CN206447776U - A kind of centrifugally glass-wool bushing flow heater - Google Patents
A kind of centrifugally glass-wool bushing flow heater Download PDFInfo
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- CN206447776U CN206447776U CN201621470729.6U CN201621470729U CN206447776U CN 206447776 U CN206447776 U CN 206447776U CN 201621470729 U CN201621470729 U CN 201621470729U CN 206447776 U CN206447776 U CN 206447776U
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- bushing
- glass
- wool
- molybdenum electrode
- power supply
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Abstract
The utility model is related to centrifugally glass-wool and manufactures field, specifically a kind of centrifugally glass-wool bushing flow heater, molybdenum electrode is set on the supply channel side wall for having glass metal circulation inside, molybdenum electrode is connected to the pole of power supply one by red copper row, bushing is arranged on supply channel bottom, prepared using inexpensive raw material, bushing lets slip a remark ear by red copper row's connection power supply another pole, glass metal formation closed-loop path in bushing, power supply, molybdenum electrode and supply channel.When connecting external power source, there is electric current generation in closed-loop path, glass metal produces heat as heating resistor from inside, it can ensure that the glass metal on bushing top is within the scope of a stable temperature all the time, both improve the electric current efficiency of heating surface, reduce the purpose that energy loss reaches saving energy consumption, temperature that glass metal passes through from bushing and the stable and uniform of flow can be improved again, be conducive to improving the stabilization of product quality.
Description
Technical field
The utility model is related to centrifugally glass-wool and manufactures field, specifically a kind of centrifugally glass-wool bushing flow
Heater.
Background technology
Centrifugally glass-wool is that the glass in molten condition is carried out into fibrosis spraying thermosetting with centrifugal injection method technique
The filamentary material that resin is made, can be made into the series of products served many purposes.Centrifugally glass-wool internal fiber is fluffy staggeredly, deposits
It is typical porous material, with good sound absorption and heat preservation property in a large amount of small holes.Centrifugally glass-wool can be made
Into wallboard, ceiling, suspended absorber etc., there is extensive use in fields such as building heat preservation, industrial pipe networks.
In the production process of centrifugally glass-wool, mainly raw material are fused into glass metal in melting furnaces, in melting furnaces forming part
Equipped with single hole platinum-rhodium alloy bushing, the glass metal melted flows out to form glass metal stream stock from bushing hole, and stream stock vertically falls into fibre
The main part of dimensionization equipment --- in sedimentator, sedimentator rotates at a high speed, in centrifugal force and ring with sedimentator arranged concentric
Under the airflow function collective effect that shape burner noz(zle) sprays, glass metal is drafted the secondary stock to form 3-7 μm of average diameter, i.e.,
Mineral wool.
The uniform and stable product quality to production of glass flow rate has a direct impact in centrifugally glass-wool production technology, at present
The method of control glass flow rate mainly has loam core method and bushing electric current heating, because loam core method control glass flow rate is more thick
Rough, it is difficult to obtain the glass flow rate of relative constancy, excursion is big, and product quality fluctuation is big, requires higher in product quality
Eliminated substantially in enterprise；Bushing electric current heating electrode is connected on the ear of both sides is powered by being let slip a remark in bushing, is utilized
Bushing is let slip a remark be powered after the resistance heat heating that produces let slip a remark, and heated by heat transfer by the glass metal let slip a remark, the method can
It is a kind of of a relatively high glass flow rate control of accuracy to adjust the glass flow rate let slip a remark by bushing by changing size of current
Method processed.
Current bushing electric current heating is to heat bushing by resistance heat to let slip a remark, then will be let slip a remark inner surface heat by heat transfer
Amount passes to interior glass metal of leting slip a remark, and it heats effective range and only let slip a remark one section, the short glass caused by leting slip a remark of operating distance
Glass flow is easily fluctuated, and influences the stabilization of product quality；And outer wall thermal loss of leting slip a remark is big, and heat energy transfer often causes
Energy loss is big, is unfavorable for saving the energy, reduction energy consumption.
Meanwhile, it is general to prepare bushing, the prices of raw materials from platinum-rhodium alloy material to improve the heating sensitivity of bushing electric current
Costliness, and easily pollution poisoning in high temperature environments, once the maintenance cost that breaks down is higher.Current Some Enterprises start to use
06Cr25Ni20 alloys prepare bushing instead of platinum-rhodium alloy, significantly reduce cost of raw and processed materials, but its efficiency of heating surface and glass stream
Amount regulation sensitivity can be reduced, and be unfavorable for the stabilization of product quality.
Utility model content
In order to solve the above-mentioned technical problem, the utility model discloses a kind of centrifugally glass-wool bushing flow heater,
The bushing prepared using 06Cr25Ni20 alloys, reduces the cost of raw material, and changing current bushing heating can only act on Lou
The short shortcoming of one section of mouth, coverage, while having the advantages that efficiency of heating surface height, glass flow rate are more uniform and stable.
The specific technical scheme of the utility model is as follows：
A kind of centrifugally glass-wool bushing flow heater, using single-hole cylindrical shape bushing, a pair of independent current sources, in bushing
The supply channel side wall both sides of surface are symmetrical arranged one or more pairs of molybdenum electrodes, and a pair of molybdenum electrodes are connected to by red copper row respectively
A pair of poles of independent current source one；Bushing is arranged on supply channel bottom brick bottom, and bushing lets slip a remark a pair of ears respectively by red copper row's connection
To another pole of a pair of power supplys, bushing is let slip a remark, power supply, molybdenum electrode and glass metal form closed-loop path.
Further improvement of the utility model, bushing material is 06Cr25Ni20 alloys, and bushing lets slip a remark aperture for 25-
36mm, length of leting slip a remark are 70-100mm.
Further improvement of the utility model, power supply is arranged between bushing and molybdenum electrode, every group of let slip a remark ear and molybdenum electricity
Pole sets a power supply, and power supply feature is low-voltage and high-current, and 380V alternating currents typically are changed into 2-5V exchanges through transformer
Electricity does power supply.
A pair of molybdenum electrodes, molybdenum electrode position are symmetrical arranged on further improvement of the utility model, supply channel both sides side wall
It is arranged on directly over bushing, and immerses 6-8cm positions below glass metal surface.
2-3 is symmetrical arranged to molybdenum electrode, molybdenum electrode position on further improvement of the utility model, supply channel both sides side wall
It is uniformly distributed centered on bushing to both sides, and immerses 6-8cm positions below glass metal surface.
The beneficial effects of the utility model：A kind of centrifugally glass-wool bushing flow heater disclosed in the utility model,
Glass metal directly over bushing and bushing are let slip a remark, molybdenum electrode, power supply form closed-loop path, by the way that glass metal is direct as heating
Resistance is heated, and improves efficiency of energy utilization, is conducive to saving energy consumption, is reduced cost；It ensure that bushing top glass simultaneously
Glass liquid temperature degree is uniform and stable, improves the sensitivity of glass flow rate regulation, is conducive to the glass flow rate for keeping leting slip a remark by bushing
Stable and uniform, solves the problem of existing when preparing bushing using inexpensive raw material, it is ensured that fiber quality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the supply channel top view in the utility model.
In figure, 1- supply channels, 2- glass metals, 3- bushings, 4- red coppers row, 5- bushings are let slip a remark, 6- molybdenum electrodes, 7- power supplys, 8-
Let slip a remark ear.
Embodiment
In order to deepen to understand of the present utility model, the utility model is done further below in conjunction with drawings and examples
It is described in detail, the embodiment is only used for explaining the utility model, protection domain of the present utility model is not constituted and limited.
Embodiment：As shown in figure 1, a kind of centrifugally glass-wool bushing flow heater, there is the confession that glass metal 2 circulates inside
Molybdenum electrode 6 is provided with the side wall of material road 1, molybdenum electrode 6 is connected to the pole of power supply 7 one by red copper row 4, and the bottom of supply channel 1 is provided with
Downward tapping channel, tapping channel bottom is provided with bushing 3, and bushing 3 is made up of bottom plate, 5, ear 8 of leting slip a remark of leting slip a remark, bushing 3
Using 06Cr25Ni20 alloy casting machine-shapings, let slip a remark ear 8 by red copper row 4 with power supply 7 is another is extremely connected, glass metal 2
One electrically conductive closed-loop path of formation is connected by red copper row 4 with molybdenum electrode 6, power supply 7, bushing 3.
As shown in Fig. 2 with that can pass through the hole of molybdenum electrode 6 on the side wall of supply channel 1, the quantity of molybdenum electrode 6 can be one
Right, molybdenum electrode 6 is arranged on the side wall of 3 surface supply channel of bushing 1, in insertion glass metal 2；The quantity of molybdenum electrode 6 can also be
2-3 pairs, molybdenum electrode 6 is symmetrically disposed on the side wall of supply channel 1 and is entirely insertable in glass metal.
In the present embodiment, bushing 3 is made of 06Cr25Ni20 alloy materials, and aperture of leting slip a remark can be according to production technology
Selected in 25-36mm, length of leting slip a remark can be selected in 70-100mm.
The concrete operating principle of the present embodiment：Glass in power supply 7, molybdenum electrode 6, ear 8 of leting slip a remark, bushing 3 and supply channel 1
Liquid 2 constitutes closed-loop path, when switch on power 7 when, there is electric current to pass through in closed-loop path, glass metal 2 can be as heating resistor
It is electrically heated inside glass metal, this heat protocol can ensure that the glass metal 2 for being located at the top of bushing 3 all the time can in a stabilization
Within the temperature range of control, and then ensure that glass metal 2 is uniform by the stability of flow of bushing 3, improve product quality stability, and
Solve the problem of glass flow rate regulation sensitivity because being prepared the generation of bushing 3 using 06Cr25Ni20 alloy materials is declined.
The mode of heating of the inside of glass metal 2 heating improves energy conversion efficiency, reduces energy loss simultaneously, can further reach
Save the energy, drop low consumed purpose.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.Scope is claimed in the utility model
By appended claims and its equivalent thereof.
Claims (6)
1. a kind of centrifugally glass-wool bushing flow heater, it is characterised in that have the supply channel side wall that glass metal circulates inside
Upper to be provided with molybdenum electrode, molybdenum electrode is connected to the pole of power supply one by red copper row, and bushing is arranged on supply channel bottom, and bushing is let slip a remark ear
Piece by red copper row with power supply is another is extremely connected, glass metal arranged with molybdenum electrode, power supply, bushing by red copper be connected form one can
With conductive closed-loop path.
2. centrifugally glass-wool bushing flow heater according to claim 1, it is characterised in that the bushing is used
Prepared by 06Cr25Ni20 alloy materials, aperture of leting slip a remark is 25-36mm, length of leting slip a remark is 70-100mm.
3. centrifugally glass-wool bushing flow heater according to claim 1, it is characterised in that power supply is arranged on bushing
Between molybdenum electrode, the low-voltage, high-current power supply that every group of let slip a remark ear and molybdenum electrode one voltage of setting are 2-5V.
4. centrifugally glass-wool bushing flow heater according to claim 1, it is characterised in that supply channel both sides side wall
On be symmetrical arranged 1-3 to molybdenum electrode, molybdenum electrode position is symmetrical centered on bushing, and immerses 6- below glass metal surface
8cm。
5. centrifugally glass-wool bushing flow heater according to claim 1, it is characterised in that the closed-loop path with
Glass metal is as main heating resistor, and the glass metal for being pointed to bushing top is internally heated.
6. the centrifugally glass-wool bushing flow heater according to claim any one of 1-4, it is characterised in that described to close
Close loop and could be arranged to 1-3 groups, closed-loop path described in every group leads to by the ear of leting slip a remark, the molybdenum electrode, the power supply
Red copper row's connection is crossed, it is separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470729.6U CN206447776U (en) | 2016-12-30 | 2016-12-30 | A kind of centrifugally glass-wool bushing flow heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470729.6U CN206447776U (en) | 2016-12-30 | 2016-12-30 | A kind of centrifugally glass-wool bushing flow heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206447776U true CN206447776U (en) | 2017-08-29 |
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ID=59674075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621470729.6U Active CN206447776U (en) | 2016-12-30 | 2016-12-30 | A kind of centrifugally glass-wool bushing flow heater |
Country Status (1)
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| CN (1) | CN206447776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380493A (en) * | 2022-02-28 | 2022-04-22 | 南京航空航天大学 | Glass liquid stream protection device for centrifugal glass wool |
-
2016
- 2016-12-30 CN CN201621470729.6U patent/CN206447776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380493A (en) * | 2022-02-28 | 2022-04-22 | 南京航空航天大学 | Glass liquid stream protection device for centrifugal glass wool |
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