CN102229474A - Burnt lime slaker dust-containing vapor purification device - Google Patents

Burnt lime slaker dust-containing vapor purification device Download PDF

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Publication number
CN102229474A
CN102229474A CN 201010242022 CN201010242022A CN102229474A CN 102229474 A CN102229474 A CN 102229474A CN 201010242022 CN201010242022 CN 201010242022 CN 201010242022 A CN201010242022 A CN 201010242022A CN 102229474 A CN102229474 A CN 102229474A
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China
Prior art keywords
dust
uniform distribution
burnt lime
horizontal section
scavenging tower
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CN 201010242022
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Chinese (zh)
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CN102229474B (en
Inventor
王常秋
门涛
裴号乾
王振年
徐强
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Angang Group Mining Co Ltd
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Angang Group Mining Co Ltd
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Abstract

The invention relates to the technical field of wet dust removal in the field of environmental protection, in particular to a burnt lime slaker dust-containing vapor purification device. The burnt lime slaker dust-containing vapor purification device comprises a gas collecting cover, forced spray nozzles, a water collecting groove, a purifying tower, a group of airflow uniform distribution plates, a group of forced spray nozzles, a mist eliminator, a stirring device, a slurry pump, a slurry conveying pipeline, a spiral dehydrator, a draught fan and a water supply pipeline, wherein the gas collecting cover consists of a vertical section and a horizontal section; the purifying tower is connected with the gas collecting cover; the airflow uniform distribution plates and the forced spray nozzles are arranged on the middle part of the purifying tower; the mist eliminator is arranged on the upper part of the purifying tower; the stirring device is arranged in an inverted cone-shaped section of the lower part of the purifying tower; the number of the airflow uniform distribution plates is 2 to 5; the middle part of the purifying tower is divided into 2 to 5 purifying layers; and the forced spray nozzle is arranged in each purifying layer. The burnt lime slaker dust-containing vapor purification device effectively solves the problem of dust-containing vapor generated in the slaking process of the burnt lime, reduces pollution to the ambient environment, effectively recovers resources, improves conditions of field operation, and guarantees the health of workers.

Description

Burnt lime digester dust-containing water vapor purge device
Technical field
The present invention relates to the wet dust collection technology field in environmental protection field, particularly a kind of burnt lime digester dust-containing water vapor purge device.
Background technology
At present, in the agglomerate production process, must add unslaked lime, in adding the unslaked lime process, need add water digestion, in digestive process because of chemical reaction takes place unslaked lime, produced the water vapour that contains fine particle CaO in a large number, this gas is dispersed in factory building, and It is so dark that one can't see the man in front of him in this operating area when serious, and the people can't be breathed, simultaneously under the effect of air pressure to the factory building external diffusion, very big to the surrounding environment pollution, the workman is endangered at this operation health, is a serious risk source.
Because of having property of CaO particulate is glued characteristics such as high, that precipitation is fixed soon, water liquid is clarified slowly, corrodibility is strong, sticking glutinous pipeline and fly-ash separator body and draught fan impeller in dust separating process, dust-removal system was blocked up and is scrapped in 2~3 months substantially.Understand at present domestic and international none complete technical scheme according to investigations.
Summary of the invention
The object of the invention provides a kind of unslaked lime vapour dirt refining plant, by unslaked lime vapour dirt refining plant is installed, efficiently solve the dust-laden steam problem that produces in the quicklime slaking process, reduced pollution to surrounding environment, the efficient recovery resource, improve the site work condition, guaranteed the post personnel healthy.
The objective of the invention is to realize by following technical proposals:
Burnt lime digester dust-containing water vapor purge device of the present invention, it is characterized in that by the gas skirt that constitutes by vertical section and horizontal section that is arranged on burnt lime digester conveyor belt machine top, a row who is located in the horizontal section of this gas skirt forces spray spout, be located at the water leg of the horizontal section bottom of this gas skirt, the scavenging tower that is connected of the horizontal section of gas skirt therewith, evenly be located at one group of airflow uniform distribution plate at this scavenging tower middle part, another row who is separately positioned on this group of airflow uniform distribution plate top forces spray spout, be located at the mist eliminator on this scavenging tower top, be located at the whipping appts in this scavenging tower bottom back taper section, the slag stock pump that is connected of the end opening of scavenging tower bottom back taper section therewith, the transfer line that connects this slag stock pump and burnt lime digester, the spiral water trap that is connected with described mist eliminator, by the air draft pipeline induced draft fan that is connected of spiral water trap therewith, and form with the water-supply line that described two rows force spray spouts to be connected.
Described one group of airflow uniform distribution plate is a 2-5 piece airflow uniform distribution plate, and described this scavenging tower middle part is divided into 2-5 purifying layer, is equipped with the pressure spray spout in each purifying layer.
In the described horizontal section one row forces spray spout to be 2-5 and forces spray spout.
The water leg of the horizontal section bottom of described gas skirt is connected with the hypomere of described scavenging tower.
The working process of burnt lime digester dust-containing water vapor purge device of the present invention is: gas skirt is collected the dust-containing water steam that disperse is come out on the burnt lime digester conveyor belt machine, remove the part grit under the pressure spray of the pressure spray spout of this dust-containing water steam in horizontal section, dust-containing water is collected in the water leg and is flowed in the scavenging tower again, prevents the horizontal section of stifled gas skirt.Water vapour after rough purification enters and carry out multi-level spray cleaning in the scavenging tower in scavenging tower, and every layer all is provided with the airflow uniform distribution plate, and purified gas is taked two sections dehydrations (mist eliminator+spiral dehydration) to handle the back and entered atmosphere by induced draft fan.The sewage that produces in the scavenging process enters in the back taper section of scavenging tower bottom, returns the digestive organ recycle by the slag stock pump.In the back taper section of scavenging tower bottom, whipping appts is set, the sewage that enters is wherein constantly stirred, prevent CaO precipitation occluding device.Treating plant is near more good more from " steam dirt " source.
The invention has the beneficial effects as follows: efficiently solve the steam problem that produces in the quicklime slaking process, reduced the pollution to surrounding environment, the efficient recovery resource is improved the site work condition, guaranteed the post personnel healthy.Device structure is simple, is easy to make; Running cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, burnt lime digester dust-containing water vapor purge device of the present invention, it is characterized in that the gas skirt 2 that constitutes by vertical section and horizontal section by conveyor belt machine 3 tops that are arranged on burnt lime digester 1, a row who is located in the horizontal section of this gas skirt 2 forces spray spout, be located at the water leg of the horizontal section bottom of this gas skirt 2, the scavenging tower 5 that is connected of the horizontal section of gas skirt 2 therewith, evenly be located at one group of airflow uniform distribution plate 7 at these scavenging tower 5 middle parts, another row who is separately positioned on these group of airflow uniform distribution plate 7 top forces spray spout 8, be located at the mist eliminator 4 on these scavenging tower 5 tops, be located at the whipping appts 9 in these scavenging tower 5 bottom back taper sections, the slag stock pump 11 that is connected of the end opening of scavenging tower 5 bottom back taper sections therewith, the transfer line that connects this slag stock pump 11 and burnt lime digester 1, the spiral water trap 6 that is connected with described mist eliminator 4, by the air draft pipeline induced draft fan 10 that is connected of spiral water trap 6 therewith, and form with the water-supply line that described two rows force spray spouts to be connected.
Described one group of airflow uniform distribution plate 7 is a 2-5 piece airflow uniform distribution plate, and described this scavenging tower middle part is divided into 2-5 purifying layer, is equipped with the pressure spray spout in each purifying layer.
In the described horizontal section one row forces spray spout to be 2-5 and forces spray spout.
The water leg of the horizontal section bottom of described gas skirt is connected with the hypomere of described scavenging tower 5.
Arrow 1 expression dust-containing water flow of vapor direction among the figure; Arrow 2 among the figure represents to purify air mobile direction; Arrow 3 expression slag slurry flow directions among the figure; Arrow 4 expression digestion lime flow directions among the figure.
Embodiment
In embodiment as shown in Figure 1, in the horizontal section of gas skirt, be provided with 3 and force spray spout.Be provided with 3 blocks of airflow uniform distribution plates at the scavenging tower middle part, the scavenging tower middle part is divided into 3 purifying layers, be equipped with one in each purifying layer and force spray spout.In actual engineering, can determine to force the quantity of spray spout, airflow uniform distribution plate according to the actual specification of burnt lime digester.

Claims (4)

1. burnt lime digester dust-containing water vapor purge device, it is characterized in that by the gas skirt that constitutes by vertical section and horizontal section that is arranged on burnt lime digester conveyor belt machine top, a row who is located in the horizontal section of this gas skirt forces spray spout, be located at the water leg of the horizontal section bottom of this gas skirt, the scavenging tower that is connected of the horizontal section of gas skirt therewith, evenly be located at one group of airflow uniform distribution plate at this scavenging tower middle part, another row who is separately positioned on this group of airflow uniform distribution plate top forces spray spout, be located at the mist eliminator on this scavenging tower top, be located at the whipping appts in this scavenging tower bottom back taper section, the slag stock pump that is connected of the end opening of scavenging tower bottom back taper section therewith, the transfer line that connects this slag stock pump and burnt lime digester, the spiral water trap that is connected with described mist eliminator, by the air draft pipeline induced draft fan that is connected of spiral water trap therewith, and form with the water-supply line that described two rows force spray spouts to be connected.
2. unslaked lime vapour dirt refining plant according to claim 1 is characterized in that described one group of airflow uniform distribution plate is a 2-5 piece airflow uniform distribution plate, and described this scavenging tower middle part is divided into 2-5 purifying layer, is equipped with the pressure spray spout in each purifying layer.
3. unslaked lime vapour dirt refining plant according to claim 1 is characterized in that the row of one in the described horizontal section forces spray spout to be 2-5 and forces spray spout.
4. unslaked lime vapour dirt refining plant according to claim 1, it is characterized in that described gas skirt horizontal section bottom water leg bottom land to the hypomere of described scavenging tower tilt and therewith hypomere be connected.
CN2010102420220A 2010-07-30 2010-07-30 Burnt lime slaker dust-containing vapor purification device Active CN102229474B (en)

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CN102229474B CN102229474B (en) 2012-08-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102728165A (en) * 2012-07-17 2012-10-17 重庆钢铁(集团)有限责任公司 Method for recovering raise dust of sintering flux
CN104229422A (en) * 2014-09-03 2014-12-24 鞍钢集团矿业公司 Belt conveyor intelligent current detection spraying system and control method
CN107174901A (en) * 2017-06-20 2017-09-19 唐山欣盈环保设备制造有限公司 A kind of water spray type dust removal by ventilation takes off mist tower and technique
CN108129038A (en) * 2018-02-01 2018-06-08 江苏中建材环保研究院有限公司 A kind of rotating spraying semi-dry process flue gas desulphurization lime digestion system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779992A (en) * 1987-06-03 1988-10-25 Dravo Corporation Lime slaker
CN1053257A (en) * 1991-01-11 1991-07-24 刘春喜 The gas purifying method of small gas station
CN1144303A (en) * 1995-04-05 1997-03-05 周光胜 Applying work method by using mass energy sources limestone decomposing heat energy
CN1416941A (en) * 2002-12-12 2003-05-14 江西省国燕橡胶有限公司 Technological tail gas purifying method for reclaimed rubber production
US6568842B1 (en) * 2000-06-13 2003-05-27 United States Lime And Minerals, Inc. High capacity mobile lime slaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779992A (en) * 1987-06-03 1988-10-25 Dravo Corporation Lime slaker
CN1053257A (en) * 1991-01-11 1991-07-24 刘春喜 The gas purifying method of small gas station
CN1144303A (en) * 1995-04-05 1997-03-05 周光胜 Applying work method by using mass energy sources limestone decomposing heat energy
US6568842B1 (en) * 2000-06-13 2003-05-27 United States Lime And Minerals, Inc. High capacity mobile lime slaker
CN1416941A (en) * 2002-12-12 2003-05-14 江西省国燕橡胶有限公司 Technological tail gas purifying method for reclaimed rubber production

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102728165A (en) * 2012-07-17 2012-10-17 重庆钢铁(集团)有限责任公司 Method for recovering raise dust of sintering flux
CN102728165B (en) * 2012-07-17 2014-06-04 重庆钢铁(集团)有限责任公司 Method for recovering raise dust of sintering flux
CN104229422A (en) * 2014-09-03 2014-12-24 鞍钢集团矿业公司 Belt conveyor intelligent current detection spraying system and control method
CN104229422B (en) * 2014-09-03 2016-03-09 鞍钢集团矿业公司 Belt transporter Intelligent current detects drenching system and control method
CN107174901A (en) * 2017-06-20 2017-09-19 唐山欣盈环保设备制造有限公司 A kind of water spray type dust removal by ventilation takes off mist tower and technique
CN108129038A (en) * 2018-02-01 2018-06-08 江苏中建材环保研究院有限公司 A kind of rotating spraying semi-dry process flue gas desulphurization lime digestion system

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Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong

Patentee after: Anshan Iron and Steel Group Mining Co., Ltd.

Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong

Patentee before: Anshan Iron & Steel Group Mining Co., Ltd.