CN110317081A - A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick - Google Patents
A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick Download PDFInfo
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- C04B38/063—Preparing or treating the raw materials individually or as batches
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- 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
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- 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
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
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Abstract
The invention discloses a kind of methods that Jin Jiang River mud prepares water-permeable brick, air brick, are to make sky agent and adhesive with thin wood dust, chaff powder, organic matter straw powder using the Jin Jiang River mud of Tongren City as main raw material(s)；The specific steps are first prepare instrument, then main raw material(s) is taken: the Jin Jiang River mud of Tongren City, dry to mud later, ageing, then mud is dried, later by the mud ball milling after drying, sieving, thin wood dust, chaff powder, organic matter straw powder ingredient are added again, it stirs, be uniformly mixed later, then binder operation is carried out to mixing material, then dry sample, again to the dimensional measurement of sample, be sintered later to surveying measured sample, be eventually fabricated finished product water-permeable brick, air brick, then to carry out property analyze；The present invention has the advantages that Lightness, the stronger bending resistance that high water absorption rate is high, the porosity is big, bulk density is small, burn tinctuer is low, shrinking percentage is low, extremely excellent, intensity are high, production is simple.
Description
Technical field
The present invention relates to water-permeable brick, air brick technical field, specially a kind of Jin Jiang River mud prepares water-permeable brick, air brick
Method.
Background technique
China is that a river is numerous, the country of network of rivers prosperity, and the complicated network of rivers is that our people brings abundant water
Also the significant task for bringing cleaning mud while resource and convenient transportation, administering river.Jin Jiang River river is that Tongren City is entire
Where the water source that citizen depend on for existence, because the precipitating of various minerals and organic matter in water body just produces largely therewith
Mud, however continuing the problem of cause environment, flood storage and the shipping of water quality for mud always, so, it handles and has in time
Effect also becomes China's heavy problem urgently to be solved using mud, and serious person may cause ecosystem environment to be difficult to restore
Destruction.Mostly containing the heavy metal element that is more toxic in mud, current treating method: simply carrying out mud stacking and
Landfill disposal, will not only occupy the soil of large area, can also impurely under entire water system and surrounding natural environment, formed
It pollutes again, if recycled to river channel sedimentation, the mud metallic substance for digging and generating during stone of cutting into a mountain, production regeneration coagulation
Soil, regenerative building block, regeneration brick etc., it can be achieved that construction industry sustainable development, with good application prospect.
Summary of the invention
The purpose of the present invention overcomes the deficiencies of the prior art and provide the side that a kind of Jin Jiang River mud prepares water-permeable brick, air brick
Method, with high water absorption rate is high, the porosity is big, bulk density is small, burn tinctuer is low, shrinking percentage is low, extremely excellent Lightness, relatively strong
Bending resistance, the advantage that intensity is high, production is simple, solve the problems of the prior art.
To achieve the above object, the invention provides the following technical scheme: a kind of Jin Jiang River mud prepares water-permeable brick, air brick
Method is to make sky agent and glue with thin wood dust, chaff powder, organic matter straw powder using the Jin Jiang River mud of Tongren City as main raw material(s)
Mixture；
Preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying, the proportioning components of sample green compact sample are as follows:
A: mud 100%, sawdust 0%, chaff powder 0%, stalk 0%,
B: mud 90%, sawdust 10%, chaff powder 0%, stalk 0%,
C: mud 90%, sawdust 0%, chaff powder 10%, stalk 0%,
D: mud 90%, sawdust 0%, chaff powder 0%, stalk 10%,
E: mud 80%, sawdust 20%, chaff powder 0%, stalk 0%,
F: mud 80%, sawdust 0%, chaff powder 20%, stalk 0%,
G: mud 80%, sawdust 0%, chaff powder 0%, stalk 20%,
H: mud 80%, sawdust 10%, chaff powder 10%, stalk 0%,
I: mud 80%, sawdust 0%, chaff powder 10%, stalk 10%,
J: mud 80%, sawdust 10%, chaff powder 0%, stalk 10%,
K: mud 70%, sawdust 20%, chaff powder 10%, stalk 0%,
L: mud 70%, sawdust 20%, chaff powder 0%, stalk 10%,
M: mud 70%, sawdust 10%, chaff powder 20%, stalk 0%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature；(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 8-10 hours in drying box, takes out and measures and records its size
Size and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 5 DEG C/min heating rate, when
Sample needs to keep the temperature it 120 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment
Using the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -
300 DEG C (40min) -300 DEG C of 500 DEG C of 30min-of heat preservation (40min) -500 DEG C, 700 DEG C of 30min-of heat preservations (40min) -
700 DEG C of 900 DEG C of 60min-of heat preservations (40min) -900 DEG C keep the temperature 1000 DEG C of 60min-(20min) -1000 DEG C heat preservation
60min-setting sintering temperature heat preservation sintering 120min-sintering furnace is cooling, finally, taking out cooling sample carries out correlated performance
Test；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia, meanwhile, the deformation of sample becomes apparent, and the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time；
Five, conclusion
(1) the pore creating material mixing that 10-20% is added in Jin Jiang River mud is pressed into briquet, by solid at a temperature of 1080 DEG C -1140 DEG C
Phase sintering and prepare porous brick, as temperature increases, burn tinctuer, thickness and the diameter shrinking percentage of firing sample are significantly increased,
There is apparent contraction distortion phenomenon in the sample being burnt at a temperature of 1140 DEG C, shows sample and is in " oversintering " stage；
(2) in 1080 DEG C of -1140 DEG C of temperature ranges, increasing with sintering temperature, water absorption rate, the porosity of sample sharply decline,
And bulk density persistently increases, and there is the sample compared with high water absorbing capacity mainly to have in 1080 DEG C of -1120 DEG C of sintering ranges
E, there is the sample compared with high porosity mainly to have E, F, K, L, M by K, L, M, and the lightweight firing sample with low densification degree is main
For E, F, K, L, M sample, wherein M sample has highest water absorption rate (25.8-33.99%), the high porosity (29.78- most
And most light bulk density (1.36-1.84 g/cm3) 46.25%)；
(3) in 1080 DEG C of -1140 DEG C of temperature ranges, increase with sintering temperature, the flexural strength of sample increases, when mud contains
When amount is 80%, 70%, certain flexural strength is all had in the firing sample of 1080 DEG C of -1120 DEG C of temperature, shows firing sample
With certain bending resistance, wherein M sample has highest with minimum intensity (10.86-18.43 MPa), G sample
Intensity (24.75-42.37 MPa), intensity meet the requirement of water-permeable brick, air brick, porous brick for building.
Preferably, the water absorption rate of the sample, the porosity and bulk density can calculate according to the following formula: water absorption rate:, the porosity:, bulk density: D=M1/ (M2-M3) × D0, formula
In:M 1Dry weight: weight (g) after firing sample is dry,M 2Weight in wet base: the weight (g) of sample saturated water,M 3Suspending weight: sample is complete
The full weight (g) to suspend in water,WaWater absorption rate (%),PaApparent porosity (%),DBulk density (g/cm3) 、D 0Water it is close
Spend (g/cm3)。
Preferably, the bar samples flexural strength can calculate according to the following formula:, in formula: Rf-sample
The flexural strength value (MPa) of product, P- act on the breaking weight (N) of sample, L- resistance to compression fixture two support intercolumniation center away from
From i.e. span, experiment takes span L=28mm, b- sample width (mm), the height (mm) of h- sample, K- coefficient, take K=1.
Part is not directed in the invention to be the same as those in the prior art or can be realized by using the prior art.
Compared with prior art, beneficial effects of the present invention are as follows: a kind of Jin Jiang River mud prepares the side of water-permeable brick, air brick
Method: the present invention is main raw material(s) using Jin Jiang River mud and stalk, sawdust, chaff powder are to assist material, using stalk as raw material
Heat insulating ability, dicoration, the durability of the wallboard of production are all fine, and many developed countries have been applied in construction material.
Rice chaff has a large amount of calorific value, in calcination reaction, coal blending amount can not only be greatly reduced, but also can participate in rapidly chemically reacting
Silicate is generated, crystallization can be induced and improves the double action of Test Materials intensity.Rice chaff is cheap, due to this experiment
Demand is less directly to be obtained from rural area.In daily life people be commonly used to as fuel sawdust, can also be combined into as
The same wood-based plate of medium density fiberboard, can also be used to papermaking, be the sawdust or wood shavings powder left when timber processing.
Detailed description of the invention
Fig. 1 is the method flow diagram that a kind of Jin Jiang River mud of the present invention prepares water-permeable brick, air brick.
Specific embodiment
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent, but examples are merely exemplary, and it is not intended to limit the scope of the present invention in any way, and those skilled in the art answer
It should be appreciated that without departing from the spirit and scope of the invention can details to technical solution of the present invention and form repair
Change or replace, but these modifications and replacement are fallen within the protection scope of the present invention.
It is as follows to please refer to Fig. 1 specific embodiment:
Embodiment 1
A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick, using the Jin Jiang River mud of Tongren City as main raw material(s), with thin wood
Bits powder, chaff powder, organic matter straw powder are to make sky agent and adhesive；
The preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying, the proportioning components of sample green compact sample are as follows:
E: mud 80%, sawdust 20%, chaff powder 0%, stalk 0%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature.(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 8-10 hours in drying box, takes out and measures and records its size
Size and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 5 DEG C/min heating rate, when
Sample needs to keep the temperature it 130 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment
Using the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -
300 DEG C (40min) -300 DEG C of 500 DEG C of 30min-of heat preservation (40min) -500 DEG C, 700 DEG C of 30min-of heat preservations (40min) -
700 DEG C of 900 DEG C of 60min-of heat preservations (40min) -900 DEG C keep the temperature 1000 DEG C of 60min-(20min) -1000 DEG C heat preservation
60min-setting sintering temperature heat preservation sintering 130min-sintering furnace is cooling.Finally, taking out cooling sample carries out correlated performance
Test；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia, meanwhile, the deformation of sample becomes apparent, and the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time.
Embodiment 2
A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick, using the Jin Jiang River mud of Tongren City as main raw material(s), with thin wood
Bits powder, chaff powder, organic matter straw powder are to make sky agent and adhesive；
The preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying, the proportioning components of sample green compact sample are as follows:
F: mud 80%, sawdust 0%, chaff powder 20%, stalk 0%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature.(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 10-12 hours in drying box, takes out and measures and records its size
Size and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 6 DEG C/min heating rate, when
Sample needs to keep the temperature it 110 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment
Using the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -
300 DEG C (40min) -300 DEG C of 500 DEG C of 30min-of heat preservation (40min) -500 DEG C, 700 DEG C of 30min-of heat preservations (40min) -
700 DEG C of 900 DEG C of 60min-of heat preservations (40min) -900 DEG C keep the temperature 1000 DEG C of 60min-(20min) -1000 DEG C heat preservation
60min-setting sintering temperature heat preservation sintering 110min-sintering furnace is cooling, finally, taking out cooling sample carries out correlated performance
Test；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia, meanwhile, the deformation of sample becomes apparent, and the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time；
Embodiment 3
A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick, using the Jin Jiang River mud of Tongren City as main raw material(s), with thin wood
Bits powder, chaff powder, organic matter straw powder are to make sky agent and adhesive.
The preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying.The proportioning components of sample green compact sample are as follows:
K: mud 70%, sawdust 20%, chaff powder 10%, stalk 0%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature；(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 12-13 hours in drying box, takes out and measures and records its size
Size and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 7 DEG C/min heating rate, when
Sample needs to keep the temperature it 100 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment
Using the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -
300 DEG C (40min) -300 DEG C of 500 DEG C of 30min-of heat preservation (40min) -500 DEG C, 700 DEG C of 30min-of heat preservations (40min) -
700 DEG C of 900 DEG C of 60min-of heat preservations (40min) -900 DEG C keep the temperature 1000 DEG C of 60min-(20min) -1000 DEG C heat preservation
60min-setting sintering temperature heat preservation sintering 100min-sintering furnace is cooling, finally, taking out cooling sample carries out correlated performance
Test；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia.Meanwhile the deformation of sample becomes apparent, the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time.
Embodiment 4
A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick, using the Jin Jiang River mud of Tongren City as main raw material(s), with thin wood
Bits powder, chaff powder, organic matter straw powder are to make sky agent and adhesive；
The preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying, the proportioning components of sample green compact sample are as follows:
L: mud 70%, sawdust 20%, chaff powder 0%, stalk 10%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature；(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 6-8 hours in drying box, takes out and measures and records its size and is big
Small and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 4 DEG C/min heating rate, when
Sample needs to keep the temperature it 90 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment is adopted
With the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -300
DEG C (40min) -300 DEG C 500 DEG C of 30min-of heat preservation (40min) -500 DEG C heat preservation, 700 DEG C of 30min-(40min) -700
DEG C 1000 DEG C of 60min-of heat preservation of heat preservation 900 DEG C of 60min-(40min) -900 DEG C (20min) -1000 DEG C heat preservation 60min -
It is cooling that sintering temperature heat preservation sintering 90min-sintering furnace is set.Finally, taking out the test that cooling sample carries out correlated performance；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia, meanwhile, the deformation of sample becomes apparent, and the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time.
Embodiment 5
A kind of method that Jin Jiang River mud prepares water-permeable brick, air brick, using the Jin Jiang River mud of Tongren City as main raw material(s), with thin wood
Bits powder, chaff powder, organic matter straw powder are to make sky agent and adhesive；
The preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying, the proportioning components of sample green compact sample are as follows:
M: mud 70%, sawdust 10%, chaff powder 20%, stalk 0%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature；(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 6-8 hours in drying box, takes out and measures and records its size and is big
Small and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 3 DEG C/min heating rate, when
Sample needs to keep the temperature it 120 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment
Using the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -
300 DEG C (40min) -300 DEG C of 500 DEG C of 30min-of heat preservation (40min) -500 DEG C, 700 DEG C of 30min-of heat preservations (40min) -
700 DEG C of 900 DEG C of 60min-of heat preservations (40min) -900 DEG C keep the temperature 1000 DEG C of 60min-(20min) -1000 DEG C heat preservation
60min-setting sintering temperature heat preservation sintering 120min-sintering furnace is cooling, finally, taking out cooling sample carries out correlated performance
Test；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia, meanwhile, the deformation of sample becomes apparent, and the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time.
The present invention is main raw material(s) using Jin Jiang River mud and stalk, sawdust, chaff powder are to assist material, using stalk as original
Heat insulating ability, dicoration, the durability of the wallboard of material production are all fine, and many developed countries have been applied to construction material and have worked as
In.Rice chaff has a large amount of calorific value, in calcination reaction, coal blending amount can not only be greatly reduced, but also can participate in chemistry rapidly
Reaction generates silicate, can induce crystallization and improve the double action of Test Materials intensity.Rice chaff is cheap, due to this
Experiment demand is less directly to be obtained from rural area.People are commonly used to the sawdust as fuel in daily life, can also be compound
It at the wood-based plate as medium density fiberboard, can also be used to papermaking, be the sawdust or wood shavings powder left when timber processing；Embodiment
1, embodiment 2, embodiment 3, embodiment 4, the proportioning components of sample green compact sample, drying time, sintering temperature heating in embodiment 5
Rate and soaking time difference, obtained water-permeable brick, air brick comprehensive performance are also different, and experimental result is shown, embodiment 5
Water-permeable brick obtained, air brick have high suction than embodiment 1, embodiment 2, embodiment 3, the water-permeable brick of embodiment 4, air brick
It is aqueous, high gas porosity, extremely excellent Lightness.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification illustrates this hair
Bright principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variations
It all fall within the protetion scope of the claimed invention with improvement, the claimed scope of the invention is by appended claims and its waits
Effect object defines.
Claims (4)
1. a kind of method that Jin Jiang River mud prepares water-permeable brick, air brick, it is characterised in that: with the Jin Jiang River mud of Tongren City be main
Raw material are to make sky agent and adhesive with thin wood dust, chaff powder, organic matter straw powder；
Preparation method is as follows:
One, instrument prepares: TXY digital display type water absorption tester, Quick ball grinder, 202-1 type Constant Temp. Oven, TJF8
Type pot mill, the different ball milling ball of size, the big ball grinders such as four, two 180 mesh meshes, two vernier callipers
Ruler, 769YP-24b type tablet press machine, sintering furnace, FA2004 type electronic balance, microcomputer controlled electronic universal testing machine, DX-2700
Type X diffractometer；
Two, experimental material: using the Jin Jiang River mud of Tongren City as main raw material(s), it is with thin wood dust, chaff powder, organic matter straw powder
Make sky agent and adhesive；
Three, sample preparation technique:
(1) mud sintered perforated brick is using Jin Jiang River mud as main raw material(s), and is properly added sawdust, chaff powder and organic matter straw powder
It is mixed in a certain proportion, stirs, pressure-like, the processes manufacture mud sintered perforated brick such as drying, the proportioning components of sample green compact sample are as follows:
A: mud 100%, sawdust 0%, chaff powder 0%, stalk 0%,
B: mud 90%, sawdust 10%, chaff powder 0%, stalk 0%,
C: mud 90%, sawdust 0%, chaff powder 10%, stalk 0%,
D: mud 90%, sawdust 0%, chaff powder 0%, stalk 10%,
E: mud 80%, sawdust 20%, chaff powder 0%, stalk 0%,
F: mud 80%, sawdust 0%, chaff powder 20%, stalk 0%,
G: mud 80%, sawdust 0%, chaff powder 0%, stalk 20%,
H: mud 80%, sawdust 10%, chaff powder 10%, stalk 0%,
I: mud 80%, sawdust 0%, chaff powder 10%, stalk 10%,
J: mud 80%, sawdust 10%, chaff powder 0%, stalk 10%,
K: mud 70%, sawdust 20%, chaff powder 10%, stalk 0%,
L: mud 70%, sawdust 20%, chaff powder 0%, stalk 10%,
M: mud 70%, sawdust 10%, chaff powder 20%, stalk 0%,
(2) brick is prepared into Jin Jiang River mud and is burnt by the thin sawdust of addition different proportion, chaff powder, organic matter straw powder
Knot；
(3) it first determines a calcined temperature, then the brick of different proportion is sintered in different temperature；(different temperatures
It is different to burn the brick soaking time come)；
(4) production table counts each ingredient of the granule being sintered each time, temperature, time, density one by one；
(5) using tablet press machine to crossing the mud powder that is sieved and other assist the block that material carries out pressure round pie: its diameter is set as
50mm, thickness are set as 10mm(36g/), and 8 round pie samples are suppressed, with the pressure of 45Mpa, and to round pie sample
Product carry out pressure maintaining 60s；Press strip: the length of sample is set as 37mm, and the width of sample is set as 7mm, and the height of sample is set as 8mm (4g/
It is a), and 12 bar samples are suppressed, with the pressure of 20 Mpa, as round pie sample, bar samples carry out the guarantor of 60s
Pressure；
(6) sample treatment of compression moulding is placed on after being dried 8-10 hours in drying box, takes out and measures and records its size
Size and quality, sample are mainly in plaster color, and have preferable compression moulding ability；
(7) the Jin Jiang River mud sample of compression moulding is placed in sintering furnace and is sintered, and use 5 DEG C/min heating rate, when
Sample needs to keep the temperature it 120 minutes calcining systems as this experiment when reaching highest firing temperature, this experiment
Using the method for multi-steps sintering, specific multi-steps sintering system is as follows: 20 DEG C -100 DEG C (16min) -100 DEG C of heat preservation 30min -
300 DEG C (40min) -300 DEG C of 500 DEG C of 30min-of heat preservation (40min) -500 DEG C, 700 DEG C of 30min-of heat preservations (40min) -
700 DEG C of 900 DEG C of 60min-of heat preservations (40min) -900 DEG C keep the temperature 1000 DEG C of 60min-(20min) -1000 DEG C heat preservation
60min-setting sintering temperature heat preservation sintering 120min-sintering furnace is cooling, finally, taking out cooling sample carries out correlated performance
Test；
Four, interpretation of result
(1) burn tinctuer of sample and diameter shrinking percentage, thickness contraction rate:
According to exterior appearance of the Jin Jiang River mud mixing green compact block of different compositions in 1080 DEG C -1140 DEG C sintering ranges
Feature it follows that with sintering temperature raising, brick-red when all firing samples are by 1080 DEG C gradually become 1140 DEG C
When rufous or even sepia, meanwhile, the deformation of sample becomes apparent, and the sample contraction distortion under high temperature sintering is significantly larger than
Sample under low-temperature sintering, in addition, no matter under which kind of sintering temperature, the color of the type and content of pore creating material to firing sample
Influence is not obvious, during high temperature sintering, sulfide, moisture, carbonate, silicon dioxide compound in mud etc. at
Point burning become estranged the burning of the sawdust for playing the low ignition point of pore-creating, chaff powder, organic matter straw powder, will lead to green compact block sintered
Quality scaling loss in journey, will also result in the contraction distortion of firing sample；
(2) water absorption rate of sample, the porosity and bulk density:
According to Archimedes principle, density measurement is carried out with hydrostatic weight method, determines the suction of four groups of round pie samples
Water rate, the porosity and density, testing procedure are as follows: the sample after firing is placed on dry place by a., measures sample after 12 hours cooling
The dry weight of product；B. sample is put into the TXY digital display type water absorption tester of Xiang Tan Xiang Yi Instrument Ltd. production, is extracted true
Sky, pumpdown time 30min protect vacuum time 3min；C. after vacuum processing, water valve is opened, is discharged water to sample whole quilt
Water immersion, the soaking time of sample in water is in 30min or so；D. using Japanese Shimadzu AUY120 type electronic balance test sintering
The water in suspension weight (i.e. suspending weight) and weight in wet base (quality when saturated water, i.e. saturated water weight) of caked sample；
(3) bar samples flexural strength:
The use of test equipment is RGM-4100 type microcomputer controlled electronic universal tester, and successively tests four groups of strip sintering samples
The flexural strength of product, test speed 5mm/min, the principal element for influencing strip firing sample flexural strength have: a. sample
Constitutive material, mud, the sawdust, chaff powder, stalk of this experiment use, causes the sample after compression moulding in the difference of content
The subtle similarities and differences of shape length and width size, the difference of the flexural strength of each sample because caused by；B. briquetting pressure and dwell time；
Conclusion
(1) the pore creating material mixing that 10-20% is added in Jin Jiang River mud is pressed into briquet, by solid at a temperature of 1080 DEG C -1140 DEG C
Phase sintering and prepare porous brick, as temperature increases, burn tinctuer, thickness and the diameter shrinking percentage of firing sample are significantly increased,
There is apparent contraction distortion phenomenon in the sample being burnt at a temperature of 1140 DEG C, shows sample and is in " oversintering " stage；
(2) in 1080 DEG C of -1140 DEG C of temperature ranges, increasing with sintering temperature, water absorption rate, the porosity of sample sharply decline,
And bulk density persistently increases, and there is the sample compared with high water absorbing capacity mainly to have in 1080 DEG C of -1120 DEG C of sintering ranges
E, there is the sample compared with high porosity mainly to have E, F, K, L, M by K, L, M, and the lightweight firing sample with low densification degree is main
For E, F, K, L, M sample, wherein M sample has highest water absorption rate (25.8-33.99%), the high porosity (29.78- most
And most light bulk density (1.36-1.84 g/cm3) 46.25%)；
(3) in 1080 DEG C of -1140 DEG C of temperature ranges, increase with sintering temperature, the flexural strength of sample increases, and works as mud
When content is 80%, 70%, certain flexural strength is all had in the firing sample of 1080 DEG C of -1120 DEG C of temperature, shows to be burnt into sample
Product have certain bending resistance, and wherein M sample has highest with minimum intensity (10.86-18.43 MPa), G sample
Intensity (24.75-42.37 MPa), intensity meets the requirement of water-permeable brick, air brick, porous brick for building.
2. the method that a kind of Jin Jiang River mud according to claim 1 prepares water-permeable brick, air brick, it is characterised in that: described
The scaling loss situation and contraction distortion situation of sample can calculate according to the following formula after the completion of sintering:、、, in formula, quality (g) before Mr- mass loss rate (%), M0- are burnt,
Diameter (mm), Sf- thickness after diameter (mm), d3- are burnt before quality (g), Sd- diameter shrinking percentage (%), d2- are burnt after M1- is burnt
Thickness (mm) after thickness (mm), f3- are burnt before shrinking percentage (%), f2- are burnt.
3. the method that a kind of Jin Jiang River mud according to claim 1 prepares water-permeable brick, air brick, it is characterised in that: described
Water absorption rate, the porosity and the bulk density of sample can calculate according to the following formula: water absorption rate:, gas
Porosity:, bulk density: D=M1/ (M2-M3) × D0, in formula:M 1Dry weight: firing sample is dry
Rear weight (g),M 2Weight in wet base: the weight (g) of sample saturated water,M 3Suspending weight: sample suspend completely weight (g) in water,WaWater absorption rate (%),PaApparent porosity (%),DBulk density (g/cm3) 、D 0Density (the g/cm of water3)。
4. the method that a kind of Jin Jiang River mud according to claim 1 prepares water-permeable brick, air brick, it is characterised in that: described
Bar samples flexural strength can calculate according to the following formula:, in formula: Rf-sample flexural strength value
(MPa), P- acts on the breaking weight (N) of sample, L- resistance to compression fixture two supports the centre distance of intercolumniation, i.e. span, experiment
Span L=28mm, b- sample width (mm), the height (mm) of h- sample, K- coefficient are taken, K=1 is taken.
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