CN201926286U - Fly-ash porcelain-granule sintering furnace - Google Patents

Abstract

The utility model provides a fly-ash porcelain-granule sintering furnace, which comprises a furnace body, an air box, air-inducing equipment and a tower-grate type discharger, wherein a furnace cavity for containing fly-ash porcelain granules is formed inside the furnace body; the air box is welded at the bottom end of the furnace body, and the air box is provided with a discharging opening and an air-inducing opening; the air-inducing equipment is connected with the air-inducing opening; the tower-grate type discharger is rotatably arranged at the bottom end of the furnace cavity and used for supporting fly-ash raw-material balls in the furnace cavity; and the top of the tower-grate type discharger is provided with a grate plate, a plurality of vent holes are arranged on the grate plate, and the distribution density of the vent holes positioned in the middle of the grate plate is larger than that of the vent holes positioned at the periphery of the grate plate. Since in the vent holes on the grate plate, the distribution density of the vent holes positioned in the middle of the grate plate is larger than that of the vent holes positioned at the periphery of the grate plate, the temperature in the furnace can be balanced, sintering is uniform, and the finished-product rate is increased.

Description

Coal ash haydite fritting furnace

Technical field

The utility model relates to a kind of coal ash haydite fritting furnace.

Background technology

Lytag is as lightweight aggregate, and lytag is to be primary raw material with flyash, through metering, batching, moulding, sintering and a kind of artificial light aggregate of making.Lytag generally is spheroidal, and is coarse and hard, has very strong durability at aspects such as frost resistance, water absorption rate, stability, coefficient of softing, and the concrete made from lytag is bigger than the concrete strength of producing with natural stone.Therefore lytag has been widely used for preparing the high strength light concrete of various uses.As required; can prepare the plain haydite concrete and the prestressing force haydite concrete of different labels; available prefabricated, cast-in-place, climbing form, construction method such as mechanical-moulded, make heat insulationly go along with sb. to guard him, load-bearing is with high-strength novel light construction materials such as member, lytag building-block, porous brick, floor tile, standard brick, insulation wallboards.

Therefore, the production of lytag has become a popular domain of building trade.China utility model patent prospectus CN2515627Y discloses a kind of lytag mechanical vertical kiln; it is to be made of deduster and exhaust duct and steel kiln body; steel kiln body upper end is provided with deduster and exhaust duct and charging aperture and distributing device; the burner hearth bottom is provided with blanking device and tapping channel and discharging opening; the roasting of lytag internal combustion, lytag are flowed in the kiln thorax, and roasting is difficult to bond.Yet its combustion process produces a large amount of waste gas and dust, does not meet environmental requirement, and mobile roasting requirement is high to the adhesion strength requirement of flyash raw material ball to be sintered, has limited utilization of coal ash efficient simultaneously.

China utility model patent prospectus CN2748853Y discloses a kind of equipment of producing the high-strength fly-ash haydite with sintering process, comprise calciner and material conveying mechanism, calciner comprise preheating chamber, igniting chamber, igniting kitchen range and weak, in, strong three grades of roasting bellows, the mass transport structure comprises truck, track, actuating unit and truck changement, track is arranged horizontally, and the formation ring-type, roasting process reduces energy consumption by the flyash spontaneous combustion greatly.Yet adopt this flyash agglomerating plant, the flyash sintering circuit is many, the equipment complexity, and the cost input is very big, is unfavorable for promoting the use of.

China is the precedent of useful sintering machine, rotary kiln sintered lytag now, but because the performance of equipment itself limits, thus energy consumption height, low, the serious scale that can not form of environmental pollution of efficient.

Summary of the invention

The purpose of this utility model is to provide a kind of production efficiency height, energy-conservation and reduce the coal ash haydite fritting furnace and the powdered coal ash product sintering furnace of environmental pollution.

For reaching this purpose, the utility model provides a kind of coal ash haydite fritting furnace, comprising: body of heater, and its inner furnace chamber that holds the flyash raw material ball that forms, bellows are welded on the bottom of body of heater, and bellows are provided with discharging opening and air-vent; Air inducing equipment links to each other with air-vent; And tower grate formula discharger, can be rotatably set in the bottom of furnace chamber, support the flyash raw material ball of furnace chamber inside, tower grate formula discharger top is provided with the grate plate, this grate plate is provided with a plurality of air vents, a plurality of these air vents are big in the distribution density of grate plate periphery at the distribution density ratio at grate plate middle part, are used to regulate negative pressure air quantity, wind speed, the balance furnace chamber temperature.

