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 PDF

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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
Authority
CN
China
Prior art keywords
high temperature
hth
production equipment
stirred tank
temperature heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810947378.0A
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Chinese (zh)
Inventor
王裕福
王太峰
王太祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUTAI ANTI-EXPLOSION ELECTRIC HEATER Co Ltd ZHENJIANG
Original Assignee
YUTAI ANTI-EXPLOSION ELECTRIC HEATER Co Ltd ZHENJIANG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YUTAI ANTI-EXPLOSION ELECTRIC HEATER Co Ltd ZHENJIANG filed Critical YUTAI ANTI-EXPLOSION ELECTRIC HEATER Co Ltd ZHENJIANG
Priority to CN201810947378.0A priority Critical patent/CN109019644A/en
Publication of CN109019644A publication Critical patent/CN109019644A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00Compounds of magnesium
    • C01F5/02Magnesia
    • C01F5/06Magnesia by thermal decomposition of magnesium compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00Halides of sodium, potassium or alkali metals in general
    • C01D3/04Chlorides
    • C01D3/06Preparation by working up brines; seawater or spent lyes

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

A kind of magnesium tube material production equipment for high temperature heater (HTH)
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.
CN201810947378.0A 2018-08-20 2018-08-20 A kind of magnesium tube material production equipment for high temperature heater (HTH) Pending CN109019644A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011845A (en) * 1949-04-04 1952-06-27 Chimie Dans L Ind Process for the production of purified magnesium chloride or of caustic or sintered magnesium oxide and precipitated carbonate of lime, starting from dolomite
FR56440E (en) * 1945-07-05 1952-09-24 Produits Maritimes Du Poulingu Process and installation for the extraction of magnesium salts from sea water
GB1332736A (en) * 1970-02-20 1973-10-03 Veitscher Magnesitwerke Ag Process for the large scale production of magnesium oxide of high purity
CN1172768A (en) * 1997-08-29 1998-02-11 高耀军 Method for producing electric smelting high-purity magnesia suited in the highland enviroment
CN1704337A (en) * 2004-06-04 2005-12-07 天津科技大学 Process for producing high purity magnesia
CN101607720A (en) * 2008-06-16 2009-12-23 中国科学院过程工程研究所 With the bittern that contains magnesium chloride is the feedstock production method of magnesium oxide
CN101993098A (en) * 2010-11-23 2011-03-30 中国科学院过程工程研究所 Method for preparing high-purity magnesium oxide from nesquehonite by carbon-ammonia recycle method
CN109133121A (en) * 2018-08-20 2019-01-04 镇江裕太防爆电加热器有限公司 A kind of magnesium tube material production method for high temperature heater (HTH)
CN209098200U (en) * 2018-08-20 2019-07-12 镇江裕太防爆电加热器有限公司 A kind of magnesium tube material production equipment for high temperature heater (HTH)

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR56440E (en) * 1945-07-05 1952-09-24 Produits Maritimes Du Poulingu Process and installation for the extraction of magnesium salts from sea water
FR1011845A (en) * 1949-04-04 1952-06-27 Chimie Dans L Ind Process for the production of purified magnesium chloride or of caustic or sintered magnesium oxide and precipitated carbonate of lime, starting from dolomite
GB1332736A (en) * 1970-02-20 1973-10-03 Veitscher Magnesitwerke Ag Process for the large scale production of magnesium oxide of high purity
CN1172768A (en) * 1997-08-29 1998-02-11 高耀军 Method for producing electric smelting high-purity magnesia suited in the highland enviroment
CN1704337A (en) * 2004-06-04 2005-12-07 天津科技大学 Process for producing high purity magnesia
CN101607720A (en) * 2008-06-16 2009-12-23 中国科学院过程工程研究所 With the bittern that contains magnesium chloride is the feedstock production method of magnesium oxide
CN101993098A (en) * 2010-11-23 2011-03-30 中国科学院过程工程研究所 Method for preparing high-purity magnesium oxide from nesquehonite by carbon-ammonia recycle method
CN109133121A (en) * 2018-08-20 2019-01-04 镇江裕太防爆电加热器有限公司 A kind of magnesium tube material production method for high temperature heater (HTH)
CN209098200U (en) * 2018-08-20 2019-07-12 镇江裕太防爆电加热器有限公司 A kind of magnesium tube material production equipment for high temperature heater (HTH)

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Cited By (2)

* Cited by examiner, † Cited by third party
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
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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