CN105906223A - Lime powder suspension calcining production line and suspension calcining process thereof - Google Patents
Lime powder suspension calcining production line and suspension calcining process thereof Download PDFInfo
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- CN105906223A CN105906223A CN201610390643.0A CN201610390643A CN105906223A CN 105906223 A CN105906223 A CN 105906223A CN 201610390643 A CN201610390643 A CN 201610390643A CN 105906223 A CN105906223 A CN 105906223A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
The invention relates to a lime powder suspension calcining production line and a suspension calcining process thereof. The production line comprises a crushed limestone storage device, a limestone powder preparation device, a feeding device, a suspension calcining cooling device, a fuel supply device, a screening device, a finished product storage device and a waste gas treatment device. The suspension calcining cooling device comprises five stages of heating hoppers, a decomposition furnace and three stages of cooling hoppers. The heating hoppers, the decomposition furnace and the cooling hoppers are communicated through a cyclone feeding pipe, a cyclone return pipe, a material pipe and an inverted-U-shaped air pipe on the top of the decomposition furnace to form an air duct, a draught fan and the fuel gas supply end of the fuel supply device are connected through the air duct, suspension calcining is carried out in the decomposition furnace, the temperature of suspension calcining ranges from 850 DEG C to 1,000 DEG C, the calcining time is within 10 seconds, finally, materials are discharged through the material pipe of the cooling hopper at the tail stage, the materials are screened through the screening device, and then finished lime powder is obtained. The whole production process is in a closed type, environment friendliness is achieved, the heat utilization rate of suspension calcining is increased, and therefore production efficiency and production quality are guaranteed.
Description
Technical field
The present invention relates to lime production, be a kind of powder lime suspension calcining production line and suspension calcining technique thereof.
Background technology
Traditional pulverized limestone mode of production is mostly by oarse-grained limestone block carries out calcination reaction, then obtains pulverized limestone after being broken into pieces by block Calx.It is inefficient that this mode not only produces Calx, and calcination reaction cannot ensure the abundant decomposition of block limestone, the problem that often there is burning or underburnt, causes final pulverized limestone yield the highest, quality defect.In addition, traditional lime production, not only efficiency is low, and heat utilization is low, and there is substantial amounts of dust and waste residue, easily causes environmental pollution.In order to solve these problems, prior art discloses some and has used suspension calcining technique to prepare powder lime, i.e. limestone first carries out pulverizing and forms agstone, enter back into suspension calcining equipment to carry out suspension calcining and prepare powder lime, production efficiency is not only greatly improved, and heat utilization efficiency is high, reduce energy consumption, the problem improving environmental pollution.But existing suspension calcining equipment still suffers from problem to aspect altogether at fuel, mainly fuel is not fully combined with air, abundant before causing burning, thus it is not good enough with service behaviour to cause suspension calcining equipment overall thermal to utilize.To this end, need existing equipment is improved.
Summary of the invention
For overcoming above-mentioned deficiency, the present invention designs a kind of powder lime suspension calcining production line and suspension calcining technique thereof so that it is solves existing similar powder lime and produces production efficiency of equipment and quality defect, and the technical problem that process heat utilization rate is not good enough.It adopts the following technical scheme that realization.
