WO2001068537A1 - Dispositif a conduit chauffant servant a fabriquer de la laine de roche - Google Patents

Dispositif a conduit chauffant servant a fabriquer de la laine de roche Download PDF

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Publication number
WO2001068537A1
WO2001068537A1 PCT/CN2001/000320 CN0100320W WO0168537A1 WO 2001068537 A1 WO2001068537 A1 WO 2001068537A1 CN 0100320 W CN0100320 W CN 0100320W WO 0168537 A1 WO0168537 A1 WO 0168537A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
trough
plate
electrically heated
slot
Prior art date
Application number
PCT/CN2001/000320
Other languages
English (en)
Chinese (zh)
Inventor
Shanmao Zhao
Zhao Zhang
Dazhuang Xiao
Original Assignee
Shanmao Zhao
Zhao Zhang
Dazhuang Xiao
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanmao Zhao, Zhao Zhang, Dazhuang Xiao filed Critical Shanmao Zhao
Priority to AU2001281462A priority Critical patent/AU2001281462A1/en
Publication of WO2001068537A1 publication Critical patent/WO2001068537A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
    • C03B37/05—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor by projecting molten glass on a rotating body having no radial orifices
    • C03B37/055—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor by projecting molten glass on a rotating body having no radial orifices by projecting onto and spinning off the outer surface of the rotating body
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/09—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates electrically heated
    • C03B37/091—Indirect-resistance heating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/09—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates electrically heated
    • C03B37/092—Direct-resistance heating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
    • C03B5/03—Tank furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/033—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
    • C03B5/0332—Tank furnaces

Definitions

  • the invention relates to a pretreatment device for manufacturing rock wool fibers from glass slurry discharged from a liquid slag discharge boiler, and in particular to an electric heating diversion tank device for manufacturing rock wool fibers.
  • the molten glass slurry discharged from the liquid slagging boiler leaves the combustion chamber to form a stream and the outflow temperature is greater than At 1700 ° C, the flow distance can reach the centrifugal roller of the centrifugal machine for making rock wool fiber with a flow distance of no more than 1.5 meters; 2. Make AI 2 O 3 15%, Fe 2 O 3 ⁇ 1.5%, 150 (TC Viscosity ⁇ ⁇ 5 poise.
  • the current boiler can only discharge glass slurry due to negative pressure, and the temperature can only reach about 1550 ° F, and the stream must fall vertically more than 1.5 meters before flowing to the centrifuge roller; the discharged glass slurry
  • the content of AII 2 O 3 and Fe 2 O 3 is often too high to meet the requirements, and it is difficult to achieve the technical conditions for manufacturing glass wool slurry of rock wool fibers.
  • the prior art uses a heating diversion tank, although the stream temperature is increased, However, because the equipment is easily damaged, the operating cycle is short, and it is inconvenient to operate and maintain, which results in high cost and unsafeness.
  • An object of the present invention is to overcome the shortcomings of the prior art, and to provide an electric heating diversion tank device for manufacturing rock wool fibers, including:
  • the trough body includes a feeding opening, a guide groove placed on an upper part of one end of the trough body, and a discharge opening placed on a lower part of the other end of the trough body;
  • the moving mechanism includes a device for horizontally moving the tank body and a device for rotating the tank body;
  • the heating mechanism includes a plurality of electrodes located in the tank body and a plurality of heating elements placed on the top of the tank body;
  • a cooling mechanism is used for cooling the bracket and the electrode.
  • An electric heating diversion trough device for manufacturing rock wool fibers comprising-a trough body, including a feed inlet placed at an upper part of one end of the trough body, a guide trough, and a discharge outlet placed at a lower part of the other end of the trough body;
  • the moving mechanism includes a device for horizontally moving the tank body and a device for rotating the tank body;
  • the heating mechanism includes a plurality of electrodes located in the tank body and a plurality of heating elements placed on the top of the tank body;
  • the guide slot includes a slot pool, a slot cavity, and a removable slot top.
  • the tank is made of corrosion-resistant refractory material, and can be made of pool walls of various shapes.
  • One of the longitudinal side walls has a plurality of electrode penetration holes. Observation holes are provided on both end walls of the slot cavity, and can be replaced by observation hole peephole bricks.
  • the slot top has a heating element insertion hole.
  • the outlet of the trough body includes a spout groove and an outlet shaft extending from the trough body. The spout groove may be embedded in the outlet end wall of the tank.
  • the flow orifice groove is selected from the group consisting of iridium, ruthenium, Made of rhodium precious metals.
  • the orifice slot body includes an inner end plate and an orifice slot, the inner end of the orifice slot is fixedly connected to the inner end plate, and the inclination angle of the orifice slot from the inside to the outside.
  • the cross-section of the orifice is selected from V-shape and U-shape.
  • the thickness of the groove plate is thicker and thinner.
  • the exposed air part is covered and isolated by refractory material and / or platinum and rhodium sheet.
  • the inner end plate and the orifice The plate at the slot connection is thicker and thinner.
  • the electrode includes 2-3 metal molybdenum electrodes and a slot body.
  • the metal molybdenum electrode is selected from a rod type and a rod-plate mixed type, wherein the rod-plate mixed type includes a molybdenum rod with a slotted opening and an unequal-thickness molybdenum plate sandwiched between the slotted opening.
  • the molybdenum plate is selected from an inverted trapezoid, a triangle, and a rectangle.
  • the heating element of the heating system is selected from heating elements such as molybdenum disilicide, silicon carbide, and zirconia.
  • the bracket of the trough body is made of a hollow steel structure to allow cooling water to pass through.
  • the cooling of the metal molybdenum electrode is achieved by forming an independent one-in-one-out cooling path for each molybdenum electrode, and the cooling of the convection slot body is a single-in and one-out cooling path.
  • the device for rotating the trough body includes a horizontally placed thrust bearing, the upper part of which is a support tray supporting the bracket and the trough body, and the lower part is a support tray bridge plate, which is supported by a suspension spring frame or hung on a bearing place.
  • the electric heating diversion tank device is described on the vehicle body.
  • the thrust bearing is selected from a thrust radial roller bearing and a one-way flat thrust bearing.
  • FIG. 1 is a general structural diagram of a state of use of an electric heating diversion tank device for manufacturing rock wool fibers according to the present invention
  • FIG. 2 is a sectional view taken along A-B-C-D-E in FIG. 1;
  • Figure 3 is a longitudinal sectional view of the tank
  • Figure 4 is a perspective view of the cooling and power supply of the metal molybdenum electrode
  • FIG. 5 is a perspective view of the cooling and power supply of the iridium electrode in the slot. Best Mode of the Invention
  • the electric heating diversion tank device for manufacturing rock wool fibers is in a normal working state, which includes a tank body 1, a bracket 2, a car body 3, a moving mechanism 4, a heating mechanism 5 and Cooling mechanism 6.
  • the trough body 1 includes a glass slurry feed inlet 11 placed at an upper part of one end of the trough body, a guide trough 12, a discharge outlet 13 placed at a lower part of the other end of the trough body, and a support for supporting the trough body. Shelf 2.
  • the feed inlet 11 is sealedly connected to the boiler slag opening, and the frit propeller stream is basically aligned with the center of the feed inlet and enters into the guide groove 12,
  • the guide groove 12 includes a tank 121, a tank cavity 122 and a detachable submerged by the glass frit slurry.
  • Slot top 123 The side wall of the tank 121 is made of refractory pool wall bricks that are resistant to erosion by glass slurry. One of the longitudinal side walls has three electrode penetration holes.
  • the bottom of the tank 121 is made of bottom bricks.
  • the pool wall bricks include general pool wall bricks laid on one longitudinal side wall, pool wall bricks laid on the other longitudinal side wall with electrode penetration holes, pool wall bricks at the inlet end of the tank, and pool ponds at the outlet end of the tank. Wall tiles and so on.
  • the groove cavity 122 is made of a chest wall brick and a chest wall thermal insulation brick. The two end walls of the groove cavity 122 have movable observation hole peephole bricks, and the observation holes 125 and 126 are formed when removed.
  • the tank top 123 includes a top cover brick, a thermal insulation felt, and a top surface brick from bottom to top, each of which has an insertion hole for a heating element 53 for baking. Holes for inserting temperature measuring thermocouples 127 and 128 are left on the two walls of the tank body.
  • the discharge port 13 of the tank body includes an outflow slot body 52 and an outlet shaft 131 extending from the tank body 1.
  • the outflow slot body 52 is made of iridium metal, and includes an inner end plate 521 and an outflow slot. 522, one end of the orifice slot 522 is welded and connected with the notch of the inner end plate 521 as a whole, and the inclination angle of the orifice slot 522 from the inside to the outside is 15 °.
  • the exit shaft 13 1 is made of manhole cover bricks, peephole bricks, and well wall bricks, and the outside is provided with thermal insulation bricks and / or thermal insulation felts.
  • the electrodes of the heating mechanism 5 include three metal molybdenum electrodes 51 and a nozzle slot body 52. A cooling water jacket 51 1 is provided on the outside of the electrodes. Each electrode is connected to the same power supply switch box 54 through a wire 55. Supply three-phase four-pole power.
  • the metal molybdenum electrode 51 is a bar-plate hybrid type, which includes a slotted molybdenum rod 512 and a slotted unequal-thickness molybdenum plate 513.
  • the molybdenum plate 5 13 is an inverted trapezoid. As shown in FIG. 5, the cross-section of the orifice slot 522 is V-shaped, and the thickness of the slot plate is thicker and thinner, and the exposed air portion is covered and isolated with a refractory material. The thickness of the inner end plate 521 is changed, and the thickness of the plate is gradually thinned away from the welding place with the spout groove 522 outward.
  • the baking heating element 53 of the electric heating mechanism 5 is a molybdenum silicide heating element, and the 60 heating elements 53 are respectively combined into three groups, and the three-phase power is supplied by another power switch box 54 '.
  • the bracket 2 and the vehicle body 3 of the trough body are made of a hollow steel structure, forming a part of the cooling mechanism 6. The water used to cool the bracket 2 and the vehicle body 3 is ordinary water from the water supply tank 61.
  • the water used to cool the electric heating mechanism is desalinated water, and includes cooling electrodes and wires 55, each of which forms an independent cooling route.
  • FIG. 4 there is a three-dimensional schematic diagram of cooling and power supply of a metal molybdenum electrode 51, in which all the wires 55 have cooling water pipes, and the pipes have demineralized water provided from the water supply tank 61 ′, and the wires 55 and the cooling water jacket 51 1 —Use in and out of DC.
  • Figure 5 is a three-dimensional schematic diagram of the cooling and power supply of the V-shaped slot body 522 iridium electrode. There are cooling water pipes in all the wires.
  • the pipes contain the desalinated water supplied from the water supply tank 61 ′, and the wires 55 and the cooling water Sleeve 51 1.
  • the outlet cable of the power supply box 54 is flexibly connected with the wire 55, and the outlet water of the water supply box 61 'is
  • the tube 62 and the lead 55 are also flexibly connected.
  • the above cooling mechanism can ensure that the bracket 2 and the vehicle body 3 are protected from damage caused by high temperature, and avoid leakage of the glass frit caused by damage of the tank 121 under high temperature. When the electric heating deflector device is not used, it can be removed by a moving mechanism 4.
  • the device for horizontally moving the groove body includes a walking rail 41, a motor 42, a reducer 43, a transmission sprocket and a chain.
  • the middle section 71 of the well is moved to a position that is consistent with the boiler slag outlet 72 and the slag discharge granulation box 73.
  • the electrically heated diversion trough device used to manufacture rock wool fibers is moved to the working position, sometimes the glass frit stream from the boiler is not aligned properly, or the glass frit stream from the V-shaped slot
  • the centrifugal roller 8 of the centrifuge is not aligned. At this time, it needs to be adjusted in the horizontal direction by a device that rotates the groove body. It includes a horizontally placed thrust radial roller bearing 44.
  • the upper part is the support of the support bracket and the entire groove body.
  • the operation procedure of the present invention is as follows:
  • the speed reducer 43 with the motor 42 rotates forward to make the electric heating diversion tank device enter the working position to receive the material, and the middle section 71 of the slag well is pushed away from the working position.
  • the diversion tank body 1 After the diversion tank body 1 receives the material, take out the peephole bricks in the observation holes 125 and 126, and observe the liquid level of the glass slurry.
  • the motor 42 is started, and the reducer 43 is reversed and exited.
  • the electrode 51 and the tank top heating element 53 are heated together until the glass frit reaches
  • the device that rotates the tank of the moving mechanism aligns the stream flowing out of the V-shaped nozzle slot 522 with the corresponding position of the centrifuge roller 8 of the centrifuge. At this time, the centrifuge roller must be grounded to start the production of rock wool fibers.
  • the advantage of the invention is that the device can make the glass slurry discharged from the liquid boiler heated and quenched and its temperature and viscosity meet the requirements for the manufacture of rock wool fibers, and it can accurately and closely cooperate with the centrifuge for making rock wool fibers. This improves the quality and efficiency of manufacturing rock wool fibers.
  • the device has high thermal efficiency, can avoid leaks in tanks, is easy to operate and maintain, equipment is not easy to damage, and operates safely.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Furnace Details (AREA)

Abstract

L'invention concerne un dispositif à conduit chauffant servant à fabriquer de la laine de roche comprenant un boîtier présentant une ouverture d'admission d'une suspension en verre, un conduit de guidage, une ouverture de sortie et une armature, un dispositif à conduit mobile horizontal et la structure mobile dudit dispositif, une structure chauffante alimentant une pluralité d'électrodes et une pluralité de pièces chauffantes ainsi qu'un mécanisme de refroidissement de l'armature et des électrodes. La température et la viscosité du lait de verre déchargé par le générateur de liquide répondent non seulement aux exigences de fabrication de la laine de roche mais sont en parfaite coordination avec la centrifugeuse utilisée dans la fabrication de la laine de roche. En effet, la puissance calorifuge est élevée, la manipulation et l'entretien du dispositif sont aisés, l'équipement résiste bien à la détérioration et son fonctionnement est fiable.
PCT/CN2001/000320 2000-03-16 2001-03-16 Dispositif a conduit chauffant servant a fabriquer de la laine de roche WO2001068537A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001281462A AU2001281462A1 (en) 2000-03-16 2001-03-16 Device of guiding channel with electric heating means for the production of the rock wool fibers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN00205387U CN2420276Y (zh) 2000-03-16 2000-03-16 一种用于制造岩棉纤维的加热导流槽装置
CN00205387.X 2000-03-16

Publications (1)

Publication Number Publication Date
WO2001068537A1 true WO2001068537A1 (fr) 2001-09-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2001/000320 WO2001068537A1 (fr) 2000-03-16 2001-03-16 Dispositif a conduit chauffant servant a fabriquer de la laine de roche

Country Status (3)

Country Link
CN (1) CN2420276Y (fr)
AU (1) AU2001281462A1 (fr)
WO (1) WO2001068537A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115710517A (zh) * 2022-11-25 2023-02-24 泉州市盛发安防发展有限公司 防火门填芯防火材料及其生产工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86101084A (zh) * 1986-01-31 1987-08-19 天津市建筑材料科学研究所 利用液态旋风炉渣制棉的工艺方法
CN1040569A (zh) * 1988-09-02 1990-03-21 奥伊·波尔特克公司 制造矿物棉的方法和装置
US4971615A (en) * 1989-11-20 1990-11-20 Und-Sem Foundation Method and means for producing mineral wool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86101084A (zh) * 1986-01-31 1987-08-19 天津市建筑材料科学研究所 利用液态旋风炉渣制棉的工艺方法
CN1040569A (zh) * 1988-09-02 1990-03-21 奥伊·波尔特克公司 制造矿物棉的方法和装置
US4971615A (en) * 1989-11-20 1990-11-20 Und-Sem Foundation Method and means for producing mineral wool

Also Published As

Publication number Publication date
AU2001281462A1 (en) 2001-09-24
CN2420276Y (zh) 2001-02-21

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