CN204485533U - A kind of coal substance decomposition oil gas cleaner - Google Patents

A kind of coal substance decomposition oil gas cleaner Download PDF

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Publication number
CN204485533U
CN204485533U CN201520116760.9U CN201520116760U CN204485533U CN 204485533 U CN204485533 U CN 204485533U CN 201520116760 U CN201520116760 U CN 201520116760U CN 204485533 U CN204485533 U CN 204485533U
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China
Prior art keywords
coal
oil gas
sieve plate
cylindrical shell
coal particle
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Withdrawn - After Issue
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CN201520116760.9U
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Chinese (zh)
Inventor
朱书成
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Henan Longcheng Coal Efficient Technology Application Co Ltd
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Henan Longcheng Coal Efficient Technology Application Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals

Abstract

The utility model provides a kind of coal substance decomposition oil gas cleaner, the coal powder conveyer structure comprising coal decomposing equipment and be connected with coal decomposing equipment, described coal powder conveyer structure is provided with the cylindrical shell be communicated with it, described cylindrical shell top is provided with the oil gas output mechanism be communicated with it, described cylindrical shell top is provided with the coal particle storage bin be communicated with it, and described coal particle storage bin bottom is provided with gate valve.Not only heat utilization efficiency is high for this equipment, economize energy, and does not need to add silica, alumina balls etc. as filtrate, and do not need to carry out filtered and recycled filtrate, without the need to carrying out preheating and heating to filtrate, save operation, efficiency of dust collection is high.

Description

A kind of coal substance decomposition oil gas cleaner
Technical field
The utility model belongs to technical field of coal chemical industry oil-containing gas high-temperature dust removal technical field, is specifically related to a kind of coal substance decomposition oil gas cleaner.
Background technology
Have three kinds of methods for a kind of raw coke oven gas dedusting at present, first method adopts knockdown cyclone separator, and separative efficiency is low, cannot be separated less than 5 μm coal dusts, produces a large amount of greasy filth and also cannot be separated; Second method is electric precipitation, and because the raw gas temperature containing tar is lower than tar condensation point meeting condensation, electric precipitation need at high temperature run, the high temperature corrosion of wire electrode cannot solve, and electric precipitation is due to bulky, tar overstand, second pyrolysis seriously can cause the yield of tar to decline; The third method is pottery, powdered-metal pipe automatic back blow filters, and under high temperature, raw coke oven gas makes pressure reduction constantly raise at tube-surface carbon distribution, and blowback cannot make filter cake come off, and causes device can not long-term operation.Grain bed deduster is generally using quartz sand, lime stone, compressing silica, alumina balls etc. as filtrate, quartz sand, lime stone, compressing silica, alumina balls etc. are as absorbing a large amount of heats after filtrate and hydrocarbons contact, cause heat loss, be unfavorable for the utilization of the energy.
CN203440329U discloses low temperature distillation coal gas catalytic pyrolysis and dust removal integrated system in one, comprise moving granular bed deduster and multiple metallic filter arranged side by side, described moving granular bed deduster take catalyst as filtrate, and top or the bottom of described moving granular bed deduster are connected by riser.Unsaturated vapor part is: 1) use catalyst as filtrate, make catalyst rise tar in the temperature of catalytic action and pyrolysis oil gas neither condensation the temperature of overheated coking can not there is contradiction again, thus the stable operation of device normal phase cannot be met.2) catalyst needs to reclaim, and needs preheating, and energy resource consumption is large, and complex procedures, dust removing effects is poor.
Utility model content
The utility model is for solving Problems existing in above-mentioned technique and method, propose a kind of coal substance decomposition oil gas cleaner, not only heat utilization efficiency is high for this equipment, economize energy, and do not need to add silica, alumina balls etc. as filtrate, do not need to carry out filtered and recycled filtrate, without the need to carrying out preheating and heating to filtrate, save operation, efficiency of dust collection is high.
A kind of coal substance decomposition oil gas cleaner, the coal powder conveyer structure comprising coal decomposing equipment and be connected with coal decomposing equipment, described coal powder conveyer structure is provided with the cylindrical shell be communicated with it, described cylindrical shell top is provided with the oil gas output mechanism be communicated with it, described cylindrical shell top is provided with the coal particle storage bin be communicated with it, and described coal particle storage bin bottom is provided with gate valve.
Described cylindrical shell endoparticle slow descending mechanism.
Described particle slow descending mechanism comprises the sieve plate being arranged at elasticity connection with it in cylindrical shell, and described sieve plate has vibrating motor.
Described sieve plate is provided with upper sieve plate by support.
The all sides of described upper sieve plate are provided with the infundibulate piston matched with cylinder inboard wall.
Through-hole diameter on described upper sieve plate and sieve plate is greater than the diameter of coal particle.
On described sieve plate, through hole vertical section is trapezium structure.
In described coal powder conveyer structure, lower end is provided with coal particle disintegrating mechanism.
Use the dust collection method of above-mentioned coal substance decomposition oil gas cleaner, comprise the following steps:
1) close the gate valve of coal particle storage bin bottom, coal particle storage bin is filled coal particle;
2) open gate valve, Vibration on Start-up motor and coal powder conveyer structure, coal particle is transported in coal decomposing equipment;
3) oil gas produced in coal decomposing equipment enters in cylindrical shell from coal powder conveyer structure, coal particle in coal particle storage bin drops on upper sieve plate and lower sieve plate, oil gas and coal particle fully contacted and on contact area large time of contact, coal particle is by the dust absorbing in oil gas, and clean oil gas is absorbed by the oil gas output mechanism on cylindrical shell top;
4) coal particle with dust is transported in coal decomposing equipment by coal powder conveyer structure, and coal particle obtains good waste heat in advance, can make full use of the energy on the one hand, and coal particle can reach required decomposition temperature fast on the other hand, and oil gas decomposition efficiency is high.
Coal decomposing equipment of the present utility model is connected with coal powder conveyer structure, described coal powder conveyer structure is provided with the cylindrical shell be communicated with it, described cylindrical shell top is provided with the oil gas output mechanism be communicated with it, described cylindrical shell top is provided with the coal particle storage bin be communicated with it, described coal particle storage bin bottom is provided with gate valve, gate valve plays blowing effect on the one hand, plays sealing function on the other hand, prevents oil gas from overflowing from cylindrical shell top when adding coal particle; Described cylindrical shell endoparticle slow descending mechanism, described particle slow descending mechanism comprises the sieve plate being arranged at elasticity connection with it in cylindrical shell, and described sieve plate has vibrating motor, delays the speed that coal particle falls on the one hand, increase the time of contact of coal particle and dust, contact area, coal particle pick-up performance is good; Coal particle can form orderly coal particle layer on sieve plate on the other hand, be convenient to not have stratum granulosum dust adsorption, also the dust in oil gas is effectively prevented to overflow from the through hole of dividing plate, under what is more important sieve plate of the present utility model, vibrating motor is set, coal particle can also be prevented to be blocked on sieve plate; Described sieve plate is provided with upper sieve plate by support, delays coal particle falling speed, increase the time of contact of coal particle and dust; The all sides of described upper sieve plate are provided with the infundibulate piston matched with cylinder inboard wall, prevent oil gas from overflowing from the space between hanger plate and cylindrical shell; Through-hole diameter on described upper sieve plate and sieve plate is greater than the diameter of coal particle, is convenient to coal particle and falls from sieve plate through hole; On described sieve plate, through hole vertical section is trapezium structure, prevents coal particle from blocking through hole; In described coal powder conveyer structure, lower end is provided with coal particle disintegrating mechanism, described coal particle disintegrating mechanism comprises the blade be arranged on screw-conveyer-shaft, the grate plate be sleeved on screw-conveyer-shaft, described grate plate is provided with several through holes, described grate plate is provided with hole clipping, the projection for holding grate plate is provided with in described carrier pipe, by tightening nut, grate plate is pressed on blade, coal particle is transported to grate plate by auger, coal particle is pulverized by cross blade, and the coal particle after pulverizing is transported in coal decomposing equipment by auger; Use the dust collection method of above-mentioned coal substance decomposition oil gas cleaner, comprise the following steps: the gate valve of 1) closing coal particle storage bin bottom, coal particle storage bin is filled coal particle; 2) open gate valve, Vibration on Start-up motor and coal powder conveyer structure, coal particle is transported in coal decomposing equipment; 3) oil gas produced in coal decomposing equipment enters in cylindrical shell from coal powder conveyer structure, coal particle in coal particle storage bin drops on upper sieve plate and lower sieve plate, oil gas and coal particle fully contacted and on contact area large time of contact, coal particle is by the dust absorbing in oil gas, and clean oil gas is absorbed by the oil gas output mechanism on cylindrical shell top; 4) coal particle with dust is transported in coal decomposing equipment by coal powder conveyer structure, and coal particle obtains good waste heat in advance, can make full use of the energy on the one hand, and coal particle can reach required decomposition temperature fast on the other hand, and oil gas decomposition efficiency is high.The driving mechanism of described coal powder conveyer structure is connected with frequency-variable controller, in use, controller controls feeding unit and is transported to by coal dust fast in coal decomposing equipment, it is now conveying process, then the rotating speed of driving mechanism is reduced by controller, make material in grog pipe less, the oil gas in coal decomposing equipment is convenient to enter cylindrical shell fast.When using for the first time without the need to carrying out preheating to coal particle, even if coal tar is adsorbed on coal particle, after coal particle enters auger, and then enter in coal decomposing equipment, coal tar is become gas by heating again and enters oil gas output mechanism from cylindrical shell, more surprisingly coal tar is adsorbed on coal particle, increases the external surface area of coal particle on the one hand, on the other hand because the coal particle being stained with coal tar can by trickle dust absorbing, assimilation effect is better; The utility model on the one hand heat energy makes full use of further, and improve the utilization rate of heat, reduce thermal losses, energy resource consumption of the present utility model is relative to the dust removal integrated system in background technology, and overall energy consumption only has the half of above-mentioned dust pelletizing system; This dust pelletizing system can realize system stable operation in 500h on the other hand, and the particulate efficiency of dust collection being greater than 2um reaches 100%, and in pyrolytic tar, dustiness is less than 0.2%, higher than industrial requirements.In addition, in pyrolytic tar the light components content such as BTX comparatively ordinary filter (Ceramic Balls) improve more than 96%, significantly improve the quality of pyrolytic tar, by fine coal decomposition and separation quickly and efficiently, abundant saving and make use of the energy, greatly increase the utilization rate of coal resource and utilize level, bringing a large amount of economic benefits and social benefit by for entire society.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model coal powder conveyer structure;
Fig. 3 is the structural representation of the utility model coal particle disintegrating mechanism.
Detailed description of the invention:
As shown in Figure 1, 2, 3, a kind of coal substance decomposition oil gas cleaner, the coal powder conveyer structure 9 comprising coal decomposing equipment 10 and be connected with coal decomposing equipment 10, described coal powder conveyer structure 9 is provided with the cylindrical shell 3 be communicated with it, described cylindrical shell 3 top is provided with the oil gas output mechanism 6 be communicated with it, described cylindrical shell 3 top is provided with the coal particle storage bin 1 be communicated with it, and described coal particle storage bin 1 bottom is provided with gate valve 2.
Described cylindrical shell endoparticle slow descending mechanism.
Described particle slow descending mechanism comprises the sieve plate 4 being arranged at elasticity connection with it in cylindrical shell 3, and described sieve plate is connected by spring 7 with cylinder inboard wall, and described sieve plate 4 has vibrating motor 8.
Described sieve plate 4 is provided with upper sieve plate 5 by support.
Described upper sieve plate 5 weeks sides are provided with the infundibulate piston 14 matched with cylinder inboard wall.
Through-hole diameter on described upper sieve plate 5 and sieve plate 4 is greater than the diameter of coal particle.
On described sieve plate 4, through hole vertical section is trapezium structure.
In described coal powder conveyer structure, lower end is provided with coal particle disintegrating mechanism.
Use the dust collection method of above-mentioned coal substance decomposition oil gas cleaner, comprise the following steps:
1) close the gate valve of coal particle storage bin bottom, coal particle storage bin is filled coal particle;
2) open gate valve, Vibration on Start-up motor and coal powder conveyer structure, coal particle is transported in coal decomposing equipment;
3) oil gas produced in coal decomposing equipment enters in cylindrical shell from coal powder conveyer structure, coal particle in coal particle storage bin drops on upper sieve plate and lower sieve plate, oil gas and coal particle fully contacted and on contact area large time of contact, coal particle is by the dust absorbing in oil gas, and clean oil gas is absorbed by the oil gas output mechanism on cylindrical shell top;
4) coal particle with dust is transported in coal decomposing equipment by coal powder conveyer structure, and coal particle obtains good waste heat in advance, can make full use of the energy on the one hand, and coal particle can reach required decomposition temperature fast on the other hand, and oil gas decomposition efficiency is high.
Coal decomposing equipment of the present utility model is connected with coal powder conveyer structure, coal powder conveyer structure adopts screw auger conveyer, described coal powder conveyer structure is provided with the cylindrical shell be communicated with it, described cylindrical shell top is provided with the oil gas output mechanism be communicated with it, oil gas output mechanism adopts air exhauster, and air exhauster is connected with frequency-variable controller, according to the pressure sensor in cylindrical shell, control the power of air exhauster, save the energy; Described cylindrical shell top is provided with the coal particle storage bin be communicated with it, and described coal particle storage bin bottom is provided with gate valve, and gate valve plays blowing effect on the one hand, plays sealing function on the other hand, prevents oil gas from overflowing from cylindrical shell top when adding coal particle; Described cylindrical shell endoparticle slow descending mechanism, described particle slow descending mechanism comprises the sieve plate being arranged at elasticity connection with it in cylindrical shell, and described sieve plate has vibrating motor, delays the speed that coal particle falls on the one hand, increase the time of contact of coal particle and dust, contact area, coal particle pick-up performance is good; Coal particle can form orderly coal particle layer on sieve plate on the other hand, be convenient to not have stratum granulosum dust adsorption, also the dust in oil gas is effectively prevented to overflow from the through hole of dividing plate, under what is more important sieve plate of the present utility model, vibrating motor is set, coal particle can also be prevented to be blocked on sieve plate; Described sieve plate is provided with upper sieve plate by support, delays coal particle falling speed, increase the time of contact of coal particle and dust; The all sides of described upper sieve plate are provided with the infundibulate piston matched with cylinder inboard wall, prevent oil gas from overflowing from the space between hanger plate and cylindrical shell; Through-hole diameter on described upper sieve plate and sieve plate is greater than the diameter of coal particle, is convenient to coal particle and falls from sieve plate through hole; On described sieve plate, through hole vertical section is trapezium structure, prevents coal particle from blocking through hole; In described coal powder conveyer structure, lower end is provided with coal particle disintegrating mechanism, described coal particle disintegrating mechanism comprises the blade 11 be arranged on screw-conveyer-shaft, the grate plate 12 be sleeved on screw-conveyer-shaft, described grate plate 12 is provided with several through holes, the all sides 12 of described grate plate are provided with hole clipping, the projection 15 for holding grate plate is provided with in described carrier pipe, by tightening nut 13, grate plate is pressed on blade, coal particle is transported to grate plate by auger, coal particle is pulverized by cross blade, and the coal particle after pulverizing is transported in coal decomposing equipment by auger; Use the dust collection method of above-mentioned coal substance decomposition oil gas cleaner, comprise the following steps: the gate valve of 1) closing coal particle storage bin bottom, coal particle storage bin is filled coal particle; 2) open gate valve, Vibration on Start-up motor and coal powder conveyer structure, coal particle is transported in coal decomposing equipment; 3) oil gas produced in coal decomposing equipment enters in cylindrical shell from coal powder conveyer structure, coal particle in coal particle storage bin drops on upper sieve plate and lower sieve plate, oil gas and coal particle fully contacted and on contact area large time of contact, coal particle is by the dust absorbing in oil gas, and clean oil gas is absorbed by the oil gas output mechanism on cylindrical shell top; 4) coal particle with dust is transported in coal decomposing equipment by coal powder conveyer structure, and coal particle obtains good waste heat in advance, can make full use of the energy on the one hand, and coal particle can reach required decomposition temperature fast on the other hand, and oil gas decomposition efficiency is high.The driving mechanism of described coal powder conveyer structure is connected with frequency-variable controller, in use, controller controls feeding unit and is transported to by coal dust fast in coal decomposing equipment, it is now conveying process, then the rotating speed of driving mechanism is reduced by controller, make material in grog pipe less, the oil gas in coal decomposing equipment is convenient to enter cylindrical shell fast.When using for the first time without the need to carrying out preheating to coal particle, even if coal tar is adsorbed on coal particle, after coal particle enters auger, and then enter in coal decomposing equipment, coal tar is become gas by heating again and enters oil gas output mechanism from cylindrical shell, more surprisingly coal tar is adsorbed on coal particle, increases the external surface area of coal particle on the one hand, on the other hand because the coal particle being stained with coal tar can by trickle dust absorbing, assimilation effect is better; The utility model on the one hand heat energy makes full use of further, and improve the utilization rate of heat, reduce thermal losses, energy resource consumption of the present utility model is relative to the dust removal integrated system in background technology, and overall energy consumption only has the half of above-mentioned dust pelletizing system; This dust pelletizing system can realize system stable operation in 500h on the other hand, and the particulate efficiency of dust collection being greater than 2um reaches 100%, and in pyrolytic tar, dustiness is less than 0.2%, higher than industrial requirements.In addition, in pyrolytic tar the light components content such as BTX comparatively ordinary filter (Ceramic Balls) improve more than 96%, significantly improve the quality of pyrolytic tar, by fine coal decomposition and separation quickly and efficiently, abundant saving and make use of the energy, greatly increase the utilization rate of coal resource and utilize level, bringing a large amount of economic benefits and social benefit by for entire society.

Claims (8)

1. a coal substance decomposition oil gas cleaner, it is characterized in that: the coal powder conveyer structure comprising coal decomposing equipment and be connected with coal decomposing equipment, described coal powder conveyer structure is provided with the cylindrical shell be communicated with it, described cylindrical shell top is provided with the oil gas output mechanism be communicated with it, described cylindrical shell top is provided with the coal particle storage bin be communicated with it, and described coal particle storage bin bottom is provided with gate valve.
2. coal substance decomposition oil gas cleaner as claimed in claim 1, is characterized in that: described cylindrical shell endoparticle slow descending mechanism.
3. coal substance decomposition oil gas cleaner as claimed in claim 2, is characterized in that: described particle slow descending mechanism comprises the sieve plate being arranged at elasticity connection with it in cylindrical shell, and described sieve plate has vibrating motor.
4. coal substance decomposition oil gas cleaner as claimed in claim 3, is characterized in that: described sieve plate is provided with upper sieve plate by support.
5. coal substance decomposition oil gas cleaner as claimed in claim 4, is characterized in that: all sides of described upper sieve plate are provided with the infundibulate piston matched with cylinder inboard wall.
6. coal substance decomposition oil gas cleaner as claimed in claim 4, is characterized in that: the through-hole diameter on described upper sieve plate and sieve plate is greater than the diameter of coal particle.
7. coal substance decomposition oil gas cleaner as claimed in claim 5, is characterized in that: on described sieve plate, through hole vertical section is trapezium structure.
8. coal substance decomposition oil gas cleaner as claimed in claim 1, is characterized in that: in described coal powder conveyer structure, lower end is provided with coal particle disintegrating mechanism.
CN201520116760.9U 2015-02-26 2015-02-26 A kind of coal substance decomposition oil gas cleaner Withdrawn - After Issue CN204485533U (en)

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CN201520116760.9U CN204485533U (en) 2015-02-26 2015-02-26 A kind of coal substance decomposition oil gas cleaner

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104645740A (en) * 2015-02-26 2015-05-27 河南龙成煤高效技术应用有限公司 Dust removing equipment for oil gas generated in coal material decomposition and dust removing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104645740A (en) * 2015-02-26 2015-05-27 河南龙成煤高效技术应用有限公司 Dust removing equipment for oil gas generated in coal material decomposition and dust removing method
CN104645740B (en) * 2015-02-26 2016-08-24 河南龙成煤高效技术应用有限公司 A kind of coal substance decomposition oil gas cleaner and dust collection method

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20150722

Effective date of abandoning: 20160824

C25 Abandonment of patent right or utility model to avoid double patenting