35results about How to "Solve water supply problems" patented technology

The invention discloses a deepwater high-flow-rate exposed high-strength steep rock sea area steel trestle and a construction method thereof. Steel pipe piles of a steel trestle foundation are stabilized in the bed rock, the upper part structure of the steel trestle is set up, the steel pipe piles are subjected to rock-socketed anchoring construction, the steel trestle construction speed is improved greatly, a series of conventional problems affecting the progress, the quality and the safety during the steel trestle construction are solved, a positioning ship and a pile driving barge are used for stabilizing the piles so that toppling caused due to deviation and shaking under high-flow-rate operation due to the defect that the into-rock depth of the steel pipe piles is not enough is avoided, bottom elevation self-adaption steel cofferdam pouring underwater concrete is put under the outer sides of the steel pipe piles so that the friction force of the steel pipe piles and the bed rock is increased, the stability of the steel pipe piles is improved, trestle deformation collapse caused by bottom opening slurry leaking and steel pipe pile sinking when holes are drilled in the steel pipe piles is avoided, bearing girds are welded between the horizontal steel pipe piles so that the phenomenon that structure stress is affected by non-correspondence of Bailey beam major nodes and the bearing beams is avoided, and the purposes that the steel trestle construction period is short, the cost is low and the construction is safe and efficient are realized.

The invention discloses a rainwater collecting and reusing device for the vertical greening of a building. The invention includes a rainwater inlet stand pipe, a rainwater purifying ecological groove body, aself-using-water water tank and a rainwater collecting stand pipe, therainwater purifying ecological groove body and the self-using-water water tank which is close to a wall are combined side by side, the rainwater inlet stand pipe and the rainwater collecting stand pipe are arranged on two ends of the rainwater purifying ecological groove body respectively, the rainwater purifying ecological groove body is divided into a plurality of sections, aerobicnitrificationsections and anaerobicdenitrificationsections are arranged alternatively; the end section of the rainwater purifying ecological groove body is a chemical phosphorus removal filler module; the bottom, corresponding to the aerobicnitrification sections, of the self-using-water water tank is provided with reusing-water perforationdistribution pipes which are embedded in filler layers, and one-way valves are installed on the main pipes of the reusing-water perforationdistribution pipes. The device has the advantages that the device has the water-holding capacity, rainwater peak values and the amount of SS, COD and other contaminants are reduced, and the content of nitrogen and the content of phosphorusare controlled to reach standards, and the purposes are achieved that the water tank automatically supplements water to the device and the environmental greening is conducted.

The water reservoir, water pump, sealed container and user are contained via pipeline. The liquid level controlling system consists of container level loop, control level loop, container level detecting circuit, control level detecting circuit, information processing control circuit, on-off control circuit and the water pump. Via simple signal conversion, water pump motor rotation speed, instead of regulating valve, is regulated and this has high control sensitivity, less measurement lagging, and high control precision. The present invention can be used widely in water tower, industry boiler water supply, etc.

An intensive flood irrigation channel, comprising an inner water-limiting dam wall (1) and an outer dam wall (3). The inner water-limiting dam wall (1) and the outer dam wall (3) are arranged in parallel. A channel (12) is found between the inner water-limiting dam wall (1) and the outer dam wall (3). The elevation of the channel (12) is lower than the minimum water level of a present section of riverbed. An outer dam wall water-limiting counterfort (2) is provided at a downstream extremity of the outer dam wall (3). A settled sand and flood discharging drain (4) is provided on the outer dam wall water-limiting counterfort (2). An overflow volume-adjustment sectional apron (13) is provided on the outside of the outer dam wall water-limiting counterfort (2). A settled sand and flood discharging drain gravitational apron (8) is provided on the outside of the settled sand and flood discharging drain (4). A channel gate (11) is provided downstream to the settled sand and flood discharging drain (4). A water supply inlet (5) is provided on the inner water-limiting dam wall (1) downstream to the channel gate (11). A water supply inlet pull-type apron (10) is provided on the inside of the water supply inlet (5). A water outlet (6) is provided downstream to the water supply inlet (5). A left-right pulling gate (7) is provided at the water outlet (6).

