36results about How to "High thermal energy conversion efficiency" patented technology

The present invention relates to the technical field of the steam generation device, in particular relates to a high-temperature steam generation device that is used for the devices heating and cooking different foods, which comprises a high-temperature steam generator and an upper cover, wherein, the main body of the high-temperature steam generator is provided with a heating cavity; both ends of the heating cavity are communicated with a water inlet and a steam outlet, which are arranged on the main body; a heating pipe is arranged inside the main body of the high-temperature steam generator and the upper cover covers on the main body of the high-temperature steam generator; the heating pipe inside the high-temperature steam generation device is in a U shape; a plurality of projection elements that are arranged inside the heating cavity increase the contact area between the heating cavity of the water, so that the water can be better contacted with the heating cavity, so as to rapidly produce the steam; moreover, the heat energy conversion efficiency is high; in addition, the upper cover prevents the steam and the heat from leaking; the produced steam is exhausted from the steam outlet, so that the steam is easy to be collected, and the steam utilization rate is high. The high-temperature steam generation device has simple and compact structure, and occupies less space, and is safe and reliable to be operated, and has high heat efficiency, and saves energy and protects the environment.

An assembled terrestrial heat floor block and an assembling method thereof belong to the technical field of terrestrial heat. The assembled terrestrial heat floor block is formed by compounding upper layer assembled floor blocks and lower layer heated board parts, and has a flat plate structure; each of the heated board parts is provided with holes, and heat conduction grooves are arranged among the holes and provided with heating pipes; as a heating pipe disc is arranged inside the heat conduction groove, the heat can be conducted by air flow, and the ground temperature is uniform; the holes of the heated board parts are injected with cement mortar, concrete or benzene slab mastic cement to ensure the assembled floor blocks to be flat, and a complete geothermal heating floor is formed. The invention has simple structure and easy processing. The method for assembling the assembled terrestrial heat floor block has the advantages of rapid and convenient construction, good monodirectional heat transmission effect, high thermal energy conversion efficiency, simple construction and maintenance, low cost, etc.

The invention relates to a heating furnace for conducting microwave treatment on ore and an application method of the heating furnace. The heating furnace comprises a microwave treatment cavity 7. A feeding port 3 is fixedly connected with the top of the microwave treatment cavity 7. An exhaust fan 2 is fixedly connected with the top of the microwave treatment cavity 7 through a pipeline. A material distributor 4 is fixedly connected with the microwave treatment cavity 7 through a cross rod. The top end of the material distributor 4 coincides with the center line of an outlet of the feeding port 3. Microwave generators 5 are located on the periphery of the microwave treatment cavity 7. A gas pressure sensor 6 is located in the microwave treatment cavity 7 and fixedly connected with the microwave treatment cavity 7. An inlet of a discharging end 9 is fixedly connected with the bottom of the microwave treatment cavity 7. A discharging control device 8 is arranged at the middle portion of the discharging end 9. A cooling pond 10 is located at the lower portion of the discharging end 9. An air blower 16 is located at the bottom of the microwave treatment cavity 7 and fixedly connected with the microwave treatment cavity 7 through a pipeline. An air flow controller 18 is electrically connected with the exhaust fan 2 and the air blower 16. The heating furnace is simple in structure and safe and convenient to use; and by means of the method, high-temperature and rapid treatment of the ore can be achieved, the mineral can be efficiently dissociated, and the requirement for continuous operation is met.

The invention provides a high-efficiency hot blast stove for tobacco leaf curing equipment, comprising: heat conducting tubes (1), finned tubes (2), furnace walls (3), furnace roofs (4) and steel fins (5) ; It is characterized in that the heat pipe (1) is a group of non-phase-change circulation loop heat pipes; the finned tube (2) is an aluminum alloy finned tube. The invention adopts a single-phase heat transfer mechanism, which greatly improves the heat transfer capacity of the heat-conducting device and the bearing capacity of the furnace temperature, breaks through various limit restrictions of the furnace temperature on the phase change heat transfer, and solves the problem that the ordinary phase change heat transfer mechanism is not competent The high-density heat transfer condition, and through the integrated design of fuel combustion and heat dissipation, the aluminum alloy slotted fins with high heat exchange capacity are used to fully expand the heat exchange area, so that the hot blast stove forms a heat dissipation structure with strong heat exchange capacity. , greatly improve the heat energy utilization efficiency of tobacco leaf curing equipment, and achieve the purpose of saving energy and reducing consumption in flue-cured tobacco production.

