CN110527570A - The production method and its production system of high-stability coal water slurry fuel - Google Patents
The production method and its production system of high-stability coal water slurry fuel Download PDFInfo
- Publication number
- CN110527570A CN110527570A CN201910940016.3A CN201910940016A CN110527570A CN 110527570 A CN110527570 A CN 110527570A CN 201910940016 A CN201910940016 A CN 201910940016A CN 110527570 A CN110527570 A CN 110527570A
- Authority
- CN
- China
- Prior art keywords
- tank
- slurry
- grinding machine
- dispersing agent
- finished pulp
- 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.)
- Pending
Links
- 239000002002 slurry Substances 0.000 title claims abstract description 175
- 239000003245 coal Substances 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 67
- 239000000446 fuel Substances 0.000 title claims abstract description 55
- 238000000227 grinding Methods 0.000 claims abstract description 112
- 239000002270 dispersing agent Substances 0.000 claims abstract description 93
- 239000003381 stabilizer Substances 0.000 claims abstract description 74
- 238000003860 storage Methods 0.000 claims abstract description 58
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000002817 coal dust Substances 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000000654 additive Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 16
- 230000006641 stabilisation Effects 0.000 claims description 14
- 238000011105 stabilization Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 229920001732 Lignosulfonate Polymers 0.000 claims description 4
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical class C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 239000003250 coal slurry Substances 0.000 abstract description 18
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000007792 addition Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000003801 milling Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010907 mechanical stirring Methods 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 1
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The present invention proposes the production method and its production system of a kind of high-stability coal water slurry fuel, belongs to water-coal-slurry production technical field, and the water-coal-slurry product that production obtains has preferable grain size distribution, and stability and mobility are more preferable.The production method includes the steps of determining that the total dosage of dispersing agent and the total dosage of stabilizer；Whole feed coals, water, part dispersing agent and partially stabilized dose are added in grinding machine from the arrival end of grinding machine and ground；Remaining dispersing agent is added from the outlet end of grinding machine to from the slurry that the outlet end of grinding machine is flowed out, and obtains primary slurry；Primary slurry is collected, stir and refined filtration after, be delivered in agitator tank；Remaining stabilizer is added to being mixed evenly in agitator tank with the slurry in agitator tank, second level slurry is obtained；Second level slurry pipeline steel to homogeneous tank is subjected to homogeneous curing, finished pulp is sent into finished pulp storage tank from the bottom of finished pulp storage tank and is stored.
Description
Technical field
The invention belongs to water-coal-slurry production technical field more particularly to a kind of production methods of high-stability coal water slurry fuel
And its production system.
Background technique
Coal water slurry fuel be by coal, water, a small amount of additive through being processed into have certain particle size distribution and it is good
The fluid of rheological behavior, the quality of water-coal-slurry is mainly by coal quality, additive types and dosage, coal powder size gradation and grinding method
The influence of (dry grinding and wet-milling).Wherein, additive types and dosage are determined according to coal quality, and coal powder size gradation is ground
The influence of the storehouse quantity of method, mill types and grinding machine.Thus, when coal quality, additive types, grinding method and mill types are true
After fixed, really influence water-coal-slurry quality is the adding manner of additive and the subsequent treatment process of slurry.
Additive used in water-coal-slurry mainly includes dispersing agent and stabilizer, in traditional slurries production technology,
Dispersing agent is usually mill entrance to be added together with clear water, coal, and stabilizer is then to be directly added in strong stirring tank and slurry
Body is mixed.However, the dosage of dispersing agent is to test determination according to coal paste-forming properties, it can from dispersing agent Analysis on action mechanism
Know, dispersing agent be added at one time can be substantially reduced coal, aqueous mixtures viscosity, increase mobility, but from the mechanism of action of grinding machine
Analysis reduces the chance for obtaining optimal granularity gradation, and then influence it is found that this will increase to touch pounds chance and reduce grinder meeting
The stability of water-coal-slurry.It is actually a kind of remedial measure to water coal slurry stability that stabilizer is added in strong stirring tank,
The effect of stabilizer is that water-coal-slurry is made to be more likely to be changed into thixotroping body, so as to improve the stability of water-coal-slurry, but is added steady
Determining agent but cannot fundamentally solve the problems, such as that water-coal-slurry is easily settled, and water-coal-slurry is still deposited after storing for a long time in finished pulp storage tank
In serious deposited phenomenon, even if precipitation capacity is still in the case where mechanical stirring device is arranged in the tank deck of finished pulp storage tank
It is larger, it need to frequently carry out clear tank.
Thus, the stability of coal water slurry fuel how is improved, is a current technical problem urgently to be solved.
Summary of the invention
The present invention for the above technical issues, proposes the production method and its production of a kind of high-stability coal water slurry fuel
System, the water-coal-slurry product that production obtains have preferable grain size distribution, and stability and mobility are more preferable.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
The present invention provides a kind of production methods of high-stability coal water slurry fuel, include the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) whole feed coals, water, part dispersing agent and partially stabilized dose are added in grinding machine from the arrival end of grinding machine and are carried out
Grinding；
(3) remaining dispersing agent is added from the outlet end of grinding machine to from the slurry that the outlet end of grinding machine is flowed out, is obtained
Primary slurry；
(4) primary slurry is collected, stir and refined filtration after, be delivered in agitator tank；
(5) remaining stabilizer is added to being mixed evenly in agitator tank with the slurry in agitator tank, obtains second level
Slurry；
(6) second level slurry pipeline steel to homogeneous tank is subjected to homogeneous curing, obtains finished pulp, by finished pulp from finished pulp storage tank
Bottom be sent into finished pulp storage tank stored.
Preferably, the additive amount for the dispersing agent being added in the grinding machine is that the dispersing agent is always used in step (2)
Amount 60%~95%, be added the stabilizer in the grinding machine additive amount be the total dosage of the stabilizer 10%~
30%.
Preferably, the dispersing agent includes one of naphthalene sulfonate, lignosulfonates and sulfonated humic acid or more
Kind.
Preferably, the stabilizer includes ferrous sulfate, dimethyl carbonate, sodium carboxymethylcellulose and polyacrylamide
One of or it is a variety of.
The present invention also provides a kind of production system of high-stability coal water slurry fuel, the production system uses above-mentioned
The production method of high-stability coal water slurry fuel described in one technical solution；The production system includes: coal dust surge bunker, water
Tank, dispersing agent tank, stabilizer tank, grinding machine, collection stock tank, pulp filter, agitator tank, homogeneous tank and finished pulp storage tank；The coal dust is slow
The arrival end that storehouse is connected to the grinding machine by coal dust charging gear is rushed, the water pot is connected to the grinding machine by water delivery pipe
Arrival end, the collection stock tank is set to below the outlet end of the grinding machine, the collection stock tank, pulp filter, agitator tank and homogeneous
Tank is sequentially connected by fluid-conveying pipe, and the homogeneous tank is connected to the finished pulp tank bottom by finished pulp delivery pipe；
Between the dispersing agent tank and the arrival end of grinding machine and between the dispersing agent tank and the outlet end of grinding machine, it is connected separately with
Dispersing agent delivery pipe；Between the stabilizer tank and the arrival end of the grinding machine and between the stabilizer tank and agitator tank,
It is connected separately with stabilizer delivery pipe.
Preferably, the finished pulp delivery pipe includes sequentially connected straight pipe and ring pipe section, the straight pipe connection
In the homogeneous tank, the ring pipe section is sheathed on outside the finished pulp storage tank, and the ring pipe section is equipped with described in multiple be connected to
The finished pulp delivery port of finished pulp tank bottom side wall, each finished pulp delivery port are equipped with control valve, it is multiple it is described at
Product slurry delivery port is distributed in the ring pipe section.
Preferably, the grinding machine is double storehouses grinding machine.
Preferably, the coal dust charging gear includes the vibration feed for the discharge outlet for being set to the coal dust surge bunker
Machine, and it is set to the weighing belt below the vibrating feeder outlet end, the feed end of the weighing belt is given with the vibration
Material machine outlet end is correspondingly arranged, and the discharge end of the weighing belt and the arrival end of the grinding machine are correspondingly arranged.
Preferably, being parallel with slurry conveying shunt valve between the fluid-conveying pipe of the pulp filter two sides connection.
Preferably, the water delivery pipe, dispersing agent delivery pipe and stabilizer delivery pipe are respectively arranged with metering pump；Even
Be connected to it is described collection stock tank fluid-conveying pipe on, on the fluid-conveying pipe between the agitator tank and homogeneous tank and it is described at
Product are starched in delivery pipe, and slurry delivery pump is respectively arranged with.
Compared with prior art, the advantages and positive effects of the present invention are:
1, the production method of high-stability coal water slurry fuel provided by the invention, by dispersing agent and stabilizer addition side
The adjustment of formula, the mode that cooperation finished pulp is sent into from the bottom of finished pulp storage tank, in coal, dispersing agent and stabilizer types and use
Under conditions of amount, mill types are all the same, the mobility and stability of the water-coal-slurry product of acquisition are more preferable, and production cost is more
It is low；
2, in the production method of high-stability coal water slurry fuel provided by the invention, dispersing agent by grinding machine arrival end and go out
Two sections of additions are divided at mouth end, compared to the adding manner that dispersing agent in traditional handicraft is all added by mill entrance end, dispersing agent point
Two sections of adding manner can be such that the dispersing agent entered in grinding machine reduces, and on the one hand control the flowing velocity of slurry, increase slurry
Residence time of the body in grinding machine, milling time is extended, on the other hand since viscosity increases, can reduce to touch and pound chance and increase
Add grinder meeting, creates conditions to obtain optimal granularity gradation, and remaining dispersing agent is added from the outlet end of grinding machine, can subtract
The viscosity of small slurry, the mobility for increasing slurry, to guarantee that the viscosity of slurry and mobility reach requirement；
3, in the production method of high-stability coal water slurry fuel provided by the invention, stabilizer is from mill entrance end and stirring
Two positions of tank are added, and are all added compared to stabilizer in traditional handicraft to the adding manner in agitator tank, in mill entrance
Partially stabilized dose of end addition, can properly increase the slurry viscosity in grinding machine, create advantageous item to extend slurry milling time
Part, and the remaining stabilizer being added at agitator tank, can further increase stabilizer and uniformly divide in water-coal-slurry coal particle
The effect of cloth is prepared for the slurry curing of next step homogeneous tank；
4, in the production method of high-stability coal water slurry fuel, finished pulp is sent into finished pulp storage from the bottom of finished pulp storage tank
In tank, the unstable agglomerated particle of finished pulp tank bottom can be made to restore normal condition again, it is heavy to greatly reduce tank bottom
Shallow lake amount is conducive to the stabilization for keeping coal water slurry fuel, extends the clear tank period, saved clear tank expense, moreover, storing up in finished pulp
Tank top saves equipment investment and maintenance cost without installing mechanical stirring device additional；Meanwhile finished pulp is from finished pulp storage tank
Bottom is sent into, and the outlet pressure of the screw pump of conveying progressively reaches most with the raising of liquid level in finished pulp storage tank from zero
Greatly, it is conducive to extend the service life of screw pump, finished pulp delivery pipe in existing coal water slurry fuel production system is solved and connects
In finished pulp tank top and the short problem of bring service life of screw pump.
Detailed description of the invention
Fig. 1 is the schematic diagram of the production system of high-stability coal water slurry fuel provided by the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention provided by high-stability coal water slurry fuel production system in finished pulp delivery pipe with
The connection schematic diagram of finished pulp tank bottom；
Fig. 3 is the cross-sectional view of the line A-A along Fig. 2；
In above each figure: 1, coal dust surge bunker；2, coal dust charging gear；21, vibrating feeder；22, weighing belt；3, it grinds
Machine；4, water pot；5, dispersing agent tank；6, stabilizer tank；7, collect stock tank；8, pulp filter；9, agitator tank；10, homogeneous tank；11, finished product
Starch storage tank；12, water delivery pipe；13, dispersing agent delivery pipe；14, stabilizer delivery pipe；15, fluid-conveying pipe；16, finished pulp is defeated
Send pipe；161, straight pipe；162, ring pipe section；163, finished pulp delivery port；164, control valve；17, slurry conveys shunt valve；18,
Metering pump；19, slurry delivery pump.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the invention provides a kind of production methods of high-stability coal water slurry fuel, include the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) by whole feed coals, water, part dispersing agent and partially stabilized dose from the arrival end of grinding machine 3 be added grinding machine 3 in into
Row grinding；
(3) remaining dispersing agent is added from the outlet end of grinding machine 3 to from the slurry that the outlet end of grinding machine 3 is flowed out, is obtained
To primary slurry；
(4) primary slurry is collected, stir and refined filtration after, be delivered in agitator tank 9；
(5) remaining stabilizer is added to being mixed evenly in agitator tank 9 with the slurry in agitator tank 9, obtains two
Grade slurry；
(6) second level slurry pipeline steel to homogeneous tank 10 is subjected to homogeneous curing, obtains finished pulp, finished pulp is stored up from finished pulp
The bottom of tank 11 is sent into finished pulp storage tank 11 and is stored.
Compared to the conventional production methods of coal water slurry fuel, the production method of above-mentioned high-stability coal water slurry fuel by pair
The adjustment of dispersing agent and stabilizer adding manner, the mode be sent into from the bottom of finished pulp storage tank 11 of cooperation finished pulp, coal,
Under conditions of dispersing agent and stabilizer types and dosage, 3 type of grinding machine are all the same, the mobility of the water-coal-slurry product of acquisition and steady
It is qualitative more preferable, and production cost is lower.In the production method of above-mentioned high-stability coal water slurry fuel, dispersing agent is entered by grinding machine 3
Two sections of additions are divided in mouthful end and outlet end, compared to the adding manner that dispersing agent in traditional handicraft is all added by mill entrance end,
Dispersing agent is divided to two sections of adding manner that the dispersing agent entered in grinding machine 3 can be made to reduce, and on the one hand controls the flowing speed of slurry
Degree increases residence time of the slurry in grinding machine 3, extends milling time, on the other hand since viscosity increases, can reduce and touch
It pounds chance and increases grinder meeting, create conditions to obtain optimal granularity gradation, and remaining dispersing agent is from the outlet end of grinding machine 3
It is added, the viscosity of slurry can be reduced, increase the mobility of slurry, to guarantee that the viscosity of slurry and mobility reach requirement.
Meanwhile in the production method of above-mentioned high-stability coal water slurry fuel, stabilizer is from 9 two positions of 3 arrival end of grinding machine and agitator tank
It is added, is all added compared to stabilizer in traditional handicraft to the adding manner in agitator tank, in the portion that 3 arrival end of grinding machine is added
Divide stabilizer, the slurry viscosity in grinding machine 3 can be properly increased, create favorable conditions to extend slurry milling time, and is stirring
Mix at tank the 9 remaining stabilizers being added, can further increase stabilizer to coal particle the equally distributed effect in water-coal-slurry,
It prepares for the slurry curing of next step homogeneous tank 10.In addition, in the production method of above-mentioned high-stability coal water slurry fuel, finished product
Slurry is sent into finished pulp storage tank 11 from the bottom of finished pulp storage tank 11, can make the unstable reunion of 11 bottom of finished pulp storage tank
Grain restores normal condition again, greatly reduces tank bottom precipitation capacity, is conducive to the stabilization for keeping coal water slurry fuel, extends clear
The tank period has saved clear tank expense, moreover, saving equipment without installing mechanical stirring device additional at the top of finished pulp storage tank 11
Investment and maintenance cost.Meanwhile in the production method of above-mentioned high-stability coal water slurry fuel, finished pulp is from finished pulp storage tank 11
Bottom is sent into, if liquid level is zero in tank, the initial pressure of the screw pump of conveying is also zero, as finished pulp constantly enters,
Tank level gradually rises, and the outlet pressure of screw pump is also gradually increased therewith, when liquid level rises to vertex in tank, screw pump
Pressure reach maximum, it is seen that the outlet pressure of screw pump is to progressively reach from zero maximum, is conducive to extend making for screw pump
With the service life, solve that finished pulp is sent at the top of finished pulp storage tank 11 in traditional handicraft and bring service life of screw pump is short
Problem.
In the production method of above-mentioned high-stability coal water slurry fuel, it should be noted that in step (3), remaining dispersion
Agent is specially to be added from the outlet mesh inner end of 3 outlet end of grinding machine.In step (5), remaining stabilizer is specially from stirring
The top of tank 9 is added.In step (6), the bottom of finished pulp storage tank 11 is connected with multiple finished pulp delivery ports 163, and finished pulp is defeated
When sending, a finished pulp delivery port 163 can be opened, can also open multiple finished pulp delivery ports 163, and periodically transformation open at
Product starch delivery port 163, comprehensively to be disturbed using the finished pulp of conveying to 11 bottom of finished pulp storage tank.
In a preferred embodiment, in step (2), the additive amount that the dispersing agent in grinding machine 3 is added is the total dosage of dispersing agent
60%~95%, be added grinding machine 3 in stabilizer additive amount be the total dosage of stabilizer 10%~30%.This preferred implementation
Example defines the additive amount preferred scope in the dispersing agent and stabilizer that are added in grinding machine 3, and dispersing agent and stabilizer control are upper
It states in preferred scope, the mating reaction of the two can be played, be conducive to the mobility, stability and the synthesis that improve coal water slurry fuel
Quality.
In a preferred embodiment, dispersing agent includes one of naphthalene sulfonate, lignosulfonates and sulfonated humic acid
Or it is a variety of.The specific type of dispersing agent is listed in this preferred embodiment, it is of course possible to be used to prepare the selected of coal water slurry fuel
Dispersant is not limited to above-mentioned cited several, but using the dispersing agent of mentioned kind, can prepare stabilization
Property and the better coal water slurry fuel of mobility.
In a preferred embodiment, stabilizer includes ferrous sulfate, dimethyl carbonate, sodium carboxymethylcellulose and polypropylene
One of amide is a variety of.The specific type of stabilizer is listed in this preferred embodiment, it is of course possible to be used to prepare water coal
The selected stabilizer type of slurry fuel be not limited to it is above-mentioned cited several, can but using the stabilizer of mentioned kind
Prepare stability and the better coal water slurry fuel of mobility.
In order to become apparent from the production method for introducing high-stability coal water slurry fuel provided by the embodiment of the present invention in detail,
It is described below in conjunction with specific embodiment.In following embodiment, dispersing agent is that the lignosulfonates that concentration is 10% are molten
Liquid, stabilizer are the carboxymethylcellulose sodium solution that concentration is 1.5%.In following embodiment, the feed coal of use, dispersing agent,
Stabilizer type and adding proportion are all the same.
Embodiment 1
The production method of high-stability coal water slurry fuel, includes the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) by whole feed coals, water, the dispersing agent for accounting for the total dosage 60% of dispersing agent and the steady of the total dosage 10% of stabilizer is accounted for
Determine agent to be ground out of the arrival end of grinding machine 3 addition grinding machine 3；
(3) dispersing agent of residue 40% is added from the outlet end of grinding machine 3 to the slurry flowed out from the outlet end of grinding machine 3
In, obtain primary slurry；
(4) to step (3) obtain primary slurry be collected, stir and refined filtration after, be delivered in agitator tank 9；
(5) stabilizer of residue 90% is added to being mixed evenly in agitator tank 9 with the slurry in agitator tank 9, is obtained
To second level slurry；
(6) the second level slurry pipeline steel for obtaining step (5) to homogeneous tank 10 carries out homogeneous curing, obtains finished pulp, will be at
Product slurry is sent into finished pulp storage tank 11 from the bottom of finished pulp storage tank 11 and is stored.
Embodiment 2
The production method of high-stability coal water slurry fuel, includes the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) by whole feed coals, water, the dispersing agent for accounting for the total dosage 70% of dispersing agent and the steady of the total dosage 15% of stabilizer is accounted for
Determine agent to be ground out of the arrival end of grinding machine 3 addition grinding machine 3；
(3) dispersing agent of residue 30% is added from the outlet end of grinding machine 3 to the slurry flowed out from the outlet end of grinding machine 3
In, obtain primary slurry；
(4) to step (3) obtain primary slurry be collected, stir and refined filtration after, be delivered in agitator tank 9；
(5) stabilizer of residue 85% is added to being mixed evenly in agitator tank 9 with the slurry in agitator tank 9, is obtained
To second level slurry；
(6) the second level slurry pipeline steel for obtaining step (5) to homogeneous tank 10 carries out homogeneous curing, obtains finished pulp, will be at
Product slurry is sent into finished pulp storage tank 11 from the bottom of finished pulp storage tank 11 and is stored.
Embodiment 3
The production method of high-stability coal water slurry fuel, includes the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) by whole feed coals, water, the dispersing agent for accounting for the total dosage 77% of dispersing agent and the steady of the total dosage 20% of stabilizer is accounted for
Determine agent to be ground out of the arrival end of grinding machine 3 addition grinding machine 3；
(3) dispersing agent of residue 23% is added from the outlet end of grinding machine 3 to the slurry flowed out from the outlet end of grinding machine 3
In, obtain primary slurry；
(4) to step (3) obtain primary slurry be collected, stir and refined filtration after, be delivered in agitator tank 9；
(5) stabilizer of residue 80% is added to being mixed evenly in agitator tank 9 with the slurry in agitator tank 9, is obtained
To second level slurry；
(6) the second level slurry pipeline steel for obtaining step (5) to homogeneous tank 10 carries out homogeneous curing, obtains finished pulp, will be at
Product slurry is sent into finished pulp storage tank 11 from the bottom of finished pulp storage tank 11 and is stored.
Embodiment 4
The production method of high-stability coal water slurry fuel, includes the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) by whole feed coals, water, the dispersing agent for accounting for the total dosage 85% of dispersing agent and the steady of the total dosage 25% of stabilizer is accounted for
Determine agent to be ground out of the arrival end of grinding machine 3 addition grinding machine 3；
(3) dispersing agent of residue 15% is added from the outlet end of grinding machine 3 to the slurry flowed out from the outlet end of grinding machine 3
In, obtain primary slurry；
(4) to step (3) obtain primary slurry be collected, stir and refined filtration after, be delivered in agitator tank 9；
(5) stabilizer of residue 75% is added to being mixed evenly in agitator tank 9 with the slurry in agitator tank 9, is obtained
To second level slurry；
(6) the second level slurry pipeline steel for obtaining step (5) to homogeneous tank 10 carries out homogeneous curing, obtains finished pulp, will be at
Product slurry is sent into finished pulp storage tank 11 from the bottom of finished pulp storage tank 11 and is stored.
Embodiment 5
The production method of high-stability coal water slurry fuel, includes the following steps:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, the total dosage of dispersing agent and stabilization are determined
The total dosage of agent；
(2) by whole feed coals, water, the dispersing agent for accounting for the total dosage 95% of dispersing agent and the steady of the total dosage 30% of stabilizer is accounted for
Determine agent to be ground out of the arrival end of grinding machine 3 addition grinding machine 3；
(3) dispersing agent of residue 5% is added from the outlet end of grinding machine 3 to from the slurry that the outlet end of grinding machine 3 is flowed out,
Obtain primary slurry；
(4) to step (3) obtain primary slurry be collected, stir and refined filtration after, be delivered in agitator tank 9；
(5) stabilizer of residue 70% is added to being mixed evenly in agitator tank 9 with the slurry in agitator tank 9, is obtained
To second level slurry；
(6) the second level slurry pipeline steel for obtaining step (5) to homogeneous tank 10 carries out homogeneous curing, obtains finished pulp, will be at
Product slurry is sent into finished pulp storage tank 11 from the bottom of finished pulp storage tank 11 and is stored.
Performance inspection is carried out to embodiment 1-5 and using the coal water slurry fuel that traditional coal-water-slurry biofuel production process prepares
It surveys, testing result is as shown in the table:
1 coal water slurry fuel performance comparison table of table
Seen from table 1, compared to conventional method, the water coal obtained using production method provided in an embodiment of the present invention production
Slurry fuel has optimal grain size distribution, and stability is more preferable.
As shown in Figure 1, the embodiment of the invention also provides a kind of high-stability coal water slurry combustions with aforementioned production method
The production system of material, comprising: coal dust surge bunker 1, water pot 4, dispersing agent tank 5, stabilizer tank 6, grinding machine 3, collection stock tank 7, pulp filter
8, agitator tank 9, homogeneous tank 10 and finished pulp storage tank 11；Coal dust surge bunker 1 is connected to entering for grinding machine 3 by coal dust charging gear 2
Mouth end, water pot 4 are connected to the arrival end of grinding machine 3 by water delivery pipe 12, and collection stock tank 7 is set to below the outlet end of grinding machine 3, collection
Stock tank 7, pulp filter 8, agitator tank 9 and homogeneous tank 10 are sequentially connected by fluid-conveying pipe 15, and homogeneous tank 10 is defeated by finished pulp
Pipe 16 is sent to be connected to 11 bottom of finished pulp storage tank；Between dispersing agent tank 5 and the arrival end of grinding machine 3 and dispersing agent tank 5 and grinding machine
Between 3 outlet end, it is connected separately with dispersing agent delivery pipe 13；Between stabilizer tank 6 and the arrival end of grinding machine 3, and stablize
Between agent tank 6 and agitator tank 9, it is connected separately with stabilizer delivery pipe 14.
In the production system of above-mentioned high-stability coal water slurry fuel, coal dust surge bunker 1 is for containing the coal dust being crushed, coal
Powder charging gear 2 is for coal dust to be delivered in grinding machine 3.As shown in Figure 1, coal dust charging gear 2 includes setting in the present embodiment
In the vibrating feeder 21 of the discharge outlet of coal dust surge bunker 1, and it is set to the belt below 21 outlet end of vibrating feeder
Scale 22, feed end and 21 outlet end of vibrating feeder of weighing belt 22 are correspondingly arranged, the discharge end of weighing belt 22 and entering for grinding machine 3
Mouth end is correspondingly arranged.The coal dust fallen from 1 discharge outlet of coal dust surge bunker can be shaken and be dissipated by the vibrating feeder 21 of setting,
Coal dust adhesion is avoided, the additive amount of coal dust can accurately be controlled by the weighing belt 22 of setting, to improve the quality of production.
Water pot 4 is for containing water, and water delivery pipe 12 is for water to be delivered in grinding machine 3.It should be noted that such as Fig. 1 institute
Show, water delivery pipe 12 is provided with metering pump 18, in order to accurately control the conveying capacity of water.
Dispersing agent tank 5 passes through dispersion for containing dispersing agent, the arrival end and outlet end of dispersing agent tank 5 and grinding machine 3 respectively
Agent delivery pipe 13 is connected, dispersing agent can be made be divided to two sections of additions by the arrival end and outlet end of grinding machine 3, and dispersing agent is divided to two sections to add
Entering mode can be such that the dispersing agent entered in grinding machine 3 reduces, and on the one hand control the flowing velocity of slurry, increase slurry in grinding machine
Residence time in 3 extends milling time, on the other hand since viscosity increases, can reduce to touch and pound chance and increase grinding
Chance creates conditions to obtain optimal granularity gradation, and remaining dispersing agent is added from the outlet end of grinding machine 3, can reduce slurry
The viscosity of body, the mobility for increasing slurry, to guarantee that the viscosity of slurry and mobility reach requirement.It should be noted that such as
Shown in Fig. 1, dispersing agent delivery pipe 13 is provided with metering pump 18, in order to accurately control the additive amount of dispersing agent.
Stabilizer tank 6 passes through stabilization for containing stabilizer, the arrival end and agitator tank 9 of stabilizer tank 6 and grinding machine 3 respectively
Agent delivery pipe 14 is connected, and stabilizer can be made to be added from 9 two positions of 3 arrival end of grinding machine and agitator tank, added in 3 arrival end of grinding machine
Partially stabilized dose entered can properly increase the slurry viscosity in grinding machine 3, create favorable conditions to extend slurry milling time,
And the remaining stabilizer being added at agitator tank 9, it can further increase stabilizer and coal particle is uniformly distributed in water-coal-slurry
Effect, for next step homogeneous tank 10 slurry curing prepare.It should be noted that as shown in Figure 1, stabilizer delivery pipe 14
It is provided with metering pump 18, in order to accurately control the additive amount of stabilizer.
Grinding machine 3 is used to carry out mixed grinding to coal dust, water, dispersing agent and stabilizer, in order to improve grinding effect, grinding machine 3
Preferably double storehouse grinding machines.When using double storehouse grinding machines, dispersing agent is divided to two sections of additions by the arrival end and outlet end of grinding machine 3, mainly
It is so that a storehouse is transformed into grinding state from the past state of pounding of touching, while extending the milling time in two storehouses.
For the primary slurry flowed out from the outlet end of grinding machine 3 to be collected and stirred, pulp filter 8 is used for collection stock tank 7
Refined filtration is carried out to primary slurry, agitator tank 9 is used to carry out strong stirring to the stabilizer added from agitator tank 9 and primary slurry
To obtain second level slurry, homogeneous tank 10 is used to carry out second level slurry homogeneous curing to obtain finished pulp, collects stock tank 7, pulp filter
8, agitator tank 9 and homogeneous tank 10 are sequentially connected by fluid-conveying pipe 15 to carry out the conveying of slurry.It should be noted that as schemed
Shown in 1, it is connected on the fluid-conveying pipe 15 of collection stock tank 7, on the fluid-conveying pipe 15 between agitator tank 9 and homogeneous tank 10,
Slurry delivery pump 19 is respectively arranged with to provide slurry conveying power (the slurry delivery pump between collection stock tank 7 and agitator tank 9
19 also referred to as unloading pump, the slurry delivery pumps 19 between agitator tank 9 and homogeneous tank 10 are also referred to as pump for mortar transmission), moreover, slurry
Delivery pump 19 also has certain shear action to slurry, is conducive to the stabilization of slurry.
Due to pulp filter 8 need periodic cleaning with prevent obstruction, guarantee refined filtration efficiency, thus, in order to avoid because cleaning filter
It starches device 8 and causes to stop production, as a preference, as shown in Figure 1, in parallel between the fluid-conveying pipe 15 of 8 two sides of pulp filter connection
There is slurry to convey shunt valve 17.When needing to clear up pulp filter 8, then it is connected to slurry conveying shunt valve 17, makes slurry by collection stock tank 7
It is fed directly in agitator tank 9, to guarantee normal production.
Finished pulp storage tank 11 is used to store the finished pulp of preparation with spare, and finished pulp passes through finished pulp delivery pipe 16 from homogeneous
Tank 10 is delivered to finished pulp storage tank 11, and finished pulp delivery pipe 16 is connected to 11 bottom of finished pulp storage tank, makes finished pulp from finished pulp
The bottom of storage tank 11 is sent into finished pulp storage tank 11, and the unstable agglomerated particle of 11 bottom of finished pulp storage tank can be made extensive again
Multiple normal condition, greatly reduces tank bottom precipitation capacity, is conducive to the stabilization for keeping coal water slurry fuel, extends the clear tank period, saves
About clear tank expense, moreover, saving equipment investment and maintenance without installing mechanical stirring device additional at the top of finished pulp storage tank 11
Expense.It should be noted that as shown in Figure 1, be provided with slurry delivery pump 19 in finished pulp delivery pipe 16 to provide conveying power,
Slurry delivery pump 19 herein is also referred to as slurry supply pump.When finished pulp delivery pipe 16 is connected to finished pulp 11 bottom of storage tank, finished pulp
It is sent into from the bottom of finished pulp storage tank 11, when use screw pump is as slurry supply pump, if liquid level is zero in tank, at the beginning of screw pump
Beginning pressure is also zero, and as finished pulp constantly enters, tank level is gradually risen, and the outlet pressure of screw pump also gradually increases therewith
Greatly, when liquid level rises to vertex in tank, the pressure of screw pump reaches maximum, it is seen that the outlet pressure of screw pump be from zero gradually
Reach maximum, be conducive to extend the service life of screw pump, it is defeated to solve finished pulp in existing coal water slurry fuel production system
Pipe is sent to be connected to finished pulp tank top and the short problem of bring service life of screw pump.