Preferably, above-mentioned air inducing equipment has frequency conversion air-introduced machine and automatically controlled air-valve, by this frequency conversion air-introduced machine according to firing temperature conversion blower fan revolution with regulate the air-valve opening, from changing the air inducing amount.

Preferably, the top of above-mentioned body of heater is provided with the position-movable material scraper of wiping one's face.

Preferably, the top of above-mentioned body of heater is provided with position-movable igniter.

Preferably, the top of above-mentioned body of heater is provided with movably distributing device.

Preferably, high-temperature resistant seal ring is equipped with in the upper surface of above-mentioned side wall of furnace, can be to sealing between igniter and the sidewall of the furnace body upper surface.

Preferably, above-mentioned coal ash haydite fritting furnace comprises: track is arranged on the top of body of heater; Distributing device is arranged on the track top, and has drive unit; The material scraper of wiping one's face is arranged on the track top, and has drive unit; Igniter is arranged on the track top, and has drive unit; Controller is used for the drive unit of above-mentioned distributing device, the material scraper of wiping one's face, igniter is controlled.

Preferably, above-mentioned furnace chamber is a truncated cone-shaped, and back cut diameter is 1000～3000mm, and described height is 1000～3000mm, and wall thickness is 80～100mm.

Preferably, above-mentioned body of heater is vertical places or the placement of tilting;

Preferably, above-mentioned body of heater furnace chamber is cylindrical or infundibulate.At furnace chamber is under the columniform situation, and the diameter of furnace chamber is 1000～3000mm, highly is 1000～3000mm.

Preferably, above-mentioned tower grate formula discharger comprises back shaft, is fixed in and unloads charging tray, unloads and is fixed with above-mentioned grate plate on the charging tray, unloads at least one material scraping plate that also is provided with downward extension on the charging tray, and above-mentioned grate plate surface is provided with some outstanding crushing teeths.

Preferably, above-mentioned tower grate formula discharger is driven by rotating driving device; Rotating driving device comprises motor and cycloidal-pin wheel decelerator at least.

Preferably, on the sidewall of above-mentioned bellows abrasion-proof backing block is housed.

Preferably, above-mentioned discharging opening links to each other with the discharging elephant trunk, on the discharging elephant trunk valve is installed.

The utility model also provides a kind of coal ash haydite fritting furnace, at least comprise body of heater, body of heater comprises furnace chamber, furnace chamber comprises first end and second end, and first end is provided with the bellows that connect air inducing equipment, and second end is the firing tip of flyash raw material ball, first end also is provided with a plurality of air vents that are communicated with bellows and furnace chamber, a plurality of these air vents distribute by the mode of central distribution density greater than circumferential distribution density, and wherein, the flyash raw material ball in the body of heater is from second end spontaneous combustion to the first end.

Preferably, above-mentioned second end is positioned at the top of furnace chamber, and first end is positioned at the bottom of furnace chamber, and wherein, first end also is provided with discharger.

Preferably, above-mentioned first end is positioned at the top of furnace chamber, and second end is positioned at the bottom of furnace chamber, and wherein, second end also is provided with discharger.

Preferably, above-mentioned discharger is for being arranged on the tower grate formula discharger of furnace chamber bottom rotationally, and the taper tower grate of tower grate formula discharger stretches in the furnace chamber, and is provided with spacing between tower grate edge and the furnace chamber wall, and spacing is 100～300mm.

Preferably, the cloth end that above-mentioned second end is the flyash raw material ball, and be provided with the movably igniter and the scraper of wiping one's face.

Preferably, air inducing equipment is located on the furnace body wall, and first end is the cloth end of flyash raw material ball.

Preferably, tower grate formula discharger is driven by the drive unit that is positioned at bottom of furnace body, and drive unit comprises motor and cycloidal-pin wheel decelerator at least.

The utility model also provides a kind of powdered coal ash product sintering furnace, at least comprise body of heater, body of heater comprises furnace chamber, furnace chamber comprises first end and second end at least, wherein, first end is the firing tip of powdered coal ash product, and second end is the air inducing end, wherein, powdered coal ash product from the first end spontaneous combustion of furnace chamber second end to body of heater.

Compared with prior art, sintering furnace of the present utility model is in sintering process, air inducing equipment is discharged by bellows combustion air by air-introduced machine outlet (this air-introduced machine outlet connects the cleaner (not shown)), and by temperature in the uneven a plurality of air vent balance stoves of position distribution is set.Because in sintering process, the middle part belongs to high-temperature area in the stove, by the distribution a plurality of air vents intensive than circumferential distribution in middle part are set, make the throughput of the throughput at middle part in the stove greater than stove inner rim zone, thereby make the thermal loss at middle part in the stove bigger than the thermal loss in stove inner rim zone, reach the effect of temperature in the balance stove, thereby make sintering even, improve yield rate.

