CN106468649A - For simulating porcelain dish and the method for biomass high-temperature corrosion - Google Patents
For simulating porcelain dish and the method for biomass high-temperature corrosion Download PDFInfo
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- CN106468649A CN106468649A CN201510512364.2A CN201510512364A CN106468649A CN 106468649 A CN106468649 A CN 106468649A CN 201510512364 A CN201510512364 A CN 201510512364A CN 106468649 A CN106468649 A CN 106468649A
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- Prior art keywords
- porcelain dish
- storage tank
- casserole
- spoon head
- temperature corrosion
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- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 58
- 238000005260 corrosion Methods 0.000 title claims abstract description 37
- 230000007797 corrosion Effects 0.000 title claims abstract description 37
- 239000002028 Biomass Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000004088 simulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to a kind of porcelain dish for simulating biomass high-temperature corrosion and method.This porcelain dish includes porcelain dish main body and casserole；Porcelain dish main body is provided with storage tank, and casserole includes spoon head and the kettleholder being connected with spoon head, and the lower surface of spoon head is adapted with storage tank, and spoon head is put in storage tank and can be contacted with the bottom land of storage tank and all wall seamless.Test piece to be tested completely can be taken out by the porcelain dish that this is used for simulating biomass high-temperature corrosion by casserole, it is to avoid when test piece is bonded in porcelain dish, take out by force and cause surface texture to destroy or mass loss, such that it is able to improve the accuracy of analysis testing result.
Description
Technical field
The present invention relates to biomass boiler field, especially relate to a kind of for simulating biomass high-temperature corrosion
Porcelain dish and method.
Background technology
When at present biomass boiler tube wall corrosion-inhibiting coating being studied, in laboratory, corrosion-inhibiting coating need to be carried out
High Temperature Simulation is tested.High Temperature Simulation experiment generally adopts porcelain boat to contain biomass corrosive medium and metal coupons,
It is then placed in being heated in Muffle furnace.This porcelain boat is that High Temperature Simulation is tested for containing the vitals of sample.
Simulation biomass high-temperature corrosion experiment is that corrosive medium is laid in porcelain boat bottom, and metal coupons lie in corrosion
On medium, treat erosional surface contact corrosion medium.When heating-up temperature is high and the time is longer, corrosive medium is easy
Hardened, metal coupons are bonded together with corrosive medium and are not readily separated, if be mechanically forcibly separating to make
Become erosional surface structural deterioration, affect laboratory test results.
Content of the invention
Based on this it is necessary to provide a kind of be easy to take out test block, can improve analysis result accuracy for mould
Intend porcelain dish and the method for biomass high-temperature corrosion.
A kind of porcelain dish for simulating biomass high-temperature corrosion, including porcelain dish main body and casserole；Described porcelain dish master
Body is provided with storage tank, and described casserole includes spoon head and the kettleholder being connected with described spoon head, the following table of described spoon head
Face is adapted with described storage tank, and described spoon head is put into can be with the bottom land of described storage tank in described storage tank
And week wall seamless contact.
Wherein in an embodiment, the material of described porcelain dish main body and described casserole is identical, including quality hundred
Fraction is not less than 99% Al2O3, mass percent be not more than 0.2% R2O, mass percent are not more than
0.1% Fe2O3And mass percent is not more than 0.2% SiO2, wherein, R is K and Na.Wherein
In one embodiment, the bulk density of described porcelain dish main body and described casserole is more than 3.8g/cm3, apparent porosity
Less than 1%, water absorption rate is that 0,20 DEG C of slips are less than 10-11Torr/L.sec, and bending strength is more than 350Mpa,
Comprcssive strength is more than 12000Mpa, dielectric constant ∑=2MHz, and resistance to thermal shocks is 6 times at 1750 DEG C
Do not split, 1800 DEG C of highest heatproof.
Wherein in an embodiment, described porcelain dish main body is rectangular shape, and length is 160mm, width
For 70mm and highly for 26mm.
Wherein in an embodiment, described porcelain dish main body is uniformly provided with ten square described storage tanks,
The length of described storage tank is 20mm, width is 20mm and depth is 13mm.
