CN101975508B - Pitchstone bulking equipment and method for bulking production of vitrified micro bubbles - Google Patents
Pitchstone bulking equipment and method for bulking production of vitrified micro bubbles Download PDFInfo
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- CN101975508B CN101975508B CN2010102797886A CN201010279788A CN101975508B CN 101975508 B CN101975508 B CN 101975508B CN 2010102797886 A CN2010102797886 A CN 2010102797886A CN 201010279788 A CN201010279788 A CN 201010279788A CN 101975508 B CN101975508 B CN 101975508B
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Abstract
The invention relates to pitchstone bulking equipment and a method for bulking production of vitrified micro bubbles, belonging to an energy-saving fuel gas type vitrified micro bubble bulking furnace and bulking process. The pitchstone bulking equipment comprises a charging hopper, a discharging hopper, an inner and outer sleeved double-layer pipe and an upper-end discharging and bulking furnace, wherein two ends of the inner pipe of the inner and outer sleeved double-layer pipe are respectively communicated with the charging hopper and the top end of the upper-end discharging and bulking furnace, and two ends of the outer pipe of the inner and outer sleeved double-layer pipe are respectively communicated with the top end of the upper-end discharging and bulking furnace and the discharging hopper. In the bulking process, the upward hot gas in the upper-end discharging and bulking furnace is used for carrying over the bulked vitrified micro bubbles from the top end of the upper-end discharging and bulking furnace to enter the inner and outer sleeved double-layer pipe to carry out heat exchange together with the bulked vitrified micro bubbles and the accompanied hot gas. The invention can reduce the heat energy when the bulked vitrified micro bubbles are output, reduce the high temperature resistant equipment at the output end and reduce the high temperature pollution. Thus, the equipment of the invention is energy-saving equipment, and the process of the invention is an energy-saving process.
Description
Technical field
The invention belongs to the technical field, particularly expanded puffing furnace of energy-saving gas formula glass bead and bulking process of producing glass bead.
Background technology
Under the high temperature about 1000 ℃, can be puffed to glass bead with the pitchstone breeze, glass bead is widely used in the heat-insulating material with its extremely low proportion with the good affinity of cement.Chinese patent 200610112647 " manufacture craft of expanded microballon and revolve floating puffing furnace ", 200820076088 " the expanded electric furnaces of energy-saving glass bead ", 200820076086 " the expanded puffing furnaces of energy-saving gas formula glass bead ", 200620127293 " gas heating formula glass bead puffing furnaces " disclose the expanded puffing furnace of various microballons; But the expanded puffing furnace of these microballons all has its common shortcoming: (1) expanded glass bead is directly emitted below puffing furnace; Because expanded glass bead light specific gravity; And the hot gas in the puffing furnace makes progress; Make the decline discharging of expanded glass bead receive the drag effects that hot gas makes progress and the decline discharging speed is slow; So puffing furnace will be with satisfy slowly the descend needs of discharging of high temperature puffing and expanded glass bead with very high height; Cause puffing furnace to want great deal of steel, insulation material, the equipment cost of puffing furnace is very big.Temperature when (2) expanded glass bead drops out below puffing furnace is too high, admit oven-fresh glass bead will use high temperature resistant equipment, and the high-temperature service expense is high; (3) oven-fresh high temperature glass bead will be used the high temperature transmission equipment, and the high temperature glass bead is cooled off in air, and high temperature transmission equipment expense is high; (4) oven-fresh high temperature glass bead cools off the thermal pollution that causes environment in air, makes workman's work under bad environment, even possibly produce the accident of scalding the people; (5) expanded glass bead, unpuffed raw material, foreign material etc. mix mixes output below puffing furnace, poor product quality, and unpuffed raw material is wasted.In a word: prior art is not utilized oven-fresh high temperature glass bead waste heat, and for solving the equipment cost that the waste heat problem rolls up puffing furnace, waste heat is contaminated environment also, and unpuffed raw material also can be sneaked in the expanded glass bead, poor product quality.
Summary of the invention
The purpose of this invention is to provide a kind of waste heat that can will expanded microballon as not getting into the thermal source that puffing furnace pitchstone sand grains raw meal preheating is before used, separable expanded glass bead and unpuffed raw material; Be a kind of waste heat of expanded microballon capable of using, can isolate the Pitchstone expanded equipment of qualified products automatically; And provide can be with expanded high temperature glass bead and the combustion gas flue gas energy-saving expansion method to the preheating of pitchstone sand grains raw meal.
Design of the present invention is: with the High Temperature Gas cigarette in the gas type puffing furnace; The vitreous little Bu Zhu expanded with the very light high temperature of proportion emits above the gas type puffing furnace; Get into simultaneously in the heat exchanger, the pitchstone raw material is carried out preheating with High Temperature Gas cigarette and the expanded glass bead of high temperature.Can make full use of waste heat like this with the expanded glass bead of High Temperature Gas cigarette and high temperature; Can qualified products be discharged from puffing furnace automatically again; Substandard product is stayed and is continued heating while puffing in the puffing furnace, and assurance reaches the qualified product left side article of regulation proportion and could discharge.
Structure of the present invention is:
Pitchstone expanded equipment; Comprise loading hopper and go out funnel; It is characterized in that: bimetallic tube and upper end discharging puffing furnace are nested inside and outside also comprising; Inside and outside the be nested interior pipe two ends of bimetallic tube communicate with loading hopper and discharging puffing furnace top, upper end respectively, inside and outside be nested bimetallic tube the outer tube two ends respectively with discharging puffing furnace top, upper end with go out funnel and communicate.Inside and outside the bimetallic tube that is nested be exactly small one and large one two tubes, the structure that little pipe is nested inside and outside being enclosed within and becoming in the middle of the big pipe.Do not have pitchstone sand grains proportion before expanded greater than expanded glass bead, thus conduit that interior small tubes is used for raw material rosin rock sand grain promptly in pipe, to be used for the conduit of expanded glass bead be outer tube to pipe greatly.When this equipment of use carries out expanded production glass bead with the pitchstone sand grains, can directly put into loading hopper to the pitchstone sand grains, also available air pump pumps into the pitchstone sand grains in the loading hopper through pipeline below.Inside and outside getting into below loading hopper, the pitchstone sand grains is nested the interior pipe of bimetallic tube; The interior pipe of process drops in the upper end discharging puffing furnace and is heated to about 1100 ℃; The pitchstone sand grains is expanded, and it is big that volume becomes, and proportion lightens becomes glass bead; The thermal current that makes progress in the stove is emitted the outer tube on the glass bead of high temperature discharging puffing furnace top from the upper end; Thermal current is that the glass bead of flue gas and high temperature moves to come-up below outer tube, and thermal current is that the pitchstone sand grains during the glass bead of flue gas and high temperature is internally managed in outer tube carries out heat exchange, has reduced the temperature of the glass bead of thermal current and high temperature; Improved the temperature of pitchstone sand grains again, making thermal current is that the waste heat of the glass bead of flue gas and high temperature is utilized.When the glass bead of thermal current and high temperature goes out when going out funnel from outer tube; Its temperature also is higher than air themperature, then can use the whirlwind holder that glass bead is lowered the temperature again, reaches or near after the air themperature; Chilled glass bead goes out from going out the funnel underneath, and is subsequent use with packaging bags.
Inside and outside be nested bimetallic tube and horizontal plane angle be 50 °-70 °.This gradient is fit to the pitchstone sand grains and descends to not having at interior pipe and stop up, and can prolong the time of pitchstone sand grains at interior pipe again, fully with interior tube outside again the glass bead of the thermal current in outer tube and high temperature carry out heat exchange.Be nested inside and outside preferred bimetallic tube and horizontal plane angle is 60 °.
The combustion gas duration and degree of heating of upper end discharging puffing furnace is positioned at the following position of upper end discharging puffing furnace.The air of the following position entering of upper end discharging puffing furnace is heated back one-tenth hot gas to up like this; Up hot gas is not only to the expanded pitchstone sand grains of pitchstone sand grains heating carrying out; Also the glass bead of the expanded one-tenth of band work rises to the top of upper end discharging puffing furnace, gets into outer tube from the top.
The interior empty expansion chamber of upper end discharging puffing furnace is little at the cross section in combustion gas duration and degree of heating zone, and interior empty expansion chamber is big at the cross section in the main expanded zone of centre, and the interior empty expansion chamber regional cross section that is connected with outer tube on the top is little.The interior sky of this upper end discharging puffing furnace structure broad in the middle small in ends helps upwards sending in the outer tube with the glass bead that will be expanded becomes the pitchstone sand grains is expanded.
The method of Pitchstone expanded production glass bead; Using the thermal current that makes progress that brings out in the material puffing furnace takes the top of expanded glass bead discharging puffing furnace from the upper end out of; Be nested inside and outside the entering in the outer tube of bimetallic tube; With the expanded glass bead of high heat and the hot gas of following together, internally the pitchstone raw sand of the interior pipe of the outer bimetallic tube that is nested preheats, and reduces expanded glass bead and the temperature of the hot gas followed; Again to the preheating that heats up of low temperature pitchstone raw sand, in the inside and outside bimetallic tube that is nested the pitchstone raw sand of preheating feed in the upper end discharging puffing furnace and carry out high temperature puffing.Key of the present invention has 2 points: the one, in the inside and outside bimetallic tube that is nested, the pitchstone raw sand is preheated together with expanded glass bead and the hot gas of following; The 2nd, the top output of expanded glass bead discharging puffing furnace from the upper end; With the method for hot gas rising flotation qualified glass bead product with expanded not exclusively with can not separate by expanded foreign material; Substandard product and foreign material are spilt below upper end discharging puffing furnace, and sorting obtains qualified products automatically.Swelling temperature is identical with 1100 ℃ of prior aries.
Advantage of the present invention: the waste heat of expanded microballon capable of using carries out preheating to pitchstone sand grains raw material; Can practice thrift the heat of preheating pitchstone sand grains raw material; Reduce the power consumption of pitchstone sand grains in puffing process; Can reduce the heat energy of expanded glass bead when output again, reduce the high temperature resistant equipment of high temperature glass bead of accepting, reduce the high temperature glass bead and pollute at the high temperature of output to environment at output.So this equipment is energy saving equipment, be energy saving technology.
Owing to have only expanded qualified product to discharge from puffing furnace; Substandard product is stayed and is continued heating while puffing in the puffing furnace; Substandard product and foreign material spill below upper end discharging puffing furnace; Assurance reaches the qualified product left side article of regulation proportion could discharge, so this equipment has automatic sorting to guarantee the function of product quality with technology.
Description of drawings
Fig. 1 is a structural representation of the present invention;
1 is loading hopper, the 2nd among the figure, goes out funnel, the 3rd, inside and outside the bimetallic tube, the 4th that is nested, upper end discharging puffing furnace, the 5th, interior pipe, the 6th, outer tube, the 7th, combustion gas duration and degree of heating, the 8th, interior empty expansion chamber, the 9th, air intake duct, the 10th, whirlwind holder, the 11st, air pump, the 12nd, pipeline.
The specific embodiment
Embodiment 1, Pitchstone expanded equipment
Comprise loading hopper 1, go out funnel 2, inside and outside the parts such as bimetallic tube 3 and upper end discharging puffing furnace 4 that are nested.Their connection order is: the bimetallic tube 3----that is nested inside and outside the bimetallic tube 3----upper end discharging puffing furnace 4----that is nested inside and outside the loading hopper 1----goes out funnel 2.
Inside and outside the bimetallic tube 3 that is nested be to be enclosed within the bigger outer tube of diameter 6 at the less metal inner pipe 5 of diameter to form.
Inside and outside be nested interior pipe 5 two ends of bimetallic tube 3 communicate with loading hopper 1 and upper end discharging puffing furnace 4 tops respectively, inside and outside be nested bimetallic tube 3 outer tube 6 two ends respectively with upper end discharging puffing furnace 4 tops with go out funnel 2 and communicate.Inside and outside be nested bimetallic tube 3 be 60 ° with horizontal plane angle; Be that 60 ° gradient is fit to pitchstone sand grains raw material and descends to not having at interior pipe 5 and stop up just with the ground angle; Can prolong the time of pitchstone sand grains again at interior pipe 5, fully with interior pipe 5 outsides again the glass bead of the thermal current in outer tube 6 and high temperature carry out heat exchange.
The combustion gas duration and degree of heating 7 of upper end discharging puffing furnace 4 and the opening of air intake duct 9 all are positioned at the following position of upper end discharging puffing furnace 4.The air of the following position entering of upper end discharging puffing furnace 4 is become hot gas to up by combustion gas heating back like this; Up hot gas is not only to the expanded pitchstone sand grains of pitchstone sand grains heating carrying out; Also the glass bead of the expanded one-tenth of band work rises to the top of upper end discharging puffing furnace 4, gets into outer tube 6 from the top.
The interior empty expansion chamber 8 of upper end discharging puffing furnace 4 is little at the cross section in combustion gas duration and degree of heating 7 zones, and interior empty expansion chamber 8 is big at the cross section in the main expanded zone of centre, and the interior empty expansion chamber 8 regional cross section that is connected with outer tube 6 on the top is little.The interior sky of this upper end discharging puffing furnace 4 structure broad in the middle small in ends helps upwards sending in the outer tube 6 with the glass bead that will be expanded becomes the pitchstone sand grains is expanded.
When this equipment of use carries out expanded production glass bead with the pitchstone sand grains; Be average fineness that 50--100 purpose pitchstone sand grains is put into loading hopper 1 directly; Inside and outside getting into below loading hopper 1, the pitchstone sand grains is nested the interior pipe 5 of bimetallic tube 3; Drop in the upper end discharging puffing furnace 4 through the interior pipe 5 on slope and to be heated to about 1100 ℃; The pitchstone sand grains is expanded, and it is big that volume becomes, and proportion lightens becomes glass bead in stove; The thermal current that is made progress is emitted the outer tube 6 on the glass bead of high temperature discharging puffing furnace 4 tops from the upper end; Thermal current is that the glass bead of flue gas and high temperature moves to come-up below outer tube 6, and thermal current is that the pitchstone sand grains that the glass bead of flue gas and high temperature is internally managed in 5 in outer tube 6 carries out heat exchange, from outer tube 6, is released to out funnel 2 when making the 700 ℃ of temperature of glass bead reduction about 1100 ℃; Simultaneously the temperature of pitchstone sand grains when getting into upper end discharging puffing furnace 4 also rises and improves about 400 ℃, and making thermal current is that the waste heat of the glass bead of flue gas and high temperature is utilized.When the glass bead of thermal current and high temperature goes out when going out funnel 2 from outer tube 6; Its temperature also is higher than air themperature; Then can use 10 pairs of glass beads of whirlwind holder to lower the temperature again; Reach or near after the air themperature, chilled glass bead is emitted below going out funnel 2, and is subsequent use with packaging bags.
Embodiment 2, bring the Pitchstone expanded equipment of material conveying device into
The parts of equipment and primary structure are same as embodiment 1, inside and outside be nested bimetallic tube 3 be 50 ° with horizontal plane angle, just be 50 ° gradient with the ground angle, suitable average fineness is that 100 purpose pitchstone sand grains are put into loading hopper 1 normal speed.
Pump into the pitchstone sand grains in the loading hopper 1 through pipeline 12 on ground with air pump 11.
Embodiment 3, another brings the Pitchstone expanded equipment of material conveying device into
The parts of equipment and primary structure are same as embodiment 2, inside and outside be nested bimetallic tube 3 be 70 ° with horizontal plane angle, just be 70 ° gradient with the ground angle, suitable average fineness is that 50 purpose pitchstone sand grains are put into loading hopper 1 normal speed.
The method of embodiment 4, Pitchstone expanded production glass bead
With inside and outside the be nested hot replace tubes of bimetallic tube 3 be connected on the mouth on upper end discharging puffing furnace 4 tops; The pitchstone raw sand through inside and outside the be nested interior pipe 5 of bimetallic tube 3 get in the upper end discharging puffing furnaces 4; The thermal current that makes progress in the upper end discharging puffing furnace 4 is taken the top of expanded glass bead discharging puffing furnace 4 from the upper end out of; Be nested inside and outside the entering in the outer tube 6 of bimetallic tube 3; With the expanded glass bead of high heat and the hot gas of following together, internally the pitchstone raw sand of the interior pipe 5 of the outer bimetallic tube 3 that is nested preheats, and reduces expanded glass bead and the temperature of the hot gas followed; Again to the preheating that heats up of low temperature pitchstone raw sand, in the inside and outside bimetallic tube 3 that is nested the pitchstone raw sand of preheating feed in the upper end discharging puffing furnace 4 and carry out high temperature puffing.Key of the present invention has 2 points: the one, in the inside and outside bimetallic tube 3 that is nested, the pitchstone raw sand is preheated together with expanded glass bead and the hot gas of following; The 2nd, the top output of expanded glass bead discharging puffing furnace 4 from the upper end; With the method for hot gas rising flotation qualified glass bead product with expanded not exclusively with can not separate by expanded foreign material; Substandard product and foreign material are spilt below upper end discharging puffing furnace 4, and sorting obtains qualified products automatically.Swelling temperature is identical with 1100 ℃ of prior aries.
Claims (6)
1. Pitchstone expanded equipment; Comprise loading hopper (1) and go out funnel (2); It is characterized in that: bimetallic tube (3) and upper end discharging puffing furnace (4) are nested inside and outside also comprising; Inside and outside be nested interior pipe (5) two ends of bimetallic tube (3) communicate with loading hopper (1) and upper end discharging puffing furnace (4) top respectively, inside and outside be nested bimetallic tube (3) outer tube (6) two ends respectively with upper end discharging puffing furnace (4) top with go out funnel (2) and communicate.
2. Pitchstone expanded equipment according to claim 1 is characterized in that: inside and outside be nested bimetallic tube (3) and horizontal plane angle be 50 °-70 °.
3. Pitchstone expanded equipment according to claim 2 is characterized in that: inside and outside be nested bimetallic tube (3) and horizontal plane angle be 60 °.
4. Pitchstone expanded equipment according to claim 1 is characterized in that: the combustion gas duration and degree of heating (7) of upper end discharging puffing furnace (4) is positioned at the following position of upper end discharging puffing furnace (4).
5. Pitchstone expanded equipment according to claim 4; It is characterized in that: the interior empty expansion chamber (8) of upper end discharging puffing furnace (4) is little at the cross section in combustion gas duration and degree of heating (7) zone; In empty expansion chamber (8) big at the cross section in the main expanded zone of centre, interior empty expansion chamber (8) the regional cross section that is connected with outer tube (6) on the top is little.
6. carry out the method for Pitchstone expanded production glass bead with claim 1 or 2 or 3 or 4 or 5 described Pitchstone expanded equipment; Using the thermal current that makes progress that brings out in the material puffing furnace (4) takes the top of expanded glass bead discharging puffing furnace (4) from the upper end out of; Be nested inside and outside the entering in the outer tube (6) of bimetallic tube (3); The hot gas of using the expanded glass bead of high heat and following together; Internally the pitchstone raw sand of the interior pipe (5) of the outer bimetallic tube (3) that is nested preheats; Reduce the temperature of expanded glass bead and the hot gas followed, again to the preheating that heats up of low temperature pitchstone raw sand, carrying out high temperature puffing in the discharging puffing furnace (4) on the pitchstone raw sand of preheating has fed in the inside and outside bimetallic tube that is nested (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102797886A CN101975508B (en) | 2009-12-09 | 2010-09-05 | Pitchstone bulking equipment and method for bulking production of vitrified micro bubbles |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216653.2 | 2009-12-09 | ||
| CN200910216653 | 2009-12-09 | ||
| CN2010102797886A CN101975508B (en) | 2009-12-09 | 2010-09-05 | Pitchstone bulking equipment and method for bulking production of vitrified micro bubbles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975508A CN101975508A (en) | 2011-02-16 |
| CN101975508B true CN101975508B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102797886A Expired - Fee Related CN101975508B (en) | 2009-12-09 | 2010-09-05 | Pitchstone bulking equipment and method for bulking production of vitrified micro bubbles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU203668U1 (en) * | 2020-08-21 | 2021-04-15 | Биндер + Ко АГ | DEVICE FOR MANUFACTURING OF MOLDED DUST |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265194B (en) * | 2013-06-07 | 2014-08-13 | 山东理工大学 | Electric heating tube type air-aspiration vertical drop mineral closed hole expanded micro-bead equipment |
| AT15001U1 (en) * | 2015-06-03 | 2016-10-15 | Binder + Co Ag | METHOD AND DEVICE FOR PRODUCING A BLOWN GRANULATE |
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- 2010-09-05 CN CN2010102797886A patent/CN101975508B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| DE2318005A1 (en) * | 1973-04-10 | 1974-10-31 | Clarc S R L Soc | Continuous prodn. of expanded clay - by drying in an outer layer of a rotary kiln followed by firing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU203668U1 (en) * | 2020-08-21 | 2021-04-15 | Биндер + Ко АГ | DEVICE FOR MANUFACTURING OF MOLDED DUST |
| US11859905B2 (en) | 2020-08-21 | 2024-01-02 | Omya International Ag | Device for producing expanded granulated material |
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| Publication number | Publication date |
|---|---|
| CN101975508A (en) | 2011-02-16 |
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