280results about How to "No water leakage" patented technology

The invention provides a heat dissipation performance test system. A power supply unit is in circuit connected with a heating device to form a loop, the heating device is arranged on the tested water-cooling heat sink, a water supply unit is in waterway connection with the tested water-cooling heat sink to form another loop, and a control unit controls switches of the power supply unit and the water supply unit respectively through an industrial personal computer. In the waterway loop of the water supply unit and the tested water-cooling heat sink, a pipeline of a water inlet end of the tested water-cooling heat sink is provided with a flow controller, a pressure sensor and a temperature sensor. A pipeline of a water outlet end of the tested water-cooling heat sink is provided with the temperature sensors. The water inlet end and the water outlet end of the tested water-cooling heat sink are in parallel connection with a bypass which is provided with a differential pressure sensor. Compared with the prior art, the heat dissipation performance test system and method are capable of rapidly and accurately measuring heat dissipation performance of the tested water-cooling heat sink.

The invention relates to a semi-cemented artificial rock core model. The semi-cemented artificial rock core model is formed by a transparent organic glass tube, a quartz sand filling area at the middle portion, and sand grain cementing areas at two ends. A filling device of the semi-cemented artificial rock core model comprises a manual hydraulic pressure pump, a pressure release valve, a pressure meter, a fixed support, a solid threaded iron rod and a middle container with a stopper and an open end. The invention further provides a filling method of the semi-cemented artificial rock core model. The device and the method have the following advantages: 1, the making cost of the rock core is reduced, the technical threshold of making of the rock core is reduced, and the making efficiency of the rock core is improved; and 2, the aperture structure of the rock core is protected by the organic glass tube, so destroys of high confining pressure to the rock core and the change of the aperture structure are effectively avoided. The device has the advantages of simple structure, convenience in operation, high practicality and high simulation credibility, and the method is a novel rock core model making technology suitable for being promoted.

The invention discloses a constant-pressure water jet cavitation test device which comprises a water return tank, a constant-pressure variable-frequency water supply device, a pressure tank, a base, a bottom plate, a jet chamber, a nozzle fixing pipe, a jet nozzle, a silicone mat sealing ring, a transparent organic glass plate, a pressing top plate, a sample, a sample fixing pipe and a drainage flange, wherein the transparent organic glass plate is arranged at the upper end face of the jet chamber; the pressing top plate is arranged on the transparent organic glass plate; the bottom plate is arranged at the lower end face of the jet chamber; the bottom plate is arranged on the base; the nozzle fixing pipe and the sample fixing pipe are both arranged on the pipe wall of the jet chamber; the jet nozzle is arranged on the nozzle fixing pipe; the sample is arranged on the sample fixing pipe; the sample oppositely and directly corresponds to the position of the jet nozzle, and the jet nozzle is communicated with the constant-pressure variable-frequency water supply device and a diaphragm pressure cavity. The jet test device disclosed by the invention is compact and reasonable in structure and strong in generality, can be used to flexibly and simply dismantle the sample, and can carry out different cavitation degree tests on a plurality of groups of sample materials by adjusting the jet speed and jet distance.

The invention discloses a water suspension tunnel connector. The water suspension tunnel connector comprises two pipe sections in butt joint. Connector space is formed between the two pipe sections. The two pipe sections are connected through a damping structure and a sealing structure. The damping structure comprises a connecting sleeve arranged outside the two adjacent pipe sections in a sleeving manner, radial prestress inhaul cables connecting the two ends of the connecting sleeve with the two pipe sections, axial prestress inhaul cables located in the two pipe sections and coaxially arranged, and a tensioning device located between the two pipe sections and used for pulling the coaxial axial prestress inhaul cables. Compared with a traditional immersed tunnel connector, the water suspension tunnel connector is provided with the axial prestress inhaul cables and the radial prestress inhaul cables, vibration and deformation generated by the water suspension tunnel connector in the complex ocean environment can be avoided, and it is guaranteed that a GINA rubber water stop band cannot leak due to dislocation.

