CN202968148U - Equipment for producing calcium oxide by utilizing calcium sulphate - Google Patents

Equipment for producing calcium oxide by utilizing calcium sulphate Download PDF

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Publication number
CN202968148U
CN202968148U CN 201220642885 CN201220642885U CN202968148U CN 202968148 U CN202968148 U CN 202968148U CN 201220642885 CN201220642885 CN 201220642885 CN 201220642885 U CN201220642885 U CN 201220642885U CN 202968148 U CN202968148 U CN 202968148U
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China
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calcium oxide
screw
parallel double
equipment
cooling jacket
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Expired - Lifetime
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CN 201220642885
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Chinese (zh)
Inventor
刘立文
刘珍如
宁爱民
宁勇
宁江天
刘勇
鲁纪鸣
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刘立文
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Abstract

The utility model relates to equipment for producing calcium oxide by utilizing calcium sulphate. The equipment for producing calcium oxide by utilizing calcium sulphate comprises a rack, a hopper, a main motor, a reduction box, a parallel double screw, a single-screw slot type decomposer, an absorption tank, a cooling jacket and a discharge hole, wherein the rack is used for supporting the whole equipment; the main motor is connected with the parallel double screw by the reduction box; the parallel double screw is provided with a heating device at the periphery; a high frequency induction generator is arranged outside the single-screw slot type decomposer, and a vacuumizing system is arranged at the rear end of the single-screw slot type decomposer; the absorption tank arranged inside the rack is communicated with the vacuumizing system; the cooling jacket with a spiral conduction oil pipeline inside is connected with the single-screw slot type decomposer by a flange; and the outer end of the cooling jacket is connected with the discharge hole by a flange. By adopting the equipment for producing calcium oxide by utilizing calcium sulphate, the heating speed is high, materials can be heated more uniformly, the heating effect is better, no secondary impurity is introduced in the whole process, SO2 waste gas is completely absorbed, no environmental pollution is produced, and purity of the calcium oxide product can be more than 85%.

Description

Utilize calcium sulfate to produce the equipment of calcium oxide
Technical field
The utility model relates to a kind of equipment of producing calcium oxide, especially relates to a kind of equipment that utilizes calcium sulfate to produce calcium oxide.
Background technology
Calcium oxide is widely used in the aspects such as purification of agricultural chemicals, papermaking, food, petrochemical complex, process hides, waste water, can be used for making calcium carbide, soda ash, chlorinated lime, as refractory materials, siccative and soil improvement agent, calcareous fertilisers; Fusing assistant as analytical reagent, manufacturing fluorescent material; As material of construction, metallurgical fusing assistant; It is the main raw material of hydrogen manufacturing calcium oxide and various calcium cpds.
Traditional calcium oxide production method, mainly take Wingdale as raw material, calcining process adopts shaft furnace, will calcine in Wingdale and solid fuel mixes or layering is packed into kiln.The equipment volume that this production method needs is large, and introduces solid fuel and heat, and also easily introduces secondary impurities, reduces the purity of product, and environmental pollution is also larger.
Chinese invention patent application 200810064141.4 discloses a kind of take the high purity marble as raw material, calcium oxide production method take gas or solid fuel as thermal source, the equipment that uses is tunnel furnace, the kiln of falling the cigarette, rolling plate kiln or drawer kiln, reduced to a certain extent the introducing of new impurity, substantially reached cleaner production, but this production technique is wayward, and production cost is higher.
The utility model content
The technical problems to be solved in the utility model is, overcomes that the prior art energy consumption is high, inefficient deficiency, provides the calcium sulfate that utilizes that a kind of energy consumption is low, efficient is high, environmental pollution is few to produce the equipment of calcium oxide.
The technical scheme that the utility model solve the technical problem employing is, utilizes calcium sulfate to produce the equipment of calcium oxide, comprises frame, hopper, main motor, reduction box, parallel double-screw, single screw channel formula splitter, cuvette, cooling jacket, discharge port; Described frame is used for supporting whole equipment; Described main motor is connected with parallel double-screw by reduction box, consists of raw material and extrudes e Foerderanlage, and hopper is positioned at the initiating terminal of parallel double-screw, communicates with gap between parallel double-screw; Described parallel double-screw periphery is with heating unit, and single screw channel formula splitter is connected by flange with parallel double-screw; Single screw channel formula splitter is the sintering metal casting, can be anti-high temperature more than 3000 ℃; Outside at single screw channel formula splitter is equipped with high-frequency induction generator, is provided with pumped vacuum systems in single screw channel formula splitter rear end; The cuvette that is positioned at frame inside is communicated with pumped vacuum systems, is loaded with mass concentration in cuvette greater than 60% NaOH solution, is used for absorbing the sulfur dioxide gas that pumped vacuum systems is extracted out; Inner cooling jacket with the volution heat conducting oil pipe is connected by flange with single screw channel formula splitter, and admittance deep fat in the volution heat conducting oil pipe is for the material (lime powder) of cooling cooling jacket inside; The cooling jacket outer end is connected with discharge port by flange, discharge port is provided with calcium oxide outlet and iron powder discharge opening, calcium oxide outlet and iron powder discharge opening are intersection and distribute, and are provided with in the iron powder discharge opening and unload the material list screw rod, unload the material list screw rod and are provided with strong magnet with the position that the calcium oxide outlet intersects on every side.
Utilize the working process of the utility model device fabrication calcium oxide:
Start main motor, calcium sulfate and iron powder are all added material bin with the form of powder, calcium sulfate and iron powder mixed powder enter parallel double-screw under action of gravity, be fed forward material with the parallel double-screw of heating unit under the driving of main motor, and material obtains preheating in parallel double-screw; When material enters single screw channel formula splitter, under the effect of its external high frequency induction generator, iron powder in mixed powder is because of electromagnetic induction, section produces very big electric current within it, and produce rapidly a large amount of heat because of electricresistance effect, to 1000-1600 ℃, material decomposes with heating material, the SO of generation 2The system that is evacuated extracts out, and is absorbed O at cuvette 2Be discharged in atmosphere; The lime powder that generates after calcium sulfate decomposes is transported in cooling jacket cooling, continue to be fed forward through overcooled lime powder, when it arrives discharge port, strong permanent magnet sucks iron powder and unloads the material list screw rod, discharged by the iron powder discharge opening under the rotation of unloading the material list screw rod, calcium oxide is discharged by the calcium oxide outlet under Gravitative Loads.
Adopt the utility model equipment, rate of heating is faster, and material is heated more even, and heats is better, and whole production process is not introduced secondary impurities, waste gas SO 2Be completely absorbed, environmental pollution is few, and the calcium oxide product purity can be up to more than 85%.
Description of drawings
Fig. 1 utilizes calcium sulfate to produce the device structure schematic diagram of calcium oxide;
(1, frame; 2, main motor; 3, hopper; 4, reduction box; 5, parallel double-screw; 6, single screw channel formula splitter; 7, high-frequency induction generator; 8, pumped vacuum systems; 10, cuvette; 11, cooling jacket; 12, volution heat conducting oil pipe; 13, discharge port; 14, unload the material list screw rod; 15, strong magnet; 16, iron powder discharge opening; 17, calcium oxide outlet).
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The calcium sulfate that utilizes of the present embodiment is produced the equipment of calcium oxide, comprises frame 1, hopper 3, main motor 2, reduction box 4, parallel double-screw 5, single screw channel formula splitter 6, cuvette 10, cooling jacket 11, discharge port 13; Described frame 1 is used for supporting whole equipment; Described main motor 2 is connected with parallel double-screw 5 by reduction box 4, and the formation raw material is extruded e Foerderanlage, and hopper 3 is positioned at the initiating terminal of parallel double-screw 5, communicates with gap between parallel double-screw 5; Described parallel double-screw 5 peripheries are with heating unit, single screw channel formula splitter 6 is connected by flange with parallel double-screw 5, single screw channel formula splitter 6 is the sintering metal casting, can be anti-high temperature more than 3000 ℃, outside at single screw channel formula splitter 6 is equipped with high-frequency induction generator 7, is provided with a cover pumped vacuum systems 8 in single screw channel formula splitter 6 rear ends; The cuvette 10 that is positioned at frame 1 inside is communicated with pumped vacuum systems 8, is loaded with mass concentration in cuvette greater than 60% NaOH solution, is used for absorbing the sulfur dioxide gas that pumped vacuum systems 8 is extracted out; Inner cooling jacket 11 with volution heat conducting oil pipe 12 is connected by flange with single screw channel formula splitter 6, and the interior admittance deep fat of volution heat conducting oil pipe 12 is for the material (lime powder) of cooling cooling jacket 11 inside; Cooling jacket 11 outer ends are connected with discharge port 13 by flange, discharge port 13 is provided with calcium oxide outlet 17 and iron powder discharge opening 16, calcium oxide outlet 17 and iron powder discharge opening 16 are intersection and distribute, be provided with in iron powder discharge opening 16 and unload material list screw rod 14, unload around material list screw rod 14 with calcium oxide outlet 17 positions that intersect and be provided with strong magnet 15.
Utilize the working process of the device fabrication calcium oxide of the present embodiment:
Start main motor 2, calcium sulfate and iron powder are all added material bin 3 with the form of powder, calcium sulfate and iron powder mixed powder enter parallel double-screw 5 under action of gravity, parallel double-screw 5 with heating unit is fed forward material under the driving of main motor 2, material obtains preheating in parallel double-screw 5; When material enters single screw channel formula splitter 6, under the effect of its external high frequency induction generator 7, iron powder in mixed powder is because of electromagnetic induction, section produces very big electric current within it, and produce rapidly a large amount of heat because of electricresistance effect, to 1000-1600 ℃, material decomposes with heating material, the SO of generation 2Be evacuated system 8 and extract out, and be absorbed O at cuvette 10 2Be discharged in atmosphere; The lime powder that generates after calcium sulfate decomposes is transported in cooling jacket 11 cooling, continue to be fed forward through overcooled lime powder, when it arrives discharge port 13, strong permanent magnet 15 sucks iron powder and unloads material list screw rod 14, discharged by iron powder discharge opening 16 under the rotation of unloading material list screw rod 14, calcium oxide is emitted by calcium oxide outlet 17 under Gravitative Loads.
Adopt the equipment of the present embodiment, rate of heating is faster, and material is heated more even, and heats is better, and whole process is not introduced secondary impurities, waste gas SO 2Be completely absorbed, basically can not produce environmental pollution, goods purity can be up to 88%.

Claims (2)

1. utilize calcium sulfate to produce the equipment of calcium oxide, it is characterized in that, comprise frame, hopper, main motor, reduction box, parallel double-screw, single screw channel formula splitter, cuvette, cooling jacket, discharge port; Described frame is used for supporting whole equipment; Described main motor is connected with parallel double-screw by reduction box, consists of raw material and extrudes e Foerderanlage, and hopper is positioned at the initiating terminal of parallel double-screw, communicates with gap between parallel double-screw; Described parallel double-screw periphery is with heating unit, and single screw channel formula splitter is connected by flange with parallel double-screw; Outside at single screw channel formula splitter is equipped with high-frequency induction generator, is provided with pumped vacuum systems in single screw channel formula splitter rear end; The cuvette that is positioned at frame inside is communicated with pumped vacuum systems; Inner cooling jacket with the volution heat conducting oil pipe is connected by flange with single screw channel formula splitter; The cooling jacket outer end is connected with discharge port by flange, discharge port is provided with calcium oxide outlet and iron powder discharge opening, calcium oxide outlet and iron powder discharge opening are intersection and distribute, and are provided with in the iron powder discharge opening and unload the material list screw rod, unload the material list screw rod and are provided with strong magnet with the position that the calcium oxide outlet intersects on every side.
2. the equipment that utilizes calcium sulfate to produce calcium oxide according to claim 1, is characterized in that, described single screw channel formula splitter can be anti-high temperature more than 3000 ℃.
CN 201220642885 2012-11-29 2012-11-29 Equipment for producing calcium oxide by utilizing calcium sulphate Expired - Lifetime CN202968148U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220642885 CN202968148U (en) 2012-11-29 2012-11-29 Equipment for producing calcium oxide by utilizing calcium sulphate

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Application Number Priority Date Filing Date Title
CN 201220642885 CN202968148U (en) 2012-11-29 2012-11-29 Equipment for producing calcium oxide by utilizing calcium sulphate

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CN202968148U true CN202968148U (en) 2013-06-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102992371A (en) * 2012-11-29 2013-03-27 刘立文 Equipment for producing calcium oxide through calcium sulfate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102992371A (en) * 2012-11-29 2013-03-27 刘立文 Equipment for producing calcium oxide through calcium sulfate
CN102992371B (en) * 2012-11-29 2014-12-24 刘立文 Equipment for producing calcium oxide through calcium sulfate

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130605

Effective date of abandoning: 20141224

RGAV Abandon patent right to avoid regrant