SE523705C2 - Chimney lining material comprising a cement binder and filler aggregate, contains a mixture of a water reducing agent and an air entraining agent - Google Patents

Chimney lining material comprising a cement binder and filler aggregate, contains a mixture of a water reducing agent and an air entraining agent

Info

Publication number
SE523705C2
SE523705C2 SE9802970A SE9802970A SE523705C2 SE 523705 C2 SE523705 C2 SE 523705C2 SE 9802970 A SE9802970 A SE 9802970A SE 9802970 A SE9802970 A SE 9802970A SE 523705 C2 SE523705 C2 SE 523705C2
Authority
SE
Sweden
Prior art keywords
chimneys
weight
reducing agent
water
agent
Prior art date
Application number
SE9802970A
Other languages
Swedish (sv)
Other versions
SE9802970D0 (en
SE9802970L (en
Inventor
Satish Chandra
Original Assignee
Chandra Byggref Ab
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 Chandra Byggref Ab filed Critical Chandra Byggref Ab
Priority to SE9802970A priority Critical patent/SE523705C2/en
Publication of SE9802970D0 publication Critical patent/SE9802970D0/en
Publication of SE9802970L publication Critical patent/SE9802970L/en
Publication of SE523705C2 publication Critical patent/SE523705C2/en

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
    • C04B24/00Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16Sulfur-containing compounds
    • C04B24/20Sulfonated aromatic compounds
    • C04B24/22Condensation or polymerisation products thereof
    • 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
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/14Minerals of vulcanic origin
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Chimneys And Flues (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The material contains a mixture of a water-reducing agent and an air entraining agent. A chimney ramming material for lining chimneys, especially brick chimneys, comprises a cement binder, filler aggregate and a mixture of a water-reducing agent and an air entraining agent. Independent claims are also included for (a) the preparation of the material by adding colloidal silica to cement comprising sand and volcanic aggregates, then slowly adding most of the water, and then adding a water-reducing agent, followed by an air entraining agent, (b) the use of the material for lining (preferably brick) chimneys, and (c) chimneys lined with this material.

Description

523 705 Z. kvarhålla samma arbetsbarhet med ett lägre eller lika lågt vattencementtal som utan tillsatsen av kolloidal silika. Kolloidal silika fungera förutom som ett pozzolansk material också som ett fint fyllnadsmaterial och bildar en kompakt stampmassa med tät struktur. Detta leder till att ångtryck som byggs upp vid höga temperaturer kommer att orsaka en explosiv avflisning. Stampmassan blir därmed känslig för temperaturvariationer. Den ökade motståndskraften mot temperaturförändringar förbättras genom att man använder ett luftporbildande tillsatsmedel. Detta skapar fler problem än det löser. Vilken typ av ballast som används är också viktigt. Ballasten måste tåla de höga temperaturer som råder i skorstenen. 523 705 Z. maintain the same workability with a lower or as low water cement number as without the addition of colloidal silica. In addition to being a pozzolanic material, colloidal silica also acts as a fine filling material and forms a compact stamping compound with a dense structure. This leads to vapor pressure that builds up at high temperatures will cause an explosive chipping. The stamping mass thus becomes sensitive to temperature variations. The increased resistance to temperature changes is improved by using an air pore-forming additive. This creates more problems than it solves. The type of ballast used is also important. The ballast must withstand the high temperatures prevailing in the chimney.

Förutom valet av material så är blandningsförfarandet ytterst viktigt Ordningen i vilken man blandar de olika komponentema och blandningstiden spelar en avgörande roll på stampmassans egenskaper, eftersom detta styr möjligheterna till sammanstötning av de kemiska tillsatserna och spridningen av bindemedlen.In addition to the choice of material, the mixing process is extremely important. The order in which the different components are mixed and the mixing time play a decisive role in the properties of the pulp, as this controls the possibilities of collision of the chemical additives and the spread of the binders.

Beskrivning av uppfinningen Det är nu möjligt att tillverka en stampmassa enligt denna uppfinningen som löser de ovan nämnda problemen. Uppfinning kännetecknas av att den innefattar en eller flera sorters portlandcement och kolloidal silika, en eller flera sorters sand och pirnsten, och kemiska tillsatser i form av sulfonatiserat naftalenformaldehydkondensat eller sulfonatiserat melaminformaldehydkondensat.Description of the invention It is now possible to manufacture a stamping compound according to this invention which solves the above-mentioned problems. The invention is characterized in that it comprises one or more kinds of Portland cement and colloidal silica, one or more kinds of sand and pumice, and chemical additives in the form of sulfonated naphthalene formaldehyde condensate or sulfonated melamine formaldehyde condensate.