The invention relates to an air purifier, in particular to a variable mode wet type air purifier. The air purifier comprises an air intake duct and an air outtake duct, wherein a fan is arranged inside the air intake duct, and a wet type purification device, a packing layer, a cooling coil and a dry type purifier are arranged from the fan to the air outtake duct in sequence; the cooling coil is externally connected with a refrigerant pipe, and an electric valve for controlling the connection or disconnection between the refrigerant pipe and the cooling coil is arranged on the refrigerant pipe. The variable mode wet type air purifier can freely switch the purification mode, and efficiently purify the air through physical and chemical reactions.

The invention provides a tile grout composition and a preparation method and an application thereof, and belongs to the technical field of building materials. The tile grout composition can solve the problems of waste in time and labor, low construction efficiency, and difficulty in dense filling during the existing ground joint filling. The tile grout composition comprises cement, an aggregate, a filler, an expansion agent, a water reducing agent, a water retaining agent, emulsion powder, an early strength agent, a moisture repellent, a defoaming agent, a thixotropic agent and other raw materials; after the tile grout composition is mixed with water, the joint is filled, so that the leveling of the tile grout is good, a miniature gap can be fully filled, and the self-leveling is realized. The tile grout composition has the advantages that the density after hydration is good, the shrinkage rate is low, the strength is high, the joint filling construction of ground tiles is convenient, the early strength after construction is higher, the adhering strength after hardening is higher, and the cracking and water leakage after joint filling are avoided; the preparation method is simple, and the tile grout composition is suitable for industrial production, and is especially suitable for filling ground tile joints in building material industry.

The invention discloses an end soil mass reinforcement system and method, and relates to the technical field of shield tunnel construction engineering. The end soil mass reinforcement system and method can reduce water gushing and sand gushing risks caused when a shield launches and arrives, improve self-stability and bearing force of soil mass and reduce engineering cost. The end soil mass reinforcement system comprises a shield launching end grout reinforcing area (5), structural guard posts (4) and a dewatering well (1) distributed on the periphery of the shield launching end grout reinforcing area, and further comprises plain concrete piles (2) arranged on the outer sides of the edges of the structure guard posts (4) at a constructed tunnel opening. The end soil mass reinforcement method includes the following steps of grout reinforcing, dewatering well distribution, water pumping by dewatering well, plain concrete pile reinforcing, tunnel opening soil mass reinforcing effect detection and shield tunnel inlet receiving. The dewatering well is arranged on the periphery of the shield launching end grout reinforcing area, and the plain concrete piles are arranged on the outer sides of the edges of the structure guard posts at the constructed tunnel opening, and the reinforcing effect is better.

The invention discloses a diaphragm wall joint and a manufacturing method of a diaphragm wall. The diaphragm wall joint comprises two sections of first-stage walls in one foundation pit, wherein the sides of the two sections of walls are opposite; the opposite sides of the first-stage walls are respectively and fixedly connected with two joist steel webs; one section of second-stage wall is arranged in a middle foundation pit; and the second-stage wall is connected with the joist steel webs by adopting a sleeve valve tube for grouting. The manufacturing method of the diaphragm wall aims to manufacture the diaphragm wall. For the diaphragm wall joint, the second-stage wall is utilized to transit; the connecting position is fixed by the joist steels and grouted by a sleeve valve tube, thus having good structure adaptability, no water leakage, low possibility of water burst and sand burst, good water-stopping effect, and safety and reliability. In the manufacturing method, substage grouting is carried out on wall sections in the joint, and the fillers of the joist steel webs are washed and then grouted, thus realizing fast forming and firm connection for the joint, and avoiding the water burst and the sand burst.

This invention relates to one air conditioning indoor machine water collecting discharge structure, which comprises the following parts: outlook panel, chassis, shell and the heat exchanger located inside shell, wherein, the exchanger down part is located with sidewall and water collecting disc; the disc bottom is connected to the water hole and discharge structure protruding downwards located with screw thread on the outlook of the joint part.

The invention relates to a method for assembling a rubber dam in a slope-shaped river channel. The method solves the long-existing problem of water leaking at the design height of the conventional slope-shaped rubber dam at present, improves unreasonable stress of dam bags and improves appearance of dam shapes. The method comprises the following steps of: 1) opening an upstream anchoring tank, a downstream anchoring tank and a top anchoring tank; 2) installing the bag edges of a downstream dam of the dam bag of the rubber dam; 3) installing the bag edges of an upstream dam of the dam bag of the rubber dam; 4) sealing both ends of the dam bag of the rubber dam, flatly overlaying ports on both ends of the dam bag, and placing the ports into the top anchoring tank; and 5) injecting water to the dam bag of the rubber dam from a water injection port to install the rubber dam. The method changes the structural form in the river channel after the rubber dam is installed, the slope part of the dam bag of the rubber dam extends downstream, cockles are formed at the positions of the horizontal section of the dam bottom and the slope section after the dam bag is aerated, and the cockles exist in downstream instead of the top of the dam bag in the conventional structure (the cockles are formed in the vertical direction).

The invention relates to a multifunctional culture water drainage strobe. A barrel-drain is arranged at a position outside a culture pond filled with the culture water and lower than the bottom of a drainage port of the culture pond; the drainage strobe comprises an outer sleeve arranged in the culture pond; the lower part of the outer sleeve is provided with a water through hole groove; the bottom of the culture pond inside the outer sleeve is provided with a drainage port; one end of a drainage concealed conduit arranged below the bottom of the culture pond is communicated with the culture pond through the drainage port; an inner insertion tube arranged in the outer sleeve can be inserted into or pulled out of the end of the drainage concealed conduit; a swing type water level control tube arranged in the barrel-drain can be inserted into or pulled out of the other end of the drainage concealed conduit; the water level control tube inserted into the drainage concealed conduit can swing around a connecting point between the water level control tube and the drainage concealed conduit; the top ends of the outer sleeve, the inner insertion tube and the water level control tube are all opening ends; and the top end of the inner insertion tube is lower than that of the outer sleeve. The strobe has the characteristics of automatic control of water level, good sealing performance, effective drainage of culture water at the bottom layer, timely drainage of redundant water in disaster weathers, simple and convenient construction and the like.

The invention discloses an outdoor LED driving power supply. Through holes allowing a cable to penetrate through are formed in a left cover plate and a right cover plate of the LED driving power supply, hard plastic rings are embedded and fixed into the through holes, the cable penetrates through the plastic rings, and the cable and the plastic rings are in interference fit. An adjusting knob is arranged in a power supply body, the adjusting knob is fixedly packaged by a plastic sleeve, an adjusting hole is formed in the position, corresponding to the plastic sleeve, of an upper cover plate, the upper end of the plastic sleeve stretches to the adjusting hole, and a threaded plug for blocking a channel of the plastic sleeve is installed in the plastic sleeve. The adjusting hole is formed, the plastic sleeve is arranged in the adjusting hole, the adjusting knob can be directly adjusted from the outside, and dual waterproof protection can be achieved for the plastic sleeve through the threaded plug and an end cover in the plastic sleeve. In the outdoor LED driving power supply, when a wire penetrates through a baffle, a special sealing structure is adopted, no water leakage phenomenon is generated in the position of the wire, and the sealing performance of a product is further guaranteed.

The invention discloses a leak-proof baby mug which comprises a mug body, a water guide cover installed on an opening of the top of the mug body in a sealed mode, and a water sealing membrane made of an elastic material. The water guide cover is provided with an installation part, and a plurality of water guide holes are formed in the peripheral edge of the water guide cover. The water sealing membrane is provided with a water sealing membrane installation part and a water sealing membrane sealing part which are connected with each other. The water sealing membrane installation part is connected to the installation part of the water guide cover. The water sealing membrane sealing part has a sealed state that the water guide holes are blocked and not communicated with a cavity of the mug body and an opened state that the water guide holes are opened under the effect of external suction and communicated with the cavity of the mug body. Only under the effect of external suction, gaps exist between the water sealing membrane sealing part and the bottoms of the water guide holes, and the cavity of the mug body is communicated with the water guide holes; otherwise, the water sealing membrane sealing part and the bottoms of the water guide holes are in a closed state all the time, and the cavity of the mug body is not communicated with the water guide holes; when the mug body is put at any angle within 360 degrees, no water leakage exists, and leakage prevention performance is good.

