CN105271844A - Vertical type solid fuel lime kiln - Google Patents
Vertical type solid fuel lime kiln Download PDFInfo
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- CN105271844A CN105271844A CN201510758165.XA CN201510758165A CN105271844A CN 105271844 A CN105271844 A CN 105271844A CN 201510758165 A CN201510758165 A CN 201510758165A CN 105271844 A CN105271844 A CN 105271844A
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Abstract
The invention provides a vertical type solid fuel lime kiln which enables solid fuels, ore raw materials and combustion-supporting air to be evenly distributed in a cylinder body, enables the calcination temperature and the calcination time to be more uniform, has large production capacity, saves energy, is environmentally friendly, has high automation degree and improves the quality of lime. The vertical type solid fuel lime kiln includes the cylinder body, a distributing device, a discharging device and an air distributing device. The distributing device comprises a distributing conveyor, a longitudinal moving device driving the distributing conveyor to perform reciprocating movement in the longitudinal direction of a conveying belt and a horizontal moving device driving the longitudinal moving device and the distributing conveyor to perform reciprocating movement in the horizontal direction of the conveying belt. The distributing conveyor comprises the conveying belt driven to operate by a conveying belt power device and used for conveying of the solid fuels and the ore raw materials. When the distributing conveyor performs horizontal or longitudinal movement, the blanking end of the conveying belt is located above the cylinder body. The solid fuels and the ore raw materials conveyed through the conveying belt can fall to any position of the cross section of the cylinder body.
Description
Technical field
This technology relates to vertical limestone kiln, specifically, is with the vertical limestone kiln of solid fuel of the particulate solid fuel production lime such as coal, coke, blue charcoal.
Background technology
The vertical limestone kiln of existing solid fuel, generally comprises cylindrical shell, and cylindrical shell upper end is provided with distribution device, cylindrical shell lower end is provided with dumping device, above dumping device, has air-supply arrangement.
Distribution device generally adopts bend pipe distributor or bell distributor or revolving top, and solid fuel and ore are promoted to cylindrical shell top through lifting gear, sends in cylindrical shell through bend pipe distributor or bell distributor or revolving top.Because solid fuel and ore granular size differ, when falling in cylindrical shell, (macrobead rolls to around to produce segregation phenomenon, small-particle concentrates on body centre), material skewness, cylindrical shell cross section everywhere, solid fuel and ore some places many, some places are few.Due to material skewness, cylindrical shell cross section everywhere, material density is different, and the combustion air sent into by air-supply arrangement amount is throughout also different.And material is in the process moved down, and resistance is different everywhere.It is comparatively large that these factors all result in the speed difference that on same cross section, limestone kiln, temperature and material decline, and namely the time of the material temperature of calcining in kiln and calcining is uneven, and the lime quality therefore produced is uneven.In addition, because cylindrical shell upper end is uncovered, flue gas is directly discharged by cylindrical shell upper end, is difficult to carry out collection and treatment, contaminate environment to flue gas.
In addition, due to the limitation of reinforced, discharging, air blast mode, existing solid fuel particularly burn raw coal, coke lime vertical kiln throughput all smaller.
Fall behind owing to equipping at the various lots of coal-fired lime vertical kiln of China, quality product is low, environmental pollution is serious, many places have started to forbid producing, if but adopt the limestone kiln of importing technology such as Maers Kiln, sleeve kiln, Fu Kasi twin beams kiln, west to cover two D kiln and rotary kiln etc., not only investment is large, production cost is high, most requirement is geseous fuel or levigate coal dust, does not meet China large in number and widely distributed based on the national conditions of firing raw coal.
Summary of the invention
The object of this technology is to provide one and solid fuel and ore and combustion air can be made can be uniformly distributed in cylindrical shell, calcining temperature and calcination time uniformity more, throughput is large, energy-conserving and environment-protective, level of automation is high, improves the vertical limestone kiln of solid fuel of lime quality.
The vertical limestone kiln of this solid fuel, comprises cylindrical shell, and cylindrical shell upper end is provided with distribution device, cylindrical shell lower end is provided with dumping device, above dumping device, has air-distributing device; The longitudinal moving device that described distribution device comprises distribution conveyor, drive distribution conveyor to move back and forth along the longitudinal direction of conveying belt, drive longitudinal moving device and distribution conveyor along the traverse motion horizontal mobile device of conveying belt; Distribution conveyor be included in conveying belt power set drive lower and run, for the conveying belt of conveying solid substance fuel and ore; When distribution conveyor transverse shifting or when vertically moving, the blanking end of conveying belt is positioned at above cylindrical shell.Cylindrical shell cross section can be dropped on everywhere by the solid fuel of tape transport and ore.
This technology additionally provides can the make solid fuel and ore and combustion air that the another kind of and above-mentioned vertical limestone kiln of solid fuel belongs to same inventive concept and can be uniformly distributed in cylindrical shell, calcining temperature and calcination time uniformity more, improves the vertical limestone kiln of solid fuel of lime quality.
This vertical limestone kiln of another kind of solid fuel, comprises cylindrical shell, cylindrical shell upper end is provided with distribution device, cylindrical shell lower end is provided with dumping device, above dumping device, has air-distributing device; It is characterized in that: described distribution device comprises distribution conveyor, the horizontal mobile device that drives distribution conveyor to move back and forth along the horizontal direction of conveying belt, the longitudinal moving device that drives horizontal mobile device and distribution conveyor to move back and forth along the longitudinal direction of conveying belt; Distribution conveyor be included in conveying belt power set drive lower and run, for the conveying belt of conveying solid substance fuel and ore; When distribution conveyor transverse shifting or when vertically moving, the blanking end of conveying belt is positioned at above cylindrical shell.
In order to the convenience illustrated, this technology is described mainly for the vertical limestone kiln of the first solid fuel.
The beneficial effect of this technology: during use, solid fuel and ore are put on the conveying belt of distribution conveyor.Because distribution conveyor vertically moves under the drive of longitudinal moving device, transverse shifting under the drive of horizontal mobile device, so the blanking end of conveying belt can in the cross section of cylindrical shell longitudinally, transverse shifting, like this, the material fallen by the blanking end of conveying belt can fall cylindrical shell cross section everywhere, on the same cross section of cylindrical shell, material is evenly distributed unanimously, gap between material is also basically identical, therefore, on the same cross section of combustion air, pressure is everywhere identical, add that solid fuel is everywhere consistent with ore ratio, ensure that the quality of the lime produced.
In order to solid fuel and the further accurate measurement of ore, solid fuel metering discharging device, ore metering discharging device can be arranged.But due to distribution conveyor constantly vertically moving, transverse shifting, in order to make by solid fuel measure discharging device, ore metering discharging device release solid fuel and ore can fall on conveying belt, also need solid fuel to measure discharging device, ore metering discharging device can move together along with distribution conveyor, this adds difficulty undoubtedly.For this reason, as further improvement, the vertical limestone kiln of described solid fuel, it also comprises main conveyor, traverse motion along conveying belt under the drive of horizontal mobile device together with distribution conveyor of main conveyor, longitudinal moving device; The main conveyor belt run under main conveyor is included in the drive of main conveyor belt power set; The blanking end side on the conveyor belt of main conveyor belt.
The vertical limestone kiln of described solid fuel, solid fuel metering discharging device, ore metering discharging device are fixed on the top of main conveyor belt.Or the vertical limestone kiln of described solid fuel, also comprises the transporter for solid fuel and ore being transported on main conveyor belt, solid fuel metering discharging device, ore metering discharging device are arranged on the top of transporter.
Solid fuel is directly fallen and is fallen on main conveyor belt on main conveyor belt or after being carried by transporter after the metering of solid fuel metering discharging device, ore is directly fallen and is fallen on main conveyor belt on main conveyor belt or after being carried by transporter after the metering of ore metering discharging device, main conveyor belt is delivered to the solid fuel through measuring and ore on conveying belt, then falls into cylindrical shell cross section everywhere through conveying belt.Like this, fuel metering discharging device, ore metering discharging device can be fixed on certain position above cylindrical shell, not only can improve the accuracy of metering, also be convenient to the fuel elevated and ore to send into fuel metering discharging device, ore metering discharging device.Certainly, fuel metering discharging device, ore metering discharging device also can be arranged on and comprise ground Anywhere, the metering work of handled easily person, cylindrical shell top is transported to by transporter (as lifting gear) after solid fuel and ore metering, through main conveyor belt, the solid fuel through measuring and ore are delivered on conveying belt again, then fall into cylindrical shell cross section everywhere through conveying belt.
The vertical limestone kiln of described solid fuel, is provided with feed bin in cylindrical shell upper end; Above feed bin, be provided with distribution device, the blanking end of conveying belt is positioned at above feed bin; The bottom of feed bin arranges and multiplely communicates with feed bin and stretch into the tremie pipe in cylindrical shell to downward-extension.Best, tremie pipe is uniformly distributed on feed bin cross section.Tremie pipe is uniformly distributed and refers to that, on the same cross section of feed bin, the spacing between the tremie pipe that caliber is identical is substantially equal on feed bin cross section, and object ensures that the material being entered cylindrical shell by tremie pipe is evenly distributed on cylindrical shell cross section.Owing to arranging feed bin, ensure the height that bin-level is suitable, material enters cylindrical shell by tremie pipe after falling into feed bin, material in feed bin and tremie pipe can play the effect of shutoff to cylindrical shell top, can prevent the flue gas (i.e. the tail gas of kiln) on cylindrical shell top from discharging and atmosphere pollution, also prevent air from entering in cylindrical shell simultaneously.Certainly, also material-level detecting device can be set on feed bin, prevent the material in feed bin very few, and cannot plugging action be played.Best, cylindrical shell top is communicated with smoke discharge pipe.Smoke discharge pipe can communicate with the top of cylindrical shell or sidepiece.This smoke discharge pipe can also be connected with fly-ash separator induced draft fan and carry out udst separation process.Best, the flue gas that smoke discharge pipe is discharged can also carry out preheating by an interchanger to the combustion air sent in cylindrical shell through air-distributing device.Make use of the waste heat of limestone kiln tail gas like this, be also conducive to the working conditions meeting waste gas dedusting system simultaneously.Described feed bin top is square or rectangle, and the material fallen by conveying belt can not fall feed bin outside, and for the shaft kiln of circular cylinder body, feed bin bottom is circular, conveniently docks with cylindrical shell.
The vertical limestone kiln of described solid fuel, air-distributing device comprises the airduct extend in cylindrical shell cross section, on the airduct side of cylindrical shell bottom, having air outlet.Best, air outlet is uniformly distributed on cylindrical shell cross section.Air outlet is uniformly distributed and refers to that, on the same cross section of feed bin, the spacing between the air outlet that size is identical is substantially equal on cylindrical shell cross section, and object ensures that the combustion air being entered cylindrical shell by air outlet is evenly distributed on cylindrical shell cross section.This technology adopts this wind pipe type air-distributing device and does not adopt traditional funnel-cap type air-supply arrangement, little to the resistance of material, and to be easy to accomplish that on cylindrical shell cross section resistance is everywhere basically identical by the layout of airduct, can not translational speed be different everywhere because resistance difference everywhere causes material, ensure that the quality of the finished product.Best, the branch wind pipe that described airduct comprises air main and communicates with air main, extends along air main radial direction.Set out air port at air main and branch wind pipe, air outlet being uniformly distributed on cylindrical shell cross section can be ensured further.Why on the airduct side of cylindrical shell bottom, having air outlet, and on the airduct side on cylindrical shell top, do not having air outlet, is in order to material enters in air outlet.Traditional funnel-cap type air-supply arrangement then can hinder the normal pass of material, is also one of reason causing material blanking inequality.
The vertical limestone kiln of described solid fuel, described airduct have two-layer or two-layer more than, neighbouring two-layer airduct dislocation is arranged.The airduct extend in cylindrical shell can divide at the height that shaft kiln is different layer 2-3 to arrange, and preferably take to be uniformly distributed, to misplace layout.When with flue gas by heat exchanger to when sending into through air-distributing device that combustion air carries out preheating in cylindrical shell, preferably to the air themperature passed in the airduct of upper strata higher than the air themperature passed in lower floor's airduct.
The vertical limestone kiln of described solid fuel, cylinder body bottom arranges multiple up big and down small taper bucket, is provided with feed opening below each taper bucket; Below feed opening, there is dumping device.
The vertical limestone kiln of described solid fuel, cylinder body bottom arranges supporting board, supporting board has multiple spigot discharge; Below spigot discharge, there is dumping device.
Best, it also comprises the finished product handling equipment or blanking storehouse that to export with dumping device and be connected.The dumping device such as having of dumping device routine is manual, electronic, pneumatic, surge; Best, dumping device has airtight, lock wind function.
Best, feed opening or spigot discharge are uniformly distributed on cylindrical shell cross section; Feed opening or spigot discharge are uniformly distributed and refer on the same cross section of cylindrical shell on cylindrical shell cross section, spacing between the feed opening that size is substantially identical or spigot discharge is substantially equal, object be ensure by each feed opening or spigot discharge mass flow out substantially equal.
The vertical limestone kiln of above-mentioned solid fuel, the upper end in blanking storehouse is docked with cylindrical shell lower end, and dumping device is positioned at blanking storehouse; The lower end in blanking storehouse has discharge port; Blanking storehouse is provided with the material-level detecting device controlling controlling level in blanking storehouse.Discharge outlet arranges conventional shedding mechanism, and as unloading machine or the discharge valve such as manual, electronic, pneumatic, to surge, shedding mechanism outlet is carried with finished product again or transportation equipment is connected.Best, discharge port is evenly distributed on the cross section of blanking storehouse, discharge port is evenly distributed on the cross section of blanking storehouse and refers on the same cross section in blanking storehouse, spacing between the discharge port that size is substantially identical is substantially equal, and object is that guarantee is substantially equal by each discharge port mass flow out.
Blanking storehouse is provided with the level monitoring device detecting material level height in blanking storehouse, such as Anti-rotation type material level switch, radar type level-sensing device etc., object is the recoverable amount controlling material in blanking storehouse, ensure that the discharging quantity of supporting board spigot discharge bottom discharge device and the unloading machine of blanking bin discharge port external or discharge valve (shedding mechanism) discharging quantity match, ensure the not overfill and affect the normal operation of the dumping device of supporting board spigot discharge bottom of material in blanking storehouse, also to ensure in blanking storehouse that material is not very few causes wind in kiln to leak simultaneously, therefore blanking storehouse is not only for accepting the lime storing dumping device and unload in kiln, also there is the effect of lock wind simultaneously.
