CN202063839U - Expansion furnace for hollow glass microspheres - Google Patents
Expansion furnace for hollow glass microspheres Download PDFInfo
- Publication number
- CN202063839U CN202063839U CN2011201552326U CN201120155232U CN202063839U CN 202063839 U CN202063839 U CN 202063839U CN 2011201552326 U CN2011201552326 U CN 2011201552326U CN 201120155232 U CN201120155232 U CN 201120155232U CN 202063839 U CN202063839 U CN 202063839U
- Authority
- CN
- China
- Prior art keywords
- hollow glass
- expansion
- heater
- glass micropearl
- brick
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model relates to an expansion furnace for hollow glass microspheres, which comprises a gas heating expansion device, an electrothermal heat-insulation tempering device and a collecting and cooling device. The gas heating expansion device is arranged on the upper portion of an expansion furnace body, raw powder is brought into a combustion device by combustion supporting air. The electrothermal heat-insulation tempering device is arranged below the gas heating expansion device, one or multiple temperature control areas are formed by electric heating elements, and the diameter of a combustion chamber of the electrothermal heat-insulation tempering device is larger than that of the gas heating expansion area. A collection hopper and a cooling device form a cooling area arranged below the electrothermal heat-insulation tempering area. By controlling expansion temperature, heat insulation temperature and time of the furnace body, density and surface states of hollow glass microspheres are adjusted. The expansion furnace is used for preparing high-performance hollow glass microspheres with different functions.
Description
Technical field
The utility model relates to the equipment of producing light inorganic material, specifically, the present invention relates to the hollow glass micropearl expansion furnace, belongs to field of novel.
Background technology
Hollow glass micropearl is to have characteristics such as density is low, thermal conductivity is low, chemical stability is good, sound insulation is good, and utilization is widely arranged in fields such as building materials, chemical industry, agricultural, oil.Its preparation principle is that the material powder that contains whipping agent is subjected to thermal softening in hot environment, while whipping agent expanded by heating, and quick cooling obtains having the glass microballon of hollow structure then.
The expansion furnace of hollow glass micropearl all is to adopt combustion gas as the heating thermal source at present, and powder is heated to high temperature rapidly by fuel gas buring and forms single hollow structure, and cooling fast avoids the low hollow glass micropearl of viscosity in body of heater inner bag surface adhesion then.But because the powder molding time is short, almost do not have soaking time, can not control the density of product, and form very big thermal stresses, seriously reduced the ultimate compression strength of product, be difficult to obtain high performance hollow glass micropearl on the surface by the temperature adjustment.
The utility model content
It is single that the utility model is intended to solve above-mentioned hollow glass micropearl expansion furnace type of heating, can not control the density of product by the temperature adjustment, the problem that the ultimate compression strength of product is low, a kind of hollow glass micropearl expansion furnace is provided, can adjust the density of product by temperature, prepare high performance hollow glass micropearl.
To achieve these goals, concrete technical scheme of the present utility model is as follows:
The hollow glass micropearl expansion furnace comprises body of heater, and the combustion gas that described body of heater is divided into top adds two parts of electrical heat tracing modifying device of thermal expansion equipment and bottom, and the body of heater below is for collecting refrigerating unit; Body of heater is followed successively by thermal insulation layer, inorganic fire-resistant inner bag from outside to inside; Be provided with an electric heating element in the inorganic fire-resistant wall of inner container in the described electrical heat tracing modifying device, stainless steel inner container is housed on the inwall, form one section or a few segmentation temperature-controlled area; Combustion gas adds thermal expansion equipment and the electrical heat tracing modifying device is hollow and is connected, and the hollow space that combustion gas adds in the thermal expansion equipment is provided with burner; Gas line and combustion-aid air pipe enter outside body of heater, and their end connects burner simultaneously.
Above-mentioned inorganic fire-resistant inner bag adopts clay brick, high alumina brick, silica brick, magnesia brick, magnesia carbon brick, magnesia-alumina-carbon brick, magnesia alumina brick or magnesia chrome brick to make.
Above-mentioned an electric heating element is resistive band, resistance wire, Globar or Si-Mo rod.
Above-mentioned resistive band is nichrome resistance band, nickel chromium iron resistive band or siderochrome aluminium resistive band.
