CN201390707Y - Magnesium oxide preparation device - Google Patents
Magnesium oxide preparation device Download PDFInfo
- Publication number
- CN201390707Y CN201390707Y CN200920114511U CN200920114511U CN201390707Y CN 201390707 Y CN201390707 Y CN 201390707Y CN 200920114511 U CN200920114511 U CN 200920114511U CN 200920114511 U CN200920114511 U CN 200920114511U CN 201390707 Y CN201390707 Y CN 201390707Y
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- material calcining
- calcining passage
- preparation equipment
- passage
- magnesium oxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a magnesium oxide preparation device, which leads grinded magnesite into a material calcining passage and then heats the material calcining passage. The magnesium oxide preparation device comprises a calcination facility, and the calcination facility comprises a heat conducting material calcining passage which is transversely arranged and capable of rotating and a heating mechanism for heating the heat conducting material calcining passage. The magnesium oxide preparation device has the advantages that 1, grinded magnesite powder with uniform size is led into the material calcining passage arranged on the preparation device, thereby realizing sufficient and uniform calcination, increasing weight percentage of activated magnesium oxide to 70%-90%, being favorable for production enterprises utilizing magnesium oxide as raw materials to scientifically and accurately proportion formula of producing and processing, and then increasing final product quality, 2, the magnesite power is kept separated from fuel, thereby avoiding being polluted and being favorable for improving quality of subsequent products of magnesium oxide, 3, the magnesite power is uniform in size, thereby avoiding overburning and increasing utilization of fuel, and 4, the inner wall of a burning furnace is provided with a heat insulating layer, thereby reducing energy waste.
Description
[affiliated technical field]
The utility model relates to a kind of magnesian preparation equipment, relates in particular to a kind of with importing the material calcining passage behind the magnesium ore grinding, by the magnesian preparation equipment to material calcining passage heating and calcining.
[background technology]
In the prior art,, be light calcined magnesia (name of national sector standard is called the magnesite product light calcined magnesia) at the magnesium oxide that 900 ℃ of following calcined magnesium ores form.The light calcined magnesia method for calcinating adopts shaft kiln calcination usually.Directly drop into magnesium ore in kiln, kiln bottom is with the direct calcined magnesium ore of gas flame.Calcine after several hours, kiln discharge, pulverize the back magnesium oxide.Adopt this method for calcinating to exist weak point: 1, the magnesium ore that drops in the kiln is not of uniform size, greatly tens kilograms, little several kilograms, the magnesium ore of bulk does not burn ripe, the magnesium ore of fritter burns excessive again, active oxidation Mg content after the calcining has only 40-60%, and the utilization ratio of magnesium ore is low, the serious waste Mineral resources; 2, because the magnesium oxide active quantities is low, and unstable, with magnesium oxide the prescription that the manufacturing enterprise of raw material is difficult to the scientific matching process for processing, influence end product quality; 3, magnesium oxide overbumt can not be applied to magnesite product, and heat energy is wasted; And calcining does not have thermal insulation layer in the cellar for storing things, and heat energy is transmitted to space outerpace easily and is wasted, and therefore, the energy consumption waste is serious; 4, magnesium ore directly drops in the cellar for storing things, polluted by fuel such as coal or combustion residue, is unfavorable for that the magnesium oxide following process has the product of certain mass.
