CN209005665U - Hydrogasification semicoke pulping device - Google Patents
Hydrogasification semicoke pulping device Download PDFInfo
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- CN209005665U CN209005665U CN201821632283.1U CN201821632283U CN209005665U CN 209005665 U CN209005665 U CN 209005665U CN 201821632283 U CN201821632283 U CN 201821632283U CN 209005665 U CN209005665 U CN 209005665U
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Abstract
The utility model discloses a kind of hydrogasification semicoke pulping device, device includes slurrying agitator tank, Pneumatic conveyer, venturi mixer, tank of sizing mixing；The utility model has the advantage of, pass through pneumatic conveying, semicoke is delivered in venturi mixer and is mixed with industrial fresh water, semicoke is sufficiently drenched in advance, then the semicoke drenched is delivered in slurrying agitator tank, semicoke is directly entered below slurrying stirring jar liquid surface, with the industrial fresh water stirring pulping in slurrying agitator tank, ensure that semicoke is mixed into industrial fresh water to the greatest extent, improve half coke utilization, improves effects on slurry making.
Description
Technical field:
The utility model relates to coal chemical technology, in particular to a kind of hydrogasification semicoke pulping device.
Background technique:
Hydrogasification refers to that carbon compound and hydrogen are anti-under the conditions of medium temperature (700-1000 DEG C) and high pressure (5-10MPa)
It answers, generates the process of the raw gas, high added value aromatic hydrocarbons oil product and high heating value semicoke that are rich in methane.Semicoke is also known as coalitenessity,
Grey black, volatile matter is higher than coke, and quality is loose porous, and reactivity worth is good, in coal chemical technology frequently as coal water slurry gasification original
Material uses.
Currently, semicoke is used for the process of coal water slurry gasification substantially, as shown in Figure 1, semicoke is ground through semicoke grinding machine 19, grind
The semicoke for grinding partial size qualification enters in half coke bin 17, and the semicoke in half coke bin 17 enters slurrying by semicoke delivery pipe 14 and stirs
It is mixed in tank 1 with water, slurry obtained is delivered to coal water slurry gasification feed conduit 25 by semicoke stock pump 23, for water-coal-slurry
Gasification uses；Evacuated tube 6 is equipped at the top of slurrying agitator tank 1,6 outlet end of evacuated tube is connect with 27 input end of air-introduced machine, evacuated tube 6
It is equipped with filter 28, avoids semicoke from enter in atmosphere with emptying operation, pollutes environment.Since semicoke quality is loose more
Hole when mixing with water, usually swims on the water surface and is difficult to mix, and effects on slurry making is poor, there are about the semicoke of mass ratio 10% without
Method success slurrying, in order to ensure slurrying quality, the semicoke that this part is not mixed with water generally passes through filter 28 and air-introduced machine 27
It draws outside slurrying agitator tank 1, in the process, on the one hand there is about 10% semicoke not efficiently used, cause resource
Waste, while having certain pollution to atmospheric environment；On the other hand, filter 28 and air-introduced machine 27 are contacted with semicoke for a long time,
Filter 28 and air-introduced machine 27 are easy to happen blocking and damage, influence the continual and steady progress of pulping process, pulping process is once
It interrupts, the progress of coal water slurry gasification process will be affected, reduce the efficiency of coal water slurry gasification.
Utility model content:
The purpose of this utility model is to provide a kind of raising semicoke effects on slurry making, reduce semicoke slurrying difficulty, raising coal
The hydrogasification semicoke pulping device of gasification efficiency.
The purpose of this utility model is implemented by following technical solution, the device of hydrogasification semicoke slurrying comprising slurrying
Agitator tank, is equipped with venturi mixer at the feed inlet of the slurrying agitator tank, an import of the venturi mixer with
The outlet of Pneumatic conveyer connects, and passes through fresh water between another import and fresh pipe network of the venturi mixer
The outlet of pump connection, the slurrying agitator tank is connect by semicoke stock pump with the import for tank of sizing mixing, the outlet point of the tank of sizing mixing
It is not connect with the import of the refluxing opening, coal water slurry gasification feed conduit of the slurrying agitator tank；The venturi mixer goes out
Mouth is placed in below the liquid level of the slurrying agitator tank, and the pipeline of the tank of sizing mixing being exported between the refluxing opening is equipped with back
Flow control valve, the coal water slurry gasification feed conduit are equipped with delivery control valve；Tank and the slurrying agitator tank of sizing mixing
Volume ratio is more than or equal to 2:1；
The top of the slurrying agitator tank is equipped with semicoke processing chamber, and the bottom of the semicoke processing chamber and the slurrying are stirred
The top of tank connects, and the top of the semicoke processing chamber is equipped with evacuated tube, is staggeredly equipped at least two in the semicoke processing chamber
The chord length frontier juncture of the bowed tower tray of major arc, the tower tray is symmetrical in the vertical centerline of the semicoke processing chamber, the tower tray
Arc-shaped edges are fixedly connected with the inner sidewall of the semicoke processing chamber, are evenly equipped with through-hole on the tower tray, on tower tray described in top layer
The semicoke processing chamber of side is connect with the fresh pipe network by reverse stream pipe.
Further, the Pneumatic conveyer includes semicoke delivery pipe and compressed air source, the semicoke delivery pipe
It is connected between import and half coke bin by rotatory feeder valve, the outlet of the semicoke delivery pipe and the one of the venturi mixer
A import connection, is connected between the semicoke delivery pipe and the compressed air source by compressed air hose；Half coke bin
Import is connect with the outlet of semicoke screw conveyor, and the import of the semicoke screw conveyor and the qualified product of semicoke grinding machine export
Connection.
Further, the tray level setting, the number of trays are 4-6, are equipped between two layers adjacent of tower tray
Downspout, the gap formed between tower tray described in the inlet side of the downspout and upper layer and semicoke processing cavity wall connect
It connecing, the import of the downspout is placed in the top of tower tray described in upper layer, and tower tray described in the bottom of the downspout and lower layer connects,
The outlet of the downspout is placed in the top of tower tray described in lower layer.
Further, demister, the edge of the demister are equipped in the semicoke processing chamber below the evacuated tube
It is fixedly connected with the inner sidewall of the semicoke processing chamber.
Further, it is equipped with blender in the slurrying agitator tank, passes through the system at the top of the rotation axis of the blender
It is fixedly connected at the top of slurry agitator tank with the output shaft of rotary electric machine；It is equipped with blender of sizing mixing in the tank of sizing mixing, described size mixing is stirred
Tank top of sizing mixing described in passing through at the top of the rotation axis of device is mixed to be fixedly connected with the output shaft for rotary electric machine of sizing mixing.
The advantages of the utility model: 1, by pneumatic conveying, semicoke is delivered in venturi mixer fresh with industry
Water mixing, semicoke is sufficiently drenched, then the semicoke drenched is delivered in slurrying agitator tank, semicoke is directly entered slurrying in advance
It stirs below jar liquid surface, with the industrial fresh water stirring pulping in slurrying agitator tank, it is ensured that be to the greatest extent mixed into semicoke
In industrial fresh water, half coke utilization is improved, improves effects on slurry making；2, since semicoke is to enter slurrying agitator tank through pneumatic conveying
It is interior, into slurrying agitator tank in but be not mixed into the semicoke of industrial fresh water will be as pneumatic conveying compressed gas be to semicoke processing chamber
It moves, the industrial fresh water flowed on the tower tray of semicoke processing chamber forms moisture film, and the compressed gas for being mixed with semicoke enters at semicoke
It after managing chamber, is moved upwards via tower tray through-hole, semicoke is contacted with the moisture film on tower tray, and semicoke is intercepted by moisture film and with flowing
Industrial fresh water is fallen after rise to slurrying agitator tank, carries out slurrying, and half coke utilization is improved to 99%, avoided half caused by emptying
Coke waste, reduces semicoke slurrying cost；Meanwhile semicoke is intercepted and is flowed back by moisture film, reduces what equipment was damaged by blocking
Probability, it is ensured that the operation that pulping system can be continual and steady has ensured going on smoothly for coal water slurry gasification process；3, under evacuated tube
Side is equipped with demister, it is ensured that pneumatic conveying compressed gas passes through the bubble generated when tower tray moisture film and enters emptying system, damage emptying
System.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is prior art systems structural schematic diagram.
Fig. 2 is the overall structure diagram of embodiment 1.
Fig. 3 is the tray structure schematic diagram of embodiment 1.
Slurrying agitator tank 1, venturi mixer 2, slurrying blender 3, slurrying rotary electric machine 4, semicoke processing chamber 5, emptying
Pipe 6, tower tray 7, through-hole 8, downspout 9, fresh pipe network 11, reverse stream pipe 12, demister 13, semicoke delivery pipe 14, compressed air
Source 15, compressed air hose 16, half coke bin 17, semicoke screw conveyor 18, semicoke grinding machine 19, rotatory feeder valve 20, fresh water pump
21, refluxing opening 22, semicoke stock pump 23, tank 24 of sizing mixing, coal water slurry gasification feed conduit 25, recycle control valve 26, air-introduced machine 27, mistake
Filter 28, blender 29 of sizing mixing, rotary electric machine 30 of sizing mixing, delivery control valve 31.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
As Figure 2-3, hydrogasification semicoke pulping device comprising slurrying agitator tank 1, the charging of slurrying agitator tank 1
It is equipped with venturi mixer 2 at mouthful, blender 3 is equipped in slurrying agitator tank, slurrying is passed through at the top of the rotation axis of blender 3 and stirs
Tank top is fixedly connected with the output shaft of rotary electric machine 4, and the top of slurrying agitator tank 1 is equipped with semicoke processing chamber 5, semicoke processing chamber
5 inside is connected to the inside of slurrying agitator tank 1, and the bottom of semicoke processing chamber 5 is connect with the top of slurrying agitator tank 1, semicoke
The top of processing chamber 5 is equipped with evacuated tube 6, is staggeredly equipped with the bowed tower tray 7 of at least two major arcs, 7 water of tower tray in semicoke processing chamber 5
Flat setting, 7 quantity of tower tray are 4-6, and in the present embodiment, 7 quantity of tower tray is 4；The chord length frontier juncture of tower tray 7 is in semicoke processing
The vertical centerline of chamber 5 is symmetrical, and the arc-shaped edges of tower tray 7 are fixedly connected with the inner sidewall of semicoke processing chamber 5, is evenly equipped on tower tray 7
Through-hole 8 is equipped with downspout 9, the inlet side and upper layer tower tray 7 and semicoke processing chamber 5 of downspout 9 between adjacent two layers of tower tray 7
The gap connection formed between inner wall, the import of downspout 9 are placed in the top of upper layer tower tray 7, the bottom of downspout 9 and lower layer's tower
Disk 7 connects, and the outlet of downspout 9 is placed in the top of lower layer's tower tray 7；The semicoke processing chamber 5 and fresh water of 7 top of top layer's tower tray
Pipe network 11 is connected by reverse stream pipe 12；Demister 13, the edge of demister 13 are equipped in the semicoke processing chamber 5 of 6 lower section of evacuated tube
It is fixedly connected with the inner sidewall of semicoke processing chamber 5.
An import and the outlet of Pneumatic conveyer for venturi mixer 2 connects, and Pneumatic conveyer includes semicoke
Delivery pipe 14 and compressed air source 15 are connected between semicoke delivery pipe 14 and compressed air source 15 by compressed air hose 16, are pressed
The pressure of contracting air-source 15 is 0.5-0.7MPa, and in the present embodiment, the pressure of compressed air source 15 is 0.6MPa；Half coke bin 17
Import connect with the outlet of semicoke screw conveyor 18, the qualified product of the import of semicoke screw conveyor 18 and semicoke grinding machine 19
Outlet connection, is connected between the import of semicoke delivery pipe 14 and half coke bin 17 by rotatory feeder valve 20.Venturi mixer 2
It is connected between another import and fresh pipe network 11 by fresh water pump 21, the outlet of venturi mixer 2 is placed in slurrying and stirs
The inside for mixing tank 1 is placed in below the liquid level of slurrying agitator tank 1, and the outlet of slurrying agitator tank 1 passes through semicoke stock pump 23 and sizes mixing
The import of tank 24 connects, and the volume ratio of size mixing tank 24 and slurrying agitator tank 1 is more than or equal to 2:1, in the present embodiment, tank 24 of sizing mixing
Volume ratio with slurrying agitator tank 1 is 2:1；Tank 24 of sizing mixing is interior to be equipped with blender 29 of sizing mixing, the rotation axis top for blender 29 of sizing mixing
Portion passes through 24 top of tank of sizing mixing and is fixedly connected with the output shaft for rotary electric machine 30 of sizing mixing, and the outlet of slurrying agitator tank 1 passes through semicoke
Stock pump 23 is connect with the import for tank 24 of sizing mixing, tank 24 of sizing mixing outlet respectively with the refluxing opening 22 of slurrying agitator tank 1, water-coal-slurry gas
Change the import connection of feed conduit 25；Size mixing tank 24 the pipeline being exported between refluxing opening 22 be equipped with recycle control valve 26,
Coal water slurry gasification feed conduit 25 is equipped with delivery control valve 31.
Embodiment 2:
The hydrogasification semicoke pulping device stable operation method carried out using embodiment 1, semicoke is through pneumatic conveying to text
It is mixed in mixer 2 with the industrial fresh water being delivered in venturi mixer 2 in mound, the pressure of pneumatic conveying is
0.5MPa, 1 operating pressure of slurrying agitator tank are 0.1MPa, the mixing quality of the semicoke of venturi mixer 2 and industrial fresh water
Than being placed in liquid level in slurrying agitator tank 1 for the outlet of 1:0.8, venturi mixer 2 hereinafter, obtaining pre- slurrying after mixing；It is prefabricated
Slurry, which enters in slurrying agitator tank 1, to be stirred, mixing speed 30r/min；During stirring, into semicoke processing chamber 5
It is passed through industrial fresh water, the semicoke of pneumatic conveying and the mixing mass ratio for being passed through the industrial fresh water of semicoke processing chamber 5 are 1:0.8,
Industrial fresh water along 7 upper surface of tower tray flow, 7 upper surface of tower tray formed water membrane, part not be passed through slurrying stirring
The semicoke that industrial fresh water mixing is slurried in tank 1 is as the compressed gas of pneumatic conveying enters in semicoke processing chamber 5, and semicoke is via tower
The through-hole 8 of disk 7 is moved upwards to be contacted with the moisture film on tower tray 7, and is flowed industrial fresh water with 7 upper surface of tower tray and be back to system
It starches in agitator tank 1, into the compressed gas in semicoke processing chamber 5 after foam removal is handled, by the evacuated tube 6 at 5 top of semicoke processing chamber
Discharge, the semicoke slurry stirred to get is pumped by semicoke stock pump 23 sizes mixing in tank 24, carries out in tank 24 of sizing mixing to semicoke slurry
Stirring obtains qualified semicoke slurry, and the concentration of qualified semicoke slurry is 30%；Qualified semicoke starches a part and is back to slurrying agitator tank 1
It is interior to maintain the liquid level in slurrying agitator tank 1 as the 60% of 1 volume of slurrying agitator tank, remaining qualified semicoke slurry is delivered to water-coal-slurry
Gasification system.
With the present embodiment compared with conventional semicoke pulping process, conventional semicoke pulping process is carried out using system shown in Figure 1,
Specifically: it is 30r/min that the mass ratio of the stirring of semicoke processing industry fresh water, semicoke and industrial fresh water, which is 1:0.8 mixing speed,；
The present embodiment is test group, and conventional semicoke pulping process is control group, and semicoke used is the half of homogeneity same amount before two groups of slurrying
Coke is obtained by the grinding, Screening Treatment of the same terms, and two groups carry out slurrying, double of coke utilization, equipment to semicoke simultaneously
Service life is recorded, and record result is as follows:
1 two group of half coke utilization of table and life of equipment record
| Project | Control group | Test group |
| Half coke utilization (%) | 80 | 99 |
| System service life (d) | 60 | 330 |
As shown in Table 1, compared with conventional semicoke pulping process, semicoke is delivered to literary mound by pneumatic conveying by this implementation
In mixed with industrial fresh water in mixer 2, semicoke is sufficiently drenched in advance, the semicoke drenched is then delivered to slurrying and is stirred
In tank 1, semicoke is directly entered below slurrying agitator tank 1 liquid level, and the industrial fresh water stirring pulping in slurrying agitator tank 1, really
Semicoke is mixed into industrial fresh water by guarantor to the greatest extent, improves half coke utilization, improves effects on slurry making；Secondly as half
Coke is entered in slurrying agitator tank 1 through pneumatic conveying, into slurrying agitator tank 1 in but be not mixed into industrial fresh water semicoke will
As pneumatic conveying compressed gas is moved to semicoke processing chamber 5, the industrial fresh water of 7 upper surface of the tower tray flowing of semicoke processing chamber 5
Formed moisture film, be mixed with semicoke compressed gas enter semicoke processing chamber 5 after, moved upwards from bottom to top via 7 through-hole 8 of tower tray,
Semicoke is contacted with the moisture film of 7 upper surface of tower tray, and semicoke is intercepted and stirred as the industrial fresh water of flowing is fallen after rise to slurrying by moisture film
It mixes in tank 1, carries out slurrying, half coke utilization improves to 99%, avoids semicoke caused by emptying from wasting, reduce equipment because of blocking
And the probability damaged, it is ensured that the operation that pulping system can be continual and steady has ensured going on smoothly for coal water slurry gasification process.
Embodiment 3:
The hydrogasification semicoke pulping device stable operation method carried out using embodiment 1, semicoke is through pneumatic conveying to text
It is mixed in mixer 2 with the industrial fresh water being delivered in venturi mixer 2 in mound, the pressure of pneumatic conveying is
0.6MPa, 1 operating pressure of slurrying agitator tank are 0.15MPa, the mixing quality of the semicoke of venturi mixer 2 and industrial fresh water
Than being placed in liquid level in slurrying agitator tank 1 for the outlet of 1:0.9, venturi mixer 2 hereinafter, obtaining pre- slurrying after mixing；It is prefabricated
Slurry, which enters in slurrying agitator tank 1, to be stirred, mixing speed 40r/min；During stirring, into semicoke processing chamber 5
It is passed through industrial fresh water, industrial fresh water is flowed along 7 upper surface of tower tray, forms water membrane in 7 upper surface of tower tray, part is not
The semicoke being slurried is mixed as the compressed gas of pneumatic conveying enters semicoke processing chamber with industrial fresh water is passed through in slurrying agitator tank 1
In 5, semicoke is moved upwards via the through-hole 8 of tower tray 7 and is contacted with the moisture film on tower tray 7, and as industrial fresh water is back to system
It starches in agitator tank 1, into the compressed gas in semicoke processing chamber 5 after foam removal is handled, by the evacuated tube 6 at 5 top of semicoke processing chamber
Discharge, the semicoke slurry stirred to get is pumped by semicoke stock pump 23 sizes mixing in tank 24, carries out in tank 24 of sizing mixing to semicoke slurry
Stirring obtains qualified semicoke slurry, and the concentration of qualified semicoke slurry is 33%；Qualified semicoke starches a part and is back to slurrying agitator tank 1
It is interior to maintain the liquid level in slurrying agitator tank 1 as the 70% of 1 volume of slurrying agitator tank, remaining qualified semicoke slurry is delivered to water-coal-slurry
Gasification system.
With the present embodiment compared with conventional semicoke pulping process, conventional semicoke pulping process is carried out using system shown in Figure 1,
Specifically: the mass ratio of the stirring of semicoke processing industry fresh water, semicoke and industrial fresh water is 1:0.9, mixing speed 40r/
min；The present embodiment is test group, and conventional semicoke pulping process is control group, and semicoke used is homogeneity same amount before two groups of slurrying
Semicoke obtained by the grinding, Screening Treatment of the same terms, two groups carry out slurrying to semicoke simultaneously, double of coke utilization,
Life of equipment is recorded, and record result is as follows:
2 two group of half coke utilization of table and life of equipment record
| Project | Control group | Test group |
| Half coke utilization (%) | 80 | 99 |
| System service life (d) | 60 | 330 |
As shown in Table 2, compared with conventional semicoke pulping process, semicoke is delivered to literary mound by pneumatic conveying by this implementation
In mixed with industrial fresh water in mixer 2, semicoke is sufficiently drenched in advance, the semicoke drenched is then delivered to slurrying and is stirred
In tank 1, semicoke is directly entered below slurrying agitator tank 1 liquid level, and the industrial fresh water stirring pulping in slurrying agitator tank 1, really
Semicoke is mixed into industrial fresh water by guarantor to the greatest extent, improves half coke utilization, improves effects on slurry making；Secondly as half
Coke is entered in slurrying agitator tank 1 through pneumatic conveying, into slurrying agitator tank 1 in but be not mixed into industrial fresh water semicoke will
As pneumatic conveying compressed gas is moved to semicoke processing chamber 5, the industrial fresh water of 7 upper surface of the tower tray flowing of semicoke processing chamber 5
Formed moisture film, be mixed with semicoke compressed gas enter semicoke processing chamber 5 after, moved upwards from bottom to top via 7 through-hole 8 of tower tray,
Semicoke is contacted with the moisture film of 7 upper surface of tower tray, and semicoke is intercepted and stirred as the industrial fresh water of flowing is fallen after rise to slurrying by moisture film
It mixes in tank 1, carries out slurrying, half coke utilization improves to 99%, avoids semicoke caused by emptying from wasting, reduce equipment because of blocking
And the probability damaged, it is ensured that the operation that pulping system can be continual and steady has ensured going on smoothly for coal water slurry gasification process.
Embodiment 4:
The hydrogasification semicoke pulping device stable operation method carried out using embodiment 1, semicoke is through pneumatic conveying to text
It is mixed in mixer 2 with the industrial fresh water being delivered in venturi mixer 2 in mound, the pressure of pneumatic conveying is
0.7MPa, 1 operating pressure of slurrying agitator tank are 0.2MPa, the mixing quality of the semicoke of venturi mixer 2 and industrial fresh water
Than being placed in liquid level in slurrying agitator tank 1 for the outlet of 1:1.2, venturi mixer 2 hereinafter, obtaining pre- slurrying after mixing；It is prefabricated
Slurry, which enters in slurrying agitator tank, to be stirred, mixing speed 50r/min；During stirring, lead into semicoke processing chamber 5
Enter industrial fresh water, industrial fresh water is flowed along 7 upper surface of tower tray, form water membrane in 7 upper surface of tower tray, part not with
Semicoke that the industrial fresh water mixing of slurrying agitator tank 1 is slurried is passed through as the compressed gas of pneumatic conveying enters in semicoke processing chamber 5,
Semicoke is moved upwards via the through-hole 8 of tower tray 7 and is contacted with the moisture film on tower tray 7, and is stirred as industrial fresh water is back to slurrying
It mixes in tank 1, into the compressed gas in semicoke processing chamber 5 after foam removal is handled, is discharged by the evacuated tube 6 at 5 top of semicoke processing chamber,
The semicoke slurry stirred to get is pumped by semicoke stock pump 23 sizes mixing in tank 24, is stirred in tank 24 of sizing mixing to semicoke slurry,
Qualified semicoke slurry is obtained, the concentration of qualified semicoke slurry is 35%；Qualified semicoke is starched a part and is back in slurrying agitator tank 1 with dimension
Holding the liquid level in slurrying agitator tank 1 is the 80% of 1 volume of slurrying agitator tank, remaining qualified semicoke slurry is delivered to coal water slurry gasification system
System.
With the present embodiment compared with conventional semicoke pulping process, conventional semicoke pulping process is carried out using system shown in Figure 1,
Specifically: the mass ratio of the stirring of semicoke processing industry fresh water, semicoke and industrial fresh water is 1:1.2, mixing speed 50r/
min；The present embodiment is test group, and conventional semicoke pulping process is control group, and semicoke used is homogeneity same amount before two groups of slurrying
Semicoke obtain semicoke by the grinding, Screening Treatment of the same terms, two groups carry out slurrying to semicoke simultaneously, and double of Jiao Li uses
Rate, life of equipment are recorded, and record result is as follows:
3 two group of half coke utilization of table and life of equipment record
| Project | Control group | Test group |
| Half coke utilization (%) | 80 | 99 |
| System service life (d) | 60 | 330 |
As shown in Table 3, compared with conventional semicoke pulping process, semicoke is delivered to literary mound by pneumatic conveying by this implementation
In mixed with industrial fresh water in mixer 2, semicoke is sufficiently drenched in advance, the semicoke drenched is then delivered to slurrying and is stirred
In tank 1, semicoke is directly entered below slurrying agitator tank 1 liquid level, and the industrial fresh water stirring pulping in slurrying agitator tank 1, really
Semicoke is mixed into industrial fresh water by guarantor to the greatest extent, improves half coke utilization, improves effects on slurry making；Secondly as half
Coke is entered in slurrying agitator tank 1 through pneumatic conveying, into slurrying agitator tank 1 in but be not mixed into industrial fresh water semicoke will
As pneumatic conveying compressed gas is moved to semicoke processing chamber 5, the industrial fresh water of 7 upper surface of the tower tray flowing of semicoke processing chamber 5
Formed moisture film, be mixed with semicoke compressed gas enter semicoke processing chamber 5 after, moved upwards from bottom to top via 7 through-hole 8 of tower tray,
Semicoke is contacted with the moisture film of 7 upper surface of tower tray, and semicoke is intercepted and stirred as the industrial fresh water of flowing is fallen after rise to slurrying by moisture film
It mixes in tank 1, carries out slurrying, half coke utilization improves to 99%, avoids semicoke caused by emptying from wasting, reduce equipment because of blocking
And the probability damaged, it is ensured that the operation that pulping system can be continual and steady has ensured going on smoothly for coal water slurry gasification process.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. hydrogasification semicoke pulping device, which is characterized in that it includes slurrying agitator tank, the feed inlet of the slurrying agitator tank
Place is equipped with venturi mixer, and an import and the outlet of Pneumatic conveyer for the venturi mixer connects, the text
It is connected between another import and fresh pipe network of mixer by fresh water pump in mound, the outlet of the slurrying agitator tank is logical
It crosses semicoke stock pump to connect with the import for tank of sizing mixing, the tank of sizing mixing exports refluxing opening, the water with the slurrying agitator tank respectively
The import of coal slurry gasification feed conduit connects；The outlet of the venturi mixer is placed under the liquid level of the slurrying agitator tank
The pipeline of side, the tank of sizing mixing being exported between the refluxing opening is equipped with recycle control valve, the coal water slurry gasification raw material
Pipeline is equipped with delivery control valve；The volume ratio of tank body and the slurrying agitator tank of sizing mixing is more than or equal to 2:1；
The top of the slurrying agitator tank is equipped with semicoke processing chamber, the bottom of the semicoke processing chamber and the slurrying agitator tank
Top connection, the top of the semicoke processing chamber are equipped with evacuated tube, are staggeredly equipped at least two major arcs in the semicoke processing chamber
The chord length frontier juncture of bowed tower tray, the tower tray is symmetrical in the vertical centerline of the semicoke processing chamber, the circular arc of the tower tray
Side is fixedly connected with the inner sidewall of the semicoke processing chamber, is evenly equipped with through-hole on the tower tray, above tower tray described in top layer
The semicoke processing chamber is connect with the fresh pipe network by reverse stream pipe.
2. hydrogasification semicoke pulping device according to claim 1, which is characterized in that the Pneumatic conveyer includes
Semicoke delivery pipe and compressed air source are connected between the import and half coke bin of the semicoke delivery pipe by rotatory feeder valve, institute
The outlet for stating semicoke delivery pipe is connect with an import of the venturi mixer, and the semicoke delivery pipe and the compression are empty
It is connected between gas source by compressed air hose；The import of half coke bin is connect with the outlet of semicoke screw conveyor, and described half
The import of burnt screw conveyor and the qualified product of semicoke grinding machine are exported and are connected.
3. according to claim 1 or 2 any hydrogasification semicoke pulping devices, which is characterized in that the tray level
Setting, the number of trays are 4-6, are equipped with downspout between two layers adjacent of tower tray, the inlet side of the downspout with it is upper
The gap connection formed between the layer tower tray and semicoke processing cavity wall, the import of the downspout are placed in described in upper layer
The top of tower tray, the connection of tower tray described in the bottom of the downspout and lower layer, the outlet of the downspout is placed in tower described in lower layer
The top of disk.
4. hydrogasification semicoke pulping device according to claim 3, which is characterized in that described below the evacuated tube
Demister is equipped in semicoke processing chamber, the edge of the demister is fixedly connected with the inner sidewall of the semicoke processing chamber.
5. hydrogasification semicoke pulping device according to claim 4, which is characterized in that be equipped in the slurrying agitator tank
Blender, the rotation axis top of the blender, which passes through, fixes company with the output shaft of rotary electric machine at the top of the slurrying agitator tank
It connects；Described size mixing is equipped with blender of sizing mixing in tank, passed through at the top of the rotation axis of the blender of sizing mixing it is described size mixing tank top with
The output shaft of rotary electric machine of sizing mixing is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821632283.1U CN209005665U (en) | 2018-10-09 | 2018-10-09 | Hydrogasification semicoke pulping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110354741A (en) * | 2018-10-09 | 2019-10-22 | 新能能源有限公司 | Hydrogasification semicoke pulping device and its stable operation method |
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