Further, in order to improve finished pulp from 11 bottom of finished pulp storage tank be sent into when to the disturbance in finished pulp storage tank 11
Effect, as shown in Figures 2 and 3, finished pulp delivery pipe 16 include sequentially connected straight pipe 161 and ring pipe section 162, straight pipe
161 are connected to homogeneous tank 10, and ring pipe section 162 is sheathed on outside finished pulp storage tank 11, and ring pipe section 162 is connected to finished product equipped with multiple
The finished pulp delivery port 163 of 11 bottom sidewall of storage tank is starched, each finished pulp delivery port 163 is equipped with control valve 164, multiple finished products
Slurry delivery port 163 is distributed in ring pipe section 162.It can control the opening and closing of each finished pulp delivery port 163, by control valve 164 with control
Manufactured goods slurry is sent into finished pulp storage tank 11 from different finished pulp delivery port 163, so as to 11 bottom of finished pulp storage tank not
The finished pulp delivery port 163 for being disturbed with position, and being opened by periodic replacement, it is ensured that 11 bottom of finished pulp storage tank
Comprehensively disturbed.In addition, it should be noted that, irregular air blast stirring can be used in finished pulp storage tank 11, with synthesis
Disturbance effect of the product slurry conveying to finished pulp storage tank 11.
Claims (10)
1. the production method of high-stability coal water slurry fuel, which comprises the steps of:
(1) according to the total dosage of feed coal and the paste-forming properties test data of feed coal, determine that the total dosage of dispersing agent and stabilizer are total
Dosage；
(2) whole feed coals, water, part dispersing agent and partially stabilized dose are added in grinding machine from the arrival end of grinding machine and are ground
Mill；
(3) remaining dispersing agent is added from the outlet end of grinding machine to from the slurry that the outlet end of grinding machine is flowed out, obtains primary
Slurry；
(4) primary slurry is collected, stir and refined filtration after, be delivered in agitator tank；
(5) remaining stabilizer is added to being mixed evenly in agitator tank with the slurry in agitator tank, obtains second level slurry；
(6) second level slurry pipeline steel to homogeneous tank is subjected to homogeneous curing, obtains finished pulp, by finished pulp from the bottom of finished pulp storage tank
Portion is sent into finished pulp storage tank and is stored.
2. the production method of high-stability coal water slurry fuel according to claim 1, it is characterised in that: in step (2), add
The additive amount for entering the dispersing agent in the grinding machine is the 60%~95% of the total dosage of the dispersing agent, is added in the grinding machine
The stabilizer additive amount be the total dosage of the stabilizer 10%~30%.
3. the production method of high-stability coal water slurry fuel according to claim 1 or 2, it is characterised in that: the dispersion
Agent includes one of naphthalene sulfonate, lignosulfonates and sulfonated humic acid or a variety of.
4. the production method of high-stability coal water slurry fuel according to claim 1 or 2, it is characterised in that: the stabilization
Agent includes one of ferrous sulfate, dimethyl carbonate, sodium carboxymethylcellulose and polyacrylamide or a variety of.
5. the production system of high-stability coal water slurry fuel, it is characterised in that: the production system is any with claim 1-4
The production method of high-stability coal water slurry fuel described in；The production system includes: coal dust surge bunker, water pot, dispersing agent
Tank, stabilizer tank, grinding machine, collection stock tank, pulp filter, agitator tank, homogeneous tank and finished pulp storage tank；The coal dust surge bunker passes through coal
Powder charging gear is connected to the arrival end of the grinding machine, and the water pot is connected to the arrival end of the grinding machine by water delivery pipe,
The collection stock tank is set to below the outlet end of the grinding machine, and the collection stock tank, pulp filter, agitator tank and homogeneous tank pass through slurry
Delivery pipe is sequentially connected, and the homogeneous tank is connected to the finished pulp tank bottom by finished pulp delivery pipe；The dispersing agent
Between tank and the arrival end of grinding machine and between the dispersing agent tank and the outlet end of grinding machine, it is connected separately with dispersing agent conveying
Pipe；Between the stabilizer tank and the arrival end of the grinding machine and between the stabilizer tank and agitator tank, it is connected separately with
Stabilizer delivery pipe.
6. the production system of high-stability coal water slurry fuel according to claim 4, it is characterised in that: the finished pulp is defeated
Sending pipe includes sequentially connected straight pipe and ring pipe section, and the straight pipe is connected to the homogeneous tank, and the ring pipe section is sheathed on
Outside the finished pulp storage tank, the ring pipe section is equipped with multiple finished pulp conveyings for being connected to the finished pulp tank bottom side wall
Mouthful, each finished pulp delivery port is equipped with control valve, and multiple finished pulp delivery ports are distributed in the ring pipe section.
7. the production system of high-stability coal water slurry fuel according to claim 5, it is characterised in that: the grinding machine is double
Storehouse grinding machine.
8. the production system of high-stability coal water slurry fuel according to claim 5, it is characterised in that: the coal dust feed
Device includes the vibrating feeder for being set to the discharge outlet of the coal dust surge bunker, and is set to the vibrating feeder and goes out
Weighing belt below mouth end, the feed end of the weighing belt are correspondingly arranged with the vibrating feeder outlet end, the weighing belt
The arrival end of discharge end and the grinding machine be correspondingly arranged.
9. the production system of high-stability coal water slurry fuel according to claim 4, it is characterised in that: the pulp filter two
Slurry conveying shunt valve is parallel between the fluid-conveying pipe of side connection.
10. the production system of high-stability coal water slurry fuel according to claim 4, it is characterised in that: the water conveying
Pipe, dispersing agent delivery pipe and stabilizer delivery pipe are respectively arranged with metering pump；It is connected to the fluid-conveying pipe of the collection stock tank
On, on the fluid-conveying pipe between the agitator tank and homogeneous tank and in the finished pulp delivery pipe, it is respectively arranged with slurry
Material conveying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910940016.3A CN110527570A (en) | 2019-09-30 | 2019-09-30 | The production method and its production system of high-stability coal water slurry fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910940016.3A CN110527570A (en) | 2019-09-30 | 2019-09-30 | The production method and its production system of high-stability coal water slurry fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110527570A true CN110527570A (en) | 2019-12-03 |
Family
ID=68671443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910940016.3A Pending CN110527570A (en) | 2019-09-30 | 2019-09-30 | The production method and its production system of high-stability coal water slurry fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110527570A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691927A (en) * | 2009-09-23 | 2010-04-07 | 郑州洪威高新能源工程技术有限公司 | Water coal slurry device and production process thereof |
| CN101691926A (en) * | 2009-09-23 | 2010-04-07 | 郑州洪威高新能源工程技术有限公司 | Container moving type water-coal-slurry device and production process thereof |
| CN101899338A (en) * | 2010-07-28 | 2010-12-01 | 江阴市中立机械工业有限公司 | Coal-water slurry slurrying system and method for coal chemical industry |
| CN103540375A (en) * | 2013-10-21 | 2014-01-29 | 青岛开源集团有限公司 | Preparation process of coal water slurry |
| CN108822907A (en) * | 2018-06-25 | 2018-11-16 | 合肥金同维低温科技有限公司 | A method of textile printing and dyeing wastewater is handled using slurries production technology |
-
2019
- 2019-09-30 CN CN201910940016.3A patent/CN110527570A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691927A (en) * | 2009-09-23 | 2010-04-07 | 郑州洪威高新能源工程技术有限公司 | Water coal slurry device and production process thereof |
| CN101691926A (en) * | 2009-09-23 | 2010-04-07 | 郑州洪威高新能源工程技术有限公司 | Container moving type water-coal-slurry device and production process thereof |
| CN101899338A (en) * | 2010-07-28 | 2010-12-01 | 江阴市中立机械工业有限公司 | Coal-water slurry slurrying system and method for coal chemical industry |
| CN103540375A (en) * | 2013-10-21 | 2014-01-29 | 青岛开源集团有限公司 | Preparation process of coal water slurry |
| CN108822907A (en) * | 2018-06-25 | 2018-11-16 | 合肥金同维低温科技有限公司 | A method of textile printing and dyeing wastewater is handled using slurries production technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100430143C (en) | Semi-automill ball-milling type ore grinding system and its control system | |
| CN101899338B (en) | Coal-water slurry slurrying system and method for coal chemical industry | |
| CN101955824A (en) | Complete two-stage slurry production equipment of water-coal-slurry and gasified water-coal-slurry by using low-rank coal fuel | |
| CN203043860U (en) | Intelligent automatic controlled type lime adding device | |
| CN104722237A (en) | Complete production device for combusting coal water slurry | |
| CN110510413B (en) | Device and method for conveying coarse-particle coal slurry through pipeline | |
| CN106622600A (en) | Powder grinding device | |
| CN101956992B (en) | Low rank coal fuel coal water slurry and gasified coal water slurry complete production unit | |
| CN212293463U (en) | High-moisture coal preparation coal water slurry slurrying concentration equipment | |
| CN110527570A (en) | The production method and its production system of high-stability coal water slurry fuel | |
| CN210560293U (en) | Production system of high-stability coal water slurry fuel | |
| CN201762299U (en) | Complete set of equipment for producing coal water slurry fuel and gasification coal water slurry by low rank coal | |
| CN103055757B (en) | Smart autocontrol lime addition device and addition method thereof | |
| CN210410529U (en) | Composite water-coal-slurry additive preparation device | |
| CN103184085B (en) | Gasified coal-water-slurry preparation process and corresponding production line | |
| CN201762298U (en) | Complete set of equipment for producing coal water slurry fuel and gasification coal water slurry by low rank coal in two stages | |
| CN207562817U (en) | A kind of system for improving pipeline transportation water-coal-slurry end product concentration | |
| CN114179227B (en) | Tailing grading and reorganizing slurry reconstruction cemented filling equipment and technology thereof | |
| CN107716131B (en) | Grind grading and flotation carbon removal system | |
| CN208526927U (en) | A kind of production line of water-saving high solids content slurry | |
| CN204522889U (en) | A kind of metabolic water coal slurry complete device for producing | |
| CN207567187U (en) | A kind of coal slirne production system | |
| CN209476441U (en) | A kind of feeding device of nano grinder system | |
| CN201785371U (en) | Coal water slurry preparation system for coal chemical industry | |
| CN111575070A (en) | Pulping and concentrating process and equipment for preparing coal water slurry from high-moisture coal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210531 Address after: 266071 room 402, Block E, No. 67 and 69, Yinchuan West Road, Shinan District, Qingdao City, Shandong Province Applicant after: Qingdao Trier Technology Co.,Ltd. Address before: E405, No. 67 and 69, Yinchuan West Road, Shinan District, Qingdao City, Shandong Province 266071 Applicant before: Qingdao anpaier Clean Energy Technology Co.,Ltd. Applicant before: QINGDAO CLEAR ENVIRONMENTAL PROTECTION GROUP Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |
|
| RJ01 | Rejection of invention patent application after publication |