistant reinforcement layers and the sound absorption reinforcement layer, reinforcement filled layers are arranged between the sealing layer and the stretch-resistant reinforcement layers, and the steel strip is arranged outside the sealing layer. The polyethylene spiral corrugated pipe has the advantages that the single pipeline body is processed to obtain two pipelines, the two pipelines are parallel to each other, accordingly, the problem of easinessin rolling and loosening due to a single pipeline can be solved, water can be distributed, and single-road drainage or water supply pressures can be relieved; one of the pipelines still can be used even when the other pipeline is blocked, accordingly, the time can be gained for maintenance and pollution discharge, the integral pipelines are high in strength and can resist high and low temperatures, and noise can be reduced.

The invention relates to the technical field of reverse osmosis, and discloses a reverse osmosis membrane filter element of a water purifier. The reverse osmosis membrane filter element comprises a shell, a filtering assembly, a left cover body and a right cover body; the left cover body is fixedly connected to the left end of the shell, the right cover body is fixedly connected to the right end of the shell, a filtering assembly is located in the shell, the filtering assembly comprises a central pipe and a reverse osmosis membrane, and the central pipe is of a hollow tubular structure; the reverse osmosis membrane is wound on the outer wall of the central pipe, a stock solution water inlet is formed in the left cover body, a concentrated solution water outlet is formed in the right coverbody, the left end of the central pipe is sealed, and the right end of the central pipe penetrates through the right cover body and extends to the outside. The reverse osmosis filter element of the water purifier can adapt to operation under high water pressure for a long time, so that the service life of the filter element is prolonged.

The invention relates to the technical field of urban governance, and discloses municipal ground cooling, maintaining and watering equipment which comprises a water spraying pipe, an extrusion toothed bar is arranged in the water spraying pipe, a screw rod is rotatably connected to the right side of the extrusion toothed bar, a rotating wheel is fixedly connected to the right side of the screw rod, and a cutting rod is arranged on the side face of the rotating wheel in a penetrating mode. A water spraying plate is arranged on the right side of the rotating wheel, the side face of a screw rod is in meshed connection with a meshing pipe, the upper portion of a bearing wheel is rotationally connected with a water retaining wheel through a belt, an expansion plate is fixedly connected to the bottom of a clamping rod, a limiting rod is arranged on the side face of the clamping rod, and a transition wheel is in meshed connection with the side face of the limiting rod. According to the municipal ground cooling, maintaining and watering equipment, through cooperative use of an extrusion toothed bar and a screw rod, the effect that when river and lake water is used as a water resource, water plants are prevented from blocking a water spraying opening, and the water spraying equipment is prevented from being damaged is achieved.