CN102927817A - Calcining device for purifying quartz sand - Google Patents
Calcining device for purifying quartz sand Download PDFInfo
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- CN102927817A CN102927817A CN2012103771755A CN201210377175A CN102927817A CN 102927817 A CN102927817 A CN 102927817A CN 2012103771755 A CN2012103771755 A CN 2012103771755A CN 201210377175 A CN201210377175 A CN 201210377175A CN 102927817 A CN102927817 A CN 102927817A
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- boiler tube
- quartz sand
- purifying
- quartz glass
- burner hearth
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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 the purifying quartz sand process, in order to remove the volatile ingredient in the quartz sand, comprise hydroxyl etc., usually need to carry out high-temperature calcination to quartz sand.The calciner plant of normal operation or roasting sand device in the 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, has just left very soon after also having little time to be heated to design temperature or just having arrived design temperature.Its result must cause existing toward the charging aperture direction near discharge port end the graded of temperature reduction, causes the effective length of hot-zone to reduce, and the heated time of quartz sand shortens, and the volatile impurity composition in the 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 balanced, the stable high-temperature calcination device of hot-zone quartz sand heating temperature.
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 the quartz glass boiler tube is installed in the burner hearth, and burner hearth is divided into two above hot-zones, and each hot-zone independently is equiped with temperature control system in the 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 the resistive heating element heater.This heating element heater is connected with the thyristor regulating depressor, and the 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 guarantee that quartz sand can not cause hardening because of quartzy phase transformation volumetric expansion even boiler tube is split up.
Preferably, described quartz glass boiler tube is provided with charging aperture and discharging opening, and the 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 transmission device with support, and the quartz sand in the 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, the quartz glass boiler tube is by the clamping of boiler tube anchor ear, the quartz glass boiler tube is arranged in roller and the gear wheel, the boiler tube anchor ear is fixedly connected with gear wheel with roller by gear rack, the 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 an 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 a plurality of hot-zones in the burner hearth of calciner plant, independent installing temperature control system in each hot-zone has been avoided in the prior art because the boiler tube that unified heating causes is unstable to the feed inlet end temperature from discharge port end, quartz sand is heated inhomogeneous defective.Among the present invention, can be by the hot-zone temperature stabilization of electric control system controls feed inlet end, in the time of can just not entered boiler tube because of cold sand, the temperature that causes reduces, because the temperature control system of independently installing by this hot-zone this moment is adjusted the voltage on the heating element heater automatically, increase its caloric value, and then make quartz sand reach fast the heating temperature of setting.And near the hot-zone of discharge port end, can reduce its caloric value by the voltage that the temperature control system of this hot-zone can be adjusted on the heating element heater automatically, and then keep in the boiler tube quartz sand stable and uniform of being heated.
Description of drawings
Fig. 1 is the burner hearth inner structure generalized section of the calciner plant of purifying quartz sand.
Fig. 2 is the wherein partial enlarged drawing of an 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 tugboats, 102 boiler tube anchor ears
103 gear racks, 104 gear wheels
105 rollers, 106 hot baffles
A the first hot-zone; B the second hot-zone.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments 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.
See also 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 the burner hearth 1.Be divided into a plurality of hot-zones (two or more than two, be shown as the first hot-zone A, the second hot-zone B among Fig. 1) in the burner hearth 1, each hot-zone independently is equiped with temperature control system in the boiler tube periphery respectively, and temperature control system comprises temperature element 4 and heating element heater 3.Heating element heater is the resistive heating element heater, is installed in the boiler tube periphery.Heating element heater 3 is connected with thyristor regulating depressor (for example thyristor voltage regulator), and the thyristor regulating depressor is carried voltage by electric control system to heating element heater.
The external electrical control system is directly delivered to civil power the resistive heating element heater 3 of delivering to the calciner plant hot-zone behind the thyristor voltage regulation and is heated, and operating temperature is set to 1000 ~ 1400 ℃.Utilize temperature element 4 thermocouples that thermometric is carried out in the hot-zone at its place, when the actual temperature that detects 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 increasing 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 guarantee the interior quartz sand heating temperature equalization stable of boiler tube of each hot-zone.
In the horizontal burner hearth, the quartz glass boiler tube is connected with transmission device with support and is connected, and controls rotary speed with stepless speed change device, and then the quartz sand in the pipe can be overturn in boiler tube, is heated more even.Specifically, referring to Fig. 2, one end of quartz glass boiler tube 2 is by left and right sides boiler tube anchor ear 102 clampings, then be fixedly connected with gear wheel 104 with roller 105 by gear rack 103, and be arranged in roller 105 and the 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, does not import driving force into but the other end does not need to install gear wheel, supports and the effect of passive rotation gets final product and only need reach.
In addition, the quartz glass boiler tube favours the horizontal plane setting, make an end of charging aperture 8 be higher than an end of discharging opening 9, the interior quartz sand of pipe is slowly moved 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 housed also, the heat-insulation layer 6 that ceramic fibre material is made is housed again between thermal insulation layer 5 and the hearth wall 7, make the thermal source utilization more abundant.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited to this.Being equal to that those skilled in the art do on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (7)
1. the calciner plant of a purifying quartz sand comprises a burner hearth, and the quartz glass boiler tube is installed in the burner hearth, it is characterized in that, burner hearth is divided into two above hot-zones, and each hot-zone independently is equiped with temperature control system in the boiler tube periphery respectively.
2. the calciner plant of purifying quartz sand according to claim 1 is characterized in that, described temperature control system comprises temperature element and heating element heater.
3. the calciner plant of purifying quartz sand according to claim 2 is characterized in that, described temperature element is thermocouple, and heating element heater is the resistive heating element heater.
4. the calciner plant of purifying quartz sand according to claim 1 and 2 is characterized in that, described burner hearth is horizontal burner hearth.
5. the calciner plant of purifying quartz sand according to claim 1 and 2 is characterized in that, described quartz glass boiler tube is provided with charging aperture and discharging opening, and the quartz glass boiler tube favours horizontal plane, and feed inlet end is higher than discharge port end.
6. the calciner plant of purifying quartz sand according to claim 5 is characterized in that, also comprises support and the transmission device, described support and the transmission device clamping quartz glass boiler tube that drive the rotation of quartz glass boiler tube.
7. the calciner plant of purifying quartz sand according to claim 6, it is characterized in that, described support and transmission device comprise: boiler tube anchor ear, gear rack, roller, gear wheel and tugboat, wherein, the quartz glass boiler tube is by the clamping of boiler tube anchor ear, and the quartz glass boiler tube is arranged in roller and the gear wheel, and the boiler tube anchor ear is fixedly connected with gear wheel with roller by gear rack, the 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.
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 |
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| CN102927817A true CN102927817A (en) | 2013-02-13 |
| CN102927817B 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880019A (en) * | 2014-02-25 | 2014-06-25 | 连云港市弘扬石英制品有限公司 | Purification method of high-purity quartz sand for quartz-coated optical fiber capillary tube preform and calcining and baking device |
| 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 |
| 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 |
| 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 |
| CN113797870A (en) * | 2021-04-01 | 2021-12-17 | 昆明理工大学 | Open-close type microwave catalytic reaction device |
| 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 |
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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 |
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| 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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2012
- 2012-10-08 CN CN201210377175.5A patent/CN102927817B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880019A (en) * | 2014-02-25 | 2014-06-25 | 连云港市弘扬石英制品有限公司 | Purification method of high-purity quartz sand for quartz-coated optical fiber capillary tube preform and calcining and baking device |
| 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 |
| CN113797870A (en) * | 2021-04-01 | 2021-12-17 | 昆明理工大学 | Open-close type microwave catalytic reaction device |
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|---|---|
| CN102927817B (en) | 2014-11-05 |
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