And because the air inducing mode of this sintering furnace is to go up air inducing, in sintering process from top to bottom, be air inducing down on the contrary, in sintering process from bottom to top, raw material ball is by oven dry successively, preheating, burning, sintering, cooling, need not that miscellaneous equipment is dried, preheating and cooling.These processes are all finished in stove, the core of this technology is to go up igniting, following air inducing, conductibility sintering, so good seal, sintering is even, yield rate is up to more than 95%, and sintering process does not need fuel, because the bed of material is thick, also with behind the dust-filtering, obstruct is discharged so there is dust in stove, and this process characteristic is energy-conservation (combustion process does not need the energy), environmental protection (not dust discharge), eat ash amount big (doping quantity of fly ash reaches more than 90%), yield rate height (95%).

The beneficial effects of the utility model are, distribution density by making the described air vent that is positioned at described grate plate middle part in a plurality of air vents on the grate plate is bigger than the distribution density of the described air vent that is positioned at described grate plate periphery, temperature in can the balance stove makes sintering even, improves yield rate.

Description of drawings

Fig. 1 is the structural representation according to the coal ash haydite fritting furnace of the utility model one preferred embodiment;

Fig. 2 is the furnace binding schematic diagram according to the coal ash haydite fritting furnace of the utility model one preferred embodiment;

Fig. 3 is the lower body structural representation according to the coal ash haydite fritting furnace of the utility model one preferred embodiment;

Fig. 4 is the partial schematic diagram according to the tower grate of the coal ash haydite fritting furnace of the utility model one preferred embodiment;

Fig. 5 is the structural representation according to the ecp push-pull valve of the flyash sintering furnace of the utility model one preferred embodiment;

Fig. 6 is the structural representation according to the igniter of the coal ash haydite fritting furnace of the utility model one preferred embodiment;

The grate bar of igniter in Fig. 7 presentation graphs 6;

Fig. 8 is the structural representation according to the distribution device of the coal ash haydite fritting furnace of the utility model one preferred embodiment;

Fig. 9 is the structural representation according to the scraper of wiping one's face of the coal ash haydite fritting furnace of the utility model one preferred embodiment;

Figure 10 is that the master according to the production line of the flyash ceramisite sintered equipment of the utility model one preferred embodiment looks schematic diagram;

Figure 11 is the schematic top plan view according to the production line of the flyash ceramisite sintered equipment of the utility model one preferred embodiment;

Figure 12 represents the structural representation according to the coal ash haydite fritting furnace of another preferred embodiment of the utility model;

The specific embodiment

Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.In the accompanying drawings, identical parts are represented with same label.

Fig. 1 is the structural representation according to the coal ash haydite fritting furnace 1 of the utility model one preferred embodiment, and as shown in the figure, sintering furnace 1 comprises body of heater 10, tower grate formula discharger 40, bellows 50, last elephant trunk 55.

Body of heater 10 and bellows 50 weld together, tower grate formula discharger 40 is arranged in the bottom of the furnace chamber 12 of body of heater 10, in sintering process, tower grate formula discharger 40 is actionless, so that hold the flyash raw material ball 30 in the furnace chamber 12, behind sintering, tower grate formula discharger 40 rotates, so that the broken raw material ball 30 that may lump, and by material scraping plate 41 lytag of sintering success is scraped in the elephant trunk 55, wherein, last elephant trunk 55 is provided with ecp push-pull valve 60 and high-pressure jet mouth 65, in sintering process, and ecp push-pull valve 60 closures, behind sintering, open discharging.

Bellows 50 are provided with air-vent 53, and air-vent 53 is provided with frequency conversion air-introduced machine 70 and automatically controlled air-valve 72, and wherein, frequency conversion air-introduced machine 70 is used to change the air inducing amount, and automatically controlled air-valve 72 is used to regulate the draught area of air-vent 53.Before igniting, frequency conversion air-introduced machine 70 is extracted the air in furnace chamber 12 and the bellows 50 out, produces negative pressure, so that form top-down air-flow in the furnace chamber 12 that flyash raw material ball 30 is housed.Be provided with igniter 20 in the upper end of body of heater 10, igniter 20 forms downward burned flame under the suction function of furnace chamber 12, to light flyash raw material ball 30.

Structural representation below in conjunction with above-mentioned flyash sintering furnace illustrates according to flyash sintering method of the present utility model.

