CN208200860U - A kind of system of more raw material preparation water-coal-slurry products - Google Patents
A kind of system of more raw material preparation water-coal-slurry products Download PDFInfo
- Publication number
- CN208200860U CN208200860U CN201721726994.0U CN201721726994U CN208200860U CN 208200860 U CN208200860 U CN 208200860U CN 201721726994 U CN201721726994 U CN 201721726994U CN 208200860 U CN208200860 U CN 208200860U
- Authority
- CN
- China
- Prior art keywords
- coal
- strong shear
- water
- slurry
- feed inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The utility model provides a kind of system of more raw material preparation water-coal-slurry, including reforming apparatus, the first strong shear device, ultra-fine mill apparatus, crushing device, apparatus for shaping and the second strong shear device；First feedstock transportation pipeline and the second feedstock transportation pipeline are connected with the feed inlet of reforming apparatus respectively, the discharge port of reforming apparatus is connected with the feed inlet of the first strong shear device, the discharge port of first strong shear device is connected with the feed inlet of ultra-fine mill apparatus, the discharge port of ultra-fine mill apparatus is connected with the feed inlet of apparatus for shaping and the second strong shear device respectively, the discharge port of apparatus for shaping is connected with the feed inlet of the second strong shear device, the second strong shear device output water-coal-slurry；Raw coal transfer pipeline is connected with the feed inlet of crushing device, and the discharge port of crushing device is connected with the feed inlet of apparatus for shaping.The very excellent water-coal-slurry of coal slurry mobility, stability and atomization can be made using the system, and realize that the high-efficiency cleaning of sludge and coal slime utilizes.
Description
Technical field
The utility model belongs to technical field of coal chemical industry, is related to water-coal-slurry technology of preparing more particularly to a kind of more raw material systems
The system of standby water-coal-slurry product.
Background technique
Sludge as important biomass resource, have moisture is high, ash content is high, calorific value is low, surface hydrophilicity functional group is more,
The properties such as retentiveness is strong, volume is big.The domestic processing method to sludge is based on filling at present, recycling recovery energy rate
It is low, environment is caused seriously to pollute；Although it is obvious to burn decrement, sludge itself calorific value is lower, cannot directly burn.Coal slime master
Refer to the byproduct during coal preparation plant's coal washing, comes after the dehydration of the equipment such as filter press, it is viscous with high-moisture, height
The characteristics such as property, high retentiveness and low heat value.In addition to fraction is applied to civilian outer, residue is largely used to coal slurry boiler and burns
Power generation or accumulation landfill etc..
By sludge and coal slime and coal blending preparation water-coal-slurry, the investment and processing cost of Treatment of Sludge can effectively reduce, i.e.,
Using existing equipment, the cost of Treatment of Sludge is effectively reduced, for sludge and coal slime minimizing, recycling, energy
Using being of great significance.
People carried out some researchs for the technique for preparing water-coal-slurry with sludge or coal slime at present, such as:
CN103497791B discloses a kind of Novel sludge coal-water slurry and preparation method thereof, and this method comprises the following steps:
(1) it carries out municipal sludge and sludge modification agent to be mixed to get mixture, water is added into the mixture and obtains mixed liquor；Institute
The quality for stating mixed liquor is 2 times of quality of the mixture；(2) by the mixed liquor be input in fluid shock processor into
Horizontal high voltage processing, obtains modified sewage sludge；(3) feed coal is crushed to the coal dust that partial size is less than 3mm；By the coal dust, described change
Property sludge is delivered to grinding machine, and dispersing agent is added and is ground, and obtains the sludge water-coal-slurry.
CN104388137A discloses a kind of method that municipal sludge prepares high concentration sludge coal slurry, and this method includes as follows
Process: firstly, charcoal is used to carry out for the sludge conditioner of primary raw material to the raw sewage that municipal sewage plant is not dehydrated
It is quenched；Then, sludge stands progress gravity concentration dehydration in 20~60 minutes after will be quenched, and supernatant is discharged, and obtains thickened sludge；
Finally, thickened sludge and coal, additive are mixed in a certain ratio, and thickened sludge dry weight account for sludge coal slurry solid content 10~
18%, ball milling makes the partial size of solid particle be less than 0.1mm, wherein≤75 μm of partial size accounts for 70-80%, high concentration sludge is made
Coal slurry.
CN106085524A discloses a kind of preparation method of gasification water-coal-slurry.The preparation method includes: step S1, right
Coal slime is diluted with water, and coal slirne is obtained；Step S2, into coal slirne, coal and water mixing, obtain mixing coal slurry；Step
S3 grinds mixing coal slurry, obtains gasification water-coal-slurry.Coal slirne is prepared by that first to coal slime will be diluted with water
It is easy to implement transport, mixing coal slurry is then prepared by mixing by addition coal and water again, gasification can be obtained finally by grinding
Use water-coal-slurry.
However, that all there is the particle-size distribution of coal-water slurry of preparation is uneven, stability is poor, energy consumption is high, Bu Nengtong for the above method
When be adapted to gasification and the problems such as fuel coal water slurry, it is difficult to realize the extensive resource utilization of sludge and coal slime.Therefore, it develops
More excellent not only has economic benefit with the system and method for coal blending preparation water-coal-slurry using sludge and coal slime, simultaneously
Also there is good environmental benefit, be the research emphasis of this field.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model prepares water coal providing a kind of more raw materials
The system for starching product, is adulterated especially with sludge, coal slime and coal, and more raw materials prepare system and the place of novel water-coal-slurry product
Reason method.The system of the utility model is simple, easily realize, stability is high, low energy consumption, parameter adjustment is easy, is able to achieve serialization
Production, mobility, the stability of water-coal-slurry product that the preparation of fuel coal water slurry or gasified coal water slurry can be applicable in simultaneously, and obtained
It is significantly enhanced with physical and chemical performance.Moreover, the method for the utility model has many advantages, such as that process is simple, small investment is real
The high-efficiency cleaning for having showed sludge and coal slime utilizes, economical and environmentally friendly remarkable benefit.
In order to achieve the above object, the utility model uses following technical scheme:
The utility model provides a kind of system of more raw material preparation water-coal-slurry, and the system comprises reforming apparatus, the last the first
Power shear, ultra-fine mill apparatus, crushing device, apparatus for shaping and the second strong shear device；Wherein, the first feed line
Road and the second feedstock transportation pipeline are connected with the feed inlet of reforming apparatus respectively, the discharge port of reforming apparatus and the first strong shear
The feed inlet of device is connected, and the discharge port of the first strong shear device is connected with the feed inlet of ultra-fine mill apparatus, ultra-fine mill apparatus
Discharge port be connected respectively with the feed inlet of apparatus for shaping and the second strong shear device, the discharge port of the apparatus for shaping and
The feed inlet of two strong shear devices is connected, the second strong shear device output water-coal-slurry product；
Raw coal transfer pipeline is connected with the feed inlet of crushing device, the discharge port of crushing device and apparatus for shaping (5) into
Material mouth is connected.
System described in the utility model is used cooperatively using raw coal, sludge and optional coal slime, plurality of raw materials, and by shaping
A small amount of production water and additive are added in corase grinding and Ultrafine Grinding optimum organization, finally obtain high quality water coal slurry product, coal slurry flowing
Property, stability and atomization greatly improve, and the high-efficiency cleaning for realizing sludge and coal slime utilizes.
Strong shear in the utility model, in the first strong shear device (2) and the second strong shear device (6)
Refer both to shear rate be 130r/min~180r/min, such as 130r/min, 135r/min, 140r/min, 150r/min,
160r/min, 170r/min, 175r/min or 180r/min etc., it is not limited to cited numerical value, in the numberical range
Other unlisted numerical value are equally applicable.
In the utility model, the Ultrafine Grinding in the ultra-fine mill apparatus (3) points out that granularity is at 0.075mm below in material
Grain accounting >=70wt% in discharging, such as 70%, 75%, 80%, 85%, 90%, 95% or 100% etc., but simultaneously not only limit
It is equally applicable in other unlisted numerical value in cited numerical value, the numberical range.
In the utility model, the apparatus for shaping (5) makes granularity≤2.5mm of the material, such as 2.5mm, 2mm,
1.5mm, 1mm, 0.5mm or 0.01mm etc., it is not limited to cited numerical value, other interior unlisted numbers of the numberical range
It is worth equally applicable.
Preferably, the ultra-fine mill apparatus (3) is vertical grinding form and/or horizontal grinding form.
Preferably, apparatus for shaping (5) the setting water and additive adding mouth.
Preferably, reforming apparatus (1) the setting water and additive adding mouth.
Preferably, the reforming apparatus (1) is alkaline modification system, ultrasonically-modified system, pressurization homogenization reforming system
Or any one in heat modification system.
System provided by the utility model can be applicable in the preparation of fuel coal water slurry and gasified coal water slurry, the scope of application simultaneously
Extensively, prospects for commercial application is good.
The utility model additionally provides the processing method of the system, comprising the following steps:
(1) raw coal is sent into crushing system by raw coal transfer pipeline and is crushed, obtain material A；
(2) sludge, optional coal slime, water, additive are passed through into the first feedstock transportation pipeline, the second feed line respectively
Road, water adding mouth and additive adding mouth are sent into reforming apparatus, are modified, are then transferred to again from the discharge port of reforming apparatus
In first strong shear device, strong shear obtains material B；
(3) material B is transferred in ultra-fine mill apparatus from the discharge port of the first strong shear device, carries out Ultrafine Grinding, obtains
Material C；
(4) material A, partial material C, water and additive are passed through into the discharge port of crushing device, ultra-fine mill apparatus respectively
Discharge port, water adding mouth and additive adding mouth be sent into apparatus for shaping, carry out shaping corase grinding, obtain material D；
(5) material D and surplus material C are transferred to from the discharge port of apparatus for shaping and ultra-fine mill apparatus discharge port respectively
In two strong shear devices, by strong shear after mixing, water-coal-slurry product is obtained.
In the utility model, step (4) the partial material C and step (5) described surplus material C are considered as an entirety,
Its quality summation is the quality of whole material C, therefore " the partial material C " and " surplus material C " belong to clear statement.
As the preferred technical solution of the utility model, the second strong shear system (6) also comprising one with it is ultra-fine
The discharge port of the feed inlet connection of mill apparatus (3).It is possible thereby to realize following steps: the water coal that a part of step (5) is obtained
Slurry product mixes with the material B back to step (3) and carries out Ultrafine Grinding.The water-coal-slurry that a part of step (5) obtains produces
The quality of product accounts for 0wt%~30wt% of the total water-coal-slurry product of step (5), for example, 0wt%, 5wt%, 10wt%, 15wt%,
20wt%, 25wt% or 30wt% etc., it is not limited to cited numerical value, other interior unlisted numerical value of the numberical range
It is equally applicable.
As the preferred technical solution of the utility model, the sludge butt amount be raw coal butt amount 0.01wt%~
20wt%, for example, 0.01wt%, 0.1wt%, 0.5wt%, 1wt%, 2wt%, 4wt%, 6wt%, 8wt%, 10wt%,
12wt%, 14wt%, 16wt%, 18wt% or 20wt% etc., it is not limited to cited numerical value, in the numberical range its
His unlisted numerical value is equally applicable.
Preferably, optional coal slime butt amount be raw coal butt amount 0wt%~60wt%, such as 0wt%, 5wt%,
10wt%, 15wt%, 20wt%, 25wt%, 30wt%, 35wt%, 40wt%, 50wt% or 60wt% etc., coal slime butt amount
0wt% for raw coal butt amount refers to: not adding coal slime.It is not limited to cited numerical value, in the numberical range, other are not
The numerical value enumerated is equally applicable.
In the utility model, " optional coal slime " refers to: can add coal slime, can not also add coal slime.
As the preferred technical solution of the utility model, the modification includes alkaline modification, ultrasonically-modified, pressurization
Any a kind or at least two kinds of of combination in homogeneous modification or heat modification, typical but non-limiting combinations are alkaline modification and surpass
The modified combination of sound wave, the ultrasonically-modified combination modified with pressurization homogenization are alkaline modification, ultrasonically-modified and heat modification
Combination etc..
The effect of modification is that after modification, electronegativity is enhanced sludge, and pore structure is reduced,
The batting-unit structure of spatial networks is destroyed, and hydrophilic functional group is reduced.The utility model is by using modified sludge system
When standby water-coal-slurry, its influence to water-coal-slurry paste-forming properties is reduced, improves slurry concentration, viscosity in aqueous coal slurries is reduced, makes water-coal-slurry
With better stability and rheological behavior.If not taking modification, viscosity in aqueous coal slurries rising, stability decline will lead to.
As the preferred technical solution of the utility model, the method that basic treatment is carried out using alkaline modification system are as follows: will
Sludge, optional coal slime, water, additive and lye mixing, obtain modified material, wherein and the pH of the lye is 10~13,
Such as pH is 10,10.5,11,11.5,12,12.5 or 13 etc., preferably 10, it is not limited to cited numerical value, the number
It is equally applicable to be worth other unlisted numerical value in range.
Preferably, the lye is to prepare lye or alkaline waste liquor.
As the preferred technical solution of the utility model, ultrasonically-modified method is carried out using supersonic modifying system are as follows:
Sludge, optional coal slime, water and additive are mixed, ultrasonic oscillation mixing is carried out, obtains modified material.
As the preferred technical solution of the utility model, the modified side of pressurization homogenization is carried out using pressurization homogenization reforming system
Method are as follows: sludge, optional coal slime, water and additive are mixed, pressurization homogenization is carried out under the pressure condition of 30MPa~60MPa
It is modified, obtain modified material；Wherein, the pressure condition can be 30MPa, 35MPa, 40MPa, 45MPa, 50MPa, 55MPa
Or 60MPa etc., preferably 50MPa, it is not limited to cited numerical value, other interior unlisted numerical value of the numberical range are same
Sample is applicable in.
The homogeneous, which refers to, is squeezing the feed liquid of material, keeps material thin under the triple role that thump is expanded with decompression
Change, to enable material being mutually mixed more evenly.
As the preferred technical solution of the utility model, the method that heat modification is carried out using heat modification system are as follows: will
Sludge, optional coal slime, water and additive mixing, heat under 40 DEG C~60 DEG C of heating temperature, obtain modified material；Its
In, the heating temperature can be 40 DEG C, 45 DEG C, 50 DEG C, 55 DEG C or 60 DEG C etc., it is not limited to cited numerical value, the number
It is equally applicable to be worth other unlisted numerical value in range.
As the preferred technical solution of the utility model, the broken granularity≤6mm of step (1) raw coal, such as 6mm,
5.6mm, 5mm, 4.4mm, 4mm, 3.5mm, 3mm, 2mm, 1mm or 0.05mm etc., it is not limited to cited numerical value, the number
It is equally applicable to be worth other unlisted numerical value in range.
Preferably, step (4) the partial material C are as follows: partial material C accounts for 5wt%~95wt% of material C ratio, example
Such as 5wt%, 10wt%, 20wt%, 30wt%, 40wt%, 50wt%, 60wt%, 70wt%, 80wt%, 90wt% or
95wt% etc., it is not limited to cited numerical value, other interior unlisted numerical value of the numberical range are equally applicable.
Preferably, step (2) by the gross mass of the sludge and optional coal slime for 100wt% in terms of, the additive
Additive amount be 0.1wt%~1wt%, such as 0.1wt%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%,
0.7wt%, 0.8wt%, 0.9wt% or 1wt% etc., it is not limited to cited numerical value, in the numberical range, other are not
The numerical value enumerated is equally applicable.
Preferably, step (4) by the material A gross mass for 100wt% in terms of, the additive amount of the additive is
0.1wt%~1wt%, for example, 0.1wt%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt%,
0.8wt%, 0.9wt% or 1wt% etc., it is not limited to cited numerical value, other interior unlisted numbers of the numberical range
It is worth equally applicable.
Preferably, additive described in step (2) and step (4) include naphthalene sulfonic acid-formaldehyde condensation product, lignosulfonates,
Any a kind or at least two kinds of of combination in sulfamate, polycarboxylic acids or aliphatic compound, typical but non-limiting combinations
For the combination of naphthalene sulfonic acid-formaldehyde condensation product and lignosulfonates, the combination of sulfamate and polycarboxylic acids, naphthalenesulfonateformaldehyde formaldehyde contracting
Close object, lignosulfonates and combination of aliphatic compound etc.；Preferably naphthalene sulfonic acid-formaldehyde condensation product and/or lignin sulfonic acid
Salt, " naphthalene sulfonic acid-formaldehyde condensation product and/or the lignosulfonates " refer to: can be naphthalene sulfonic acid-formaldehyde condensation product, Ke Yiwei
Lignosulfonates, or naphthalene sulfonic acid-formaldehyde condensation product and lignosulfonates.
In the utility model, it is using the effect of additive: improves the hydrophily on coal surface and the stability of water-coal-slurry.
Preferably, raw coal described in step (1) is 55wt%~70wt% using the slurry concentration of traditional handicraft, such as:
55wt%, 60wt%, 65wt% or 70wt% etc., it is not limited to cited numerical value, interior other of the numberical range are not arranged
The numerical value of act is equally applicable.
For traditional handicraft, sludge and coal slime is added, the concentration of water-coal-slurry product can be reduced under normal circumstances, made
Concentration reduces by 2%~8%；And using the system of the utility model and cooperate this technique, it is dense to being slurried after addition sludge and coal slime
Degree influences less, and concentration reduces amplitude 1% hereinafter, can also even improve the concentration of water-coal-slurry, and concentration increasing degree is reachable
3%.
The method that a kind of more raw materials prepare novel water-coal-slurry product, preparation water-coal-slurry is widely used, both as gasification
With water-coal-slurry, fuel water-coal-slurry also can be used as.
The water-coal-slurry prepared using method described in the utility model, mobility are tested using the liquidity scale, surely
Qualitative use tests syneresis rate after placing 8 hours (syneresis rate is lower, and water coal slurry stability is better), the results showed that this two
Item technical indicator water-coal-slurry product all more resulting than use single rod mill or ball milling pulping process preparation water-coal-slurry has larger improvement.
Compared with the prior art, the utility model has the following beneficial effects:
(1) system of the utility model is simple, easily realize, stability is high, low energy consumption, parameter adjustment is easy, the company of being able to achieve
Continuous metaplasia produces.It is used cooperatively by using raw coal, sludge and optional coal slime, plurality of raw materials, and by shaping corase grinding and Ultrafine Grinding
A small amount of production water and additive are added in optimum organization, finally obtain high quality water coal slurry product, coal slurry mobility, stability and
Atomization greatly improves, and the high-efficiency cleaning for realizing sludge and coal slime utilizes.
(2) when preparing gasified coal water slurry, part coal slurry passes through Ultrafine Grinding, since coarse granule and fine particle fraction are moderate,
Fine grained is filled into coarse granule hole, and the packing efficiency of water-coal-slurry is improved.Method described in the utility model by adjusting
Each parameter can optimize the gradation effect of product.Gasification is starched, it can be by particle size range in water-coal-slurry product in 0.075mm
The granule content of~0.45mm is reduced to 30%~40%, particle size range≤0.075mm granule content is increased to 40%~
50%；For fuel paste, particle size range≤0.075mm granule content in water-coal-slurry product can be increased to 70% or more,
Effect is much better than traditional handicraft.
(3) the grain size distribution technique of the utility model can reduce sludge and coal slime to slurry concentration and coal slurry quality
It influences.Meanwhile herein described method greatly improves water-coal-slurry mobility, stability and atomization.
(4) when preparing fuel coal water slurry, since raw coal carries out Ultrafine Grinding again after shaping is roughly ground, reaching same grain
When spending, production energy consumption is greatly reduced.Fuel water-coal-slurry is prepared using method described in the utility model, can guarantee water coal
Production energy consumption is reduced by 10%~60% on the basis of slurry product quality.
(5) method and process described in the utility model is simple, is suitable for sludge of different nature and coal slime, and low energy consumption, can be real
Existing continuous production, parameter adjustment is efficient and convenient, can rationally solve sludge and the extensive Utilizing question of coal slime.It is practical new using this
The high-concentration coal-water slurry good quality of product of the system preparation of type, rational size distribution have preferable stability, mobility
It is widely used with good atomizing effect, it is both used as gasification water-coal-slurry, fuel water-coal-slurry is also can be used as, can greatly improve
The transformation efficiency of material combusting and gasification can rationally solve sludge and the extensive Utilizing question of coal slime.
Detailed description of the invention
Fig. 1 is the system structure signal that a kind of more raw materials described in the utility model embodiment 1 prepare novel water-coal-slurry product
Figure, wherein 1- reforming apparatus, 2- the first strong shear device, the ultra-fine mill apparatus of 3-, 4- crushing device, 5- apparatus for shaping, 6- the
Two strong shear devices.
Specific embodiment
For the utility model is better described, it is easy to understand the technical solution of the utility model, below to the utility model
It is further described.But following embodiments is only the simple example of the utility model, does not represent or limits and is originally practical
Novel rights protection scope, scope of protection of the utility model are subject to claims.
