36results about How to "Drainage safety" patented technology

The invention relates to a same floor draining joint for a building, in particular to a same floor draining joint for a toilet, which consists of an upper vertical pipe draining port, a lower vertical pipe draining port and at least two transverse pipe draining ports; the upper vertical pipe draining port is communicated with the upper end and the lower end of the lower vertical pipe draining port; the at least two transverse pipe draining ports are staggered in position and are arranged between the upper vertical pipe draining port and the lower vertical pipe draining port; the orientation of the inlet of at least one of the transverse pipe draining ports is equal to or nearly equal to the orientation of the upper vertical pipe draining port, and the orientation of the inlet of at least one of the transverse pipe draining ports forms an included angle of 30-100 degrees with the orientation of the upper vertical pipe draining port. The same floor draining joint is rational and scientific in structure, and is capable of realizing the same floor draining and the same floor maintenance when the draining joint is adopted in the same floor draining of the non-falling plate or falling plate; the draining is more safe; the water is not easy to accumulate in the falling plate layer even the way of the falling plate is adopted, and the accumulated water is safely and completely discharged, so as to avoid the foreign smell in the room.

The invention discloses a rain and flood utilization system, which integrates project measures and ecological environment, is widely applied to the technical field of rain water utilization and particularly relates to the rain and flood utilization system in building zones. The whole process of the rain and flood utilization system is completed through rain water converging, safe diversion, abandoned flow control, filtration, storage, water quality keeping, purifying treatment and comprehensive utilization. The system has a security function of automatic alarm, avoids blockage and siltation, ensures smooth filtration, reduces potential safety hazard, realizes quaternity integrated recycle treatment, namely sterilization, activation, filtration and oxygenation, of stored water, further guarantees the water quality, prevents secondary pollution of an impounding reservoir, reduces load of water quality treatment and saves investment and operation cost.

The invention discloses an urban rainfall flood preventing and treating intelligent control system and a control method. A road surface accumulated water level sensor, a river level sensor, a well and pond level sensor, a pipeline, a flow rate sensor and a flow sensor of a pump outlet and a speed adjusting frequency converter arranged on a pump are arranged. A central control unit is arranged and in signal and control connection with the road surface accumulating water level sensor, the river level sensor, the well and pond level sensor, the flow rate sensor, the flow sensor and the speed adjusting frequency converter. The central control unit is provided with a display with a big screen, a printer, an interface and a communication line, wherein the interface and the communication line transmit data with an upper controller. The control method includes the following steps that the control system is set and an initial value of the control system is set; a network line is opened, the central control unit is connected and the system operates; warning situations are dealt with in time; data is filed, settled and reported. The urban rainfall flood preventing and treating intelligent control system and the control method are suitable for monitoring, preventing and treating of urban drainage and rainfall floods, complete in structure, high in automaticity, easy to operate, timely and accurate in monitoring and capable of ensuring safety of urban drainage and flood control.

The invention provides a vacuum holding type dejectas collecting system. The vacuum holding type dejectas collecting system comprises a first water tank, a second water tank, a third water tank, a fourth water tank, a squatting toilet, a sitting toilet, a grey water unit, a dining car water supply unit, a first sewage tank, a second sewage tank, a vacuum generator and a control unit, wherein sewage draining exits are formed in two ends of both the first sewage tank and the second sewage tank; washing water inlets are formed parallel to the sewage draining exits; and vacuum connections are arranged on the upper end surfaces of the first sewage tank and the second sewage tank so that the first sewage tank and the second sewage tank are connected with the vacuum generator. Due to the additionally arranged sewage tanks, the sewage and dirt are collected in the whole dejectas collecting system so that the dejectas collecting system has a very good protecting effect on the train operation surrounding environment and toilets of a train can be continuously used after arriving at stations. Due to the adoption of the vacuum holding type dejectas collecting system, the amount of water used to flush the toilets is greatly reduced so that water resources can be effectively saved and the flushing effect is improved.

