CN115504805A - 一种生球含热值的低密度全固废赤泥陶粒制备方法 - Google Patents
一种生球含热值的低密度全固废赤泥陶粒制备方法 Download PDFInfo
- Publication number
- CN115504805A CN115504805A CN202211359830.4A CN202211359830A CN115504805A CN 115504805 A CN115504805 A CN 115504805A CN 202211359830 A CN202211359830 A CN 202211359830A CN 115504805 A CN115504805 A CN 115504805A
- Authority
- CN
- China
- Prior art keywords
- ceramsite
- red mud
- solid waste
- calorific value
- value
- 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
- 239000002910 solid waste Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000008188 pellet Substances 0.000 claims abstract description 25
- 238000010304 firing Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000010802 sludge Substances 0.000 claims description 9
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 9
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 9
- 238000004131 Bayer process Methods 0.000 claims description 3
- 239000002028 Biomass Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 10
- 238000002156 mixing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 abstract 2
- 230000000704 physical effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 13
- 239000002956 ash Substances 0.000 description 10
- 238000004056 waste incineration Methods 0.000 description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 8
- 229910052814 silicon oxide Inorganic materials 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000010998 test method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
- C04B33/1322—Red mud
-
- 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
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
本发明公开了一种生球含热值的低密度全固废赤泥陶粒制备方法,采用赤泥和含热值固废作为原料,混合后得到陶粒生球;赤泥的质量百分比为30‑60%,含热值固废的质量百分比为40‑70%,陶粒生球的热值大于200kcal/kg;在烧制温度为1100‑1200℃下对陶粒生球进行烧制,得到轻质陶粒;通过控制赤泥和含热值固废的质量百分比以及烧制温度的变化,控制得到的轻质陶粒的堆积密度在400‑800kg/m3。本发明以赤泥为主要原料,大比例掺入含热值固废,不仅起到提供烧成内热并降低烧结能耗作用,还起到降低陶粒密度并提升陶粒品质的效果。利用本发明制作得到的陶粒生球热值大于200kcal/kg,烧失量大,从而使得赤泥陶粒通过添加不同含热值固废,以及控制烧结温度,可以实现赤泥陶粒的物理性能和密度等级调控。
Description
技术领域
本发明涉及化工生产技术领域,具体涉及一种生球含热值的低密度全固废赤泥陶粒制备方法。
背景技术
对于赤泥陶粒的制备过程,如何降低其烧成能耗,以及调控其性能是关键。
中国专利申请ZL202110905653.4公开的一种渣土-拜耳法赤泥基陶粒及其制备方法,该方法中赤泥添加量较小,不超过30%。中国专利申请ZL202011086173.1公开了一种赤泥基高强度陶粒及其制备方法,其中赤泥虽然高掺量,但是需要添加天然材料,难以实现全固废协同利用。中国专利申请ZL201910178465.9公开了一种利用赤泥和粉煤灰制备多级孔陶粒的方法,虽然实现了全固废协同制备陶粒,但是需要进行湿法处理。中国专利申请ZL201911393363.5公开了一种工业固废利用内燃烧结工艺制备陶粒砂的方法,该方案中仅考虑了掺入煤矸石或碳颗粒热值降低烧结能耗,因此需要向烘干后的半成品陶粒中添加碳粒,没有考虑不同热值配料可以改变成品密度的特性,因此难以制备低密度陶粒。另外,免烧陶粒难以确保“碱金属”安全,而采用烧结法能耗高导致成本高。
因此开发一种高赤泥掺量、全固废、低密度高强度的赤泥基烧结陶粒制备及密度控制方法,具有重要的经济发展和环境保护作用。
发明内容
针对现有技术的不足,本发明旨在提供一种生球含热值的低密度全固废赤泥陶粒制备方法。
为了实现上述目的,本发明采用如下技术方案:
一种生球含热值的低密度全固废赤泥陶粒制备方法,其特征在于,采用赤泥和含热值固废作为原料,混合后得到陶粒生球;赤泥的质量百分比为30-60%,含热值固废的质量百分比为40-70%,陶粒生球的热值大于200kcal/kg;在烧制温度为1100-1200℃下对陶粒生球进行烧制,得到轻质陶粒;
通过控制赤泥和含热值固废的质量百分比以及烧制温度的变化,控制得到的轻质陶粒的堆积密度在400-800kg/m3。
进一步地,所述赤泥为拜耳法赤泥,其Fe2O3质量含量为10-50%,其氧化钠质量含量为5-10%。
进一步地,含热值的固废的热值为500-2000kcal/kg,烧失量为20-60%,且烧失后的化学组成中氧化硅加上氧化铝的总质量百分含量大于50%。
进一步地,所述含热值固废包括煤矸石和市政污泥中的一种或两种。
更进一步地,所述含热值固废还包括生物质固废。
更进一步地,轻质陶粒的粒度在5-19mm之间。
本发明的有益效果在于:本发明以赤泥为主要原料,大比例掺入含热值固废,如煤矸石、市政污泥、生物质固废等,掺入的大比例含热值固废不仅起到提供烧成内热并降低烧结能耗作用,还起到降低陶粒密度并提升陶粒品质的效果。利用本发明制作得到的陶粒生球热值大于200kcal/kg,烧失量大,从而使得赤泥陶粒通过添加不同含热值固废,以及控制烧结温度,可以实现赤泥陶粒的物理性能和密度等级调控。
具体实施方式
以下将对本发明作进一步的描述,需要说明的是,本实施例以本技术方案为前提,给出了详细的实施方式和具体的操作过程,但本发明的保护范围并不限于本实施例。
实施例1:
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和市政污泥为原料,混合后得到陶粒生球。赤泥质量百分含量为30%,污泥质量百分含量为70%,其中赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%。市政污泥的热值为1845kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为65.079%。陶粒生球的热值为1291.5kcal/kg。在烧制温度1180℃下烧制得到轻质陶粒,轻质陶粒的堆积密度为735.35kg/m3,吸水率为0.188%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
实施例2
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和市政污泥为原料,混合后得到陶粒生球。赤泥质量百分含量为30%,市政污泥质量百分含量为70%,其中赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%,污泥的热值为1845kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为65.079%。陶粒生球的热值为1291.5kcal/kg。在烧制温度1200℃下烧制得到轻质陶粒,轻质陶粒的堆积密度为691.35kg/m3,吸水率为0.182%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
实施例3
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和煤矸石为主原料,并添加有垃圾焚烧灰,混合后得到陶粒生球。赤泥质量百分含量为40%,煤矸石质量百分含量为52%,垃圾焚烧灰质量百分含量为8%。其中赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%,煤矸石的热值为586kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为84.27%。陶粒生球的热值为304.72kcal/kg。在烧制温度1140℃烧制得到轻质陶粒,轻质陶粒的堆积密度为626kg/m3,吸水率为0.39%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
实施例4
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和煤矸石为主原料,并添加有垃圾焚烧灰,混合后得到陶粒生球。赤泥质量百分含量为40%,煤矸石质量百分含量为52%,垃圾焚烧灰质量百分含量为8%。赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%。煤矸石的热值为586kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为84.27%。陶粒生球的热值为304.72kcal/kg。在烧制温度1160℃下烧制得到轻质陶粒,轻质陶粒的堆积密度为626kg/m3,吸水率为0.39%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
实施例5
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和煤矸石为主原料,并添加有垃圾焚烧灰,混合后得到陶粒生球。赤泥质量百分含量为45%,煤矸石质量百分含量为47%,垃圾焚烧灰质量百分含量为8%。赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%。煤矸石的热值为586kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为84.27%。陶粒生球的热值为275.42kcal/kg。在烧制温度1160℃下烧制得到轻质陶粒,轻质陶粒的堆积密度为675kg/m3,吸水率为0.71%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
实施例6
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和煤矸石为主原料,并添加有垃圾焚烧灰,混合后得到陶粒生球。赤泥质量百分含量为45%,煤矸石质量百分含量为47%,垃圾焚烧灰质量百分含量为8%。赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%。煤矸石的热值为586kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为84.27%。陶粒生球的热值为275.42kcal/kg。在烧制温度1180℃下烧制得到轻质陶粒,轻质陶粒的堆积密度为532kg/m3,吸水率为1.22%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
实施例7
本实施例提供一种生球含热值的低密度全固废赤泥陶粒制备方法,以赤泥和煤矸石为主原料,并添加有垃圾焚烧灰,混合后得到陶粒生球。赤泥质量百分含量为50%,煤矸石质量百分含量为45%,垃圾焚烧灰质量百分含量为5%。赤泥的氧化铁含量为46.400%,氧化钠含量为5.060%。煤矸石的热值为586kcal/kg,烧失后的氧化硅与氧化铝的质量百分比之和为84.27%。陶粒生球的热值为263.7kcal/kg。在烧制温度1200℃下烧制得到轻质陶粒,轻质陶粒的堆积密度为760kg/m3,吸水率为0.72%,性能满足《GBT17431.1-2010-轻集料及其试验方法》要求。
对于本领域的技术人员来说,可以根据以上的技术方案和构思,给出各种相应的改变和变形,而所有的这些改变和变形,都应该包括在本发明权利要求的保护范围之内。
Claims (6)
1.一种生球含热值的低密度全固废赤泥陶粒制备方法,其特征在于,采用赤泥和含热值固废作为原料,混合后得到陶粒生球;赤泥的质量百分比为30-60%,含热值固废的质量百分比为40-70%,陶粒生球的热值大于200kcal/kg;在烧制温度为1100-1200℃下对陶粒生球进行烧制,得到轻质陶粒;
通过控制赤泥和含热值固废的质量百分比以及烧制温度的变化,控制得到的轻质陶粒的堆积密度在400-800kg/m3。
2.根据权利要求1所述的制备方法,其特征在于,所述赤泥为拜耳法赤泥,其Fe2O3质量含量为10-50%,其氧化钠质量含量为5-10%。
3.根据权利要求1所述的制备方法,其特征在于,含热值固废的热值为500-2000kcal/kg,烧失量为20-60%,且烧失后的化学组成中氧化硅加上氧化铝的总质量百分含量大于50%。
4.根据权利要求1或3所述的制备方法,其特征在于,所述含热值固废包括煤矸石和市政污泥中的一种或两种。
5.根据权利要求4所述的制备方法,其特征在于,所述含热值固废还包括生物质固废。
6.根据权利要求1所述的制备方法,其特征在于,轻质陶粒的粒度在5-19mm之间。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211359830.4A CN115504805A (zh) | 2022-11-02 | 2022-11-02 | 一种生球含热值的低密度全固废赤泥陶粒制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211359830.4A CN115504805A (zh) | 2022-11-02 | 2022-11-02 | 一种生球含热值的低密度全固废赤泥陶粒制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115504805A true CN115504805A (zh) | 2022-12-23 |
Family
ID=84513094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211359830.4A Pending CN115504805A (zh) | 2022-11-02 | 2022-11-02 | 一种生球含热值的低密度全固废赤泥陶粒制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115504805A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101624294A (zh) * | 2009-08-14 | 2010-01-13 | 准格尔旗粉煤灰煤矸石研发中心 | 陶粒及其制备方法 |
