CN102927817B - Calcining device for purifying quartz sand - Google Patents
Calcining device for purifying quartz sand Download PDFInfo
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- CN102927817B CN102927817B CN201210377175.5A CN201210377175A CN102927817B CN 102927817 B CN102927817 B CN 102927817B CN 201210377175 A CN201210377175 A CN 201210377175A CN 102927817 B CN102927817 B CN 102927817B
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- boiler tube
- quartz glass
- quartz sand
- heating element
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Abstract
The invention discloses a calcining device for purifying quartz sand. The calcining device comprises a hearth, wherein a quartz glass furnace tube is arranged in the hearth; the hearth is divided into more than two thermal areas; each thermal area is provided with a temperature control system independently at the periphery of the furnace tube; and the temperature control system comprises a temperature measuring element and a heating element. According to the calcining device, the temperature of each thermal area is controlled independently in a mode of arranging a plurality of thermal areas, so that the heated temperature of the quartz sand in the thermal areas is uniform and stable, and a good effect of purifying the quartz sand is achieved.
Description
Technical field
The present invention relates to a kind of quartz sand treating apparatus, be specifically related to a kind of high-temperature calcination device of purifying quartz sand.
Background technology
In purifying quartz sand process, in order to remove the volatile ingredient in quartz sand, comprise hydroxyl etc., conventionally need to carry out high-temperature calcination to quartz sand.General calciner plant or the roasting sand device using in prior art, the thermograde of hot-zone is very large, its reason is that from the quartz sand of charging aperture inflow hot-zone be cold sand, because quartz sand flows soon, after also having little time to be heated to design temperature or just having arrived design temperature, has just left very soon.Its result must cause the graded that exists temperature to reduce toward charging aperture direction near discharge port end, causes the effective length of hot-zone to reduce, and the heated time of quartz sand shortens, and the volatile impurity composition in quartz sand can not thoroughly be removed.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, provides a kind of and can make hot-zone quartz sand heating temperature equilibrium, stable high-temperature calcination device.
In order to solve the problems of the technologies described above, the invention provides a kind of calciner plant of purifying quartz sand.
The calciner plant of purifying quartz sand of the present invention, comprises a burner hearth, and quartz glass boiler tube is installed in burner hearth, and burner hearth is divided into more than two hot-zone, and each hot-zone is independently equiped with temperature control system in boiler tube periphery respectively.
Preferably, described temperature control system comprises temperature element and heating element heater.
Preferably, described temperature element is thermocouple, and heating element heater is resistive heating element heater.This heating element heater is connected with thyristor regulating depressor, and thyristor regulating depressor is carried voltage by electric control system to heating element heater.
Preferably, described burner hearth is horizontal burner hearth.Compared to vertical furnace chamber, horizontal burner hearth can ensure that quartz sand can not cause hardening because of quartzy phase transformation volumetric expansion even makes boiler tube be split up.
Preferably, described quartz glass boiler tube is provided with charging aperture and discharging opening, and quartz glass boiler tube favours horizontal plane, and feed inlet end is higher than discharge port end, and quartz sand can be migrated to discharge port end naturally by rotation and Action of Gravity Field like this.
Preferably, this device also comprises support and transmission device, and described quartz glass boiler tube is connected with support and transmission device, and the quartz sand in boiler tube is overturn, and is heated more even.
Preferably, described support and transmission device comprise: boiler tube anchor ear, gear rack, roller, gear wheel and tugboat, quartz glass boiler tube is clamped by boiler tube anchor ear, quartz glass boiler tube is arranged in roller and gear wheel, boiler tube anchor ear is fixedly connected with gear wheel with roller by gear rack, roller below is supported by two tugboats, and the plane of rotation of roller plane of rotation and tugboat is tangent; The travelling gear interlock of gear wheel and stepless reducer, realizes transmission.This support and transmission device can be installed in respectively the two ends of quartz glass boiler tube, and wherein one end does not need to install gear wheel.
Compared with prior art, the present invention has following beneficial effect:
The present invention is provided with multiple hot-zones in the burner hearth of calciner plant, independent installing temperature control system in each hot-zone, has avoided that the boiler tube that causes due to unified heating in prior art is unstable to feed inlet end temperature from discharge port end, quartz sand is heated inhomogeneous defect.In the present invention, can pass through the hot-zone temperature stabilization of electric control system controls feed inlet end, can just not enter boiler tube because of cold sand time, the temperature causing reduces, because the temperature control system of now independently installing by this hot-zone is adjusted the voltage on heating element heater automatically, increase its caloric value, and then make quartz sand reach fast the heating temperature of setting.And approaching the hot-zone of discharge port end, the voltage that can automatically adjust on heating element heater by the temperature control system of this hot-zone reduce its caloric value, and then keeps in boiler tube the quartz sand stable and uniform of being heated.
Brief description of the drawings
Fig. 1 is the burner hearth inner structure generalized section of the calciner plant of purifying quartz sand.
Fig. 2 is the partial enlarged drawing of wherein one end of support and transmission device.
Description of reference numerals:
1 burner hearth; 2 quartz glass boiler tubes;
3 heating element heaters; 4 temperature elements;
5 heat-insulation layers; 6 thermal insulation layers;
7 hearth walls; 8 charging apertures;
9 discharging openings; 10 support and transmission device
101 tugboat 102 boiler tube anchor ears
103 gear rack 104 gear wheels
105 roller 106 hot baffles
A the first hot-zone; B the second hot-zone.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described so that those skilled in the art the present invention may be better understood and can be implemented, but illustrated embodiment is not as a limitation of the invention.
Refer to Fig. 1, the calciner plant of purifying quartz sand of the present invention is provided with a burner hearth 1, and quartz glass boiler tube 2 is installed in burner hearth 1.In burner hearth 1, be divided into multiple hot-zones (two or more than two, be shown as the first hot-zone A, the second hot-zone B in Fig. 1), each hot-zone is independently equiped with temperature control system in boiler tube periphery respectively, and temperature control system comprises temperature element 4 and heating element heater 3.Heating element heater is resistive heating element heater, is installed in boiler tube periphery.Heating element heater 3 for example, is connected with thyristor regulating depressor (thyristor voltage regulator), and thyristor regulating depressor is carried voltage by electric control system to heating element heater.
External electrical control system is directly delivered to civil power the resistive heating element heater 3 of delivering to calciner plant hot-zone after thyristor voltage regulation and is heated, and operating temperature is set to 1000 ~ 1400 DEG C.Utilize temperature element 4 thermocouples to carry out thermometric to the hot-zone at its place, in the time detecting that the actual temperature of this hot-zone departs from setting value, can be by temperature control system according to the voltage on the automatic adjusting resistance heating element heater of temperature gap to increase or to reduce its caloric value, thereby the actual temperature that makes this hot-zone with set value identical.Because the temperature control system of different hot-zones is separate, therefore can ensure the interior quartz sand heating temperature equalization stable of boiler tube of each hot-zone.
In horizontal burner hearth, quartz glass boiler tube is connected with support and transmission device 10, controls rotary speed with stepless speed change device, and then the quartz sand in pipe can be overturn in boiler tube, is heated more even.Specifically, referring to Fig. 2, one end of quartz glass boiler tube 2 clamps by left and right boiler tube anchor ear 102, then be fixedly connected with gear wheel 104 with roller 105 by gear rack 103, and be arranged in roller 105 and gear wheel 104, roller 105 belows are supported by two tugboats 101, and the plane of rotation of roller plane of rotation and tugboat is tangent; The travelling gear interlock of gear wheel 104 and stepless reducer, realizes transmission, drives the rotation of boiler tube, and 106 is hot baffle.The other end of quartz glass boiler tube 2 is installed this support and transmission device too, imports driving force into but the other end does not need to install gear wheel, and only need reach the effect of support and passive rotation.
In addition, quartz glass boiler tube favours horizontal plane setting, make one end of charging aperture 8 higher than one end of discharging opening 9, making to manage interior quartz sand slowly moves to discharge port end from feed inlet end by rotation and the self gravitation acquisition power of quartz glass tube, fully be heated, and be easy to collect purified quartz sand from discharging opening.
In the calciner plant of purifying quartz sand of the present invention, in heating element heater 3 peripheries, the thermal insulation layer 5 that refractory material is made is also housed, the heat-insulation layer 6 that ceramic fibre material is made is housed again between thermal insulation layer 5 and hearth wall 7, make thermal source utilization more abundant.
The above embodiment is only the preferred embodiment for absolutely proving that the present invention lifts, and protection scope of the present invention is not limited to this.What those skilled in the art did on basis of the present invention is equal to alternative or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (2)
1. a calciner plant for purifying quartz sand, comprises a burner hearth, and quartz glass boiler tube is installed in burner hearth, it is characterized in that, burner hearth is horizontal, is divided into more than two hot-zone, and each hot-zone is independently equiped with temperature control system in boiler tube periphery respectively; Described temperature control system comprises temperature element and heating element heater; The thermal insulation layer that refractory material is made is also equipped with in heating element heater periphery, and the heat-insulation layer that ceramic fibre material is made is housed again between thermal insulation layer and hearth wall; Described quartz glass boiler tube is provided with charging aperture and discharging opening, and quartz glass boiler tube favours horizontal plane, and feed inlet end is higher than discharge port end; Also comprise the support and the transmission device that drive the rotation of quartz glass boiler tube, described support and transmission device clamping quartz glass boiler tube; Described support and transmission device comprise: boiler tube anchor ear, gear rack, roller, gear wheel and tugboat, wherein, quartz glass boiler tube is clamped by boiler tube anchor ear, quartz glass boiler tube is arranged in roller and gear wheel, boiler tube anchor ear is fixedly connected with gear wheel with roller by gear rack, roller below is supported by two tugboats, and the plane of rotation of roller plane of rotation and tugboat is tangent; The travelling gear interlock of gear wheel and stepless reducer, realizes transmission.
2. the calciner plant of purifying quartz sand according to claim 1, is characterized in that, described temperature element is thermocouple, and heating element heater is resistive heating element heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377175.5A CN102927817B (en) | 2012-10-08 | 2012-10-08 | Calcining device for purifying quartz sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377175.5A CN102927817B (en) | 2012-10-08 | 2012-10-08 | Calcining device for purifying quartz sand |
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| Publication Number | Publication Date |
|---|---|
| CN102927817A CN102927817A (en) | 2013-02-13 |
| CN102927817B true CN102927817B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210377175.5A Active CN102927817B (en) | 2012-10-08 | 2012-10-08 | Calcining device for purifying quartz sand |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880019B (en) * | 2014-02-25 | 2016-03-23 | 连云港市弘扬石英制品有限公司 | Optical fiber outsourcing quartz capillary prefabricated rods quartz sand purification method and calcining apparatus for baking |
| CN107098351A (en) * | 2017-06-19 | 2017-08-29 | 江苏太平洋石英股份有限公司 | A kind of horizontal quartz sand high-temperature gasification purifying plant |
| CN108821293A (en) * | 2018-04-12 | 2018-11-16 | 江苏景泰玻璃有限公司 | A kind of quartz sand purifying calciner plant |
| CN108328920A (en) * | 2018-04-23 | 2018-07-27 | 江苏景泰玻璃有限公司 | A kind of horizontal gasification reaction tube of quartz sand purifying |
| CN114688866A (en) * | 2020-12-28 | 2022-07-01 | 新沂市恒盛石英制品厂 | Calcining processing equipment for purifying quartz sand |
| CN113797870B (en) * | 2021-04-01 | 2022-06-07 | 昆明理工大学 | Open-close type microwave catalytic reaction device |
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| DE4436205C1 (en) * | 1994-09-29 | 1996-01-18 | Ernst Dr Ing Ulrich | Differentiated carbon analyser |
| CN200999205Y (en) * | 2006-12-30 | 2008-01-02 | 陈士斌 | Quartz sand high-heating calcining purification apparatus |
| CN201193205Y (en) * | 2008-02-24 | 2009-02-11 | 陈宝江 | Rotary furnace for producing active carbon |
| CN201335993Y (en) * | 2008-12-15 | 2009-10-28 | 中国电子科技集团公司第四十八研究所 | Precision temperature-control system |
| CN202066355U (en) * | 2011-05-19 | 2011-12-07 | 合肥科晶材料技术有限公司 | Tube furnace with five temperature zones |
| CN202074814U (en) * | 2011-05-19 | 2011-12-14 | 合肥科晶材料技术有限公司 | Tiltable rotary furnace |
| CN202853361U (en) * | 2012-10-08 | 2013-04-03 | 江苏太平洋石英股份有限公司 | Calcination device used for purifying quartz sand |
-
2012
- 2012-10-08 CN CN201210377175.5A patent/CN102927817B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4436205C1 (en) * | 1994-09-29 | 1996-01-18 | Ernst Dr Ing Ulrich | Differentiated carbon analyser |
| CN200999205Y (en) * | 2006-12-30 | 2008-01-02 | 陈士斌 | Quartz sand high-heating calcining purification apparatus |
| CN201193205Y (en) * | 2008-02-24 | 2009-02-11 | 陈宝江 | Rotary furnace for producing active carbon |
| CN201335993Y (en) * | 2008-12-15 | 2009-10-28 | 中国电子科技集团公司第四十八研究所 | Precision temperature-control system |
| CN202066355U (en) * | 2011-05-19 | 2011-12-07 | 合肥科晶材料技术有限公司 | Tube furnace with five temperature zones |
| CN202074814U (en) * | 2011-05-19 | 2011-12-14 | 合肥科晶材料技术有限公司 | Tiltable rotary furnace |
| CN202853361U (en) * | 2012-10-08 | 2013-04-03 | 江苏太平洋石英股份有限公司 | Calcination device used for purifying quartz sand |
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| CN102927817A (en) | 2013-02-13 |
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