CN102350142B - Device and method for collecting waste gas during water quenching of liquid slag - Google Patents
Device and method for collecting waste gas during water quenching of liquid slag Download PDFInfo
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- CN102350142B CN102350142B CN201110273377.0A CN201110273377A CN102350142B CN 102350142 B CN102350142 B CN 102350142B CN 201110273377 A CN201110273377 A CN 201110273377A CN 102350142 B CN102350142 B CN 102350142B
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Abstract
The invention relates to a device and a method for collecting waste gas during water quenching of liquid slag, and the method and device provided by the invention are used for overcoming the technical difficulty in collection of waste gas during water quenching of the liquid slag. The waste gas is collected by a mobile gas collection cover; the waste gas passes through a mobile gas exhaust pipe and a fixed gas exhaust pipe, is cooled and condensed by atomized water sprayed out of a spiral atomization nozzle, and then is conveyed into a washing fan; the condensed waste gas enters a water and gas separation barrel at a flow speed of 30 meters per second after being cooled; under the action of a centrifugal force, condensed water and dust move downwards along the wall of the barrel so as to be separated and purified; purified clean air is emptied by virtue of an air exhaust barrel; the condensed water and the dust are discharged by virtue of a discharge pipe arranged at the bottom of the barrel body; and the separated sewage is conveyed into a clarification tank for clarification and reused, therefore, the blank of collection of the waste gas during water quenching of the liquid slag in China is filled, and the device has the advantages of conservation of water resources, good environmentally-friendly effect, simplicity and convenience in operation and improvement on working environment.
Description
Technical field
The present invention relates to a kind of device and method of the liquid slag shrend process waste gas collection and treatment for the collection and treatment of liquid slag shrend process waste gas.
Background technology
For manufacturing enterprise, in production process, can produce a large amount of liquid slag.Liquid slag itself has the advantages that temperature is high, high-temperature liquid state slag need to be put into water cooling pond cooling, then with grab bucket, waste residue is produced in pond.During this operation work, moment can produce the flue gas of a large amount of moisture vapors and a small amount of dust, forms white water smoke disperse space around.
At present, domestic also do not have enterprise's liquid towards pulp water process waste gas of quenching to process, and the harm that Water Quenching Slag process waste gas causes aspects such as environment, equipment, safety is very large, is mainly manifested in the following aspects:
(1) peripheral equipment seriously corroded.Because high humidity, temperature are high, equipment corrosion is serious, has had a strong impact on performance and the service life of equipment.
(2) periphery workshop low visibility, personnel's operating difficulties.In slagging process, moment, uninterrupted flue gas generation was large, and within the scope of 10m, sight line is affected, and winter, smog scope can be wider, caused personnel's dysopia when operation, inspection device, for safety in production brings very large inconvenience.
(3) environmental pollution, water resource waste are serious.Because liquid slag temperature is very high, greatly about 1000 ℃ of left and right, put into behind flushing cinder pond, when producing a large amount of steam, can be mingled with and take part dust out of, not only cause environmental pollution, flushing cinder Chi Shui also can be along with steam is lost.Therefore, need constantly to flushing cinder pond, to supplement new water, 1 ton of liquid slag of every shrend need be supplemented 0.4～0.8m
3the water yield, cause very large water resource waste.So be necessary that the liquid towards pulp water process waste gas of quenching carries out collection and treatment, safeguards normal order of work.
Summary of the invention
The device and method that the object of the invention is to overcome the technical barrier of liquid slag shrend process waste gas collection and treatment and provide the collection and treatment of a kind of liquid slag shrend process waste gas, not only fill up the blank of domestic liquid slag shrend process waste gas collection and treatment, also there is the advantage that saving water resource, environment protecting are good, simple to operation, improve operating environment.
Technical scheme of the present invention is achieved in that
The device of a kind of liquid slag shrend process waste gas collection and treatment, comprise portable gas skirt, be fixed on the washing blower fan in frame, the aqueous vapor cylinder being connected with washing blower fan, it is characterized in that: at portable gas skirt two ends, cover body outer setting has four road wheels, road wheel is placed on track, and electrical walking device is connected with one end road wheel; Mobile blast pipe is fixed on portable gas skirt end face, and one end is connected with the air outlet of portable gas skirt, the other end and fixing blast pipe overlap joint; Fixing blast pipe one end and mobile blast pipe overlap joint, the other end is connected with washing blower fan; Spiral atomizer is fixed on fixing blast pipe near washing blower fan one end, and stretches into fixing blast pipe inside center position, and spout is aimed at washing air inlet end face; Washing blower fan is packed in frame, and air inlet is connected with fixing blast pipe, and air outlet is connected by connecting pipe with the air inlet of aqueous vapor cylinder; Bearing housing is packed in frame, is provided with one by the bearings axle shared with washing blower fan in bearing housing; Motor is packed in frame, by the axle in bearing housing, drives washing blower fan; The air outlet of aqueous vapor cylinder is connected with aiutage, and the sewage mouth of aqueous vapor cylinder is connected with blow-off pipe.