The invention discloses a vehicle resistance device capable of pretreating rainwater, which comprises a vehicle resistance body and a well pit, the vehicle resistance body is sealed at the mouth of the well pit, and a water inlet hole is opened on the bottom side wall of the vehicle resistance body. In the middle of the well pit, there is a partition with a leaking hole to separate the upper well pit and the lower well pit; in the lower well pit, there is a rainwater collection tank on the outside of the discarded running water and sand channel; the partition wall on one side of the rainwater collection tank is provided with a through hole, which connects the rainwater Storage Room. It also discloses a system combined with the vehicle resistance device, which consists of a plurality of vehicle resistance devices arranged along the road at a certain distance, and the discarded water and sand channels of the upper and lower two vehicle resistance devices are connected with the discarded outflow water pipe. The rainwater storage room of the resistance device is connected to the sandstone cushion at the bottom of the green landscape plant of the next vehicle resistance device through the rainwater outlet pipe. The invention solves the problems of large occupied area of ​​rainwater treatment facilities and reuse, preliminary treatment of rainwater, reduction of urban waterlogging and the like.

Belonging to coal mine motor protection methods and devices, the invention relates to a coal mining machine motor cooling control system and method. The system consists of an onboard water pipe contraction-release control device, a ground water pipe protection control device and a water pipe groove. Specifically, the onboard water pipe contraction-release control device is composed of a controller, a motor driver, a reel water pipe motor, a water pipe reel and a communication circuit. The ground water pipe protection control device is composed of a communication circuit, a microprocessor, a motor driver, a shutter motor, a reel and a protection shutter. The system and the method provided by the invention can provide cooling water to the coal mining machine conveniently and safely, prevent coal cutting motor overheating, and ensure electric safety and efficient mining.

The invention discloses a solar power generation and seawater desalination device of combining a condenser and a wind turbine. A bottom groove of a seawater heat storage layer absorbs solar radiation to heat seawater, wherein seawater is evaporated into water vapor to be carried by airflow flowing inside from an inlet of a heat collector, wet hot air enters the condenser at the bottom of a chimney through the heat collector, the temperature of the wet hot air in a heat exchange wall surface is reduced, the separated liquid water is collected by a fresh water storage pool to improve the seawater desalination effect; the heat exchange air drives a turbine motor to rotate and work under the effect of a chimney effect; the turbine motor consumes most of pressure potential energy and one part of kinetic energy of the airflow and the remaining small part of pressure potential energy and kinetic energy are used for driving the airflow to escape towards the outlet of the chimney; and upper-air wind drives blades of a ventilator to rotate when blowing the blades of an H-shaped vertical axis wind turbine to rotate, and the inner and outer pressure difference of the chimney is further increased through negative pressure generated by the rotating blades of the ventilator, so that emission of working hot airflow in the chimney is accelerated and the chimney effect is strengthened.

The invention discloses a water testing device for displaying a flushing function of a toilet lid, comprising a water storage tank, a circulating water pump, a water inlet pipe and a water outlet pipe, wherein the water storage tank can be arranged below the toilet lid so as to be connected with the toilet lid; one end of the water inlet pipe is connected with a water inlet of the circulating water pump, and the other end of the water inlet pipe is communicated with the water storage tank; and one end of the water outlet pipe is connected with a water outlet of the circulating water pump, and the other end of the water outlet pipe is communicated with a spray pipe of the toilet lid. According to the water testing device, the water storage tank is used as a water storage container and a supporting platform of the toilet lid with the flushing function, combined with the circulating water pump and matched with the water inlet pipe and the water outlet pipe, so that water supply circulation is realized, and the problems related to supporting and water supply existing when the toilet lid with the flushing function and particularly an intelligent toilet lid are displayed are solved; and in addition, the water testing device has the characteristics of small appearance, convenience in carrying and mounting, low water consumption and the like.

The invention discloses a fire extinguishing gun turret, and belongs to the technical field of fire-fighting equipment. The fire extinguishing gun turret comprises a rotating gun adjusting module, a pitching gun adjusting module and a shooting module, wherein a compound motion of peripheral rotation and vertical pitching of the shooting module is achieved by virtue of the rotating gun adjusting module and the pitching gun adjusting module through electric control, so that automatic and accurate aiming of the shooting module is realized and automation degree is high; in addition, the shooting module not only can launch fire extinguishing bombs for long-distance fire extinguishing but also can jet high-pressure water for short-distance fire extinguishing by virtue of the common-frame setting of a pulse gun and a water gun, so that the application scope of the fire extinguishing gun is effectively extended; in addition, by virtue of the design of the installation structures of the pulse gun and the fire gun, the waterproof and dustproof structures of various important parts as well as the submerged design of a steering wheel and an electrical box body, and the like, the fire extinguishing gun turret is impact and reasonable in structure, good in assembling processing property and high in reliability; the fire extinguishing gun turret not only can be used for reducing production cost but also can be used for lowering the difficulty of later maintenance, and various properties reach advanced level in the field.