CN108865301A - Gasified coal water slurry addictive preparation method - Google Patents
Gasified coal water slurry addictive preparation method Download PDFInfo
- Publication number
- CN108865301A CN108865301A CN201810735959.8A CN201810735959A CN108865301A CN 108865301 A CN108865301 A CN 108865301A CN 201810735959 A CN201810735959 A CN 201810735959A CN 108865301 A CN108865301 A CN 108865301A
- Authority
- CN
- China
- Prior art keywords
- reaction
- water slurry
- coal water
- gasified coal
- reaction solution
- 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.)
- Granted
Links
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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
-
- 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
-
- 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The invention discloses a kind of gasified coal water slurry addictive preparation methods, belong to slurries additive agent preparation technical field.Steps of the method are：Papermaking wastewater and enough strong sulfuric acid response 10-16h, obtain reaction solution A, reaction solution A reacts with enough milk of lime, settle after obtain supernatant B, obtain liquor C after the pressurized filtering of supernatant B；Washing oil and enough concentrated sulfuric acids carry out sulfonating reaction 8-12h at 70-120 DEG C, obtain reaction solution D, reaction solution D is hydrolyzed with enough deionized waters to react, obtain hydrolyzate E, hydrolyzate E and enough formaldehyde carry out polycondensation reaction 8-12h at 90-110 DEG C, obtain condensation product F, condensation product F is stirred with liquor C to be reacted, reaction solution G is obtained, reaction solution G and sodium hydroxide solution carry out neutralization reaction and obtain gasified coal water slurry additive；The charge-mass ratio of papermaking wastewater and washing oil is 1:9-9:1.Raw material of the present invention is papermaking wastewater, and cheap and easily-available, gasified coal water slurry additive obtained is good to improvement is slurried.
Description
Technical field
The present invention relates to slurries additive agent preparation technical field more particularly to a kind of gasified coal water slurry additive preparation sides
Method.
Background technique
Low-order coal (including lignite, jet coal, weakly caking coal and non caking coal) accounts for 50% or more of coal in China reserves and yield,
The important component for having become coal in China processing at present and utilizing, low-order coal high oxygen content, content of heteroatoms is high, such as uses
In burning, the thermal efficiency is lower and pollutes environment, has many unfavorable factors for generating electricity.On the other hand, low-order coal is because rich in virtue
The organic component of the preciousness such as hydrocarbon, hetero atom aromatic compound but has to obtain day if producing organic chemicals as industrial chemicals
Solely thick material base.
Patent CN106520231A is related to a kind of preparation method of naphthalene system slurries additive agent, using metal-doped solid acid
For sulfonating reaction, increase sulfonation acidity, lignin pyrolysis under conditions of improving acidity, increases synthesis naphthalene for condensation reaction
It is the molecular chain length of slurries additive agent, effectively improves the dispersibility and stability of naphthalene system slurries additive agent.
Patent CN107619693A discloses a kind of slurries additive agent, by sodiumβ-naphthalenesulfonate formaldehyde condensation products, lignin
Sodium sulfonate and water are made.Wherein sodiumβ-naphthalenesulfonate formaldehyde condensation products 10%~30%, sodium lignin sulfonate 10%~30%, surplus
For water；The mass ratio of the gross mass and water of sodiumβ-naphthalenesulfonate formaldehyde condensation products and sodium lignin sulfonate is 2:3.
Patent CN106867605A discloses a kind of cellulose base slurries additive agent and the preparation method and application thereof, by fibre
Tie up element, sulfonating agent, binary acid composition；Using cellulose as starting material, using one kettle way and sulfonating agent sulfonation occurs for preparation method
Reaction；Esterification is carried out with binary acid again, obtains slurries additive agent.
The physical property and chemical property of slurrying coal, which have the paste-forming properties of coal, to be significantly affected, such as moisture, ash content, oxygen-containing
Functional group, O/C value etc., high-moisture and oxygen-containing functional group abundant are unfavorable for preparing high-concentration coal-water slurry, and high ash content has
Conducive to the paste-forming properties for improving coal but the calorific value of coal slurry can be reduced.The paste-forming properties of coal are that the comprehensive of many factors embodies, and it is each because
It is interrelated between element.The factor for influencing water coal slurry concentration mainly includes coal characteristic, grain size distribution and the addition of slurrying coal
Agent performance, for low-order coal since full water and inherent moisture content are compared with high, oxygen-containing functional group is more, porosity is high, paste-forming properties are poor, can pass through
The method of additive is adapted to improve its paste-forming properties.
Existing slurries additive agent is crude naphthalene or lignin using raw material, and preparation cost is higher, is used to prepare gasified water
Dosage is big and unobvious to paste-forming properties improvement when coal slurry.
Summary of the invention
The purpose of the present invention is to provide a kind of gasified coal water slurry addictive preparation methods, to solve to exist in the prior art
The cost of material for preparing gasified coal water slurry additive it is high, gasified coal water slurry additive obtained is unobvious to improvement is slurried
The problem of.
To achieve the above object, following technical scheme is provided：
Gasified coal water slurry addictive preparation method provided by the invention, includes the following steps：
Papermaking wastewater and enough strong sulfuric acid response 10-16h obtain reaction solution A, the reaction solution A and enough lime
Supernatant B is obtained after cream reaction, sedimentation, obtains liquor C after the pressurized filtering of supernatant B；
Washing oil and enough concentrated sulfuric acids carry out sulfonating reaction 8-12h at 70-120 DEG C, obtain reaction solution D, described
Reaction solution D is hydrolyzed with enough deionized waters to react, and obtains hydrolyzate E, the hydrolyzate E and enough formaldehyde are in 90-
Polycondensation reaction 8-12h is carried out at 110 DEG C, obtains condensation product F, the condensation product F is stirred with the liquor C to be reacted,
Reaction solution G is obtained, the reaction solution G and sodium hydroxide solution carry out neutralization reaction and obtain gasified coal water slurry additive；
The charge-mass ratio of the papermaking wastewater and the washing oil is 1:9-9:1.
Further, the concentrated sulfuric acid mass concentration is 90%-98%, and the sodium hydroxide solution mass concentration is
30%-50%.
Further, the pressure limit when supernatant B pressure filtration is 0.1-0.3MPa.
Further, the papermaking wastewater carries out in agitator tank with reacting for the concentrated sulfuric acid, the agitator tank into
Material mouth is all connected with the transfer pipeline of the papermaking wastewater and the transfer pipeline of the concentrated sulfuric acid.
Further, the reacting of the reaction solution A and the milk of lime, be deposited in subsider and carry out, the subsider
Feed inlet connect with the discharge port of the agitator tank.
Further, the operation of the supernatant B pressure filtration carries out in filter press, the feed inlet of the filter press with
The discharge port of the subsider connects.
Further, the sulfonating reaction of the washing oil and the concentrated sulfuric acid carries out in sulfonating reaction kettle, and the sulfonation is anti-
The transfer pipeline of the transfer pipeline and the washing oil of answering the feed inlet of kettle and the concentrated sulfuric acid is all connected with.
Further, the reaction solution D and the hydrolysis of the deionized water carry out in hydrolytic tank, the hydrolytic tank
Feed inlet connect with the discharge port of the sulfonating reaction kettle.
Further, the polycondensation reaction of the hydrolyzate E and the formaldehyde carry out in condensation reaction kettle, and the condensation is anti-
The transfer pipeline of the discharge port and the formaldehyde of answering the feed inlet of kettle and the hydrolytic tank is all connected with.
Further, the condensation product F and the liquor C be stirred the operation reacted in mixing and stirring tank into
Row, the feed inlet of the mixing and stirring tank are all connected with the discharge port of the condensation reaction kettle and the discharge port of the filter press；
The neutralization reaction of the reaction solution G and the sodium hydroxide solution carry out in neutralizing tank, the feed inlet of the neutralizing tank and institute
State the discharge port connection of mixing and stirring tank.