The invention discloses a tail end rainwater purifying well for a separate system rainwater drainage system. The tail end rainwater purifying well comprises a water inlet and a water outlet, wherein the water inlet and the water outlet are arranged oppositely in the horizontal direction. A connection line between the water inlet and the water outlet is a reference path. A cleaning and digging area, a mud depositing area and a suspended matter separating area are sequentially communicated from the water inlet to the water outlet and arranged inside the tail end rainwater purifying well. The suspended matter separating area is divided into a plurality of channels through a folded plate assembly, wherein the channels are perpendicular to the reference path. The bottoms of the channels are entrances connected with the mud depositing area. The tops of the channels are exits communicated with the water outlet. The folded plate assembly comprises at least two folded plates which are arranged in a mutually parallel mode and are vertically arranged inside the suspended matter separating area. The tail end rainwater purifying well solves the problem that initial rainwater runoff in a rainwater system pollutes receiving water, and promotes suspended matter in rainwater to be deposited and separated in the tail end rainwater purifying well effectively on the basis of an original rainwater well and by utilizing a shallow pool principle and arranging the folded plate assembly.

The invention discloses a roof structure for a sponge city. The roof structure comprises a roofing layer, a waterproof layer, a water storage layer and a protection net layer, a roofing rainwater opening used for discharging rainwater is formed in the roofing layer, the waterproof layer is arranged on the roofing layer and used for preventing the water from seeping down to the roofing layer, the water storage layer is arranged on the waterproof layer, a drainage channel is formed in the water storage layer, the drainage channel communicates with the roofing rainwater opening and used for collecting and discharging the overflowing rainwater exceeding the water storage capacity of the water storage layer, and the protection net layer is arranged on the water storage layer. The roof structurefor the sponge city is suitable for construction of tower building roofs of high-rise buildings developed at a high density, the roofing runoff can be controlled while drainage safety of the tower building roofs of the high-rise buildings is ensured, and the limitation of roofing rainwater runoff management measures for an existing environment-friendly roof is broken through.

The invention discloses a suspended matter separating well for a separate system rainwater drainage system. The suspended matter separating well is provided with a water inlet and a water outlet, wherein the water inlet and the water outlet are arranged oppositely in the horizontal direction. The connection line between the water inlet and the water outlet is a water passing path. A water distributing area, a suspended matter separating area and a cleaning and digging area are sequentially communicated in the water passing path direction and arranged inside the suspended matter separating well. A mud depositing area is arranged below the suspended matter separating area. The suspended matter separating area is divided into a plurality of channels parallel with the water passing path through a folded plate assembly. The folded plate assembly comprises at least two folded plates arranged in parallel. The folded plates are vertically arranged in the suspended matter separating area. On the basis of an original rainwater well, by utilizing a shallow pool principle and arranging the folded plate assembly, the suspended matter separating well promotes suspended matter in rainwater to be deposited and separated in the suspended matter separating well effectively and achieves control over pre-pollution of the rainwater.

The invention provides an inflation and drainage device for a spent fuel storage-transport vessel. The device comprises a cylinder, wherein a first cover plate and a second cover plate are arranged atupper and lower ends of the cylinder; a shielding compensation plug and an inflation check valve structure are arranged at the air inlet of the first cover plate; and a draining hole and a draining valve structure are arranged close to the bottom of the cylinder. When the device is used, a spent fuel storage-transport vessel is inflated and drained by adopting the shielding compensation plug andinflation check valve structure and the draining hole and draining valve structure. The inflation and drainage device has the advantages of practicality, safety and reliability.

The invention relates to a seeper drainer for a building, in particular to a multifunctional seeper drainer for same-storey drainage of a building. The multifunctional seeper drainer for the same-storey drainage consists of a utensil drainage connecting section and a seeper drainage connecting section, wherein the utensil drainage connecting section is positioned above the seeper drainage connecting section and consists of a utensil draining body and a utensil water sealing body; and the seeper drainage connecting section consists of a seeper collecting body and a seeper sealing body. A waterseal of a water sealing device which is connected with a draining utensil and is arranged on a transverse same-storey drainage pipe can realize active water supplement, and a water seal of a water sealing device which drains seeper in a declined slab layer can realize active water supplement, so that all water seals connected with the multifunctional seeper drainer for the same-storey drainage have a dryness preventing function and the drainage is safer.

The invention provides an ecological universal component matched with a fabricated rectangular channel. The ecological universal component aims to solve the problems that the fabricated rectangular channel cannot enable terrestrial animals in a falling channel to escape, amphibians to migrate and aquatic animals to survive, ecological balance is affected, and water distribution of the channel cannot be achieved. The ecological universal component comprises a rectangular groove body and two escape channel plates, wherein square holes are formed in the side wall of the rectangular groove body, the escape channel plates are obliquely arranged in the rectangular groove body, the oblique directions of the two escape channel plates are opposite, and the upper surfaces of the escape channel plates are stepped. The ecological universal component is used for water delivery of the fabricated rectangular channel of farmland.

