24results about How to "Reduce drainage" patented technology

The utility model provides a novel three-stand-column variable-cross-section floating type offshore wind power structure foundation, stand column units are arranged on the periphery of the floating type foundation, heaving cabins are arranged at the bottoms of the stand column units, and buoys connected with the heaving cabins are arranged between the adjacent stand column units, so that the floating type foundation forms a regular triangle structure; an upper-section stand column and a lower-section stand column are arranged on the two sides of the stand column unit in the vertical direction respectively, a draught area under the normal operation state of the floating foundation is arranged on the outer surface of the upper-section stand column, and the maximum sectional area of the upper-section stand column in the horizontal direction is larger than that of the lower-section stand column in the horizontal direction. By means of the variable cross-section type stand column units with the transition sections, restoring force generated when the whole structure of the floating type foundation overturns can be increased, meanwhile, the lower section stand column with the size smaller than that of the upper section stand column can effectively save material consumption, reduce displacement and lower wave load, and therefore stability and economical efficiency of the structure are guaranteed.

The invention belongs to the technical field of unmanned ship variable-pitch structures, and particularly relates to a horizontal axis wind turbine variable-pitch mechanism and a regulation and control method.The horizontal axis wind turbine variable-pitch mechanism comprises blades, a propeller hub, a variable-pitch unit, a transmission unit and a control unit.The blade roots of the blades penetrate through the side wall of the propeller hub and are rotationally connected with the propeller hub, and blade root gears are arranged at the ends of the blade roots; the blade root gear is connected with the variable pitch unit, the rear end of the propeller hub is connected with a brake mechanism through a transmission unit, and the control unit is electrically connected with a power supply and is configured to control the brake mechanism and the variable pitch unit. According to the invention, the fan can automatically adjust the angle and the rotating speed of the blades according to the change of the wind speed and the sailing angle, so that the utilization efficiency of wind energy is improved, the hydrodynamic load is reduced, and the stability and the control performance of the unmanned ship are improved. Meanwhile, the fan galloping phenomenon caused by too high sea surface wind speed is considered, a blade protection mechanism is designed, and protection measures are provided for safe operation of the fan.

The invention discloses a recycling method of impurity-removed wastewater in a rare earth smelting separation process, which comprises the following steps: neutralizing the wastewater generated in the rare earth smelting separation process by using calcium oxide, controlling the pH value to be greater than or equal to 7, removing non-rare earth ions in the wastewater, and filtering to obtain calcium-containing filtrate; and extracting the filtrate by using an extracting agent to remove calcium, and recycling the filtrate without calcium to a leaching process in a rare earth smelting separation process. According to the method, iron, zinc and calcium ions influencing rare earth smelting separation in the washing water can be removed, saponification is avoided during calcium ion removal, and the treated wastewater is directly reused in the leaching process of the sulfuric acid rare earth roasted ore.

The invention relates to the technical field of mineral mining, in particular to a multi-drift goaf continuous filling device which comprises a main road pipe. An inlet of the three-way pipe is communicated with the main pipe, and two outlets of the three-way pipe are respectively communicated with the two branch pipes; the control valve is arranged on a pipeline where the two outlets of the three-way pipe are located and used for controlling communication between the inlet of the three-way pipe and the two outlets; the distance between the control valve and the pipeline where the inlet of the three-way pipe is located is not larger than 5 cm. The invention further relates to a using method which comprises the following steps: S1, in a filling roadway in a panel, connecting a filling main pipeline with a branch pipeline of a drift through the multi-drift goaf continuous filling device; and S2, then the control valve, located on the left side, of the multi-drift goaf continuous filling device is opened, the other control valves are all in a closed state, and left drift filling operation is started. According to the scheme, the problem of valve blockage is solved.

