CN107639096A - Quick lime discharging pit dust removal method - Google Patents
Quick lime discharging pit dust removal method Download PDFInfo
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- CN107639096A CN107639096A CN201611087160.XA CN201611087160A CN107639096A CN 107639096 A CN107639096 A CN 107639096A CN 201611087160 A CN201611087160 A CN 201611087160A CN 107639096 A CN107639096 A CN 107639096A
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- dust
- discharging pit
- quick lime
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- cleaning shaft
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Abstract
The present invention relates to a kind of quick lime discharging pit dust removal method, mainly solves the problems, such as that dust catching effect is poor in the prior art.The present invention is by using a kind of quick lime discharging pit dust removal method, quick lime discharging pit dedusting is carried out using quick lime discharging pit dust arrester, the dust arrester includes blower fan, discharging pit dust catching equipment, cleaning shaft, tails dedusting equipment, the fresh air that blower fan A is introduced flows through discharging pit dust catching equipment, cleaning shaft and tails dedusting equipment successively, the technical scheme of gas discharge air up to standard preferably solves above mentioned problem, available in quick lime discharging pit dedusting.
Description
Technical field
The present invention relates to a kind of quick lime discharging pit dust removal method.
Background technology
Set up in the process units of quicklime slaking production milk of lime, between quick lime discharging and be equipped with discharging pit, raw material life
Lime is transported to discharging pit by dumper, using it is semi-automatic unload to be aided with by the way of manual discharging quick lime is discharged into discharging
Hole, then feed bin is transported to by belt conveyor.Because material grit is thin, the caused induction in the discharge process of quick lime
The reasons such as wind are very easy to produce lime dust, have not only seriously polluted workplace but also have endangered operating personnel's occupational health.
For ease of dump truck discharge, totally-enclosed dust shield can not be set at discharging pit.Existing quick lime discharging pit dust
Controlling device is frequently with top-draught hood.Problems be present during the use of top-draught hood：(1) it is to leave appropriate unload to dumper
Material space, larger spacing must be left between top-draught hood and discharging pit, apart from dirt source hypertelorism, dust collection effect is not
It is good.(2) because discharging pit area is big, discharging pit production can not be all trapped when the dust shield area of setting is less than discharging pit area
Raw dust；When setting the area of dust shield to be more than discharging pit area, energy consumption level is big, and dust-containing tail gas cleaning system is negative
Lotus increases, and cleaning shaft easily blocks.
Because lime belongs to strongly hydrophilic and strong cohesive property dust, easily lump or be adhered to deduster and inner-walls of duct；
The hydrated lime particle generated after digestion, precipitation of calcium carbonate further is generated with carbon dioxide reaction in atmosphere after water suction, largely
Precipitation of calcium carbonate just form hard scale and hardened, i.e. the hydraulicity【The Laigang Sintering Plant quick limes such as Zhao Hongguang, Xiang Tiande, Li Xingyi
Improvement [J] agglomerates of sintered pellets of airborne dust, 2009,34 (6), 50-53.】.Existing cleaning shaft lacks water injector, tube wall adhesion
Be detained it is hardened after, pipeline can be blocked, have a strong impact on the normal operation of dust pelletizing system.
The content of the invention
The technical problems to be solved by the invention are the problem of dust catching effect are poor in the prior art, there is provided Yi Zhongxin
Quick lime discharging pit dust removal method.This method has the advantages of dust catching effect is preferable.
To solve the above problems, the technical solution adopted by the present invention is as follows：A kind of quick lime discharging pit dust removal method, use
Quick lime discharging pit dust arrester carries out quick lime discharging pit dedusting, and the dust arrester includes blower fan, discharging pit dust catching
Equipment, cleaning shaft, tails dedusting equipment, the fresh air that blower fan A is introduced flow through discharging pit dust catching equipment, dedusting successively
Pipeline and tails dedusting equipment, gas up to standard discharge air；Wherein, the discharging pit dust catching equipment includes air blowing hood, inhaled
Fan housing, top cover, top cover are located at the top of discharging pit dust catching equipment, and discharging pit dust catching front equipment end is provided with dust-break curtain, unloaded
Material hole close fresh air inlet side set air blowing hood, air outlet slit side setting suspended hood, fresh air through air supply duct, give
Fan housing flows through the dust-laden space on discharging pit top, and dusty gas delivers to tails dedusting equipment through suspended hood, cleaning shaft；Dust removing tube
Road is provided with the dust that at least one set of water spraying pipeline bonds to tube wall and is rinsed, and caused flushing liquor enters tail by collecting pipe
Gas cleaner.
In above-mentioned technical proposal, it is preferable that the water spraying pipeline on cleaning shaft is located at pipeline both sides, dislocation arrangement.
In above-mentioned technical proposal, it is preferable that dust-break curtain is located at dumper reserved opening position.
