71results about How to "Lower heating costs" patented technology

The invention provides a sunlight greenhouse structure based on a self-heat-preservation material and a construction method. The sunlight greenhouse structure comprises a sunlight room, a greenhouse is arranged in the sunlight room, a photovoltaic power generation system is arranged on the sunlight room, and a ventilation system is arranged between the greenhouse and the sunlight room; a front wall, a rear wall and side walls on the periphery of the greenhouse are formed by pouring composite wall bodies in a layered mode, a concrete core wall is arranged inside the composite wall bodies, heat preservation walls are arranged on the inner side and the outer side of the composite wall bodies, a double-layer framework is arranged on the top of the greenhouse, a film covers the upper-layer framework, the periphery of the film is tightened and fixed to the wall bodies, and a quilt rolling machine and rolled cotton quilts are arranged on the lower-layer framework. The cotton quilt covers the lower-layer framework; and a heat storage device is arranged on a rear wall directly irradiated by sunlight in the greenhouse. By means of the composite wall body and the multi-point fixing design, the structural stability and the excellent heat preservation performance of the greenhouse are guaranteed. Modularized construction and multi-point fixing design enable construction to be convenient and fast and maintenance to be simple. Environment-friendly materials and an intelligent control system are adopted, so that energy consumption is reduced, economic benefits are improved, and sustainable development is promoted.

The invention belongs to the technical field of water heating devices, discloses a dual-energy water heating device and a control system thereof, and is used for solving the problems that an existing dual-energy water heating device combining gas heating and heat pump heating is low in heat exchange efficiency, too complex to control and not high in intelligence. The dual-energy water heating device is provided with the gas heating system and the heat pump heating system which are independent, two sets of independent heat exchange systems are arranged, the two heating systems do not interfere with each other, independent or combined heating can be achieved, operation control over the dual heating systems is simpler, and the energy consumption is reduced. The two sets of heat exchange systems are adopted for respective heat exchange, so that long-acting work of the heat exchange systems can be guaranteed, and the heat exchange efficiency of different heat exchange systems in different heating systems can be improved; according to the control method for the dual-energy water heating device, different requirements of users and external environment conditions can be responded, and the dual-energy water heating device is automatically controlled to operate in the most suitable heating mode.

The invention discloses an underground continuous oil pipe heating assembly for oil extraction, and relates to the technical field of oil pipe steam heating. An inseparable first hose body is connected to the outer side of a continuous oil pipe body side by side, and a separable second hose body is connected to the tail end of the first hose body; the tail end of the second hose body floats upwards through the columnar air bag, so that after the device is lowered to an underground oil layer, the tail end of the first channel can float upwards to the position above the crude oil level in the underground oil layer, and high-temperature steam can be conveyed from bottom to top through the first channel in cooperation with the operation that a large amount of high-pressure and high-temperature steam is injected into the underground oil layer during SAGD oil extraction; the continuous oil pipe body is heated from bottom to top by means of high-temperature steam, a large number of evenly-distributed electric heating assemblies do not need to be used, installation and use are convenient and fast, and the heating cost during continuous oil pipe oil extraction can be effectively reduced.

The invention discloses double-heat-source equipment and a heating control method and device thereof. The heating mode of the double-heat-source equipment comprises heat pump heating and furnace heating. The method comprises the steps that whether the current outdoor temperature is smaller than or equal to the preset temperature or not is judged; if the current outdoor temperature is smaller than or equal to the preset temperature, a combustion furnace is used for heating; if the current outdoor temperature is larger than the preset temperature, the heating mode needing to be used currently is determined according to the current fuel gas cost and the current electricity utilization cost; switching of heating modes is controlled according to the operation condition of the heat pump in the heat pump heating period; and switching of the heating modes is controlled according to the operation duration of the combustion furnace and the outdoor temperature in the combustion furnace heating period. The heating modes are switched according to the outdoor temperature, the fuel gas cost, the power utilization cost and the actual operation condition of the equipment, the heating mode with the optimal cost and the optimal heating efficiency is automatically switched for operation, energy loss is reduced, manual switching by a user is not needed, excessive greenhouse gas emission caused by excessive use of a combustion furnace is avoided, and the user experience is improved.