The utility model provides a kind of method that more raw materials prepare novel water-coal-slurry product, and the method includes following steps
It is rapid:
(1) material A is obtained after being crushed raw coal；
(2) sludge, optional coal slime, water, additive are handled after modification using strong shear together
To material B；
(3) material B ultrasound fine grinding is obtained into material C；
(4) by material A and partial material C, shaping roughly grinds to obtain material D together with water, additive；
(5) product is obtained by strong shear after mixing material D and surplus material C.
Preferably, the product that part steps (5) obtain mixes with the material B back to step (3) and carries out Ultrafine Grinding.
In the utility model, step (4) the partial material C and step (5) described surplus material C are considered as an entirety,
Its quality summation is the quality of whole material C, therefore " the partial material C " and " surplus material C " belong to clear statement.
The typical but non-limiting embodiment the following are the utility model:
Embodiment 1
The system and its processing method for present embodiments providing a kind of more raw material preparation water-coal-slurry products, the system comprises
Reforming apparatus 1) the first strong shear device 2, ultra-fine mill apparatus 3, crushing device 4, apparatus for shaping 5 and the second strong shear device
6；Wherein, the first feedstock transportation pipeline and the second feedstock transportation pipeline are connected with the feed inlet of reforming apparatus 1 respectively, reforming apparatus
1 discharge port is connected with the feed inlet of the first strong shear device 2, and the discharge port and Ultrafine Grinding of the first strong shear device 2 fill
It sets 3 feed inlet to be connected, the discharge port of ultra-fine mill apparatus 3 feed inlet with apparatus for shaping 5 and the second strong shear device 6 respectively
It is connected, the discharge port of the apparatus for shaping 5 is connected with the feed inlet of the second strong shear device 6, and the second strong shear device 6 produces
Water-coal-slurry product out；
Raw coal transfer pipeline is connected with the feed inlet of crushing device 4, the discharge port of crushing device 4 and apparatus for shaping 5 into
Material mouth is connected.
Wherein, the second strong shear system 6 also includes a discharging connecting with the feed inlet of ultra-fine mill apparatus 3
Mouthful, it is 130r/min that the strong shear in the first strong shear device 2 and the second strong shear device 6, which refers both to shear rate,
~180r/min；Ultrafine Grinding in the ultra-fine mill apparatus 3 points out that granularity accounts in discharging in 0.075mm particle below in material
Than >=70wt%；Water and additive adding mouth is arranged in the apparatus for shaping 5；Reforming apparatus (1) the setting water and additive add
Add mouth.
The processing method of the system the following steps are included:
(1) after raw coal being crushed using crushing device 4 obtain granularity≤6mm material A；
(2) by sludge and coal slime and water, naphthalene sulfonate and pH be 10 the waste liquid containing sodium hydroxide with 10:25:2:0.02:
It is carried out in 8 ratio addition reforming system 1 mixed and modified.Wherein, sludge butt amount is the 5% of raw coal butt amount, coal slime butt
Amount is the 37.5% of raw coal butt amount.It is transferred in the first strong shear device 2 again and handles to obtain by 165r/min strong shear
Material B；
(3) material B is transferred in ultra-fine mill apparatus 3, obtains the object that granularity≤0.075mm particle is 85% by Ultrafine Grinding
Expect C；
It (4) is that 58:63.6:13:0.25 is added to together with ratio by material A, 80%wt material C and water, naphthalene sulfonate
In apparatus for shaping 5, roughly grind to obtain material D by shaping；
(5) material D and surplus material C (i.e. the material C of 20%wt) are transferred in the second strong shear device 6, after mixing
Product, i.e. water-coal-slurry product are obtained by 150r/min strong shear；
Wherein, raw coal uses Shaanxi Fugu jet coal, and sludge uses Shandong municipal sludge, and coal slime uses Shandong coal preparation plant
Coal slime.
Wherein, moisture is 75wt%, the polyacrylamide containing 40ppm in municipal sludge；The full water M of coal slimetFor
25.4wt%, analysis water MadFor 1.36wt%, ash content AadFor 19.16wt%, volatile matter VdafFor 39.11wt%；Jet coal is complete
Water MtFor 15.2wt%, analysis water MadFor 9.14wt%, ash content AadFor 15.12wt%, volatile matter VdafFor 36.37wt%.Long flame
It is 63% that coal tradition single rod, which grinds sizing process highest slurry concentration,；Coal slurry the liquidity scale test reference cement " GB/T8077-
2012 Methods for testing uniformity of concrete admixture " " flowing degree of net paste of cement " test method in professional standard, as a result
12cm；The index of stability of coal slurry test is syneresis rate after placing 8 hours, as a result 40%.
Through detecting, the concentration of products obtained therefrom is 62.5%, the liquidity scale 18cm, and stability is to analyse after placing 8 hours
Water rate 10%.
Fig. 1 is that a kind of more raw materials of the present embodiment prepare the system structure diagram of novel water-coal-slurry product, wherein 1- changes
Property device, 2- the first strong shear device, the ultra-fine mill apparatus of 3-, 4- crushing device, 5- apparatus for shaping, the second strong shear of 6- dress
It sets.
Embodiment 2
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: where raw coal uses Shaanxi mind mansion area dross coal, and sludge uses a certain chemical plant in Anhui
Sludge.
Wherein, moisture is 90wt%, the full water M of dross coal in sludgetFor 10.6wt%, analysis water MadFor 3.21wt%, ash
Divide AadFor 8.33wt%, volatile matter VdafFor 39.69wt%.Dross coal tradition ball milling pulping process highest slurry concentration is 65%；
Coal slurry the liquidity scale is 14cm；The index of stability of coal slurry test is syneresis rate after placing 8 hours, as a result 15%.
Specific implementation method are as follows:
(1) granularity≤3mm material A is obtained after being crushed raw coal；
(2) sludge and water, lignosulfonates are mixed with 10:10:0.01 ratio.Wherein, sludge butt amount is raw coal
The 1% of butt amount is heated to 60 DEG C, handles to obtain material B using 140r/min strong shear；
(3) product of material B and 15wt% are obtained into the material C that granularity≤0.075mm particle is 90% by Ultrafine Grinding；
(4) material A, 75wt% material C and water, lignosulfonates are that 102:73.37:13:0.5 passes through together with ratio
Shaping roughly grinds to obtain material D；
(5) product is obtained by 150r/min strong shear after material D and surplus material C mixing.
The concentration of products obtained therefrom is 65%, the liquidity scale 17cm, and stability is syneresis rate 5% after placing 8 hours.
Embodiment 3
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: where raw coal uses Shaanxi Fugu jet coal, and sludge uses Shandong municipal sludge, coal slime
Use Shandong coal preparation plant coal slime.
Wherein, moisture is 75%wt%, the full water M of coal slime in municipal sludgetFor 25.4wt%, analysis water MadFor
1.36wt%, ash content AadFor 19.16wt%, volatile matter VdafFor 39.11wt%；The full water M of jet coaltFor 15.2wt%, analysis water
MadFor 9.14wt%, ash content AadFor 15.12wt%, volatile matter VdafFor 36.37wt%.Jet coal tradition single rod grinds sizing process
Highest slurry concentration is 63%；Coal slurry the liquidity scale test reference cement " GB/T8077-2012 concrete admixture homogeneity
Test method " " flowing degree of net paste of cement " test method in professional standard, as a result 12cm；The index of stability of coal slurry test
It is syneresis rate after placement 8 hours, as a result 40%.
Specific implementation method are as follows:
(1) granularity≤6mm material A is obtained after being crushed raw coal；
(2) by sludge and coal slime and water, additive lignosulfonates and pH be 13 the waste liquid containing sodium hydroxide with 10:
30:2:0.02:8 ratio mixes.Wherein, sludge butt amount is the 20wt% of raw coal butt amount, and coal slime butt amount is raw coal butt
The 60wt% of amount.It handles to obtain material B using 130r/min strong shear；
(3) product of material B and 30wt% are obtained into the material C that granularity≤0.075mm particle is 90% by Ultrafine Grinding；
(4) by material A, 95%wt material C and water, additive lignosulfonates with ratio be 44:38:59:0.20 mono-
It rises and roughly grinds to obtain material D by shaping；
(5) product is obtained by 130r/min strong shear after mixing material D and surplus material C.
The concentration of products obtained therefrom is 62%, the liquidity scale 16cm, and stability is syneresis rate 7% after placing 8 hours.
Embodiment 4
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: where raw coal uses Shaanxi Fugu jet coal, and sludge uses Shandong municipal sludge, coal slime
Use Shandong coal preparation plant coal slime.
Wherein, moisture is 75%wt%, the polyacrylamide for being 40ppm containing mass fraction in municipal sludge；Coal slime is complete
Water MtFor 25.4wt%, analysis water MadFor 1.36wt%, ash content AadFor 19.16wt%, volatile matter VdafFor 39.11wt%；Long flame
The full water M of coaltFor 15.2wt%, analysis water MadFor 9.14wt%, ash content AadFor 15.12wt%, volatile matter VdafFor 36.37wt%.
It is 63% that jet coal tradition single rod, which grinds sizing process highest slurry concentration,；Coal slurry the liquidity scale test reference cement " GB/
T8077-2012 Methods for testing uniformity of concrete admixture " " flowing degree of net paste of cement " test method in professional standard, knot
Fruit is 12cm；The index of stability of coal slurry test is syneresis rate after placing 8 hours, as a result 40%.
Specific implementation method are as follows:
(1) granularity≤6mm material A is obtained after being crushed raw coal；
(2) waste liquid containing sodium hydroxide for being 13 by sludge and coal slime and water, additive naphthalene sulfonic acid-formaldehyde condensation product and pH
With the mixing of 0.005:30:2:0.02:8 ratio, wherein sludge butt amount is the 0.01wt% of raw coal butt amount, and coal slime butt amount is
The 60wt% of raw coal butt amount.It handles to obtain material B using 180r/min strong shear；
(3) material B is obtained into the material C that granularity≤0.075mm particle is 95% by Ultrafine Grinding；
(4) it is 58:3.98:13 with ratio by material A, 5%wt material C and water, additive naphthalene sulfonic acid-formaldehyde condensation product:
0.25 roughly grinds to obtain material D by shaping together；
(5) product is obtained by 180r/min strong shear after mixing material D and surplus material C.
The concentration of products obtained therefrom is 65%, the liquidity scale 20cm, and stability is syneresis rate 2% after placing 8 hours.
Embodiment 5
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: containing sludge and coal slime and water, additive sulfamate and pH for 13 in step (2)
The waste liquid of sodium hydroxide is with the mixing of 10:25:2:0.02:8 ratio.
The concentration of products obtained therefrom is 63%, the liquidity scale 16cm, and stability is syneresis rate 6% after placing 8 hours.
Embodiment 6
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: by sludge and coal slime and water, additive polycarboxylic acids with 10:25:2:0.02 ratio in step (2)
After example mixing, ultrasonic oscillation mixing is carried out.
The concentration of products obtained therefrom is 63%, the liquidity scale 18cm, and stability is syneresis rate 10% after placing 8 hours.
Embodiment 7
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Structure is referring to embodiment 1, and difference is: step is heated to 40 DEG C in (2).
The concentration of products obtained therefrom is 65%, the liquidity scale 19cm, and stability is syneresis rate 5% after placing 8 hours.
Embodiment 8
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: sludge and water, additive aliphatic compound are mixed with 10:10:0.01 ratio in step (2)
It closes.Wherein, sludge butt amount is the 20wt% of raw coal butt amount.It is modified by 50MPa pressurization homogenization, it is strong using 150r/min
Power shear treatment obtains material B.
The concentration of products obtained therefrom is 64%, the liquidity scale 17cm, and stability is syneresis rate 7% after placing 8 hours.
Embodiment 9
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: step (2) is modified by 30MPa pressurization homogenization.
The concentration of products obtained therefrom is 64%, the liquidity scale 16cm, and stability is syneresis rate 10% after placing 8 hours.
Embodiment 10
Present embodiments provide the system and its processing method of a kind of more raw material preparation water-coal-slurry products, the knot of the system
Referring to embodiment 1, difference is structure: step (2) is modified by 60MPa pressurization homogenization.
The concentration of products obtained therefrom is 64.5%, the liquidity scale 19cm, and stability is syneresis rate 5% after placing 8 hours.
Comparative example 1
Referring to embodiment 1, difference is specific method: reforming system, and step (2) are not contained in the system of this comparative example
In directly sludge and coal slime and water, additive are mixed with the ratio of 10:25:2:0.02, and without alkaline modification.
The concentration of products obtained therefrom is 62%, the liquidity scale 12cm, and stability is syneresis rate 10% after placing 8 hours.
Comparative example 2
Referring to embodiment 2, difference is specific method: reforming system, and step (2) are not contained in the system of this comparative example
In without heating.
The concentration of products obtained therefrom is 63.5%, the liquidity scale 12.5cm, and stability is syneresis rate after placing 8 hours
9%.
Comparative example 3
Referring to embodiment 6, difference is specific method: reforming system, and step (2) are not contained in the system of this comparative example
In without ultrasonic oscillation mix.
The concentration of products obtained therefrom is 62%, the liquidity scale 12cm, and stability is syneresis rate 12% after placing 8 hours.
Comparative example 4
Referring to embodiment 8, difference is specific method: reforming system, and step (2) are not contained in the system of this comparative example
In it is modified without pressurization homogenization.
The concentration of products obtained therefrom is 63.5%, the liquidity scale 12cm, and stability is syneresis rate after placing 8 hours
10%.
Comparative example 5
Specific method is referring to embodiment 1, and difference is: this comparative example replaces with the ultra-fine mill apparatus in system common
Grinding device does not use Ultrafine Grinding then, only carries out common grinding in step (3).
The concentration of products obtained therefrom is 61%, the liquidity scale 12cm, and stability is syneresis rate 30% after placing 8 hours.
Comparative example 6
Referring to embodiment 1, difference is specific method: this comparative example will not contain apparatus for shaping in system, then step (4)
In without shaping roughly grind.
The concentration of products obtained therefrom is 61%, the liquidity scale 14cm, and stability is syneresis rate 10% after placing 8 hours.
Comparative example 7
Specific method is referring to embodiment 1, and difference is: by the first strong shear device and second in the system of this comparative example
Strong shear device replaces with the shearing of common 60r/min, then without strong shear in step (2) and step (5), only
Carry out the common shearing that shear rate is 60r/min.
The concentration of products obtained therefrom is 63.5%, the liquidity scale 14cm, and stability is syneresis rate after placing 8 hours
10%.
It can be seen that embodiment with comparative example based on the above embodiments and use system and method described in the utility model,
It is obtained more by mixing sludge and coal slime with the raw coal by corase grinding and Ultrafine Grinding after the processing of modified and strong shear
Raw material water-coal-slurry mobility, in terms of greatly improve, be able to satisfy fuel paste burning and gasification slurry gasification requirement.
In addition, system described in the utility model is simple, easily realize, stability is high, parameter adjustment is easy, is able to achieve serialization
Production, can rationally solve sludge and the extensive Utilizing question of coal slime.
Comparative example does not carry out the various modifications using system described in the utility model due to not having, or
Person does not use shaping corase grinding, Ultrafine Grinding or strong shear, or uses traditional handicraft and be unable to reach said effect.
The Applicant declares that the utility model illustrates the detailed process equipment and work of the utility model through the foregoing embodiment
Skill process, but the utility model is not limited to above-mentioned detailed process equipment and process flow, that is, does not mean that the utility model
Above-mentioned detailed process equipment and process flow, which must be relied on, to be implemented.It should be clear to those skilled in the art, right
Any improvement of the utility model, the addition of equivalence replacement and auxiliary element to each raw material of the utility model product, specific side
The selection etc. of formula, all falls within the protection scope of the utility model and the open scope.
Claims (9)
1. a kind of system of more raw material preparation water-coal-slurry products, which is characterized in that the system comprises reforming apparatus (1), first
Strong shear device (2), ultra-fine mill apparatus (3), crushing device (4), apparatus for shaping (5) and the second strong shear device (6)；Its
In, the first feedstock transportation pipeline and the second feedstock transportation pipeline are connected with the feed inlet of reforming apparatus (1) respectively, reforming apparatus
(1) discharge port is connected with the feed inlet of the first strong shear device (2), the discharge port of the first strong shear device (2) and super
The feed inlet of fine grinding device (3) is connected, the discharge port of ultra-fine mill apparatus (3) respectively with apparatus for shaping (5) and the second strong shear
The feed inlet of device (6) is connected, and the discharge port of the apparatus for shaping (5) is connected with the feed inlet of the second strong shear device (6),
Second strong shear device (6) output water-coal-slurry product；
Raw coal transfer pipeline is connected with the feed inlet of crushing device (4), discharge port and apparatus for shaping (5) of crushing device (4)
Feed inlet is connected.
2. system according to claim 1, which is characterized in that the second strong shear system (6) also comprising one with
The discharge port of the feed inlet connection of ultra-fine mill apparatus (3).
3. system according to claim 1, which is characterized in that the first strong shear device (2) and the second forced shears
It is 130r/min~180r/min that strong shear in cutting apparatus (6), which refers both to shear rate,.
4. system according to claim 1, which is characterized in that the Ultrafine Grinding in the ultra-fine mill apparatus (3) is pointed out in material
Granularity accounting >=70wt% in discharging in 0.075mm particle below.
5. system according to claim 1, which is characterized in that the apparatus for shaping (5) make discharging granularity≤
2.5mm。
6. system according to claim 1, which is characterized in that the ultra-fine mill apparatus (3) be vertical grinding form and/or
Horizontal grinding form.
7. system according to claim 1, which is characterized in that apparatus for shaping (5) the setting water and additive adding mouth.
8. system according to claim 1, which is characterized in that reforming apparatus (1) the setting water and additive adding mouth.
9. system according to claim 1, which is characterized in that the reforming apparatus (1) is alkaline modification system, ultrasonic wave
Any one in reforming system, pressurization homogenization reforming system or heat modification system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721726994.0U CN208200860U (en) | 2017-12-12 | 2017-12-12 | A kind of system of more raw material preparation water-coal-slurry products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721726994.0U CN208200860U (en) | 2017-12-12 | 2017-12-12 | A kind of system of more raw material preparation water-coal-slurry products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208200860U true CN208200860U (en) | 2018-12-07 |
Family
ID=64490805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721726994.0U Active CN208200860U (en) | 2017-12-12 | 2017-12-12 | A kind of system of more raw material preparation water-coal-slurry products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208200860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350420A (en) * | 2022-01-17 | 2022-04-15 | 神华准格尔能源有限责任公司 | Preparation method and application of low-cost coal slime-based coal water slurry |
-
2017
- 2017-12-12 CN CN201721726994.0U patent/CN208200860U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350420A (en) * | 2022-01-17 | 2022-04-15 | 神华准格尔能源有限责任公司 | Preparation method and application of low-cost coal slime-based coal water slurry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107267235B (en) | A kind of method that more raw materials prepare novel water-coal-slurry product | |
| CN101665339B (en) | Enhanced cement composite grinding aid | |
| CN101798538B (en) | Coupling compound moulded coal binder and preparation method thereof | |
| CN104402295B (en) | A kind of enhanced cement grinding aid | |
| CN102041118A (en) | High-concentration coal water slurry preparation process | |
| CN106244266A (en) | Fractal grating technology is utilized to prepare the method for water-coal-slurry and the water-coal-slurry of preparation | |
| CN114350420B (en) | Preparation method and application of low-cost coal slime-based coal water slurry | |
| CN105885973A (en) | Novel coal water slurry preparation method and coal water slurry prepared by using same | |
| CN101747967B (en) | Industrial briquette for molten iron production and gas generator and preparation method thereof | |
| CN107640917A (en) | A kind of preparation method of high intensity foam cement | |
| CN106167362B (en) | A kind of alkaline residue water-retaining agent and the preparation method and application thereof | |
| CN208200860U (en) | A kind of system of more raw material preparation water-coal-slurry products | |
| CN204298355U (en) | A kind of preparation system of sludge water-coal-slurry | |
| CN102060461A (en) | Cement composite grinding aid and preparation method thereof | |
| CN102491672A (en) | Cement grinding aid and preparing method thereof | |
| CN101497831A (en) | Alcohol waste liquor coal liquid, and preparation and use thereof | |
| CN102585960A (en) | Preparation method of biomass derivative fuel | |
| CN101591522B (en) | Method for preparing modified corn protein adhesive and environment-friendly particle board | |
| CN109266410A (en) | A kind of slurries additive agent with grind -aiding effect | |
| CN107057788B (en) | A kind of preparation method of high-concentration coal mud | |
| CN110523309A (en) | A method of the sedimentation method of modifying of waste, reforming system and high concentration slurry is prepared using modified product | |
| CN107312581A (en) | The surface additive and its application process of a kind of biomass coal-water slurry | |
| CN107164005B (en) | A kind of water-coal-slurry and preparation method thereof | |
| CN104529230B (en) | A kind of slag micropowder Vertical Mill liquid additive and preparation method thereof | |
| CN105503008A (en) | Reinforcing type cement grinding aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |