CN109019644A - A kind of magnesium tube material production equipment for high temperature heater (HTH) - Google Patents
A kind of magnesium tube material production equipment for high temperature heater (HTH) Download PDFInfo
- Publication number
- CN109019644A CN109019644A CN201810947378.0A CN201810947378A CN109019644A CN 109019644 A CN109019644 A CN 109019644A CN 201810947378 A CN201810947378 A CN 201810947378A CN 109019644 A CN109019644 A CN 109019644A
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- CN
- China
- Prior art keywords
- high temperature
- hth
- production equipment
- stirred tank
- temperature heater
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- 239000011777 magnesium Substances 0.000 title claims abstract description 30
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 30
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 239000013535 sea water Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 238000001354 calcination Methods 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 15
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 235000017550 sodium carbonate Nutrition 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 10
- 239000000395 magnesium oxide Substances 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000005660 chlorination reaction Methods 0.000 abstract description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011780 sodium chloride Substances 0.000 abstract description 5
- 239000011575 calcium Substances 0.000 abstract description 4
- 229910052791 calcium Inorganic materials 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 3
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 3
- WJEIYVAPNMUNIU-UHFFFAOYSA-N [Na].OC(O)=O Chemical compound [Na].OC(O)=O WJEIYVAPNMUNIU-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010292 electrical insulation Methods 0.000 abstract description 3
- 238000003801 milling Methods 0.000 abstract description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 159000000003 magnesium salts Chemical class 0.000 description 3
- UEJWRQDKIBEMCR-UHFFFAOYSA-L calcium;sodium;carbonate Chemical compound [Na+].[Ca+2].[O-]C([O-])=O UEJWRQDKIBEMCR-UHFFFAOYSA-L 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 229910006130 SO4 Inorganic materials 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 159000000007 calcium salts Chemical group 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- -1 deliming Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
- C01F5/06—Magnesia by thermal decomposition of magnesium compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Magnesium tube material production equipment for high temperature heater (HTH) of the invention, seawater sedimentation basin is sequentially connected first filter, first reaction kettle, hydrochloric acid tank, concentration basin, drying tower, after preparing chlorination magnesium raw material, pass through the first stirred tank respectively with carbonic acid sodium raw materials, second stirred tank is delivered to the second reaction kettle and is sequentially connected the second filter for molten, water scrubber, calcining furnace, melting furnace, cooling tower, ball mill, finally obtained high-purity magnesium oxide powder, purity is high, high temperature resistance is good, calcium can be completely removed, the impurity such as iron, density is big, with excellent electrical insulation capability and heat-conductive characteristic, simplify the technological process of production, quality is stablized, reduce production cost；The powder as made from ball mill milling does not have wedge angle, eliminates stress concentration, reduces subsequent product crackle tendency；Reaction can also generate the secondary product of sodium chloride simultaneously, further increase economic benefit by secondary product.
Description
Technical field
The present invention relates to a kind of magnesium tube material production equipments for high temperature heater (HTH).
Background technique
The raw materials of magnesium oxide of conventional heater generally uses terrestrial magnesia to be made, and the technological process of production is long, unstable quality,
Production cost is high, and purity is low, and impurity is more, does not adapt to the requirement of high temperature heater (HTH)；Seawater accounts for about earth surface product
71%, have very huge potentiality to be exploited, for reply terrestrial resource it is increasingly depleted caused by energy crisis, contain abundant
Seawater resources using technology it is growing, the main component in sewater chemistry resource has Na, Mg, Ca, K, Cl, SO4, this 6 kinds at
Divide and account for 99.5% of seawater component or more, is generally present in seawater with sodium salt, magnesium salts, sylvite and calcium salt forms, the magnesium in seawater
Total amount about 2000 × 10t, it has also become important industrial chemicals；Magnesium salts in sea water magnesia is generally magnesium chloride, and Tonghua work is needed to set
Prepare the high-purity electrically molten magnesia raw material for taking and can be used in manufacturing high temperature heater (HTH) magnesium pipe.