The invention discloses an energy-saving-type boiler. The energy-saving-type boiler comprises a furnace body, wherein the furnace body comprises a furnace wall; the furnace wall comprises an inner layer and an outer layer; a heat insulation layer is arranged in a clearance between the inner layer and the outer layer; four support legs which are uniformly distributed are arranged on the bottom of the furnace body; a pressure valve and a steam pipe are arranged on the top of the furnace body; a water tank and a smoke exhaust pipe are arranged on one side surface of the furnace body; a water inlet pipe is arranged on the bottom of the water tank; heat exchange sheets are arranged in the smoke exhaust pipe; a radiation plate is arranged in the water tank; radiation fins which are uniformly distributed are arranged on the radiation plate; a heat conduction sheet is arranged between the heat exchange sheets and the radiation plate; and the side surface, which is close to the water tank, of the furnace body is provided with a thermometer, a pressure gage and a material inlet. By adopting the energy-saving-type boiler, heat in the smoke exhaust pipe can be absorbed and utilized again; an energy-saving effect can be realized; the heat conversion efficiency of the boiler is improved; the use effect is better; the use amount of fuel coal is reduced; and economic benefit of an enterprise is improved.

The invention belongs to the technical field of application of geothermal wells, and discloses an integrated geothermal well single-hole extraction and charging heat exchange method and integrated geothermal well single-hole extraction and charging heat exchange equipment. The heat exchange method is characterized in that a deep geothermal replacement pipe, a special pipe for heat collection and heat preservation, a heat recovery pump, a geothermal energy comprehensive utilization device, a recharge pressurization pump, a geothermal well pipe, a water return supplement pump, a water pressure gauge, a water gas observation meter and other equipment instruments are adopted, deep geothermal wells are formed one by one, a heat collection and recharge full-sealed space water circulation is adopted used for replacing geothermal energy to the upper part for heating in winter, and a heat preservation measure is taken in the process of extracting the ground hot water; and the water circulation heat exchange is carried out by utilizing the characteristics that the deep heat is high, the space leakproofness is good, and the water resource consumption is small. According to the heat exchange method and equipment, the good effects that environment is protected, water resources are saved, the stratum application is wide, the heat energy conversion efficiency is high, and the well-forming workload is reduced are achieved, the method and the equipment can be used for energy development of a terrestrial heat site and hot dry rock, and the characteristics of energy conservation, environmental protection, low cost, good social benefit and good economic benefit are achieved.

Network electromagnetic heat device series products which are provided by the invention pertain to the technical field of network household electrical appliances. By adopting the products, 1. the problem of the existing mono-functional induction cooker with a unilateral heating element is solved and a multi-functional and bilateral (or multilateral) heating element is then developed not only to improve various uses and be extended to wired and wireless networks and remote controls, but also to be developed to multi-functional electromagnetic heat devices, such as electromagnetic heat shoes, electromagnetic heat floors, electromagnetic heat clothes, electromagnetic heat chairs, electromagnetic heat water pipes, electromagnetic heat cups, electromagnetic heat blankets, etc., thus the space is saved and the environment is clean to provide a high quality life;. 2. the problem that the existing electric cookers, heating devices, heaters, etc. adopt heating cords as heating elements to result in low thermal efficiency caused by the indirect conduction to the aim converting from electric energy to heat energy is solved and when only heat energy to the aim is adopted, the high thermal efficiency can be realized. Other applications can be the references for the technical field of integrated technique, such as the applications in non household electrical appliances and military affairs. The series products of the invention have essential uses: household electrical appliances (including network household electrical appliances), military affairs, hotels, etc.

The invention discloses a production method of a solar absorber plate, which aims at solving the deficiency of the preparation process technology of the existing solar selective absorbing coating, difficult realization of preparation of large-area coating with the existing process technology, and high manufacturing cost. The production method comprises the following steps: taking a chrome-base alloy steel plate as a matrix material; pre-processing the plate such as de-oiling, polishing, activating, washing and the like; taking nitric acid, manganese sulphate, ammonium nitrate and the like as main coloring agents, and then coloring by chemical oxidation blackening; and finally performing chemical solidification and seal treatment to obtain the chrome-base alloy steel solar absorber plate with uniform bright-black conversion coating on the surface. The chrome-base alloy steel solar absorber plate has the characteristics of high thermal absorption rate and low emission rate, can be taken as the solar absorber plate for solar photo-thermal conversion, and can be widely applied to solar heat utilization equipment such as a flat-plate solar air collector, a solar water heater and the like.

The invention relates to an efficient and energy-saving boiler barrel type fire tube steam boiler and a using method thereof. The efficient and energy-saving boiler barrel type fire tube steam boileris provided with a support or a base and a boiler body, wherein the boiler body is provided with a gasification combustion chamber and a boiler barrel type heat exchange assembly; the boiler barrel type heat exchange assembly is provided with an upper boiler barrel and a lower boiler barrel; the upper boiler barrel is provided with a steam outlet; the lower boiler barrel communicates with the upper boiler barrel through a steam delivering tube; multiple rows of vertical tubular upper and lower fire paths with openings in the tops and the bottoms and vertical tubular upper and lower flues withopenings in the tops and the bottoms are arranged in the lower boiler barrel; the fire paths and the flues sequentially communicate with one another in the front-back direction through fire distributing boxes and smoke distributing boxes; the outlet of the upper flue at the tail end is provided with a tail gas discharge opening, an induced draft fan and a dust collector; the lower opening of the upper fire path at the foremost end communicates with the gasification combustion chamber; fire circulates in tubes of the fire paths and the flues; an internal water system is arranged on the outsidesof the tubes; a water layer is arranged in the outer wall of the gasification combustion chamber; and the water layer and water layers on the outsides of the fire distributing boxes and the smoke distributing boxes form an external water system. The steam boiler has the advantages of simple structure, small occupation area, high degree of automation, safe and reliable running, convenience in operation and use, low production and maintenance cost, energy conservation and environmental protection, capability of being popularized and used extensively and the like.

The invention relates to the technical field of turbines and discloses an exhaust passage optimization method and system used for a turbine. The method comprises the steps of collecting exhaust parameters in an exhaust passage of the turbine; applying the exhaust parameters to a three-dimensional model of the exhaust passage of the turbine, and calculating a steam flow field value of the exhaust passage of the turbine; and comparing the calculated steam flow field value with a set value, and when the calculated steam flow field value is inconsistent with the set value, adjusting an arrangement mode of a flow-equalizing apparatus in the exhaust passage of the turbine. According to the method, the steam flow field value of the exhaust passage of the turbine is adjusted to reach the set value, so that the exhaust eddy is reduced, the exhaust velocity is uniformized, the structures such as the exhaust passage, a turbine low-pressure cylinder connected with the exhaust passage, and the like are more reasonable, and the product life and the heat exchange capability are prolonged and improved.

The invention belongs to the technical field of microwave thermal conversion, and particularly relates to a microwave thermal conversion material, a carrier and a preparation method of the microwave thermal conversion material. The microwave thermal conversion material is made of the materials, in weight percentage, as follows: 55-65% of graphite powder, 10-15% of ferrite powder, 15-25% of glass fiber and 5-10% of a binder. The structure is convenient and simple to form, the weight is light, and the insulating property, the acid resistance, the alkali resistance, the pressure resistance and the stripping property are good, physical and chemical properties are stable, high temperature resistance and high thermal insulation are realized, the resistant high temperature can reach 1350 DEG C, compared with an existing thermal conversion material, the thermal energy conversion efficiency of microwave absorption thermal energy conversion can be improved by 30%, the microwave thermal conversion material can be efficiently applied to microwave waste gas combustion equipment at a high speed, energy can be saved by 50% or above compared with an existing RTO combustor, consumable materials cannot be generated, and the microwave thermal conversion material is simple in preparation process, convenient to operate, easy to form and low in cost.

A Stirling engine is a unique external combustion engine, as the theoretical efficiency is nearly equal to the maximum theoretical efficiency, the efficiency is called as carnot cycle efficiency, an external combustion engine cylinder in use is filled with a gas working medium of a certain volume and pressure; to ensure high-speed piston straight-line push-pull movement, a medium/high-pressure gas in the cylinder is prevented from leakage for a long time, and a transmission shaft which is connected with an external transmission mechanism is in high-density sealing lubrication and is free of axial mechanical wearing, and therefore, relatively high requirement is provided for structure materials and processes, and further the cost of an engine can be increased and popularization can be affected. The invention discloses an axial-wearing-free rectangular cylinder Stirling engine which is made of a high-performance ceramic material. Due to a planar super-low friction coefficient between ceramics, the lubrication performance approximate to that of an ice surface, and the high temperature resistance, the abrasion resistance, the wearing resistance and the good sealing performance of ceramic, a rectangular piston and a rectangular cylinder are adopted to form planar sealing lubrication, and an axial-wearing-free structure with double-axis lateral planar windowing power output can be formed. The development neck of a conventional Stirling engine shaft to high technical requirements is effectively broken, an external combustion engine with excellent performance can be relatively high in efficiency and relatively long in service life, and can be relatively rapidly popularized and applied in multiple fields of environment-friendly energy and the like.

The invention discloses an injection nozzle assembly, which comprises an injection nozzle main body, wherein the injection nozzle main body is arranged in a cylindrical shape, a through hole is arranged inside the injection nozzle main body, a heating steel sleeve is sleeved on the outer circumference of the injection nozzle main body, and is fixed on the injection nozzle main body by a metal snapping hoop, the outer circumference of the injection nozzle end of the injection nozzle main body is provided with a snapping spring for snapping the end portion of the heating steel sleeve, and the outer circumference of the other end of the injection nozzle main body is provided with a fastening hexagon nut. According to the present invention, the injection nozzle assembly has characteristics ofrapid heating, high heat energy conversion efficiency, balanced heating, energy saving, environmental protection, long service life and low cost.