In above-mentioned technical proposal, it is preferable that the air outlet slit of tails dedusting equipment is provided with blower fan B, blower fan B outlets and high-altitude
Discharge pipe line entrance is connected.
The present invention develops a kind of lime stone discharging pit dust removal method, solve discharging pit because can not set totally-enclosed dust shield with
The problems such as top-draught hood dust catching is ineffective, energy consumption is too high and cleaning shaft easily blocks.Discharging pit dust catching system is adopted
Good with trapping effect of the blowing and drawing ventilation dedusting technology to dust, the ability of resistance external interference air-flow is stronger, control area
Flexibly；Discharging pit dust catching system realizes semi-hermetic, and the application of top cover and dust-break curtain effectively prevents the loss of dust；Send
The area of fan housing and suspended hood is small, and the air quantity of blower fan is small, whole dedusting energy-saving significant effect；Cleaning shaft is additionally arranged water spray system
System, is effectively reduced the bonding of tube wall dust, prevents line clogging, improve the stability and operational efficiency of dust pelletizing system, take
Obtained preferable technique effect.
Brief description of the drawings
Fig. 1：Quick lime discharging pit dust arrester forms and each several part connection diagram.
Fig. 2：Discharging pit dust catching equipment detailed construction schematic diagram.
Fig. 3：Cleaning shaft water spraying structure schematic diagram.
In Fig. 1,1, blower fan A；2nd, discharging pit dust catching system；3rd, cleaning shaft；4th, tail gas dust cleaning apparatus；5th, blower fan B；
6th, fresh air；7th, top cover；8th, air blowing hood；9th, dust-break curtain；10th, discharging pit；11st, suspended hood；12nd, cleaning shaft pipeline is removed；13、
Water spraying pipeline；14th, tail gas dust cleaning apparatus pipeline is removed.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Embodiment
【Embodiment 1】
The present invention relates to a kind of quick lime discharging pit dust removal method, and quick lime is carried out using quick lime discharging pit dust arrester
Discharging pit dedusting, removed as shown in figure 1, the dust arrester includes blower fan, discharging pit dust catching equipment, cleaning shaft, tail gas
Dirt equipment, the fresh air that blower fan A is introduced flow through discharging pit dust catching equipment, cleaning shaft and tails dedusting equipment successively,
Gas up to standard discharges air.
As shown in Fig. 2 the discharging pit dust catching equipment includes air blowing hood, suspended hood, top cover, top cover is located at discharging pit
At the top of dust catching equipment, discharging pit dust catching front equipment end is provided with dust-break curtain, the close fresh air inlet side of discharging pit
Air blowing hood is set, and air outlet slit side sets suspended hood, and fresh air flows through the dust-laden on discharging pit top through air supply duct, air blowing hood
Space, dusty gas deliver to tails dedusting equipment through suspended hood, cleaning shaft；Cleaning shaft is provided with least one set of water spraying pipeline
The dust bonded to tube wall is rinsed, and caused flushing liquor enters tails dedusting equipment by collecting pipe.
As shown in figure 3, the water spraying pipeline on cleaning shaft is located at pipeline both sides, dislocation arrangement.
Dust-break curtain is located at the setting of dumper reserved opening position.
The air outlet slit of tails dedusting equipment is provided with blower fan B, and blower fan B outlets are connected with high altitude discharge line inlet.
【Comparative example】
Original quick lime discharging pit dust arrester is made up of top-draught hood, cleaning shaft, deduster and blower fan, and top-draught hood is placed in
The upside of discharging pit, deduster, dust-laden are entered by cleaning shaft after caused dust is trapped by top-draught hood in discharge process
Gas removing dust device purifies, purified gas discharge air.To leave the appropriate material space that unloads to dumper, top-draught hood is with unloading
Material must leave larger spacing between hole, ineffective apart from dirt source hypertelorism, dust collection.Due to discharging pit area
Greatly, dust caused by discharging pit can not all be trapped when the dust shield area of setting is less than discharging pit area；When setting dust suction
When the area of cover is more than discharging pit area, energy consumption level is big, and the load increase of dust-containing tail gas cleaning system, cleaning shaft are easy
Block.Cleaning shaft is not provided with water injector, and the lime dust in cleaning shaft needs regular hand sweeping, cumbersome, and
Cleaning is easy to cause pipeline obstruction not in time.
Obviously, in the present invention, discharging pit dust catching system is using trapping effect of the blowing and drawing ventilation dedusting technology to dust
Fruit is good, and the ability of resistance external interference air-flow is stronger, and control area is flexible；It is close that discharging pit dust catching equipment realizes half
Close, the application of top cover and dust-break curtain effectively prevents the loss of dust；The area of air blowing hood and suspended hood is small, the air quantity of blower fan
It is small, whole dedusting energy-saving significant effect；Cleaning shaft is additionally arranged water injection system, is effectively reduced the bonding of tube wall dust, prevents
Only line clogging, the stability and operational efficiency of dust pelletizing system are improved, achieves preferable technique effect.
Claims (4)
1. a kind of quick lime discharging pit dust removal method, quick lime discharging pit dedusting is carried out using quick lime discharging pit dust arrester,
The dust arrester includes blower fan, discharging pit dust catching equipment, cleaning shaft, tails dedusting equipment, and blower fan A is introduced fresh
Air flows through discharging pit dust catching equipment, cleaning shaft and tails dedusting equipment successively, and gas up to standard discharges air；Wherein,
The discharging pit dust catching equipment includes air blowing hood, suspended hood, top cover, and top cover is located at the top of discharging pit dust catching equipment,
Discharging pit dust catching front equipment end is provided with dust-break curtain, and the close fresh air inlet side of discharging pit sets air blowing hood, and air goes out
Mouth side sets suspended hood, and fresh air flows through the dust-laden space on discharging pit top through air supply duct, air blowing hood, and dusty gas is through inhaling
Fan housing, cleaning shaft deliver to tails dedusting equipment；Cleaning shaft is provided with the dust that at least one set of water spraying pipeline bonds to tube wall
It is rinsed, caused flushing liquor enters tails dedusting equipment by collecting pipe.
2. quick lime discharging pit dust removal method according to claim 1, it is characterised in that the water spraying pipeline position on cleaning shaft
In pipeline both sides, dislocation arrangement.
3. quick lime discharging pit dust removal method according to claim 1, it is characterised in that dust-break curtain is located at dumper reserved opening
Position.
4. quick lime discharging pit dust removal method according to claim 1, it is characterised in that the air outlet slit of tails dedusting equipment
Provided with blower fan B, blower fan B outlets are connected with high altitude discharge line inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087160.XA CN107639096A (en) | 2016-12-01 | 2016-12-01 | Quick lime discharging pit dust removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087160.XA CN107639096A (en) | 2016-12-01 | 2016-12-01 | Quick lime discharging pit dust removal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107639096A true CN107639096A (en) | 2018-01-30 |
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ID=61109375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611087160.XA Pending CN107639096A (en) | 2016-12-01 | 2016-12-01 | Quick lime discharging pit dust removal method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003212354A (en) * | 2002-01-21 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Unloader |
| CN201079793Y (en) * | 2007-07-26 | 2008-07-02 | 刘霖 | Highly effective linear mobile dust-removing equipment |
| CN101224365A (en) * | 2007-10-12 | 2008-07-23 | 李从广 | Dedusting method for burnt lime hydrator and device thereof |
| CN101830645A (en) * | 2010-04-06 | 2010-09-15 | 建德市沪联建筑材料有限公司 | Environment-friendly multi-stage ash-digesting apparatus system |
| CN201632468U (en) * | 2009-12-03 | 2010-11-17 | 东华大学 | Device for controlling dust and purifying by blowing and sucking air current |
| CN104208954A (en) * | 2014-09-25 | 2014-12-17 | 广西大都混凝土集团有限公司 | Collecting and dedusting device |
| CN205257541U (en) * | 2015-12-30 | 2016-05-25 | 上海化学工业区升达废料处理有限公司 | System of unloading of coke |
| CN105819243A (en) * | 2016-05-16 | 2016-08-03 | 金华华东环保设备有限公司 | Movable type dust removing system of bulk cement and sacked cement car loader |
-
2016
- 2016-12-01 CN CN201611087160.XA patent/CN107639096A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003212354A (en) * | 2002-01-21 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Unloader |
| CN201079793Y (en) * | 2007-07-26 | 2008-07-02 | 刘霖 | Highly effective linear mobile dust-removing equipment |
| CN101224365A (en) * | 2007-10-12 | 2008-07-23 | 李从广 | Dedusting method for burnt lime hydrator and device thereof |
| CN201632468U (en) * | 2009-12-03 | 2010-11-17 | 东华大学 | Device for controlling dust and purifying by blowing and sucking air current |
| CN101830645A (en) * | 2010-04-06 | 2010-09-15 | 建德市沪联建筑材料有限公司 | Environment-friendly multi-stage ash-digesting apparatus system |
| CN104208954A (en) * | 2014-09-25 | 2014-12-17 | 广西大都混凝土集团有限公司 | Collecting and dedusting device |
| CN205257541U (en) * | 2015-12-30 | 2016-05-25 | 上海化学工业区升达废料处理有限公司 | System of unloading of coke |
| CN105819243A (en) * | 2016-05-16 | 2016-08-03 | 金华华东环保设备有限公司 | Movable type dust removing system of bulk cement and sacked cement car loader |
Non-Patent Citations (1)
| Title |
|---|
| 田立江等: "《大气污染控制工程实践教程》", 30 September 2016 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180130 |
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| RJ01 | Rejection of invention patent application after publication |