The invention relates to a method for constructing a hot rolling swirl pool structure project by the top-down construction method. The specific method comprises the following steps: digging measurement pile foundation holes, making brick protection walls, pouring to for measurement piles, dividing the part of the outer barrel above the trapezoid-shaped bottom of the swirl pool into a plurality of sections with different heights; digging earth from the top to the bottom in sections and taking the earth wall of the dug earth as a bottom die of the outer barrel and a natural earth die of an outside die; supporting and establishing a combination steel die plate inner die on the inner side; pouring concrete together with the measurement piles; conducting the construction for the trapezoid-shaped bottom; pouring an ring-shaped bracket inside a construction joint between sections; and conducting the construction for an inner barrel of the swirl pool, a water absorption tank platform, a pump station platform and a top plate platform. In the invention, the pool outer barrel is constructed from the top to the bottom in sections by the top-down construction method, the ring-shaped bracket is poured inside the construction joint between sections, and the measurement piles are arranged in the poor outer barrel, thereby basically solves the waterproof, settlement and anti-floating problems, utilizing the construction technique and saving cost. In the hot rolling swirl pool constructed through the method of the invention, no settlement or upward-floating phenomenon occurs, no construction joint is generated, and no quality problem of water leakage or water seepage is caused.

The invention discloses a membrane oxygenation type container for transporting aquatic living bodies, comprising a box body on which a sealing cover, a water inlet pipe and a water outlet pipe are arranged. The membrane oxygenation type container for transporting aquatic living body is characterized in that the box body mainly comprises an oxygen supplying area and a fish culturing area which are separated from each other by a grid-like partition board, the oxygen supplying area is arranged on the side of the box body, at least one hollow fiber is laid in the oxygen supplying area, the wall of the hollow fiber is provided with micropores, one end of the hollow fiber penetrates through an air inlet hole so as to be connected with an outside oxygen supplying pipe, and a sealing device is fixed between the outer wall of the hollow fiber and the air inlet hole. Adopting the membrane oxygenation, the membrane oxygenation type container for transporting aquatic living body can realize the bubble-free oxygen supply, improve the oxygen dissolving efficiency, ensure the waterbody oxygen dissolving degree during the transportation of the aquatic living bodies and provide the environment suitable for the aquatic living bodies to live, thereby greatly improving the survival rate of the aquatic living bodies.

The invention relates to the technical field of valves, in particular to a ceramic valve. The ceramic valve comprises a shell, a stator plate, a rotor plate, a drive plate and a gland, wherein a cold water outlet pipe, a hot water inlet pipe, a first cleaning pipe and a second cleaning pipe are arranged on the bottom surface of the shell, a cold water inlet pipe is arranged on the side wall of the shell, the stator plate is arranged in the shell and is used for limiting in the radial direction together with the shell, the rotor plate is arranged above the stator plate, the drive plate is arranged above the rotor plate and is used for limiting in the radial direction together with the rotor plate, the gland is arranged above the drive plate and is connected with the shell through bolts and nuts, a first groove is formed in the lower surface of the rotor plate, an opening is formed in the portion, symmetrical to the first groove, of the edge of the rotor plate, and a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole are formed in the stator plate.

The invention discloses a movable spray irrigation device. The movable spray irrigation device comprises a sprayer, a sprayer control switch, a sprayer insertion device, a connection rod and a support, the sprayer control switch is used for turning on and turning off the sprayer, the sprayer insertion device is in a hollow tube shape and comprises a holding end and an insertion end, the holding end is fixedly connected with the sprayer, the insertion end is detachably connected with the connection rod, the connection rod is in a hollow tube shape and comprises a connection end and a fixed end, the connection end is connected with the insertion end of the sprayer insertion device, the fixed end is fixedly connected with the support, and the support at least comprises three legs adjustable in height. The movable spray irrigation device has the advantages that a fixed net laying and fixed-position spray irrigation mode of a general lawn spray irrigation device is changed, and the movable spray irrigation device can be moved to positions requiring irrigation conveniently, thereby being low in cost and good in effect; meanwhile, by the aid of the height-adjustable movable support, the placement height of the movable spray irrigation device can be selected according to the area requiring irrigation, and operation is simple.

A decorative heat-preserved wall board with solar and air heat collection is provided, which comprises a back board, a panel, a rim and an inner cavity. The back board is a shallow box-like heat-preservation sandwich board, an air inlet is provided at the lower part of the box bottom, an air outlet is provided at the upper part of the box bottom, at the air outlet, a solar fan is installed. The power supply of the fan is a solar photovoltaic power generating board at inner side at front of the panel. The panel is a flat glass. Between the panel and the back board, the rim is connected. On the rim, some concave ports for connecting are provided. In the inner cavity enclosed by the panel, back board and the rim, a corrugated heat-absorbing board is fixedly connected on the inner bottom side of the shallow box-like heat-preservation sandwich board. The outer surface of the corrugated heat-absorbing board is provided with a heat-absorbing coating. The inner wall of the corrugated heat-absorbing board is connected with heat-exchanging fins. The inside of the corrugated heat-absorbing board forms a heat-exchanging cavity, which is communicated with the air inlet and the air outlet. The invention greatly reduces the cost of the wall board integrating solar with a building, is easy to maintain, improves the service life and is easy to spread and apply in large area.

The invention discloses an artificial intelligence-based water treatment system and a water outlet device thereof. The artificial intelligence-based water treatment system comprises a device body, thewater outlet device arranged in the device body, and a prompt device arranged on the device body. The water outlet device comprises a first cavity arranged in the device body; a first water inlet pipe is arranged in an inner wall of the lower side of the first cavity in a communicating way; a second water inlet pipe is arranged at the lower end of the first water inlet pipe in a communicating way; a second cavity is arranged in an inner wall of the upper side of the first cavity; a third cavity is arranged in an inner wall of the right side of the second cavity in a communicating way; first opening grooves are formed in inner walls of the upper side and the lower side of the third cavity in a communicating way; a first motor is fixedly arranged in an inner wall of the left side of the second cavity; a first slide block is rotatably arranged in the second cavity; and the left end of the first slide block is connected to the left end of the first motor through a rotary shaft in a powerfit way.

The invention relates to aluminum finned water tank of a water-cooled engine, which mainly comprises a water inlet pipe, a water outlet pipe, a water feeding chamber, a water draining chamber, a baffle, a guard plate, a cooling fin and a cooling pipe. The aluminum finned water tank is characterized in that the cooling pipe is manufactured by pressing a drawn seamless steel pipe and is provided with a flat middle part and arced two ends. The aluminum finned water tank provided by the invention has the advantages of simple cooling pipe structure, convenience for production and no water leakage.

The present invention relates to a HDPE double-wall corrugated pipe having pierces on the external wall, and a perforating device and a perforating method thereof. A plurality of special hollow external wall corrugated rings are arranged outside the inner wall of the corrugated pipe. The top surface of each external wall corrugated ring is provided with small wave trough, and pierce is arranged at the position where the wave trough is positioned. In the present invention, after the forming of the tubular goods, the pressure difference between the corrugated ring and atmospheric pressure can be adjusted through the pierce of the external wall corrugated ring, and the service performance of the tubular goods will not be influenced. Because the pierce is arranged only on the external wall corrugated ring, water leak phenomenon will not occur. Compared with the tubular goods without pierce, the physical property test of the tubular goods which has the same Kilogram/Meter represents that the HDPE tubular goods with pierce has flattening inner wall without influencing the annular rigidity, the annular flexibility, the falling weight impact test, and the service performance.

The invention relates to a process for preventing corrosion of a plastic lining and in particular relates to a process for preventing corrosion of a plastic lining on the inner wall of large-diameter tank equipment. The process comprises the following steps: cutting prewelded plates of the tank equipment and pretreating the prewelded plates; welding a reinforcing net on each prewelded plate; cleaning rust on the prewelded plates with welded reinforcing nets; carrying out PO (propylene oxide) lining manufacturing on the prewelded plates and reserving 10-20cm holes which do not undergo lining manufacturing in the surrounding edges of each prewelded plate; rolling the prewelded plates and welding the prewelded plates to form the tank equipment; after welding, carrying out PO lining repair on weld joints reserved between the adjacent prewelded plates. The process has the advantages that the problem of corrosion prevention of the plastic lining of the large-diameter tank (phi is not less than 5000mm) with stronger solution corrosivity is solved; the prepared large-diameter tank has high strength and high corrosion resistance; the diameter and height of the construction tank can be 20-30m, thus filling in the gap in the plastic linings of ultra-large tanks in the industry.