30results about How to "Reduce usage restrictions" patented technology

The invention discloses a power heat pipe system which mainly comprises a condenser, a return device, a circulating pump, an evaporator, a liquid storage tank and a circuit control element; a liquid inlet end of the return device is connected to the lower part of the working media liquid level in the liquid storage tank, and an air inlet of the evaporator and a steam outlet of the evaporator are connected to the upper part of the working media liquid level in the liquid storage tank; the circulating pump is connected into a liquid inlet end of the evaporator, namely behind a three-way pipe which is arranged at a joint position of the liquid outlet end of the return device and a liquid outlet end of the condenser; and the circuit control element controls the running state of the system. The power heat pipe system solves the problems that the heat pipe heat exchange equipment is incomplete for gas and liquid separation and insufficient in circulating power through the design of the liquid storage tank, the return device and the circulating pump, improves the working efficiency and practicability of a heat pipe, and is simple in whole structure and environment-friendly.

The invention discloses an anti-hydrophobic soil stabilizer and a preparation method thereof. The preparation method of the anti-hydrophobic soil stabilizer comprises the following steps in parts by weight: dissolving 3 parts by weight of oleamide and 6 parts by weight of triisopropanolamine in alcohol to obtain a mixture; then, reacting the mixture with 5 parts by weight of carbolic acid and adding water into a reaction kettle to synthesize the anti-hydrophobic soil stabilizer. The anti-hydrophobic soil stabilizer is applied to paving a road, performing phosphogypsum environment-friendly treatment, performing slope treatment and performing stone carving artwork repair. The anti-hydrophobic soil stabilizer disclosed by the invention can be used for improving a soil granule structure, lowering the soil particle interface activity, enabling the original cohesion inside the soil particles to recombine to produce irreversible cohesion, blocking soil mass gaps to enable the soil particles to lose capillary water absorption, directly mixing with the natural soil and lowering the consumption and saving over 50% of the energy resources by enabling a weight ratio of the anti-hydrophobic soil stabilizer to natural soil to be smaller than and equal to 0.1%, and can not cause pollution on the natural environment after being mixed into the soil.

The invention relates to a seawater desalination method and device of natural vacuum and low temperature distillation, which is characterized in that the system must be airtight before operation, the water injection valve on the system top is switched on to fill up the system with seawater; the drain valves of all drainage pipes connected with the evaporation chamber are switched on, then the seawater is flowed out under the influence of the gravity; the air in the system is discharged to make the system vacuum; the heat source can be conveyed to the evaporation chamber now; when the temperature of heat source is higher than the condensation temperature, the evaporation pressure of the heated seawater is higher than the condensation temperature of fresh water, the evaporated vapor is condensed by the condenser under the action of pressure difference between the evaporation pressure and the condensing pressure and finally the desalinated water can be obtained. The invention has the advantages that a sleeve regenerator is arranged on the connection section of the water supply pipe of seawater and the evaporation chamber, the heat of the strong brine discharged by the evaporator is partially adopted to preheat the seawater in the evaporator, the liquid in the system can flow freely due to the pressure difference, thus the method can economize energy source and the device can be used to desalinate the seawater on any sea island, water-deficient area or brackish water area.

The invention discloses a two-phase flow power heat pipe device, which is mainly composed of a condenser, a liquid storage and diversion device, a circulation pump, an evaporator and a circuit control element; the liquid storage and diversion device has a liquid storage tank and an input of a catheter The output end and the return hole are formed to realize the collection, complete separation and diversion of the gas-liquid two-phase flow, so that the whole system has a stable cycle of the gas-liquid two-phase flow; the return hole has two types: a liquid return hole and an air return hole Form, the position of the return air hole is above the liquid level in the liquid storage tank, and the position of the liquid return hole is below the liquid level in the liquid storage tank; the purpose of the two heat exchangers of the condenser and the evaporator is to realize energy transportation; The circulation pump is connected between the liquid inlet end of the evaporator and the liquid outlet end of the condenser; the circuit control element controls the operating state of the system; this power heat pipe system solves the problem of It solves the problems of incomplete gas-liquid separation and insufficient circulation power in the heat pipe heat exchange equipment, improves the work efficiency and practicability of the heat pipe, and the whole system device used has a simple structure and is environmentally friendly.

The invention discloses an adaptive partial discharge ultrasonic monitoring method based on any array, comprising steps of utilizing a sensor array of any array to receive spatial signals, processing the received spatial signals to obtain characteristic value decomposition matrix of an array covariance matrix, performing modeling on each scanning point in the space to obtain an expected guidance vector of any array, looking for the optimal guidance vector according to the obtained expected guidance vector and the characteristic decomposition matrix, wherein the optimal guidance vector is obtained from the expected guidance vector through the principle formed by the adaptive wave beams, forming an optimal weight vector according to the optimal guidance vector and obtaining the evaluation result of the sound source position according to the optimal weight vector. The invention can maximally inhibit the noise and interference, can reduce the output sidelobe of the processor, and can guarantee the output signal to noise ratio, has higher resolution, guarantees the monitoring performance under the interference condition, has the wide application range and strong interference resistance.

The invention discloses a civil air defense door with high protection performance. The top and bottom of both sides of the installation door frame are welded with installation special-shaped blocks. A heat-absorbing box is installed, and the top of one side of the heat-absorbing box is fixedly connected with an ascending conduit, and one end of the ascending conduit is fixedly connected with a regulating fluid tank at the position corresponding to the top of the door frame, and the middle part of the top of the regulating fluid tank is fixedly connected with a buffer tank, the invention absorbs the heat outside the main body of the protective door through the coolant inside the heat-absorbing box, guides the high-temperature coolant into the cooling box for cooling through the cooling conduits on both sides of the regulating liquid tank, and cools the high-temperature coolant through the cooling box For cooling, the cooled low-temperature coolant is reintroduced from the bottom of the heat-absorbing box through the liquid return pipe, which effectively prevents the heat from the outside of the main body of the protective door from being transferred to the interior of the room, and improves the protective effect of the civil air defense door.

The invention discloses a two-phase flow power heat pipe system which is mainly formed by a condenser, an evaporator, a first two-phase flow stabilizer, a second two-phase flow stabilizer, a circulating pump and a circuit control element. Two heat exchanger, i.e. the condenser and the evaporator, aim to implement energy transportation; the first two-phase flow stabilizer and the second two-phase flow stabilizer have the functions of firstly implementing gas-liquid separation and slow storage of a working medium and then reasonably distributing the flow proportions of a liquid working medium and a gas working medium in a circulating loop so as to form stable working medium two-phase flow in the circulating loop and improving the efficiency of a heat pipe; and the circuit control element is used for controlling the operation state of the system. According to the power heat pipe system, by the design of the two two-phase flow stabilizers and the circulating pump, the problems of incomplete gas-liquid separation and insufficient circulating power in heat-pipe heat exchange equipment are solved and the working efficiency and the practicality of the heat pipe are improved; and the adopted integral system device has simple structure and is environmental-friendly.