CN208223174U - A kind of metal molten furnace temperature measuring equipment - Google Patents
A kind of metal molten furnace temperature measuring equipment Download PDFInfo
- Publication number
- CN208223174U CN208223174U CN201820806394.3U CN201820806394U CN208223174U CN 208223174 U CN208223174 U CN 208223174U CN 201820806394 U CN201820806394 U CN 201820806394U CN 208223174 U CN208223174 U CN 208223174U
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- crucible
- measuring equipment
- temperature
- temperature measuring
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Abstract
The utility model discloses a kind of metal molten furnace temperature measuring equipments, belong to metal molten furnace field, including fusing furnace body, crucible, heater；It further include cover board, crucible bottom plate, supporting block, controller, temperature measuring equipment；The bottom of crucible is closed and top has opening, and the fixed lid of cover board runs mouth jointly, and temperature measuring equipment is located in rectangular through-hole；Temperature measuring equipment includes temperature thermocouple, fixing sleeve, protective case, fixing seat, bolt, compensating wire；Temperature thermocouple is electrically connected with the controller by compensating wire；One end of temperature thermocouple is located in opening portion and on the inner wall for abutting mouth-sealed portion, and the other end of temperature thermocouple passes through fixing sleeve and protrudes into the central through hole of crucible bottom plate.A kind of metal molten furnace temperature measuring equipment of the utility model is equipped with temperature measuring equipment by the bottom centre in crucible, so that temperature measures more accurate, the small stable reading of measurement error, and temperature thermocouple is provided with protective case, it is ensured that the stability of temperature thermocouple.
Description
Technical field
The utility model relates to metal molten furnace fields, more particularly to a kind of metal molten furnace temperature measuring equipment.
Background technique
Currently, first passing around the processes such as preheating, fusing and die casting during pack alloy product producing process.Its
In, melting process is most important, directly affects the quality of Al-alloy products.Currently, the melting of aluminium alloy is usually in melting furnace
Interior progress, existing melting furnace are set in burner hearth including the furnace body with insulating layer, the burner hearth that is in cavity-like for one among furnace body
There is a crucible, is equipped with heater strip on the outside of crucible, while being additionally provided with temperature measuring equipment and protective gas input unit etc..Wherein thermometric
What device was taken is the mode of indirect thermometric, i.e., linear type thermocouple is passed through furnace body and be inserted into burner hearth, by measuring burner hearth
Temperature is inferred to the temperature of molten aluminum in crucible, and then carries out the temperature control of fusion process.Wherein thermocouple is exposed in furnace body
It is easy to be damaged, it is inconsistent in the temperature of burner hearth and the temperature of molten aluminum that measurement, which is fire box temperature,.Measurement result
It is not very accurately, error is excessive, is unable to accurately control the temperature of molten aluminum.It is, therefore, desirable to provide effective scheme is come more than solving
Problem.
Utility model content
In order to overcome the drawbacks of the prior art, a kind of metal molten furnace temperature measuring equipment of the utility model, by crucible
Bottom centre be equipped with temperature measuring equipment so that temperature measures more accurate, the small stable reading of measurement error, and temperature thermocouple is set
It is equipped with protective case, it is ensured that the stability of temperature thermocouple.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of metal molten furnace temperature measuring equipment, including melts furnace body, is located at the fusing furnace body
Crucible that is internal and being used to accommodate material to be melted, the heater for being fixed at the fusing furnace interior；
Further include cover board, crucible bottom plate, be fixed at the fusing furnace interior bottom and be used to support the crucible
Supporting block, the controller being fixed on the fusing furnace body outer wall, be located at immediately below the crucible and with the fusing furnace body
The temperature measuring equipment that is fixedly connected of inner bottom wall；
The bottom of the crucible is closed and top has opening, and the fixed lid of the cover board closes the opening, the crucible bottom
One end face of plate is bonded with the bottom end face of the crucible, the both ends of the other end of the crucible bottom plate and the supporting block
Upper surface fitting, the center of the crucible bottom plate is equipped with the central through hole through the crucible bottom plate；
The center of the supporting block is equipped with the rectangular through-hole for running through the supporting block and connecting with the central through hole；Institute
Temperature measuring equipment is stated to be located in the rectangular through-hole；
The temperature measuring equipment includes temperature thermocouple, the fixing sleeve being sheathed on the temperature thermocouple, for protecting
State the protective case of temperature thermocouple, the fixing seat for fixing the protective case, bolt, compensating wire；
The temperature thermocouple is electrically connected by the compensating wire with the controller；
The fixing seat is fixed in the inner bottom wall of the fusing furnace body, is symmetrically arranged with use on the outer wall of the fixing seat
In the threaded hole that the bolt passes through, the fixing seat is equipped with the location hole through the fixing seat, the threaded hole and institute
It states location hole to connect, the axis perpendicular of the axis of the threaded hole and the location hole；The part protective case passes through institute
It states bolt and is fixed on the positioning hole；The top of the protective case, which has, is capable of fixing the opening portion for accommodating the fixing sleeve, institute
The bottom for stating protective case is equipped with mouth-sealed portion, and the perforation passed through for the compensating wire is set on the mouth-sealed portion；The opening portion with
The perforation is connected；One end of the temperature thermocouple is located in the opening portion and on the inner wall for abutting the mouth-sealed portion,
The other end of the temperature thermocouple passes through the fixing sleeve and protrudes into the central through hole of the crucible bottom plate；Institute
State the sealing that fixing sleeve closes the opening portion with interconnecting piece and lid, the inner wall of the outer wall of the interconnecting piece and the opening portion
Transition fit, the outer wall clearance fit of temperature thermocouple described in the inner wall of the interconnecting piece.
Optionally, the temperature thermocouple protrudes between one end of the central through hole and the crucible bottom outer wall and has
Gap, the gap size are 2mm-3mm.
Optionally, the temperature thermocouple is R type thermocouple.
Optionally, guarantor compatible with the fusing inner wall shape of furnace body is fixed on the inner wall of the fusing furnace body
Warm layer.
Optionally, the internal diameter of the perforation is less than the diameter of the temperature thermocouple.
Optionally, the fusing furnace body bottom wall is equipped with the bottom outlet passed through for the compensating wire, the outside of the bottom outlet
It is fixed with the seal nipple that can seal the bottom outlet.
Optionally, chamfering is equipped at the bottom opening of the central through hole of the crucible bottom plate.
Optionally, the cover board is equipped with gas vent
The utility model has the following beneficial effects:
A kind of metal molten furnace temperature measuring equipment of the utility model is equipped with temperature measuring equipment by the bottom centre in crucible,
So that temperature measures more accurate, the small stable reading of measurement error, and temperature thermocouple is provided with protective case, it is ensured that thermometric thermoelectricity
Even stability.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for metal molten furnace temperature measuring equipment that specific embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram of the amplification for the temperature measuring equipment that specific embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram of the fixing sleeve for the temperature measuring equipment that specific embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram of the protective case for the temperature measuring equipment that specific embodiment of the present invention provides.
In figure:
1, furnace body is melted；2, crucible；3, cover board；4, heater；5, crucible bottom plate；6, supporting block；7, controller；8, thermometric
Device；9, bottom outlet；10, seal nipple；31, gas vent；51, central through hole；81, temperature thermocouple；82, fixing sleeve；83, it protects
Set；84, fixing seat；85, bolt；86, compensating wire；821, interconnecting piece；822, sealing；831, opening portion；832, mouth-sealed portion；
833, it perforates.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figs 1-4, a kind of metal molten furnace temperature measuring equipment, including fusing furnace body 1, be located at fusing furnace body 1 inside and
Heater 4 for accommodating the crucible 2 of material to be melted, being fixed inside fusing furnace body 1；It further include cover board 3, crucible bottom plate
5, it is fixed at fusing 1 interior bottom portion of furnace body and is used to support the supporting block 6 of crucible 2, is fixed on fusing 1 outer wall of furnace body
Controller 7, the temperature measuring equipment 8 being fixedly connected immediately below crucible 2 and with the inner bottom wall of fusing furnace body 1；The bottom of crucible 2 is sealed
It closes and top has opening, the fixed lid of cover board 3 runs mouth jointly, and an end face of crucible bottom plate 5 is bonded with the bottom end face of crucible 2, earthenware
The other end of crucible bottom plate 5 is bonded with the upper surface at the both ends of supporting block 6, and the center of crucible bottom plate 5, which is equipped with, runs through crucible bottom
The central through hole 51 of plate 5；The center of supporting block 6 is equipped with the rectangular through-hole for running through supporting block 6 and connecting with central through hole 51；It surveys
Warm device 8 is located in rectangular through-hole；Temperature measuring equipment 8 includes temperature thermocouple 81, the fixing sleeve being sheathed on temperature thermocouple 81
82, for protecting the protective case 83 of temperature thermocouple 81, the fixing seat 84 for fixing protective case 83, bolt 85, compensating wire
86；Temperature thermocouple 81 is electrically connected by compensating wire 86 with controller 7；Fixing seat 84 is fixed at the interior bottom of fusing furnace body 1
On wall, the threaded hole passed through for bolt 85 is symmetrically arranged on the outer wall of fixing seat 84, fixing seat 84, which is equipped with, runs through fixing seat
84 location hole, threaded hole connect with location hole, the axis of threaded hole and the axis perpendicular of location hole；Part protective jacket 83
Positioning hole is fixed on by bolt 85；The top of protective case 83 has the opening portion 831 for being capable of fixing and accommodating fixing sleeve 82, protection
The bottom of set 83 is equipped with mouth-sealed portion 832, sets the perforation 833 passed through for compensating wire 86 on mouth-sealed portion 832；Opening portion 831 with wear
Hole 833 is connected；One end of temperature thermocouple 81 is located in opening portion 831 and on the inner wall for abutting mouth-sealed portion 832, thermometric thermoelectricity
Even 81 other end passes through fixing sleeve 82 and protrudes into the central through hole 51 of crucible bottom plate 5；Fixing sleeve 82 has interconnecting piece
821 run the sealing 822 of oral area 831 jointly with lid, and the outer wall of interconnecting piece 821 and the internal wall transitions of opening portion 831 cooperate, interconnecting piece
The outer wall clearance fit of 821 inner wall temperature thermocouple 81.
It is above to implement, specifically, by heater 4 will melt in furnace body 1 to be loaded in crucible 2 reaction mass into
Row heating, and certain process time is maintained, so that reaction mass all melts, the bottom of crucible 2 is closed and top has
It is open, the fixed lid of cover board 3 runs mouth jointly, and cover board 3 can cover the opening for closing crucible 2, so that reaction mass is internal warm when heated
Degree uniformly reduces heat to external radiation, while can prevent the impurity of fusing furnace body 1 from entering in the reaction mass of crucible 2；Wherein
One end face of crucible bottom plate 5 is bonded with the bottom end face of crucible 2, the both ends of the other end and supporting block 6 of crucible bottom plate 5
Upper surface fitting, the center of crucible bottom plate 5 are equipped with the central through hole 51 through crucible bottom plate 5；The center of supporting block 6 is equipped with simultaneously
Through supporting block 6 and the rectangular through-hole that connects with central through hole 51；Temperature measuring equipment 8 is located in rectangular through-hole；Temperature measuring equipment 8 wraps
Include temperature thermocouple 81, the fixing sleeve being sheathed on temperature thermocouple 81 82, the protective case 83 for protecting temperature thermocouple 81,
For fixing fixing seat 84, the bolt 85, compensating wire 86 of protective case 83；Temperature thermocouple 81 passes through compensating wire 86 and control
Device 7 is electrically connected；Fixing seat 84 is fixed in the inner bottom wall of fusing furnace body 1, is symmetrically arranged on the outer wall of fixing seat 84 for spiral shell
The threaded hole that bolt 85 passes through, fixing seat 84 are equipped with the location hole through fixing seat 84, and threaded hole connects with location hole, screw thread
The axis in hole and the axis perpendicular of location hole；Part protective jacket 83 is fixed on positioning hole by bolt 85；Protective case 83
Top has an opening portion 831 for being capable of fixing and accommodating fixing sleeve 82, and the bottom of protective case 83 is equipped with mouth-sealed portion 832, on mouth-sealed portion 832
If the perforation 833 passed through for compensating wire 86；Opening portion 831 is connected with perforation 833；One end of temperature thermocouple 81, which is located at, opens
In oral area 831 and on the inner wall for abutting mouth-sealed portion 832, the other end of temperature thermocouple 81 passes through fixing sleeve 82 and protrudes into earthenware
In the central through hole 51 of crucible bottom plate 5；There is fixing sleeve 82 interconnecting piece 821 and lid to run the sealing 822 of oral area 831, interconnecting piece jointly
821 outer wall and the internal wall transitions of opening portion 831 cooperate, the outer wall clearance fit of the inner wall temperature thermocouple 81 of interconnecting piece 821.
By the way that fixing sleeve 82 is arranged temperature thermocouple 81 is stably fixed in protective case 83, guarantees the stability that thermometric is；
It should be noted that fixing sleeve 82, fixing seat 84, bolt 85 can use graphite material resistant to high temperature, meet high temperature melting
The production requirement of furnace, wherein protective case 83 is also made using alumina material.
In use, temperature thermocouple 81 is fixed in the inner bottom wall of fusing furnace body 1 by fixing seat 84, protective case 83
Set on the outside of temperature thermocouple 81, part protective jacket 83 is fixed in through-hole by bolt 85, temperature thermocouple 81 it is another
End is across fixing sleeve 82 and protrudes into the central through hole 51 of crucible bottom plate 5；Temperature thermocouple 81 close to the bottom of crucible 2, due to
Crucible 2 can be for high temperature resistant and the high quartz material of thermal coefficient forms, and the heat of reaction mass can be quickly and straight
The transmitting crucible 2 connect so that temperature thermocouple 81 may not need contact reaction mass and direct temperature measurement, temperature thermocouple
81 are electrically connected by compensating wire 86 with controller 7, and thermocouple temperature measurement instrument 1 is passed its signal collected by compensating wire 86
It transports to the controller 7 being electrically connected and handle simultaneously displays temperature.More specifically, compensating wire 86 is in certain temperature range
It is interior that there is the conducting wire that insulating layer is had with a pair of the electromotive force same nominal value of matched temperature thermocouple 81, by using benefit
It repays conducting wire 86 and connects temperature thermocouple 81 and controller 7, produced by the temperature change that compensation and thermocouple junction may be implemented
Error, reduce temperature error, make control temperature it is more accurate.Since temperature thermocouple 81 is not in contact with reaction mass, make
Obtaining temperature thermocouple 81, the service life is longer.It should be noted that due to heater 4 caloradiance with distance increase and
Weaken, in crucible 2 reaction mass of central area apart from 4 side of heater farther out, therefore temperature is lower, solid material material compared with
Evening is melted into solution, therefore the temperature in the temperature measuring point region is smaller by solution disturbing influence, can more realistically reflect solution
Temperature.
Optionally, temperature thermocouple 81, which protrudes into, has gap between 2 bottom outer wall of one end and crucible of central through hole 51,
Gap is having a size of 2mm-3mm.
Specifically, temperature thermocouple 81, which protrudes into, has gap between 2 bottom outer wall of one end and crucible of central through hole 51,
And gap size is set as 2mm-3mm, on the one hand can be adjusted by bolt 85, by temperature thermocouple 81 and 2 bottom of crucible
Gap between outer wall guarantees to adjust in 2mm-3mm by bolt 85, easy implementation quick for installation；On the other hand, by gap size
It is set as 2mm-3mm, it is ensured that in the case that crucible 2 will not be touched and damage the risk of temperature thermocouple 81 by pressure, can satisfy
The temperature that temperature thermocouple 81 measures is more accurate.
Optionally, temperature thermocouple 81 is R type thermocouple.
Specifically, to meet the thermometric requirement in fusing furnace body 1 under hot environment, temperature thermocouple 81 is R type thermoelectricity
Even, R type thermocouple has accuracy highest in thermocouple series, and stability is best, thermometric wide temperature region, and it is 0 DEG C that range is measured in side
~1800 DEG C, the advantages that long service life.Its physics, chemical property is good, thermoelectricity potential stability and at high temperature inoxidizability
It can be good.
Optionally, to prevent fusing 1 internal heat of furnace body to scatter and disappear, the thermal insulation property of fusing furnace body 1 is improved, furnace body 1 is melted
Inner wall on be fixed at and the compatible insulating layer of the fusing inner wall shape of furnace body 1.
Optionally, perforate 833 internal diameter be less than temperature thermocouple 81 diameter.
Specifically, by be arranged by perforate 833 internal diameter be less than temperature thermocouple 81 diameter, can guarantee to survey first
Warm galvanic couple 81 is mounted on the inner wall of mouth-sealed portion 832 and does not fall, and compensating wire 86 can be allowed to pass through, and avoids thermometric
Thermocouple 81 pushes down compensating wire 86.
Optionally, fusing 1 bottom wall of furnace body is equipped with the bottom outlet 9 passed through for compensating wire 86, and the outside of bottom outlet 9 is fixed with
The seal nipple of bottom outlet 9 can be sealed.
Specifically, by being equipped with the bottom outlet 9 passed through for compensating wire 86, the internal diameter of bottom outlet 9 on fusing 1 bottom wall of furnace body
If size is able to satisfy compensating wire 86 and is smoothly pierced by and is pierced by except fusing furnace body 1 by seal nipple 10, while bottom outlet 9
Outside is fixed with the seal nipple 10 for sealing up bottom outlet 9, and wherein seal nipple 10 and bottom outlet 9 match setting, seal nipple
10 can realize sealing to bottom outlet 9, and the temperature in fusing furnace body 1 is prevented to scatter and disappear.
Optionally, to can smoothly enter into central through hole 51 when installing convenient for temperature thermocouple 81, temperature thermocouple 81 is realized
Guiding and positioning function when assembly is equipped with chamfering at the bottom opening of the central through hole 51 of crucible bottom plate 5.
Optionally, for convenient for the impurity discharge in crucible 2, cover board 3 is equipped with gas vent 31.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (8)
1. a kind of metal molten furnace temperature measuring equipment, including melt furnace body (1), be located at fusing furnace body (1) inside and for holding
It sets the crucible (2) of material to be melted, be fixed at the internal heater (4) of fusing furnace body (1)；It is characterized by:
Further include cover board (3), crucible bottom plate (5), be fixed at fusing furnace body (1) interior bottom portion and be used to support the earthenware
The supporting block (6) of crucible (2), be fixed at it is described fusing furnace body (1) outer wall on controller (7), be located at the crucible (2) just under
Side and the temperature measuring equipment (8) being fixedly connected with the inner bottom wall of fusing furnace body (1)；
The bottom of the crucible (2) is closed and top has opening, and the fixed lid of the cover board (3) closes the opening, the crucible
One end face of bottom plate (5) is bonded with the bottom end face of the crucible (2), the other end of the crucible bottom plate (5) and the branch
The upper surface at the both ends of bracer (6) is bonded, and the center of the crucible bottom plate (5) is equipped in the crucible bottom plate (5)
Heart through-hole (51)；
The center of the supporting block (6) is equipped with the rectangle for running through the supporting block (6) and connecting with the central through hole (51)
Through-hole；The temperature measuring equipment (8) is located in the rectangular through-hole；
The temperature measuring equipment (8) include temperature thermocouple (81), the fixing sleeve (82) being sheathed on the temperature thermocouple (81),
For protecting protective case (83), the fixing seat (84) for fixing the protective case (83), spiral shell of the temperature thermocouple (81)
Bolt (85), compensating wire (86)；
The temperature thermocouple (81) is electrically connected by the compensating wire (86) with the controller (7)；
The fixing seat (84) is fixed in the inner bottom wall of fusing furnace body (1), right on the outer wall of the fixing seat (84)
Claim to be equipped with the threaded hole passed through for the bolt (85), the fixing seat (84) is equipped with determines through the fixing seat (84)
Position hole, the threaded hole connect with the location hole, the axis perpendicular of the axis of the threaded hole and the location hole；Portion
The protective case (83) is divided to be fixed on the positioning hole by the bolt (85)；The top of the protective case (83) has energy
The bottom of the fixed opening portion (831) for accommodating the fixing sleeve (82), the protective case (83) is equipped with mouth-sealed portion (832), described
The perforation (833) passed through for the compensating wire (86) is set on mouth-sealed portion (832)；The opening portion (831) and the perforation
(833) it is connected；One end of the temperature thermocouple (81) is located in the opening portion (831) and abuts the mouth-sealed portion
(832) on inner wall, the other end of the temperature thermocouple (81) passes through the fixing sleeve (82) and protrudes into the crucible
In the central through hole (51) of bottom plate (5)；There are the fixing sleeve (82) interconnecting piece (821) and lid to close the opening portion
(831) sealing (822), the outer wall of the interconnecting piece (821) and the internal wall transitions of the opening portion (831) cooperate, described
The outer wall clearance fit of temperature thermocouple (81) described in the inner wall of interconnecting piece (821).
2. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
The temperature thermocouple (81), which is protruded between one end of the central through hole (51) and the crucible (2) bottom outer wall, to be had
Gap, the gap size are 2mm-3mm.
3. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
The temperature thermocouple (81) is R type thermocouple.
4. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
Insulating layer compatible with the fusing inner wall shape of furnace body (1) is fixed on the inner wall of fusing furnace body (1).
5. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
The internal diameter of the perforation (833) is less than the diameter of the temperature thermocouple (81).
6. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
Fusing furnace body (1) bottom wall is equipped with the bottom outlet (9) passed through for the compensating wire (86), the bottom outlet (9) it is outer
Side is fixed with the seal nipple that can seal the bottom outlet (9).
7. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
Chamfering is equipped at the bottom opening of the central through hole (51) of the crucible bottom plate (5).
8. a kind of metal molten furnace temperature measuring equipment as described in claim 1, it is characterised in that:
The cover board (3) is equipped with gas vent (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806394.3U CN208223174U (en) | 2018-05-28 | 2018-05-28 | A kind of metal molten furnace temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806394.3U CN208223174U (en) | 2018-05-28 | 2018-05-28 | A kind of metal molten furnace temperature measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223174U true CN208223174U (en) | 2018-12-11 |
Family
ID=64506536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820806394.3U Expired - Fee Related CN208223174U (en) | 2018-05-28 | 2018-05-28 | A kind of metal molten furnace temperature measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208223174U (en) |
-
2018
- 2018-05-28 CN CN201820806394.3U patent/CN208223174U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |