CN205412532U - High -efficient spray evaporation cooling and purification device - Google Patents
High -efficient spray evaporation cooling and purification device Download PDFInfo
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- CN205412532U CN205412532U CN201520946565.9U CN201520946565U CN205412532U CN 205412532 U CN205412532 U CN 205412532U CN 201520946565 U CN201520946565 U CN 201520946565U CN 205412532 U CN205412532 U CN 205412532U
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Abstract
The utility model discloses a high -efficient spray evaporation cooling and purification device. The device includes equipment body, water supply parts, atomizing parts, air feed parts, defeated grey parts, electrically controllable component, temperature control part, flue gas entry, exhanst gas outlet, the atomizing part is located the upper portion of equipment body, and fails the lower part that grey part is located the equipment body, water supply parts and air feed parts set up respectively in the lower part side of atomizing parts, electrically controllable component sets up in the right side of water supply part, temperature control part sets up in the upper end of atomizing part, and the flue gas entry sets up in the upper end of atomizing part department of central authorities, and the exhanst gas outlet sets up in the lower part side of equipment body. The utility model provides a technical scheme can reduce the flue -gas temperature and reach certain dust collection efficiency in the short time, reduce the subsequent handling load, has the significance to energy saving and emission reduction, and is very practical, especially practical and the current converter with a system use of once removing dust, and area is little, the transformation is efficient.
Description
Technical field
This utility model relates to the high-temperature flue gas cooling of pyrometallurgical smelting industry, field of purification, particularly relates to the cooling of a kind of converter gas, cleaning system.
Background technology
In smelting industry, pneumatic steelmaking can produce a large amount of flue gas.The temperature of these flue gases may be up to 1450-1600 DEG C, containing substantial amounts of sensible heat；The dustiness of flue gas may be up to 150g/m3, smelting middle and late stage, in flue gas, the content of CO is up to more than 50%, it might even be possible to reach 80%.As being allowed to diffuse, it will the environment of sq-kms hundreds of around factory is caused severe contamination, thus must be designed with the flue gas cooling of effect, cleaning system.
Two kinds of dedusting methods, dry method dust and wet dedusting is mainly had in terms of gas cleaning of converter.The tower literary composition wet method dedusting system that wet method dedusting system is made up of scrubbing tower+Venturi tube+dehydrator, increase between existing environmental protection pressure, some producers increase one-level scrubbing tower before tower and Venturi system, to reach lower discharge standard, but so can increase a lot of turbid circulating water consumption.Some steel mills are due to each dilatation, and water treatment system does not change, dedusting turbid circulating water total amount relative shortage.In this case, a kind of water-saving device of research is imperative.
Because above-mentioned situation, the present inventor is based on being engaged in the practical experience and Professional knowledge that metallurgy industry energy saving environmental protection product manufactures and designs, operational management is enriched for many years, and coordinate the utilization of scientific principle, and the most in addition research and innovation, evaporate cooling purifying device to founding the efficient spray of a kind of new structure.Improve heat exchanger effectiveness, reduce cooling water usage amount, and there is the most preliminary gas cleaning ability.
Summary of the invention
Main purpose of the present utility model is to provide a kind of efficient spray evaporation cooling purifying device, solving steel mill wet method dedusting system is to reach relatively low discharge standard, when increasing primary dust removing equipment, and in the case of dedusting turbid circulating water insufficient total amount, reach identical effect in the less water yield of use.Flue-gas temperature can be reduced at short notice and reach certain efficiency of dust collection, reducing subsequent handling load, significant to energy-saving and emission-reduction, very useful, the most practical with existing once dust collection of converter system with the use of, floor space is little, transformation efficiency is high.
The purpose of this utility model and solve it and technical problem is that and realize by the following technical solutions.
A kind of efficient spray evaporation cooling purifying device that the utility model proposes, comprising: apparatus body 1, water supply component 2, atomization member 3, air supply part 4, defeated ash parts 5, electric-controlled parts 6, temperature-controlled member 7, smoke inlet A, exhanst gas outlet B；Wherein said atomization member 3 is positioned at the top of apparatus body 1, and defeated ash parts 5 are positioned at the bottom of apparatus body 1, described water supply component 2 and air supply part 4 are respectively arranged at the lower side of atomization member 3, described electric-controlled parts 6 is arranged at the right side of water supply component 2, described temperature-controlled member 7 is arranged at the upper end of atomization member 3, smoke inlet A is arranged at the upper-center of atomization member 3, and exhanst gas outlet B is arranged at the lower side of apparatus body 1.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Aforesaid efficient spray evaporation cooling purifying device, described atomization member 3 uses twin structure.
Aforesaid efficient spray evaporation cooling purifying device, described water supply component 2 includes water feed inlet C, filter 21, effusion meter 22, electrical ball valve 23, regulation valve 24, pressure transmitter 25, Pressure gauge 26；Described water feed inlet C is sequentially connected with filter 21, effusion meter 22, electrical ball valve 23, regulation valve 24, pressure transmitter 25, Pressure gauge 26, and described Pressure gauge 26 connects described atomization member 3.
Aforesaid efficient spray evaporation cooling purifying device, described defeated ash parts 5 include arranging the first push-pull valve 51, unloading valve 52, level-sensing device 53, ash silo the 54, second push-pull valve 55, dust outlet D the most from top to bottom；The bottom of described apparatus body 1 connects the first push-pull valve 51, described first push-pull valve 51 connects unloading valve 52, and described unloading valve 52 connects ash silo 54, and described level-sensing device 53 is arranged at the middle and upper part of ash silo 17, described ash silo 54 connects the second push-pull valve 55, and described second push-pull valve 55 connects dust outlet D.
Aforesaid efficient spray evaporation cooling purifying device, described temperature-controlled member 7 includes the first temperature sensor 71 and the second temperature sensor 72；Described first temperature sensor 71 is arranged at the side of smoke inlet A, and described second temperature sensor 72 is arranged at the side of exhanst gas outlet B.
The purpose of this utility model and solve its technical problem and realize the most by the following technical solutions.
nullThe using method of a kind of foregoing efficient spray evaporation cooling purifying device that the utility model proposes，This using method is that high-temperature dust-containing flue gas enters from the smoke inlet A of apparatus body 1，Flow out from exhanst gas outlet B again，Specifically when described high-temperature dust-containing flue gas flows through apparatus body 1，Controlled flow through the discharge of water supply component 2 and flow through the compressed steam flow of air supply part 4 by electric-controlled parts 6，Described high-temperature dust-containing flue gas is carried out quenched、Cooling、Purify，Then by temperature-controlled member 7, the flue-gas temperature of exhanst gas outlet B is detected，And feed back to electric-controlled parts 6，Flow through the discharge of water supply component 2 with regulation and flow through the compressed steam flow of air supply part 4，Described water supply component 2 can quickly respond electric-controlled parts 6 and instruct，Make the flue-gas temperature at exhanst gas outlet B stable，And the dust after described high-temperature dust-containing flue gas purifies removing is discharged from defeated ash parts 5.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
The using method of aforesaid efficient spray evaporation cooling purifying device, the temperature of the flue gas at described smoke inlet A is at 850-959 DEG C, and in flue gas, dust content is 80-150g/m3, described flue gas is after efficient spray evaporation cooling purifying device, and the temperature of the flue gas at exhanst gas outlet B is 200-250 DEG C, and in flue gas, dust content is 50-90g/m3, in flue gas, the particle of dust increases simultaneously, the operation of follow-up cleaner.
The using method of aforesaid efficient spray evaporation cooling purifying device, described atomization member 3 is jointly to be provided medium by water supply component 2 and air supply part 4, the medium that described air supply part 4 provides is compressed steam, the medium that described water supply component 2 provides is water, described water passes sequentially through water feed inlet C, filter 21, effusion meter 22, electrical ball valve 23, regulation valve 24, pressure transmitter 25, Pressure gauge 26, until by atomization member 3, the pressure proportioning being adjusted the pressure of described water and the pressure of described compressed steam is 1:1-1.5, the liquid-drop diameter that atomization member 3 is sprayed is 50-70 μm, reach rapid evaporation cooling and the purpose of purifying smoke.
The using method of aforesaid efficient spray evaporation cooling purifying device, by temperature-controlled member 7, the flue gas at exhanst gas outlet B is carried out temperature monitoring, regulation valve 24 in water supply component 2 is adjusted, controls the water yield so that at exhanst gas outlet B, the temperature of flue gas is 200-250 DEG C.
The using method of aforesaid efficient spray evaporation cooling purifying device, described dust is discharged from defeated ash parts 5 and specifically by unloading valve 52, the dust bottom described apparatus body 1 is drained into ash silo 54, when the Dust Capacity in ash silo 54 is stored into the position that level-sensing device 53 sets, described dust is discharged from dust outlet D.
By technique scheme, this utility model one efficient spray evaporation cooling purifying device at least has the following advantages effect:
This utility model uses evaporation endothermic and the principle of double medium atomization, by double medium spray guns, cooling medium is atomized to smaller particle, then optimizes spray gun layout so that cooling medium is sufficiently mixed with high-temperature flue gas, cooling medium is all evaporated, by near for high-temperature flue gas 200 DEG C.While evaporative cooling, atomized drop absorbs the fine particle dusts in high-temperature flue gas, and after drop evaporates completely, multiple fine particle dusts coacervating large particle parts settle, and are discharged by ash conveying device in the form of powder.Have not enough time to the dust of sedimentation, remove in follow-up dust arrester.Owing to dust is through cohesion, follow-up dust pelletizing system load reduction, higher efficiency can be reached.
(1), evaporation endothermic advantage
Aqueous water is in temperature-rise period, and the latent heat of vaporization is far longer than intensification heat absorption.
The heat of vaporization of water: 2260KJ/Kg；Specific heat of water holds: 4.2KJ/Kg；
At the same temperature, the heat that liquid evaporation of water absorbs is 538 times that temperature raises 1 DEG C of absorption heat.
Under the same conditions, evaporation and heat-exchange is more economized on water.
(2), double medium atomization advantages
This device uses steam atomization spray gun, has the advantage that
1, the steam that converter vaporization flue produces is used, cost-effective.
2, steam contains certain latent heat, can carry out quenched to the dust in flue gas.
3, steam atomization spray gun uses outer mixed form, and atomizing particle is thin, can improve the mixing homogeneity of cooling medium and high-temperature flue gas, improves heat exchange efficiency.
4, it is easy to regulation, prevents equipment scaling
(3) particle aggregation advantage
This device have employed particle aggregation technology, is settled by the fine particle dusts coacervating large particle in high-temperature flue gas, reduces the load of follow-up dust pelletizing system simultaneously.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, and in order to above and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model efficient spray evaporation cooling purifying device.
Fig. 2 is the structural representation of electric-controlled parts 6 of the present utility model.
[main element symbol description]
1: apparatus body 2: water supply component
3: atomization member 4: air supply part
5: defeated ash parts 6: electric-controlled parts
7: temperature-controlled member 21: filter
22: effusion meter 23: electrical ball valve
24: regulation valve 25: pressure transmitter
26: Pressure gauge 51: the first push-pull valve
52: unloading valve 53: level-sensing device
54: ash silo 55: the second push-pull valve
71: the first temperature sensor 72: the second temperature sensors
A: smoke inlet B: exhanst gas outlet
C: water feed inlet D: dust outlet
Detailed description of the invention
By further illustrating the technological means and effect that this utility model taked by reaching predetermined goal of the invention, below in conjunction with accompanying drawing and preferred embodiment, its detailed description of the invention of cooling purifying device, structure, feature and effect thereof is evaporated, after describing in detail such as to according to a kind of efficient spray that the utility model proposes.
The utility model proposes a kind of efficient spray evaporation cooling purifying device, comprising: apparatus body 1, water supply component 2, atomization member 3, air supply part 4, defeated ash parts 5, electric-controlled parts 6, temperature-controlled member 7, smoke inlet A, exhanst gas outlet B；Wherein said atomization member 3 is positioned at the top of apparatus body 1, and defeated ash parts 5 are positioned at the bottom of apparatus body 1, described water supply component 2 and air supply part 4 are respectively arranged at the lower side of atomization member 3, described electric-controlled parts 6 is arranged at the right side of water supply component 2, described temperature-controlled member 7 is arranged at the upper end of atomization member 3, smoke inlet A is arranged at the upper-center of atomization member 3, and exhanst gas outlet B is arranged at the lower side of apparatus body 1.
Described atomization member 3 uses twin structure.
Described water supply component 2 includes water feed inlet C, filter 21, effusion meter 22, electrical ball valve 23, regulation valve 24, pressure transmitter 25, Pressure gauge 26；Described water feed inlet C is sequentially connected with filter 21, effusion meter 22, electrical ball valve 23, regulation valve 24, pressure transmitter 25, Pressure gauge 26, and described Pressure gauge 26 connects described atomization member 3.
Described defeated ash parts 5 include arranging the first push-pull valve 51, unloading valve 52, level-sensing device 53, ash silo the 54, second push-pull valve 55, dust outlet D the most from top to bottom；The bottom of described apparatus body 1 connects the first push-pull valve 51, described first push-pull valve 51 connects unloading valve 52, and described unloading valve 52 connects ash silo 54, and described level-sensing device 53 is arranged at the middle and upper part of ash silo 17, described ash silo 54 connects the second push-pull valve 55, and described second push-pull valve 55 connects dust outlet D.
Described temperature-controlled member 7 includes the first temperature sensor 71 and the second temperature sensor 72；Described first temperature sensor 71 is arranged at the side of smoke inlet A, and described second temperature sensor 72 is arranged at the side of exhanst gas outlet B.
nullThis utility model also proposes the using method of a kind of foregoing efficient spray evaporation cooling purifying device，This using method is that high-temperature dust-containing flue gas enters from the smoke inlet A of apparatus body 1，Flow out from exhanst gas outlet B again，Specifically when described high-temperature dust-containing flue gas flows through apparatus body 1，Controlled flow through the discharge of water supply component 2 and flow through the compressed steam flow of air supply part 4 by electric-controlled parts 6，Described high-temperature dust-containing flue gas is carried out quenched、Cooling、Purify，Then by temperature-controlled member 7, the flue-gas temperature of exhanst gas outlet B is detected，And feed back to electric-controlled parts 6，Flow through the discharge of water supply component 2 with regulation and flow through the compressed steam flow of air supply part 4，Described water supply component 2 can quickly respond electric-controlled parts 6 and instruct，Make the flue-gas temperature at exhanst gas outlet B stable，And the dust after described high-temperature dust-containing flue gas purifies removing is discharged from defeated ash parts 5.
The temperature of the flue gas at described smoke inlet A is at 850-959 DEG C, and in flue gas, dust content is 80-150g/m3, described flue gas is after efficient spray evaporation cooling purifying device, and the temperature of the flue gas at exhanst gas outlet B is 200-250 DEG C, and in flue gas, dust content is 50-90g/m3, in flue gas, the particle of dust increases simultaneously, the operation of follow-up cleaner.
The preferred temperature of the flue gas at wherein said smoke inlet A is at 880-910 DEG C, and in flue gas, dust content is preferably 90-100g/m3, described flue gas is after efficient spray evaporation cooling purifying device, and the preferred temperature of the flue gas at exhanst gas outlet B is 220-230 DEG C.
The optimum temperature of the flue gas at wherein said smoke inlet A at 890 DEG C, dust content most preferably 95g/m in flue gas3, described flue gas is after efficient spray evaporation cooling purifying device, and the optimum temperature of the flue gas at exhanst gas outlet B is 225 DEG C.
Described atomization member 3 is jointly to be provided medium by water supply component 2 and air supply part 4, the medium that described air supply part 4 provides is compressed steam, the medium that described water supply component 2 provides is water, described water passes sequentially through water feed inlet C, filter 21, effusion meter 22, electrical ball valve 23, regulation valve 24, pressure transmitter 25, Pressure gauge 26, until by atomization member 3, the pressure proportioning being adjusted the pressure of described water and the pressure of described compressed steam is 1:1-1.5, the liquid-drop diameter that atomization member 3 is sprayed is 50-70 μm, reach rapid evaporation cooling and the purpose of purifying smoke.
Wherein said pressure proportioning is preferably 1:1.1-1.4, and the liquid-drop diameter of described atomization member 3 spraying is preferably 55-65 μm.
Wherein said pressure proportioning most preferably 1:1.2, the liquid-drop diameter most preferably 58-62 μm of described atomization member 3 spraying.
By temperature-controlled member 7, the flue gas at exhanst gas outlet B is carried out temperature monitoring, the regulation valve 24 in water supply component 2 is adjusted, control the water yield so that at exhanst gas outlet B, the temperature of flue gas is 200-250 DEG C.
At wherein said exhanst gas outlet B, the preferred temperature of flue gas is 215-235 DEG C.
At wherein said exhanst gas outlet B, the optimum temperature of flue gas is 220-230 DEG C.
Described dust is discharged from defeated ash parts 5 and specifically by unloading valve 52, the dust bottom described apparatus body 1 is drained into ash silo 54, and when the Dust Capacity in ash silo 54 is stored into the position that level-sensing device 53 sets, described dust is discharged from dust outlet D.
After efficient spray of the present utility model evaporation cooling purifying device is usually used in high-temperature flue outlet, the present embodiment, as a example by once dust collection of converter system, is below explained in detail.
Technological process:
Converter → gasification cooling flue → Non-Metallic Expansion Joints → efficient spray evaporation cooling purifying device → scrubbing tower → Venturi tube → dehydrator → blower fan → diffusing chimney.
Converter Oxigen Blowing decarburization produces a large amount of flue gases, and temperature reaches 1400～1600 DEG C, and after gasification cooling flue cools down, flue-gas temperature reaches 850～950 DEG C.Non-metal compensator connects gasification cooling flue and evaporates cooling purifying device with efficient spray, efficient spray evaporation cooling purifying device is disposed with double fluid atomizing lance, inspection manhole and relevant inspection platform, flue gas can be cooled to 200-250 DEG C by water droplets by it, and smoke content reduces nearly 40%.Injection flow rate accurately controls according to flue gas heat, it is ensured that the water jetted can evaporate completely, thus reaches the cooling to flue gas, and confluent only accounts for the 10% of conventional crude water for dust removal amount.Meanwhile, water droplets has dust and condenses function, can improve follow-up dust pelletizing system efficiency of dust collection.
Efficient spray evaporation cooling purifying device bottom arranges conical hopper, including the dust collection that can settle, and is put to ash silo storage by unloading valve, unloads ash and transport workshop to the conveying equipments such as automobile after arriving certain altitude.
Using steam as gas medium in atomization member, this medium contains certain sensible heat, at the initial stage of bessemerizing, during flue-gas temperature instability, can stablize flue-gas temperature, is unlikely to injection flow rate and causes greatly dust agglomerations in apparatus body.
In sum, this utility model is a kind of efficient spray evaporation cooling purifying device.This efficient spray evaporation cooling purifying device includes apparatus body, water supply component, atomization member, air supply part, defeated ash parts, electric-controlled parts, temperature-controlled member, smoke inlet, exhanst gas outlet；Described atomization member is positioned at the top of apparatus body, and defeated ash parts are positioned at the bottom of apparatus body, described water supply component and air supply part are respectively arranged at the lower side of atomization member, described electric-controlled parts is arranged at the right side of water supply component, described temperature-controlled member is arranged at the upper end of atomization member, smoke inlet is arranged at the upper-center of atomization member, and exhanst gas outlet is arranged at the lower side of apparatus body.The technical scheme that this utility model provides can reduce flue-gas temperature at short notice and reach certain efficiency of dust collection, reduce subsequent handling load, significant to energy-saving and emission-reduction, very useful, the most practical with existing once dust collection of converter system with the use of, floor space is little, transformation efficiency is high.
The above, it it is only preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, although this utility model is disclosed above with preferred embodiment, but it is not limited to this utility model, any those skilled in the art, in the range of without departing from technical solutions of the utility model, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is the content without departing from technical solutions of the utility model, any simple modification above example made according to technical spirit of the present utility model, equivalent variations and modification, all still fall within the range of technical solutions of the utility model.
Claims (5)
1. an efficient spray evaporation cooling purifying device, it is characterised in that including: apparatus body (1), water supply component (2), atomization member (3), air supply part (4), defeated ash parts (5), electric-controlled parts (6), temperature-controlled member (7), smoke inlet (A), exhanst gas outlet (B)；
Wherein said atomization member (3) is positioned at the top of apparatus body (1), and defeated ash parts (5) is positioned at the bottom of apparatus body (1), described water supply component (2) and air supply part (4) are respectively arranged at the lower side of atomization member (3), described electric-controlled parts (6) is arranged at the right side of water supply component (2), described temperature-controlled member (7) is arranged at the upper end of atomization member (3), smoke inlet (A) is arranged at the upper-center of atomization member (3), and exhanst gas outlet (B) is arranged at the lower side of apparatus body (1).
Efficient spray the most according to claim 1 evaporation cooling purifying device, it is characterised in that: described atomization member (3) uses twin structure.
Efficient spray the most according to claim 1 evaporation cooling purifying device, it is characterised in that: described water supply component (2) includes water feed inlet (C), filter (21), effusion meter (22), electrical ball valve (23), regulation valve (24), pressure transmitter (25), Pressure gauge (26)；
Described water feed inlet (C) is sequentially connected with filter (21), effusion meter (22), electrical ball valve (23), regulation valve (24), pressure transmitter (25), Pressure gauge (26), and described Pressure gauge (26) connects described atomization member (3).
Efficient spray the most according to claim 1 evaporation cooling purifying device, it is characterised in that: described defeated ash parts (5) includes arranging the first push-pull valve (51), unloading valve (52), level-sensing device (53), ash silo (54), the second push-pull valve (55), dust outlet (D) the most from top to bottom；
The bottom of described apparatus body (1) connects the first push-pull valve (51), described first push-pull valve (51) connects unloading valve (52), described unloading valve (52) connects ash silo (54), described level-sensing device (53) is arranged at the middle and upper part of ash silo (17), described ash silo (54) connects the second push-pull valve (55), and described second push-pull valve (55) connects dust outlet (D).
Efficient spray the most according to claim 1 evaporation cooling purifying device, it is characterised in that: described temperature-controlled member (7) includes the first temperature sensor (71) and the second temperature sensor (72)；Described first temperature sensor (71) is arranged at the side of smoke inlet (A), and described second temperature sensor (72) is arranged at the side of exhanst gas outlet (B).
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| CN201520946565.9U CN205412532U (en) | 2015-11-24 | 2015-11-24 | High -efficient spray evaporation cooling and purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731343A (en) * | 2015-11-24 | 2017-05-31 | 北京博鹏北科科技有限公司 | A kind of efficient spray evaporates cooling purifying device and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731343A (en) * | 2015-11-24 | 2017-05-31 | 北京博鹏北科科技有限公司 | A kind of efficient spray evaporates cooling purifying device and its application method |
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Granted publication date: 20160803 Termination date: 20181124 |