30results about How to "Lower the cooling water temperature" patented technology

The invention discloses a nano-diamond automatic repair liquid for a reciprocating piston engine. The liquid is characterized by being prepared by the following steps: (1) adding a nano-diamond into a dispersant OP-10, stirring for over 20 minutes, then standing, and after bubbles fully disappear and black precipitates appear at the bottom, pouring out a supernate, wherein the nano-diamond is a spherical particle, the grain size of which is 2-4n, and the addition proportion of OP-10 and the nano-diamond is 0.8-1.2mg of nano-diamond per L of OP-10; and (2) adding the supernate into lubricating oil, and stirring and mixing to obtain the automatic repair liquid, wherein the weight ratio of the supernate and the lubricating oil in percentage by weight is (10-30%):(90-70%). The nano-diamond in the automatic repair liquid is good in dispersing effect and stable and can be placed for a long time. The repair liquid is simple in formula, low in cost and simple in preparation method.

The invention discloses an optimized single-side air inlet induced draft tower. The induced draft tower comprises a tower body, fans and padding. An air inlet is formed in the tower body. The paddingis divided into a windward side padding body and a leeward side padding body. The distance between the center lines of the fans and the windward side inner wall surface of the tower body is B3, and the distance between the center lines of the fans and the leeward side inner wall surface of the tower body is B4 (please see the ratio of B3 to B4 in the specification). By optimizing the parameters such as the fan arrangement position, the height of the air inlet, the height and width of the padding and the water spraying density, the inlet air dead zone is reduced, and the inlet air in the toweris optimized; and the cooling effect of a rain area and the padding in the tower is fully utilized, so that the cooling performance of the entire induced draft tower is improved.

The invention discloses a dual-fuel low-speed machine cooling system on an LNG power ship. The system comprises: an LNG gasification module, wherein the LNG gasification module comprises two sides capable of conducting heat exchange, one side of the LNG gasification module is connected into natural gas flow paths in series, and the other side of the LNG gasification module is connected into ethylene glycol flow paths in series; a cooling system heat exchanger, wherein the cooling system heat exchanger comprises two sides capable of exchanging heat, one side of the cooling system heat exchangeris connected into the ethylene glycol flow paths in series, and the other side of the cooling system heat exchanger is connected into fresh water flow pathes in series; and a dual-fuel low-speed machine. Cold energy generated by LNG fuel on the LNG power ship is recycled, the cold energy is transmitted to the dual-fuel low-speed machine cooling water system, and the purposes of reducing the dual-fuel low-speed machine cooling water temperature, optimizing and propelling the energy consumption index of the dual-fuel low-speed machine and improving the environmental friendliness are achieved.

The invention relates to a furnace cap water-cooling device for a converter and belongs to the technical field of auxiliary devices of a converter. The furnace cap water-cooling device for the converter comprises a steel tube arranged on the outer surface of the furnace cap; the steel tube is divided into at least three sections along the circumference of the furnace cap; the sections of the steel tube are arranged in a snake shape at intervals along the outer surface of the furnace cap and are provided with a gap for accommodating a slag-blocking skirt support plate respectively; and head and tail ends of each section of the steel tube are connected with a water inlet pipe and a water outlet pipe respectively. The cooling water in each section of the steel tube of the furnace cap water-cooling device for the converter only densely flows through a smaller region of the outer surface of the furnace cap, so that the circulation of the cooling water is accelerated, the area covering the outer surface of the furnace cap is increased, and the water temperature is reduced. Therefore, the cooling effect of the furnace cap is greatly improved.

The invention discloses a modular area cooling system. The cooling system comprises a cooling system, a refrigerating and cold storage system and a variable frequency distribution pump system, whereinthe cooling system comprises a waste heat source pipeline, a waste heat absorption type water chilling unit a1, a cooling system waste heat absorption type water chilling unit a2 and a cooling waterconveying water pump BQ; the refrigerating and cold storage system comprises a water-cooled electric cooling water chilling unit b1, a water-cooled electric cooling water chilling unit b2, a water-cooled electric cooling water chilling unit b3, an electric butterfly valve v1, an electric butterfly valve v2, an electric butterfly valve v3, an electric butterfly valve v4, a cold storage tank, a water distributor and a chilled water secondary pump BL; the cooling water conveying water pump BQ is used for conveying cooling water to a cold supply station, and the water-cooled electric cooling waterchilling units b1, the water-cooled electric cooling water chilling unit b2 and the water-cooled electric cooling water chilling unit b3 are used for extracting cooling water according to requirements by utilizing split cooling water pumps and utilizing the cooling water step by step; and the water-cooled electric cooling water chilling unit b1, the water-cooled electric cooling water chilling unit b2 and the water-cooled electric cooling water chilling unit b3 are connected with the cold accumulation pool in series and in parallel in a switched operation working condition through the electric butterfly valve v1, the electric butterfly valve v2, the electric butterfly valve v3 and the electric butterfly valve v4. According to the system, the installed capacity and the running efficiency of the cold supply station can be improved, and the advantages of intensive cooling, intensive energy utilization and efficient utilization of energy can be brought into full play.

The invention provides a wax mold manufacturing cold water device. The wax mold manufacturing cold water device comprises an overflow pipe, an ice block box, a spill pipe, a water inlet groove, a fanand a control panel box; a cold water tank main body is totally rectangular, and the left end is welded with the ice block box; four support legs are symmetrically supported at the left and right endsof the bottom of the cold water tank main body; the tail section of a water absorbing pipe is bent to the left side, and is lifted in the right side position of a base plate of the cold water tank main body in a through welding mode; two leakage plates are provided with multiple leakage grooves at equal intervals in a penetrating mode; a water pump is locked and fixed in the middle position of the outer wall of the left side of the ice block box through screws; and a mold frame is provided as a carrier of a wax mold cylinder, and can support the wax mold cylinder to dip in cooling water in the cold water tank man body for cooling wax liquid in the wax mold cylinder.

The invention discloses a large temperature difference cold water composite cascade utilization system based on waste heat utilization, including a waste heat absorption type large temperature difference cascade refrigeration system, a chilled water cascade utilization system, a cooling water cascade utilization system, and a regional cooling user system, waste heat absorption type large temperature difference The cascade refrigeration system supplies cold water to the chilled water cascade utilization system through pipelines, the chilled water cascade utilization system supplies cold water to the cooling water cascade utilization system through pipelines, the cooling water cascade utilization system supplies cold water to the regional cooling user system, and the cooling water cascade utilization The hot water in the system flows back to the waste heat absorption type large temperature difference cascade refrigeration system for cooling. The invention utilizes waste heat from thermal power plants to perform absorption refrigeration, realizes waste heat and waste heat cascade utilization, improves primary energy utilization, increases return water temperature, increases supply and return water temperature difference in regional cooling systems, expands cold water use temperature difference, and greatly reduces cold water circulating water volume. Reduce the energy consumption and cooling loss of pipe network transportation, and reduce the energy consumption of cold water pipe network transportation.

The invention relates to a nitrogen yield increasing method and device for use in an air separation plant, particularly to the improvement of a nitrogen water precooling system for use in the air separation plant. The nitrogen flow of the nitrogen water precooling system is reduced and the nitrogen is guided into a nitrogen compressor for future use. In order to enable gas entering into a molecular sieve absorption system to be without higher saturated water vapor, the absorption effect is reduced. The nitrogen yield increasing method improves the refrigerating capacity of a refrigerator and can reduce the temperature of the cooling water entering in an air cooling tower and the temperature of the air exiting from the air cooling tower, enhance the cooling effect of the air cooling tower and therefore increase the yield of nitrogen products. According to the nitrogen yield increasing method provided by the invention, the usage amount of air separation units can be reduced, and with respect to the increment of the usage amount or capacity of refrigerators although, more energy consumptions can be saved.

The invention discloses an in-plant comprehensive utilization system and method for natural gas pressure energy of a combined cycle power plant. The system comprises a natural gas power generation/refrigeration system, an in-plant comfort cooling system, a circulating cooling water heat exchange system and a gas turbine. The natural gas power generation/refrigeration system and the gas turbine areconnected in parallel and are both connected with a natural gas pipeline. A gas outlet of the natural gas power generation/refrigeration system is connected with a gas inlet of the gas turbine. Electric energy generated by the natural gas power generation/refrigeration system is used for providing electric energy, and prepared cold water is connected with the in-plant comfort cooling system and the circulating cooling water heat exchange system. According to the system, the back pressure of a steam turbine can be reduced, the output of the steam turbine can be improved, and finally comprehensive utilization of the energy is achieved.

The invention relates to the technical field of microwave generation devices, and discloses a high-power intelligent microwave generator. The high-power intelligent microwave generator includesa microwave generator internal control module, a water supply detection and control module, a power utilization monitoring and control module, a load monitoring power matching module, an incoming reflection detection and protection module, a standing wave automatic adjustment module, a remote monitoring module, an unattended module and a plurality of online control modules. According to the high-power intelligent microwave generator, the disadvantages of an existing microwave generator are comprehensively complemented, so that the functions of the microwave generator are more diversified, the whole microwave generator is more intelligent, and the problems that an existing micronized wave generator does not have effective water supply detection, operation conditions cannot be detected, and power supply cannot be limited and the electric quantity cannot be controlled due to the lack of power utilization monitoring, matching automation of a load and microwave power is poor, incident reflection power cannot be effectively detected and protected, the functions of standing wave automatic adjustment and generator remote monitoring are lacked, and unattended intelligent industrial requirements cannot be met are solved.

The invention discloses a heat preservation type cooling system which comprises a cooling tower, a water pump, a water chilling unit, a circulating water pump, a heat storage water tank and a solar panel. A water distribution disc, a filler and a water collection disc are arranged in the cooling tower from top to bottom, the water collection disc, the water pump and the water chilling unit are sequentially communicated through pipelines, and the water outlet end of the water chilling unit leads to the water distribution disc; a groove is formed in the water collecting tray, and a heating device is arranged in the groove; the circulating water pump, the heat storage water tank and the water collecting tray are communicated through pipelines, a water tank heating device is arranged in the heat storage water tank, and the solar panel is connected to the water tank heating device. The method has the advantage that the defects of long heating time, potential safety hazards and the like are overcome.

The invention discloses a cooling system with an energy-consuming bubbler. The cooling system comprises a cooling tower, a water pump, a water chilling unit and the energy-consuming bubbler, the cooling tower is internally provided with a water distribution disc, a filler and a water collection disc from top to bottom, and the water collection disc, the water pump, the water chilling unit and the energy-consuming bubbler are sequentially communicated through a pipeline; the energy-consuming bubbler is located above the water distribution disc and comprises an energy-consuming barrel and a bubbling net located in the energy-consuming barrel, and water from the water chilling unit flows to the bubbling net through a pipeline and flows into the water distribution disc through the energy-consuming barrel. The device has the advantages that the cooling water flow impact can be reduced to the safety degree, it is guaranteed that cooling water does not overflow out of the tower, and stable operation of a water chilling unit is guaranteed.