The invention provides a cold environment battery pulse current equalization self-heating method based on a mutual inductance transformer, particularly belongs to the technical field of power electronics, and realizes pulse current type heating of any two monomers of a plurality of series battery packs by using a mutual inductance equalizer of the battery packs. The pulse current type heating system can quickly, uniformly and efficiently heat the lithium ion battery, meanwhile, the battery is heated by using the equalizer, and two functions are realized through one system to reduce the cost, so that the heating cost is reduced. The device comprises a diode assembly, an electrode assembly and an inductor assembly, and further comprises a one-way transformer. The diode assembly and the inductor assembly are connected in series to form an equalization unit, the equalization unit and the electrode assembly are electrically connected to form a mutual inductance equalizer, a heating strategy of the energy storage power supply is realized by using the mutual inductance equalization system, and internal heating of the energy storage battery is realized.

The invention discloses a steam circulation system for corrugated board production. The steam circulation system comprises a main control unit, a paperboard drying unit, a steam generation unit and a steam recovery unit, and the steam recovery unit comprises a heat exchange assembly, a power assembly and a gas-liquid separation assembly; the heat exchange assembly comprises a heat exchange water tank, a steam recovery pipeline, a recovery connector and a filter assembly arranged in the recovery connector, the recovery rate of steam heat is increased, meanwhile, the filter assembly is additionally arranged on the heat exchange assembly, steam for drying paperboards is filtered, and therefore the steam recovery capacity is improved; therefore, the steam heat utilization rate is improved, and the heat supply cost is saved.

The invention discloses a heat supply, cold supply and air compression equipment coupling control system and a control method thereof. The heat supply, cold supply and air compression equipment coupling control system comprises a heat energy recoverer; the hot water return side of the heat user is sequentially connected with the low-temperature side of the heat energy recoverer and the heat storage device and returns to the hot water inlet side of the heat user; the air compressor is connected with the high-temperature side of the heat energy recoverer to form a circulation loop; a water inlet on the hot water side of the combined cooling and heating unit is connected with the hot water return side of the heat user; a water outlet on the hot water side is connected to the high-temperature side of the heat energy recoverer; the cold user is connected with the chilled water side of the combined cooling and heating unit to form a circulation loop; the cold user is connected with a water chilling unit in parallel. The problems that energy consumption of an existing enterprise lacks effective integration, waste heat and waste energy are greatly wasted, and the energy cost is high are solved.

The present invention provides a system and method for heat and power cogeneration of a steam turbine waste heat in a solar thermal power station. The system mainly includes a steam turbine, a steam-water heat exchanger, and a compression heat pump. The steam turbine is connected to the steam side of the steam-water heat exchanger through a steam exhaust extraction pipeline, and the water side of the steam-water heat exchanger is connected to the compression heat pump through a circulating water pipeline. The compression heat pump is connected to a heating water pipeline. The latent heat of the steam exhaust from the steam turbine is transferred to the circulating water through the steam-water heat exchanger, and the circulating water with low-grade heat is converted into heating water with high-grade heat through the compression heat pump to provide heat to users, wherein the circulating water with the heat of the exhaust steam is stored in a circulating water storage tank, and the heating water with high-grade heat is stored in a heating water storage tank, and continuous heating is still achieved after the steam turbine is shut down. The present invention effectively improves the heat grade and comprehensive energy utilization rate, realizes peak cooling, solves the attenuation problem of the power station condensation system, and the problem of intermittent waste heat from the solar thermal power station, and is conducive to reducing heating costs and carbon emissions.

The utility model discloses a data center waste heat utilization system based on geothermal energy storage, which comprises a cold mass circulation unit used for cooling a data center, and the cold mass circulation unit exchanges heat with a heat absorption end of a refrigeration circulation unit. The heat release end of the refrigeration cycle unit performs selective heat exchange with the heat supply unit and the underground heat storage unit through the control unit, and the underground heat storage unit performs selective heat exchange with the heat supply unit through the control unit. The heat transfer system formed by the cold mass circulation unit and the refrigeration circulation unit can effectively absorb and transfer waste heat of the data center, efficient utilization of the waste heat of the data center is achieved, and therefore the energy utilization rate is improved. By means of the high-heat-storage shallow soil heat storage system, heat generated by the heat transfer system can be efficiently stored, heat can be preserved for a long time, and heat loss is reduced through the soil heat storage system.

The utility model belongs to the technical field of building equipment, and particularly relates to an assembly type green building construction wall which comprises a construction wall body, and installation assemblies are arranged on the two sides of the construction wall body. The mounting assembly comprises a mounting block, and the mounting block is fixedly connected to one side of the construction wall body. According to the utility model, the mounting assembly is arranged, and the mounting block is matched with the mounting groove, so that during mounting, the mounting block of one construction wall body is aligned with the mounting groove of the other construction wall body to be inserted, and then the screw rod, the gasket and the nut are used for fixing. Compared with a complex installation structure of a traditional fabricated construction wall, the design is simpler to operate, common constructors can master the installation method through simple training, dependence on professional technicians is greatly reduced, meanwhile, installation time and labor cost are reduced, construction efficiency is improved, and the construction cost is reduced. And the modern fast-paced building construction requirements can be better met.

The application relates to a power plant heat supply step control method and device based on dynamic matching of energy efficiency, wherein the method comprises the following steps: collecting at least one operation parameter of a power plant; inputting the at least one operation parameter into a preset energy loss online calculation model, calculating the system energy loss distribution of the power plant and the steam extraction energy threshold meeting a preset minimum condition, and outputting energy efficiency matching reference data; based on the energy efficiency matching reference data, constructing a target function of the power plant, calculating a control sequence meeting a preset optimal condition according to the target function, and in response to the control sequence meeting a preset constraint condition, performing step control on the steam extraction regulating valve opening degree, the heat pump frequency, the heat network pump rotating speed, the heat flywheel bypass valve position and the microcapsule bypass valve opening degree of the power plant, so as to generate a heat supply step control result of the power plant. Therefore, the problems of the related art, such as the absence of high-grade energy ladder matching, the large end difference of drainage, the high rigidity and cost of steam extraction regulation, the insufficient system level cooperation and the like, are solved.

The present application belongs to the technical field of combined heat and power generation, and discloses a plant-level combined heat and power generation unit combined heat supply system and an operation method thereof. The plant-level combined heat and power generation unit combined heat supply system comprises a first ejector, a second ejector, a heat storage heat exchanger, a heat storage device, a first ejector heater, an absorption heat pump, a peak heater, a compression heat pump and a basic heater group. In the present application, the heat network water is heated in the basic heater group, the first ejector heater, the absorption heat pump and the peak heater in stages, and then supplied to the outside, so that the heat exchange loss is reduced, the energy utilization efficiency is improved; by adopting the series connection of the basic heater group, the ejector and the heat pump, the low-temperature waste heat is fully utilized, the consumption of high-grade steam is reduced, and the heat supply cost is reduced; by adopting the heat storage technology and the compression heat pump auxiliary heat supply, the heat supply demand can still be met when the power plant participates in the grid peak regulation, and the heat supply capacity and the heat supply flexibility of the power plant are improved.

The invention provides a process method for preparing superfine calcium carbonate and co-producing ammonium sulfate from ardealite, and relates to the technical field of solid waste treatment and carbon dioxide capture and mineralization utilization. The process method for preparing superfine calcium carbonate and co-producing ammonium sulfate from ardealite comprises the following steps: preparing ammonium carbonate for production; the method comprises the following steps: adding ammonia water or a mixture of ammonia gas and water and an additive into a supergravity carbonization reactor, introducing low-concentration carbon dioxide at the same time, and carrying out chemical reaction to form ammonium carbonate; waste residue size mixing, washing and purifying; the method comprises the following steps: crushing and ball-milling waste residues, blending the waste residues with water to form slurry with the solid content of 20-30%, removing impurities in a reverse flotation device, removing organic matters, soluble impurities and fine mud from overflow, pumping residues into a cyclone separator, filtering the slurry flowing out of the bottom of the cyclone separator, and washing the slurry with a proper amount of water in a washing tank. The process system is low in operation cost, and the product quality is greatly improved.

The invention provides a battery heating method, a battery heating system and a vehicle. The method is applied to a vehicle control unit in a battery heating system of a vehicle, the battery heating system further comprises a motor, a compressor and a compressor, the vehicle control unit is in communication connection with the motor and the compressor, and a refrigerant is used for heat conduction; the method comprises the steps that under the condition that it is determined that a battery pack of a vehicle is heated, the current state information and the environment temperature of the vehicle are determined; a locked-rotor strategy is determined according to the environment temperature and the state information, the locked-rotor strategy is used for controlling target locked-rotor objects in the battery heating system to enter a locked-rotor mode, and the target locked-rotor objects are one or more of a motor and a compressor; and controlling the target locked-rotor object to enter a locked-rotor mode according to the locked-rotor strategy, so that the refrigerant carries heat generated by the target locked-rotor object in the locked-rotor mode to the battery pack to heat the battery pack. The battery pack can be heated in a low-temperature environment without installing a heating element.

The utility model discloses a lamp tube heater for side wall passivation coating equipment, which comprises an annular heater main body used for conducting electricity; the insulating ring is arranged on the upper side of the heater main body and is used for insulating; the reflecting plate is arranged on the lower side of the heater main body and is used for reflecting heat; the lamp tubes are arranged on the lower side of the heater main body, are distributed on the reflecting plate in a fan shape and are used for releasing heat for heating; a lower connecting piece is arranged below each lamp tube, an upper connecting piece is arranged above each lamp tube, and the lower connecting pieces and the upper connecting pieces enable the lamp tubes to be connected with the heater body. And the electrode is arranged in the insulating ring and is used for supplying power to the lamp tube heater, and a metal ring is also arranged in the heater main body. According to the lamp tube heater provided by the utility model, the arrangement is simple, the process is convenient, the heating cost is reduced, and the production efficiency is improved.

The present invention discloses a method for optimizing heating cost of a gas-fired air-source heat pump based on climate compensation, and relates to the technical field of heating cost optimization. The method comprises the following steps: S1, collecting the outdoor temperature of a heating area and the indoor temperature of a building in the heating area; S2, analyzing the heat load of a building to maintain a specified indoor temperature under different outdoor temperature conditions; S3, obtaining the unit parameters of a gas-fired air-source heat pump, and establishing a unit efficiency model; S4, formulating climate compensation rules to match the target temperature required to be maintained by various types of buildings under future outdoor temperature conditions; S5, optimizing the supply task based on the unit efficiency model and the amount of heat supplied, and analyzing the future amount of gas supplied in the heating area. The present invention dynamically adjusts the heating system parameters, optimizes the heating strategy, and maximizes the utilization of the unit efficiency, thereby improving the flexibility and response speed of the heating system, reducing the heating cost, and improving the user's comfort.

The application discloses a solar energy coupled electric auxiliary heat supply system and a control method, and relates to the field of heat exchange heat supply.The solar energy coupled electric auxiliary heat supply system comprises a heat storage water tank, a solar energy collector, a primary electric heater and a secondary electric heater; and the control method comprises the following steps: in a valley electricity time period, heat supply is preferentially performed by the solar energy collector, and when the heat supply heat is insufficient, the primary electric heater is started; in a time period before the valley electricity time period ends, meteorological data is predicted and used to calculate the heat supply capacity of the solar energy collector in a next peak electricity time period, and whether the secondary electric heater needs to be started to heat the heat storage water tank is judged according to the heat supply capacity; and in the peak electricity time period, only the solar energy collector is started to perform heat supply.Compared with the prior art, the application has the beneficial effect that the difference between peak electricity price and valley electricity price is fully utilized, and the electric auxiliary heat is not started in the peak electricity time period, so that the heat supply cost of the system is greatly reduced.

