CN101556050B - Forced-cooling device for temperature reduction of high temperature flue gas - Google Patents

Forced-cooling device for temperature reduction of high temperature flue gas Download PDF

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Publication number
CN101556050B
CN101556050B CN2009100982324A CN200910098232A CN101556050B CN 101556050 B CN101556050 B CN 101556050B CN 2009100982324 A CN2009100982324 A CN 2009100982324A CN 200910098232 A CN200910098232 A CN 200910098232A CN 101556050 B CN101556050 B CN 101556050B
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China
Prior art keywords
cooling
ash bucket
air cooler
air
flue gas
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Expired - Fee Related
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CN2009100982324A
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Chinese (zh)
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CN101556050A (en
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陆银甫
徐强
胡加燕
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Zhejiang Jieyu Environmental Protection Equipment Co ltd
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HAINING JIEYU ENVIRONMENT PROTECTION EQUIPMENT CO Ltd
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Abstract

本发明涉及一种用于高温烟气降温的强制风冷装置，包括风冷器和灰斗，风冷器内部设有若干冷却管，风冷器侧部设有冷却空气入口和出口，灰斗安装在风冷器下方，灰斗内腔与冷却管内腔连通，灰斗底部设有卸灰阀门，所述灰斗顶部侧方设有烟气入口，风冷器顶部设有烟气出口，由烟气入口、灰斗、冷却管和烟气出口构成烟气流动通道。本发明结构简单，节省能源和钢耗，延长了设备使用寿命，并可确保降温效果。

Figure 200910098232

The invention relates to a forced air cooling device for cooling high-temperature flue gas, which comprises an air cooler and an ash hopper, a plurality of cooling pipes are arranged inside the air cooler, cooling air inlets and outlets are arranged on the side of the air cooler, an ash hopper Installed under the air cooler, the inner cavity of the ash hopper communicates with the inner cavity of the cooling pipe, the bottom of the ash hopper is provided with an ash discharge valve, the top side of the ash hopper is provided with a smoke inlet, and the top of the air cooler is provided with a smoke outlet. The flue gas inlet, the ash hopper, the cooling pipe and the flue gas outlet form a flue gas flow channel. The invention has simple structure, saves energy and steel consumption, prolongs the service life of the equipment, and can ensure the cooling effect.

Figure 200910098232

Description

A kind of air blast cooling device that is used for cooling high-temperature fume
(1) technical field
The present invention relates to a kind of air blast cooling device that is used for cooling high-temperature fume.
(2) background technology
Administer in the cement kiln head flue gas system at sack cleaner, because the improper situation of kiln hood high-temperature flue gas is more; For guaranteeing to enter the not super design upper limit of temperature of kiln hood sack cleaner, the effective mechanical air cooler of pressure just must be arranged.And air blast cooling device in the past all adopts the air intake mode, and high-temperature flue gas is entered by the top duct set earlier, enters several cooling pipes more respectively, yet enters the bottom ash bucket, gathers air cooling equipment through discharge pipe; Flue gas after the cooling enters down equipment kiln hood sack cleaner one like this.This mode in the past, producing disadvantageous situation has, and the one, top set blast pipe has fouling phenomenon, and the time can produce for a long time stops up each cooling tube porch; The 2nd, because the cement kiln head soot dust granule is big, abrasiveness is strong, and the top air intake will produce dust directly to the cooling pipe wearing and tearing, and is as easy as rolling off a log worn out cooling pipe, causes whole functions of the equipments to destroy, and influences whole system production.
(3) summary of the invention
It is a kind of simple in structure that technical problem to be solved by this invention is to provide, and prolongs service life of equipment, improves the air blast cooling device of kiln hood high-temperature flue gas system regulation effect.
A kind of air blast cooling device that is used for cooling high-temperature fume, comprise air cooler and ash bucket, air cooler inside is provided with some cooling tubes, the air cooler sidepiece is provided with cooling air intake and outlet, and ash bucket is installed in the air cooler below, and the ash bucket inner chamber is communicated with the cooling tube inner chamber, the ash bucket bottom is provided with the unloading valve door, side, described ash bucket top is provided with smoke inlet, and the air cooler top is provided with exhanst gas outlet, constitutes smoke flow channels by smoke inlet, ash bucket, cooling tube and exhanst gas outlet.
Further, described ash bucket inwall is provided with some baffle deflectors relative with the flow of flue gas direction.
Further, described cooling tube bottom interior wall is provided with wear-resistant sleeve.
Further, described cooling tube is vertically and is arranged in parallel.
Further, be provided with the chain type cinder conveyer under the described unloading valve door.
Further, described cooling air intake connection shaft flow fan.
Air blast cooling device of the present invention adopts below air intake technology, air cooling equipment leaves enough settlement spaces, high-temperature flue gas is introduced into ash bucket, and ash bucket of the present invention has two kinds of effects, and the one, pre-dedusting sedimentation function, be provided with in the air cooling equipment ash bucket and force the baffle deflector, make crude particle dust collide sedimentation early, effectively dust removal efficiency reaches 30%, like this, thermal current by cooling pipe has reduced the part crude particle dust, thereby alleviates the wearing and tearing to the air cooling equipment cooling tube; Air cooling equipment cooling tube bottom (being cooling tube smoke inlet place) is provided with the high-wearing feature sleeve pipe, protects whole cooling tube, guarantees its service life.The 2nd, high-temperature flue gas is earlier 30～50 ℃ of the stable coolings of ash bucket, yet enter several cooling tubes and its outer wall is carried out forced cooling by axial flow blower, cooling in advance, can reduce the energy consumption of axial flow blower, the unlatching rate of axial flow blower can not reach 100%, just can guarantee that cooling reaches designing requirement,, whole blower fans be opened if any fortuitous event.
The present invention is simple in structure, saves the energy and steel consumption, has prolonged service life of equipment, and can guarantee cooling-down effect.
(4) description of drawings
Fig. 1 is the structural representation of air blast cooling device of the present invention;
Fig. 2 is the side view of air blast cooling device of the present invention.
Fig. 3 is the A-A view of the air blast cooling device of Fig. 1.
(5) specific embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing, but protection scope of the present invention is not limited to this.
With reference to Fig. 1～Fig. 3, a kind of air blast cooling device that is used for cooling high-temperature fume, comprise air cooler 3 and ash bucket 4, air cooler 3 inside are provided with some cooling tubes 5, the air cooler sidepiece is provided with cooling air intake and outlet, ash bucket 4 is installed in the air cooler below, ash bucket 4 inner chambers are communicated with cooling tube 5 inner chambers, ash bucket 4 bottoms are provided with unloading valve door 8, side, described ash bucket 4 top is provided with smoke inlet 6, air cooler 3 tops are provided with exhanst gas outlet 1, constitute smoke flow channels by smoke inlet 6, ash bucket 4, cooling tube 5 and exhanst gas outlet 1.
Described ash bucket 4 inwalls are provided with some baffle deflectors 7 relative with the flow of flue gas direction.
Described cooling tube 5 bottom interior wall are provided with wear-resistant sleeve 10.
Described cooling tube 5 is vertically and is arranged in parallel.
Be provided with chain type cinder conveyer 9 under the described unloading valve door 8.
Described cooling air intake connection shaft flow fan 2.
With reference to Fig. 2, when the present invention uses, high-temperature flue gas is entered by smoke inlet 6, baffle deflector 7 makes crude particle dust collide sedimentation early, and stablizes 30～50 ℃ of coolings in ash bucket 4, enters several cooling tubes 5 then and carries out forced cooling, normal temperature air is under the positive action of axial flow blower 2, rapidly from the outer wall of cooling tube wash away by, take away flue gas heat, reduced flue-gas temperature.Being 300-450 ℃ as the flue-gas temperature with smoke inlet place 6 is example, and the flue-gas temperature at exhanst gas outlet 1 place, cooling back is approximately 150-200 ℃.

Claims (4)

1. air blast cooling device that is used for cooling high-temperature fume, comprise air cooler and ash bucket, air cooler inside is provided with some cooling tubes, the air cooler sidepiece is provided with cooling air intake and outlet, and ash bucket is installed in the air cooler below, and the ash bucket inner chamber is communicated with the cooling tube inner chamber, the ash bucket bottom is provided with the unloading valve door, it is characterized in that: side, described ash bucket top is provided with smoke inlet, and the air cooler top is provided with exhanst gas outlet, constitutes smoke flow channels by smoke inlet, ash bucket, cooling tube and exhanst gas outlet; Described ash bucket inwall is provided with some baffle deflectors relative with the flow of flue gas direction; Described cooling tube bottom interior wall is provided with wear-resistant sleeve.
2. according to the air blast cooling device that is used for cooling high-temperature fume of claim 1, it is characterized in that: described cooling tube is vertically and is arranged in parallel.
3. according to the air blast cooling device that is used for cooling high-temperature fume of claim 1, it is characterized in that: be provided with the chain type cinder conveyer under the described unloading valve door.
4. according to the air blast cooling device that is used for cooling high-temperature fume of claim 1, it is characterized in that: described cooling air intake connection shaft flow fan.
CN2009100982324A 2009-04-30 2009-04-30 Forced-cooling device for temperature reduction of high temperature flue gas Expired - Fee Related CN101556050B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102297615A (en) * 2011-08-10 2011-12-28 无锡方盛换热器制造有限公司 Heat exchange device for high-temperature waste gas
CN104373943B (en) * 2014-10-17 2017-01-11 东莞理工学院 Slag cooling device of energy-saving boiler system
CN104677124B (en) * 2015-02-06 2017-01-11 辽宁兰天炉窑集团有限公司 Dust removal system and process for josephinite heating furnace
CN105841501A (en) * 2016-05-23 2016-08-10 中钢集团天澄环保科技股份有限公司 Temperature regulating type natural air cooler
CN107228579A (en) * 2017-06-16 2017-10-03 无锡雪浪环境科技股份有限公司 Self-cleaning high-performance forces cold wind blower

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