With flyash according to prescription, be configured to the suitable blended stock of composition, Hou Jiashui stirs, make the spherosome of ￠ 5～￠ 20 with dribbling balling machine, it is raw material ball 30, pack in the sintering furnace 10, light a fire above sintering furnace 1 with igniter 20, simultaneously change the air inducing amount by frequency conversion air-introduced machine 70 according to the temperature needs raw material ball 30 is lighted, the igniter 20 of light a fire after 5 minutes is removed, owing to frequency conversion air-introduced machine 70 air inducing from top to bottom, flame is burnt downwards from sintering furnace 1 top, and change blower fan frequency and automatically controlled air-valve 72 change draught areas by frequency conversion air-introduced machine 70, thereby change the air inducing amount, make the temperature of furnace chamber 12 adjusted.Raw material ball 30 whole sintering are intact in stove, become the lytag finished product, open ecp push-pull valve 60 then, and start tower grate formula discharger 40 finished product is drawn off.

In sintering process, frequency conversion air-introduced machine 70 is discharged by bellows 50 combustion air by frequency conversion air-introduced machine outlet 71 (this frequency conversion air-introduced machine outlet 71 connects the cleaner (not shown)), owing to be to go up air inducing, in sintering process from top to bottom, raw material ball 30 is by oven dry successively, preheating, burning, sintering, cooling, need not that miscellaneous equipment is dried, preheating and cooling.These processes are all finished in stove, and frequency conversion air-introduced machine 70 adopts the variable air inducing mode can control the temperature in the stove effectively and has energy-saving advantages.The core of this technology is to go up igniting, following air inducing, the conductibility sintering, so good seal, sintering is even, and yield rate is up to more than 95%, sintering process does not need fuel, because the bed of material is thick,, intercept in stove also with behind the dust-filtering, discharge so there is dust, this process characteristic is energy-conservation (combustion process does not need the energy), environmental protection (not dust discharge), eat ash amount big (doping quantity of fly ash reaches more than 90%), yield rate height (95%).

Below in conjunction with the concrete structure of Fig. 2 to Fig. 9 detailed description according to the coal ash haydite fritting furnace of the utility model preferred embodiment.

Fig. 2 is the structural representation according to the body of heater 10 of the coal ash haydite fritting furnace 1 of the utility model one preferred embodiment, as shown in the figure, body of heater 10 is the hollow cylinder shape, the vertical placement, the inner furnace chamber 12 that forms, body of heater 10 comprises outer steel plate layer 11 and inner lining refractory layer 13, outer steel plate layer 11 extends on the end face perpendicular to central axis, on the upper surface, accommodate encapsulant 15, on the lower surface, form adpting flange 17.Sealing material 15 is used for sealing between igniter 20 and the body of heater 10, and adpting flange 17 is used to connect bellows 50.In one example, outer steel plate layer is welded by the 6mm heat-resisting steel sheet and plate, and the value of height H can be 1000～3000mm, preferably 2000mm; Furnace chamber 12 inside diameter D 1 suitable for reading that form are preferably 1000～3000mm, and wall thickness is preferably 80～100mm, and this furnace chamber 12 is the truncated cone-shaped of back cut diameter less than lower port diameter, and tapering is preferably 1: 35.

By making furnace chamber 12 form the truncated cone-shaped of back cut diameter less than lower port diameter, can reduce on the one hand furnace chamber 12 peripheral air quantity, reduce thermal loss; Guarantee that on the other hand discharging is smooth and easy.

Body of heater shape and structure described above are example, yet be not limited thereto, under the situation of knowing the utility model method, those of ordinary skills are easy to expect that the shape of body of heater can be taper, back taper or other shape, body of heater can vertically be provided with, also can tilt to place, in addition, body of heater can also be provided with sensor, come the variations in temperature in the sensing furnace chamber, and learn the degree that sintering carries out and judged whether that fault produces.

Fig. 3 is the lower body structural representation according to the coal ash haydite fritting furnace 1 of the utility model one preferred embodiment, comprising: tower grate formula discharger 40, bellows 50, last elephant trunk 55 and support 90.