US20160009601A1 (en) * | 2014-07-09 | 2016-01-14 | Taimax Materials Co., Ltd. | Ceramic tile products and manufacturing method thereof |
CN107721455A (zh) * | 2017-10-13 | 2018-02-23 | 天津天盈新型建材有限公司 | 一种由固体废弃物制备的陶粒、其制备方法及应用 |
CN114751766A (zh) * | 2021-11-24 | 2022-07-15 | 北京金隅红树林环保技术有限责任公司 | 利用固体废弃物烧制的轻质陶粒及其方法 |
-
2022
- 2022-11-02 CN CN202211359830.4A patent/CN115504805A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101624294A (zh) * | 2009-08-14 | 2010-01-13 | 准格尔旗粉煤灰煤矸石研发中心 | 陶粒及其制备方法 |
US20160009601A1 (en) * | 2014-07-09 | 2016-01-14 | Taimax Materials Co., Ltd. | Ceramic tile products and manufacturing method thereof |
CN107721455A (zh) * | 2017-10-13 | 2018-02-23 | 天津天盈新型建材有限公司 | 一种由固体废弃物制备的陶粒、其制备方法及应用 |
CN114751766A (zh) * | 2021-11-24 | 2022-07-15 | 北京金隅红树林环保技术有限责任公司 | 利用固体废弃物烧制的轻质陶粒及其方法 |
Non-Patent Citations (2)
Title |
---|
潘嘉芬等: "拜耳法赤泥质陶粒滤料去除水中溶解油的研究", no. 6, pages 191 - 192 * |
鞠美庭等: "《固体废物协同处置与综合利用》", 中国建材工业出版社, pages: 157 - 158 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20190247824A1 (en) | Ceramsite Produced by Using River/Lake/Sea Sludge and Seashell Powder as Raw Materials and Preparation Method Thereof | |
US11279655B2 (en) | Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration | |
CN113735475B (zh) | 一种轻质陶粒及其制备方法 | |
CN105016710B (zh) | 利用污泥低温烧结制备陶粒的方法 | |
CN110981349A (zh) | 一种轻质高强渣土基保温材料及其制备方法 | |
CN110104979B (zh) | 一种采用带式烧结制备煤矸石轻骨料的方法 | |
CN101830654A (zh) | 一种高钙粉煤灰地聚合物胶凝材料及其制备方法 | |
CN111170720A (zh) | 工业固废利用内燃烧结工艺制备陶粒砂的方法 | |
CN113480322A (zh) | 一种利用高铝粉煤灰制备的陶粒及其制备方法 | |
CN112939622A (zh) | 一种利用含铬污泥制备陶粒的方法 | |
CN110330247B (zh) | 一种环保超轻的污泥陶粒及其制备方法 | |
CN111233353A (zh) | 一种采用氧化铁渣部分替代铁质校正原料生产通用水泥熟料的方法 | |
CN111101002A (zh) | 一种皮江法炼镁联产水泥的生产工艺 | |
CN112694272B (zh) | 利用煤矸石电厂固废制备的低碳高强胶凝材料及制备方法 | |
US20240067564A1 (en) | Method for preparing cementing material by sintering activation of coal gangue | |
CN112608131A (zh) | 一种污泥粉煤灰陶粒及其制备方法 | |
CN105621909A (zh) | 一种复掺改性脱硫灰和稻壳灰的水泥 | |
CN111517820A (zh) | 一种含有污泥灰渣的高强陶粒及其制备方法 | |
CN115504690B (zh) | 一种活化高岭石的制备方法 | |
CN108440015B (zh) | 一种复合玻璃钢废弃物轻质高强陶粒及其制备方法 | |
CN115504805A (zh) | 一种生球含热值的低密度全固废赤泥陶粒制备方法 | |
CN114214072B (zh) | 重金属污染土固化剂及其制备方法与应用 | |
CN104745825A (zh) | 一种从含铁粉煤灰中回收铁精粉的方法 | |
CN114478050A (zh) | 淤泥陶粒及其制备方法 | |
CN113480212A (zh) | 一种煤矸石直燃活化工艺及地聚物的制备工艺 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221223 |
|
RJ01 | Rejection of invention patent application after publication |