Ytterligare egenskaper kommer att framgå av de medföljande patentkraven. Denna uppfinning innefattar också ett förfarande för tillverkning av en sådan stampmassa, som karaktäriseras enligt ovan.Additional features will be apparent from the appended claims. This invention also includes a method of making such a stamping composition, which is characterized as above.

Med hjälp av denna uppfinning löses de ovan nämnda problemen och en stampmassa med god vidhäftningsförmåga, nötningsbeständighet-och temperaturförändringsresistens erhölls.By means of this invention the above-mentioned problems are solved and a stamping compound with good adhesiveness, abrasion resistance and temperature change resistance was obtained.

Uppfinningen kommer att beskrivas närmare i det följande med hänvisning till en exemplifierande utföringsform utan att för den skulle vara begränsad till detta.The invention will be described in more detail in the following with reference to an exemplary embodiment without it being limited thereto.

Exempel Olika proportioner av kolloidal silika blandades med portlandcement som försetts med olika mängder sand och pimsten. Vatten tillsattes sedan långsamt och försiktigt under blandningen fick en blöt yta.Examples Different proportions of colloidal silica were mixed with Portland cement provided with different amounts of sand and pumice. Water was then added slowly and carefully during mixing to a wet surface.

Vattenreducerande medel tillsattes med en liten mängd vatten och blandades. Till slut tillsattes en luftporbildaren med den resterande mängden vattnen och blandades under ytterligare 2 minuter.Water reducing agent was added with a small amount of water and mixed. Finally, an air pore former was added with the remaining amount of water and mixed for another 2 minutes.

Den stampmassa som då tillverkades visade sig ha bra vidhäftning till tegel, både nytt och gammalt. Det hade även bra resistens mot temperaturförändringar och nötning.The stamping compound that was then manufactured proved to have good adhesion to bricks, both new and old. It also had good resistance to temperature changes and abrasion.

Stampmassaan applicerades på tegel med en murslev och "tänjdes" därmed ut. N är det studerades under mikroskop farm man inga sprickor.The stamping mass was applied to bricks with a trowel and thus "stretched" out. N is it was studied under a microscope farm no cracks.

Efter att tegelstenania blivit förvarade i rumstemperatur och blivit upphettade till 1000°C i en elektrisk ugn gjorde man följande observationer: Inga sprickor kunde observeras. Materialet anslöt tätt till tegel även efter upphetningen. Materialet visade god vidhäftning och kompatibilitet till tegel.After the bricks were stored at room temperature and heated to 1000 ° C in an electric furnace, the following observations were made: No cracks could be observed. The material adhered tightly to brick even after heating. The material showed good adhesion and compatibility with bricks.

*S23 705 3 Blandningarna testades även i nykonstruerade skorstenar där temperaturen höjdes till 1000°C under 8 minuter. Det observerades att tegelinklädningen var tät och hade bra isoleringsegenskaper eftersom temperaturen på utsidan av skorstenarna var låg. Inga sprickor kunde observeras på utsidan av murverket eller på insidan av skorsten när man använde en högtemperaturkamera. Efter att skorsten fått svalna av borstades den med en hård borste och mycket lite material föll då av. Testen genomfördes enligt kraven för tester på stampmassor i skorstenar hos Danmarks Brandinstitut, och materialet klarade av alla nödvändiga krav.* S23 705 3 The mixtures were also tested in newly constructed chimneys where the temperature was raised to 1000 ° C for 8 minutes. It was observed that the brick cladding was tight and had good insulation properties because the temperature on the outside of the chimneys was low. No cracks could be observed on the outside of the masonry or on the inside of the chimney when using a high temperature camera. After the chimney was allowed to cool, it was brushed with a hard brush and very little material fell off. The test was carried out in accordance with the requirements for tests on stamping compounds in chimneys at the Danish Fire Institute, and the material met all the necessary requirements.

Det har visat sig att man kan använda följande proportioner av de olika ingredienserna: Portlancement 20-25% av totalvikten, Vikt% Kolloidal silika 2.5-5% av totalvikten, Vikt % Sand 70-75% av totalvikten, Vikt% Pimstenballast 5-10% av totalvikten, Vikt% Vattenreducerandemedel 2-3.5% av cementvikten, Vikt% Luftpobildare 0.1-0.2% av cementvikten, Vikt% Vattenbindemedeltal 04-045 Luftporbildaren som användes är en naturlig produkt baserad på ett protein.It has been found that the following proportions of the various ingredients can be used: Portlancement 20-25% of the total weight, Weight% Colloidal silica 2.5-5% of the total weight, Weight% Sand 70-75% of the total weight, Weight% Pumice ballast 5-10 % of total weight, Weight% Water reducing agent 2-3.5% of cement weight, Weight% Air pore former 0.1-0.2% of cement weight, Weight% Water binder average 04-045 The air pore former used is a natural product based on a protein.

Vattenreducerande medel som användes är sulfonafiserat naftaleneformeldehydkondensat och sulfonaiiserat melaminformaldehykondensat.Water reducing agents used are sulfonated naphthalene formaldehyde condensate and sulfonated melamine formaldehyde condensate.

Demia uppfinning innefattar även skorstenar inkläda med inklädningsmaterial från denna uppfinning.This invention also includes chimneys lined with cladding materials of this invention.

Claims (4)

1. 0 15 20 523 705 *f PATENTKRAV 1, Kohesiv, nötningsbeständig stampmassa för fodring av skorstenar, k ä n n e t e c k n a d av Portlandcement 20-25 vikts% kolloidal silika 2,5-5 vikts% sand 70-75 vikts% _ pimpsten 5-10 vikts% vattenreducerande medel av cementvikt 2-3,5 vikts% 0,1-0,2 vikts% 0,4-0,45 viktS% luftporbildande medel av cementvikt vatten till bindemedelförhàllande1. 0 15 20 523 705 * f CLAIM 1, Cohesive, abrasion resistant putty for lining chimneys, characterized by Portland cement 20-25 wt% colloidal silica 2.5-5 wt% sand 70-75 wt%% _ pumice 5- 10% by weight of water-reducing agent of cement weight 2-3.5% by weight 0.1-0.2% by weight 0.4-0.45% by weight of air-pore-forming agent of cement-weight water to binder ratio 2. Kohesiv, nötningsbeständig stampmassa för fodring av skorstenar enligt patentkrav l, vari det vattenreducerande medlet är ett sulfonerat naftalenformaldehydkondensat eller sulfonerat melaminformaldehydkondensat.A cohesive, abrasion resistant putty for feeding chimneys according to claim 1, wherein the water reducing agent is a sulfonated naphthalene formaldehyde condensate or sulfonated melamine formaldehyde condensate. 3. Kohesiv, nötningsbeständig stampmassa för fodring av skorstenar enligt patentkrav 1, vari det luftporbildande medlet är en naturlig produkt baserad pà protein.Cohesive, abrasion-resistant putty for feeding chimneys according to claim 1, wherein the air pore-forming agent is a natural product based on protein. 4. Användning av en kohesiv, nötningsbeständig stamp- massa enligt patentkrav 1 till 3, för fodring av skorstenar, i synnerhet skorstenar konstruerade av tegel.Use of a cohesive, abrasion-resistant stamping compound according to claims 1 to 3, for lining chimneys, in particular chimneys constructed of brick.
SE9802970A 1998-09-01 1998-09-01 Chimney lining material comprising a cement binder and filler aggregate, contains a mixture of a water reducing agent and an air entraining agent SE523705C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9802970A SE523705C2 (en) 1998-09-01 1998-09-01 Chimney lining material comprising a cement binder and filler aggregate, contains a mixture of a water reducing agent and an air entraining agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802970A SE523705C2 (en) 1998-09-01 1998-09-01 Chimney lining material comprising a cement binder and filler aggregate, contains a mixture of a water reducing agent and an air entraining agent

Publications (3)

Publication Number Publication Date
SE9802970D0 SE9802970D0 (en) 1998-09-01
SE9802970L SE9802970L (en) 2000-03-02
SE523705C2 true SE523705C2 (en) 2004-05-11

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ID=20412464

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Application Number Title Priority Date Filing Date
SE9802970A SE523705C2 (en) 1998-09-01 1998-09-01 Chimney lining material comprising a cement binder and filler aggregate, contains a mixture of a water reducing agent and an air entraining agent

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL447374A1 (en) * 2023-12-29 2025-06-30 Henkor J.M. Kordylak Spółka Jawna Mortar, especially chimney mortar
PL447403A1 (en) * 2023-12-30 2025-07-07 Henkor J.M. Kordylak Spółka Jawna Lightweight concrete

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL447374A1 (en) * 2023-12-29 2025-06-30 Henkor J.M. Kordylak Spółka Jawna Mortar, especially chimney mortar
PL447403A1 (en) * 2023-12-30 2025-07-07 Henkor J.M. Kordylak Spółka Jawna Lightweight concrete

Also Published As

Publication number Publication date
SE9802970D0 (en) 1998-09-01
SE9802970L (en) 2000-03-02

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