[summary of the invention]
The purpose of this utility model is to provide a kind of magnesian preparation equipment, magnesium slag end behind the grinding imports the material calcining passage that preparation equipment is provided with, calcining evenly fully, improve the content of activated magnesia, and magnesium ore powder and fuel are in separate stage all the time, avoid contaminated, and improve the utilization ratio of fuel, cut down the consumption of energy, solve the problems referred to above that prior art exists.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: magnesian preparation equipment, comprise roasting assembly, it is characterized in that described roasting assembly comprise the heat conduction material calcining passage of rotating arranged transversely, to the heating arrangements of this material calcining passage heating.The setting of material calcining passage can make its interior magnesium ore powder of importing and fuel and combustion residue be in separate stage, avoids contaminated.Heating arrangements is a roasting kiln, by fuel heating and calcining material calcining passages such as coal gas, Sweet natural gas, coal ore; Perhaps heating arrangements for the circuit mechanism that can be connected with power supply (such as, circuit mechanism comprise component for variable-pressure, the big parts of tele-release, and the lead that is connected with the big parts of component for variable-pressure and tele-release) or only be lead.The material calcining passage is connected (circuit mechanism or lead) and connects the heat energy that conduction produces needs with heating arrangements.Magnesium slag of uniform size end behind the grinding imports the material calcining passage, and calcining evenly fully improves the content of activated magnesia.In the prior art, the active oxidation Mg content after the calcining has only 40-60%, and adopts device of the present utility model to make the active oxidation Mg content after the calcining bring up to 70-90%.
As the further of technique scheme improved and replenish, the utility model adopts following technical measures:
Described heating arrangements comprises the roasting kiln with heating bore, and the furnace wall of described roasting kiln is provided with thermal insulation layer, and described material calcining passage passes the roasting kiln heating bore and is arranged on the roasting kiln by rotating mechanism is rotating.The magnesium ore powder is entered from an end of material calcining passage, after the calcining of roasting kiln inner chamber, brings out from other one.And in the incinerating process, the material calcining passage is rotating all the time, and the magnesium ore powder that helps in it is heated evenly.
Described rotating mechanism comprises the support roll shaft that is arranged on the roasting kiln furnace wall, is arranged on the power wheel on the material calcining passage, and the transfer motion power parts that cooperate with power wheel, described material calcining passage are arranged on and support on the roll shaft.The transfer motion power parts drive power wheel and rotate, and power wheel drives the material calcining passage again and rotates.Support being provided with of roll shaft and be beneficial to the rotation that realizes the material calcining passage.
The wall body of described roasting kiln is provided with smoke outlet, its be provided with position and material calcining passage opening for feed that the position is set is corresponding.Fuel burns below roasting kiln, and the waste gas of generation up wafts, and discharges from the top of material calcining passage opening for feed correspondence, makes the waste heat of waste gas carry out second-heating to the material calcining passage, has made full use of the waste heat of waste gas, improves the utilization ratio of fuel.
This magnesian preparation equipment also comprises the magnesium ore grinding device that cooperates with described roasting assembly and material calcining passage.The uneven magnesium ore of size imports the material calcining passage behind grinding device grinding powdered.
The setting that has angle of described material calcining passage and horizontal plane, and the opening for feed on the material calcining passage is higher than discharge port.The setting that has angle of material calcining passage and horizontal plane, and rotate in the process of material calcining passage, the magnesium ore powder can move to discharge port end from feed inlet end automatically.Therefore, the magnesium ore powder can enter the material calcining passage from opening for feed endlessly, lines up from discharge port after calcining, and is simple in structure, and do not need extra mechanism's acting to reach the purpose of carrying the magnesium ore powder, can also energy efficient.The size of material calcining passage and horizontal plane angle is decided according to practical situation, mainly is to decide according to the speed that the magnesium ore powder moves in the material calcining passage.
This magnesian preparation equipment also comprises the material puopulsion unit that matches with the material calcining passage.This scheme is that another makes the magnesium ore powder move to the scheme of discharge port end from feed inlet end.The material puopulsion unit can be pressure puopulsion unit (as the air intake device of the gas blower of pressure type, suction type or have the push-and-pull rod-type pressure puopulsion unit that matches with the material calcining passage), can be arranged on any end of material calcining passage, perhaps have the puopulsion unit functional port on the tube wall of material calcining passage, puopulsion unit is connected with the puopulsion unit functional port.Being provided with of material puopulsion unit is beneficial to the speed that better controlled magnesium ore powder moves in the material calcining passage, guarantee burning quality and calcinating speed.
The beneficial effect that the utlity model has: 1, the magnesium slag of uniform size end behind the grinding imports the material calcining passage that preparation equipment is provided with, calcining evenly fully, the weight percent that improves activated magnesia is to 70%-90%, helping with magnesium oxide is that the prescription of the accurate proportioning process for processing of science improves in the manufacturing enterprise of raw material, improves end product quality; 2, magnesium ore powder and fuel are in separate stage all the time, avoid contaminated, help improving the quality of magnesium oxide following process product; 3, magnesium ore powder size is evenly avoided burning, improves the utilization ratio of fuel, cuts down the consumption of energy; 4, the roasting kiln inwall is provided with thermal insulation layer, reduces energy dissipation.
[description of drawings]
Fig. 1 is a kind of structural representation of preparation equipment in the utility model;
Fig. 2 is the another kind of structural representation of preparation equipment in the utility model;
Fig. 3 is another structural representation of preparation equipment in the utility model;
Fig. 4 is the cross sectional representation of Fig. 1 or Fig. 2 or Fig. 3.
[embodiment]
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: magnesian preparation equipment, and as shown in Figure 1 and Figure 4, it comprises roasting assembly, roasting assembly comprises the heat conduction material calcining passage 1 of rotating arranged transversely, to the heating arrangements of this material calcining passage 1 heating.The setting that has angle of material calcining passage 1 and horizontal plane, and the opening for feed on the material calcining passage 19 is higher than discharge port 10.
Heating arrangements comprises the roasting kiln 2 with heating bore, and the furnace wall of roasting kiln 2 is provided with thermal insulation layer 3, and the bottom of roasting kiln 2 is provided with the combustion chamber that is communicated with heating bore.Roasting kiln 2 upper walls are provided with smoke outlet 6, its be provided with position and material calcining passage 1 opening for feed that the position is set is corresponding.Material calcining passage 1 passes the heating bore of roasting kiln 2 and is arranged on the roasting kiln 2 by rotating mechanism is rotating.
Rotating mechanism comprises the support roll shaft 4 that is arranged on roasting kiln 2 furnace walls, is arranged on the power wheel 5 on the material calcining passage 1, and the transfer motion power parts 11 that cooperate with power wheel 5, material calcining passage 1 are arranged on and support on the roll shaft 4.
During use, at first the magnesium ore grinding is formed powder; Then the magnesium ore behind the grinding is imported material calcining passage 1; Material calcining passage 1 is obliquely installed or under the effect of material puopulsion unit, makes the magnesium ore powder be advanced to discharge port from the opening for feed of material calcining passage 1; Then, heating arrangements heats rotating material calcining passage, and the magnesium ore oxidation forms the mixture that contains weight percent 70%-90% activated magnesia.The Heating temperature of heating arrangements is 500-1000 ℃ (generally 850 ℃ is good), and the waste gas that heating arrangements produces is discharged from the corresponding smoke outlet 6 with material calcining passage 1 opening for feed in position is set, in the process of discharging, the waste heat of waste gas further heats the material calcining passage.Use in the process of this equipment, material calcining passage 1 is under the effect of transfer motion power parts 11, and material calcining passage 1 relative combustion stove rotates, and the magnesium ore powder is heated evenly.
Embodiment 2: magnesian preparation equipment, as shown in Figure 2, this magnesian preparation equipment also comprises the magnesium ore grinding device 7 that cooperates with roasting assembly and material calcining passage 1.Adopt magnesium ore grinding device 7 to import material material calcining passage 1 behind the magnesium ore grinding.All the other structures are with embodiment 1.
Embodiment 3: magnesian preparation equipment, as shown in Figure 3, this magnesian preparation equipment also comprises the material puopulsion unit 8 that matches with material calcining passage 1.Adopt this device fabrication to add man-hour, material calcining passage 1 makes the magnesium ore powder be advanced to discharge port from the opening for feed of material calcining passage 1 under the effect of material puopulsion unit.All the other structures are with embodiment 1 or embodiment 2.
Claims (10)
1. magnesian preparation equipment comprises roasting assembly, it is characterized in that described roasting assembly comprise the heat conduction material calcining passage (1) of rotating arranged transversely, to the heating arrangements of this material calcining passage (1) heating.
2. magnesian preparation equipment according to claim 1, it is characterized in that described heating arrangements comprises the roasting kiln (2) with heating bore, the furnace wall of described roasting kiln (2) is provided with thermal insulation layer (3), and described material calcining passage (1) passes roasting kiln (2) heating bore and is arranged on the roasting kiln (2) by rotating mechanism is rotating.
3. magnesian preparation equipment according to claim 2, it is characterized in that described rotating mechanism comprises the support roll shaft (4) that is arranged on roasting kiln (2) furnace wall, be arranged on the power wheel (5) on the material calcining passage (1), the transfer motion power parts (11) that cooperate with power wheel (5), described material calcining passage (1) are arranged on and support on the roll shaft (4).
4. according to claim 1 or 2 or 3 described magnesian preparation equipment, it is characterized in that the wall body of described roasting kiln (2) is provided with smoke outlet (6), its be provided with position and material calcining passage (1) opening for feed that the position is set is corresponding.
5. according to claim 1 or 2 or 3 described magnesian preparation equipment, it is characterized in that this magnesian preparation equipment also comprises the magnesium ore grinding device (7) that cooperates with described roasting assembly and material calcining passage (1).
6. magnesian preparation equipment according to claim 4 is characterized in that this magnesian preparation equipment also comprises the magnesium ore grinding device (7) that cooperates with described roasting assembly and material calcining passage (1).
7. according to claim 1 or 2 or 3 described magnesian preparation equipment, it is characterized in that the setting that has angle of described material calcining passage (1) and horizontal plane, and the opening for feed (9) on the material calcining passage (1) is higher than discharge port (10).
8. magnesian preparation equipment according to claim 6 it is characterized in that the setting that has angle of described material calcining passage (1) and horizontal plane, and the opening for feed (9) on the material calcining passage (1) is higher than discharge port (10).
9. according to claim 1 or 2 or 3 described magnesian preparation equipment, it is characterized in that this magnesian preparation equipment also comprises the material puopulsion unit (8) that matches with material calcining passage (1).
10. magnesian preparation equipment according to claim 6 is characterized in that this magnesian preparation equipment also comprises the material puopulsion unit (8) that matches with material calcining passage (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920114511U CN201390707Y (en) | 2009-02-26 | 2009-02-26 | Magnesium oxide preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920114511U CN201390707Y (en) | 2009-02-26 | 2009-02-26 | Magnesium oxide preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201390707Y true CN201390707Y (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920114511U Expired - Fee Related CN201390707Y (en) | 2009-02-26 | 2009-02-26 | Magnesium oxide preparation device |
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| Country | Link |
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| CN (1) | CN201390707Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781718A (en) * | 2010-02-02 | 2010-07-21 | 河北六隆硬质合金集团有限公司 | Method for extracting metal cobalt and tungsten from scrap hard alloy and special calcining device |
| CN101492257B (en) * | 2009-02-26 | 2012-03-28 | 支亮 | Apparatus and method for producing magnesium oxide |
| CN110590193A (en) * | 2019-11-04 | 2019-12-20 | 建德市泰合新材料有限公司 | High-purity calcium oxide calcining kiln car |
-
2009
- 2009-02-26 CN CN200920114511U patent/CN201390707Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492257B (en) * | 2009-02-26 | 2012-03-28 | 支亮 | Apparatus and method for producing magnesium oxide |
| CN101781718A (en) * | 2010-02-02 | 2010-07-21 | 河北六隆硬质合金集团有限公司 | Method for extracting metal cobalt and tungsten from scrap hard alloy and special calcining device |
| CN110590193A (en) * | 2019-11-04 | 2019-12-20 | 建德市泰合新材料有限公司 | High-purity calcium oxide calcining kiln car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Terasun Air Duct Co., Ltd. Assignor: Zhi Liang Contract record no.: 2011330000836 Denomination of utility model: Apparatus and method for producing magnesium oxide Granted publication date: 20100127 License type: Exclusive License Record date: 20110628 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20110226 |