Portable gas skirt is identical with flushing cinder pond size, is to be formed by shaped steel and Plate Welding, and bottom is rectangle, and top is taper, and air outlet is located at topmost.
Aqueous vapor cylinder is the cylindrical shell that steel plate or composite board material are made, and its top is cylindrical shape, and bottom is cone, in top cylindrical shell one side, is provided with air inlet, at the top of top cylindrical shell, is provided with air outlet, and the bottom of cone is provided with sewage mouth.
Described mobile blast pipe and fixing blast pipe lap-joint adopt Rubber end.
A method for liquid slag shrend process waste gas collection and treatment, is characterized in that: the step of the method is as follows:
First, portable gas skirt is covered directly over flushing cinder pond accurately, mobile blast pipe and fixing blast pipe overlap joint are closely sealed;
Then, temperature is got rid of in smelting furnace the liquid slag of 1000 ℃, liquid slag enters flushing cinder pond by cinder-flushing groove, at flushing cinder a large amount of waste gas of instantaneous generation in this, waste gas is moved formula gas skirt and collects, then pass through mobile blast pipe, fixing blast pipe, when the fixing blast pipe of waste gas process, spiral atomizer ejection atomized water is to the waste gas coagulation of lowering the temperature, mixed waste gas is admitted to washing blower fan, the processing of lowering the temperature, with 30m/s flow velocity, enter aqueous vapor cylinder afterwards, under the effect of centrifugal force, condensed water and dust move downward along barrel, carry out isolation of purified, pure air after purification is emptying by aiutage, and condensed water and dust, through the discharge of cylinder body bottom blow-off pipe, are sent into the sewage of separating in depositing reservoir and clarified, and then carry out secondary utilization,
Finally, when slag is enough, portable gas skirt parallel in setting regions, catches the slag in flushing cinder pond, and mobile blast pipe is disconnected by lap-joint automatically, with portable gas skirt, to respective direction, moves; After grabbing slag, portable gas skirt and mobile blast pipe reset, and mobile blast pipe lap-joint is closely sealed.
The present invention has following beneficial effect:
1, the present invention, by carrying out collection and treatment containing the high-temp waste gas of a large amount of steam and a small amount of dust, gives off clean air (gas dust content ﹤ 50mg/m
3), so environment protecting is obvious.
2, the present invention clarifies rear recycling by the sewage of recovery, can reduce by 80% the supplementary new water yield in flushing cinder pond, reaches the effect of saving water resource.
Whole collections of 3, quenching process waste gas due to liquid towards pulp water, have created dry clean and tidy running environment for surrounding devices operation, have greatly reduced the damage of equipment, reach the object of synergy.And improved operating environment, reduced the equipment misoperation and the security incident that due to dysopia, cause.
Accompanying drawing explanation
Fig. 1 is the device top view of liquid slag shrend process waste gas collection and treatment.
Fig. 2 is the device partial devices schematic diagram of liquid slag shrend process waste gas collection and treatment.
Fig. 3 is the device front view of liquid slag shrend process waste gas collection and treatment.
The specific embodiment
As shown in Figure 1, the device of a kind of liquid slag shrend process waste gas collection and treatment, comprise portable gas skirt 1, be fixed on the washing blower fan 8 in frame, the aqueous vapor cylinder 13 being connected with washing blower fan 8, it is characterized in that: in portable gas skirt 1 two ends cover body outer setting, have four road wheels 2, road wheel 2 is placed on track 4, and electrical walking device 3 is connected with one end road wheel 2; Mobile blast pipe 5 is fixed on portable gas skirt 1 end face, and one end is connected with the air outlet of portable gas skirt 1, and the other end and fixing blast pipe 6 overlap; Fixing blast pipe 6 one end and mobile blast pipe 5 overlap, and the other end is connected with washing blower fan 8; Spiral atomizer 7 is fixed on fixing blast pipe 6 near washing blower fan 8 one end, and stretches into fixing blast pipe 6 inside center positions, and spout is aimed at washing blower fan 8 air inlet end faces; Washing blower fan 8 is packed in frame 11, and air inlet is connected with fixing blast pipe 6, and air outlet is connected by connecting pipe 12 with the air inlet of aqueous vapor cylinder 13; Bearing housing 9 is packed in frame 11, is provided with one by the bearings axle shared with washing blower fan 8 in bearing housing; Motor 10 is packed in frame 11, by the axle in bearing housing, drives washing blower fan 8; The air outlet of aqueous vapor cylinder 13 is connected with aiutage 14, and the sewage mouth of aqueous vapor cylinder 13 is connected with blow-off pipe 15.
Portable gas skirt 1 is identical with flushing cinder pond size, is to be formed by shaped steel and Plate Welding, and bottom is rectangle, and top is taper, and air outlet is located at topmost.
Described mobile blast pipe 5 adopts Rubber end with fixing blast pipe 6 lap-joints.
A method for liquid slag shrend process waste gas collection and treatment, is characterized in that:
The step of the method is as follows:
First, portable gas skirt 1 is covered directly over flushing cinder pond accurately, mobile blast pipe 5 overlaps closely sealed with fixing blast pipe 6;
Then, temperature is got rid of in smelting furnace the liquid slag of 1000 ℃, liquid slag enters flushing cinder pond by cinder-flushing groove, at flushing cinder a large amount of waste gas of instantaneous generation in this, waste gas is moved formula gas skirt 1 and collects, then pass through mobile blast pipe 5, fixing blast pipe 6, when the fixing blast pipe 6 of waste gas process, spiral atomizer 7 sprays atomized water to the waste gas coagulation of lowering the temperature, mixed waste gas is admitted to washing blower fan 8, the processing of lowering the temperature, with 30m/s flow velocity, enter aqueous vapor cylinder 13 afterwards, under the effect of centrifugal force, condensed water and dust move downward along barrel, carry out isolation of purified, pure air after purification is emptying by aiutage 14, and condensed water and dust discharge through cylinder body bottom blow-off pipe 15, and the sewage of separating is sent in depositing reservoir and clarified, and then carry out secondary utilization,
Finally, when slag is enough, portable gas skirt 1 parallel in setting regions, catches the slag in flushing cinder pond, and mobile blast pipe 5 is disconnected by lap-joint automatically, with portable gas skirt 1, to respective direction, moves; After grabbing slag, portable gas skirt 1 and mobile blast pipe 5 reset, and mobile blast pipe 5 lap-joints are closely sealed.
Claims (5)
1. the device of liquid slag shrend process waste gas collection and treatment, comprise portable gas skirt (1), be fixed on the washing blower fan (8) in frame, the aqueous vapor cylinder (13) being connected with washing blower fan (8), it is characterized in that: at portable gas skirt (1) two ends, cover body outer setting has four road wheels (2), it is upper that road wheel (2) is placed in track (4), and electrical walking device (3) is connected with one end road wheel (2); Mobile blast pipe (5) is fixed on portable gas skirt (1) end face, and one end is connected with the air outlet of portable gas skirt (1), the other end and fixing blast pipe (6) overlap joint; Fixing blast pipe (6) one end and mobile blast pipe (5) overlap joint, the other end is connected with washing blower fan (8); Spiral atomizer (7) is fixed on fixing blast pipe (6) near washing blower fan (8) one end, and stretches into fixing blast pipe (6) inside center position, and spout is aimed at washing blower fan (8) air inlet end face; It is upper that washing blower fan (8) is packed in frame (11), and air inlet is connected with fixing blast pipe (6), and air outlet is connected by connecting pipe (12) with the air inlet of aqueous vapor cylinder (13); It is upper that bearing housing (9) is packed in frame (11), is provided with one by the bearings axle shared with washing blower fan (8) in bearing housing; It is upper that motor (10) is packed in frame (11), by the axle in bearing housing, drives washing blower fan (8); The air outlet of aqueous vapor cylinder (13) is connected with aiutage (14), and the sewage mouth of aqueous vapor cylinder (13) is connected with blow-off pipe (15).
2. the device of liquid slag shrend process waste gas according to claim 1 collection and treatment, it is characterized in that: portable gas skirt (1) is identical with flushing cinder pond size, is to be formed by shaped steel and Plate Welding, and bottom is rectangle, top is taper, and air outlet is located at topmost.
3. the device of liquid slag shrend process waste gas according to claim 1 collection and treatment, it is characterized in that: aqueous vapor cylinder (13) is the cylindrical shell that steel plate or composite board material are made, its top is cylindrical shape, bottom is cone, in top cylindrical shell one side, be provided with air inlet, top at top cylindrical shell is provided with air outlet, and the bottom of cone is provided with sewage mouth.
4. the device of liquid slag shrend process waste gas according to claim 1 collection and treatment, is characterized in that: described mobile blast pipe (5) adopts Rubber end with fixing blast pipe (6) lap-joint.
5. one kind is utilized the device of liquid slag shrend process waste gas as claimed in claim 1 collection and treatment to carry out
The method of liquid slag shrend process waste gas collection and treatment, is characterized in that: the step of the method is as follows:
First, portable gas skirt (1) is covered directly over flushing cinder pond accurately, mobile blast pipe (5) overlaps closely sealed with fixing blast pipe (6);
Then, temperature is got rid of in smelting furnace the liquid slag of 1000 ℃, liquid slag enters flushing cinder pond by cinder-flushing groove, at flushing cinder a large amount of waste gas of instantaneous generation in this, waste gas is moved formula gas skirt (1) and collects, then pass through mobile blast pipe (5), fixing blast pipe (6), when the fixing blast pipe (6) of waste gas process, spiral atomizer (7) ejection atomized water is to the waste gas coagulation of lowering the temperature, mixed waste gas is admitted to washing blower fan (8), the processing of lowering the temperature, with 30m/s flow velocity, enter aqueous vapor cylinder (13) afterwards, under the effect of centrifugal force, condensed water and dust move downward along barrel, carry out isolation of purified, pure air after purification is emptying by aiutage (14), and condensed water and dust, through cylinder body bottom blow-off pipe (15) discharge, are sent into the sewage of separating in depositing reservoir and clarified, and then carry out secondary utilization,
Finally, when slag is enough, portable gas skirt (1) parallel in setting regions, catches the slag in flushing cinder pond, and mobile blast pipe (5) is disconnected by lap-joint automatically, with portable gas skirt (1), to respective direction, moves; After grabbing slag, portable gas skirt (1) and mobile blast pipe (5) reset, and mobile blast pipe (5) lap-joint is closely sealed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110273377.0A CN102350142B (en) | 2011-09-15 | 2011-09-15 | Device and method for collecting waste gas during water quenching of liquid slag |
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| CN201110273377.0A CN102350142B (en) | 2011-09-15 | 2011-09-15 | Device and method for collecting waste gas during water quenching of liquid slag |
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| CN102350142A CN102350142A (en) | 2012-02-15 |
| CN102350142B true CN102350142B (en) | 2014-04-30 |
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| CN102764752A (en) * | 2012-07-03 | 2012-11-07 | 安徽浙泰不锈钢集团有限公司 | Flue gas collecting device |
| CN104190684A (en) * | 2014-08-27 | 2014-12-10 | 吴中区横泾博尔机械厂 | Air draft and exhaust system of full-automatic cleaning machine of display screen light emitting panel |
| CN105798281B (en) * | 2016-05-25 | 2017-11-10 | 湖南省金润碲业有限公司 | A kind of portable waste gas collection device during metal molten |
| CN109530134A (en) * | 2018-11-20 | 2019-03-29 | 马美香 | A kind of coal mine spraying wind leaking stoppage macromolecule sprayed on material jet printing protecting device |
| CN111693652B (en) * | 2020-06-23 | 2022-07-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Analysis method and treatment system for chlorine-containing waste gas generated by high-temperature water quenching of chlorination slag |
| CN114109325B (en) * | 2021-11-22 | 2023-05-16 | 西南石油大学 | Gas well gas-increasing and gas-lifting speed-increasing and water atomization device |
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| CN1250750C (en) * | 2002-10-24 | 2006-04-12 | 上海交通大学 | Periodical stepped quenching cooling equipment |
| CN1239717C (en) * | 2003-12-30 | 2006-02-01 | 上海交通大学 | Controlled cooling equipment of immersion and spray quenching combined quench-hardening |
| US8132427B2 (en) * | 2009-05-15 | 2012-03-13 | Corning Incorporated | Preventing gas from occupying a spray nozzle used in a process of scoring a hot glass sheet |
| CN201470662U (en) * | 2009-09-03 | 2010-05-19 | 中冶建筑研究总院有限公司 | Multi-station movable type steam exhaust dust-removing device |
| CN101983784B (en) * | 2010-12-04 | 2013-04-17 | 交城义望铁合金有限责任公司 | Manganese ferroalloy finery vehicle type folding smoke helmet |
| CN202343049U (en) * | 2011-09-15 | 2012-07-25 | 河南豫光金铅股份有限公司 | Device for collecting and processing waste gas generated in liquid-state slag water-quenching process |
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