Hollow space diameter in the above-mentioned electrical heat tracing modifying device adds hollow space diameter in the thermal expansion equipment greater than combustion gas.
Above-mentioned collection refrigerating unit is made up of aggregate bin and at least one cooling air import of being connected with the aggregate bin side.
Hollow glass micropearl expansion furnace in the utility model is the low inorganic lightweight material powder with single hollow structure of production density.
Material powder is sent into burner by swiftly flowing combustion air, and disperse is distributed in combustion gas and adds in the thermal expansion equipment and the thermally equivalent fusion, and the whipping agent of powder inside expands and forms single hollow structure under high temperature action.Powder after the expansion, is adjusted density, the condition of surface of hollow glass micropearl, thereby is obtained high performance hollow glass micropearl by control holding temperature and time with being advanced into the electrical heat tracing modifying device under the air-flow.
Useful technique effect:
1, in whole body of heater, forms negative pressure by collecting refrigerating unit, make the hollow glass micropearl after the moulding vertically descending, and the hollow space diameter in the electrical heat tracing modifying device adds hollow space diameter in the thermal expansion equipment greater than combustion gas, avoid the phenomenon of the sticking wall of powder, remedied the deficiency that adopts the single source expansion furnace.
2, this expansion furnace has the advantage that the temperature setting range is big, temperature control is accurate, powder does not glue wall, can produce hollow glass micropearl with plurality of raw materials such as glass powder, perlite, black credit rock, pitchstone, volcanic ash, diatomite, sodium silicate gel powders.By expansion temperature, holding temperature and the time of control body of heater, adjust the density and the condition of surface of hollow glass micropearl, the high-performance hollow glass micropearl of preparation various uses.
Description of drawings
Fig. 1 is a hollow glass micropearl expansion furnace structural representation
Fig. 2 is an A-A sectional view among Fig. 1
Fig. 3 is a B-B sectional view among Fig. 1
Among the figure, 1 is that body of heater, 2 is that thermal insulation layer, 3 is that inorganic fire-resistant inner bag, 4 is that burner, 5 is that gas line, 6 is that combustion-aid air pipe, 7 is that stainless steel inner container, 8 is that an electric heating element, 9 is that aggregate bin, 10 is the cooling air import.
Embodiment
The selection of an electric heating element:
The hollow glass micropearl expansion furnace comprises body of heater 1, and the combustion gas that described body of heater 1 is divided into top adds two parts of electrical heat tracing modifying device of thermal expansion equipment and bottom, and body of heater 1 below is for collecting refrigerating unit; Body of heater 1 is followed successively by thermal insulation layer 2, inorganic fire-resistant inner bag 3 from outside to inside; Be provided with an electric heating element 8 in inorganic fire-resistant inner bag 3 walls in the described electrical heat tracing modifying device, stainless steel inner container 7 is housed on the inwall, form one section or a few segmentation temperature-controlled area; Combustion gas adds thermal expansion equipment and the electrical heat tracing modifying device is hollow and is connected, and the hollow space that combustion gas adds in the thermal expansion equipment is provided with burner 4; Gas line 5 and combustion-aid air pipe 6 enter outside body of heater, and their end connects burner 4 simultaneously.
Above-mentioned an electric heating element 8 is resistive band, resistance wire, Globar or Si-Mo rod.
Above-mentioned resistive band is nichrome resistance band, nickel chromium iron resistive band or siderochrome aluminium resistive band.
The hollow glass micropearl expansion furnace comprises body of heater 1, and the combustion gas that described body of heater 1 is divided into top adds two parts of electrical heat tracing modifying device of thermal expansion equipment and bottom, and body of heater 1 below is for collecting refrigerating unit; Body of heater 1 is followed successively by thermal insulation layer 2, inorganic fire-resistant inner bag 3 from outside to inside; Be provided with an electric heating element 8 in inorganic fire-resistant inner bag 3 walls in the described electrical heat tracing modifying device, form one section or a few segmentation temperature-controlled area; Combustion gas adds thermal expansion equipment and the electrical heat tracing modifying device is hollow and is connected, and the hollow space that combustion gas adds in the thermal expansion equipment is provided with burner 4; Gas line 5 and combustion-aid air pipe 6 enter outside body of heater, and their end connects burner 4 simultaneously.
Hollow space diameter in the above-mentioned electrical heat tracing modifying device adds hollow space diameter in the thermal expansion equipment greater than combustion gas.
The benefit of doing like this is to prevent that the powder that swing that powder falls causes from adhering on the wall of inner container.
The hollow glass micropearl expansion furnace comprises body of heater 1, and the combustion gas that described body of heater 1 is divided into top adds two parts of electrical heat tracing modifying device of thermal expansion equipment and bottom, and body of heater 1 below is for collecting refrigerating unit; Body of heater 1 is followed successively by thermal insulation layer 2, inorganic fire-resistant inner bag 3 from outside to inside; Be provided with an electric heating element 8 in inorganic fire-resistant inner bag 3 walls in the described electrical heat tracing modifying device, form one section or a few segmentation temperature-controlled area; Combustion gas adds thermal expansion equipment and the electrical heat tracing modifying device is hollow and is connected, and the hollow space that combustion gas adds in the thermal expansion equipment is provided with burner 4; Gas line 5 and combustion-aid air pipe 6 enter outside body of heater, and their end connects burner 4 simultaneously.
Above-mentioned collection refrigerating unit is made up of aggregate bin 9 and the cooling air import 10 that is connected with the aggregate bin side.
Do like this and can adjust air quantity according to the desired product performance.
Utilize expansion furnace of the present utility model to prepare the technology of hollow glass micropearl:
As shown in Figure 1, powder enters combustion-aid air pipe 6 through powder feeder; Combustion air enters combustion-aid air pipe 6 through blower fan, and powder is sent into burner 4 in the expansion furnace.
Powder enters the high temperature expansion gear from the burner 4 on body of heater 1 top, expanded by heating forms single hollow structure, and along with being advanced into the electrical heat tracing modifying device under the high temperature gas flow, by control expansion temperature, insulation refining temperature and time, adjust the structure of hollow glass micropearl, obtain the high-performance hollow glass micropearl of various density.
The hollow glass micropearl that obtains enters aggregate bin 9, with the cold wind mixing cooling forming that enters from cooling air import 10.
Claims (6)
1. the hollow glass micropearl expansion furnace comprises body of heater (1), it is characterized in that: the combustion gas that described body of heater (1) is divided into top adds two parts of electrical heat tracing modifying device of thermal expansion equipment and bottom, and body of heater (1) below is for collecting refrigerating unit; Body of heater (1) is followed successively by thermal insulation layer (2), inorganic fire-resistant inner bag (3) from outside to inside; Be provided with an electric heating element (8) in inorganic fire-resistant inner bag (3) wall in the described electrical heat tracing modifying device, stainless steel inner container (7) is housed on the inwall, form one section or a few segmentation temperature-controlled area; Combustion gas adds thermal expansion equipment and the electrical heat tracing modifying device is hollow and is connected, and the hollow space that combustion gas adds in the thermal expansion equipment is provided with burner (4); Gas line (5) and combustion-aid air pipe (6) enter outside body of heater (1), and their end connects burner (4) simultaneously.
2. hollow glass micropearl expansion furnace according to claim 1 is characterized in that: described inorganic fire-resistant inner bag (3) adopts clay brick, high alumina brick, silica brick, magnesia brick, magnesia carbon brick, magnesia-alumina-carbon brick, magnesia alumina brick or magnesia chrome brick to make.
3. hollow glass micropearl expansion furnace according to claim 1 is characterized in that: described an electric heating element (8) is resistive band, resistance wire, Globar or Si-Mo rod.
4. hollow glass micropearl expansion furnace according to claim 3 is characterized in that: described resistive band is nichrome resistance band, nickel chromium iron resistive band or siderochrome aluminium resistive band.
5. hollow glass micropearl expansion furnace according to claim 1 is characterized in that: the hollow space diameter in the described electrical heat tracing modifying device adds hollow space diameter in the thermal expansion equipment greater than combustion gas.
6. hollow glass micropearl expansion furnace according to claim 1 is characterized in that: described collection refrigerating unit is made up of aggregate bin (9) and at least one cooling air import (10) of being connected with aggregate bin (9) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201552326U CN202063839U (en) | 2011-05-16 | 2011-05-16 | Expansion furnace for hollow glass microspheres |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201552326U CN202063839U (en) | 2011-05-16 | 2011-05-16 | Expansion furnace for hollow glass microspheres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202063839U true CN202063839U (en) | 2011-12-07 |
Family
ID=45057708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201552326U Expired - Lifetime CN202063839U (en) | 2011-05-16 | 2011-05-16 | Expansion furnace for hollow glass microspheres |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202063839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261658A (en) * | 2014-09-24 | 2015-01-07 | 河北省沙河玻璃技术研究院 | Heating furnace for drawing flexible glass by virtue of secondary melting process |
| CN104310761A (en) * | 2014-10-30 | 2015-01-28 | 中国建材国际工程集团有限公司 | Method for foaming and nodulizing hollow glass microspheres under high negative pressure by utilizing flame |
-
2011
- 2011-05-16 CN CN2011201552326U patent/CN202063839U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261658A (en) * | 2014-09-24 | 2015-01-07 | 河北省沙河玻璃技术研究院 | Heating furnace for drawing flexible glass by virtue of secondary melting process |
| CN104310761A (en) * | 2014-10-30 | 2015-01-28 | 中国建材国际工程集团有限公司 | Method for foaming and nodulizing hollow glass microspheres under high negative pressure by utilizing flame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018006835A1 (en) | High temperature-resistant light-weight thermal-insulating material having duel porous structure and preparation method therefor | |
| CN102718547A (en) | Foamed ceramic material and preparation method thereof | |
| CN202063839U (en) | Expansion furnace for hollow glass microspheres | |
| CN101755183B (en) | Shaft furnace suitable for thermally expanding particles of a bulk material | |
| CN208059546U (en) | The box atmosphere roller furnace of ternary | |
| CN103570328B (en) | The method of the architecture exterior wall insulating materials that a kind of combined techniques manufactures | |
| CN201709294U (en) | Drying device for preparing noodles | |
| CN102219357A (en) | Production process and equipment for hollow glass microbeads | |
| CN102992581A (en) | Large thermal power combination tank furnace for producing basalt continuous fibers | |
| CN204848629U (en) | Multi -temperature -zone heating continuous smelting stove | |
| CN208949130U (en) | A kind of quartz glass plate continuous induction melting furnace of homogeneous heating | |
| CN1328107A (en) | Composite inorganic salt/ceramic-base heat-accumulating material and its preparing process | |
| CN201497328U (en) | Novel resistance band expansion furnace for vitrified small balls | |
| CN102617020B (en) | Process for producing foam glass by using natural gas as fuel and roller kiln used by same | |
| CN108048044A (en) | Inorganic salts-ceramic base thermal energy storage material and preparation method thereof | |
| CN204574785U (en) | Flowing atmosphere thermal shock sintering resistance furnace | |
| CN201148400Y (en) | Energy-saving vitrified micro-bead expansion swelling electric stove | |
| CN201828170U (en) | Heat exchange internal-external sleeve pipe for feed and discharge of pitchstone vitrifying and expanding furnace | |
| CN206264111U (en) | A kind of zirconia-corundum refractory brick foamed bricks casting die | |
| CN101559476A (en) | Cylindrical insulated feeder | |
| CN104058760B (en) | A kind of method of synthetic drift pearl | |
| CN201503201U (en) | Vertical vermiculite electric expansion furnace | |
| CN102357945A (en) | Molding mold for glass fiber reinforced plastic grate | |
| CN202046996U (en) | Compressed air heating and jet flow mechanism | |
| CN106518139B (en) | A kind of preparation method of insulating fire brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIAHUA SPECIAL CEMENT CO., LTD. Free format text: FORMER NAME: SICHUAN JIAHUA ENTERPRISE (GROUP) CORP., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 614003 Ma'anshan City, Sichuan Province, No. nine Feng Road, No. 2, Patentee after: Jia Hua special cement incorporated company Address before: 614003 Ma'anshan City, Sichuan Province, No. nine Feng Road, No. 2, Patentee before: Sichuan Jiahua Enterprise (Group) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |