High-temperature heat energy recovery converter
Technical field
The present invention relates to the technical field that high temperature heat is recycled, specifically a kind of high-temperature heat energy recovery converter.
Background technology
The production principle of yellow phosphorus is that rock phosphate in powder and reducing agent are played reduction reaction under the high temperature of electric furnace, thereby be reduced into the phosphorus in the phosphorus pentoxide elemental phosphorous, produce simultaneously a large amount of tail gas, the content of carbon monoxide will account for 80-90% in the tail gas, and present tail gas is burnt by emptying substantially.
Phosphorus production is the highly energy-consuming industry, and 1 ton of yellow phosphorus of every production will consume 1.4 ten thousand kilowatt hours electricity and 1.6 tons of carbon at least, and Chinese existing annual capacity is 800,000 tons.To produce a large amount of high temperature furnace slags in the phosphorus production process.Equally, also there are a large amount of high temperature furnace slags in the industries such as steel-making, aluminium metallurgy, copper metallurgy.
Therefore, how recycling the heat energy of high temperature furnace slag, reducing the power consumption of the resource production such as yellow phosphorus and metallurgy industry etc., significantly reduce greenhouse gas emission with corresponding, is China's urgent problem.
In addition, in more special industries, having some solid particles or block high-temperature material, how to recycle the heat energy of high-temperature material, is the technical problem that this area will solve.
Summary of the invention
Technical problem to be solved by this invention provides a kind of high-temperature heat energy recovery converter that can carry out to high-temperature material heat energy recycle.
For solving the problems of the technologies described above, high-temperature heat energy recovery converter of the present invention comprises: body of heater, and the forward and backward two ends of body of heater are respectively equipped with discharging opening and charging aperture; The rear end of body of heater is provided with end plate, and charging aperture is located at the center of end plate; End plate is provided with a plurality of air outlets, is provided with for the air inducing case that aspirates the high temperature air in the body of heater with each air outlet opposite position; Body of heater comprises: the inner barrel that high-temperature-resistant steel is made, be located at the inner barrel periphery thermostable heat-conductive energy storage filler, be distributed in many heat pipes for delivery of air in the described thermostable heat-conductive energy storage filler, be located at the heat-insulation layer of described thermostable heat-conductive energy storage filler periphery and be located at the housing of described heat-insulation layer periphery; The discharging opening of described body of heater comprises: the cylindricality urceolus that high-temperature-resistant steel is made, concentricity line be located in the cylindricality urceolus and with the taper inner core of inner barrel one; The front port of taper inner core is in the middle front part of cylindricality urceolus; Gap between described taper inner core and the cylindricality urceolus consists of the preheating air intake passage; The front port of heat pipe extends in the described preheating air intake passage, and the rear port of described heat pipe stretches out the rear end of body of heater and is oppositely arranged with a plurality of air-vents on the described air inducing case.
Further, described thermostable heat-conductive energy storage filler is graphite and the compound of copper powder or the compound of graphite and quartz sand of graphite, quartz sand, aluminum nitride powder, copper powder or equal-volume ratio.Also can be graphite, the quartz sand of equal-volume ratio, the compound of copper powder.It also can be the gas nitriding metal dust.
Further, described heat pipe is straight tube, coiled pipe or helix tube, and for further improving heat exchange area, described heat pipe can adopt bellows, and with its surface roughening.
Further, described inner barrel is hollow cylinder, and the front end of described inner barrel is the taper inner core.Thereby the air outlet place of contiguous body of heater in the body of heater is had than large space, can guarantee to have enough high temperature airs to send into steam vaporizer group or other heat transmission equipments.The opening less on the inner barrel top of body of heater is beneficial to control air intake size, can prevent that also hot-air from overflowing from the opening on described top.
Further, for making behind the described body of heater carrying high temperature furnace slag not the furnace wall that fusing does not occur and whole body of heater has preferably heat-insulating property, be suitable for continuously or intermittent feeding and prevent cooling of furnace slag caking in the body of heater, body of heater comprises: the medial surface of inner barrel be provided with for the high-temperature material of described charging aperture being sent at the body of heater time rotational and deliver to the spiral type thread that is consisted of by exotic material or high-temperature-resistant steel of described discharging opening or the stirring blade of spiral distribution.The medial surface of described taper inner core and cylindricality urceolus is provided with the stirring blade of spiral type thread or spiral distribution.This screw thread or blade can make the high temperature furnace slag at the charging aperture place of body of heater do the rolling type displacement to slag notch at the body of heater time rotational, are beneficial to make high temperature furnace slag and the abundant heat exchange of air.Front elder generation can be beneficial to the preheating of abundant absorption discharging opening by the preheating of cylindricality urceolus after air entered described preheating channel.
The present invention has positive effect with respect to prior art: (1) high-temperature heat energy recovery converter of the present invention is provided with the heat pipe for delivery of the heat exchange air, the output take the air heat-exchange that will suck from the outside as high temperature air in the wall body of body of heater.Simultaneously, utilize the body of heater of rotation type to carry out heat exchange with the air that sucks from discharging opening from the high temperature furnace slag of mineral combustion stove, also generate the high-temperature hot air that is suitable for commercial Application; The hot-air that generates can directly or be delivered to relevant industrial and mining enterprises after the compression; High temperature air is suitable for sending into relevant heat-exchanger rig, with generating hot water or vapours, then delivers to relevant industrial and mining enterprises.Thereby effectively utilized the waste heat of high-temperature material (comprising: slag, Boiler Cinder Surveying, chemical granule or lump material etc.); can significantly reduce the power consumption that the resources such as phosphorus, iron, aluminium, copper are produced; the discharging of energy savings and a large amount of greenhouse gases of corresponding minimizing has good economic benefit and social benefit.(2) among the present invention, heat pipe is located in the thermostable heat-conductive energy storage filler, this filler has preferably heat conductivility, be suitable for absorbing fast and store heat energy on the inner barrel of body of heater, simultaneously to the quick heat exchange of heat pipe, and heat pipe is embedded in the thermostable heat-conductive energy storage filler, so have larger heat exchange area, has guaranteed heat exchange efficiency; Heat exchanger tube adopts straight tube or the helix tube of Spiral distribution on described inner barrel, and wherein helix tube has long length, is suitable for improving the heat exchange stroke, has guaranteed abundant heat exchange.The periphery of thermostable heat-conductive energy storage filler is provided with heat-insulation layer, to prevent heat energy dissipation.This heat-insulation layer adopts the high-temperature-resistant thermal-insulation material, such as asbestos, diatomite, perlite, glass fibre etc.When (3) working, body of heater is in the state around its horizontal center line axis rotation all the time, and be controlled in the certain-length time of contact of inboard wall of furnace body and high temperature furnace slag, can prevent that high temperature furnace slag from melting the furnace wall.In addition, the height of the discharging opening of body of heater is relatively high, can prevent that liquid high temperature furnace slag from directly flowing out from the discharging opening of body of heater; The air themperature that is beneficial to simultaneously in the body of heater is evenly distributed.(4) at the air outlet of body of heater and the rear port opposite position of heat pipe the air inducing case is set, can guarantees that the hot blast that body of heater is sent all delivers to steam vaporizer group or other heat transmission equipments.The air outlet place of contiguous body of heater has than large space in the body of heater, can guarantee to have enough high temperature airs to send into steam vaporizer group or other heat transmission equipments.(5) body of heater is the conulite that the top has opening, and the opening less on its top is beneficial to control air intake size, can prevent that also hot-air from overflowing from the opening on described top.
Description of drawings
Fig. 1 is the structural representation of high-temperature heat energy recovery converter among the embodiment 1;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Fig. 3 is the structure chart of mineral combustion stove, sedimentation basin, water scrubber and settling tank in the application examples 1;
Fig. 4 is the rear end face structural representation of body of heater among Fig. 1;
Fig. 5 is mucking machine in the application examples 1 and the structural representation in mineral preheating and drying room;
Fig. 6 is the structure diagram of high temperature heat recycling system in the application examples 1.
Wherein each Reference numeral is: 1--sedimentation basin, 1-1--metallic ore, 2--body of heater, 2-1--charging aperture, the 2-2--end plate, 2-2-1--air outlet, 2-3--air inducing case, 2-4--tooth bar, the 2-5--gear, 2-6--synchronous variable-speed motor, 2-7--automatic valve, 2-8--pressure bearing wheels, the 2-9--discharging opening, 2-11--taper inner core, 2-12--cylindricality urceolus, the 2-12--bracing frame, 2-13--support, 3--mucking machine, 3-1--enters cinder notch, 3-2--slag notch, 3-3--screw rod, the 4--air accumulator, 5--steam vaporizer group, 5-1--first order steam vaporizer, 5-2--second level steam vaporizer, 5-3--third level steam vaporizer, 5-4--combustion chamber, the 8--air-introduced machine, 9--steam turbine generator, 10--mineral combustion stove, the 11--water scrubber, 12--settling tank, 13--mineral preheating and drying room, the 14--cylinder, 15--high-pressure pump, 20--deep bead, the 21--hot-water tower, a--inner barrel, b--thermostable heat-conductive energy storage filler, the c--heat pipe, c1--front port, d--heat-insulation layer, the e--housing, f--collecting pipe, g--swivel joint.
The specific embodiment
(embodiment 1)
See Fig. 3, the high-temperature heat energy recovery converter of the present embodiment comprises: body of heater 2, and the forward and backward two ends of body of heater 2 are respectively equipped with discharging opening 2-9 and charging aperture 2-1; The rear end of body of heater 2 is provided with end plate 2-2, and charging aperture 2-1 is located at the center of end plate 2-2; End plate 2-2 is provided with a plurality of air outlet 2-2-1, is provided with for the air inducing case 2-3 that aspirates the high temperature air in the body of heater 2 with each air outlet 2-2-1 opposite position; Body of heater 2 comprises: the inner barrel a that high-temperature-resistant steel is made, be located at inner barrel a periphery thermostable heat-conductive energy storage filler b, be distributed in many heat pipe c for delivery of air among the described thermostable heat-conductive energy storage filler b, be located at the heat-insulation layer d of described thermostable heat-conductive energy storage filler b periphery and be located at the housing e of described heat-insulation layer d periphery.
The discharging opening 2-9 of described body of heater 2 comprises: cylindricality urceolus 2-12, the concentricity line that high-temperature-resistant steel is made be located in the cylindricality urceolus 2-12 and with the taper inner core 2-11 of inner barrel a one; The front port of taper inner core 2-11 is in the middle front part of cylindricality urceolus 2-12; Gap between described taper inner core 2-11 and the cylindricality urceolus 2-12 consists of preheating air intake passage 2-15; The front port c1 of heat pipe c extends in the described preheating air intake passage 2-15, and the rear port of described heat pipe c stretches out the rear end of body of heater 2 and is oppositely arranged with a plurality of air-vents on the described air inducing case 2-3.The front port c1 of heat pipe c is horn mouth.
Described thermostable heat-conductive energy storage filler b is the compound of graphite, quartz sand or graphite and quartz sand.In this compound, the volumetric mixture ratio of graphite and quartz sand is 1:1 to 1:0.1.
Described heat pipe c is straight tube or helix tube, also can be coiled pipe, corrugated straight tube or helix tube, and with its surface roughening.
For making behind the described body of heater carrying high temperature furnace slag not the furnace wall that fusing does not occur and whole body of heater has preferably heat-insulating property, be suitable for continuously or intermittent feeding and prevent cooling of furnace slag caking in the body of heater, the medial surface of the inner barrel a of body of heater is provided with for the high-temperature material of described charging aperture 2-1 being sent at body of heater 2 time rotationals and delivers to the spiral type thread that is made of exotic material or high-temperature-resistant steel of described discharging opening 2-9 or the stirring blade of spiral distribution.This screw thread or blade can make the high temperature furnace slag at the charging aperture place of body of heater do the rolling type displacement to slag notch at the body of heater time rotational, are beneficial to make high temperature furnace slag and the abundant heat exchange of air.The medial surface of described taper inner core 2-11 and cylindricality urceolus 2-12 is provided with the stirring blade of spiral type thread or spiral distribution.
For body of heater 2 is realized around its central axis rotation, at least two couples of pressure bearing wheels 2-8 that are used for supporting body of heater 2 that body of heater 2 comprises at least two tooth bar 2-4 being located at housing e outer wall, driven the gear 2-5 of described body of heater 2 rotations and be symmetrically set in the body of heater below by being meshed with each tooth bar 2-4 of driving of synchronous variable-speed motor 2-6.
The rear end of described body of heater 2 is provided with the end plate 2-2 of body of heater rear end sidewall one, has charging aperture 2-1 at the center of end plate 2-2.
Described charging aperture 2-1 is located at pushing away of described end plate 2-2 central authorities to pull out the formula charging aperture, and end plate 2-2 is provided with a plurality of air outlet 2-2-1, is provided with air inducing case 2-3 for the high temperature air in the suction body of heater 2 with each air outlet 2-2-1 opposite position; Air inducing case 2-3 has be used to the air outlet of exporting described high temperature air and the air exhauster of being located on this air outlet.
When the charging aperture 2-1 of body of heater 2 stopped charging, described charging aperture 2-1 was by closed by the movable valve 2-7 of cylinder control; The discharging opening 2-9 of described body of heater 2 is the air inlet of body of heater 2, and this air inlet outer end is provided with the deep bead 20 that is used for control air intake size of cylinder control.
(application examples 1)
On the basis of embodiment 1, see Fig. 1-6, the high temperature heat recycling system of using above-mentioned high-temperature heat energy recovery converter comprises: the body of heater 2 of rotation type is used for and will carries out heat exchange from the high temperature furnace slag of mineral combustion stove 10 and the air of discharging opening 2-9 input; Steam vaporizer group 5 is used for utilizing the high temperature air of body of heater 2 outputs that water is converted to the high temperature vapours; High pressure tank 4 is used for the high temperature vapours that storage steam vaporizer group 5 is exported; Steam turbine generator 9 links to each other with high pressure tank 4 and generates electricity, and realizes being incorporated into the power networks by the control circuit device that is incorporated into the power networks at last.
The angle that the inwall of body of heater 2 is provided with exotic material is the screw thread of 10-60 degree, and around its horizontal middle spindle time rotational, described screw thread is delivered to described discharging opening 2-9 and output with the high temperature furnace slag at body of heater 2 interior contiguous charging aperture 2-1 places at body of heater 2.
The rear end of body of heater 2 has the end plate 2-2 with body of heater rear end sidewall one, for convenient liquid slag in the sedimentation basin 1 is introduced in the body of heater 2, and described charging aperture 2-1 is that the pushing away of end plate 2-2 center of being fixed in annular pulled out the formula charging aperture; The discharging opening 2-9 of body of heater 2 also is the air inlet of body of heater 2, and this air inlet outer end is provided with the deep bead 20 that is used for control air intake size of cylinder control; End plate 2-2 is provided with a plurality of air outlet 2-2-1, is provided with the air inducing case 2-3 that is enclosed within on the charging aperture 2-1 with each air outlet 2-2-1 opposite position; The air outlet 2-2-1 of air inducing case 2-3 links to each other with the high temperature air entrance of steam vaporizer group 5; At air outlet 2-2-1 opposite position air inducing case 2-3 is set, all delivers to steam vaporizer group 5 with the hot blast of guaranteeing body of heater 2 is sent.Air inducing case 2-3 links to each other with exterior support frame, does not rotate with body of heater 2.End plate 2-2 comprises by metal outer plate, adiabator layer and exotic material layer in outer the reaching.
High temperature furnace slag fall into body of heater 2 interior after, rotation along with body of heater 2, the slag temperature of body of heater 2 interior contiguous charging aperture 2-1 one ends is higher than the slag temperature of contiguous body of heater 2 front ends, because described body of heater 2 adopts hollow body, and the space of contiguous charging aperture 2-1 one end is larger with respect to the space of contiguous body of heater 2 front ends, has guaranteed that described air outlet 2-2-1 one end has enough high temperature airs and can send into steam vaporizer group 5.
Be to reclaim the metal in the slag, such as iron etc., described high temperature furnace slag flows out after being used for precipitating the sedimentation basin 1 of metallic ore 1-1 from mineral combustion stove 10, flow to the charging aperture 2-1 of body of heater 2.
For utilizing the waste heat of the slag of sending from body of heater 2, the discharging opening 2-9 below of body of heater 2 is provided with the mucking machine 3 of spiral rotary drum type, what the two ends of mucking machine 3 were respectively equipped with the opening upwards relative with described discharging opening 2-9 enters cinder notch 3-1 and the slag notch 3-2 that Open Side Down, be provided with in the mucking machine 3 be used to make slag to slag notch 3-2 do the rolling type displacement by motor-driven screw rod 3-3, slag under the rolling state, be beneficial to mucking machine 3 in the abundant heat exchange of air-flow; The described mucking machine 3 of an end that enters cinder notch 3-1 in vicinity links to each other with the gas outlet of described steam vaporizer group 5, and the other end of mucking machine 3 has be used to the gas outlet that is connected with mineral preheating and drying room 13; At mucking machine 3 to mineral preheating and drying room during 13 logical desiccant hot gas, mucking machine 3 enter cinder notch 3-1 and slag notch 3-2 is closed.Mineral preheating and drying room 13 comprises that for the venthole plate 13-1 that stacks mineral, the gas outlet of mucking machine 3 extends to bottom the venthole plate 13-1 through breather pipe.
Described steam vaporizer group 5 comprises first order steam vaporizer 5-1, second level steam vaporizer 5-2 and the third level steam vaporizer 5-3 of successively series connection; The bottom of first order steam vaporizer 5-1 is provided with for to the further heating and generate the combustion chamber 5-4 that high-temperature steam is sent into air accumulator 4 of the vapours of first order steam vaporizer 5-1 and water, the bottom of combustion chamber 5-4 with link to each other for delivery of the pipeline by the fuel gas that filters through water scrubber 11 of mineral combustion stove 10 dischargings; The side of combustion chamber 5-4 is the high temperature air entrance of steam vaporizer group 5, and links to each other for delivery of the pipeline from the high temperature air of body of heater 2.
The gas outlet of described first order steam vaporizer 5-1 connects the air intake of second level steam vaporizer 5-2, the gas outlet of second level steam vaporizer 5-2 connects the air intake of third level steam vaporizer 5-3, and the gas outlet of third level steam vaporizer 5-3 is the gas outlet of described steam vaporizer group 5; The gas outlet of third level steam vaporizer 5-3 is serially connected with air-introduced machine 8.The water inlet of third level steam vaporizer 5-3 links to each other with the hot-water tower 21 that is used for soft water preheating through high-pressure pump 15; The delivery port of third level steam vaporizer 5-3 links to each other with the water inlet of second level steam vaporizer 5-2, the delivery port of second level steam vaporizer 5-2 links to each other with the water inlet of first order steam vaporizer 5-1, and the high steam outlet of first order steam vaporizer 5-1 connects conveying high-pressure air accumulator 4; The hot gas input of hot-water tower 21 links to each other with the waste gas outlet of steam turbine generator 9, thereby has effectively utilized the waste heat of the waste gas of steam turbine generator 9.
Be provided with a plurality of temperature sensors in the described body of heater 2, temperature sensor links to each other with PLC in the operating desk; PLC links to each other with described air-introduced machine 8 through motor driving controling circuit; When the temperature in the described body of heater 2 was higher than default high temperature values, PLC controlled described air-introduced machine 8 decelerates through motor driving controling circuit, and/or reduced the number of the air-introduced machine 8 under the operating condition; When the temperature in the described body of heater 2 was lower than default low-temperature values, PLC controlled described air-introduced machine 8 accelerated services through motor driving controling circuit, and/or increased the number of the air-introduced machine 8 under the operating condition.
For preventing when the air outlet 2-2-1 air-out, extraneous air is directly through charging aperture 2-1 and air outlet 2-2-1 air inducing case 2-3, and when the charging aperture 2-1 of body of heater 2 stopped charging, described charging aperture 2-1 was by the movable valve 2-7 seal closure by cylinder 14 controls; For making the air that enters body of heater 2 have long heat exchange stroke and realizing abundant heat exchange.
As another embodiment, on the tracheae between described body of heater 2 and the steam vaporizer the group 5 and/or gas outlet of described steam vaporizer group 5 is provided with at least one air-introduced machine 8.Thereby guarantee the high temperature air of body of heater 2 outputs is introduced steam vaporizer group 5, realize water is converted to the purpose of high temperature vapours.
Described being incorporated into the power networks refers to: the alternating current that steam turbine generator 9 is sent send into can the electrical network for mineral combustion stove 10 in.