This invention discloses a composite seepage control structure and method for non-drainage sections of tunnels with a head of 50m or more, comprising: an external surrounding rock structure, a consolidation grouting ring, a pressure-bearing lining, transverse drainage components, and a longitudinal pipe assembly; a pressure-bearing lining with a thickness of 40cm or more is installed on the inner wall of the tunnel; the external surrounding rock structure is located outside the pressure-bearing lining; and the consolidation grouting ring is installed outside the external surrounding rock structure. By setting different seepage-proof consolidation grouting rings outside the lining according to the magnitude of the external water load, the drainage volume and external water load are reduced, thereby achieving the purpose of reducing the external water load acting on the tunnel lining structure and avoiding water pollution caused by external water seepage.

The utility model belongs to water meter box technical field especially has a kind of water meter box with anti-blocking drain hole, including water meter box, the same main water pipe is fixedly connected on the front and rear side inner wall of water meter box, the side fixed communication of main water pipe has a plurality of branch pipes, water meter body is provided on branch pipe, the bottom fixed communication of one side of water meter box has drain pipe. The utility model structure design is reasonable, by setting up the anti-blocking drainage mechanism of protective cover, filter drum and diversion bucket, the hierarchical blocking of sundries can be realized, the drain hole of protective cover can block big particle sundries such as fallen leaves, gravel, the filter screen of filter drum can filter small particle sundries such as silt, fine chippings, effectively avoid different particle size sundries to block drain pipe, ensure that accumulated water is discharged quickly, by fixed sealing assembly, not only beneficial to disassembly cleaning replacement, improve the stability and sealing property when installing simultaneously, avoid water inlet.

The utility model relates to the technical field of garden equipment, in particular to a drainage channel of a garden road, which comprises a drainage channel assembly arranged on the side face of a road surface body, the drainage channel assembly comprises a main channel assembly, a filter assembly and an extrusion assembly, and the main channel assembly comprises a drainage channel body. Water can flow and be discharged along the bottom of the drainage channel body, solid garbage, fallen leaves and the like can be accumulated in the filtering assembly, the filtering assembly is large in internal size, a large amount of fallen leaf garbage and the like can be stored, and even if the garbage is accumulated, the filtering assembly can be recycled. The sewage can still be discharged from the front filter plate on the side surface of the filter assembly into the drainage channel body to flow out, and can be used for a longer time, so that the time for cleaning and maintaining each time can be prolonged.

This utility model relates to a drainage structure for substation transmission lines, aiming to solve the technical problem that current drainage structures mostly use filter screens to prevent garbage from entering the drainage ditch, which may lead to excessive garbage on the top of the filter screen, resulting in reduced drainage efficiency and requiring manual cleaning. The structure includes: a drainage pipe with a filter screen installed at the top inlet; and a cleaning mechanism including: turbine blades installed inside the drainage pipe, one end of which is fixedly connected to a rotating shaft. This utility model uses water flow to drive the turbine blades to rotate, which in turn drives a drive wheel to rotate synchronously. An outer baffle periodically actuates an elastic plate to generate vibration, which is transmitted to the filter screen surface, causing accumulated leaves, dust, and other impurities to fall off with the water flow, avoiding regular manual cleaning and solving the problem of reduced drainage efficiency caused by excessive garbage in existing filter screens.

The present application relates to large industrial open cycle cooling water system, specifically to steam recovery device, circulating cooling system and circulating cooling method. Wherein the steam recovery device of the present application, including: at least one condenser pipe group, the condenser pipe group has condenser pipe, the surface of the condenser pipe is provided with fixedly connected heat exchange fin;Buffer cold water tank, the buffer cold water tank has water inlet pipe, the buffer cold water tank is communicated with the water inlet end of the condenser pipe by first pipeline;The first pipeline is communicated with first cooling water supply pump;The water inlet pipe has first valve, and the first pipeline has second valve;Raw water pool, the water outlet end of the condenser pipe is communicated with the raw water pool by second pipeline;Rotary centrifugal separation layer, the rotary centrifugal separation layer has at least two cyclones, each the cyclone has flow guide pipe respectively;The rotary centrifugal separation layer is vertically above the condenser pipe group.