The utility model relates to the technical field of phosphate fertilizer wrapping agent processing equipment, in particular to a phosphate fertilizer wrapping agent producing and blending tank which comprises a tank body, a first coil pipe and a second coil pipe are arranged in the tank body, a set of bottom coil pipe is arranged at the bottom of the tank body, and a first feeding port and a second feeding port are formed in the two sides of the top of the tank body respectively. A first stirring paddle is arranged in the middle of the first coil pipe, a second stirring paddle is arranged in the second coil pipe, and a first blended material outlet, a second blended material outlet and a third blended material outlet are sequentially formed in the outer wall of one side of the tank body from bottom to top. According to the phosphorus fertilizer wrapping agent production blending tank, through scientific layout of the heating coil pipes and the coil pipes at the inner part and the bottom part, efficient and uniform heating of mixed materials in the tank body is realized. The technical effects are mainly reflected in the following aspects: firstly, the heating facilities inside and at the bottom of the tank body effectively reduce the heat loss, and the heating efficiency is greatly improved, so that the heat supply cost is reduced;

The utility model relates to an air separation unit precooling system suitable for a cold region. The air separation unit precooling system comprises an air compressor, a hot water heat exchanger, an air cooling tower and a water cooling tower, an air outlet of the air compressor is communicated with an air inlet of the hot water heat exchanger; an air outlet of the hot water heat exchanger is communicated with an air inlet of the air cooling tower; the hot water heat exchanger is provided with a circulating hot water inlet and outlet communicated with a hot water station; the air cooling tower comprises a cooling water section and a chilled water section, the chilled water section is provided with a chilled water inlet and is communicated with the chilled water outlet of the water cooling tower, the cooling water section is provided with a circulating cooling water inlet, an air inlet of the air cooling tower is arranged below the cooling water section, and an exhaust pipe is arranged at the top end of the air cooling tower; and the chilled water outlet of the water cooling tower is upwards provided with a waste nitrogen inlet and a circulating water supply inlet in sequence. According to the utility model, the power consumption for conveying cooling water of the air cooling tower is reduced, the consumption for heating hot water by using steam in a traditional hot water station is reduced, the heat utilization rate of the whole device is improved, and the operation cost of a factory is effectively reduced.

The present invention relates to the field of mine ventilation technology, specifically to a multi-area ventilation intelligent control method for complex goaf areas, comprising the following steps: based on the goaf ventilation field survey data, calibrating the economic indicators and ventilation efficiency of existing ventilation technologies, recording existing underground data, and evaluating the ventilation efficiency based on the existing data to generate a ventilation efficiency baseline. In the present invention, the mine ventilation system is optimized by using digital simulation and computer simulation to meet the specific needs of different mining areas, and the air leakage problem in the shallow goaf is reasonably blocked and guided, reducing the backflow of blasting smoke, increasing the effective air volume of the mine, ensuring the safe production of the mine, and making the fan operation efficiency of the mine area reach 79.7% and 75.9% respectively, realizing the energy-saving and efficient operation of the mine ventilation system, introducing the intelligent ventilation remote control system, reducing the safety hazards of manual operation and blasting smoke poisoning, and enhancing the safety management of underground large-scale blasting operations.

The utility model discloses a battery heating and heat preservation device. The device comprises a first battery module, a second battery module, a first single-pole switch, a second single-pole switch and a boost control module, the negative electrode of the first battery module and a first wiring terminal of the boost control module are both connected with the first end of the first single-pole switch, and the positive electrode of the first battery module and a second wiring terminal of the boost control module are both connected with the first end of the second single-pole switch. The second end of the second single-pole switch is connected with a fourth wiring terminal of the boost control module and the positive electrode of the second battery module. The negative electrode of the second battery module and the third wiring terminal of the boost control module are connected with the second end of the first single-pole switch. Wherein the boost control module is used for regulating and controlling the voltage between the first battery module and the second battery module so as to generate a voltage difference, and the battery is enabled to generate current and disturbance temperature rise through the voltage difference. According to the utility model, the heating efficiency is improved, the space cost and the heating cost are reduced, and the safety and the reliability are also greatly improved.

The wall body is arranged in a hollow area of an outer wall of the building and comprises a prefabricated wall plate and a rotating shaft, a heat storage layer, a structural layer and a heat insulation layer are sequentially stacked to form the prefabricated wall plate, and the rotating shaft penetrates through the structural layer so that the prefabricated wall plate can rotate around the rotating shaft. When sunlight heat needs to be absorbed, the prefabricated wall panel rotates to be switched to a heat collection state, the heat storage layer faces the exterior of the building, and therefore the sunlight heat is fully absorbed; when the prefabricated wall panel needs to release the stored heat into the building, the prefabricated wall panel rotates to be switched to the heat release state, the heat storage layer faces the interior of the building, and therefore the stored heat is released into the interior of the building, and the purpose of supplying heat to the interior of the building is achieved. Therefore, the rotatable prefabricated heat collecting wall body is beneficial for achieving the purposes of reducing indoor heating energy consumption and achieving low-carbon and healthy building. In addition, the wall body is a prefabricated part, so that the construction process is simplified, and the construction efficiency is improved.

The utility model relates to the technical field of steam turbine heat supply, and discloses a steam turbine sub-cylinder collaborative cascade heat supply system which comprises a medium-pressure steam conveying pipeline, a medium-pressure cylinder, an industrial steam supply assembly and a coordination assembly. The medium-pressure steam conveying pipeline is connected with a steam inlet of the medium-pressure cylinder; the industrial steam supply assembly comprises a first pipeline, a first valve and an industrial steam supply pipeline; a steam outlet of the medium-pressure cylinder is connected with an industrial steam supply pipeline through a first pipeline, and a first valve is arranged on the first pipeline; the living steam supply unit comprises a first low-pressure cylinder, a second pipeline, a third pipeline, a fourth pipeline, a first valve group, a living steam supply pipeline and a condenser; the coordination assembly comprises a coordination pipeline and a fifth valve; according to the system, various heat supply requirements can be met cooperatively, operation is flexible and efficient, the energy utilization efficiency is improved, and the operation cost is reduced.

The photovoltaic complementary multi-stage heating flash evaporation compression type and air source heat pump heating system disclosed in the present invention comprises a heat network circulating water pipe, a heat network circulating water pump is arranged on the heat network circulating water pipe, and the heating section of the heat network circulating water pipe is connected with a solar thermal collection system, an air source heat pump system, a negative pressure flash evaporation sewage source heat pump system and a heat storage tank in sequence according to the return water flow direction. The solar thermal collection system comprises a shell and tube heat exchanger, a hot oil circulation pump and a trough type solar thermal collector; the present invention utilizes the low-grade thermal energy in the air and domestic sewage in combination with the solar thermal collector, the compression heat pump, the flash tank and the heat storage tank, realizes the deep recovery of the waste heat that can be utilized on the user side, heats the heat network circulating water return water in a stepped heating manner, reduces the working temperature difference of each stage of the heat pump, improves the COP of the heat pump, reduces the power consumption of the heat pump, and simultaneously configures the solar thermal collector to replace the heat pumps of different heating sections under different light intensities, and configures the heat storage tank to further reduce the heating cost by utilizing the peak and valley electricity prices.

The utility model discloses an integrated heating radiator head relates to the field of heating radiator head. Integrated heating radiator head includes: the flow pipe, and the flow pipe is small -bore pipeline, connecting casing, the both ends of symmetry fixed connection in flow pipe, the both sides of connecting casing symmetry have the connector, wherein, connecting casing, connector and flow pipe between through pouring integrated setting, the utility model discloses an integrated pouring forming process, solves the quality and the aesthetic pain point of traditional welding type, and through small -bore flow pipe again, realizes the heating effect optimization of water -saving, speed -up, increase efficiency, on the structural innovation and performance promotion of heating radiator head, has the practical value and market advantage of remarkable.