The invention discloses a jet flow water guiding device and belongs to the technical field of mine drainage systems. The jet flow water guiding device comprises a gas inlet pipe and a mixing section pipe located at one side of the gas inlet pipe, wherein the right end of the gas inlet pipe is inwards shrunk to form a horn mouth; the horn mouth of the right end of the gas inlet pipe is inserted into the mixing section pipe; the left end of the mixing section pipe and the outer wall of the gas inlet pipe are sealed by blocking; a water inlet pipe which is communicated with the inside of the mixing section pipe is fixed to the outer wall of the mixing section pipe; the right end of the mixing section pipe is inwards shrunk to form a horn mouth; the right end of the mixing section pipe is connected with an outlet section pipe; and the right end of the outlet section pipe is externally expanded to form a horn mouth. Air inside a draining pump is exhausted by the jet flow water guiding device, so that the draining pump is automatically filled with water, the problems that a valve plate is not closed tightly, water leaks and the water feeding difficulty of a water absorption pipe is large, existing in a water absorption pipe bottom valve, are effectively solved, the times of replacing the bottom valve are reduced, the labor intensity of workers is reduced, the service life of apparatuses is prolonged, safety, high quality and efficient water drainage are realized, and better economic benefits are obtained.

The invention relates to a container for drainage of fluids or wound secretion, comprising an inlet opening to connect with a drainage line and an outlet opening for releasing waste air accumulated inside the container during drainage, which is characterized in that the container is pre-evacuated, and the outlet opening is sealable, so that the container is transferable in a first and in a second operating condition, wherein in the first operating condition the outlet opening is sealed, so that a suction can be achieved at the inlet opening caused by the vacuum inside the container, and in the second operating condition the outlet opening is opened, so that air can enter the container through the outlet opening and neutralize the vacuum present inside the container.

The invention discloses a radioactive substance detection device, comprising: an online detector which comprises a mobile shielding frame body; shielding tools which are mounted on the movable shielding frame body and are provided with detection channels; and detection probes which are mounted on the shielding tools and located at the top ends of the detection channels, and are connected with a data processor through a data line. The device is reasonable in design and simple in structure. The online detector is reasonably designed, and the plurality of shielding tools are arranged on the online detector. The shielding tools enable workers to conveniently drain radioactive substances to the closed detection channels, and the detection probes conduct qualitative or quantitative detection on the radioactive substances in the detection channels. In the process, radioactive substances cannot leak, and the personal safety of workers is guaranteed. A to-be-detected material is detected circularly, the mass or the size of the to-be-detected material cannot be changed in the process, and the detection efficiency and the detection accuracy are higher.

The invention provides an air inlet system on a passenger car with a front engine. Air sequentially enters an air inlet grating, an upper section air flue, a front air inlet channel, a rear air inlet channel and an air filter. The upper section air flue is composed of a vehicle door outer panel, a vehicle door inner panel and an upper air inlet unit. The front air inlet channel comprises a floor framework and a front air inlet unit connected to the floor framework. The rear air inlet channel comprises a floor framework and a rear air inlet unit connected to the floor framework. The front air inlet unit and the rear air inlet unit are communicated to form an independent ventilation assembly which is not limited by the relative positions of the air inlet grating and the air filter. Therefore, the air inlet system is suitable for the passenger car with the front engine and is high in universality, the structural gap of an existing vehicle body can be fully used, and installation difficulty and cost can be reduced. Besides, distribution space of seats in the vehicle body can be increased, quality of air entering the air filter is improved, and safe and efficient water drainage is benefited.

The invention belongs to the technical field of binocular vision, and particularly discloses a binocular vision guiding method based on continuous casting equipment, which comprises the following steps: shooting an upper nozzle through a binocular camera to obtain an upper nozzle image, and identifying feature points of the upper nozzle image; calculating position coordinates of the upper nozzle according to the feature points of the upper nozzle image; enabling the mechanical arm to acquire the position coordinate information of the upper nozzle, and performs sleeving action on the sleeve nozzle according to the position coordinate information of the upper nozzle; and after the sleeving action of the sleeve nozzle is completed, starting molten steel drainage, and after molten steel drainage is completed, enabling the mechanical arm to automatically return to the safety position, and therefore, the automation process of the steel industry can be accelerated, and a safer, more efficientand labor-saving operation mode is provided for steelmaking enterprises.

The invention provides a water diversion type water-stop belt. The water diversion type water-stop belt mainly comprises a water-stop belt body and a geotextile fabric filtering layer, wherein the water-stop belt body is provided with a water diversion tank and fixing wings; the geotextile fabric filtering layer is located on the upstream face of the water-stop belt and above the water diversion tank, and used for filtering out gravel and making water permeate into the water diversion tank; and the water diversion tank is used for draining accumulated water on the water-stop belt in a guiding mode so that the water-stop belt can have the tensile capacity and the shear capacity. The belt body of the water diversion type water-stop belt is made of a material with high strength and seawater corrosion resistance. The fixing wings are located on the two sides of the water-stop belt body and used for being connected with a concrete lining body in firm and sealed modes. Through combination of the geotextile fabric filtering layer with the water diversion tank, a safer drainage system is formed, accumulated water on the water-stop belt can be effectively gathered in the water diversion tank to be drained in a centralized mode, the interference of the structure on the water-stop belt is avoided, and water is drained out of a tunnel in time. Geotextile fabric and the water-stop belt body are bonded through engineering glue. According to the water diversion type water-stop belt, the novel seawater corrosion resistant material is developed specific to the coastal region environment as well as rubber corrosive substances in the seawater, and the service life of tunnels in the coastal regions is prolonged.

The invention relates to the field of medical instruments, in particular to an anti-backflow flushing drainage device. The anti-backflow flushing drainage device comprises a flushing drainage pipe, a flushing control valve, a drainage control valve, a flushing channel, a drainage channel, a flushing fluid source and a negative pressure source, wherein the flushing drainage pipe is formed by nesting an inner pipe in an outer pipe, a side hole is formed in the front end of the outer pipe, and a drainage hole is formed in the inner pipe; the rear end of the outer pipe and a connecting pipe are fixed outside the inner pipe to form a cavity; and the flushing control valve and the drainage control valve are arranged at the position of the connecting pipe. A drainage valve rod is long enough and can support a valve block to ascend into a groove; and the distance from the upper end of a drainage through hole to the lower end of the drainage channel is larger than that from the boundary of the valve block to the inner diameter of the inner pipe. In this way, when the drainage through hole is used and descends to be blocked, the valve block still does not completely block the inner pipe and an inner pipe connecting pipe, and the time delay effect is achieved. Residual fluid flows back to a pipeline is drained to the maximum extent, and the flushing drainage pipe is divided into the inner pipe and the outer pipe which are respectively provided with the drainage hole and the side hole, so that the risk that the device is blocked by blood clots or sundries when waste fluid is sucked is eliminated, and safe and continuous drainage is ensured. Due to the arrangement of a grabbing plate, operation is more comfortable.

The invention belongs to the field of emergency drainage and particularly relates to a hose guide box and a box-type hose guide device. The hose guide box comprises a welded steel angle frame and a guide pipe, wherein the guide pipe is arranged on the welded steel angle frame to form a guide surface, and a drain hose penetrates through the guide surface for guiding. The hose guide box is fast and convenient to install, easy to bend and wide in angle adjustment range; particularly, a connecting pipe fitting between an elbow head or an elbow pipe and a pipe is omitted, running, spilling, dripping and leaking problems of the connecting pipe fitting are eradicated, water pipe damage factors are reduced through the smooth guide pipe, the ability in rapid pipe installation is improved, and a large amount of time is saved.

The invention discloses a terminal floating filter of a separate rainwater drainage system. The terminal floating filter comprises: a suspended matter filtering zone horizontally communicated with a water inlet and a water outlet; a mud settling zone arranged below the suspended matter filtering zone and used for collecting impurities filtered by the suspended matter filtering zone; an overflow zone arranged above the suspended matter filtering zone; a weir filtering layer that isolates the suspended matter filtering zone to filter rainwater and which includes a container with filter holes, asuspended particle filtering material fitted in the container and a fastener to compress the suspended particle filtering material in the container, wherein the side, facing the water inlet, of the container is tilted to the water inlet. The terminal floating filter is simple in structure and low in cost, has no need for power and is convenient to maintain; suspended matters in water and other pollutants attached to the suspended matters can be effectively removed; the weir floating filter layer helps well overcome the defects that mud film easily forms on the surface of a traditional filter,a filter layer blocks easily, and a filtering material is troublesome to wash; the filtering layer herein is convenient and thorough to wash.