In this example, tower grate formula discharger 40 is made up of tower grate 99, main shaft 48 and drive unit 80.Wherein, drive unit 80 comprises decelerator 83,85 and motor 81, and preferably, decelerator 83 is the cycloidal-pin wheel decelerator, and motor 81 is a common electric machine; Main shaft 48 is made by the 45# steel, and an end is supported on the bearing seat 49 that is positioned on the support 90, and the other end is fixedly connected on the below of tower grate 99; Tower grate 99 stretches in the furnace chamber 12, and be provided with the spacing of 100～300mm between the sidewall of the edge of tower grate 99 and furnace chamber 12, this tower grate 99 comprises grate plate 43 and unloads charging tray 42, wherein grate plate 43 is made by ZG35 cast steel or A3 steel plate, and broken tooth 45 of the sharp formula in its side of being provided with and width are that 10 mm lengths are 100 millimeters not uniform air vent 47; Unload charging tray 42 and made by the 45# steel, be used for fixing grate plate 43 and be connected main shaft 48, this unloads at least one material scraping plate 41 that also is provided with downward extension on the charging tray 42;

After sintering is finished, drive unit 80 drive shaft 48 are slowly rotated, main shaft 48 drives 99 rotations of tower grate, because the broken tooth 45 of the sharp formula in grate plate 43 sides of being provided with of tower grate 99, the lump material of tower grate 99 in can broken furnace chamber 12 when rotated, and, the lytag after the sintering success is scraped in the last elephant trunk 55 that ecp push-pull valve 60 and high-pressure jet mouth 65 are installed by being installed in the material scraping plate 41 that unloads below the charging tray 42.

Also as shown in Figure 3, bellows 50 are communicated with furnace chamber 12 by air vent 47, and these bellows 50 are made of housing 52 and liner plate 54, and liner plate 54 is arranged in the periphery of material scraping plate 41, can effectively prevent the wearing and tearing to housing 52, housing 52 whole weldering systems, and form air-vent 53.The characteristics of these bellows 50 are simple in structure, can ventilate, again can discharging, owing to be whole weldering system, good sealing effect, liner plate are HT200 cast iron, can be wear-resisting raising service life.

Fig. 4 is the partial schematic diagram according to the tower grate 99 of the coal ash haydite fritting furnace 1 of the utility model one preferred embodiment, as shown in the figure, tower grate 99 is conical, the grate plate 43 at its top is provided with the air vent 47 that a plurality of width are 100 millimeters of 10 mm lengths, and the position distribution of a plurality of these air vents 47 is inhomogeneous, and is bigger than the distribution density of the air vent 47 that is positioned at grate plate 43 peripheries in the distribution density of the air vent 47 at grate plate 43 middle parts.

In sintering process, because furnace chamber 12 middle parts belong to high-temperature area, when frequency conversion air-introduced machine 70 is introduced stove in by last fire door combustion air, by making a plurality of air vents 47 bigger than the distribution density that is positioned at grate plate 43 peripheries in the distribution density at grate plate 43 middle parts, thereby make the throughput at furnace chamber 12 middle parts big, the throughput of furnace chamber 12 peripheries is little, and it is bigger than the heat loss of furnace chamber 12 peripheries therefore to run off by the heat that makes furnace chamber 12 middle parts, reach the purpose of temperature in the balance stove, make the sintering in the stove more even.

Fig. 5 is the structural representation according to the ecp push-pull valve 60 of the flyash sintering furnace 1 of the utility model one preferred embodiment, as shown in the figure, be provided with ecp push-pull valve 60 between the upper and lower elephant trunk 55,56, this ecp push-pull valve 60 comprises: cylinder 62, vavle shelf 63, valve plate 61.When discharging, valve plate 61 can slide up and down between last elephant trunk 55 and following elephant trunk 56 at the drive lower edge of cylinder 62 vavle shelf 63, thereby open or close upper and lower elephant trunk 55,56, block and can block by opening high pressure nozzle 65 mediations that are arranged on the elephant trunk 55 if run into elephant trunk, wherein the installation site of high pressure nozzle 65 and injection direction can be made adjustment as required.

Fig. 6 is the structural representation according to the igniter 20 of the flyash sintering furnace 1 of the utility model one preferred embodiment, and portable igniter 20 is made up of travelling car 27, igniter body 21, heat-resisting fire grate 23 and liquid braking device 25.Main feature is: travelling car 27 can be walked on track 22, realizes many furnace ignitings, and igniter body 21 is made cylindrical by steel plate, inner lining refractory.Heat-resisting fire grate 23 is a strip square tube grate bar.Material is a re-crystallized silicon carbide, heat resisting temperature is more than 1600 ℃, under 1600 ℃ of sintering temperatures, continuously-running is more than 1 year, and every grate bar is a rectangle, and wide W1 is preferably 50mm, high H1 is preferably 60mm, wall thickness S is preferably 6mm, hollow rectangle (as shown in Figure 7), and this shape makes that grate bar intensity height, in light weight, materials are economized, cost is low.Grate stripe pitch 40mm can make flame pass between grate bar interval smoothly.Liquid braking device 25 can make 21 liftings of igniter body, and igniter body 21 is located on the end face of body of heater 10, and the end face of body of heater 10 is provided with encapsulant 15, makes contact between igniter 20 and the body of heater 10, and is seamless, do not leak out, and heat utilization efficiency improves.In this example, the fuel of stacking on the grate bar is coke 200.

Expect easily, utilize coke, just consider lytag production cost factor, also can use other means, for example, utilize igniter coal gas, oil plant etc. as the igniter raw material.

Fig. 8 is according to the distributing device 120 of the flyash sintering furnace 1 of the utility model one preferred embodiment and the structural representation of two-way dispenser 130.As shown in the figure, two-way dispenser 130 is made up of travelling car 131 and two-way conveyer belt 133, by travelling car 131 two-way moving and conveyer belt 133 two-way convey materials, can give traveling charging machine 120 convey materials more than two or two, and, can equably material be filled in moving cloth device storehouse 122 because moving cloth device 120 vertically moves with two-way dispenser 130 laterally to be moved.

Particularly, two-way dispenser 130 is located at the upstream, be positioned at the downstream of raw material ball feeding mechanism 110, traveling charging machine 120 is arranged in the downstream of two-way dispenser 130, it is made of travelling car 125, feed bin 122, hydraulic valve 121,123, hydraulic valve 121,123 comprises hydraulic cylinder 121 and cone valve 123, when cone valve 123 descends with hydraulic cylinder 121, the flyash raw material ball falls along the conical surface of cone valve 123, can be covered with sintering furnace 1 equably like this, not pile up and can not form taper.The characteristics of this traveling charging machine are to run to arbitrary sintering furnace 1 top by the travelling car 125 that is arranged on the track 22, open hydraulic valve 121,123, and the raw material ball in the feed bin 122 is covered with sintering furnace 1 equably.

Fig. 9 is the structural representation according to the material scraper 140 of wiping one's face of the flyash sintering furnace 1 of the utility model one preferred embodiment.As shown in the figure, the movable type material scraper 140 of wiping one's face is made of travelling car 145, scraper plate 142, hydraulicefficiency elevation structure 143, reducing motor 141.Particularly, by being arranged on the travelling car 145 on the track 22, the movable type material scraper 140 of wiping one's face moves to sintering furnace 1 suitable for reading of cloth honest material, hydraulicefficiency elevation structure 143 descends, scraper plate 142 contacts back reducing motor 141 and drives scraper plate 142 rotations with charge level, floating the charge level behind the cloth, and hydraulicefficiency elevation structure 143 rises then, drive reducing motor 141 and scraper plate 142 and get back to the origin-location, travelling car 145 moves to sintering furnace 1 suitable for reading of next cloth.

More than the description that material scraper 140 and two-way dispenser 130 carry out of wiping one's face only is schematic to portable igniter 20, traveling charging machine 120, movable type, in instantiation, dolly 27,131,145,125 can be by electrical motor driven, also can be by fluid motor-driven, and on track 22, also can be provided with travel switch, to locate portable igniter 20, traveling charging machine 120, movable type wipe one's face material scraper 140 and two-way dispenser 130.

Figure 10, Figure 11 are respectively that the master according to the flyash ceramisite sintered equipment 2 of the utility model one preferred embodiment looks, schematic top plan view.As Figure 10, shown in Figure 11, flyash ceramisite sintered equipment 2 comprises: the track 22 that is arranged on sintering furnace 1 top; A plurality of sintering furnaces 1 along track 22 settings; The distributing device 120, wipe one's face material scraper 140 and the igniter 20 that carry respectively on track 22 and move along track 22, and controller (not shown).Wherein, by the drive unit (not shown) can receive the control signal that controller sends is installed on distributing device 120, wipe one's face material scraper 140 and igniter 20, controller can control above-mentioned distributing device 120, wipe one's face material scraper 140 and igniter 20 move and any above-mentioned sintering furnace 1 is carried out cloth respectively, wipes one's face and ignition operation along track 22.