The invention relates to the technical field of energy scheduling, and discloses an electric drive heat source optimization scheduling method based on building thermal inertia, comprising: constructing a thermal load demand prediction model and a cost benefit analysis model; predicting initial heat energy required by the building at the current moment based on the heat load demand prediction model; utilizing a machine learning algorithm to predict and evaluate the thermal inertia of the current building, and optimizing and adjusting the initial heat energy; and evaluating the cost of meeting the required heat energy after adjustment in different electricity price periods, and dynamically adjusting the scheduling strategy of the electric drive heat source in combination with an evaluation result. Real-time climate data, building thermal inertia data and electricity price data can be collected and analyzed, advanced algorithms and models are used for predicting energy demands, optimizing energy distribution strategies and achieving optimal utilization of energy, in this way, the energy utilization efficiency can be improved, the energy consumption cost can be reduced, and the energy utilization efficiency can be improved. Greenhouse gas emission can be reduced, and contribution is made to environmental protection.

The invention discloses a spline shaft deformation control method which comprises the following steps: firstly, carrying out gear shaping processing on a spline section of a spline shaft, and tightening a spline M value range in a gear shaping process; then heat treatment is carried out, the heat treatment comprises carburizing and quenching, and the carburizing and the quenching are carried out at the same time; performing shot blasting treatment on the surface of the whole spline shaft; then straightening is conducted; then the spline run-out is corrected to be smaller than 0.05 on a lathe, then a centre hole is trimmed, and then outer circle grinding, internal thread turning, arc groove turning and spline grinding machining are carried out with the centre hole as the positioning reference; and finally inspecting. The spline shaft deformation control device is used for achieving the mode, and by means of the method and equipment, spline deformation can be controlled, and meanwhile cost can be saved.

This invention discloses a waste heat clean heating system and its application method, belonging to the field of heating and waste heat utilization technology. The system integrates a boiler flue gas waste heat recovery unit, a gasification black water waste heat recovery unit, a urea plant waste heat recovery unit, and a dual-loop system for heating and cooling. By using multi-source waste heat, including boiler flue gas, gasification black water, high- and low-temperature urea water, and steam condensate, to heat the heating return water in stages, the collected water drives a lithium bromide chiller unit, achieving dual-use (winter heating and summer cooling). This invention significantly improves the utilization rate of multi-source waste heat, reduces heating and cooling costs, and achieves dual energy savings, carbon reduction, cost reduction, and efficiency improvement.

The utility model discloses a heat supply system utilizing breeding waste foreign matters, which comprises a gasification furnace and a boiler, the gasification furnace comprises a furnace body with a heat insulation function, a gasification chamber is arranged in the furnace body, a preheating water pipe tightly attached to the gasification chamber is arranged between the furnace body and the gasification chamber, and the preheating water pipe is communicated with the gasification chamber. The output end of the preheating water pipe is connected with a boiler furnace on the inner side of the boiler through a water conveying pipe, the upper end of the gasification furnace is connected with a desulfurizer through a flue gas pipeline, and the other end of the desulfurizer is connected with a combustion stove through a pipeline. The breeding waste foreign matter is converted into the combustible gas through the gasification furnace, the combustible gas is desulfurized through the desulfurizer and then is combusted in the combustion furnace to heat the furnace pipe in the boiler, water in the furnace pipe is preheated through gasification reaction heat release in the gasification chamber, the heat supply cost is reduced, the problems of environmental protection and the like are solved, the technical cost is low, and the economic benefit is high. The method is simple in process, convenient to produce and manufacture, wide in application and suitable for industrial and civil fields.

The invention relates to the technical field of glass preparation, and provides hollow glass and a preparation method thereof.The hollow glass comprises first laminated glass and second laminated glass, a hollow layer is formed between the first laminated glass and the second laminated glass, and the first laminated glass comprises first glass, a first film and second glass; the first laminated glass comprises first glass, second glass and a first film, the first film is clamped between the first glass and the second glass, the second laminated glass comprises third glass, a second film and fourth glass, the second film is clamped between the third glass and the fourth glass, and heating wires are arranged on the first film and / or the second film. The heating wire in the hollow glass can be electrified for heating, so that the surface of the glass is prevented from being dewed or frosted, and the definition and transparency of the glass are ensured; meanwhile, the heating wire can also provide an electromagnetic shielding function to protect the interior of the glass curtain wall from external electromagnetic interference.