CN203904261U - Ammonia water-coal gas coke quenching equipment - Google Patents
Ammonia water-coal gas coke quenching equipment Download PDFInfo
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- CN203904261U CN203904261U CN201420289038.0U CN201420289038U CN203904261U CN 203904261 U CN203904261 U CN 203904261U CN 201420289038 U CN201420289038 U CN 201420289038U CN 203904261 U CN203904261 U CN 203904261U
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- coke
- quenching
- coal gas
- ammoniacal liquor
- coke quenching
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Abstract
The utility model provides ammonia water-coal gas coke quenching equipment comprising a coke quenching furnace, a heat exchanger, a secondary dust collector and a pressurization fan, wherein the gas outlet of the coke quenching furnace is connected with the heat exchanger and then is communicated with the secondary dust collector; the gas outlet of the secondary dust collector is connected with the pressurization fan and then is communicated with a heat exchange medium inlet of the coke quenching furnace; the heat exchange medium inlet of the coke quenching furnace is also connected with a cold coal gas supplement pipeline and an ammonia water pipeline; a pressure nozzle is arranged on the ammonia water pipeline, and then the ammonia water pipeline is communicated with an ammonia water tank. On the one hand, coal gas and ammonia water generated by coal dry distillation are used as a heat exchange medium to be applied to a semi-coke quenching process, and compared with a conventional wet-process coke quenching process, the water consumption can be saved, the generation of a great number of semi-coke wastewater can be avoided, the sensible heat recovery rate of semi-coke can be increased, the water content of the semi-coke can be reduced, and the semi-coke strength can be improved; on the other hand, dry distillation flue gas is introduced to the coke quenching furnace again as a coke quenching medium, and compared with conventional dry-process coke quenching, the cost can be greatly reduced, and the influences to the quality of the semi-coke can not be caused.
Description
Technical field
The utility model belongs to technical field of coal chemical industry, relates to a kind of destructive distillation quenching, is specifically related to a kind of ammoniacal liquor-coal gas coke quenching auxiliary.
Background technology
The blue charcoal waste water that Lan Tan enterprise produces in wet quenching process, there is complicated component, pollutant kind is various, Pollutant levels are high and be difficult to the characteristics such as removal, also do not have at present the ripe experience for blue charcoal wastewater treatment to use for reference, and do not have can industrial applications blue charcoal wastewater treatment example.
In dry distillation of coal process, general employing be take the internal heat type destructive distillation that air is fuel, so the coal gas that Lan Tan enterprise produces, a nitrogen content is very high.At present different according to the composition of coal gas, be mainly used in industrial chemicals, green generating or burn emptyingly, the energy utilization rate of coal gas is low.
Therefore, be badly in need of at present a kind of extinguishing technique, what can effectively solve problem that a large amount of blue charcoal waste water that produces in wet quenching process cannot process and dry distillation of coal coal gas efficiently utilizes problem.
Utility model content
The purpose of this utility model is to overcome prior art defect, a kind of ammoniacal liquor-coal gas coke quenching auxiliary is provided, the ammoniacal liquor that Jiang Lan charcoal enterprise produces and dry distillation of coal flue gas, as quenching medium, solve original wet quenching technique and produce wastewater flow rate greatly and the low problem of dry distillation of coal coal gas utilising efficiency.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of ammoniacal liquor-coal gas coke quenching auxiliary, comprise quenching stove, heat exchanger, secondary filter and booster fan, after connecting heat exchanger, the outlet of quenching furnace gases is communicated with secondary filter, secondary filter pneumatic outlet is communicated with quenching stove heat transferring medium entrance after connecting booster fan, described quenching stove heat transferring medium entrance is also connected with cooled coal gas and supplements pipeline and ammoniacal liquor pipeline, after described ammoniacal liquor pipeline setting pressure nozzle, is communicated with ammoniacal liquor pond.
Described quenching stove heat transferring medium entrance is arranged at quenching furnace bottom, and heat transferring medium entrance top is provided with gas distribution plate, offers qi-emitting hole on spreader plate.
Described quenching furnace gases outlet is arranged at quenching stove top, and in quenching stove, pneumatic outlet position is provided with fly-ash separator.
Described quenching stove heat transferring medium entrance is three-port structure, and threeway outlet is communicated with quenching stove, and booster fan and cooled coal gas are communicated with threeway one entrance after supplementing pipeline connection, another entrance of threeway and ammoniacal liquor pipeline connection.
Described quenching oven coke entrance is positioned at quenching furnace roof portion, is provided with buffer bedly between quenching oven coke entrance and heat transferring medium entrance, and coke carries out heat exchange at buffer bed place and ammoniacal liquor-coal gas.
Described cooled coal gas supplements pipeline and is communicated with coal carbonization furnace gas exit.
The coal gas that the utility model produces coal destructive distillation and ammoniacal liquor are used for blue charcoal extinguishing technique as heat transferring medium, compare conventional wet extinguishing technique, reduce water consumption, avoid producing a large amount of blue charcoal waste water, the sensible heat rate of recovery of blue charcoal increases, makes reduced water content, the semicoke intensity in semicoke to improve; On the other hand, destructive distillation flue gas is introduced to quenching stove again as quenching medium, compare with conventional dry quenching, cost reduces greatly, and on the not impact of the quality of blue charcoal, this device is not limited to the quenching of Lan Tan enterprise, can be widely used in similar enterprise.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model ammoniacal liquor-coal gas coke quenching auxiliary;
Fig. 2 is the connection diagram of ammoniacal liquor-coal gas coke quenching auxiliary and gas retort;
Wherein: 1-ammoniacal liquor pond; 2-pressure nozzle; 3-quenching stove; 4-fly-ash separator; 5-is buffer bed; 6-ammoniacal liquor, gas entry; 7-qi-emitting hole; 8-coke discharging mouth; 9-heat exchanger; 10-secondary filter; 11-booster fan; 12-cooled coal gas supplements entrance; 13-aerosol gas mixture; 14-coke entrance; 15-gas retort; 16-electrical tar precipitator.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, ammoniacal liquor-coal gas coke quenching auxiliary of the present utility model comprises quenching stove 3, heat exchanger 9, secondary filter 10 and booster fan 11, after connecting heat exchanger 9, quenching stove 3 pneumatic outlets are communicated with secondary filter 10, after connecting booster fan 11, secondary filter 10 pneumatic outlets are communicated with quenching stove 3 heat transferring medium entrances, described quenching stove 3 heat transferring medium entrances are also connected with cooled coal gas and supplement pipeline and ammoniacal liquor pipeline, after described ammoniacal liquor pipeline setting pressure nozzle 2, are communicated with ammoniacal liquor pond 1; Described quenching stove 3 heat transferring medium entrances are arranged at quenching stove 3 bottoms, and heat transferring medium entrance top is provided with gas distribution plate, offers qi-emitting hole 7 on spreader plate.Described quenching stove 3 pneumatic outlets are arranged at quenching stove 3 tops, and in quenching stove 3, pneumatic outlet position is provided with fly-ash separator 4; Described quenching stove 3 coke entrances are positioned at quenching furnace roof portion, are provided with buffer bedly 5 between quenching stove 3 coke entrances and heat transferring medium entrance, and coke carries out heat exchange at buffer bed 5 places and ammoniacal liquor-coal gas.
Further, described quenching stove 3 heat transferring medium entrances are three-port structure, and threeway outlet is communicated with quenching stove, and booster fan 11 and cooled coal gas are communicated with threeway one entrance after supplementing pipeline connection, another entrance of threeway and ammoniacal liquor pipeline connection; Described cooled coal gas supplements pipeline and is communicated with coal carbonization furnace gas exit.
As shown in Figure 2, the idiographic flow of ammoniacal liquor-coal gas extinguishing technique is as follows:
The coal gas that in gas retort 15, the dry distillation of coal produces, after electrical tar precipitator 16 is by coal tar separation, collecting, is processed and is obtained the coal gas of specified pressure and traffic requirement through the heat transferring medium entrance of the bottom of the supplementary entrance 12 arrival coke quenching towers of cooled coal gas through booster fan 11; Meanwhile, the ammoniacal liquor in ammoniacal liquor pond 1, after pressure nozzle 2 pressurization, forms vaporific ammoniacal liquor and arrives at heat transferring medium entrance and form aerosol gas mixture 13 with coal gas, then passes through ammoniacal liquor, gas entry 6, becomes ammoniacal liquor-coal gas quenching medium and enters quenching stove 3 and carry out quenching.The spreader plate that ammoniacal liquor-coal gas quenching medium arranges through heat transferring medium entrance top, on spreader plate, offer qi-emitting hole 7 evenly enter quenching stove from the bottom to top with hot coke contact heat-exchanging.
Quenching stove 3 coke entrances are positioned at quenching furnace roof portion, between quenching stove 3 coke entrances and heat transferring medium entrance, be provided with buffer bed 5, hot coke enters from coke quenching tower 3 coke ingress, upper end 14, and rely on gravity descending after buffer bed 5 shock absorption, carry out heat exchange with the ammoniacal liquor-coal gas rising.
Quenching stove 3 pneumatic outlets are arranged at quenching stove 3 tops, in quenching stove 3, pneumatic outlet position is provided with fly-ash separator 4, ammoniacal liquor-coal gas is after the coke heat exchange with hot, can carry dust and upwards march to fly-ash separator 4 rough dustings, then entering heat exchanger 9, to carry out heat exchange cooling, enter secondary filter 10 again and carry out final dusting, the ammoniacal liquor-coal gas that reaches specified requirement after cooling and purifying again enters quenching stove and recycles after booster fan 11 afterwards.
Red-hot coke and the heat exchange of ammoniacal liquor-coal gas cooling, cooled blue charcoal can be discharged from the coke discharging mouth 8 of the bottom of quenching stove.
The utility model has avoided outside water vapour to enter low-temperature pyrolysis stove, reduces water-gas reaction.Meanwhile, semi-coke yield is improved, substantially suitable with existing process gas internal circulating load, can guarantee gas retort internal gas distributional stability and gas retort direct motion.
Compare traditional extinguishing technique, the utlity model has following characteristics:
(1) compare wet quenching technique, greatly saving water resource;
(2) whole quench system has realized hermetically sealedly, has avoided leaking of ammoniacal liquor-coal gas;
(3) coal gas producing after quenching is not understood outer row, and the coal gas that look is produced in destructive distillation is for quenching medium, has reduced topsoil, and thermal waste reduces;
(4) added distribution device, quenching medium can evenly be entered, control gas time and tolerance are stable;
(5) ammoniacal liquor-coal gas extinguishing technique belongs to the system of dry quenching(of coke) actually, and quenching is effective;
(6) can realize continuity work, economic performance is good;
(7) intensity of coke and quality are obvious than wet quenching superiority;
(8) in general, this extinguishing technique is the system that a resource and heat energy are all fully used;
(9) from the inside, ammoniacal liquor pond ammoniacal liquor out, need to become vaporific ammoniacal liquor through pressure nozzle, then enter quenching stove, larger with coke contact area, submit heat exchanger effectiveness to;
(10) after coal gas, collecting separated through coal tar, can reach good cooling and then and vaporific ammoniacal liquor be mixed into quenching stove and carry out quenching, large with the coke temperature difference, coke cooling-down effect is obvious;
(11) coke carries out reverse contact STRENGTH ON COKE and carries out cooling quenching, and because the temperature head of coke and quenching medium is large and be reverse contact, heat exchange is that quenching successful improves.
Claims (6)
1. ammoniacal liquor-coal gas coke quenching auxiliary, it is characterized in that: comprise quenching stove (3), heat exchanger (9), secondary filter (10) and booster fan (11), quenching stove (3) pneumatic outlet is communicated with secondary filter (10) after connecting heat exchanger (9), secondary filter (10) pneumatic outlet is communicated with quenching stove (3) heat transferring medium entrance after connecting booster fan (11), described quenching stove (3) heat transferring medium entrance is also connected with cooled coal gas and supplements pipeline and ammoniacal liquor pipeline, after described ammoniacal liquor pipeline setting pressure nozzle (2), is communicated with ammoniacal liquor pond (1).
2. ammoniacal liquor-coal gas coke quenching auxiliary according to claim 1, it is characterized in that: described quenching stove (3) heat transferring medium entrance is arranged at quenching stove (3) bottom, heat transferring medium entrance top is provided with gas distribution plate, offers qi-emitting hole (7) on spreader plate.
3. ammoniacal liquor-coal gas coke quenching auxiliary according to claim 1 and 2, is characterized in that: described quenching stove (3) pneumatic outlet is arranged at quenching stove (3) top, and in quenching stove (3), pneumatic outlet position is provided with fly-ash separator (4).
4. ammoniacal liquor-coal gas coke quenching auxiliary according to claim 1 and 2, it is characterized in that: described quenching stove (3) heat transferring medium entrance is three-port structure, threeway outlet is communicated with quenching stove, booster fan (11) and cooled coal gas are communicated with threeway one entrance after supplementing pipeline connection, another entrance of threeway and ammoniacal liquor pipeline connection.
5. ammoniacal liquor-coal gas coke quenching auxiliary according to claim 1 and 2, it is characterized in that: described quenching stove (3) coke entrance is positioned at quenching furnace roof portion, between quenching stove (3) coke entrance and heat transferring medium entrance, be provided with buffer bed (5), coke is located to carry out heat exchange with ammoniacal liquor-coal gas in buffer bed (5).
6. ammoniacal liquor-coal gas coke quenching auxiliary according to claim 1 and 2, is characterized in that: described cooled coal gas supplements pipeline and is communicated with coal carbonization furnace gas exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289038.0U CN203904261U (en) | 2014-05-30 | 2014-05-30 | Ammonia water-coal gas coke quenching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289038.0U CN203904261U (en) | 2014-05-30 | 2014-05-30 | Ammonia water-coal gas coke quenching equipment |
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| CN203904261U true CN203904261U (en) | 2014-10-29 |
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| CN201420289038.0U Expired - Fee Related CN203904261U (en) | 2014-05-30 | 2014-05-30 | Ammonia water-coal gas coke quenching equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105695018A (en) * | 2016-03-29 | 2016-06-22 | 黄河三角洲京博化工研究院有限公司 | Additive for liquefied gas mercaptan removal and application method thereof |
| CN108559529A (en) * | 2018-04-25 | 2018-09-21 | 榆林学院 | A kind of environmental protection and energy saving coking plant and its working method |
| CN108611106A (en) * | 2018-04-25 | 2018-10-02 | 榆林学院 | A kind of New Type Coke stove based on Dry Quenching |
| CN110205146A (en) * | 2018-05-30 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of steam pressure quenching system and method |
| CN111018216A (en) * | 2019-11-26 | 2020-04-17 | 陕西北元化工集团股份有限公司 | Treatment process and treatment device for residual ammonia water |
-
2014
- 2014-05-30 CN CN201420289038.0U patent/CN203904261U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105695018A (en) * | 2016-03-29 | 2016-06-22 | 黄河三角洲京博化工研究院有限公司 | Additive for liquefied gas mercaptan removal and application method thereof |
| CN105695018B (en) * | 2016-03-29 | 2019-02-15 | 黄河三角洲京博化工研究院有限公司 | A kind of additive and its application method of liquid gas sweetening |
| CN108559529A (en) * | 2018-04-25 | 2018-09-21 | 榆林学院 | A kind of environmental protection and energy saving coking plant and its working method |
| CN108611106A (en) * | 2018-04-25 | 2018-10-02 | 榆林学院 | A kind of New Type Coke stove based on Dry Quenching |
| CN110205146A (en) * | 2018-05-30 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of steam pressure quenching system and method |
| CN111018216A (en) * | 2019-11-26 | 2020-04-17 | 陕西北元化工集团股份有限公司 | Treatment process and treatment device for residual ammonia water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170530 |