CN109384402A - A kind of industrial residue saltcake is used as the processing method of cement ingredient - Google Patents
A kind of industrial residue saltcake is used as the processing method of cement ingredient Download PDFInfo
- Publication number
- CN109384402A CN109384402A CN201710678447.8A CN201710678447A CN109384402A CN 109384402 A CN109384402 A CN 109384402A CN 201710678447 A CN201710678447 A CN 201710678447A CN 109384402 A CN109384402 A CN 109384402A
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- CN
- China
- Prior art keywords
- cement
- saltcake
- waste residue
- sphere
- green
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/48—Clinker treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses the processing methods that a kind of waste residue saltcake is used as cement ingredient, comprising the following steps: 1) in percentage terms by raw material are as follows: sphere material is made in waste residue saltcake 95-98%, iron cement 2-5% after being mixed, and natural curing is dried to green-ball body material.2) green-ball body material is placed in rotary kiln with natural cooling after 100-200 DEG C of low temperature circulation drying and mature sphere material.3) by the ripe only grinds of sphere material list, be directly used in cement or concrete, or by ripe sphere material together with clinker grinding at cement.The method of the present invention is that a kind of low energy consumption, technique is advanced rationally, a kind of good processing method that waste residue saltcake is used as to cement ingredient for the advantages that capable of being substantially reduced the performances such as cement water requirement, reducing cement cost and be good for the environment.
Description
Technical field
The present invention relates to a kind of industrial waste residue disposal methods, especially the waste residue awns to chemical plant production beverage products discharge
A kind of method for the harmless treatment that nitre is carried out as cement ingredient belongs to environmental protection or cement field.
Background technique
Waste residue saltcake is the waste residue of chemical industry station-service sulfuric acid treatment production saltcake discharge containing mineral materials such as UZM-5 HSs, it contains
There is a large amount of SiO2With the other oxides of small part, for water content 40% or so, development and utilization are difficult, can only make Solid state fermentation, long
Phase, pile up like a mountain, a large amount of land occupations, and the waste residue leakage after drenching with rain, a large amount of polluted agricultural lands cause seriously to pollute, are to environment
One of the main evil in chemical plant.In order to turn waste into wealth, public hazards are eliminated, many people have thought many methods, and wherein someone is seeped into water
Make cement ingredient in mud, waste residue saltcake is mainly made one of cement slurry raw material and uses or directly mix cement by method
It is used in clinker, for waste residue saltcake is made one of cement slurry raw material in use, then needing to calcine it in cement kiln
Clinker is sintered into 1500 degree of high temperature Shi Caineng, and consumption of energy increases and production efficiency reduces, so to cost is reduced
Effect it is little, seldom use in actual production.For waste residue saltcake is directly mixed idea used in clinker in reality
It is also difficult to realize in the production of border, because waste residue saltcake is that chemical industry station-service sulfuric acid treatment production beverage containing mineral materials such as UZM-5 HSs produces
The waste residue of product discharge, it contains a large amount of SiO2With the other oxides of small part, water content is such as directly mixed in water 40% or so
In mud clinker, clinker can be made to shift to an earlier date aquation, reduce later hydrated cementitious ability, also because grinding material makes moist, when influencing grinding machine platform
Yield, so being also worth without actual use.In conclusion up to the present, waste residue saltcake is also the failure to largely be used as cement
Ingredient.
Summary of the invention
The purpose of the invention is to overcome above-mentioned directly to make cement raw material and increase energy consumption and reduce production efficiency
Shortcoming, also to overcome directly mix in clinker and so that clinker is shifted to an earlier date aquation and reduce later hydrated cementitious ability and because
Grinding material makes moist and place the deficiencies of influence mill hourly output, provide it is a kind of low energy consumption, do not influence hydrated cementitious ability and
Mill hourly output, can be substantially reduced the performances such as cement water requirement and waste residue saltcake is used as cement by a kind of of reduction cement cost
The processing method of ingredient.
Waste residue saltcake of the invention is used as the processing method of cement ingredient, it is characterised in that the following steps are included:
1) in percentage terms by raw material are as follows: sphere material is made in waste residue saltcake 95-98%, iron cement 2-5% after being mixed, from
So maintenance is dried to green-ball body material；
2) green-ball body material is placed in rotary kiln with natural cooling after 100-200 DEG C of low temperature circulation drying and mature sphere
Material；
3) it by the ripe only grinds of sphere material list, is directly used in cement or concrete, or by ripe sphere material grinding together with clinker
At cement.
The structure of ripe sphere material is set to generate new function base in order to dry green-ball body material and drying temperature can be made low
Group, that is, increase the silicon of atomic small polymolecularity and the hyrate of calcium, and kiln temperature when drying is advisable with 100-200 DEG C.
It is advisable for the ease of dry and drying, the diameter of the sphere material with 1-5mm.
The utility model has the advantages that the waste residue saltcake that this method uses, is chemical industry station-service sulfuric acid treatment containing mineral materials such as UZM-5 HSs
The meeting being discharged when producing saltcake beverage products causes the waste residue seriously polluted to environment, and iron cement is also industrial residue, by certain ratio
Example is mixed and made into sphere material, then through low temperature drying, can make to generate new functional group in product structure, increases atomic small height
The silicon of dispersibility and the hyrate of calcium can preferably generate jointly glued, the used aggregate of hyrate in cement with clinker
Can and it is tightly glued with the slower flyash of hydraulicity hydration rate etc material, and can be mentioned to the slow material of these aquations
For good hydrating condition.Material better rich in endurance quality and water-reducing property, can especially giving the aquation of flyash etc slow
The hydrating condition provided.Therefore, the waste residue saltcake product come out through processing, application can effectively improve cement in cement
The intensity of the stability and cement of gelling performance and Behavior of Hardened Cement Paste can especially reduce the water requirement of Flyash Cement Paste and wear-resistant
Etc. performances, more can solve a great problem short to construction industry cement quality service life at present, also replace road cement use.
The method of the present invention, which effectively overcomes, directly to be made cement raw material and increases energy consumption and reduce the shortcoming of production efficiency, and is overcome
It directly mixes in clinker and so that clinker is shifted to an earlier date aquation and reduce later hydrated cementitious ability and due to grinding material dampness
The deficiencies of influencing mill hourly output place, be a kind of property such as low energy consumption, technique is advanced rationally, can be substantially reduced cement water requirement
A kind of good processing side that waste residue saltcake is used as to cement ingredient for the advantages that, reducing cement cost and be good for the environment
Method.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the examples below, the embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
Embodiment 1
Weight percent is calculated as: waste residue saltcake 98%, iron cement 2%, it is 1-5mm sphere material that diameter is made after being mixed, from
So maintenance is dried to green-ball body material, and green-ball body material is placed in revolution kiln drying, and when drying temperature is up to 200 DEG C, circulating cooling goes out
Kiln, the powder worn into are waste residue awns pin product.Waste residue awns pin product is mixed by a certain percentage and is used to replace commodity cement
As cementitious material, cement physical properties are tested according to the related cement standard of ISO respectively, shown in test result table 1.
Table 1 handles the results of property that waste residue awns pin replaces commercial fly ashes cement
Seen from table 1, the water requirement performance after a certain proportion of waste residue awns pin powder is mixed in the pulverized fuel ash cement of existing goods
And flexural strength, compression strength are all better than the pulverized fuel ash cement for not mixing waste residue saltcake, wherein with the need of the mixed proportion of serial number 3
Water is less.
Embodiment 2
Weight percent is calculated as waste residue saltcake 96%, diameter is made for 1-5mm sphere material, naturally in iron cement 4% after being mixed
Maintenance is dried to green-ball body material, and green-ball body material is placed in revolution kiln drying, when drying temperature is up to 150 DEG C, circulating cooling kiln discharge,
The waste residue saltcake handled with gained is 50% and clinker 44%, gypsum 6%, and per distribution ratio mixing grinds, abbreviation are mixed by weight
Powder is closed, is then mixed into cementitious material with commodity gypsum ground-slag, tries ordinary cement, road according to the related cement standard criterion of ISO
Cement physical properties, shown in test result table 2.
The results of property of table 2 mixed powder and slag powders cementitious material and ordinary cement road cement
As can be seen from Table 2, mixing the water requirement performance after a certain proportion of waste residue saltcake mixture in existing commodity slag powders
All it is better than the ordinary cement and road cement for not mixing waste residue saltcake mixed powder with flexural strength, compression strength, it can be seen that, it can be very
Good substitution road cement uses.
Embodiment 3
Weight percent is calculated as waste residue saltcake 95%, it is 1-5mm sphere material that diameter, which is made, in iron cement 5% after being mixed, natural
Maintenance is dried to green-ball body material, and green-ball body material is placed in revolution kiln drying, when drying temperature is up to 100 DEG C, circulating cooling kiln discharge,
The powder worn into is waste residue saltcake product.Waste residue saltcake product is mixed by a certain percentage and is used to substitute pure clinker cement and is made
For cementitious material, grinding tests skillful material water according to the related cement standard of ISO respectively at cementitious material together with pure clinker cement
Mud physical property, shown in test result table 3.
Results of property of the table 3 containing processing waste residue saltcake cement and pure clinker cement
As shown in Table 3, a certain amount of waste residue saltcake product powder is mixed in pure clinker cement, physical property is than pure clinker cement
More preferably, the quality of pure clinker cement is best in cement, but cost be also it is highest, after mixing part mirabilite powder
Quality can have further raising, and cost can be but decreased obviously because of the low cost of waste residue mirabilite powder product.
In above-mentioned actual measurement, the waste residue saltcake that chemical plant is discharged is processed into waste residue mirabilite powder by appropriate ratio with this method
Example is incorporated into various cement products or concrete, can effectively improve cement quality, reduces water requirement in cement, and can reduce water
Mud cost is actually used through related engineering, and cement quality has intensity high, reduces the water requirement of 35-45%, is received and is starched than very fast,
Resist the performances such as wear-resisting all than do not mix waste residue mirabilite powder product it is high-quality the advantages that, so, with this method handle waste residue awns
Nitre product energy consumption is low, high-quality, production it is high-quality the advantages that, so, with this method handle waste residue saltcake product energy consumption it is low,
It is high-quality, about 130 yuan/ton of the waste residue saltcake product of production, and also pure clinker cement is 350-400 yuan/ton, and water can be made after incorporation
Mud label improves a grade, can blend material more, few to keep the cost of various cement products lower with skillful material, and improves various
The performance of cement substantially reduces various cement water requirements, so the waste residue saltcake product produced with this method is in manufacture of cement
In very optimistic good of application prospect, even more meet the cycle development of National Industrial waste residue resource and be good for the environment policy
The good method to turn waste into wealth.
The foregoing is merely highly preferred embodiment of the present invention, are not intended to limit the invention, all in base of the invention
Within plinth and spiritual principles, made any modification, equivalent replacement, improve etc. should be included in protection scope of the present invention it
It is interior.
Claims (2)
1. the processing method that a kind of waste residue saltcake is used as cement ingredient, which comprises the following steps:
1) by weight percentage by raw material are as follows: sphere is made in waste residue saltcake 95-98% and iron cement 2-5% after being mixed
Material, natural curing are dried to green-ball body material；
2) green-ball body material is placed in 100-200 DEG C of low temperature circulation drying in rotary kiln, and cools down kiln discharge and mature sphere
Material；
3) it by the ripe only grinds of sphere material list, is directly used in cement or concrete, or by ripe sphere material grinding together with clinker
At various cement.
2. the processing method that waste residue saltcake as described in claim 1 is used as cement ingredient, which is characterized in that the sphere material
Diameter is 1-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678447.8A CN109384402A (en) | 2017-08-10 | 2017-08-10 | A kind of industrial residue saltcake is used as the processing method of cement ingredient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678447.8A CN109384402A (en) | 2017-08-10 | 2017-08-10 | A kind of industrial residue saltcake is used as the processing method of cement ingredient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109384402A true CN109384402A (en) | 2019-02-26 |
Family
ID=65415267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710678447.8A Pending CN109384402A (en) | 2017-08-10 | 2017-08-10 | A kind of industrial residue saltcake is used as the processing method of cement ingredient |
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| Country | Link |
|---|---|
| CN (1) | CN109384402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655934A (en) * | 2022-03-15 | 2022-06-24 | 金川镍钴研究设计院有限责任公司 | Method for producing sodium sulfide by treating sodium sulfate by combining rotary kiln and electric furnace |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041562A (en) * | 2007-02-27 | 2007-09-26 | 谭纪林 | Handling method for using aluminum sulfate slag as cement ingredient |
-
2017
- 2017-08-10 CN CN201710678447.8A patent/CN109384402A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041562A (en) * | 2007-02-27 | 2007-09-26 | 谭纪林 | Handling method for using aluminum sulfate slag as cement ingredient |
Non-Patent Citations (1)
| Title |
|---|
| 胡修权: "《工业铁质废料综合利用技术浅析》", 《中国资源综合利用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655934A (en) * | 2022-03-15 | 2022-06-24 | 金川镍钴研究设计院有限责任公司 | Method for producing sodium sulfide by treating sodium sulfate by combining rotary kiln and electric furnace |
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Application publication date: 20190226 |