CN110357543A - A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge - Google Patents

A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge Download PDF

Info

Publication number
CN110357543A
CN110357543A CN201910819979.8A CN201910819979A CN110357543A CN 110357543 A CN110357543 A CN 110357543A CN 201910819979 A CN201910819979 A CN 201910819979A CN 110357543 A CN110357543 A CN 110357543A
Authority
CN
China
Prior art keywords
desulfurization wastewater
wall body
wastewater sludge
sludge
body brick
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
Application number
CN201910819979.8A
Other languages
Chinese (zh)
Other versions
CN110357543B (en
Inventor
谷建辉
焦江涛
陈庆磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Heng Bo Environment Polytron Technologies Inc
Original Assignee
Zhengzhou Heng Bo Environment Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Heng Bo Environment Polytron Technologies Inc filed Critical Zhengzhou Heng Bo Environment Polytron Technologies Inc
Priority to CN201910819979.8A priority Critical patent/CN110357543B/en
Publication of CN110357543A publication Critical patent/CN110357543A/en
Application granted granted Critical
Publication of CN110357543B publication Critical patent/CN110357543B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention discloses a kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge, and comprise the following raw materials by weight percent: desulfurization wastewater sludge 45-55%, cement 33-43%, animal protein foaming agent 5-7%, remaining is water.The desulfurization wastewater sludge is the sludge that Northern Part of China power plant desulfurization wastewater handles that engineering generates, and wherein the weight ratio of magnesium hydroxide is greater than 60% in solids, moisture percentage in sewage sludge 45-55%.Compared with prior art, advantages of the present invention is as follows: desulfurization wastewater sludge is used to prepare light flame-retardant wall body brick by 1. present invention, makes full use of waste resource, environmentally protective;2. in inventive formulation, the flame retardant property of wall body brick is improved using the magnesium hydroxide contained in desulfurization wastewater sludge;3. in inventive formulation, forming closing spherical shape, disconnected stomata using animal protein foaming agent, improving the anti-flammability of wall body brick, substantially reduce density of material, mitigate weight.

Description

A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge
Technical field
The invention belongs to Environmental-protection recycling and building materials to form technical field, and in particular to a kind of containing desulfurization wastewater sludge Light flame-retardant wall body brick and preparation method thereof.
Background technique
Currently, the most widely used flue gas desulfurization technique in coal-burning power plant is mainly one gypsum of Wet Limestone.Flue gas is de- Sulphur process will generate more Waste Water Containing Sulfur, and Waste Water Containing Sulfur processing generates a large amount of desulfurization wastewater sludge again.National requirements is each Power plant starts flue gas desulfurization project, and incident is that desulfurization wastewater sludge yield increasingly goes up, and the desulfurization of bulk deposition is useless Sewage sludge seriously restricts the development of enterprise, and causes damages to environment and ecology.
Desulfurization wastewater sludge has the characteristics such as salinity is high, moisture content is high, viscosity is big, volume is big, is not easy to be dehydrated, very unstable It is fixed, it is largely water, magnesium hydroxide, calcium sulfate, coal ash, aluminium-silicon oxide and a small amount of heavy metal hydroxide in constituent Deng.If improper to Treatment of Sludge, pollution not only can be generated to environment, can also cause serious wound to the health of people Evil.
Currently used desulfurization wastewater sludge disposal technology mainly fills, and polluted underground water problem easily occurs.
There are also make cement retarder, insulation blocks etc. using desulfurization wastewater sludge on a small quantity.It can be improved as cement retarder The intensity of cement still has an improvement result to the structure of hardening of cement body and performance, but due in desulfurization wastewater sludge containing big Magnesium hydroxide is measured, the expansion of cement is easily caused.As heat preservation stripping and slicing, water repelling property and intensity are significantly better than that common building material Material, but since insulation blocks need to calcine, sulfur dioxide is released again, is polluted.
Above-mentioned desulfurization wastewater recycling sludge method has respective limitation, how to develop a kind of more simple and effective The method of recycling is of great significance to environmental protection and resource in utilization.
Summary of the invention
The purpose of the present invention is to solve above-mentioned recycling confinement problems of the existing technology, providing a kind of will take off The method that sulphur wastewater sludge is cured as light flame-retardant wall body brick.
To achieve the above object, the solution of the present invention is as follows:
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 45-55%, cement 33-43%, animal protein foaming agent 5-7%, remaining is water.
The desulfurization wastewater sludge is the sludge that Northern Part of China power plant desulfurization wastewater handles that engineering generates, wherein solid The weight ratio of magnesium hydroxide is greater than 60% in object, moisture percentage in sewage sludge 45-55%.
The cement is portland cement.
The animal protein foaming agent is animal hoof and foot foaming agent.
The preparation method of the light flame-retardant wall body brick containing desulfurization wastewater sludge, specific steps are as follows: desulfurization is given up Sewage sludge, cement sequentially add in container, closed, stir evenly under room temperature, and then water is added after mixing evenly in average rate, are starched Material reuses foaming machine and injects animal protein foaming agent in slurry, is stirred, then be transferred to and poured into molding equipment Molding is transferred to time control in 20min, carries out natural curing later and obtains light flame-retardant wall body brick finished product.
The method of the natural curing specifically: after being conserved 28 days under the conditions of 10 DEG C of temperature or more of natural curing to obtain the final product Finished product.
The condition of the stirring are as follows: mixing time 10-20min, speed of agitator 25-35r/min.
The utility model has the advantages that
Compared with prior art, advantages of the present invention is as follows:
1. desulfurization wastewater sludge is used to prepare light flame-retardant wall body brick by the present invention, waste resource is made full use of, it is environmentally protective;
2. in inventive formulation, the flame retardant property of wall body brick is improved using the magnesium hydroxide contained in desulfurization wastewater sludge;
3. in inventive formulation, forming closing spherical shape, disconnected stomata using animal protein foaming agent, improving wall body brick Anti-flammability substantially reduces density of material, mitigates weight.
Specific embodiment
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization Wastewater sludge 45-55%, cement 33-43%, animal protein foaming agent 5-7%, remaining is water.
Further, the desulfurization wastewater sludge is the dirt that Northern Part of China power plant desulfurization wastewater handles that engineering generates Mud, wherein the weight ratio of magnesium hydroxide is greater than 60% in solids, moisture percentage in sewage sludge 45-55%.
Further, the cement is portland cement, it is preferred to use the common commercially available silicate of label 325 or 425 Cement.
The animal protein foaming agent is animal hoof and foot foaming agent, and animal hoof and foot foaming agent is commercial product, such as can be with The animal hoof and foot foaming agent produced using the prosperous industrial and mineral Machinery Co., Ltd. of Jining remittance.
The present invention also provides the preparation methods of the light flame-retardant wall body brick containing desulfurization wastewater sludge described in one kind, specifically Step are as follows: desulfurization wastewater sludge, cement are sequentially added in container, it is closed, it is stirred evenly under room temperature, then average rate is added water and stirs Mix uniformly after, obtain slurry, reuse foaming machine by animal protein foaming agent inject slurry in, be stirred, then be transferred to at Pouring molding is carried out in type equipment, is transferred to time control in 20min, is carried out natural curing later and is obtained light flame-retardant wall Brick finished product.