Compared with prior art, gasified coal water slurry addictive preparation method provided by the invention, it is parallel anti-including two
Route and last mixing route are answered, wherein a reaction route is as follows：Papermaking wastewater carries out reacting 10- with enough concentrated sulfuric acids
16h obtains reaction solution A, and wherein the dosage of the concentrated sulfuric acid and reaction time can be such that papermaking wastewater reacts completely；Reaction solution A again with
Enough milk of lime reactions, standing sedimentation, obtains supernatant B later, which completes, and wherein the dosage of milk of lime can
React reaction solution A completely；Supernatant B is pressurized to be obtained by filtration liquor C.Another reaction route is as follows：Washing oil and enough
The concentrated sulfuric acid carries out sulfonating reaction 8-12h at 70-120 DEG C, obtains reaction solution D, wherein the dosage, reaction temperature of the concentrated sulfuric acid and anti-
Washing oil can be made to react completely between seasonable；Reaction solution D with go enough ionized waters to be hydrolyzed to react, obtain hydrolyzate E, wherein
The dosage of deionized water can be such that reaction solution D reacts completely；It is anti-that hydrolyzate E carries out polycondensation with enough formaldehyde at 90-110 DEG C
8-12h is answered, condensation product F is obtained, wherein the dosage, reaction temperature of formaldehyde and reaction time can be such that hydrolyzate E reacts completely；Contracting
It closes object F and is stirred with liquor C and reacted, obtain reaction solution G, wherein condensation product F can react completely with liquor C；Reaction
Liquid G and sodium hydroxide solution carry out neutralization reaction and obtain gasified coal water slurry additive, and wherein the dosage of sodium hydroxide solution should
It can be reacted just with reaction solution G.The charge-mass ratio of papermaking wastewater and washing oil is 1:9-9:1, made from the amount ratio range
Gasified coal water slurry additive can satisfy the requirement that is slurried of water-coal-slurry, and good to the improvement being slurried.Gas provided by the invention
Change slurries additive agent preparation method application raw material be papermaking wastewater, raw material is cheap and easily-available, and can successive reaction, it is obtained
Gasified coal water slurry additive is good to improvement is slurried.
Detailed description of the invention
Fig. 1 is the schematic diagram of the slurries additive agent preparation system in the embodiment of the present invention.
Appended drawing reference：1- agitator tank；2- subsider；3- filter press；4- mixing and stirring tank；5- sulfonating reaction kettle；6- hydrolysis
Slot；7- condensation reaction kettle；8- neutralizing tank.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will be described in further detail in conjunction with technical solution of the attached drawing to the embodiment of the present invention, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As shown in Figure 1, being slurries additive agent preparation system provided by the invention, including agitator tank 1, subsider 2, filters pressing
Machine 3, mixing and stirring tank 4, sulfonating reaction kettle 5, hydrolytic tank 6, condensation reaction kettle 7 and neutralizing tank 8.The reaction access of the preparation system
It is divided into two-way, wherein all the way including agitator tank 1, subsider 2 and filter press 3, specifically, the feed inlet of agitator tank 1 and papermaking are useless
The connection of liquid delivery pipe, also connect with concentrated sulfuric acid delivery pipe；The discharge port of agitator tank 1 is connect with the feed inlet of subsider 2, subsider
2 also connect with milk of lime delivery pipe, and the discharge port of subsider 2 is connect with the feed inlet of filter press 3, the discharge port of filter press 3 with
The feed inlet of mixing and stirring tank 4 connects.Another way includes sulfonating reaction kettle 5, hydrolytic tank 6 and condensation reaction kettle 7, specifically, sulphur
The feed inlet for changing reaction kettle 5 is all connected with concentrated sulfuric acid delivery pipe and washing oil delivery pipe, the discharge port and hydrolytic tank of sulfonating reaction kettle 5
6 feed inlet connection, the discharge port of hydrolytic tank 6 are connect with the feed inlet of condensation reaction kettle 7, and condensation reaction kettle 7 is also defeated with formaldehyde
Pipe is sent to connect, the discharge port of condensation reaction kettle 7 is connect with mixing and stirring tank 4.Condensation product and filters pressing in last condensation reaction kettle 7
The pressing filtering liquid of machine 3 is passed through in neutralizing tank 8, and neutralizing tank 8 is also connect with sodium hydroxide solution delivery pipe.Each material delivery pipe road
It completes to convey by kinetic pump, realizes automatic conveying, save manpower.
Wherein, in order to guarantee the security reliability of equipment, sulfonating reaction kettle 5 and condensation reaction kettle 7 should select to be able to bear-
10 DEG C~200 DEG C temperature, the material of 0.1MPa~1.6MPa pressure are made, and neutralizing tank 8 is made of the material of acid-alkali-corrosive-resisting.
Inlet amount is automatically controlled to realize, is provided with electric controling switch in each delivery pipe and connecting tube, and by connection
It, can be according to requiring the additive amount for adjusting raw material at any time to Central Control Room.For the temperature and pressure feelings in monitoring reaction course at any time
Condition ensures constant reaction condition to be adjusted, and sulfonating reaction kettle 5 and condensation reaction kettle 7 are respectively arranged with temperature sensor and pressure
Force snesor.Further, filter press 3 is belt filter press or plate and frame filter press, selects belt filter press in the present embodiment.