Wherein in an embodiment, each described storage tank is correspondingly provided with a described casserole.
Wherein in an embodiment, described casserole also includes connecting portion, and described spoon head and described kettleholder are in institute
The two ends stating connecting portion vertical with described connecting portion be connected and prolong round about in the both sides of described connecting portion
Stretch.
Wherein in an embodiment, it is connected also by arc sections between described kettleholder and described connecting portion.
Wherein in an embodiment, the thickness of described casserole is 3mm, highly for 25mm, described spoon head
Front end and the end of described kettleholder between vertical length be 30mm, the upper surface of described spoon head is a size of
20mm*17mm, lower surface a size of 20mm*20mm.
A kind of simulation biomass high-temperature corrosion method, using described in any of the above-described embodiment for simulating life
The porcelain dish of material high temperature corrosion, methods described comprises the steps：
The spoon head of described casserole is put in described storage tank, until contacting with the bottom land of described storage tank；
Corrosive medium is uniformly laid in spoon head；
Test piece to be tested is placed on corrosive medium and make it to treat erosional surface towards described corrosive medium；
Heating carries out corrosion testing, is taken out described test piece with described casserole after off-test, weighs described examination
The quality of piece, obtains result of the test.
The above-mentioned porcelain dish for simulating biomass high-temperature corrosion and method can be by casserole by test pieces to be tested
Complete taking-up, it is to avoid when test piece is bonded in porcelain dish, takes out by force and causes surface texture to destroy or quality damage
Lose, such that it is able to improve the accuracy of analysis testing result.
Brief description
Fig. 1 is the structural representation of the porcelain dish of an embodiment；
Fig. 2 is the top view of porcelain dish in Fig. 1；
Fig. 3 is the sectional view of the line A-A along along Fig. 2；
Fig. 4 is the structural representation of casserole in Fig. 1.
Specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.
Presently preferred embodiments of the present invention is given in accompanying drawing.But, the present invention can come real in many different forms
Existing however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments to be to make to this
The understanding of disclosure of the invention content is more thoroughly comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly in another yuan
On part or can also there is element placed in the middle.When an element is considered as " connection " another element, it can
To be directly to another element or to may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art being used in the description of the invention herein
Language be intended merely to describe specific embodiment purpose it is not intended that in limit the present invention.Used herein
Term " and/or " include the arbitrary and all of combination of one or more related Listed Items.
Incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, an embodiment porcelain dish 10 includes porcelain dish main body 100 and casserole 200.
This porcelain dish 10 is mainly used in the container as simulation biomass high-temperature corrosion.
Porcelain dish main body 100 is provided with the storage tank 110 for housing test material.In the present embodiment, porcelain dish
Main body 100 is rectangular shape, and length is 160mm, width is 70mm and height is 26mm.Accommodating
Groove 110 has ten, is evenly distributed in porcelain dish main body 100 in two rows.Storage tank 110 is using rule
Square groove, its length is 20mm, width is 20mm and depth is 13mm.By the table in porcelain dish 100
Face open up multiple be uniformly distributed and size identical storage tank 110, can simulation biomass high-temperature corrosion testing
When, make the corrosive medium in storage tank 110 bottom for the covering more uniformly it is ensured that corruption in each storage tank 110
Erosion condition is identical, is conducive to improving the accuracy of result of the test.
Corrosion simulated metal testing plate length and width general control, within 20mm, facilitates late detection (as SEM
Detection), therefore the length and width of storage tank 110 are designed as 20mm*20mm in the present embodiment.Rotten for ensureing
Erosion intensity, storage tank 110 domestic demand places 10-15g corrosive medium, the thickness of casserole in addition, storage tank 110
Depth 13mm be advisable.
Each storage tank 110 is correspondingly provided with a casserole 200.As shown in figure 4, in the present embodiment, porcelain
Spoon 200 includes spoon head 210, connecting portion 220 and kettleholder 230.The lower surface of spoon head 210 and storage tank 110
It is adapted, after spoon head 210 is put in storage tank 110, the lower surface of spoon head 210 can be with storage tank 110
Bottom land and the contact of all wall seamless, and can freely up and down activity in storage tank 110, be easy to take, put test
Material.Spoon head 210, connecting portion 220 are list structure with kettleholder 230.Spoon head 210 and kettleholder 230 exist
The two ends of connecting portion 220 are vertical with connecting portion 220 to be connected and prolongs round about in the both sides of connecting portion 220
Stretch.Further, in the present embodiment, also by arc sections 240 between kettleholder 230 and connecting portion 220
Connect.The radian of arc sections 240 is in 90 °.
In the present embodiment, the thickness of casserole 200 is 3mm, highly for 25mm.Before spoon head 210
(i.e. the front end of spoon head 210 and the end of kettleholder 230 exist vertical length between end and the end of kettleholder 230
The distance between projection in the plane of the parallel lower surface with spoon head 210 or upper surface) it is 30mm.Spoon head
210 is taper structure, and surface size is 20mm*17mm, lower surface a size of 20mm*20mm thereon.
The shape of the lower surface of spoon head 210 and size are adapted with the shape of storage tank 110 bottom land and size, permissible
Realize seamless contact.
It is understood that in other embodiments, the shape of porcelain dish main body 100, storage tank 110 and casserole 200
And structure is not limited to described above, the quantity of such as storage tank 110 can also only one of which；And for example storage tank 110
Can also be circular trough, the spoon head 210 of corresponding casserole 200 can be designed as circular plate shape with accommodating
Groove 110 is adapted；And for example porcelain dish main body 100 can also be evenly distributed on this circle for circle, storage tank 110
In the porcelain dish main body 100 of shape, as long as ensureing that each storage tank 110 experimental condition when heating corrosion testing is identical
?.
In the present embodiment, the material of porcelain dish main body 100 and casserole 200 is identical, including mass percent
Al not less than 99%2O3, mass percent be not more than 0.2% R2O, mass percent are not more than 0.1%
Fe2O3And mass percent is not more than 0.2% SiO2, wherein, R is K and Na.Additionally, at this
In embodiment, the bulk density of porcelain dish main body 100 and casserole 200 is more than 3.8g/cm3, apparent porosity is little
In 1%, water absorption rate is that 0,20 DEG C of slips are less than 10-11Torr/L.sec, and bending strength is more than 350Mpa,
Comprcssive strength is more than 12000Mpa, dielectric constant ∑=2MHz, and resistance to thermal shocks is 6 times at 1750 DEG C
Do not split, 1800 DEG C of highest heatproof.There is the porcelain dish main body 100 of above-mentioned material and casserole 200 have corrosion-resistant
With resistant to elevated temperatures feature, can be used for fully simulating biomass high-temperature corrosion, and corrosive medium be difficult to remain,
It is easy to clean cycle to utilize, there is the circulation strong and cost-effective advantage of availability.
Additionally, present embodiment additionally provides a kind of method of simulation biomass high-temperature corrosion, the method uses
The above-mentioned porcelain dish for simulating biomass high-temperature corrosion, it comprises the steps：
Step one：The spoon head of casserole is put in storage tank, until contacting with the bottom land of storage tank；
Step 2：Corrosive medium is uniformly laid in spoon head；
Step 3：Test piece to be tested is placed on corrosive medium and makes it treat erosional surface towards corrosive medium；
Step 4：Heating carries out corrosion testing, is taken out test piece with casserole after off-test, weighs test piece
Quality, obtains result of the test.
The above-mentioned porcelain dish for simulating biomass high-temperature corrosion and method can be by casserole by test pieces to be tested
Complete taking-up, it is to avoid when test piece is bonded in porcelain dish, takes out by force and causes surface texture to destroy or quality damage
Lose, such that it is able to improve the accuracy of analysis testing result.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not right
The all possible combination of each technical characteristic in above-described embodiment is all described, as long as however, these skills
There is not contradiction in the combination of art feature, be all considered to be the scope of this specification record.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that for this area
For those of ordinary skill, without departing from the inventive concept of the premise, can also make and some deform and change
Enter, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be defined.
Claims (9)
1. a kind of porcelain dish for simulating biomass high-temperature corrosion is it is characterised in that include porcelain dish main body and porcelain
Spoon；Described porcelain dish main body is provided with storage tank, and described casserole includes spoon head and the kettleholder being connected with described spoon head,
The lower surface of described spoon head is adapted with described storage tank, and described spoon head is put into can be with institute in described storage tank
State the bottom land of storage tank and all wall seamless contacts.
2. the as claimed in claim 1 porcelain dish being used for simulating biomass high-temperature corrosion is it is characterised in that institute
State porcelain dish main body and the material of described casserole is identical, be not less than 99% Al including mass percent2O3, quality
Percent is not more than 0.2% R2O, mass percent are not more than 0.1% Fe2O3And mass percent is not
SiO more than 0.2%2, wherein, R is K and Na.
3. the as claimed in claim 1 porcelain dish being used for simulating biomass high-temperature corrosion is it is characterised in that institute
State porcelain dish main body and the bulk density of described casserole is more than 3.8g/cm3, less than 1%, water absorption rate is apparent porosity
0,20 DEG C of slip is less than 10-11Torr/L.sec, and bending strength is more than 350Mpa, and comprcssive strength is more than
12000Mpa, dielectric constant ∑=2MHz, resistance to thermal shocks is not split for 6 times at 1750 DEG C, and highest is resistance to
1800 DEG C of temperature.
4. the as claimed in claim 1 porcelain dish being used for simulating biomass high-temperature corrosion is it is characterised in that institute
Stating porcelain dish main body is rectangular shape, and length is 160mm, width is 70mm and height is 26mm.
5. the as claimed in claim 4 porcelain dish being used for simulating biomass high-temperature corrosion is it is characterised in that institute
State and ten square described storage tanks are uniformly provided with porcelain dish main body, the length of described storage tank is 20mm, width
Spend for 20mm and depth is 13mm.
6. as claimed in claim 5 it is used for simulating the porcelain dish of biomass high-temperature corrosion it is characterised in that every
Individual described storage tank is correspondingly provided with a described casserole.
7. the as claimed in claim 6 porcelain dish being used for simulating biomass high-temperature corrosion is it is characterised in that institute
State casserole and also include connecting portion, described spoon head and described kettleholder are in the two ends of described connecting portion and described connecting portion
Vertically connect and extend round about in the both sides of described connecting portion.
8. the as claimed in claim 7 porcelain dish being used for simulating biomass high-temperature corrosion is it is characterised in that institute
The thickness stating casserole is 3mm, highly for 25mm, between the end of the front end of described spoon head and described kettleholder
Vertical length be 30mm, the upper surface a size of 20mm*17mm of described spoon head, lower surface is a size of
20mm*20mm.
9. a kind of method of simulation biomass high-temperature corrosion is it is characterised in that use as in claim 1～8
The porcelain dish for simulating biomass high-temperature corrosion described in any one, methods described comprises the steps：
The spoon head of described casserole is put in described storage tank, until contacting with the bottom land of described storage tank；
Corrosive medium is uniformly laid in spoon head；
Test piece to be tested is placed on corrosive medium and make it to treat erosional surface towards described corrosive medium；
Heating carries out corrosion testing, is taken out described test piece with described casserole after off-test, weighs described examination
The quality of piece, obtains result of the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512364.2A CN106468649A (en) | 2015-08-19 | 2015-08-19 | For simulating porcelain dish and the method for biomass high-temperature corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512364.2A CN106468649A (en) | 2015-08-19 | 2015-08-19 | For simulating porcelain dish and the method for biomass high-temperature corrosion |
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| Publication Number | Publication Date |
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| CN106468649A true CN106468649A (en) | 2017-03-01 |
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| CN204945009U (en) * | 2015-08-19 | 2016-01-06 | 广东电网有限责任公司电力科学研究院 | For simulating the porcelain dish of biomass high-temperature corrosion |
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2015
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| CN101762450A (en) * | 2009-12-28 | 2010-06-30 | 莱芜钢铁股份有限公司 | Refractory material slag resistance test device |
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