9results about How to "Realize self-circulation" patented technology

The utility model discloses a solar full-spectrum-driven zero-carbon air conditioning system which comprises a solar photovoltaic system, a dehumidifier and a reverse-flow dew-point evaporative cooler. The solar photovoltaic system comprises a solar photovoltaic panel, a storage battery and a water tank, and a water cooling plate is arranged on the solar photovoltaic panel; the storage battery is used for storing electric energy generated by the solar photovoltaic panel and supplying power to the fan, and the water cooling plate is used for collecting heat generated by the solar photovoltaic panel and storing heated water in the water tank; the dehumidifier adopts an MOFs material as a desiccant and comprises two dehumidification modules, and the two dehumidification modules adopt a dehumidification-desorption alternate cycle working mode and alternately execute dehumidification operation and regeneration operation; the reverse-flow dew-point evaporative cooler comprises a dry channel and a wet channel, dry air dehumidified by the dehumidifier is divided into two parts at the tail end of the dry channel after passing through the dry channel, one part serves as working air to enter the wet channel to promote evaporation of a water film on the surface of the wet channel, and the other part serves as product air to be exhausted.

The utility model discloses a fabric degradation testing device, and belongs to the technical field of fabric detection equipment. Which comprises an external box, an operation panel is arranged on one side of the external box, lifting seats are arranged on the two sides of the bottom of the external box, and is characterized in that observation openings are formed in the top and the three side faces of the external box, a top plate for sealing the observation openings in the top is arranged on the top of the external box, and the lifting seats are arranged on the top of the external box. A plurality of discharging grooves are formed in the top of the top plate; according to the utility model, the external box with the three observation openings is arranged, the insertion groove and the side flaring are respectively formed in each observation opening and are used for preventing two transparent glass plates for observation, and meanwhile, the heat preservation cover and the test box in the external box are both made of glass plates with relatively high light transmittance, so that the internal decomposition condition can be well observed; meanwhile, a plurality of layers of glass plates are arranged to achieve good heat preservation and moisture preservation effects.

This invention proposes a large-scale vertical motor thrust head and lubrication and cooling system based on phase change self-circulation, belonging to the field of vertical motor lubrication and cooling technology. It solves the problems of complex installation, high water consumption, high leakage risk, and high cost inherent in existing large-scale vertical motor thrust and guide bearing lubrication and cooling systems. The guide bearing is assembled and installed on the inner wall of the base and outer cover assembly, while the thrust bearing is assembled and installed at the bottom inside the base and outer cover assembly. The lower end face of the thrust head fits into the thrust bearing assembly to form a thrust sliding pair, and its lateral outer circular surface contacts the guide bearing assembly to form a guide sliding pair. The inner hole of the thrust head is connected to the main shaft and rotates synchronously with the main shaft. Phase change material fills the internal cavity of the thrust head, and a spiral finned cooler communicates with the internal cavity of the thrust head. This invention combines the phase change heat transfer characteristics of the phase change material to achieve a self-cooling cycle without external cooling water and power, simplifying the equipment structure, reducing operating costs, and improving system stability and service life.

The present application relates to a kind of transformation condensate resource utilization method.The method includes the following steps: S1, after mixing with sulfuric acid, the transformation condensate is carried out decarburization treatment, and the crude ammonium sulfate solution is obtained;S2, under the action of catalyst, the crude ammonium sulfate solution is reacted with oxidizing agent, and the refined ammonium sulfate solution is obtained;Oxidizing agent includes one or more of hydrogen peroxide, ozone and persulfate.The method of the present application is suitable for different scale transformation condensate treatment process, and has the following characteristics: waste material recycling, recovery rate is more than 99.0%, product added value is high, and economic benefit is good;Avoid the phase change process of water, and energy consumption is less, energy saving and emission reduction;Process flow is simple, and processing efficiency is high;Avoid secondary pollution;Help coal chemical industry enterprise to realize plant material self circulation, and generate good economic benefit by-product.

The utility model discloses a pipeline anti-freezing system. The pipeline anti-freezing system comprises a plurality of solar heat collection plates, a heat collection water tank, a heat storage water tank, a first water pump and a heat exchange device. And an outlet valve and an inlet valve are respectively arranged at an outlet and an inlet of each solar heat collection plate. The heat collection water tank is higher than the solar heat collection plate, and the heat collection water tank communicates with a water outlet of the solar heat collection plate through a first water inlet pipe and communicates with a water return opening of the solar heat collection plate through a first water return pipe. The heat storage water tank communicates with the heat collection water tank through a second water inlet pipe and a second water return pipe to form a water circulation loop. The first water pump is installed on the second water return pipe. A hot fluid inlet and a hot fluid outlet of the heat exchange device both communicate with the hot water storage tank, and a cold fluid inlet and a cold fluid outlet of the heat exchange device both communicate with a fire fighting pipeline. According to the pipeline anti-freezing system, the maintenance cost of a tunnel fire fighting system is greatly reduced, and self-circulation is achieved between the solar heat collection plate and the heat collection water tank through the density difference between hot water and cold water.

The present invention provides an electroplating apparatus and method for prolonging the service life of a circulating electroplating solution by isolating external oxygen. The apparatus includes: an open electroplating tank; a sealed liquid storage tank with electroplating solution stored therein, injected with N2 and maintained at a preset pressure; a liquid injection, reflux and overflow pipeline connecting the electroplating tank and the liquid storage tank, with U-shaped liquid seals provided on both the reflux and overflow pipelines; an N2 pipeline for providing an oxygen-isolated environment for the electroplating solution reflux channel; a bypass pneumatic valve for opening after the N2 pipeline releases N2 to balance the N2 pressure in the liquid storage tank. The present invention innovatively proposes a brand-new open electroplating tank body device structure and electroplating solution circulation system. By controlling the N2 pipeline and using the U-shaped liquid seal, the air in the reflux and overflow pipelines can be discharged and the overall system can be helped to isolate air and oxygen. With the help of the bypass pneumatic valve, etc., the pressure generated by the input of N2 into the liquid storage tank can be balanced, enabling the reflux electroplating solution to flow back to the liquid storage tank by gravity. Moreover, the maintenance of the N2 pressure in the liquid storage tank can maintain a zero or low oxygen environment.

The application provides a compressor air intake cooling system and compressed air energy storage system, and belongs to the technical field of compressed air energy storage. The compressor air intake cooling system comprises a compressor, a double-fluid nozzle integrated component, a gas supply path and a liquid supply path. The compressor has an air inlet and an air outlet. The double-fluid nozzle integrated component is installed on the air inlet, and the outlet of the double-fluid nozzle integrated component is communicated with the air inlet. One end of the gas supply path is connected with the gas channel of the double-fluid nozzle integrated component, and the other end is connected with the air outlet. One end of the liquid supply path is connected with the liquid channel of the double-fluid nozzle integrated component, and the other end is connected with a cooling liquid storage device. The double-fluid nozzle integrated component is used to provide a lower pressure without high temperature, so that a high gas-liquid flow rate difference can be realized, liquid fine atomization can be realized, the lower pressure can effectively reduce the nozzle wear rate, the maintainability can be improved, the installation requirements of the pipeline and equipment can be reduced, and the reliability and safety of the system can be improved.

The invention relates to the technical field of lithium battery material drying, in particular to cold air self-circulation high-airtightness lithium battery material drying equipment. Comprising a sealed box body, and a drying chamber is arranged in the sealed box body. Dry cold air of the drying equipment obliquely purges the pole pieces from the multiple sets of air blowing assemblies to take away moisture, then the dry cold air is reflected and diffused through the pole pieces, the multiple sets of flow guide plates with the inner walls being cambered surfaces on the two sides of the pole pieces can guide reflected airflow into the air suction grooves, and the first baffle and the second baffle can block airflow diffusion; by means of the technical scheme, after the pole piece is dried by the dry cold air, the dry cold air can still carry the cold air to enter the refrigeration and dehumidification module, self-circulation of cold air drying is achieved, new pollution caused by contact between the cold air and outside air is avoided, the using effect of the drying equipment is improved, and energy consumption of refrigeration and dehumidification work is reduced.