CN202485465U

CN202485465U - L-type upright cooling device

Info

Publication number: CN202485465U
Application number: CN2012200875673U
Authority: CN
Inventors: 辛生业; 辛鸣; 颜世峰; 陈君君; 时建
Original assignee: TAIAN ZHONGYI POWDER HEAT ENGINEERING INSTITUTE
Current assignee: TAIAN ZHONGYI HEAVY TYPE INDUSTRIAL EQUIPMENT CO., LTD.
Priority date: 2012-03-10
Filing date: 2012-03-10
Publication date: 2012-10-10
Anticipated expiration: 2022-03-10

Abstract

An L-type upright cooling device comprises a cooling chamber (4), a vertical shaft (1) and a sieving chamber (5), wherein the vertical shaft (1) and the cooling chamber (4) are arranged in a perpendicular mode, and the cooling chamber (4) and the sieving chamber (5) are arranged in a horizontal mode. The bottom of the vertical shaft (1) is provided with a secondary air distribution channel (2) which is communicated with a secondary fan (3). The lower portions of the cooling chamber (4) and the sieving chamber (5) are provided with fixed grate beds (7) and movable grate beds (8). Fixed grate plates (9) on the fixed grate beds (7) of the cooling chamber (4) and movable grate plates (10) on the movable grate beds (8) are arranged alternately, and the fixed grate plates (9) on the fixed grate beds (7) of the sieving chamber (5) and the movable sieve plates (10) on the movable grate plates (8) are arranged alternately. The upper portion of the cooling chamber (4) is provided with a tertiary air guide pipe (6), the upper portion of the cooling chamber (4) is further provided with a dusty gas outlet (18), and the lower side of the fixed grate beds (7) is provided with an air inlet channel (15) which is communicated with a cooling fan (16). Therefore, materials are equally distributed, cooling air is uniformly distributed and moves upward, efficiency of heat transferring is high, and a phenomenon of core-pulling does not happen when the materials are unloaded. Consequently, the phenomena that high-temperature materials are leaked out and material granules are broken due to the fact that the materials are not fully cooled down are stopped.

Description

The vertical cooling device of L type

Technical field

The utility model relates to building materials, metallurgy and chemical industry high-temperature material cooling device technical field, a kind of cooling particulate shape or block high-temperature material, and the high efficiente callback high-temperature material is taken away the novel cooling device of waste heat.