The utility model relates to an anti-overflow radial flow sedimentation tank and belongs to the technical field of radial flow sedimentation tanks. Comprising a radial flow sedimentation tank body and a standby overflow pipe, the front side of the radial flow sedimentation tank body is fixedly connected with an overflow water outlet pipe, the front end of the overflow water outlet pipe is connected with a three-way pipe through a bolt flange, the left side of the three-way pipe is connected with a buried pipe through a bolt flange, and the right side of the three-way pipe is connected with the standby overflow pipe through a bolt flange; the front side of the standby overflow pipe is fixedly connected with a flow guide pipe. Through the arrangement of the standby overflow pipe, when the flow is reduced due to scaling in the underground pipe, the standby overflow pipe can still keep the drainage function, so that the overflow condition of the radial flow sedimentation tank body is effectively prevented; through the arrangement of the filter pipe, the collecting cylinder in the filter pipe can intercept large-particle impurities or dirt in the water body, so that the water outlet pipe is prevented from being influenced by a scaling phenomenon after long-time drainage work, and the drainage problem caused by dirt accumulation is reduced.

The utility model relates to the technical field of defrosting of air conditioners, in particular to an air-conditioning system capable of avoiding frosting of an air-cooled heat pump unit under the heating working condition, which comprises an outdoor side component and a user side component, and the outdoor side component comprises an evaporator, a primary condenser and a compressor. The evaporator is communicated with the first-stage condenser and the compressor through the control valve assembly, the user side assembly comprises a second-stage condenser and a heat recovery system, and the heat recovery system comprises a split energy recovery exhaust unit and a circulating pump. Compared with a defrosting mode after frosting of a conventional air-cooled heat pump at present, energy consumption generated by defrosting can be directly saved, and the heating operation energy efficiency of the air-cooled heat pump is greatly improved.

This invention discloses a multifunctional gas storage tank, comprising a tank body, a hollow body, a float, several guide rods, a sleeve, a water outlet pipe, a water outlet, a cylindrical body, a water suction body, a sealing ring, and a baffle. The upper end of the hollow body is connected to the lower end of the tank body via a connecting pipe. A guide rod is provided inside the hollow body, and a slidable float is provided on the guide rod. A sleeve is provided at the lower end of the float, and the lower end of the sleeve is in close contact with the inner side of the lower end of the hollow body. A water outlet pipe is located inside the sleeve at the lower end of the hollow body, and a water outlet is provided on the water outlet pipe inside the hollow body. A cylindrical body is connected to the water outlet pipe at the lower end of the water outlet pipe, and a water suction body is provided inside the cylindrical body. A sealing ring is provided at the upper end of the water suction body for sealing with the cylindrical body. A baffle is provided inside the lower end of the cylindrical body, and the baffle has several through holes. Compared with the prior art, this invention can improve reliability and reduce usage costs.

The invention discloses a novel planting roof anti-blocking downpipe structure which comprises a net cage, a planting net at the bottom of the net cage, a water leakage box, a fixing wall on the side of the water leakage box, a planting frame provided with a suspension ring, the suspension ring and a fixing piece are welded together, the lower portion of the planting frame is connected with a fixing column, the planting frame is provided with a stabilizing piece, and the stabilizing piece is connected with a fixing piece. A water leakage frame is connected below the planting frame, a supporting column is installed below the water leakage frame, the water leakage frame is provided with a water leakage hole, a storage device is installed below the water leakage hole, a net bag is installed in the storage device, a water leakage box is connected with a water flowing pipe in a welded mode, a filtering ball is installed above the water flowing pipe, an inclined pipe is installed below the water flowing pipe, and the inclined pipe is connected with a fixing ring. According to the novel planting roof downpipe structure, materials which are resistant to corrosion and resistant to root attachment are adopted, and the plastic pipeline with a special coating is adopted, so that growth of roots is reduced, blocking is prevented, and drainage smoothness is improved.

The invention discloses a photovoltaic metal junction box, which relates to the photovoltaic field, including an outer shell and a top cover on the top thereof, an opening is provided on the top cover, one end of the outer shell is connected to an electric wire, the inner end of the outer shell is fixed with a female plug electrically connected to the electric wire, the outer shell is provided with a sandwich, the two ends of the outer shell are respectively connected with a water inlet pipe and a water outlet pipe, the water outlet pipe is connected to the sandwich, and the water inlet pipe and the sandwich are connected through a hose. The present invention arranges a set of water cooling structure in the sandwich inside the outer shell, and the water discharge volume of the water cooling structure can adapt to the temperature of the outer shell. When the temperature inside the outer shell is getting higher and higher, the water discharge volume will increase accordingly, and vice versa, the water discharge volume will decrease accordingly. The inner part of the outer shell is cooled by the water cooling structure, and when the fault temperature exceeds the threshold, water cooling alone is not enough at this time. The structure for controlling the water cooling water discharge volume will also link a set of circuit cutting structures, thereby cutting off the circuit to avoid dangerous situations such as fire and leakage.

A drainage device, a toilet and a flushing method for the toilet. The drainage device includes a first drive key, a second drive key, a mounting frame, a drive rod, a first drive assembly, a second drive assembly, a first drainage valve and a second drainage valve. The drive rod is movably mounted on the mounting frame. The first drive key and the second drive key are both movably mounted on the mounting frame and are both matched with the first end of the drive rod. The second end of the drive rod is both matched with the first drive assembly and the second drive assembly. The first drive key is also matched with the first drive assembly, and the second drive key is also matched with the second drive assembly. The drainage device is applied to the toilet, and can meet the requirements of reasonably distributing the water outlet of the jet port and the water outlet of the wash ring flushing hole in one distribution method when flushing the stool, and reasonably distributing the water outlet of the jet port and the water outlet of the wash ring flushing hole in another distribution method when flushing the urine, without increasing the flushing amount, so as to ensure that the urine and stool cavity can be cleaned during both flushing the stool and flushing the urine.

The present invention belongs to the field of slurry pumps, and specifically relates to a high-efficiency and high-output slurry pump, comprising an impeller arranged in a pump body, a rotating shaft connected to a hub of the impeller and used for driving the impeller to rotate, and a stuffing box arranged on the rotating shaft for preventing leakage of the pump body, wherein a feed end face and a feed port located on the front side of the feed end face are arranged on the impeller, a diverter sleeve coaxially arranged with the feed port and a drainage cone located in the diverter sleeve are arranged on the feed end face, the drainage cone protrudes toward the feed port, the fixed end of the diverter sleeve is fixedly connected to the feed end face, the cantilevered length of the cantilevered end is greater than the protruding length of the drainage cone, the inner and outer side walls of the diverter sleeve are provided with a first spiral channel, and a group of diverter channels respectively connected with the first spiral channel are opened on the fixed end of the diverter sleeve, the slurry pump can effectively reduce the impact wear of the slurry on the impeller and improve the output performance of the slurry pump.

The manual-automatic integrated drainer comprises a shell, a cavity is formed in the shell, a floating ball valve assembly is arranged in the cavity, the manual-automatic integrated drainer further comprises a manual drainage valve matched with the floating ball valve assembly, the manual drainage valve comprises an installation base, an abutting portion, a pressing rod and a reset spring, the installation base is connected with the shell in a close-fitting mode, and the pressing rod is connected with the installation base in a close-fitting mode. The pressing rod is movably connected with the mounting seat, the reset spring is arranged between the pressing rod and the mounting seat in an abutting mode, the reset spring enables the pressing rod to have the trend of moving in the direction away from the mounting seat all the time, and when the pressing rod is pressed, the pressing rod acts on the floating ball valve assembly through the abutting portion, so that the exhaust hole is opened. By pressing the pressing rod, the abutting part presses the hand valve linkage arm to move towards the lower left side, the working plate is driven to rotate around the rotating shaft together, the working plate rotates to pull the sealing plug to move rightwards, so that the sealing plug and the valve nozzle are separated from sealing fit, and then the drainage hole is opened for manual drainage operation. It is ensured that manual drainage can be conducted when automatic drainage cannot be achieved.

The present invention discloses an upper drainage submerged membrane device and a flushing control method thereof, comprising a sealed space provided inside the device body, an exhaust hole provided on the top; at least one membrane box fixed in the device body, a membrane assembly provided in the membrane box; a water inlet unit provided below the membrane box; a water production unit provided above the membrane box; an aeration unit provided below the membrane box; a backwash unit; an upper discharge unit provided above the membrane box; and a lower discharge unit provided below the membrane box. The lower water inlet and upper drainage of the present invention can realize intermittent air-water flushing during water production operation, and realize non-stop water flushing and upper drainage, so as to reduce the concentration of suspended matter during operation and reduce the flushing frequency; it can realize simplified flushing and drainage of only upper drainage but not lower drainage or lower drainage but not emptying for several times in the water production stage, and then perform a complete air-water flushing, air-water backwashing upper drainage, lower drainage, and emptying shutdown flushing and drainage, and the flushing and drainage in the water production stage can shorten the time consumed for drainage and intake, and reduce the drainage volume.

An intelligent variable-pitch mechanism of a small offshore wind-driven unmanned ship belongs to the technical field of variable-pitch structures of unmanned ships and comprises a fan body and a control mechanism, the fan body comprises a transmission unit and a variable-pitch unit, and the transmission unit comprises a transmission gearbox, a coupler, a transmission outer shaft, a propeller hub shell and blades. The variable pitch unit comprises a rotating gear, a rack structure and a telescopic mechanism, the telescopic mechanism drives the rack structure to move, the rotating gear rotates to drive the blades to change the angle, the control mechanism comprises a sensor unit and a control module, the sensor unit is in signal connection with the control module through a wire, and the control module is configured to control the telescopic mechanism. According to the invention, the fan can automatically adjust the angle and the rotating speed of the blades according to the change of the wind speed and the sailing angle, so that the utilization efficiency of wind energy is improved. In addition, the wind turbine galloping phenomenon caused by too high sea surface wind speed is considered, and the attack angle of the blade can be adjusted to be 0 degree to protect the blade through the design of the variable-pitch mechanism.

A toilet comprises: a toilet body having a urine and feces chamber, a water chamber, a jet pipe and a wash ring pipe, the jet pipe and the wash ring pipe are independent of each other, the jet pipe connects the urine and feces chamber and the water chamber, and the wash ring pipe connects the urine and feces chamber and the water chamber; a jet drain valve having a large-speed jet drain mechanism and a small-speed jet drain mechanism, which is installed in the water chamber; a wash ring drain valve having a large-speed wash ring drain mechanism and a small-speed wash ring drain mechanism, which is installed in the water chamber; a large-speed drain key, which cooperates with the large-speed jet drain mechanism and the small-speed wash ring drain mechanism, and is used to open the large-speed jet drain mechanism and the small-speed wash ring drain mechanism for flushing, so that the drainage volume of the jet pipe is increased and the drainage volume of the wash ring pipe is reduced; and a small-speed drain key, which cooperates with the large-speed wash ring drain mechanism and the small-speed jet drain mechanism, and is used to open the large-speed wash ring drain mechanism and the small-speed jet drain mechanism for flushing, so that the drainage volume of the wash ring pipe is increased and the drainage volume of the jet pipe is reduced.

The utility model discloses a retaining wall drainage structure and a matching device, which comprises a retaining wall and a drainage pipe embedded in the retaining wall. The inverted filter device is arranged at an inlet of the drainage pipe and has a detachable function, and the clay water-resisting layer, the gravel and the medium-coarse sand are arranged on the rear side of the retaining wall. The inverted filter device is arranged in the drainage pipe, fine materials brought out by water behind the retaining wall can be effectively filtered, and the situation that the fine materials carried by rainwater block the drainage pipe is avoided. And then, a clay water-resisting layer is arranged in the area below a water inlet in the lowermost portion of the drainage pipe, rainwater on the rear portion of the retaining wall is gathered, and drainage of water in the soil body is facilitated. Finally, due to the fact that the inverted filter device has a detachable function, the inverted filter device can be replaced by excavating medium-coarse sand and gravel, and therefore the situation that the drainage effect is weakened due to the fact that the drainage pipe is blocked is effectively avoided; and the medium-coarse sand, the gravel and the inverted filtering device are detachably arranged, so that the later maintenance cost of the retaining wall drainage system can be obviously reduced.

The utility model discloses a novel integrated air-conditioning cabinet which comprises an air-conditioning hanging unit, an air-conditioning external unit and an air-conditioning copper pipe, and further comprises a cabinet with an opening on one side; the partition plate is horizontally arranged in the cabinet and divides the internal space of the cabinet into a hanging machine room and an outer machine room which are not communicated with each other, an air outlet is formed in the side part of the outer machine room, and a through hole is formed in the partition plate; the air conditioner hanging unit is detachably arranged in the hanging unit chamber, and an air outlet of the air conditioner hanging unit faces the opening side of the cabinet; the air conditioner outdoor unit is detachably arranged in the outdoor unit chamber, and an air outlet of the air conditioner outdoor unit faces the air outlet. The air conditioner copper pipe is arranged in the cabinet and penetrates through the through hole, and the two ends of the air conditioner copper pipe are connected with the air conditioner hanging unit and the air conditioner outdoor unit respectively. According to the utility model, the air conditioner copper pipe between the air conditioner hanging unit and the air conditioner outdoor unit penetrates through the through hole and is arranged in the cabinet, and the cabinet can play a role in anti-theft protection on the air conditioner copper pipe.

The utility model discloses a breast cancer postoperative limb braking corsage, which belongs to the technical field of corsage, and has the technical key points that the breast cancer postoperative limb braking corsage comprises a corsage, a shoulder belt is connected onto the corsage, and a detachable inflatable cushion can be additionally arranged on the shoulder of the shoulder belt through an arranged shoulder fixing mechanism. The shoulder joint oversleeves can be detachably installed on the shoulder straps through the detachable oversleeve mechanisms, meanwhile, the appearance attractiveness is improved, braking management can be conducted on the affected limbs through the chest fixing mechanisms, in the actual application process, the affected shoulder joint braking oversleeves are worn firstly, then the affected limb braking oversleeves are connected with the shoulder straps to be fixed, and the shoulder straps are fixed through the chest fixing mechanisms. In the process, the firmness degree can be adjusted through the hook-and-loop fasteners and the tying belts according to the body type and comfort degree of a patient, then the inflatable cushion is inflated, the left rear shoulder part and the right rear shoulder part are fixed, and therefore the drainage amount is reduced, the tube drawing time is shortened, and the advantages that the oversleeves are convenient to disassemble and assemble, complications are reduced, and rehabilitation treatment is convenient are achieved.

This invention discloses a hinged expansion joint between structural units of a tunnel traversing an active fracture and its construction procedure. The hinged expansion joint includes: a pre-reinforced and initial support structure, comprising a curtain grouting layer, a radial grouting layer, and a steel fiber reinforced concrete initial support layer; a W-shaped waterstop embedded in the lining on both sides; a steel pipe polyurethane support structure located inside the W-shaped waterstop; a steel-reinforced foamed concrete sealing structure located inside the steel pipe polyurethane support structure; and a drainable, embedded Ω-shaped waterstop located at the innermost side of the expansion joint. This invention, through multi-layered waterproofing and support synergy, can adapt to large deformations in active fractures, improve the reliability of high-head waterproofing, and achieve proactive control of leakage during operation.