Particularly, be that example describes flyash ceramisite sintered operation only with one of them sintering furnace 1, controller control traveling charging machine 120 carries out the cloth material process along track 22 fast moving to this sintering furnace 1 top, return original position after finishing fast, controller control movable type material scraper 140 fast moving to this sintering furnace 1 top operation of wiping one's face of wiping one's face, charge level behind the cloth is floating, controller makes material scraper 140 leave fire door after the operation of wiping one's face is finished, and make portable igniter 20 move to this sintering furnace 1 top to light a fire after the operation, sintering furnace 1 enters sintering circuit.In sintering circuit, the flyash raw material ball in the sintering furnace 1 is carried out sintering processes, make it form lytag.After sintering circuit was finished, controller started tower grate formula discharger 40 and opens ecp push-pull valve 60, rotate by making tower grate formula discharger 40, and the lytag of broken caking, and lytag is discharged from last elephant trunk 55, and finish the discharging operation.After finishing the discharging operation, controller can be controlled distributing device 120 again and once more this sintering furnace 1 be carried out the cloth material process, thereby can carry out sintering processes to the flyash raw material ball circularly continuously, enhances productivity.

In addition, in flyash ceramisite sintered equipment 2, by track 22 is set, can make a plurality of sintering furnace 1 shared distributing devices 120, material scraper 140 and igniter 20, thereby can save the area occupied of flyash ceramisite sintered equipment 2, and reduce cost, and under the control of controller, distributing device 120, material scraper 140 and igniter 20 can carry out cloth respectively, wipe one's face and ignition operation a plurality of sintering furnaces 1 efficiently, make a plurality of sintering furnaces 1 in the flyash ceramisite sintered equipment 2 all enter sintering circuit at short notice, thereby enhance productivity.

Further, it is arranged side by side that a plurality of flyash ceramisite sintered equipment 2 can be set, and utilize feeding-distribution device that the distributing device 120 of a plurality of flyash ceramisite sintered equipment 2 is distinguished feed, thereby constitute flyash ceramisite sintered system, more sintering furnace 1 can be set with as far as possible little area occupied, thereby reduce cost, enhance productivity.

Shown in Figure 10,11, as an example, two flyash ceramisite sintered equipment 2 are arranged side by side, the two-way truck 130 of giving is set between two flyash ceramisite sintered equipment 2, distributing device 120 difference feeds to two flyash ceramisite sintered equipment 2, thereby more sintering furnace 1 can be set, with as far as possible little area occupied to reduce cost.In addition, can control whole flyash ceramisite sintered system by same controller, be convenient to management, the reliability that raising is handled is also enhanced productivity.

Figure 12 is the structural representation according to the coal ash haydite fritting furnace 3 of another preferred embodiment of the utility model.It and Fig. 1 difference are, body of heater is fixed on the bracing frame 97, the frequency conversion air-introduced machine 70 that produces negative pressure is located at the top of close body of heater, and link to each other with the bellows 50 that are positioned at furnace chamber 12 tops, the lower surface of these bellows 50 is provided with the not uniform a plurality of air vent (not shown) in position, a plurality of these air vents distribute by the mode of central distribution density greater than circumferential distribution density on the lower surface of bellows 50, be used for temperature in the balance stove, the lower end of body of heater is provided with movably igniter 20, the body of heater upper end is by last bell 16 sealings, and the body of heater lower end is by bell 14 sealings down.Its sintering process is as follows, light flyash raw material ball 30 to be sintered from the body of heater lower end, raw material ball 30 is sintering from bottom to top, because lower floor's flyash raw material ball 30 of first sintering bearing load, therefore compare with embodiment shown in Figure 1, also have advantages such as the lytag distortion is little, prevented from caking.

The above only is a preferred embodiment of the present utility model, being intended to provides further instruction to desired the utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes, variation and omission.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (26)

1. a coal ash haydite fritting furnace is characterized in that, comprising:

Body of heater, its inner furnace chamber that holds the flyash raw material ball that forms;

Bellows, the bottom that it is welded on described body of heater is provided with discharging opening and air-vent;

Air inducing equipment links to each other with described air-vent; And

Tower grate formula discharger can be rotatably set in the bottom of described furnace chamber, supports the flyash raw material ball in the described furnace chamber,

Wherein, described flyash raw material ball is lighted on the top of described furnace chamber, gradually from the bottom that sinters to described furnace chamber,

Described tower grate formula discharger top is provided with the grate plate, and this grate plate is provided with a plurality of air vents, and the distribution density of described air vent that is positioned at described grate plate middle part is bigger than the distribution density of the described air vent that is positioned at described grate plate periphery.

2. coal ash haydite fritting furnace according to claim 1 is characterized in that, described air inducing equipment has frequency conversion air-introduced machine and automatically controlled air-valve.

3. coal ash haydite fritting furnace according to claim 1 is characterized in that, the top of described body of heater is provided with the material scraper of wiping one's face that can move.

4. coal ash haydite fritting furnace according to claim 1 is characterized in that the top of described body of heater is provided with the igniter that can move.

5. coal ash haydite fritting furnace according to claim 4 is characterized in that, the high-temperature resistant seal ring that seals between igniter and the sidewall of the furnace body upper surface is equipped with in the upper surface of described side wall of furnace.

6. coal ash haydite fritting furnace according to claim 1 is characterized in that the top of described body of heater is provided with the distributing device that can move.

7. coal ash haydite fritting furnace according to claim 1 is characterized in that, described coal ash haydite fritting furnace comprises: track is arranged on the top of described body of heater;

Distributing device is arranged on described track top, and has drive unit;

The material scraper of wiping one's face is arranged on described track top, and has drive unit;

Igniter is arranged on described track top, and has drive unit;

Controller is used for the drive unit of described distributing device, the material scraper of wiping one's face, igniter is controlled.

8. coal ash haydite fritting furnace according to claim 1 is characterized in that, described furnace chamber is a truncated cone-shaped.

9. coal ash haydite fritting furnace according to claim 1 is characterized in that, the upper shed diameter of described furnace chamber is 1000～3000mm, highly is 1000～3000mm.

10. coal ash haydite fritting furnace according to claim 1 is characterized in that described body of heater is vertically placed.

11. coal ash haydite fritting furnace according to claim 1 is characterized in that, described tilting furnace is placed.

12. coal ash haydite fritting furnace according to claim 1 is characterized in that, described furnace chamber is cylindrical.

13. coal ash haydite fritting furnace according to claim 1 is characterized in that, described furnace chamber is an infundibulate.

14. coal ash haydite fritting furnace according to claim 11 is characterized in that, the diameter of described furnace chamber is 1000～3000mm, and described height is 1000～3000mm.

15. coal ash haydite fritting furnace according to claim 1, it is characterized in that, described tower grate formula discharger also comprises back shaft, is fixed in and unloads charging tray, described unloading is fixed with described grate plate on the charging tray, described at least one material scraping plate that also is provided with downward extension on the charging tray that unloads, described grate plate surface is provided with some outstanding crushing teeths.

16. coal ash haydite fritting furnace according to claim 1 is characterized in that, described tower grate formula discharger is driven by drive unit, and described drive unit comprises motor and cycloidal-pin wheel decelerator at least.

17. coal ash haydite fritting furnace according to claim 1 is characterized in that, on the sidewall of described bellows abrasion-proof backing block is housed.

18. coal ash haydite fritting furnace according to claim 1 is characterized in that, described discharging opening links to each other with the discharging elephant trunk, on the described discharging elephant trunk valve is installed.

19. a coal ash haydite fritting furnace comprises body of heater at least, described body of heater comprises furnace chamber, it is characterized in that:

Described furnace chamber comprises first end and second end, and described first end is provided with bellows, and described bellows connect air inducing equipment, and described second end is the firing tip of flyash raw material ball;

First end of described furnace chamber is provided with a plurality of air vents that are communicated with described bellows and described furnace chamber, and described a plurality of air vents distribute by the mode of middle part distribution density greater than circumferential distribution density,

Wherein, the flyash raw material ball in the described body of heater is from second port spontaneous combustion to the first port.

20. coal ash haydite fritting furnace according to claim 19 is characterized in that, described second end is the top of described furnace chamber, and described first end is the bottom of described furnace chamber, and wherein, described first end also is provided with discharger.

21. coal ash haydite fritting furnace according to claim 19 is characterized in that, described first end is the top of described furnace chamber, and described second end is the bottom of described furnace chamber, and wherein, described second end also is provided with discharger.

22. flyash sintering furnace according to claim 20, it is characterized in that, described discharger is for being arranged on the tower grate formula discharger of described furnace chamber bottom rotationally, the taper tower grate of described tower grate formula discharger stretches in the described furnace chamber, and is provided with spacing between the sidewall of described tower grate edge and described furnace chamber.

23. flyash sintering furnace according to claim 22 is characterized in that, described spacing is 100～300mm.

24. flyash sintering furnace according to claim 20 is characterized in that, the cloth end that described second end is the flyash raw material ball, and be provided with the movably igniter and the scraper of movably wiping one's face.

25. flyash sintering furnace according to claim 21 is characterized in that, described air inducing equipment is located on the side wall of furnace, the cloth end that described first end is the flyash raw material ball.

26. coal ash haydite fritting furnace according to claim 22 is characterized in that, described tower grate formula discharger is driven by the drive unit that is positioned at described bottom of furnace body, and described drive unit comprises motor and cycloidal-pin wheel decelerator at least.

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