The vertical limestone kiln of described solid fuel, is positioned at blanking storehouse dumping device, has various ways, as oscillatory type dumping device, reciprocating sliding formula dumping device, rotation-swing type dumping device, has the revolving spiral formula dumping device of revolving spiral blade.
The vertical limestone kiln of described solid fuel, oscillatory type dumping device comprises bearing material device, vibrator, and bearing material device and vibrator are rigidly connected, and bearing material device is connected with fixing support or suspension bracket by elastic element.
The installation site of vibrator, a kind of form is positioned at outside hot environment, and another form is positioned at hot environment.When vibrator is positioned at hot environment, vibrator is positioned at airtight case, and case two ends connect cooling blast pipe, air outlet tube respectively; Case is positioned at closed blanking storehouse, and blast pipe, air outlet tube are through blanking storehouse.When vibrator action, namely bearing material device vibrates, and the material be positioned at above bearing material device is vibrated activation and falls from bearing material device.When vibrator action stops, material is motionless, is stuck on bearing material device, and material can not fall from spigot discharge.Owing to adopting the case ventilated to cool vibrator, ensure that vibrator reliable operation in high temperature environments, this vibrator can be electrically connected with programmable logic controller simultaneously, realizes the automatic control to this dumping device.By changing vibrator vibrational frequency, material falling velocity and falling amount can be controlled.When vibrator is positioned at outside hot environment, bearing material device is positioned at closed blanking storehouse, and vibrator is positioned at outside blanking storehouse.For the kiln compared with large gauge, multiple stage even the bearing material device of more than 10 can be rigidly connected, then connect vibrator, best, vibrator is placed in outside blanking storehouse.
The vertical limestone kiln of described solid fuel, reciprocating sliding formula dumping device, comprises the stock pusher be fixed on charging ram, drives the to-and-fro movement producer of charging ram straight reciprocating motion; Bearing material device is had below stock pusher; The front and rear part that bearing material device is positioned at stock pusher has blanking port.To-and-fro movement producer (as oil cylinder, cylinder or other mechanical pattern etc.) action, drive charging ram to move forward and backward, material is promoted by stock pusher, falls from the blanking port bearing material device.When to-and-fro movement producer stops action, stock pusher stops mobile, and material would not fall.By changing the speed of stock pusher movement, material falling velocity and falling amount can be controlled.For the kiln compared with large gauge, the multiple stage even stock pusher of more than 10 can be rigidly connected, then connect reciprocal producer.
The vertical limestone kiln of described solid fuel, rotation-swing type dumping device, comprises the setting gauge be fixed on switch axle, drives switch axle around the switch motion generator of axis reciprocally swinging, have bearing material device below setting gauge; The both sides that bearing material device is positioned at setting gauge have blanking port.The action of switch motion generator, drive switch axle reciprocally swinging, material falls from the blanking port bearing material device.When switch motion generator stops action, switch axle stops swinging, and material would not fall.By changing the frequency that switch axle rotates, material falling velocity and falling amount can be controlled.For the kiln compared with large gauge, the multiple stage even setting gauge of more than 10 can be rigidly connected, then connect switch motion generator.
The vertical limestone kiln of described solid fuel, revolving spiral formula dumping device, the turning motion producer comprising the screw-blade be fixed on rotating shaft, drive rotating shaft to be rotated about axis, has bearing material device below rotating shaft; The front that bearing material device is positioned at the screw-blade on rotating shaft has blanking port.Turning motion producer (as motor) action, drive rotating shaft to rotate, material, by screw-blade driven forward, falls from the blanking port bearing material device.When turning motion producer stops action, rotating shaft stops operating, and material would not fall.By changing the speed that rotating shaft rotates, material falling velocity and falling amount can be controlled.
Dumping device action can be discharged in blanking storehouse or kiln external body from spigot discharge the lime completing calcining and cooling uniformly.During dumping device stopping action, material does not fall by spigot discharge.The size of discharging quantity can be controlled by the operating frequency and amplitude regulating dumping device.Due to have multiple in check while discharging or the dumping device action of alternately discharging, thus ensure that the homogeneity of material lowering speed on same cross section in kiln.
The vertical limestone kiln of described solid fuel, by the dumping device of control supporting board spigot discharge and the shedding mechanism in blanking storehouse, the load of kiln can be controlled, ensure identical with the inlet amount that distribution device is sent in cylindrical shell, make to be full of material all the time in cylindrical shell, material order moves down, and ensures the quality of the finished product.The vertical limestone kiln of described solid fuel, owing to having unique distribution device, air-distributing device, dumping device, kiln cylinder body can manufacture large gauge, thus can manufacture large-scale and superhuge solid fuel limestone kiln; Also Automated condtrol is realized easily via thermal meter, PLC; System good leak tightness, tail gas can be concentrated and carry out udst separation process, and limestone kiln exhaust emissions and operating environment are taken on a new look at all, and the CO2 concentration of tail gas is high, for waste gas utilization creates good conditions.
Distribution device, air-distributing device, the dumping device in the vertical limestone kiln of described solid fuel, combinationally use, and also can independently use.
The vertical limestone kiln of described solid fuel, the limestone kiln that can to apply to Wingdale or rhombspar be raw material, also can apply to the calcining of other block granulated products.
Along with the increasing of kiln type scale, multiple tremie pipe can be more than ten even tens tremie pipes.For adapting to the limestone kiln of more large gauge, multiple taper buckets of cylinder body bottom, or the multiple spigot discharges on supporting board, quantity can be more than ten even tens, and dumping device also has more than ten even tens accordingly.
Distribution conveyor is rotary conveyor or drag conveyer or bucket chain conveyor.Main conveyor is rotary conveyor or drag conveyer or bucket chain conveyor.
Accompanying drawing explanation
Fig. 1 is the structural representation in the vertical limestone kiln of solid fuel of embodiment 1.
Schematic diagram when Fig. 2 is solid fuel vertical lime kiln operations.
Fig. 3 is the enlarged diagram of the distribution device in Fig. 1.
Fig. 4 be distribution device in Fig. 1 overlook enlarged diagram.
Fig. 5 is tremie pipe or the distribution schematic diagram of spigot discharge on cylindrical shell cross section.
Fig. 6 is air-distributing device 8 upward view in Fig. 1.
Fig. 7 is the schematic diagram such as oscillatory type dumping device.
Fig. 8 is the schematic diagram such as reciprocating sliding formula dumping device.
Fig. 9 is the schematic diagram such as rotation-swing type dumping device.
Figure 10 is the schematic diagram such as revolving spiral formula dumping device.
Figure 11 is the schematic diagram such as the material-level detecting device on blanking storehouse.
Figure 12 is the partial schematic diagram in the vertical limestone kiln of solid fuel of embodiment 2.
Figure 13 is the partial schematic diagram in the vertical limestone kiln of solid fuel of embodiment 3.
Figure 14 is the partial schematic diagram in the vertical limestone kiln of solid fuel of embodiment 4.
Figure 15 is the combination vibration formula dumping device schematic top plan view in Figure 14.
Figure 16 is the schematic diagram of another kind of combination vibration formula dumping device etc.
Embodiment
Embodiment 1:
See the vertical limestone kiln of solid fuel shown in Fig. 1,2, comprise cylindrical shell 100, be provided with the feed bin 61 of square top and round bottom in cylindrical shell upper end; Above feed bin, be provided with distribution device, cylindrical shell lower end is provided with dumping device 9, there is air-distributing device 8 above dumping device.
See Fig. 3,4, described distribution device comprises distributing belt machine 1, longitudinal moving device 2, horizontal mobile device 3, main conveyor 4.
Distributing belt machine 1 be included in conveying belt power set (not shown) drive lower and run, for conveying solid substance fuel and ore conveying belt 11, the frame 12 of conveying belt power set, conveying roller etc. is set.Frame 12 is arranged on and vertically moves on frame 21 (in other words, frame 12 with vertically move frame 21 are one).
Longitudinal moving device 2 comprise vertically move frame 21, be arranged on the longitudinal roller 22 vertically moved on frame 21, the long rails 23 be arranged on transverse shifting frame 31, drive the longitudinal direction of longitudinal roller track 23(conveying belt along the longitudinal) the vertical movable driving equipment (not shown) of reciprocating rolling is arranged on and vertically moves on frame 21.
Horizontal mobile device 3 comprises transverse shifting frame 31, the transverse-roller 32 be arranged on transverse shifting frame 31, be fixedly installed cylindrical shell top cross track 33, drive transverse-roller along the horizontal direction of cross track 33(conveying belt) the transverse shifting drive unit (not shown) of reciprocating rolling is arranged on transverse shifting frame 31.
Main conveyor 4 be included in main conveyor belt power set (not shown) drive lower and run, for conveying solid substance fuel and ore main conveyor belt 41, the mainframe 42 of main conveyor belt power set, main conveying roller etc. is set.Mainframe 42 is arranged on (in other words, mainframe 42 and transverse shifting frame 31 are one) on transverse shifting frame 31.There is fixing solid fuel metering discharging device 51, ore metering discharging device 52 above main conveyor belt.Main conveyor belt 41 is perpendicular with the traffic direction of conveying belt 11.The blanking end side on the conveyor belt of main conveyor belt.
The action of transverse shifting drive unit, drives the horizontal direction of main conveyor 4, longitudinal moving device transversely track 33(conveying belt together with distributing belt machine) move back and forth.
When distributing belt machine transverse shifting, the blanking end of conveying belt moves between the left side and right side of feed bin upper end.When distributing belt machine vertically moves, the blanking end of conveying belt moves between the front side and rear side of feed bin upper end.
The bottom of feed bin arranges and multiplely communicates with feed bin 61 and stretch into the tremie pipe 62 in cylindrical shell to downward-extension; See Fig. 5, tremie pipe is uniformly distributed on feed bin cross section.The cylinder lateral wall stretching into tremie pipe is communicated with smoke discharge pipe 7.
See Fig. 6, the two-layer airduct extend in cylindrical shell that air-distributing device 8 comprises blower fan 84, communicates with blower fan.The branch wind pipe 82 that the every layer of airduct 85 extend in cylindrical shell comprises air main 81 and communicate with air main, extend along air main radial direction.The zygomorphy of cylindrical shell cross-sectional axis is provided with an air main 81 and several branch wind pipe 82.Air outlet 83 is being had on the air main 81 and branch wind pipe 82 side of cylindrical shell bottom; The air outlet that size is substantially identical is uniformly distributed on cylindrical shell cross section.Air main in upper and lower two-layer airduct staggers up and down, and branch wind pipe also staggers up and down.Blower fan 84 air outlet directly communicates with the air main in lower floor airduct, and blower fan 84 air outlet is also communicated with the air main in the airduct of upper strata by heat exchanger 86.The flue gas that smoke discharge pipe 7 is discharged is emptying or carry out subsequent disposal or utilization again after over-heat-exchanger 86, carries out preheating to the air entered in the airduct of upper strata.
The supporting board 91 being positioned at cylinder body bottom has multiple spigot discharge (discharge channel) 92, and see Fig. 5, spigot discharge is uniformly distributed on cylindrical shell cross section.Be blanking storehouse 93 in the bottom of supporting board, the upper end in blanking storehouse is docked with cylindrical shell lower end, and the lower end in blanking storehouse is tapered, and has the discharge port 94 be positioned on tubular axis.There is below spigot discharge in blanking storehouse dumping device 95.
Dumping device 95 can be oscillatory type dumping device 951, and see Fig. 7, it mainly comprises bearing material device 9514, vibrator 9511, and bearing material device and vibrator are all positioned at case 9512, and case two ends have the blast pipe 9513 stretched out outside blanking storehouse, air outlet tube 9515 respectively.Bearing material device is connected with supporting board bottom by spring 9516, all arranges a bearing material device (have gap between certainly adjacent bearing material device, can fall to make material) below each spigot discharge.Cold wind is passed into blast pipe 9513, and after forcing to cool vibrator, hot blast blows out from air outlet tube again.From spigot discharge lime temperature out at about 100 DEG C, if do not carry out effective cooling to vibrator, vibrator cannot normally work.
Dumping device 95 can be can the reciprocating sliding formula dumping device 952 of straight reciprocating motion, see Fig. 8, it mainly comprises the stock pusher 9522 be fixed on charging ram 9521, drives the to-and-fro movement producer (as oil cylinder, cylinder, cam mechanism etc.) 9523 of charging ram straight reciprocating motion, there is stock pusher in the below of spigot discharge, below stock pusher, have bearing material device 9524.The front and rear part that bearing material device is positioned at stock pusher has blanking port.Stock pusher and bearing material device are positioned at blanking storehouse, and to-and-fro movement producer is positioned at outside blanking storehouse.Drop on bearing material device from spigot discharge material out, stock pusher moves, and material is pushed from bearing material device, falls through blanking port.
Dumping device 95 can be can the rotation-swing type dumping device 953 of reciprocal switch, see Fig. 9, it mainly comprises the setting gauge 9532 be fixed on switch axle 9531, drives switch axle around the switch motion generator 9533 of the reciprocally swinging of axis, there is setting gauge in the below of spigot discharge, below setting gauge, have bearing material device 9534.The both sides that bearing material device is positioned at setting gauge have blanking port.Setting gauge and bearing material device are positioned at blanking storehouse, and switch motion generator is positioned at outside blanking storehouse.Drop on bearing material device from spigot discharge material out, setting gauge swings, and material is pushed from bearing material device, falls through blanking port.
Dumping device 95 can be the revolving spiral formula dumping device 954 with revolving spiral blade, see Figure 10, the turning motion producer 9543 that it mainly comprises the screw-blade 9542 be fixed on rotating shaft 9541, drives rotating shaft to be rotated about axis, there is rotating shaft in the below of spigot discharge, below rotating shaft, have bearing material device 9544.The front that bearing material device is positioned at the screw-blade on rotating shaft has blanking port.Screw-blade and bearing material device are positioned at blanking storehouse, and turning motion producer is positioned at outside blanking storehouse.Drop on bearing material device from spigot discharge material out, rotating shaft rotates, and screw-blade pushes forward bearing material device material, falls through blanking port.
See Figure 11, blanking storehouse is provided with the material-level detecting device 96 controlling controlling level in blanking storehouse, and comprise material-level detecting device 961 and lower material-level detecting device 962, they detect the controlling level in blanking storehouse in real time.
See Fig. 2, by controlling discharge port and the dumping device in blanking storehouse, can control the load in the vertical limestone kiln of solid fuel, ensureing identical with the inlet amount that distribution device is sent in cylindrical shell, making to be full of material 200 all the time in cylindrical shell, material order moves down.
Embodiment 2:
The vertical limestone kiln of solid fuel shown in Figure 12, comprises cylindrical shell 2100, and cylinder body bottom arranges multiple up big and down small taper bucket 297, is provided with feed opening (discharge channel) 2971 below each taper bucket; Have below each feed opening one conventional manual, electronic, pneumatic, the dumping device 29 such as surge.The finished product handling equipment 298 exporting with dumping device and be connected is provided with in the below of each dumping device 29.
The two-layer airduct 285 extending in cylindrical shell, stagger up and down that air-distributing device 28 comprises blower fan, communicates with blower fan.Fan outlet is communicated with upper strata airduct by heat exchanger 286.The flue gas that smoke discharge pipe is discharged to enter after heat exchanger more emptying through exhanst gas outlet 2862 through smoke inlet 2861 or carries out subsequent disposal, carries out preheating to the combustion air entered in the airduct of upper strata.
Other component in the vertical limestone kiln of this solid fuel are as similar to Example 1 in distribution device, feed bin, tremie pipe, smoke discharge pipe etc., repeat no more.
By controlling dumping device 29, can control the load in the vertical limestone kiln of solid fuel, ensureing identical with the inlet amount that distribution device is sent in cylindrical shell, making to be full of material 2200 all the time in cylindrical shell, material order moves down.
Embodiment 3:
The vertical limestone kiln of solid fuel shown in Figure 13, comprises cylindrical shell 3100, and cylinder body bottom arranges multiple discharge channel 3971; Loading and unloading material device 391, lower dumping device 392 is provided with in each discharge channel.Loading and unloading material device 391, lower dumping device 392 be conventional manual, electronic, pneumatic, the dumping device such as surge.Be provided with in the below of lower dumping device 392 and export with lower dumping device the finished product handling equipment 398 be connected.Loading and unloading material device action, material enters in the passage between lower dumping device in cylindrical shell; Lower dumping device action, the material between loading and unloading material device and lower dumping device is fallen on finished product handling equipment.Loading and unloading material device and the action successively of lower dumping device, also play the effect of discharging lock wind.
Other component in the vertical limestone kiln of this solid fuel are similar to Example 2, repeat no more.
Embodiment 4: the vertical limestone kiln of solid fuel shown in Figure 14, comprises cylindrical shell 4100, the supporting board 491 being positioned at cylinder body bottom has multiple spigot discharge (discharge channel) 492, and spigot discharge is uniformly distributed on cylindrical shell cross section.Be blanking storehouse 493 in the bottom of supporting board, the upper end in blanking storehouse is docked with cylindrical shell lower end, and the lower end in blanking storehouse is tapered, and has the discharge port 494 be positioned on tubular axis.Conventional shedding mechanism 499 is set below discharge port 494, is provided with and finished product handling equipment 498 in the below of conventional shedding mechanism 499.
There is below spigot discharge in blanking storehouse combination vibration formula dumping device 495.See Figure 14,15, combination vibration formula dumping device mainly comprises multiple bearing material device 49514, the vibrator 49511 be positioned at outside blanking storehouse 493, bearing material device is connected with supporting board bottom by spring 49516, a bearing material device (have gap between certainly adjacent bearing material device, can fall to make material) is all set below each spigot discharge.Be connected by web member 49517 between adjacent bearing material device.Vibrator 49511 is connected with bearing material device or web member 49517 by vibration transmission connection piece 49518.
Be arranged on another kind of combination vibration formula dumping device 595 on the vertical limestone kiln of solid fuel see Figure 16, mainly comprise multiple bearing material device 59514, the vibrator 59511 be positioned at outside blanking storehouse 593, bearing material device is connected with the support 59519 be fixed on blanking storehouse by spring 59516, a bearing material device (have gap between certainly adjacent bearing material device, can fall to make material) is all set below each spigot discharge.Be connected by web member 59517 between adjacent bearing material device.Vibrator 59511 is connected with bearing material device or web member 59517 by vibration transmission connection piece 59518.
The two-layer airduct 485 extending in cylindrical shell, stagger up and down that air-distributing device 48 comprises blower fan, communicates with blower fan.Fan outlet is communicated with upper strata airduct by heat exchanger 486.The flue gas that smoke discharge pipe is discharged is emptying or carry out subsequent disposal again after over-heat-exchanger, carries out preheating to the air entered in the airduct of upper strata.
Other component in the vertical limestone kiln of this solid fuel are as similar to Example 1 in distribution device, feed bin, tremie pipe, smoke discharge pipe etc., repeat no more.
By the shedding mechanism below the discharge port in control blanking storehouse and the dumping device below spigot discharge, the load in the vertical limestone kiln of solid fuel can be controlled, ensure identical with the inlet amount that distribution device is sent in cylindrical shell, make to be full of material all the time in cylindrical shell, material order moves down.
Claims (10)
1. the vertical limestone kiln of solid fuel, comprises cylindrical shell, and cylindrical shell upper end is provided with distribution device, cylindrical shell lower end is provided with dumping device, above dumping device, has air-distributing device; It is characterized in that: described distribution device comprises distribution conveyor, the longitudinal moving device that drives distribution conveyor to move back and forth along the longitudinal direction of conveying belt, the horizontal mobile device that drives longitudinal moving device and distribution conveyor to move back and forth along the horizontal direction of conveying belt; Distribution conveyor be included in conveying belt power set drive lower and run, for the conveying belt of conveying solid substance fuel and ore; When distribution conveyor transverse shifting or when vertically moving, the blanking end of conveying belt is positioned at above cylindrical shell.
2. the vertical limestone kiln of solid fuel as claimed in claim 1, it is characterized in that: further comprising main conveyor, traverse motion along distribution conveyor conveying belt under the drive of horizontal mobile device together with distribution conveyor of main conveyor, longitudinal moving device; The main conveyor belt run under main conveyor is included in the drive of main conveyor belt power set; The blanking end side on the conveyor belt of main conveyor belt.
3. the vertical limestone kiln of solid fuel as claimed in claim 1, is characterized in that: cylindrical shell upper end is provided with feed bin; Above feed bin, be provided with distribution device, the blanking end of conveying belt is positioned at above feed bin; The bottom of feed bin arranges and multiplely communicates with feed bin and stretch into the tremie pipe in cylindrical shell to downward-extension.
4. the vertical limestone kiln of solid fuel as claimed in claim 1, is characterized in that: cylindrical shell top is communicated with smoke discharge pipe, and the flue gas that smoke discharge pipe is discharged carries out preheating by an interchanger to the combustion air sent in cylindrical shell through air-distributing device.
5. the vertical limestone kiln of solid fuel as claimed in claim 1, is characterized in that: air-distributing device comprises the airduct extend in cylindrical shell cross section, on the airduct side of cylindrical shell bottom, is having air outlet.
6. the vertical limestone kiln of solid fuel as claimed in claim 5, is characterized in that: described airduct have two-layer or two-layer more than, neighbouring two-layer airduct dislocation is arranged.
7. the vertical limestone kiln of solid fuel as claimed in claim 1, is characterized in that: cylinder body bottom arranges multiple up big and down small taper bucket, is provided with feed opening below each taper bucket; Below feed opening, there is dumping device.
8. the vertical limestone kiln of solid fuel as claimed in claim 1, is characterized in that: cylinder body bottom arranges supporting board, supporting board has multiple spigot discharge; Below spigot discharge, there is dumping device.
9. the as claimed in claim 7 or 8 vertical limestone kiln of solid fuel, it is characterized in that: further comprising the finished product handling equipment or blanking storehouse that to export with dumping device and be connected; The upper end in blanking storehouse is docked with cylindrical shell lower end, and dumping device is positioned at blanking storehouse, and the dumping device in blanking storehouse is oscillatory type dumping device or reciprocating sliding formula dumping device or rotation-swing type dumping device or revolving spiral formula dumping device; The lower end in blanking storehouse has discharge port; Discharge port lower end has shedding mechanism.
10. the vertical limestone kiln of solid fuel, comprises cylindrical shell, and cylindrical shell upper end is provided with distribution device, cylindrical shell lower end is provided with dumping device, above dumping device, has air-distributing device; It is characterized in that: described distribution device comprises distribution conveyor, the horizontal mobile device that drives distribution conveyor to move back and forth along the horizontal direction of conveying belt, the longitudinal moving device that drives horizontal mobile device and distribution conveyor to move back and forth along the longitudinal direction of conveying belt; Distribution conveyor be included in conveying belt power set drive lower and run, for the conveying belt of conveying solid substance fuel and ore; When distribution conveyor transverse shifting or when vertically moving, the blanking end of conveying belt is positioned at above cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758165.XA CN105271844A (en) | 2015-11-09 | 2015-11-09 | Vertical type solid fuel lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758165.XA CN105271844A (en) | 2015-11-09 | 2015-11-09 | Vertical type solid fuel lime kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105271844A true CN105271844A (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510758165.XA Pending CN105271844A (en) | 2015-11-09 | 2015-11-09 | Vertical type solid fuel lime kiln |
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| Country | Link |
|---|---|
| CN (1) | CN105271844A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315180A (en) * | 2021-08-13 | 2022-04-12 | 山东万达环保科技有限公司 | Vertical sleeve lime kiln |
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| CN203700206U (en) * | 2014-01-24 | 2014-07-09 | 袁保钦 | Closed full-automatic energy-saving environmental-friendly lime kiln |
| CN204400837U (en) * | 2015-01-08 | 2015-06-17 | 建德市云峰碳酸钙有限公司 | A kind of cloth system for full automatic control lime vertical kiln production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203700206U (en) * | 2014-01-24 | 2014-07-09 | 袁保钦 | Closed full-automatic energy-saving environmental-friendly lime kiln |
| CN204400837U (en) * | 2015-01-08 | 2015-06-17 | 建德市云峰碳酸钙有限公司 | A kind of cloth system for full automatic control lime vertical kiln production line |
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| CN114315180A (en) * | 2021-08-13 | 2022-04-12 | 山东万达环保科技有限公司 | Vertical sleeve lime kiln |
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Application publication date: 20160127 |