CN205308088U - Gas calcined lime kiln tail gas recycle device - Google Patents
Gas calcined lime kiln tail gas recycle device Download PDFInfo
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- CN205308088U CN205308088U CN201521135033.3U CN201521135033U CN205308088U CN 205308088 U CN205308088 U CN 205308088U CN 201521135033 U CN201521135033 U CN 201521135033U CN 205308088 U CN205308088 U CN 205308088U
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Abstract
The utility model relates to a lime production facility technical field especially relates to gas calcined lime kiln tail gas recycle device. The utility model provides a gas calcined lime kiln tail gas recycle device, including consecutive main draught fan, gas analysis appearance, the 2nd pipeline valve, cooling device, gas holder, compressor, gas holder and dust removal ash can group, the gas analysis appearance with be connected with the first valve that diffuses between the 2nd pipeline valve, the gas holder is connected with the second and diffuses the valve. Through the utility model provides a gas calcined lime kiln tail gas recycle device retrieves, is used for custody transfer carbide stove burner gas purification and dust removal ash after the cooling, pressure boost gas calcined lime kiln tail gas, makes the maximize utilization of energy resources, and avoiding the tradition in loading, roping and empty the in -process and produce the secondary raise dust, being favorable to the environmental protection, the security is high.
Description
Technical field
The utility model relates to lime generation equipment technical field, particularly relates to gas burning lime kiln tail gas recycling device.
Background technology
Current calcium carbide is produced and is belonged to highly energy-consuming, high pollution chemical industry industry. Calcium carbide furnace gas produces in calcium carbide process the by product produced, and often produces one ton of calcium carbide and produces 400Nm3Furnace gas, furnace gas temperature is 500～800 DEG C, top temperature up to 1000 DEG C, dust content 50-150g/Nm3. Furnace gas is through water cooled pipeline and cooled dust settling vessel, remove particulate matter big in furnace gas, furnace gas temperature drops within 500 DEG C, again through I and II air cooling cyclone, furnace gas temperature drops to about 250 DEG C, then enters sack cleaner, it is separated with furnace gas by the dust in strainer furnace gas, filter lower particle be collected after stored in grey tank, clean furnace gas is sent to gas burning kiln lime kilning or Chemicals are done in deep processing, reaches the object of comprehensive utilization of resources.
Clean calcium carbide stove exhaust provides heat in limestone kiln combustion, and calcined limestone produces unslaked lime, for the production of calcium carbide is supplied raw materials. Gas burning kiln produces a large amount of tail gas in process of production, and its main ingredient is carbonic acid gas and nitrogen, and its proximate analysis is such as subordinate list 1. During normal running, in tail gas, titanium dioxide content controls more than 19%; Oxygen control is 5～9%; Carbon monoxide controls experimentally to analyze within 1%, and qualified gas burning kiln tail gas does not support burning. Furnace of calcium carbide purifying and dedusting ash is superfine micro-particle suspensions that calcium carbide stove exhaust is discharged after purification dust removal system. Proportion is 0.3t/m3, carbon content 20～30%, CaO content 35-45%, particle diameter less than 10 microns particles more than 93%, entrucking, roping cross with toppling process in very easily produce reentrainment of dust;Banking process is easily caught fire, there is potential safety hazard. Along with the increasing of national environmental protection dynamics, sternly forbid that calcium carbide furnace gas dedusting ash produces reentrainment of dust contaminate environment in entrucking, roping machine toppling process.
Practical novel content
(1) technical problem solved
The technical problems to be solved in the utility model be solve calcium carbide in prior art produce entrucking, roping cross with toppling process in very easily produce reentrainment of dust, easily catch fire in banking process, there is the problem of potential safety hazard and highly energy-consuming, high pollution.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of gas burning lime kiln tail gas recycling device, comprise the main induced draft fan, gas analyzer, second pipe valve, refrigerating unit, gas holder, compressor, gas-holder and the dedusting ash tank group that are connected successively, being connected with first between described gas analyzer and described second pipe valve and diffuse valve, described gas holder is connected with the 2nd and diffuses valve.
Preferably, the first pipeline valve it is provided with between described main induced draft fan and described gas analyzer.
Preferably, it is provided with flow control valve between described compressor and described gas-holder.
Preferably, described dedusting ash tank group comprises the first dedusting ash tank, the 2nd dedusting ash tank and the 3rd dedusting ash tank that are connected successively.
Preferably, described refrigerating unit adopts forced air cooled tube.
(3) useful effect
Technique scheme tool of the present utility model has the following advantages: this application provides a kind of gas burning lime kiln tail gas recycling device, comprise the main induced draft fan, gas analyzer, second pipe valve, refrigerating unit, gas holder, compressor, gas-holder and the dedusting ash tank group that are connected successively, being connected with first between described gas analyzer and described second pipe valve and diffuse valve, described gas holder is connected with the 2nd and diffuses valve. The gas burning lime kiln tail gas recycling device provided by the utility model, gas burning lime kiln tail gas is reclaimed, lowers the temperature, after supercharging for custody transfer calcium carbide furnace gas dedusting ash, make the maximum using of Energy resources; And avoiding tradition to produce reentrainment of dust in entrucking, roping and toppling process, be conducive to protection of the environment, security height.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model gas burning lime kiln tail gas recycling device.
In figure: 1: main induced draft fan; 2: the first pipeline valves; 3: gas analyzer; Diffuse valve at 4: the first; 5: second pipe valve; 6: refrigerating unit; 7: the two diffuse valve; 8: gas holder; 9: compressor; 10: flow control valve; 11: gas-holder; 12: the first dedusting ash tanks; 13: the two dedusting ash tanks; 14: the three dedusting ash tanks.
Embodiment
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " " interior ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " outward " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model, in addition, term " first ", " the 2nd " are only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to particular case understands the concrete implication of above-mentioned term in the utility model. In addition, in description of the present utility model, unless otherwise explanation, the implication of " multiple " is two or more.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is part embodiment of the present utility model, instead of whole embodiments. Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As shown in Figure 1, the gas burning lime kiln tail gas recycling device that the utility model embodiment provides, comprise the main induced draft fan 1, gas analyzer 3, second pipe valve 5, refrigerating unit 6, gas holder 8, compressor 9, gas-holder 11 and the dedusting ash tank group that are connected successively, being connected with first between described gas analyzer 3 and described second pipe valve 5 and diffuse valve 4, described gas holder 8 is connected with the 2nd and diffuses valve 7.
Having added gas analyzer 3 in the present embodiment after main induced draft fan 1, the gas of process is carried out sampling analysis according to the specifications parameter of setting by described gas analyzer 3; In exhaust emissions process, the temperature of its tail gas is very high, if generally not carrying out cooling process, equipment and staff is all had certain dangerous, so this device is provided with refrigerating unit 6 before gas holder 8, to ensure the temperature guarantee of exhaust emissions; Described gas holder 8 and gas-holder 11 all have the function of stored gas and step-down, and tail gas is more concentrated when discharging, and the pressure produced is relatively high, if not carrying out step-down process, can there is certain danger.
Preferably, the first pipeline valve 2 it is provided with between described main induced draft fan 1 and described gas analyzer 3, it is the discharge in order to cut off tail gas in this object arranging the first pipeline valve 2, when equipment breaks down, the very first time cuts off the first pipeline valve 2, from the dismounting to follow-up component, concrete security preferably.
Preferably, being provided with flow control valve 10 between described compressor 9 and described gas-holder 11, described flow control valve 10 has Flow-rate adjustment effect, according to real work needs, can set, regulate the emission flow of tail gas, thus ensure speed and the amount of exhaust emissions.
Preferably, described dedusting ash tank group comprises the first dedusting ash tank 12, the 2nd dedusting ash tank 13 and the 3rd dedusting ash tank 14 that are connected successively, in the present embodiment, this device is provided with three dedusting ash tanks, but not representing three dedusting ash tanks is fixed value, the number of dedusting ash tank quantity determines according to the quantity of furnace of calcium carbide, and dedusting ash tank quantity is thought corresponding with the quantity of furnace of calcium carbide.
Preferably, described refrigerating unit 6 adopts forced air cooled tube, adopts forced air cooled tube that tail gas is carried out cooling process in the present embodiment.
During use, clean gas burning lime kiln tail gas diffuses valve 4 through first enter air through gas analyzer 3 on-line sampling analysis, the tail gas not meeted the requirements, and qualified tail gas enters recycling system through second pipe valve 5. First gas burning lime kiln tail gas enter gas holder 8 after apparatus for supercooling 6 is lowered the temperature and carry out voltage stabilizing storage, entering gas-holder 11 after utilizing compressor 9 to be pressurized to desirable pressure, the purifying and dedusting ash from the first dedusting ash tank 12, the 2nd dedusting ash tank 13, the 3rd dedusting ash tank 14 is transported to dedusting ash Treatment stations by the gas burning lime kiln waste gas utilization pressure itself cushioned through gas-holder 11. Whole dust removal of calcium carbide furnace delivery system is in enclosed space, there is not the dust raising phenomenon of dedusting ash in course of conveying; Owing to gas burning lime kiln tail gas is based on nitrogen and carbonic acid gas, reducing dedusting ash temperature in course of conveying, go out the Mars in dedusting ash simultaneously, reduces the potential safety hazard of dedusting ash easily combustion in banking process.
In sum, this application provides a kind of gas burning lime kiln tail gas recycling device, comprise the main induced draft fan 1, gas analyzer 3, second pipe valve 5, refrigerating unit 6, gas holder 8, compressor 9, gas-holder 11 and the dedusting ash tank group that are connected successively, being connected with first between described gas analyzer 3 and described second pipe valve 5 and diffuse valve 4, described gas holder 8 is connected with the 2nd and diffuses valve 7. The gas burning lime kiln tail gas recycling device provided by the utility model, gas burning lime kiln tail gas is reclaimed, lowers the temperature, after supercharging for custody transfer calcium carbide furnace gas dedusting ash, make the maximum using of Energy resources; And avoiding tradition to produce reentrainment of dust in entrucking, roping and toppling process, be conducive to protection of the environment, security height.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, it is not intended to limit; Although the utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein part technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the spirit and scope of the essence disengaging each embodiment technical scheme of the utility model of appropriate technical solution.
Claims (5)
1. a gas burning lime kiln tail gas recycling device, it is characterized in that: comprise the main induced draft fan (1), gas analyzer (3), second pipe valve (5), refrigerating unit (6), gas holder (8), compressor (9), gas-holder (11) and the dedusting ash tank group that are connected successively, being connected with first between described gas analyzer (3) and described second pipe valve (5) and diffuse valve (4), described gas holder (8) is connected with the 2nd and diffuses valve (7).
2. gas burning lime kiln tail gas recycling device according to claim 1, it is characterised in that: it is provided with the first pipeline valve (2) between described main induced draft fan (1) and described gas analyzer (3).
3. gas burning lime kiln tail gas recycling device according to claim 1, it is characterised in that: it is provided with flow control valve (10) between described compressor (9) and described gas-holder (11).
4. gas burning lime kiln tail gas recycling device according to claim 1, it is characterised in that: described dedusting ash tank group comprises the first dedusting ash tank (12), the 2nd dedusting ash tank (13) and the 3rd dedusting ash tank (14) that are connected successively.
5. gas burning lime kiln tail gas recycling device according to claim 1, it is characterised in that: described refrigerating unit (6) adopts forced air cooled tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135033.3U CN205308088U (en) | 2015-12-31 | 2015-12-31 | Gas calcined lime kiln tail gas recycle device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135033.3U CN205308088U (en) | 2015-12-31 | 2015-12-31 | Gas calcined lime kiln tail gas recycle device |
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| CN205308088U true CN205308088U (en) | 2016-06-15 |
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| CN201521135033.3U Active CN205308088U (en) | 2015-12-31 | 2015-12-31 | Gas calcined lime kiln tail gas recycle device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186065A (en) * | 2016-07-14 | 2016-12-07 | 攀钢集团攀枝花钢钒有限公司 | Ammonium poly-vanadate reduction kiln tail gas recycle processing system |
| CN108548423A (en) * | 2018-04-25 | 2018-09-18 | 河北惟新科技有限公司 | A kind of ITO target sintering furnace using system with circulating oxygen |
| CN113975964A (en) * | 2021-11-05 | 2022-01-28 | 内蒙古君正化工有限责任公司 | Tail gas circulating equipment of sleeve lime kiln |
-
2015
- 2015-12-31 CN CN201521135033.3U patent/CN205308088U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186065A (en) * | 2016-07-14 | 2016-12-07 | 攀钢集团攀枝花钢钒有限公司 | Ammonium poly-vanadate reduction kiln tail gas recycle processing system |
| CN108548423A (en) * | 2018-04-25 | 2018-09-18 | 河北惟新科技有限公司 | A kind of ITO target sintering furnace using system with circulating oxygen |
| CN113975964A (en) * | 2021-11-05 | 2022-01-28 | 内蒙古君正化工有限责任公司 | Tail gas circulating equipment of sleeve lime kiln |
| CN113975964B (en) * | 2021-11-05 | 2023-12-22 | 内蒙古君正化工有限责任公司 | Tail gas circulation equipment of sleeve lime kiln |
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Address after: Qipanjing Town Industrial Park of the Inner Mongolia Autonomous Region city Etuokeqi 016064 Ordos Patentee after: Inner Mongolia Ordos Power Metallurgical Group Limited by Share Ltd chlor alkali chemical branch Address before: Qipanjing town industrial park the Inner Mongolia Autonomous Region city Inner Mongolia Ordos Erdos 016064 Etuokeqi power metallurgical Limited by Share Ltd chlor alkali chemical branch Patentee before: Chemical industry for making chlorine and alkali branch company of the metallurgical limited company of Ordos, inner Mongolia electric power |