Further, the method for the natural curing specifically: conserved under the conditions of 10 DEG C of temperature or more of natural curing It is got product after 28 days.
Further, the condition of the stirring are as follows: mixing time 10-20min, speed of agitator 25-35r/min.
The present invention is further explained in the light of specific embodiments, and the raw material total amount of following example is 50kg.
Embodiment 1
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 45%, cement 43%, animal protein foaming agent 5%, remaining is water.
The preparation method of the light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the steps of: will take off Sulphur wastewater sludge, cement sequentially add in container, closed, and 25r/min, which stirs 10min, under room temperature keeps it uniform, and then average rate adds Enter water after mixing evenly, obtain slurry, reuses foaming machine and inject animal protein foaming agent in slurry, be stirred, then turn Enter into molding equipment and carry out pouring molding, time control is transferred in 20min, later in 10 DEG C of temperature or more of natural conditions Lower maintenance can carry for the time 7 days or more, can form within 28 days finished product use.
Embodiment 2
Difference from example 1 is that:
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 48%, cement 40%, animal protein foaming agent 6%, remaining is water.
Embodiment 3
Difference from example 1 is that:
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 51%, cement 37%, animal protein foaming agent 7%, remaining is water.
Embodiment 4
Difference from example 1 is that:
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 53%, cement 35%, animal protein foaming agent 7%, remaining is water.
Embodiment 5
Difference from example 1 is that:
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 55%, cement 33%, animal protein foaming agent 7%, remaining is water.
Embodiment 6
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 55%, cement 33%, animal protein foaming agent 7%, remaining is water.
The preparation method of the light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the steps of: will take off Sulphur wastewater sludge, cement sequentially add in container, closed, and 35r/min, which stirs 20min, under room temperature keeps it uniform, and then average rate adds Enter water after mixing evenly, obtain slurry, reuses foaming machine and inject animal protein foaming agent in slurry, be stirred, then turn Enter into molding equipment and carry out pouring molding, time control is transferred in 20min, later in 10 DEG C of temperature or more of natural conditions Lower maintenance can carry for the time 7 days or more, can form within 28 days finished product use.
Embodiment 7
A kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the following raw materials by weight percent: desulfurization wastewater Sludge 45%, cement 43%, animal protein foaming agent 5%, remaining is water.
The preparation method of the light flame-retardant wall body brick containing desulfurization wastewater sludge, comprises the steps of: will take off Sulphur wastewater sludge, cement sequentially add in container, closed, and 30r/min, which stirs 15min, under room temperature keeps it uniform, and then average rate adds Enter water after mixing evenly, obtain slurry, reuses foaming machine and inject animal protein foaming agent in slurry, be stirred, then turn Enter into molding equipment and carry out pouring molding, time control is transferred in 20min, later in 10 DEG C of temperature or more of natural conditions Lower maintenance can carry for the time 7 days or more, can form within 28 days finished product use.
To prove effect of the invention, physical property test test is carried out by taking the product of embodiment 1 to 5 as an example below:
1. control group is arranged: 4 control groups are arranged according to brick body material commonly used in the prior art, respectively control group 1(steams Pressing fly ash brick), control group 2(porous brick), control group 3(air-entrained concrete building block), control group 4(foamed concrete).
2. test group is arranged: being followed successively by test group 1-5 with the product of embodiment 1 to 5.
3. detection: detection method is carried out according to relevant national standard, testing result such as the following table 1, wherein in table 1, control Record of the related data of group 1 in JCT 239-2014, the related data of control group 2 is in GB 13544-2011 The record of sintered perforated brick and porous building-brick, steam pressurized coagulation of the related data of control group 3 in GB 11968-2006 The record of earth building blocks, the record of foam concrete of the related data of control group 4 in JGT 266-2011.
The testing result of 1 different tests group of table compares
Project Density kg/m3 Thermal coefficient w/ (mK) Compression strength MPa
Control group 1(autoclaved fly ash brick) 1400-1500 0.65 10-20
Control group 2(porous brick) 800-1200 0.58 3.5-30
Control group 3(air-entrained concrete building block) 500-600 0.16-0.28 1.0-10
4 foamed concrete of control group) 300-1200 0.19-0.22 0.3-0.5
Test group 1 740 0.17 0.65
Test group 2 737 0.17 0.63
Test group 3 732 0.16 0.58
Test group 4 730 0.16 0.57
Test group 5 730 0.16 0.58
As it can be seen from table 1 the density for the product that the embodiment of the present invention 1-4 is obtained is less than control group 1, control group 2, control group 3 density, and it is close with the density of control group 4, show that weight of the invention is close compared with prior art or relatively light;The present invention Thermal coefficient be approximately less than the thermal coefficient of control group 1-4, show that heat insulation effect of the invention is more preferable, flame retardant property is more preferable; Fire-retardant wall body brick is used as the wall inner lining or interior wall of not pressure-bearing, and compression strength requires lower.Raw material half of the invention The sludge generated from power plant desulfurization wastewater processing, almost without cost, and vention fully achieves waste resource recovery Target.
The above is optimization formula of the invention, it is noted that for those skilled in the art, the present invention is not It is restricted to the described embodiments, under the premise of not departing from general idea of the present invention, several changes of component ratio can also be made Change and improve, these also should be considered as protection scope of the present invention.