This powder lime suspension calcining production line includes that suspension calcining chiller, fuel supply system, sieve material device, sieve material device are arranged at the discharge end of suspension calcining chiller, and fuel supply system includes coal dust supply side and fuel gas supply end;nullIt is characterized in that described suspension calcining chiller includes regenerator section、Calcining part、Cooling segment,Regenerator section includes one-level heating bucket、Two grades of heating buckets、Three grades of heating buckets、Level Four heating bucket、Pyatyi heating bucket,Calcining part is dore furnace,Cooling segment includes one-level cooling bucket、Two grades of cooling buckets、Three grades of cooling buckets,The top of each heating bucket and cooling bucket is all connected with whirlwind and send pipe,The side of each heating bucket and cooling bucket is all connected with whirlwind return pipe,The bottom of each heating bucket and cooling bucket is all connected with material pipe,The whirlwind of described two grades of heating buckets send pipe as the feed end of suspension calcining chiller,And it is connected to the whirlwind return pipe of described one-level heating bucket,The whirlwind of one-level heating bucket send pipe as the exhaust end of described suspension calcining chiller,The whirlwind of whirlwind return pipe and three grades of heating buckets that the material pipe of one-level heating bucket is connected to described two grades of heating buckets send pipe,The whirlwind of whirlwind return pipe and level Four heating bucket that the material pipe of two grades of heating buckets is connected to described three grades of heating buckets send pipe,The whirlwind of whirlwind return pipe and Pyatyi heating bucket that the material pipe of three grades of heating buckets is connected to level Four heating bucket send pipe,The material pipe of level Four heating bucket is connected in described dore furnace,Dore furnace top is connected by the whirlwind return pipe of inverted U-shaped airduct with described Pyatyi heating bucket,The whirlwind connecting described one-level cooling bucket bottom dore furnace send pipe,The material pipe of described Pyatyi heating bucket is connected to the whirlwind of described two grades of cooling buckets and send pipe and the whirlwind return pipe of one-level cooling bucket,The material pipe of one-level cooling bucket is connected to the whirlwind of described three grades of cooling buckets and send pipe and the whirlwind return pipe of two grades of cooling buckets,The material pipe of two grades of cooling buckets is connected to the whirlwind return pipe of three grades of cooling buckets,The whirlwind return pipe of three grades of cooling buckets is connected to blower fan discharge pipe and the first feed end of sieve material device,The material pipe of three grades of cooling buckets is connected to the second feed end of described sieve material device;The coal dust supply side of described fuel supply system is connected directly in described dore furnace, and described fuel gas supply end branch is connected to the whirlwind return pipe of described one-level cooling bucket, the whirlwind return pipes of described three grades of cooling buckets and described dore furnace.Pass through said structure, the heating bucket utilizing Pyatyi realizes preheating, thus improve heat utilization efficiency, the fuel gas supply end simultaneously supplying it to device passes in the pipeline that cooling struggles against in advance, it is sufficiently mixed by air current flow, thus ensure that combustion gas can fully be burnt in entering dore furnace, improve the thermal efficiency and agstone decomposition efficiency, it is achieved energy-saving and emission-reduction.
In said structure, the whirlwind connected send pipe and whirlwind return pipe to be integral type pipe, facilitates structure processing and connects.Described one-level heating bucket is double column structure, and i.e. two one-level heating buckets are set up in parallel.Double column structure is conducive to fully preheating agstone.
This powder lime suspension calcining production line also includes that rubble lime stone stores device, agstone preparation facilities, drawing-in device, finished product storage device, emission-control equipment, the discharge end of rubble lime stone storage device is connected to the feed end of agstone preparation facilities, the discharge end of agstone preparation facilities connects the feed end of drawing-in device by conveying mechanism, the discharge end of drawing-in device is connected to the feed end of described suspension calcining chiller, the discharge end of described sieve material device connects described finished product storage device, described suspension calcining chiller, the respective exhaust end of agstone preparation facilities is connected to the air inlet of emission-control equipment by the pipeline of band blower fan, the air vent of emission-control equipment is connected to exhaust chimney by the pipeline of band blower fan.By this structure, to realize the production in enormous quantities of powder lime, waste gas discharge is effectively controlled simultaneously, reduce environmental pollution, it is achieved environmental protection produces.
Between exhaust end and the air inlet of described emission-control equipment of described suspension calcining chiller, powder device for filtering and collecting is set.By this powder device for filtering and collecting, reduce while polluting, be conducive to the agstone reclaiming discharged by suspension calcining chiller exhaust end to produce, reduce the wasting of resources, fully improve yield.
The pipeline of fans branch that the exhaust end of described suspension calcining chiller is connected is connected to the air inlet of described agstone preparation facilities.Same, the agstone that beneficially suspension calcining chiller exhaust end is discharged is recycled to agstone preparation facilities reproduction.
nullThe suspension calcining technique of this powder lime suspension calcining production line is: opens described blower fan and supplies described suspension calcining chiller,Agstone is entered by the whirlwind return pipe of described one-level heating bucket,And two grades heating bucket whirlwind send under pipe airflow function by agstone along one-level heating bucket whirlwind return pipe send into one-level heating bucket carry out Conveyance and one-level preheating,Agstone after one-level preheating falls into the whirlwind return pipe of described two grades of heating buckets along the material pipe that one-level heating struggles against,Agstone is carried out Conveyance two grades of preheatings along two grades of heating buckets of whirlwind return pipe feeding of described two grades of heating buckets by the air-flow being sent pipe by three grades of heating bucket whirlwind,Agstone after two grades of preheatings falls into the whirlwind return pipe of described three grades of heating buckets along the material pipe that two grades of heating struggle against,Agstone is carried out Conveyance three grades of preheatings along three grades of heating buckets of whirlwind return pipe feeding of three grades of heating buckets by the air-flow being sent pipe by level Four heating bucket whirlwind,Agstone after three grades of preheatings falls into the whirlwind return pipe of described level Four heating bucket along the material pipe that three grades of heating struggle against,Agstone is carried out Conveyance level Four preheating along the whirlwind return pipe feeding level Four heating bucket of level Four heating bucket by the air-flow being sent pipe by Pyatyi heating bucket whirlwind,Agstone after level Four preheating falls in described dore furnace along the material pipe of level Four heating bucket,In control dore furnace, calcining heat is 850~1000 DEG C,Calcination time is 10 seconds in,Agstone calcining and decomposing forms pulverized limestone,Conveyance is carried out by decomposing in the pulverized limestone in dore furnace is sent into Pyatyi heating bucket along the inverted U-shaped airduct at dore furnace top and the whirlwind return pipe of described Pyatyi heating bucket by gas stream in the stove,Pulverized limestone in Pyatyi heating bucket falls into the whirlwind return pipe of described one-level cooling bucket along the material pipe that Pyatyi heating struggles against,Pulverized limestone is carried out Conveyance one-level cooling along the whirlwind return pipe feeding one-level cooling bucket of one-level cooling bucket by the air-flow being sent pipe by two grades of cooling bucket whirlwind,Pulverized limestone after one-level cooling falls into the whirlwind return pipe of described two grades of cooling buckets along the material pipe that one-level cooling struggles against,Pulverized limestone is carried out Conveyance two grades of coolings along two grades of cooling buckets of whirlwind return pipe feeding of two grades of cooling buckets by the air-flow being sent pipe by three grades of cooling bucket whirlwind,Pulverized limestone after two grades of coolings falls into three grades of whirlwind return pipes cooling down bucket along the material pipe of two grades of cooling buckets,By the air-flow of described blower fan discharge pipe, the pulverized limestone of three grades of cooling bucket whirlwind return pipes is carried out Conveyance three grades of coolings along three grades of cooling buckets of whirlwind return pipe feeding of three grades of cooling buckets,Pulverized limestone after three grades of coolings falls into the second feed end of described sieve material device,Finished powder Calx is obtained after sieve material device sieve material.
The present invention changes the production technology of tradition powder lime, utilizes suspension calcining technique to produce powder lime, and not only whole production process is closed, do not easily cause environmental pollution, and the suspension calcining cooling device after improving, improve heat utilization efficiency, thus improve powder lime production efficiency and powder lime quality.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram, and in figure, dotted line represents that airflow pipeline, arrow represent direction.
Sequence number and entitled in figure: 1, rubble lime stone storage device, 2, agstone preparation facilities, 3, drawing-in device, 4, suspension calcining chiller, 401, whirlwind send pipe, 402, whirlwind return pipe, 403, material pipe, 404, inverted U-shaped airduct, 405, dore furnace, 5, coal dust supply side, 6, fuel gas supply end, 7, first feed end, 8, second feed end, 9, blower fan discharge pipe, 10, finished product storage device, 11, powder device for filtering and collecting, 12, emission-control equipment, 13, exhaust chimney, C1, one-level heating bucket, C2, two grades of heating buckets, C3, three grades of heating buckets, C4, level Four heating bucket, C5, Pyatyi heating bucket, CL1, one-level cooling bucket, CL2, two grades of cooling buckets, CL3, three grades of cooling buckets.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is described as follows.
This powder lime suspension calcining production line includes that rubble lime stone stores device 1, agstone preparation facilities 2, drawing-in device 3, suspension calcining chiller 4, fuel supply system, sieve material device, finished product storage device 10, emission-control equipment 12, the discharge end of rubble lime stone storage device 1 is connected to the feed end of agstone preparation facilities 2, the discharge end of agstone preparation facilities 2 connects the feed end of drawing-in device 3 by conveying mechanism, and the discharge end of drawing-in device 3 is connected to the feed end of suspension calcining chiller 4.Sieve material device is arranged at the discharge end of suspension calcining chiller 4, and fuel supply system includes that coal dust supply side 5 and fuel gas supply end 6, the discharge end of sieve material device connect finished product storage device 10.Suspension calcining chiller 4, the respective exhaust end of agstone preparation facilities 2 are connected to the air inlet of emission-control equipment 12 by the pipeline of band blower fan, the air vent of emission-control equipment 12 is connected to exhaust chimney 13 by the pipeline of band blower fan, and powder device for filtering and collecting 11 is set between the air inlet of the exhaust end of suspension calcining chiller 4 and emission-control equipment 12, the pipeline of fans branch that the exhaust end of suspension calcining chiller 4 is connected is connected to the air inlet of agstone preparation facilities 2.
nullAbove-mentioned suspension calcining chiller 4 includes regenerator section、Calcining part、Cooling segment,Regenerator section is provided with one-level heating bucket C1、Two grades of heating bucket C2、Three grades of heating bucket C3、Level Four heating bucket C4、Pyatyi heating bucket C5,Calcining part is dore furnace 405,Cooling segment is provided with one-level cooling bucket CL1、Two grades of cooling bucket CL2、Three grades of cooling bucket CL3,The top of each heating bucket and cooling bucket is all connected with whirlwind and send pipe 401,The side of each heating bucket and cooling bucket is all connected with whirlwind return pipe 402,The bottom of each heating bucket and cooling bucket is all connected with expecting pipe 403,The whirlwind of two grades of heating bucket C2 send pipe 401 as the feed end of suspension calcining chiller 4,And it is connected to the whirlwind return pipe 402 of one-level heating bucket C1,The whirlwind of one-level heating bucket C1 send pipe 401 as the exhaust end of suspension calcining chiller 4,The whirlwind of whirlwind return pipe 402 and three grades of heating bucket C3 that the material pipe 403 of one-level heating bucket C1 is connected to two grades of heating bucket C2 send pipe 401,The whirlwind of whirlwind return pipe 402 and level Four heating bucket C4 that the material pipe 403 of two grades of heating bucket C2 is connected to three grades of heating bucket C3 send pipe 401,The whirlwind of whirlwind return pipe 402 and Pyatyi heating bucket C5 that the material pipe 403 of three grades of heating bucket C3 is connected to level Four heating bucket C4 send pipe 401,The material pipe 403 of level Four heating bucket C4 is connected in dore furnace 405,Dore furnace 405 top is connected by the whirlwind return pipe 402 of inverted U-shaped airduct 404 with Pyatyi heating bucket C5,The whirlwind connecting one-level cooling bucket CL1 bottom dore furnace 405 send pipe 401,The material pipe 403 of Pyatyi heating bucket C5 is connected to the whirlwind of two grades of cooling bucket CL2 and send pipe 401 and the whirlwind return pipe 402 of one-level cooling bucket CL1,The material pipe 403 of one-level cooling bucket CL1 is connected to the whirlwind of three grades of cooling bucket CL3 and send pipe 401 and the whirlwind return pipe 402 of two grades of cooling bucket CL2,The material pipe 403 of two grades of cooling bucket CL2 is connected to the whirlwind return pipe 402 of three grades of cooling bucket CL3,The whirlwind return pipe 402 of three grades of cooling bucket CL3 is connected to blower fan discharge pipe 9 and the first feed end 7 of sieve material device,The material pipe 403 of three grades of cooling bucket CL3 is connected to the second feed end 8 of sieve material device;The coal dust supply side 5 of fuel supply system is connected directly in dore furnace 405, and fuel gas supply end 6 branch is connected to whirlwind return pipe 402 and the dore furnace 405 of whirlwind return pipe 402, the three grades cooling bucket CL3 of one-level cooling bucket CL1.The above-mentioned whirlwind connected send pipe 401 and whirlwind return pipe 402 also can design in integral type.Above-mentioned one-level heating bucket C1 is double column structure, and i.e. two one-level heating bucket C1 are set up in parallel, and are conducive to being fully warmed-up.
The technical process of this powder lime suspension calcining production line is: by the discharge end of rubble lime stone storage device 1, rubble lime stone is delivered to agstone preparation facilities 2, carries out the preparation of agstone.The agstone that agstone preparation facilities 2 prepares is delivered to drawing-in device 3 by conveying mechanism, then agstone is uniformly fed the feed end of suspension calcining chiller 4 by drawing-in device 3, i.e. in the whirlwind return pipe 402 of one-level heating bucket C1.By blower fan, suspension calcining chiller 4 is supplied, air-flow from bottom to top by each whirlwind send pipe 401, whirlwind return pipe 402, material pipe 403 and inverted U-shaped airduct 404 connect suspension calcining chiller 4 respectively heat bucket, dore furnace 405, cooling struggle against.In dore furnace 405, coal dust is directly supplied by the coal dust supply side 5 of fuel supply system, combustion gas is supplied to whirlwind return pipe 402 and the dore furnace 405 of whirlwind return pipe 402, the three grades cooling bucket CL3 of one-level cooling bucket CL1 by the fuel gas supply end 6 of fuel supply system, combustion gas is sufficiently mixed with air-flow, and burns in dore furnace 405.The detailed process of suspension calcining is: fall into one-level heating bucket C1 whirlwind return pipe 402 agstone two grades heating bucket C2 whirlwind send pipe 401 airflow function under along one-level heating bucket C1 whirlwind return pipes 402 send into one-level heating bucket C1 in carry out Conveyance and one-level preheating;Along one-level heating bucket C1's, agstone after one-level preheating expects that pipe 403 falls into two grades of whirlwind return pipes 402 heating bucket C2, three grades of heating bucket C3 whirlwind the whirlwind return pipes 402 sending the air-flow of pipe 401 that agstone heats the C2 that struggle against along two grades carry out Conveyance two grades of preheatings in sending into two grades of heating bucket C2;Agstone after two grades of preheatings falls into the whirlwind return pipes 402 of three grades of heating bucket C3 along the material pipes 403 of two grades of heating bucket C2, level Four heating bucket C4 whirlwind send the air-flow of pipe 401 to carry out Conveyance three grades of preheatings in agstone is sent into three grades of heating bucket C3 along the whirlwind return pipes 402 of three grades of heating bucket C3;Agstone after three grades of preheatings falls into the whirlwind return pipe 402 of level Four heating bucket C4 along the material pipes 403 of three grades of heating bucket C3, Pyatyi heating bucket C5 whirlwind send the air-flow of pipe 401 to carry out Conveyance level Four preheating in agstone is sent into level Four heating bucket C4 along the whirlwind return pipe 402 of level Four heating bucket C4;Agstone after level Four preheating falls in dore furnace 405 along the material pipe 403 of level Four heating bucket C4, in control dore furnace 405, calcining heat is 850~1000 DEG C, calcination time is 10 seconds in, agstone calcining and decomposing forms pulverized limestone, air-flow in dore furnace 405 carry out Conveyance and keep fully reaction in the pulverized limestone in dore furnace 405 being sent into Pyatyi heating bucket C5 along the inverted U-shaped airduct 404 at dore furnace 405 top and the whirlwind return pipe 402 of Pyatyi heating bucket C5.Pulverized limestone in Pyatyi heating bucket C5 falls into the whirlwind return pipe 402 of one-level cooling bucket CL1 along the material pipe 403 of Pyatyi heating bucket C5, two grades of cooling bucket CL2 whirlwind send the air-flow of pipe 401 to carry out Conveyance one-level cooling in pulverized limestone is sent into one-level cooling bucket CL1 along the whirlwind return pipe 402 of one-level cooling bucket CL1;Along one-level cooling bucket CL1's, pulverized limestone after one-level cooling expects that pipe 403 falls into two grades of whirlwind return pipes 402 cooling down bucket CL2, three grades of cooling bucket CL3 whirlwind the whirlwind return pipes 402 sending the air-flow of pipe 401 that pulverized limestone cools down the CL2 that struggle against along two grades carry out Conveyance two grades of coolings in sending into two grades of cooling bucket CL2;Pulverized limestone after two grades of coolings falls into three grades of whirlwind return pipes 402 cooling down bucket CL3 along the material pipe 403 of two grades of cooling bucket CL2, and the undecomposed agstone of part or material then fall into the first feed end 7 of sieve material device;Carrying out Conveyance three grades of coolings in the pulverized limestone of three grades of cooling bucket CL3 whirlwind return pipes 402 being sent into three grades of cooling bucket CL3 along the whirlwind return pipes 402 of three grades of cooling bucket CL3 by the air-flow of blower fan discharge pipe 9, the pulverized limestone after three grades of coolings falls into sieve and expects the second feed end 8 of device.The material of first feed end the 7, second feed end 8 obtains finished powder Calx after sieve material device sieve material, and finished powder Calx is delivered to finished product storage device 10 and stores.The material discharged by each exhaust end of agstone preparation facilities 2 and suspension calcining chiller 4, a part is processed by emission-control equipment 12 after powder device for filtering and collecting 11 sieves material and is discharged waste gas by blowdown stack, and another part is re-fed in agstone preparation facilities 2 carrying out Commercial cultivation again via pipeline.More than it is whole technological process prepared by powder lime of the present invention.
Claims (7)
1. a powder lime suspension calcining production line, it includes suspension calcining chiller (4), fuel supply system, sieve material device, sieve material device is arranged at the discharge end of suspension calcining chiller (4), and fuel supply system includes coal dust supply side (5) and fuel gas supply end (6);nullIt is characterized in that described suspension calcining chiller (4) includes regenerator section、Calcining part、Cooling segment,Regenerator section includes one-level heating bucket (C1)、Two grades of heating bucket (C2)、Three grades of heating bucket (C3)、Level Four heating bucket (C4)、Pyatyi heating bucket (C5),Calcining part is dore furnace (405),Cooling segment includes one-level cooling bucket (CL1)、Two grades of coolings bucket (CL2)、Three grades of coolings bucket (CL3),The top of each heating bucket and cooling bucket is all connected with whirlwind and send pipe (401),The side of each heating bucket and cooling bucket is all connected with whirlwind return pipe (402),The bottom of each heating bucket and cooling bucket is all connected with material pipe (403),The whirlwind of described two grades of heating bucket (C2) send pipe (401) as the feed end of suspension calcining chiller (4),And it is connected to the whirlwind return pipe (402) of described one-level heating bucket (C1),The whirlwind of one-level heating bucket (C1) send pipe (401) as the exhaust end of described suspension calcining chiller (4),The whirlwind of whirlwind return pipe (402) and three grades of heating bucket (C3) that the material pipe (403) of one-level heating bucket (C1) is connected to described two grades of heating bucket (C2) send pipe (401),The whirlwind of whirlwind return pipe (402) and level Four heating bucket (C4) that the material pipe (403) of two grades of heating bucket (C2) is connected to described three grades of heating bucket (C3) send pipe (401),The whirlwind of whirlwind return pipe (402) and Pyatyi heating bucket (C5) that the material pipe (403) of three grades of heating bucket (C3) is connected to level Four heating bucket (C4) send pipe (401),The material pipe (403) of level Four heating bucket (C4) is connected in described dore furnace (405),Dore furnace (405) top is connected by the whirlwind return pipe (402) of inverted U-shaped airduct (404) with described Pyatyi heating bucket (C5),Dore furnace (405) bottom connects the whirlwind of described one-level cooling bucket (CL1) and send pipe (401),The material pipe (403) of described Pyatyi heating bucket (C5) is connected to the whirlwind of described two grades of coolings bucket (CL2) and send pipe (401) and the whirlwind return pipe (402) of one-level cooling bucket (CL1),The material pipe (403) of one-level cooling bucket (CL1) is connected to the whirlwind of described three grades of coolings bucket (CL3) and send pipe (401) and the whirlwind return pipe (402) of two grades of coolings bucket (CL2),The material pipe (403) of two grades of coolings bucket (CL2) is connected to the whirlwind return pipe (402) of three grades of coolings bucket (CL3),The whirlwind return pipe (402) of three grades of coolings bucket (CL3) is connected to blower fan discharge pipe (9) and first feed end (7) of sieve material device,The material pipe (403) of three grades of coolings bucket (CL3) is connected to second feed end (8) of described sieve material device;The coal dust supply side (5) of described fuel supply system is connected directly in described dore furnace (405), and described fuel gas supply end (6) branch is connected to the whirlwind return pipe (402) of described one-level cooling bucket (CL1), the whirlwind return pipe (402) of described three grades of coolings bucket (CL3) and described dore furnace (405).
Powder lime suspension calcining production line the most according to claim 1, it is characterised in that described in the whirlwind that connects send pipe (401) and whirlwind return pipe (402) they are integral type pipe.
Powder lime whirlwind the most according to claim 1 calcining production line, it is characterised in that described one-level heating bucket (C1) is double column structure, i.e. two one-levels heating bucket (C1) are set up in parallel.
nullPowder lime suspension calcining production line the most according to claim 1,It is characterized in that this production line also includes rubble lime stone storage device (1)、Agstone preparation facilities (2)、Drawing-in device (3)、Finished product storage device (10)、Emission-control equipment (12),The discharge end of rubble lime stone storage device (1) is connected to the feed end of agstone preparation facilities (2),The discharge end of agstone preparation facilities (2) connects the feed end of drawing-in device (3) by conveying mechanism,The discharge end of drawing-in device (3) is connected to the feed end of described suspension calcining chiller (4),The discharge end of described sieve material device connects described finished product storage device (10),Described suspension calcining chiller (4)、The respective exhaust end of agstone preparation facilities (2) is connected to the air inlet of emission-control equipment (12) by the pipeline of band blower fan,The air vent of emission-control equipment (12) is connected to exhaust chimney (13) by the pipeline of band blower fan.
Powder lime suspension calcining production line the most according to claim 4, it is characterised in that between exhaust end and the air inlet of described emission-control equipment (12) of described suspension calcining chiller (4), powder device for filtering and collecting (11) is set.
Powder lime suspension calcining production line the most according to claim 4, it is characterised in that the pipeline of fans branch that the exhaust end of described suspension calcining chiller (4) is connected is connected to the air inlet of described agstone preparation facilities (2).
null7. the suspension calcining technique of a powder lime suspension calcining production line as claimed in claim 1,It is characterized in that opening described blower fan supplies described suspension calcining chiller (4),Agstone is entered by the whirlwind return pipe (402) of described one-level heating bucket (C1),And give at the whirlwind of two grades of heating bucket (C2) and under pipe (401) airflow function, agstone to be sent into one-level heating bucket (C1) along the whirlwind return pipe (402) of one-level heating bucket (C1) and carry out Conveyance one-level and preheat,One-level preheating after agstone along one-level heating bucket (C1) material pipe (403) fall into described two grades heating bucket (C2) whirlwind return pipe (402),Agstone is carried out Conveyance two grades of preheatings along two grades of heating bucket (C2) of whirlwind return pipe (402) feeding of described two grades of heating bucket (C2) by the air-flow being sent pipe (401) by three grades of heating bucket (C3) whirlwind,Two grades preheating after agstone along two grades heating bucket (C2) material pipe (403) fall into described three grades heating bucket (C3) whirlwind return pipe (402),Agstone is carried out Conveyance three grades of preheatings along three grades of heating bucket (C3) of whirlwind return pipe (402) feeding of three grades of heating bucket (C3) by the air-flow being sent pipe (401) by level Four heating bucket (C4) whirlwind,Agstone after three grades of preheatings falls into described level Four along three grades of material pipes (403) heating bucket (C3) and heats the whirlwind return pipe (402) of bucket (C4),Sent the air-flow of pipe (401) that agstone carries out along the whirlwind return pipe (402) feeding level Four heating bucket (C4) of level Four heating bucket (C4) Conveyance level Four preheating by Pyatyi heating bucket (C5) whirlwind,Agstone after level Four preheating falls in described dore furnace (405) along the material pipe (403) of level Four heating bucket (C4),Controlling dore furnace (405) interior calcining heat is 850~1000 DEG C,Calcination time is 10 seconds in,Agstone calcining and decomposing forms pulverized limestone,Conveyance is carried out in the pulverized limestone in dore furnace (405) being sent into Pyatyi heating bucket (C5) along the inverted U-shaped airduct (404) at dore furnace (405) top and the whirlwind return pipe (402) of described Pyatyi heating bucket (C5) by dore furnace (405) interior air-flow,Pyatyi heating bucket (C5) in pulverized limestone along Pyatyi heating bucket (C5) material pipe (403) fall into described one-level cooling bucket (CL1) whirlwind return pipe (402),Sent the air-flow of pipe (401) that pulverized limestone carries out along the whirlwind return pipe (402) feeding one-level cooling bucket (CL1) of one-level cooling bucket (CL1) Conveyance one-level cooling by two grades of cooling bucket (CL2) whirlwind,One-level cooling after pulverized limestone along one-level cooling bucket (CL1) material pipe (403) fall into described two grades cooling bucket (CL2) whirlwind return pipe (402),Pulverized limestone is carried out Conveyance two grades of coolings along two grades of coolings bucket (CL2) of whirlwind return pipe (402) feeding of two grades of coolings bucket (CL2) by the air-flow being sent pipe (401) by three grades of cooling bucket (CL3) whirlwind,Pulverized limestone after two grades of coolings falls into three grades of whirlwind return pipes (402) cooling down bucket (CL3) along the material pipe (403) of two grades of coolings bucket (CL2),By the air-flow of described blower fan discharge pipe (9), the pulverized limestone of three grades of coolings bucket (CL3) whirlwind return pipe (402) is carried out Conveyance three grades of coolings along three grades of coolings bucket (CL3) of whirlwind return pipe (402) feeding of three grades of coolings bucket (CL3),Pulverized limestone after three grades of coolings falls into second feed end (8) of described sieve material device,Finished powder Calx is obtained after sieve material device sieve material.
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CN107226627A (en) * | 2017-07-10 | 2017-10-03 | 合肥水泥研究设计院 | A kind of two grades of suspension calcining devices of active powder lime |
CN107285651A (en) * | 2017-07-10 | 2017-10-24 | 合肥水泥研究设计院 | A kind of active powder lime suspension calcining device |
CN107698179A (en) * | 2017-12-01 | 2018-02-16 | 河南中蓝新材料科技有限公司 | A kind of strength gaseous suspension cooling means for being used to produce powdery active lime system |
CN111646710A (en) * | 2020-06-30 | 2020-09-11 | 浙江钙科机械设备有限公司 | Suspension calcination production line for powdered lime and suspension calcination process thereof |
CN113045224A (en) * | 2021-03-10 | 2021-06-29 | 中国中材国际工程股份有限公司 | System and method for preparing powdery active lime by modifying cement clinker production line |
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CN107226627A (en) * | 2017-07-10 | 2017-10-03 | 合肥水泥研究设计院 | A kind of two grades of suspension calcining devices of active powder lime |
CN107285651A (en) * | 2017-07-10 | 2017-10-24 | 合肥水泥研究设计院 | A kind of active powder lime suspension calcining device |
CN107698179A (en) * | 2017-12-01 | 2018-02-16 | 河南中蓝新材料科技有限公司 | A kind of strength gaseous suspension cooling means for being used to produce powdery active lime system |
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CN113045224A (en) * | 2021-03-10 | 2021-06-29 | 中国中材国际工程股份有限公司 | System and method for preparing powdery active lime by modifying cement clinker production line |
CN113185152A (en) * | 2021-04-28 | 2021-07-30 | 浙江钙科机械设备有限公司 | High-quality calcium oxide grading suspension calcination production line and suspension calcination process thereof |
CN113511824A (en) * | 2021-05-08 | 2021-10-19 | 浙江钙科机械设备有限公司 | Suspension calcining process for large-particle calcium oxide |
CN113860345A (en) * | 2021-10-08 | 2021-12-31 | 浙江钙科机械设备有限公司 | Automatic control system for calcium oxide classification suspension calcination process |
CN116589206A (en) * | 2023-05-30 | 2023-08-15 | 浙江钙科科技股份有限公司 | Calcium oxide suspension calcination production line suitable for biomass fuel based on Internet |
CN116589206B (en) * | 2023-05-30 | 2023-12-05 | 浙江钙科科技股份有限公司 | Calcium oxide suspension calcination production line suitable for biomass fuel based on Internet |
CN117469972A (en) * | 2023-12-28 | 2024-01-30 | 宝钢金属有限公司 | Calcination device for reducing burning rate of dolomite |
CN117469972B (en) * | 2023-12-28 | 2024-04-16 | 宝钢金属有限公司 | Calcination device for reducing burning rate of dolomite |
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