Summary of the invention
The technical problem to be solved by the invention is to provide one kind to pass through seawater magnesium salts making pure degree height, high temperature resistance
Good magnesia, the magnesium tube material production equipment for high temperature heater (HTH).
Magnesium tube material production equipment for high temperature heater (HTH) of the invention, it is characterised in that: including seawater sedimentation basin, sea
Water sedimentation pond is connected with first filter by pipeline, and filter bottom liquid bottom outlet is connected to the first reaction kettle top side,
The other side is connected with hydrochloric acid tank at the top of first reaction kettle；Concentration basin is protruded by pipeline in the outlet of first reactor bottom；Concentration
Pond is connected with drying tower by pipeline, and drying tower bottom discharge port is connected to the first stirred tank top side by conveyance conduit；
The other side is provided with auxiliary material entrance at the top of first stirred tank, and the first stirred tank outlet at bottom is connected at the top of the second reaction kettle
Side, the second reaction kettle top other side are connected with the second stirred tank, and the second stirred tank top side is provided with the second raw material and enters
Mouthful, the other side is also equipped with auxiliary material entrance；Second reactor bottom discharge port is connected with the second filter for molten, the second filter
The main discharge port of bottom side is connected with water scrubber, and water scrubber outlet is connected with calcining furnace, melting furnace, cooling tower, ball milling in turn
Machine；
The drying tower bottom discharge port is provided with roll-over in solid, and be internally provided with can be by solid magnesium chloride for roll-over in solid
It is broken for the crushing mechanism of smaller particle, solid transfer storehouse outlet at bottom is connected to one at the top of the first stirred tank by conveyance conduit
Side；
Insulating layer is provided with outside first stirred tank, the second stirred tank；
The calcining furnace is one of the full-automatic 4DLA type bell-type furnace of PBE- or the full-automatic 8DLA type bell-type furnace of PBE-；
The melting furnace is 3300 DEG C of graphite electric smelter meltings；
Second feed(raw material)inlet is soda ash feed(raw material)inlet；
Second filter bottom time discharge port is connected with salt purification apparatus；
All conveyance conduits and roll-over in each reaction kettle, storage tank, filter, stirred tank, drying tower, solid, water scrubber enter
Mouth, outlet connection are provided with control valve, are provided with pressure pump on conveyance conduit.
Magnesium tube material production equipment for high temperature heater (HTH) of the invention, seawater sedimentation basin are sequentially connected the first filtering
Device, the first reaction kettle, hydrochloric acid tank, concentration basin, drying tower after preparing chlorination magnesium raw material, pass through the with carbonic acid sodium raw materials respectively
One stirred tank, the second stirred tank are delivered to the second reaction kettle and are sequentially connected the second filter for molten, water scrubber, calcining furnace, melting furnace, cold
But high-purity magnesium oxide powder is finally made in tower, ball mill, and purity is high, high temperature resistance are good, and it is miscellaneous can to completely remove calcium, iron etc.
Matter, density is big, has excellent electrical insulation capability and heat-conductive characteristic, simplifies the technological process of production, and quality is stablized, reduced
Production cost；The powder as made from ball mill milling does not have wedge angle, eliminates stress concentration, reduces subsequent product crackle and incline
To；Reaction can also generate the secondary product of sodium chloride simultaneously, further increase economic benefit by secondary product.
Detailed description of the invention
Fig. 1 is the magnesium tube material production equipment structural schematic diagram that the embodiment of the present invention is used for high temperature heater (HTH).
Specific embodiment
As shown, a kind of magnesium tube material production equipment for high temperature heater (HTH), including seawater sedimentation basin 1, seawater are heavy
Shallow lake pond 1 is connected with first filter 2 by pipeline, and 2 bottom liquid bottom outlet of filter is connected to 4 top side of the first reaction kettle,
First reaction kettle, the 4 top other side is connected with hydrochloric acid tank 3；First 4 kettle outlet at bottom of reaction protrude into concentration basin 5 by pipeline；
Concentration basin 5 is connected with drying tower 6 by pipeline, and 6 bottom discharge port of drying tower is connected to the first stirring by powder conduit road
8 top side of kettle；Seawater introduce seawater sedimentation basin after successively through first filter, the first reaction kettle, hydrochloric acid tank, concentration basin,
The reactions such as sedimentation, filtering, emulsification, neutralization, washing, dry occur for drying tower, treatment process prepares chlorination magnesium raw material；First stirring
The 8 top other side of kettle is provided with auxiliary material entrance, and 8 outlet at bottom of the first stirred tank is connected to 10 top one of the second reaction kettle
Side, the 10 top other side of the second reaction kettle are connected with the second stirred tank 9, and 9 top side of the second stirred tank is provided with the second raw material
Entrance, the other side are also equipped with auxiliary material entrance；Chlorination magnesium raw material is former by auxiliary after the first stirred tank 8 is dissolved in hot water
Expect that the auxiliary materials such as activated magnesia, oxalic acid, sodium hypochlorite are added in entrance, to go the purification of the impurity such as deliming, iron for purification chlorination
Magnesium solution；Active oxidation is added also by auxiliary material entrance after the second stirred tank 9 is dissolved in hot water in the second raw material soda ash simultaneously
The auxiliary materials such as magnesium, to remove impurity purification as prepared calcium carbonate sodium solution；Purified magnesium chloride solution, prepared calcium carbonate sodium solution are
Reaction generates basic magnesium carbonate, sodium chloride in two reaction kettles 10；
Second reaction kettle, 10 bottom discharge port is connected with the second filter for molten 13, and the main discharge port of 14 bottom side of the second filter connects
It is connected to water scrubber 12, the outlet of water scrubber 12 is connected with calcining furnace 15, melting furnace 13, cooling tower 17, ball mill 16 in turn；Second mistake
The basic magnesium carbonate that filter 14 filters to isolate successively is delivered to water scrubber 12, calcining furnace 15, melting furnace 13, cooling tower 17, ball
Grinding machine 16, through washing, dehydration, calcining, melting, cooling, crushing, being milled is made high-purity magnesium oxide powder.
6 bottom discharge port of drying tower is provided with roll-over 7 in solid, and be internally provided with can be by solid chlorine for roll-over 7 in solid
Change the crushing mechanism that magnesium is broken for smaller particle, 7 outlet at bottom of roll-over is connected to the first stirred tank 8 by conveyance conduit in solid
Top side, the conveying of little particle magnesium chloride is unobstructed, prepares purified magnesium chloride solution convenient for dissolving.
It is provided with insulating layer outside first stirred tank, the second stirred tank, dissolves purification efficiency to improve.
Calcining furnace is one of the full-automatic 4DLA type bell-type furnace of PBE- or the full-automatic 8DLA type bell-type furnace of PBE-, and atmosphere is equal
Even, stable, sintering character is good.
Melting furnace is 3300 DEG C of graphite electric smelter meltings, is excellent refractory material because pure magnesium fusing point is up to 2800 DEG C,
Ensure that high-purity magnesium oxide can melt completely under the conditions of 3300 DEG C, crystallization effect is good.
Second filter bottom time discharge port is connected with salt purification apparatus, and sodium chloride is after being separated by solid-liquid separation, through salt essence
Control equipment further purifies, adds iodine, is refining to obtain the secondary product of edible salt, and economic benefit can be improved.
Conveyance conduit and each reaction kettle, storage tank, filter, stirred tank, drying tower, roll-over in solid, water scrubber entrance,
Outlet connection is provided with control valve, and pressure pump is arranged on conveyance conduit when necessary, flexible and convenient to use, controls precision
It is high；Computer monitoring centralized control can be used, good process repeatability, full light structures are energy-efficient.
Magnesium tube material production equipment for high temperature heater (HTH) of the invention, seawater sedimentation basin are sequentially connected the first filtering
Device, the first reaction kettle, hydrochloric acid tank, concentration basin, drying tower after preparing chlorination magnesium raw material, pass through the with carbonic acid sodium raw materials respectively
One stirred tank, the second stirred tank are delivered to the second reaction kettle and are sequentially connected the second filter for molten, water scrubber, calcining furnace, melting furnace, cold
But high-purity magnesium oxide powder is finally made in tower, ball mill, and purity is high, high temperature resistance are good, and it is miscellaneous can to completely remove calcium, iron etc.
Matter, density is big, has excellent electrical insulation capability and heat-conductive characteristic, simplifies the technological process of production, and quality is stablized, reduced
Production cost；The powder as made from ball mill milling does not have wedge angle, eliminates stress concentration, reduces subsequent product crackle and incline
To；Reaction can also generate the secondary product of sodium chloride simultaneously, further increase economic benefit by secondary product.
Claims (8)
1. a kind of magnesium tube material production equipment for high temperature heater (HTH), it is characterised in that: including seawater sedimentation basin, seawater precipitating
Pond is connected with first filter by pipeline, and filter bottom liquid bottom outlet is connected to the first reaction kettle top side, and first is anti-
The kettle top portion other side is answered to be connected with hydrochloric acid tank；Concentration basin is protruded by pipeline in the outlet of first reactor bottom；Concentration basin passes through
Pipeline is connected with drying tower, and drying tower bottom discharge port is connected to the first stirred tank top side by conveyance conduit；First stirs
It mixes the kettle top portion other side and is provided with auxiliary material entrance, the first stirred tank outlet at bottom is connected to the second reaction kettle top side,
The other side is connected with the second stirred tank at the top of second reaction kettle, and the second stirred tank top side is provided with the second feed(raw material)inlet, separately
Side is also equipped with auxiliary material entrance；Second reactor bottom discharge port is connected with the second filter for molten, the second filter bottom
The main discharge port of side is connected with water scrubber, and water scrubber outlet is connected with calcining furnace, melting furnace, cooling tower, ball mill in turn.
2. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: the drying tower
Bottom discharge port is provided with roll-over in solid, and roll-over, which is internally provided with, in solid to be broken for smaller particle for solid magnesium chloride
Crushing mechanism, solid transfer storehouse outlet at bottom is connected to the first stirred tank top side by conveyance conduit.
3. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: described first stirs
It mixes kettle, be provided with insulating layer outside the second stirred tank.
4. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: the calcining furnace
For one of the full-automatic 4DLA type bell-type furnace of PBE- or the full-automatic 8DLA type bell-type furnace of PBE-.
5. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: the melting furnace
It is melted for 3300 DEG C of graphite electric smelters.
6. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: described second is former
Material entrance is soda ash feed(raw material)inlet.
7. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: second mistake
Filter bottom time discharge port is connected with salt purification apparatus.
8. being used for the magnesium tube material production equipment of high temperature heater (HTH) according to claim 1, it is characterised in that: all delivery pipes
Road is all provided with roll-over, the entrance of water scrubber, outlet connection in each reaction kettle, storage tank, filter, stirred tank, drying tower, solid
It is equipped with control valve, pressure pump is set on conveyance conduit when necessary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947378.0A CN109019644A (en) | 2018-08-20 | 2018-08-20 | A kind of magnesium tube material production equipment for high temperature heater (HTH) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947378.0A CN109019644A (en) | 2018-08-20 | 2018-08-20 | A kind of magnesium tube material production equipment for high temperature heater (HTH) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019644A true CN109019644A (en) | 2018-12-18 |
Family
ID=64631375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810947378.0A Pending CN109019644A (en) | 2018-08-20 | 2018-08-20 | A kind of magnesium tube material production equipment for high temperature heater (HTH) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849171A (en) * | 2019-03-16 | 2019-06-07 | 洛阳市科创绿色建材研究院 | Polished bricks raw material calcium-removing device and its deliming technique |
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| CN109849171A (en) * | 2019-03-16 | 2019-06-07 | 洛阳市科创绿色建材研究院 | Polished bricks raw material calcium-removing device and its deliming technique |
| CN109849171B (en) * | 2019-03-16 | 2023-10-27 | 洛阳市科创绿色建材研究院 | Polishing brick raw material calcium removing device and calcium removing process thereof |
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Application publication date: 20181218 |
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