Background technology

Up to now, the thermal efficiency that improves the calcined by rotary kiln system is the common issue of industry all the time, and general way is to manage to recycle the heat that the kiln discharge high-temperature material is taken away, and realizes the thermal efficiency of raising system.One of feasible scheme is that the kiln discharge high-temperature material is introduced cooler, blasts cooling air, in cooled materials, cooling air is heated, and the secondary of the burning that acts as a fuel is then used wind.At present, adopt the equipment of air-cooled mode cooling particulate shape or block high-temperature material to have five kinds: one, monotubular formula cooler; The rotating cylinder that it is mounted on the support roller supporting, is in tilted layout is provided with various raising material units in the cylindrical shell, raising material unit is kicked up high-temperature material and contacted with air; Device by the heat exchange cooled materials of material and air; This equipment volume is huge, and cooling effect is poor, belongs to filtering technique; The 2nd, grate cooler is that the level comb bed that is made up of comb plate and framework is a main body, and high-temperature material is placed on the bed of combing; Under the effect of power set, the bed of combing moves back and forth and material is shifted to discharge end by feed end, and cooling air blasts, passes the bed of material material is cooled off under the bed of combing; Have bed of material surface to shed after cooling air is heated, because its temperature end temperature of charge is high, it is also high that cooling air is heated the back temperature; Can make the secondary wind of burner and participate in fuel combustion, thus fuel saving consumption, and shortcoming is that its low-temperature zone temperature of charge is lower; It is also lower that cooling air is heated the back temperature, drains as waste gas usually, thereby waste many heats.The 3rd, control streaming cooler is made up of horizontal fixed comb bed, push rod and flow control mechanism, and high-temperature material is placed on the fixing bed of combing, and moves back and forth by the relay of more piece push rod and is moved to discharge end by feed end; Cooling air is regulated automatically according to bed of material resistance by flow control mechanism and blasted, passes the bed of material down from the fixing bed of combing behind the flow material is cooled off, and is the same with grate cooler, its temperature end temperature of charge height; It is also high that cooling air is heated the back temperature, participates in fuel combustion as the secondary wind of burner, thus fuel saving consumption; Shortcoming also is that its low-temperature zone temperature of charge is lower, and it is also lower that cooling air is heated the back temperature, drains as waste gas usually; Thereby waste many heats, in addition, push rod is as the sole means of material movement; Be embedded in for a long time in the high-temperature material, very easily damage, strengthened use and maintenance cost.The 4th, scraper plate windrow shaft cooler, its adopts scraper plate windrow system, and this device structure is complicated, and processing cost is high, makes, installation difficulty is big, is prone to get stuck, and running rate is not high, is difficult to promote.The 5th, electric oscillation formula discharging shaft cooler; Form by feed pipe, cooling air tower, elevating hopper, hopper, air compartment, electro-vibrating feeder; High-temperature material drops on the conical surface of cooling air tower through the feed pipe on top; Gliding forms bank, and cooling air tower parcel is covered and form certain thickness of feed layer; Part cooling air gets into the cooling air tower, blows out from the wind tower, passes the high temperature substrate bed of material; Another part cooling air gets into air compartment, through the gap of upper and lower hopper, passes the material in the elevating hopper; Two parts cooling air and material carry out after the heat exchange discharging as the secondary wind of burner from cooler top participates in fuel combustion, thus fuel saving consumption, and cooled material is along with the electro-vibrating feeder vibration that is arranged on the cooler bottom draws off; Its advantage is that cooling effect is better, and heat recovery efficiency is higher, and shortcoming is to adopt a plurality of electric oscillation devices for discharging to vibrate discharging simultaneously; Receive factor affecting such as vibration frequency difference; Be difficult to realize balanced discharging, occur " taking out the heart " phenomenon easily, cause part to draw off without the material of abundant cooling or even red material; Under the effect of vibration force, it is broken to be prone to material is shaken simultaneously, and this reduces the broken production line of material to hope is very harmful.

Summary of the invention

This uses novel purpose to be to address the above problem, and a kind of effective cooling particulate shape or block high-temperature material are provided, and the high efficiente callback high-temperature material is taken away the vertical cooling device of novel L type of waste heat.

Be the technical scheme that realizes that above-mentioned purpose is taked: be provided with vertical shaft, cooling chamber, sieve compartment in the vertical cooling device of L type; Vertical shaft arranges in vertical direction with cooling chamber and communicates that cooling chamber arranges with the sieve compartment along continuous straight runs and communicate that vertical shaft becomes the vertical layout of L type with cooling chamber, sieve compartment; Silo bottom is provided with the secondary wind distribution road of secondary wind, and the secondary wind distribution road is communicated with overfire air fan; The bottom of cooling chamber and sieve compartment is provided with fixing bed, the movable grate of combing; On the fixing comb bed of cooling chamber section, plurality of fixed comb plate is housed, some movable comb plates are housed on the movable grate of cooling chamber section, fixedly comb plate and movable comb plate are alternately arranged, and movable grate drive activity comb plate is together with respect to fixedly the comb plate is reciprocating; On the fixing comb bed of sieve compartment section, the plurality of fixed sieve plate is housed, some active sieve plates are housed on the movable grate of sieve compartment section, fixed screen deck and active sieve plate are alternately arranged, and it is reciprocating with respect to fixed screen deck together that movable grate drives active sieve plate; Cooling chamber top is provided with the tertiary air conduit, and the upper end of tertiary air conduit is communicated with the kiln hood cover; Fixing downside of combing bed is provided with the air intake passage of cooling air, and air intake passage is communicated with cooling blower, also is provided with the dusty gas outlet that screening produces on cooling chamber top.

The high temperature lime that after calciner plant calcining and decomposition, generates gets into vertical shaft; Get into cooling chamber by vertical shaft again and get into cooling; Cooled lime gets into sieve compartment and sieves, and the block lime that sieves out is sent into block lime storage vault, and the powdered lime that sieves out is sent into the powdered lime storage vault.The secondary wind that overfire air fan is sent into gets into vertical shaft through the secondary wind distribution road, carry out heat exchange with high temperature lime, and secondary wind is heated, and simultaneously high temperature lime is lowered the temperature for the first time; The kiln hood cover that heated secondary wind gets into calciner plant supplies fuel combustion to use, and the lime after the first cooling is displaced downwardly on fixing combs bed, movable grate of cooling chamber.The cooling air that cooling blower blasts through air intake passage, pass fixedly that comb plate and movable comb plate further cool off the lime on fixing comb bed, the movable grate, cooling air is heated simultaneously; After cooling air is heated, be divided into two, a part is removed vertical shaft, and another part imports the kiln hood cover by the tertiary air conduit that is located at cooling chamber top and supplies fuel combustion to use.

Owing to adopted said mechanism, the utlity model has following advantage:

(1) the material distribution is impartial in the cooler, and cooling air evenly distributes along section, and heat exchange efficiency is high, and the waste heat recovery that high-temperature material is taken out of is abundant;

(2) the even discharging of cooler balance does not have " taking out the heart " phenomenon, has stopped to spill phenomenon without the high-temperature material of fully cooling;

(3) material particles does not have broken phenomenon, and cooled materials is not had damage.

Description of drawings

Accompanying drawing is the utility model sketch map.

The solid line of band arrow is represented the streams route among the figure, and dotted line is represented airflow route.

The specific embodiment

Accompanying drawing is the sketch map of the utility model embodiment.Be provided with vertical shaft 1, cooling chamber 4, sieve compartment 5 in the vertical cooling device of L type; Vertical shaft 1 arranges in vertical direction with cooling chamber 4 and communicates that cooling chamber 3 is arranged with sieve compartment 5 along continuous straight runs and communicated vertical shaft 1 and cooling chamber 4,5 one-tenth vertical layouts of L type of sieve compartment; Vertical shaft 1 bottom is provided with the secondary wind distribution road 2 of secondary wind, and secondary wind distribution road 2 is communicated with overfire air fan 3; The bottom of cooling chamber 4 and sieve compartment 5 is provided with fixing bed 7, the movable grate 8 of combing; Movable grate 8 is provided with sliding-block linkage 13, power set 14, and it is reciprocating that power set 14 drive movable grate 8 through sliding-block linkage 13; On the fixing comb bed 7 of 4 sections of cooling chambers, plurality of fixed comb plate 9 is housed; Some movable comb plates 10 are housed on the movable grate 8 of 4 sections of cooling chambers; Fixedly comb plate 9 is alternately arranged with movable comb plate 10, and movable grate 8 drive activity comb plates 10 are together with respect to fixedly comb plate 9 is reciprocating; On the fixing comb bed 7 of 5 sections of sieve compartments, plurality of fixed sieve plate 12 is housed; Some active sieve plates 11 are housed on the movable grate 8 of 5 sections of sieve compartments; Fixed screen deck 12 is alternately arranged with active sieve plate 11, and it is reciprocating with respect to fixed screen deck 12 together that movable grate 8 drives active sieve plate 11; Cooling chamber 4 tops are provided with tertiary air conduit 6, and the upper end of tertiary air conduit 6 is communicated with the kiln hood cover; Cooling chamber 4 tops also are provided with dusty gas outlet 18, and fixing downside of combing bed 7 is provided with the air intake passage 15 of cooling air, and air intake passage 15 is communicated with cooling blower 16.

The high temperature lime that after calciner plant calcining and decomposition, generates gets into vertical shaft 1, is got into by vertical shaft 1 entering cooling chamber 4 and cools off, and it is reciprocating that power set 14 drive movable grates 8 through sliding-block linkage 13; Cooled lime is sent into sieve compartment 5 sieve, the block lime that sieves out is sent into by block lime outlet 17 and is drawn off, and the powdered lime that sieves out is sent into the powdered lime storage vault.The secondary wind that overfire air fan 3 is sent into is 2 entering vertical shafts 1 through the secondary wind distribution road, carry out heat exchange with high temperature lime, and secondary wind is heated, and simultaneously high temperature lime is lowered the temperature for the first time; The kiln hood cover that heated secondary wind gets into calciner plant supplies fuel combustion to use, and the lime after the first cooling is displaced downwardly on fixing combs beds 7, movable grate 8 of cooling chamber 4.The cooling air that cooling blower 16 blasts further cools off through air intake passage 15, the lime that passes on fixing comb plate 9 and movable comb plate 10 pairs of fixing comb bed 7, movable grates 8, and cooling air is heated simultaneously; After cooling air is heated, be divided into two, a part is removed vertical shaft 1, and another part imports the kiln hood cover by the tertiary air conduit that is located at cooling chamber 4 tops 6 and supplies fuel combustion usefulness, and the dusty gas that sieve compartment 5 screenings produce is got rid of by dusty gas outlet 18.

This shows that the utlity model has material distribution equalization in the cooling device, cooling air evenly distributes up along section; Heat exchange efficiency is high, and the waste heat recovery that high-temperature material is taken out of is abundant, the even discharging of cooler balance; There is not " taking out the heart " phenomenon; Stopped to spill phenomenon without the high-temperature material of fully cooling, material particles does not have broken phenomenon, and cooled materials is not had damage.

Claims

1. the vertical cooling device of L type includes cooling chamber (4), it is characterized in that: also include vertical shaft (1), sieve compartment (5); Vertical shaft (1) arranges in vertical direction with cooling chamber (4) and communicates that cooling chamber (4) arranges with sieve compartment (5) along continuous straight runs and communicate that vertical shaft (1) becomes the vertical layout of L type with cooling chamber (6), sieve compartment (5); Vertical shaft (1) bottom is provided with the secondary wind distribution road (2) of secondary wind, and secondary wind distribution road (2) are communicated with overfire air fan (3); The bottom of cooling chamber (4) and sieve compartment (5) is provided with fixing bed (7), the movable grate (8) of combing; On the fixing comb bed (7) of cooling chamber (4) section, plurality of fixed comb plate (9) is housed; On the movable grate (8) of cooling chamber (4) section, some movable comb plates (10) are housed; Fixedly comb plate (9) is alternately arranged with movable comb plate (10), and movable grate (8) drive activity comb plate (10) is together with respect to fixedly comb plate (9) is reciprocating; On the fixing comb bed (7) of sieve compartment (5) section, plurality of fixed sieve plate (12) is housed; On the movable grate (8) of sieve compartment (5) section, some active sieve plates (11) are housed; Fixed screen deck (12) is alternately arranged with active sieve plate (11), and it is reciprocating with respect to fixed screen deck (12) together that movable grate (8) drives active sieve plate (11); Cooling chamber (4) top is provided with tertiary air conduit (6), and the upper end of tertiary air conduit (6) is communicated with the kiln hood cover; Cooling chamber (4) top also is provided with dusty gas outlet (18), and fixing downside of combing bed (7) is provided with the air intake passage (15) of cooling air, and air intake passage (15) is communicated with cooling blower (16).