The technological operation for preparing gasified coal water slurry additive in following embodiment is all made of above-mentioned slurries additive agent system
Standby system.Wherein, in the following embodiments, the mass concentration of the concentrated sulfuric acid is 98%, and the mass concentration of sodium hydroxide solution is
30%.
Embodiment one
After 10t papermaking wastewater reacts 10h in agitator tank 1 with the concentrated sulfuric acid that 4t mass concentration is 90%, with 4t milk of lime
Simultaneously standing sedimentation 20h is reacted in subsider 2, the supernatant in subsider 2 enters belt filter press, under the pressure of 0.1MPa
Filtrate is obtained by filtration；3t washing oil and the 1t concentrated sulfuric acid obtain after reacting 8h at being 80 DEG C in reaction temperature in sulfonating reaction kettle 5
Reaction solution and 1t deionized water, which enter in hydrolytic tank 6, hydrolyzes 20h, and resulting hydrolyzate and 2.5t formaldehyde enter condensation reaction kettle 7,
8h polycondensation reaction is carried out at being 105 DEG C in reaction temperature, the filtrate that resulting condensation product and belt filter press are press-filtered out enters mixed
Agitator tank 4 is closed, the reaction solution that reaction obtains and the sodium hydroxide solution that 5t mass concentration is 30% is mixed in neutralizing tank 8
Neutralization reaction is carried out, gasified coal water slurry additive is obtained.
It is 0.15% (dry in additive amount when gasified coal water slurry additive made from the present embodiment is used for jet coal slurrying
Based additive/butt coal, mass fraction) when, manufactured water coal slurry concentration is 63%, viscosity 657mps, coal slurry mobility
Preferably, meet gasification production requirement.
Embodiment two
After 8t papermaking wastewater reacts 13h in agitator tank 1 with the concentrated sulfuric acid that 3t mass concentration is 95%, exist with 4t milk of lime
Simultaneously for 24 hours, the supernatant in subsider 2 enters belt filter press to standing sedimentation, the mistake under the pressure of 0.2MPa for reaction in subsider 2
Filter obtains filtrate；5t washing oil and the 2t concentrated sulfuric acid are in sulfonating reaction kettle 5, and after reacting 10h at being 80 DEG C in reaction temperature, what is obtained is anti-
It answers liquid and 1t deionized water to enter in hydrolytic tank 6 to hydrolyze for 24 hours, resulting hydrolyzate and 3t formaldehyde enter condensation reaction kettle 7, anti-
Answering temperature is that 10h polycondensation reaction is carried out at 105 DEG C, and resulting condensation product enters to mix with the filtrate that belt filter press is press-filtered out to be stirred
Tank 4 is mixed, the reaction solution that reaction obtains is mixed and is carried out in neutralizing tank 8 with 6t mass concentration for 35% sodium hydroxide solution
Neutralization reaction obtains gasified coal water slurry additive.
It is that 0.3% (butt adds in additive amount when gasified coal water slurry additive made from the present embodiment is used for lignite slurrying
Add agent/butt coal, mass fraction) when, it is 54% that water coal slurry concentration, which is made, and viscosity 715mps, coal slurry mobility is preferable, full
Foot gasification production requirement.
Embodiment three
After 12t papermaking wastewater reacts 16h in agitator tank 1 with the concentrated sulfuric acid that 4t mass concentration is 98%, with 5t milk of lime
Simultaneously standing sedimentation 28h is reacted in subsider 2, the supernatant in subsider 2 enters belt filter press, under the pressure of 0.3MPa
Filtrate is obtained after filtering；2t washing oil and the 1t concentrated sulfuric acid are in sulfonating reaction kettle 5, after reacting 12h at being 80 DEG C in reaction temperature, with 1t
Deionized water, which enters in hydrolytic tank 6, hydrolyzes 28h, and resulting hydrolyzate and 2t formaldehyde enter condensation reaction kettle 7, is in reaction temperature
12h polycondensation reaction is carried out at 105 DEG C, the filtrate that resulting condensation product and belt filter press are press-filtered out enters mixing and stirring tank 4, mixes
It is during the sodium hydroxide solution that the reaction solution and 4t mass concentration that conjunction is stirred to react are 40% carries out in neutralizing tank 8 and anti-
It answers, obtains gasified coal water slurry additive.
It is 0.15% (dry in additive amount when gasified coal water slurry additive made from the present embodiment is used for dross coal slurrying
Based additive/butt coal, mass fraction) when, it is 63% that water coal slurry concentration, which is made, and viscosity 689mps, mobility is preferable, full
Foot gasification production requirement.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of gasified coal water slurry addictive preparation method, which is characterized in that include the following steps：
Papermaking wastewater and enough strong sulfuric acid response 10-16h, obtain reaction solution A, the reaction solution A and enough milk of lime are anti-
Answer, settle after obtain supernatant B, obtain liquor C after the pressurized filtering of supernatant B；
Washing oil and enough concentrated sulfuric acids carry out sulfonating reaction 8-12h at 70-120 DEG C, obtain reaction solution D, the reaction
Liquid D is hydrolyzed with enough deionized waters to react, and obtains hydrolyzate E, the hydrolyzate E and enough formaldehyde are at 90-110 DEG C
Lower progress polycondensation reaction 8-12h, obtains condensation product F, and the condensation product F is stirred with the liquor C to be reacted, and obtains anti-
Liquid G is answered, the reaction solution G and sodium hydroxide solution carry out neutralization reaction and obtain gasified coal water slurry additive；
Wherein, the charge-mass ratio of the papermaking wastewater and the washing oil is 1:9-9:1.
2. gasified coal water slurry addictive preparation method according to claim 1, which is characterized in that the concentrated sulfuric acid quality is dense
Degree is 90%-98%, and the sodium hydroxide solution mass concentration is 30%-50%.
3. gasified coal water slurry addictive preparation method according to claim 1, which is characterized in that the supernatant B pressurization
Pressure limit when filtering is 0.1-0.3MPa.
4. gasified coal water slurry addictive preparation method according to claim 3, which is characterized in that the papermaking wastewater and institute
The reaction for stating the concentrated sulfuric acid carries out in agitator tank (1), the feed inlet of the agitator tank (1) and the transfer pipeline of the papermaking wastewater
It is all connected with the transfer pipeline of the concentrated sulfuric acid.
5. gasified coal water slurry addictive preparation method according to claim 4, which is characterized in that the reaction solution A and institute
Progress in stating the reaction of milk of lime, being deposited in subsider (2), the feed inlet of the subsider (2) and going out for the agitator tank (1)
Material mouth connection.
6. gasified coal water slurry addictive preparation method according to claim 5, which is characterized in that the supernatant B pressurization
The operation of filtering carries out in filter press (3), and the feed inlet of the filter press (3) is connect with the discharge port of the subsider (2).
7. gasified coal water slurry addictive preparation method according to claim 6, which is characterized in that the washing oil with it is described dense
The sulfonating reaction of sulfuric acid carries out in the sulfonating reaction kettle (5), and the feed inlet of the sulfonating reaction kettle (5) is defeated with the concentrated sulfuric acid
Pipeline and the transfer pipeline of the washing oil is sent to be all connected with.
8. gasified coal water slurry addictive preparation method according to claim 7, which is characterized in that the reaction solution D and institute
The hydrolysis for stating deionized water carries out in hydrolytic tank (6), the feed inlet and the sulfonating reaction kettle of the hydrolytic tank (6)
(5) discharge port connection.
9. gasified coal water slurry addictive preparation method according to claim 8, which is characterized in that the hydrolyzate E and institute
The polycondensation reaction for stating formaldehyde carries out in condensation reaction kettle (7), the feed inlet and the hydrolytic tank of the condensation reaction kettle (7)
(6) transfer pipeline of discharge port and the formaldehyde is all connected with.
10. gasified coal water slurry addictive preparation method according to claim 9, which is characterized in that the condensation product F and institute
It states liquor C and is stirred the operation reacted progress, feed inlet of the mixing and stirring tank (4) in mixing and stirring tank (4)
It is all connected with the discharge port of the condensation reaction kettle (7) and the discharge port of the filter press (3)；The reaction solution G and the hydrogen
The neutralization reaction of sodium hydroxide solution carries out in neutralizing tank (8), the feed inlet of the neutralizing tank (8) and the mixing and stirring tank
(4) discharge port connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735959.8A CN108865301B (en) | 2018-07-06 | 2018-07-06 | Preparation method of gasified coal water slurry additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735959.8A CN108865301B (en) | 2018-07-06 | 2018-07-06 | Preparation method of gasified coal water slurry additive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108865301A true CN108865301A (en) | 2018-11-23 |
| CN108865301B CN108865301B (en) | 2021-04-06 |
Family
ID=64299365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735959.8A Active CN108865301B (en) | 2018-07-06 | 2018-07-06 | Preparation method of gasified coal water slurry additive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108865301B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069759A (en) * | 1991-08-21 | 1993-03-10 | 华煤水煤浆技术联合中心 | High-concentration water-coal slurry additive |
| CN101270309A (en) * | 2008-05-03 | 2008-09-24 | 何敏 | Preparation of slurries with primary slime and sodium lignosulfonic acid powder |
| CN101735870A (en) * | 2009-12-16 | 2010-06-16 | 北京海淀华煤水煤浆技术开发中心 | Coal water slurry additive and preparation method and application thereof |
| CN102199460A (en) * | 2011-04-08 | 2011-09-28 | 陕西伯音科技发展有限公司 | Additive for coal water slurry |
| CN105695001A (en) * | 2016-02-17 | 2016-06-22 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Tar-type coal water slurry additive prepared from composite raw materials and production technology of tar-type coal water slurry additive |
| CN106520231A (en) * | 2016-11-10 | 2017-03-22 | 中煤科工清洁能源股份有限公司 | Preparation method of naphthalene-based coal water slurry additive |
-
2018
- 2018-07-06 CN CN201810735959.8A patent/CN108865301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069759A (en) * | 1991-08-21 | 1993-03-10 | 华煤水煤浆技术联合中心 | High-concentration water-coal slurry additive |
| CN101270309A (en) * | 2008-05-03 | 2008-09-24 | 何敏 | Preparation of slurries with primary slime and sodium lignosulfonic acid powder |
| CN101735870A (en) * | 2009-12-16 | 2010-06-16 | 北京海淀华煤水煤浆技术开发中心 | Coal water slurry additive and preparation method and application thereof |
| CN102199460A (en) * | 2011-04-08 | 2011-09-28 | 陕西伯音科技发展有限公司 | Additive for coal water slurry |
| CN105695001A (en) * | 2016-02-17 | 2016-06-22 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Tar-type coal water slurry additive prepared from composite raw materials and production technology of tar-type coal water slurry additive |
| CN106520231A (en) * | 2016-11-10 | 2017-03-22 | 中煤科工清洁能源股份有限公司 | Preparation method of naphthalene-based coal water slurry additive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108865301B (en) | 2021-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103154097B (en) | method for separating lignin from black liquor | |
| CN102585940B (en) | Sulfomethylated alkali lignin-formaldehyde-sulfonated acetone polymer coal water slurry additive | |
| CN101220565B (en) | Pulping method with zero discharge of sewage water | |
| CN101736638B (en) | Processing method of paper-making pulping black liquor | |
| CN101607881B (en) | Dry production technique and device of calcium stearate | |
| CN102153764B (en) | Method for preparing lignin sodium sulfonate dispersant through advanced catalytic oxidation | |
| CN111704143A (en) | Production process for preparing composite calcium silicate by using rice hull ash | |
| CN103045317B (en) | Lignin serial coal water slurry dispersing agent and preparation method thereof | |
| CN101633627B (en) | Process for producing 3-(N,N-diallyl)amino-4-p-methoxyacetanilide | |
| CN100430362C (en) | Process for preparing high purity crystalline sorbic acid | |
| CN108865301A (en) | Gasified coal water slurry addictive preparation method | |
| CN101333552B (en) | Process for producing yam saponin and co-producing glucose by acid-enzyme method prehydrolyzing turmeric | |
| EP1090095B1 (en) | Composition for manufacture of fuel briquettes | |
| CN102516082B (en) | Method for preparing nitrobenzene through reacting benzene with mixed acid and washing crude nitrobenzene product | |
| CN205313117U (en) | Magnesium hydroxide preparation facilities | |
| CN115418255A (en) | Synthetic method for preparing coal water slurry additive by oxidizing, grafting and modifying papermaking black liquor and using method thereof | |
| CN107513444A (en) | A kind of method that biomass prepares shaped fuel | |
| CN110304608B (en) | Method for preparing ozone and by-product phosphoric acid by liquid-phase oxidation of phosphorus sludge | |
| CN112374961A (en) | Four alkali wash deacidification devices of carbon behind ether | |
| CN208308802U (en) | Slurries additive agent preparation system | |
| CN113998723A (en) | Production device and method of polyaluminum chloride | |
| CN109553507B (en) | Method and system for improving cyclohexene conversion rate | |
| CN100497809C (en) | Process for pulping by biochemical solvent | |
| CN109092212B (en) | Single-bed two-stage continuous operation furfural and paper pulp and lignin poly-generation system and method | |
| CN216778777U (en) | Carbonic acid sodium alcoholate catalyst carbonization separation system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |