11results about How to "Avoid serious waste" patented technology

The invention relates to an air conditioning device of a building unit, and particularly discloses an energy-saving and emission-reducing air conditioning structure of a green building. The air conditioner comprises a building body, an outdoor air inlet, an outdoor air outlet, an indoor air outlet, an indoor air outlet, an air inlet pipeline, an air outlet pipeline and a first heat pipe. Wherein the building main body at least comprises a room unit; the outdoor air outlet is formed in the side, opposite to the outdoor air inlet, of the exterior of the room unit. The indoor air outlet is formed in the position, close to the ceiling, of the top of the wall body on the side opposite to the indoor air outlet in the room unit; at least part of the exhaust pipeline is in contact with the air inlet pipeline; the number of the first heat pipes is multiple, the multiple first heat pipes are evenly distributed at the position where the exhaust pipeline makes contact with the air inlet pipeline, one end of each first heat pipe is located in the air inlet pipeline, and the other end of each first heat pipe is located in the exhaust pipeline. The ventilation system has the advantages that heat energy in exhaust air is effectively recycled, energy consumption is reduced, and the energy efficiency of the ventilation system is improved.

The application provides a system for processing excess BOG of an LNG ship, and belongs to the technical field of ships.The system comprises a BOG supply system, an excess BOG utilization system, a flue gas energy storage system, a flue gas energy release system and an inerting system.Based on the complex sailing conditions of a ship, when the LNG ship sails at low load, sails in a maneuvering mode or is anchored, the excess BOG generated in the LNG liquid cargo tank is sent into a boiler for combustion, and then the energy of the excess BOG is converted into the pressure energy of flue gas and stored through a series of devices, so that the problem of waste of the BOG in the excess state is effectively solved; when the ship sails at high load or is unloaded at a discharge port, the energy of the flue gas is released, so that the energy of the BOG is reused.In addition, the stored flue gas can also be used for inerting of low-temperature pipelines and equipment at normal temperature or at a temperature of 0 DEG C to -60 DEG C, so that the inerting cost of the ship is reduced.

The utility model relates to the technical field of flexible foam polyether polyol processing and production, in particular to a flexible foam polyether polyol reaction kettle vacuum unit which comprises a reaction kettle main body, an initiator input pipe is arranged at the top end of the reaction kettle main body, an epoxypropane input pipe is arranged on one side of the initiator input pipe, and an epoxypropane output pipe is arranged on the other side of the epoxypropane input pipe. A vacuum pipeline is arranged on one side of the epoxypropane input pipe and connected with a vacuum buffer tank, the vacuum buffer tank is connected with an input port of a roots pump, an output port of the roots pump is connected with a liquid ring pump, an output port of the liquid ring pump is connected with a spiral heat exchange assembly, an output port of the spiral heat exchange assembly is connected with a high-temperature storage tank, and the high-temperature storage tank is connected with a vacuum pump. An output port of the high-temperature storage tank is connected with a circulating pump, an output port of the circulating pump is provided with a connecting pipe, and by means of the structure of the spiral pipe, the liquid inlet pipe, the liquid outlet pipe, the high-temperature storage tank, the circulating pump and the connecting pipe, the problems that a traditional vacuum unit is low in waste gas waste heat recovery rate, lacks a preheating mechanism for raw materials and is serious in energy waste are solved.

The utility model relates to the technical field of sewage treatment, and disclose a coal mine wharf sewage treatment is with multilayer filtration's clean water pool, including clean water pool body, clean water pool body includes the aeration tank for treating coal mine wharf sewage, is located the collecting piece for collecting gas in aeration tank top, is used for treating the gas after collection's purification device and gas recycling device, and purification device includes dust removal dehydration unit, desulfurization deodorization unit and oxygen enrichment unit, and dust removal dehydration unit, desulfurization deodorization unit and oxygen enrichment unit are sequentially connected and set up. The clean water pool of the application has realized the whole process collaborative treatment of sewage pretreatment, aeration reaction, gas recovery purification and recycling, can effectively remove coal dust, water vapor, hydrogen sulfide, volatile organic compounds and other pollutants in gas, and improve oxygen concentration, both avoid secondary pollution, and realize the resource recovery of coal dust.

The utility model discloses a color paint stirring device of convenient unloading mechanism, including support connecting frame still including setting mobile wheel at support connecting frame bottom, setting stirring jar body in support connecting frame inside, fixedly connected installation connecting seat of support connecting frame one side. Solve the problem of serious raw material waste when traditional device unloads, reduce the additional solvent needed for cleaning, reduce the cost. At the same time, reduce the residual time -consuming cleaning, shorten the unloading and cleaning time, improve production efficiency, avoid the delay of construction period when cleaning during multiple batch production. In addition, reducing the residual can prevent the pollution of the next batch of materials, ensure the stable product quality, reduce the risk of scrapping caused by deterioration, also can reduce the corrosion and wear of color paint residual to equipment, reduce mechanical failure, reduce maintenance cost, prolong the service life of equipment, also reduce the security risk of manual cleaning contact with harmful substances, reduce the labor intensity, be favorable to production management and improve enterprise competitiveness.

The embodiment of the invention provides a method, a device and equipment for updating a front-end application, relates to the technical field of computers, and is used for realizing real non-perceptual updating, improving user experience, saving resources and improving updating efficiency. The method comprises the following steps: acquiring a state snapshot of a target application during current operation; performing semantic analysis and dependency analysis on the application file of the new version application of the target application and the application file of the old version application of the target application, calculating a minimum difference set between the new version application and the old version application of the target application, and generating a difference package; carrying out compatibility detection on the new version application and the old version application to obtain a compatibility detection result; when the compatibility detection result represents that the new version application is completely compatible with the old version application, hot updating is conducted on the target application based on the state snapshot and the difference package, an updating result of the target application is obtained, and user interface operation is not interrupted in the hot updating process.

The invention discloses a high-efficiency energy-saving industrial flue gas multi-stage dedusting and purifying system, which relates to the technical field of industrial waste gas treatment and flue gas purification, and comprises a dynamic pressure rectification recharge unit, a vortex inertia grading unit, a pulsating charge trapping unit, a dew point crossing condensation polishing unit and a tail gas pressure stabilizing and discharging unit which are sequentially communicated along the flue gas flow direction. According to the dynamic pressure rectification recharge inlet flow stabilizing structure, flue gas entering the system is subjected to rectification, speed reduction and pressure energy recovery, disordered turbulent flow is converted into a stable flow field, and an inlet dynamic pressure part is recharged to a pressure stabilizing ring to realize energy reutilization; the problems that traditional purification equipment is high in inlet turbulence, large in local pressure loss, high in fan load and uneven in airflow distribution are solved, inlet disturbance and total pressure loss of the system are reduced, the operation stability of a follow-up grading dust removal unit is improved, meanwhile, induced air power consumption is reduced, and the energy-saving performance of the system is improved.

The utility model relates to an oil injection device of an oil storage bag for a magnetic separator, which is characterized by comprising an oil injector body, a foot margin support, a support frame, an oil injection mechanism and the oil storage bag, the oil injector body is fixed at the upper end of the foot margin support, the oil injection mechanism comprises a lifting adjusting assembly and a driving mechanism, and the lifting adjusting assembly comprises a piston, a threaded guide column and a scale. The lower end of the threaded guide column is fixedly connected with the piston, the scale is an inverted-L-shaped scale, the outer end of the cross rod is connected with the upper end of the threaded guide column, and a vertical rod of the scale and the threaded guide column are arranged on the outer side of the oil injector body in parallel; the driving machine is composed of a motor, a worm gear and a worm, an oil outlet hole is formed in the middle of the bottom of the oil injector body and communicated with an oil filling pipe, and a control valve is arranged on the oil filling pipe. The automatic oiling device has the advantages that the problem that manual oiling is very difficult is solved; the problems that the oil injection amount and the oil injection interval time cannot be quantified, and glycerol is wasted seriously are solved, oil injection work is more convenient and reliable, and time and labor are saved.

This invention discloses a vehicle status management method and device based on neutral coasting engine shutdown control. The method includes determining whether the vehicle meets the conditions for entering neutral coasting based on the vehicle's operating status information; when the conditions for entering neutral coasting are met, controlling the transmission to engage neutral and determining whether the vehicle meets the conditions for allowing engine shutdown based on the vehicle status information; when the conditions for allowing engine shutdown are met, controlling the engine to shut down to allow the vehicle to enter a coasting mode with engine shutdown; in the coasting mode with engine shutdown, determining whether the conditions for exiting the coasting mode with engine shutdown are met based on the vehicle status information and driver operation signals; when it is determined that the conditions for exiting the coasting mode with engine shutdown are met, controlling the engine to restart and controlling the transmission to engage the target gear to restore vehicle driving. This method can achieve engine shutdown coasting while ensuring braking safety, steering controllability, and power system reliability, while also taking into account fuel economy and hardware protection, and improving driving smoothness.

The utility model belongs to photovoltaic equipment cleaning technical field, concretely relates to a water -saving photovoltaic panel cleaning device based on centrifugal water and sand separation, including a plurality of photovoltaic panels, the upper portion of which is provided with a spraying assembly, the lower portion of which is provided with a water receiving assembly, the water receiving assembly is connected with the water and sand separation assembly, the water and sand separation assembly is connected with the water circulation assembly, the water circulation assembly is connected with the power system, and the power system and the water circulation assembly are electrically connected with the control system; the device is integrated with the spraying assembly, the water receiving assembly, the water and sand separation assembly, the water circulation assembly, the power system and the control system, realizes the closed loop recycling of cleaning water, reduces water resource consumption, and can efficiently remove sand particles through the centrifugal water and sand separation technology, reduces the risk of nozzle blockage, simultaneously utilizes the structure of photovoltaic panel self -power supply and is applicable to the area without power grid, and the overall structure is simple and reliable, convenient to maintain, is especially suitable for the efficient operation and maintenance of photovoltaic power station in arid sand area, and gives consideration to water saving, economy and environmental adaptability.

The application discloses an energy-saving paper drying processing device with waste heat recovery, which comprises a drying box and a plate heat exchanger. A fixing rod is fixedly connected to the center of the top of the drying box. The drying box is fixedly connected with the plate heat exchanger through the fixing rod. Drying cavities are formed in the upper and lower sides of the inside of the drying box. A plurality of gas outlets are formed in the sides corresponding to the two drying cavities. The gas outlets and the inner cavities of the drying box are in interpenetrating arrangement. A, B, C and D installation pipes are arranged at the bottom of the plate heat exchanger. Transmission mechanisms are arranged on the front and back sides of the drying box. The plate heat exchanger realizes countercurrent heat exchange of drying waste gas and fresh air. The high-temperature wet waste gas discharged by drying transfers heat to normal-temperature fresh air entering the system in the heat exchanger, so that the fresh air is preheated before entering the main heating device, the energy consumption of the main heating device is greatly reduced, and the problems of direct discharge of waste gas heat and serious energy waste in the prior art are effectively solved.