CN202072604U - Glass cenosphere forming furnace - Google Patents
Glass cenosphere forming furnace Download PDFInfo
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- CN202072604U CN202072604U CN2011201382683U CN201120138268U CN202072604U CN 202072604 U CN202072604 U CN 202072604U CN 2011201382683 U CN2011201382683 U CN 2011201382683U CN 201120138268 U CN201120138268 U CN 201120138268U CN 202072604 U CN202072604 U CN 202072604U
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Abstract
The utility model discloses a glass cenosphere forming furnace. The glass cenosphere forming furnace comprises a high-temperature instantly-expanding section, a quenching section, a thermal insulating section, a normalizing section, a back fire section and a material preselection section which are sequentially arranged from top to bottom, wherein the high-temperature instantly-expanding section comprises a furnace top outer housing; a refractory furnace top with a combustion chamber is arranged in the furnace top outer housing; a first cavity is formed between the refractory furnace top and the furnace top outer housing; a combustion spray nozzle is mounted at the top of the refractory furnace top; a mixed gas inlet is mounted on the combustion spray nozzle; the lower end of the combustion spray nozzle extends into the combustion chamber; a combustion chamber lower cone is arranged in the combustion chamber, and the lower end of the combustion chamber lower cone is communicated with the quenching section; a plurality of gas grid holes are formed on the combustion chamber lower cone, and a second cavity is formed between the combustion chamber lower cone and the furnace top outer housing; and a gas grid gas inlet pipe, a first cold air inlet pipe and a warm air outlet pipe are mounted on the side wall of the furnace top outer housing. The glass cenosphere forming furnace solves the problem of frequent accretion in the production of the conventional cenosphere furnace, and overcomes the defects of low yield and insufficient quality caused by cenosphere bonding in the production of the conventional cenosphere furnace.
Description
Technical field
The utility model belongs to the forming of glass equipment technical field, is specifically related to a kind of Cheng Zhulu that is used for production high strength hollow glass micropearl.
Background technology
The high strength hollow glass micropearl is the nonmetal spherical multifunctional material of a kind of novel inorganic, have that granularity is little, circularity good, characteristics such as light weight, sound insulation, high temperature resistant, wear-resisting, alkaline-resisting intensity height, mechanical property and chemical stability are good, both can be used as the critical materials of matrix material with its good performance, also can be used as the specific function material, all be with a wide range of applications in military affairs such as aerospace, hydrospace detection, oil, chemical industry, civilian and other high-tech areas.
For a long time, how by simple and direct operation, obtaining foam glass microballon product even, good, high yield is a technical barrier.At present, most of cenosphere Cheng Zhulu still adopts the bottom feeding round-robin mode that makes progress, the frit micro mist is blown into the combustion chamber by gas from bottom of furnace body, the less microballon of the back density that expands enters collector in upper of furnace body or bottom, generally believe this Recycle design of charging down, owing to prolonged the swelling heat treatment time, can increase the output of expansion microballon.But practice shows that this mode does not improve output, and has the problem of microballon freezing of a furnace, adhesion.This be because: 1., material enters from the bottom and to cocycle, needs corresponding airflow at a slow speed, undersized particulate takes place floating in bigger air-flow easily.When the high temperature gas flow of combustion gas generation has certain speed, prolonged the residence time of particulate in high temperature gas flow of burning zone below, though in the stop process, may make some particulates expand, but these particulates can be squeezed by the particulate after most of original rapid expansion, more very, particulate can be bonded in freezing of a furnace takes place on the furnace wall; In addition, the prolongation in swelling heat treatment time also makes particulate be in viscous state owing to heated time is long, also is easier to stick to the production unit wall and produces freezing of a furnace, perhaps forms polymkeric substance with other particulate adhesion.2., the back particulate that expands is as being in for a long time under the combustion high temperature environment, the expanding gas of the easy diffusion that comprises itself after the particulate dilatational strain, easily produces and leaks outside, thereby bead particles density is increased.
The utility model content
The purpose of this utility model provides a kind of hollow glass micropearl Cheng Zhulu, solved when existing cenosphere stove is produced and be easy to generate the freezing of a furnace phenomenon, and the bonding output that causes of microballon is not high and the insufficient shortcoming of quality.
The technical scheme that the utility model adopted is, a kind of hollow glass micropearl Cheng Zhulu, comprise from top to bottom and setting gradually, and swollen period of the high temperature wink that inner chamber connects, the quenching section, isolation section, the normalizing section, the tempering section and the section of selecting materials in advance, wherein, swollen period of high temperature wink comprises the furnace roof shell, the inside of furnace roof shell is provided with the infusibility furnace roof that lagging material is made, the inside of infusibility furnace roof is opened downwards and is the combustion chamber, form first cavity between infusibility furnace roof and the furnace roof shell, the top of infusibility furnace roof is equipped with burner noz(zle), be communicated with on the sidewall of burner noz(zle) the gas mixture inlet that is used for charging is installed, the inside in the combustion chamber is stretched in the lower end of burner noz(zle), in the combustion chamber and be positioned at burner noz(zle) below be provided with under the up big and down small combustion chamber and bore, the combustion chamber lower end of awl down is communicated with the section of quenching, have a plurality of gas grid hole on the sidewall that bore down the combustion chamber, and form second cavity under the combustion chamber between awl and the furnace roof shell, the sidewall of furnace roof shell is equipped with gas grid gas inlet pipe, first cold air inlet duct and hot gas outlet duct, gas grid gas inlet pipe is connected with first cavity, and first cold air inlet duct and hot gas outlet duct all are connected with second cavity.
The section of quenching comprises first housing that is connected with the furnace roof shell, be provided with in first housing with the combustion chamber and bore the inner core that the lower end is connected down, form freezing air circulation gap between the inner core and first housing, be connected with second cold air inlet duct on first housing, have a plurality of first ventilating pits on the inner core.
Isolation section comprises second housing, is provided with insulation material layer around the inwall of second housing.
The normalizing section comprises the water jacket of double-sleeve structure, the inner core of water jacket is connected with isolation section, between the urceolus of the inner core of water jacket and water jacket, be connected with cold water inlet pipe and hot water outlet pipe, wherein, the cold water inlet pipe is positioned at the bottom of water jacket, and the hot water outlet pipe is positioned at cold water inlet pipe offside one side's top.
The tempering section comprises the lower sleeve that is connected with the normalizing section, and the bottom of lower sleeve is stretched in the 4th housing, and has a plurality of second ventilating pits between lower sleeve and the 4th housing, a plurality of second ventilating pits all with the intracavity inter-connection of the 4th housing.
The section of selecting materials comprises the taper preselector that is connected with the tempering section in advance, and the sidewall of preselector is connected with the light material outlet, and the bottom of preselector is connected with the coarse fodder outlet by discharger.
The utility model is suitable for flameholding, can reduce exhaust gas emission, and can fast lifting combustion zone working temperature.It adopts swollen technology of high temperature wink, the glass micro mist that contains swelling agent is blown into from furnace roof cover top portion strength by gaseous media, passing through fast in the process of combustion chamber, instantaneous expansion forms has the cancellated cenosphere of porous wall, then enter the section of quenching and carry out quenching spheroidizing shaping, collect at bottom of furnace body through isolation section, normalizing section and tempering section successively then, filter out the product of different size through preselector.
The inside of the hollow glass micropearl of the utility model production is the porous wall reticulated structure, is different from the existing single hollow ball structure of common cenosphere, and this structure can improve the strength property of cenosphere in itself, increases substantially the output of high-strength products; And rate of expansion output height, density is low, and the intensity height has improved the deficiency of present cenosphere furnace accretion stove phenomenon and bonding output that causes of microballon and product quality, can realize the commercial scale production of cenosphere.
Description of drawings
Fig. 1 is the structural representation of a kind of hollow glass micropearl Cheng Zhulu of the utility model;
Wherein, 1. furnace roof shell, 2. infusibility furnace roof, 3. combustion chamber, 4. first cavity, 5. burner noz(zle), 6. gas mixture enters the mouth, 7. gas grid gas inlet pipe, 8. awl under the combustion chamber, 9. gas grid hole, 10. second cavity, 11. first cold air inlet ducts, 12. hot gas outlet duct, 13. inner cores, 14. second cold air inlet ducts, 15. first ventilating pit, 16. second housings, 17. insulation material layers, 18. water jacket, 19. hot water outlet pipes, 20. cold water inlet pipes, 21. lower sleeve, 22. the 4th housings, 23. second ventilating pits, 24. preselector, 25. the light material outlet, 26. dischargers, the outlet of 27. coarse fodders.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, a kind of hollow glass micropearl Cheng Zhulu of the utility model, comprise from top to bottom and setting gradually, and swollen period of the high temperature wink that inner chamber connects, the quenching section, isolation section, the normalizing section, the tempering section and the section of selecting materials in advance, wherein, swollen period of high temperature wink comprises furnace roof shell 1, the inside of furnace roof shell 1 is provided with infusibility furnace roof 2, infusibility furnace roof 2 is made by lagging material, the inside of infusibility furnace roof 2 is opened downwards and is combustion chamber 3, the inwall of the outer wall of infusibility furnace roof 2 and furnace roof shell 1 forms first cavity 4, the top of infusibility furnace roof 2 is equipped with burner noz(zle) 5, be communicated with on the sidewall of burner noz(zle) 5 gas mixture inlet 6 is installed, gas mixture inlet 6 is used for charging, 3 inside is stretched in the combustion chamber in the lower end of burner noz(zle) 5, in combustion chamber 3 and be positioned at burner noz(zle) 5 below be provided with under the combustion chamber and bore 8, combustion chamber awl 8 down is up big and down small, and the combustion chamber lower end of awl 8 down is communicated with the section of quenching, have a plurality of gas grid hole 9 on the sidewall of awl 8 under the combustion chamber, form second cavity 10 under the combustion chamber between the inwall of the outer wall of awl 8 and furnace roof shell 1, the sidewall of furnace roof shell 1 is equipped with gas grid gas inlet pipe 7, first cold air inlet duct 11 and hot gas outlet duct 12, gas grid gas inlet pipe 7 is positioned at the top of furnace roof shell 1 and is connected with first cavity 4, and first cold air inlet duct 11 and hot gas outlet duct 12 are positioned at the bottom of furnace roof shell 1 and all are connected with second cavity 10.
The section of quenching comprises first housing, first housing is connected with furnace roof shell 1, be provided with inner core 13 in first housing, inner core 13 is connected awl 8 lower ends down with the combustion chamber, form freezing air circulation gap between the inner core 13 and first housing, be connected with second cold air inlet duct 14 on first housing, have a plurality of first ventilating pits 15 on the inner core 13.
Isolation section comprises second housing 16, is provided with insulation material layer 17 around the inwall of second housing 16.
The normalizing section comprises the water jacket 18 of double-sleeve structure, the inner core of water jacket 18 is connected with isolation section, between the urceolus of the inner core of water jacket 18 and water jacket 18, be connected with cold water inlet pipe 20 and hot water outlet pipe 19, wherein, cold water inlet pipe 20 is positioned at the bottom of water jacket 18, hot water outlet pipe 19 is positioned at cold water inlet pipe 20 offsides one side's top, under go out configuration on advancing.
The tempering section comprises the lower sleeve 21 that is connected with the normalizing section, the bottom of lower sleeve 21 is stretched in the 4th housing 22, and between lower sleeve 21 and the 4th housing 22, have a plurality of second ventilating pits 23, a plurality of second ventilating pits 23 all with the intracavity inter-connection of the 4th housing 22.
The section of selecting materials comprises the taper preselector 24 that is connected with the tempering section in advance, and the sidewall of preselector 24 is connected with light material outlet 25, and the bottom of preselector 24 is connected with coarse fodder outlet 27 by discharger 26.
The utility model in use, the mode of charging in the employing, the glass micro mist that contains swelling agent is blown into from furnace roof shell 1 top strength by gas mixture inlet 6 by gaseous media because burner noz(zle) 5 is positioned at furnace roof shell 1 top, so flame direction is downward.The glass micro mist is under the promotion of downdraft, and by in the process of combustion chamber 3, the inside of combustion chamber 3 forms reflow zone fast, and glass micro mist instantaneous expansion forms has the cancellated cenosphere of porous wall.Wherein, shorter expansion time t＜0.4 second has avoided the bonding and freezing of a furnace between particulate, help the adjusting of speed temperature and precisely control, the joule heating that can the equilibrium of stabilized glass microballon obtains and expanding, thus reduce the generation of defective microballon, improve bead yield rate, produce the better product of performance.Then entering the section of quenching is shaped through the quenching spheroidizing; isolation section is used to isolate the temperature of quenching between section and the normalizing section; in of the continuation cooling of normalizing section through water jacket 18; water jacket 18 is used for high temp glass microballon and furnace gas slow cooling; in the tempering section; by normal temperature air high temperature high temp glass microballon and furnace gas are continued slow cooling; at last; in the section of selecting materials in advance; glass granules after the expansion can export 25 by light material and extract out; deposit from carry combustion gas secretly by one or more modes again, the coarse particle deposition of the particulate that do not expand and bonding formation is discharged through discharger 26 and coarse fodder outlet 27 in the awl bucket of preselector 24 bottoms.Through test, the bonding initial product of small portion is screened out usually, and the rate of screening out is 1～2% of total initial product weight.
The utility model allows to use raw material more widely, particularly can handle containing the lower particle of remaining finings.The hollow glass micropearl of being produced is applicable to floating body material production of big degree of depth ocean and low pressure easy oil leakage gas field exploration well, the light-weight additive of light weight cement oar and low density drilling fluid.
Claims (6)
1. hollow glass micropearl Cheng Zhulu, it is characterized in that, comprise from top to bottom and setting gradually, and swollen period of the high temperature wink that inner chamber connects, the quenching section, isolation section, the normalizing section, the tempering section and the section of selecting materials in advance, wherein, swollen period of described high temperature wink comprises furnace roof shell (1), the inside of described furnace roof shell (1) is provided with the infusibility furnace roof (2) that lagging material is made, the inside of described infusibility furnace roof (2) is opened downwards and is combustion chamber (3), form first cavity (4) between described infusibility furnace roof (2) and the described furnace roof shell (1), the top of described infusibility furnace roof (2) is equipped with burner noz(zle) (5), be communicated with on the sidewall of described burner noz(zle) (5) the gas mixture inlet (6) that is used for charging is installed, the inside in described combustion chamber (3) is stretched in the lower end of described burner noz(zle) (5), in described combustion chamber (3) and the below that is positioned at described burner noz(zle) (5) be provided with awl (8) under the up big and down small combustion chamber, the described combustion chamber lower end of awl (8) down is communicated with described quenching section, have a plurality of gas grid holes (9) on the sidewall of awl (8) under the described combustion chamber, and described combustion chamber is bored down and is formed second cavity (10) between (8) and the described furnace roof shell (1), the sidewall of described furnace roof shell (1) is equipped with gas grid gas inlet pipe (7), first cold air inlet duct (11) and hot gas outlet duct (12), described gas grid gas inlet pipe (7) is connected with described first cavity (4), and described first cold air inlet duct (11) and hot gas outlet duct (12) all are connected with described second cavity (10).
2. according to the described hollow glass micropearl Cheng Zhulu of claim 1, it is characterized in that, described quenching section comprises first housing that is connected with described furnace roof shell (1), be provided with in described first housing with described combustion chamber and bore the inner core (13) that (8) lower end is connected down, form freezing air circulation gap between described inner core (13) and described first housing, be connected with second cold air inlet duct (14) on described first housing, have a plurality of first ventilating pits (15) on the described inner core (13).
3. according to the described hollow glass micropearl Cheng Zhulu of claim 1, it is characterized in that described isolation section comprises second housing (16), be provided with insulation material layer (17) around the inwall of described second housing (16).
4. according to the described hollow glass micropearl Cheng Zhulu of claim 1, it is characterized in that, described normalizing section comprises the water jacket (18) of double-sleeve structure, the inner core of described water jacket (18) is connected with described isolation section, between the urceolus of the inner core of described water jacket (18) and water jacket (18), be connected with cold water inlet pipe (20) and hot water outlet pipe (19), wherein, described cold water inlet pipe (20) is positioned at the bottom of described water jacket (18), and described hot water outlet pipe (19) is positioned at described cold water inlet pipe (20) offside one side's top.
5. according to the described hollow glass micropearl Cheng Zhulu of claim 1, it is characterized in that, described tempering section comprises the lower sleeve (21) that is connected with described normalizing section, the bottom of described lower sleeve (21) is stretched in the 4th housing (22), and between described lower sleeve (21) and described the 4th housing (22), have a plurality of second ventilating pits (23), described a plurality of second ventilating pits (23) all with the intracavity inter-connection of described the 4th housing (22).
6. according to the described hollow glass micropearl Cheng Zhulu of claim 1, it is characterized in that, the described section of selecting materials in advance comprises the taper preselector (24) that is connected with described tempering section, the sidewall of described preselector (24) is connected with light material outlet (25), and the bottom of described preselector (24) is connected with coarse fodder outlet (27) by discharger (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201382683U CN202072604U (en) | 2011-05-04 | 2011-05-04 | Glass cenosphere forming furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201382683U CN202072604U (en) | 2011-05-04 | 2011-05-04 | Glass cenosphere forming furnace |
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| Publication Number | Publication Date |
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| CN202072604U true CN202072604U (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201382683U Expired - Fee Related CN202072604U (en) | 2011-05-04 | 2011-05-04 | Glass cenosphere forming furnace |
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| CN (1) | CN202072604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684888A (en) * | 2019-10-14 | 2020-01-14 | 郭新红 | Surface modification treatment method for metal material |
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2011
- 2011-05-04 CN CN2011201382683U patent/CN202072604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684888A (en) * | 2019-10-14 | 2020-01-14 | 郭新红 | Surface modification treatment method for metal material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20150504 |
|
| EXPY | Termination of patent right or utility model |