Claims (7)

1. a kind of light flame-retardant wall body brick containing desulfurization wastewater sludge, it is characterised in that: by the raw material of following weight percent Composition: desulfurization wastewater sludge 45-55%, cement 33-43%, animal protein foaming agent 5-7%, remaining is water.
2. the light flame-retardant wall body brick containing desulfurization wastewater sludge as described in claim 1, it is characterised in that: the desulfurization is useless Sewage sludge be Northern Part of China power plant desulfurization wastewater handle engineering generate sludge, wherein in solids magnesium hydroxide weight Than being greater than 60%, moisture percentage in sewage sludge 45-55%.
3. the light flame-retardant wall body brick containing desulfurization wastewater sludge as described in claim 1, it is characterised in that: the cement is Portland cement.
4. the light flame-retardant wall body brick containing desulfurization wastewater sludge as described in claim 1, it is characterised in that: the animal egg White hair infusion is animal hoof and foot foaming agent.
5. the preparation method of the light flame-retardant wall body brick according to any one of claims 1-4 containing desulfurization wastewater sludge, It is characterized in that: specific steps are as follows: desulfurization wastewater sludge, cement are sequentially added in container, it is closed, it is stirred evenly under room temperature, so Water is added after mixing evenly in average rate afterwards, obtains slurry, reuses foaming machine and injects animal protein foaming agent in slurry, is stirred It mixes, then is transferred into molding equipment and carries out pouring molding, be transferred to time control in 20min, carry out natural curing later to obtain the final product To light flame-retardant wall body brick finished product.
6. the preparation method of the light flame-retardant wall body brick containing desulfurization wastewater sludge as claimed in claim 5, it is characterised in that: The method of the natural curing specifically: got product after being conserved 28 days under the conditions of 10 DEG C of temperature or more of natural curing.
7. the preparation method of the light flame-retardant wall body brick containing desulfurization wastewater sludge as claimed in claim 5, it is characterised in that: The condition of the stirring are as follows: mixing time 10-20min, speed of agitator 25-35r/min.
CN201910819979.8A 2019-08-31 2019-08-31 Lightweight flame-retardant wall brick containing desulfurization wastewater sludge and preparation method thereof Active CN110357543B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910819979.8A CN110357543B (en) 2019-08-31 2019-08-31 Lightweight flame-retardant wall brick containing desulfurization wastewater sludge and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910819979.8A CN110357543B (en) 2019-08-31 2019-08-31 Lightweight flame-retardant wall brick containing desulfurization wastewater sludge and preparation method thereof

Publications (2)

Publication Number Publication Date
CN110357543A true CN110357543A (en) 2019-10-22
CN110357543B CN110357543B (en) 2021-12-07

Family

ID=68225630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910819979.8A Active CN110357543B (en) 2019-08-31 2019-08-31 Lightweight flame-retardant wall brick containing desulfurization wastewater sludge and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110357543B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100796722B1 (en) * 2006-12-29 2008-01-24 한국지질자원연구원 Method for solidifying sewage sludge
CN101381212A (en) * 2008-10-24 2009-03-11 重庆大学 Sludge building material and preparation method thereof
CN101851086A (en) * 2010-03-26 2010-10-06 王爱瑞 Method for producing sludge self-insulation brick
CN101941820A (en) * 2010-08-10 2011-01-12 浙江迪邦化工有限公司 Method for making baking-free bricks by using dye waste water coagulated sludge and baking-free bricks
CN102225857A (en) * 2011-04-21 2011-10-26 株洲政中新型环保免烧砖有限公司 Non-burnt brick produced by sludge and producing method thereof
CN102643070A (en) * 2012-05-11 2012-08-22 同济大学 Ceramsite heat-preservation building block using non-calcined desulfurized gypsum as main cementing material and preparation method thereof
KR20140131698A (en) * 2013-05-06 2014-11-14 박재석 The manufacturing method of block using industrial byproducts
CN104230280A (en) * 2014-09-12 2014-12-24 武汉理工大学 Low-shrinkage sludge ceramsite alkali-activated full-slag foam concrete plate and preparation method thereof
CN104291746A (en) * 2014-09-04 2015-01-21 上海露蕾化工(六安)有限公司 Flame retardant heat preservation wallboard and preparation method thereof
WO2017011553A1 (en) * 2015-07-13 2017-01-19 Mason Greenstar, Inc. Method of fabrication of a lightweight aggregate and product formed from paper mill sludge
CN106430794A (en) * 2016-12-20 2017-02-22 大唐国际化工技术研究院有限公司 Resourceful treatment method and treatment system for desulfuration wastewater
CN107673719A (en) * 2017-11-02 2018-02-09 中晶蓝实业有限公司 The method of flue gas desulfurization and denitrification production light concrete product based on red mud
CN107954659A (en) * 2017-11-30 2018-04-24 清远绿由环保科技有限公司 A kind of foamed light heat-preserving wall produced with electroplating sludge and its manufacture method

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100796722B1 (en) * 2006-12-29 2008-01-24 한국지질자원연구원 Method for solidifying sewage sludge
CN101381212A (en) * 2008-10-24 2009-03-11 重庆大学 Sludge building material and preparation method thereof
CN101851086A (en) * 2010-03-26 2010-10-06 王爱瑞 Method for producing sludge self-insulation brick
CN101941820A (en) * 2010-08-10 2011-01-12 浙江迪邦化工有限公司 Method for making baking-free bricks by using dye waste water coagulated sludge and baking-free bricks
CN102225857A (en) * 2011-04-21 2011-10-26 株洲政中新型环保免烧砖有限公司 Non-burnt brick produced by sludge and producing method thereof
CN102643070A (en) * 2012-05-11 2012-08-22 同济大学 Ceramsite heat-preservation building block using non-calcined desulfurized gypsum as main cementing material and preparation method thereof
KR20140131698A (en) * 2013-05-06 2014-11-14 박재석 The manufacturing method of block using industrial byproducts
CN104291746A (en) * 2014-09-04 2015-01-21 上海露蕾化工(六安)有限公司 Flame retardant heat preservation wallboard and preparation method thereof
CN104230280A (en) * 2014-09-12 2014-12-24 武汉理工大学 Low-shrinkage sludge ceramsite alkali-activated full-slag foam concrete plate and preparation method thereof
WO2017011553A1 (en) * 2015-07-13 2017-01-19 Mason Greenstar, Inc. Method of fabrication of a lightweight aggregate and product formed from paper mill sludge
CN106430794A (en) * 2016-12-20 2017-02-22 大唐国际化工技术研究院有限公司 Resourceful treatment method and treatment system for desulfuration wastewater
CN107673719A (en) * 2017-11-02 2018-02-09 中晶蓝实业有限公司 The method of flue gas desulfurization and denitrification production light concrete product based on red mud
CN107954659A (en) * 2017-11-30 2018-04-24 清远绿由环保科技有限公司 A kind of foamed light heat-preserving wall produced with electroplating sludge and its manufacture method

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
HAN, JT ET AL: "Experimental Study on New Technology for Solidifying/Stabilizing Papermaking Sludge", 《 ADVANCED MATERIALS RESEARCH》 *
JIANHUA KANG ET AL: "Utilisation of FGD gypsum for silicate removal from scheelite flotation wastewater", 《CHEMICAL ENGINEERING JOURNAL》 *
万辉: "浅析污泥水泥固化技术与工艺", 《工程建设与设计》 *
冷发光等: "《混凝土耐久性及其检验评价方法》", 30 April 2012, 中国建材工业出版社 *
张巨松等: "《混凝土原材料》", 31 January 2019, 哈尔滨工业大学出版社 *
张英华等: "《防灭火系统设计》", 30 June 2019, 冶金工业出版社 *
汪靓等: "污泥建材利用现状及前景探讨", 《给水排水》 *
王中原等: "氧化镁湿法烟气脱硫废水处理技术探讨", 《中国环保产业》 *

Also Published As

Publication number Publication date
CN110357543B (en) 2021-12-07

Similar Documents

Publication Publication Date Title
CN105859243A (en) Magnesium oxysulfate cement foamed bricks and preparation method therefor
CN110386795B (en) Lightweight flame-retardant diatomite brick and preparation method thereof
CN106277996A (en) A kind of paper mill sludge porous heat-insulating packing material and preparation method thereof
US4537633A (en) Portland cement, process for preparing same, and compositions containing same
CN106220067A (en) A kind of slag fire-retardant heat insulation foam concrete and preparation method thereof
CN112573884A (en) High-toughness alkali slag granite powder aerated concrete block and preparation method thereof
CN107089841A (en) A kind of low-cost high-strength foam concrete and preparation method thereof
CN110423137A (en) A kind of novel environment friendly ardealite high-strength light walling product and preparation method thereof
CN112851255A (en) Self-heat-insulation building material for high and cold areas and preparation method
CN105985092A (en) Energy-saving thermal-insulation material for wall
CN110357557B (en) Flame-retardant diatomite wall brick and preparation method thereof
CN102674726A (en) Water-resistance and high-strength desulfurized gypsum powder
CN103911160A (en) High-titanium slag soft soil stabilizer
KR100889393B1 (en) Recycling composition of sewage or waste water sludge, sidewalk block and making method of sidewalk block using it
CN110357542B (en) Flame-retardant wall brick containing desulfurization wastewater sludge and preparation method thereof
CN110357543A (en) A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge
CN111116068B (en) Alkaline residue magnesium oxychloride cement and preparation method and application thereof
Jahandari et al. Effects of different integral hydrophobic admixtures on the properties of concrete
CN109928654B (en) Modified leaf fiber light-weight heat-insulation concrete and preparation method thereof
CN110498658A (en) A kind of ardealite base assembling type outer wall plate and preparation method thereof
CN110818373A (en) Desulfurized gypsum based EPS particle heat-insulation wall and preparation method thereof
CN107746289B (en) Preparation process of corrosion-resistant and freezing-resistant aerated brick
CN105016679A (en) Ammonium polyphosphate aging-resistance modified air-entrained brick and preparation method therefor
CN105669126B (en) A kind of high-strength foam thermal insulation concrete and preparation method thereof
CN108623233A (en) A kind of curing agent and its application for the processing of sulfonation well drilling detritus

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