CN108620570A - Metal Melting running gate system - Google Patents
Metal Melting running gate system Download PDFInfo
- Publication number
- CN108620570A CN108620570A CN201810821219.6A CN201810821219A CN108620570A CN 108620570 A CN108620570 A CN 108620570A CN 201810821219 A CN201810821219 A CN 201810821219A CN 108620570 A CN108620570 A CN 108620570A
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- CN
- China
- Prior art keywords
- fire door
- input duct
- flow
- smelting furnace
- hole
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of Metal Melting running gate systems.Stove gate device including casting device and smelting furnace, its casting device includes the input duct for being connected to smelting furnace, the input duct is connected with a dashpot, the stove gate device of the smelting furnace includes fire door and fire door running gear, the fire door includes outline border side, the mesh-type skeleton refractory material pouring layer and a full refractory material pouring layer, the fire door running gear being set in its outline border side include the halyard being connected between fire door and fire door driver.The Metal Melting injection system structure is reasonable, and conveying casting liquid is high-quality, improves the ingot casting recycling quality of secondary aluminium.
Description
Technical field
The present invention relates to a kind of secondary metal recovery systems.More particularly to a kind of Metal Melting running gate system.
Background technology
One feature of the secondary metal melting recycling including secondary aluminium is exactly to hold under the arm miscellaneous to have a large amount of weight thick in melting liquid
The thin king-sized scorification lime-ash of difference, impurity etc., when impurity eliminates it is not in place when, influence secondary metal ingot casting recycling product
Quality, when serious, ingot casting when recycling just like soybean residue, can not normal use, while influence ingot quality further includes
The temperature variation issues etc. of problem of oxidation, metal smelting liquid in melting liquid transmission process, due to secondary metal melting with
It pours into a mould ingot casting process and has one longer from the conveying of the and ingot quality to have obtained, melting liquid is also that key weighs
The process procedure wanted.Due to recycling the particularity of metal smelting liquid, it is purified or is filtered no matter technically or is set
All there is certain technology restriction on standby device, and existing regenerated metal melting ingot casting it include input duct etc. conveying dress
It sets, unreasonable due to structure and corresponding transporting mode, one side difficulty has effective removal of impurities measure function, simultaneously because its
Long-distance sand transport so that casting liquid is formed due to cooling and oxidation by surrounding air on surface when flowing through input duct
One layer of oxide skin is brought into mold and is entrained with a large amount of bubble and residue in liquid of casting together, on the one hand causes to cast
Ingot surface is coarse, and on the other hand its residue may form one layer of residual layer for being similar to soybean residue, and long distance on the surface of ingot casting
The temperature change etc. that metal smelting liquid from conveying is cooled down by surrounding air will all influence melting organic efficiency and ingot casting product
Matter, fed distance farther out when can also need to carry out reheating.
Invention content
The purpose of the present invention is in view of the deficiency of the prior art, provide a kind of Metal Melting running gate system.It should
Metal Melting injection system structure is reasonable, and conveying casting liquid is high-quality, improves the ingot casting recycling quality of secondary aluminium.
The technical solution of Metal Melting running gate system of the present invention includes the stove gate device of casting device and smelting furnace, cast
Device includes the input duct for being connected to smelting furnace, and the input duct is connected with a dashpot, the fire door dress of the smelting furnace
It sets including fire door and fire door running gear, the fire door includes outline border side, and the mesh-type skeleton being set in its outline border side is resistance to
Fiery material pouring layer and a full refractory material pouring layer, the fire door running gear include being connected to fire door to drive with fire door
Halyard between device.
The delivery outlet in the back-flow scrubbing hole is set to deviation, and it inputs side.
The Metal Melting running gate system of the present invention is not only reasonable for structure, but also its side in a manner of especially rational transport process
Method has preferably metal smelting liquid conveying and processing function relatively, and obtains preferable high treating effect, can really do
To avoiding the influence of entrained air bubbles, oxide layer, residue and related impurities to cast ingot product quality；And it can keep or reduce outer
Influence of portion's environment to the temperature of melting liquid, to better assure that ingot quality.
Description of the drawings
Fig. 1 is one example structure schematic diagram of Metal Melting running gate system of the present invention；Fig. 2 pours into a mould for Metal Melting of the present invention
One example structure schematic diagram of fire door of system；Fig. 3 is the fire door lower layer mesh-type skeleton refractory material pouring layer structure in Fig. 2
Schematic diagram；Fig. 4 is one example structure schematic diagram of this metal smelting and pouring system fire door running gear；Fig. 5 is this Metal Melting
2 structural schematic diagram of running gate system system casting device embodiment；Fig. 6 is this metal smelting and pouring system system casting device embodiment 3
Structural schematic diagram；Fig. 7 is 4 structural schematic diagram of casting device type embodiment；Fig. 8 is 5 structural schematic diagram of system casting device embodiment；
Fig. 9 is 6 structural schematic diagram of system casting device embodiment.
Specific implementation mode
In order to further appreciate that technical scheme of the present invention, the present invention is made into one by following embodiment combination attached drawing
Walk explanation.As shown in Figs 1-4, this metal smelting and pouring system includes and the Liu Tangkou of corresponding smelting furnace（Melting liquid delivery outlet）
Input duct 1 and dashpot 2 of the inclined formula of connection etc..The setting of its furnace chamber wall surface of smelting furnace is in gravity flow soup mouth and/or clearly
Inclined wall of the cinder notch toward furnace bottom wall surface.
Multiple flow-disturbing purifications hole 3a, input duct 1 are separately respectively equipped on the bottom wall of input duct 1 along its length
Output end be provided with the back-flow scrubbing hole 5 of the output end port that one is connected to input duct, dashpot 2 is connected to back-flow scrubbing
The delivery outlet 11 in hole 5.The isosceles trapezoid that the cross-sectional shape of its input duct is rectangular or gradient is smaller, depth is bottom surface
3-5 times of width.Its input duct is arranged with big depth-to-width ratio, i.e., input duct is narrower and deep, can obtain heat preservation effect well
Fruit.Energy saving consumption.
The outflow side in the corresponding flow-disturbing purification hole of input duct is connected with ceramic toward the inclined self-cleaning of side direction is flowed into
Screen pack 4a.The setting quantity of self-cleaning ceramic filter web plate 4a can be according to melting liquid（Fluid）Quality and degree of purification
It is required that be arranged.
Back-flow scrubbing hole 5 and flow-disturbing purification hole 3a its wall surface are in be flowed to along input duct flow direction and inverse input duct respectively
It tilts down, flow-disturbing purification hole is a quadrangle flow-disturbing purification that its bottom edge is inclined on input duct side wall surface direction
Hole.
The inclined input side setting in middle part of the wall surface in back-flow scrubbing hole 5 is in the certain altitude that raises up, back-flow scrubbing hole
Delivery outlet 11 is opened in the boss of the protrusion certain altitude of back-flow scrubbing hole wall surface；That is, its output of back-flow scrubbing hole
Mouth 11 is located at leaning on its input side and being higher than back-flow scrubbing hole bottom wall, the surrounding of the delivery outlet in back-flow scrubbing hole for back-flow scrubbing hole
Raised peripheral wall forms the neck 12 of the input port of dashpot 2a.The delivery outlet in back-flow scrubbing hole is less than the output end bottom of input duct
Wall surface.Its is back-flow scrubbing cheat that its delivery outlet is located at back-flow scrubbing hole can be certain to extend reflux runner by its input side
Conveying device in the case of obtain better clean-up effect.
2 bottom of dashpot offers the sprue gate for being delivered to cast ingot casting, and sprue gate is provided with corresponding taper control valve
13.The input port of the dashpot（The delivery outlet in back-flow scrubbing hole 5）It is provided with ceramic filter web plate 4b.Its ceramic filter web plate
On offer transitional pore corresponding with the valve rod of corresponding control valve 17.The valve rod of control valve passes through foam ceramic filter through transitional pore
Plate to back-flow scrubbing hole top.The spool of taper control valve 13 is tapered.Back-flow scrubbing hole is set at corresponding side minimum point
It is equipped with slag-drip opening.
Its it is back-flow scrubbing hole 5 and flow-disturbing purification hole 3a be respectively provided with it is extraordinary exclusion liquid in bubble, air and
The functions effect such as sediment and the oxidation of anti-flow surface.Clean-up effect is especially good.
Metal Melting running gate system of the present invention its be respectively set by the primary input section and output in input duct
The conveying purification style in flow-disturbing purification hole and back-flow scrubbing hole can both pass through flow-disturbing mode when fluid flows through flow-disturbing purification hole
Settle the purifications such as residue impurity and exhaust；Meanwhile input duct output end is flow to touching shutting off for back-flow scrubbing hole in fluid
When the side wall of side, with the corresponding flow behavior to flow back from bottom to top, residue sundries etc. is trapped in the transmission process that flows back
Back-flow scrubbing hole bottom, and air bubbles in fluids is discharged, purified fluid conveying to dashpot, then the filtering of ceramic filter web plate are net
Change is sent to ingot casting through control valve again.
Its flow-disturbing purification hole and back-flow scrubbing hole disturb mode of movement, on the one hand can be by the residue impurity etc. in liquid
It collects in the inner, on the other hand can exclude to become entrained in the bubble in liquid, while also can effectively avoid input duct surface
Liquid stays in surface contacts air and is formed corresponding new impurity by oxidation for a long time.It is purified with extraordinary conveying
Effect is good.Especially its self-cleaning type ceramic filter web plate by purifying hole outlet side connection in flow-disturbing, in the process of filtering
In its using tilting setting structure, in conjunction with fluid reflux characteristic, have and wash away dead weight falling type in length and breadth and clear up residue automatically
Function can obtain extraordinary clean-up effect.
The stove gate device of its smelting furnace of this system includes fire door 21 and the fire door action of the corresponding fire door set on smelting furnace 20
Device, fire door includes outline border while 25, when being connected to its outline border in a mesh-type skeleton refractory material pouring layer 22, with
An and full refractory material pouring layer 24 etc..Mesh-type skeleton refractory material pouring layer 22 is by mesh-type skeleton 23 and pours in it
Refractory material in the mesh of mesh skeleton pours the composition of portion 22, and full refractory material pouring layer 24 pours building body structure by refractory material
At.
Its outline border side 25 is cast by stainless steel with mesh-type skeleton 23 and forms integral type, and mesh-type skeleton refractory material pours
The refractory material casting portion of layer is poured with full refractory material pouring layer by corresponding refractory material integrated.
When making, first outline border side and mesh-type skeleton are cast by the mold of corresponding shape with stainless steel integral,
Again with the integral type outline border side cast and mesh-type skeleton be framed and/or skeleton poured with corresponding refractory material to be formed it is molten
Furnace.Its refractory material carrys out stone material for film.The thickness of its mesh-type skeleton refractory material pouring layer and its mesh-type skeleton with
Full refractory material pouring layer is identical.
Its fire door running gear includes the halyard being connected between fire door 21 and fire door driver.Fire door halyard includes
The chain 27 being connect with driver, and in smelting furnace mouth region domain or meet fire door work total travel when（Situation
Under）, positioned at driver sprocket wheel at the fire door side between fire door, be connected to fire door and the steel bar or bar steel of chain 27
Plate 26 is constituted.That is, its halyard by smelting furnace door one end, in the process of running always not with the sprocket wheel of driver be driven
The part of connection is made of steel bar or a steel plate.
Its driver includes driving motor or hydraulic motor 29, connect with driving motor or hydraulic motor transmission, its phase
The sprocket shaft 34 of corresponding sprocket wheel and corresponding tractor are respectively arranged with to both ends.Its driving motor or hydraulic motor 29
And sprocket shaft 34 is set to top or the smelting furnace furnace roof of fire door.
One end of its two chain is connected with one end of corresponding two steel bar or steel plate 26 respectively, steel bar or steel plate 26
The other end is connect by corresponding connection ring with fire door.The other end of two chains is connect with tractor respectively, and tractor includes one
It is oriented to roll shaft 33 and is connected to the gravity falling body of the other end of two chains（Or gravity drop hammer）31.Sprocket shaft 34, which is set to, to be led
Lead device leans on fire door side, and chain is after sprocket wheel is sequentially connected by tractor dragline.
A safeguard protection rope 28 is also associated between fire door and fire door driver, safeguard protection rope is that one end was connected to connection
Ring 32 is connected to fire door, and the other end is connected to the steel wire rope of the sprocket shaft of fire door driver.
Its fire door is filled with its corresponding side using diamond shape skeleton structure, refractory material, and the other side is full refractory material
Scientific and reasonable special construction shape not only has high intensity, but also has special high temperature resistant, high-strength characteristic, and its mesh-type
The mesh form of the mesh-type skeleton of skeleton refractory material pouring layer assumes diamond in shape, and can more obtain better frame construction and stablize
Property, the mechanical strength of fire door can be further increased.
And by using halyard connect with fire door, one side region of fire door in smelting furnace, fire door opens completely
The sprocket wheel in the total travel of rise, in driver is opened with the part between fire door（Corresponding one section）By steel bar or steel plate
It constitutes.With the frame mode reduced or non-activity is hinged, the opposite of the stove gate region because of smelting furnace can be avoided or reduced
Operation more frequently, the temperature influence to the reliability of halyard, safety and service life etc. such as relatively higher, and relative to
The easily appearance of movable connection structure and movable connection method is not present in the full living hinge connection structure of existing chain etc.
Connection reliability problem, not only there is good high temperature resistance, also there is stronger laser intensity and frequent operation to apply
The tolerance of power can increase substantially the service life and security reliability of its entire halyard.
Embodiment 2 as shown in figure 5, the dashpot input port（The delivery outlet in back-flow scrubbing hole 5）It is not provided with pottery
Porcelain screen pack.Remaining structure of this example and corresponding purified treatment mode can be similar with above-described embodiment.
Embodiment 3 is as shown in Figure 6.Its dashpot 2 is connected with a pouring basin 9, and the delivery outlet of dashpot 2 is set to for one to be poured
Note the undercurrent broad mouth type delivery outlet 6 of slot side side wall.Undercurrent broad mouth type delivery outlet is equipped with to be kept off by anti-oxidation isolation block body 7 and deposition
The undercurrent purifier that body 8 is constituted.Undercurrent broad mouth type delivery outlet is its width side corresponding to flow-injection groove（Delivery outlet side）Side
The wide rectangle opening of wall.Anti-oxidation isolation block body 7 and deposition block body 8 are made of the upper and lower side wall of rectangle opening respectively.
Anti-oxidation isolation block body 7 is isolated by dashpot with pouring basin gas phase.Deposit the slightly higher bottom wall for dashpot of block body
Face.Its flow-disturbing purification hole tilts the half-blindness cell-type extended along the input direction of the lower section of input duct and input duct simultaneously for one
Flow-disturbing purification hole 3b.
It pours into a mould conveying control mode method：The liquid level 10 that pouring basin 9 is controlled by control valve 13 is higher than anti-oxidation isolation
The lower face certain altitude of block body 7 carries out the conveying ingot casting of melting liquid.This is highly with the table of the holding pouring basin in casting process
Face can be formed subject to one layer of stable protection film layer.
Its anti-oxidation isolation block body 7 can prevent air from entering in purification tank 2, and to the liquid of purification tank 2 and pouring basin 9
Body plays the role of the residual bubbles of wrapped folder in extraordinary anti-oxidation weak disturbance release metal smelting liquid.It passes through undercurrent wide-mouth
Formula delivery outlet can further purify gas and residue in liquid.Keep melting casting liquid purer.Control valve is set to pouring basin
Bottom wall on, potting syrup is delivered to casting ingot casting from pouring basin outlet at bottom.
The liquid level of control pouring basin floods the lower end of anti-oxidation isolation block body, and the surface of pouring basin melting liquid can be made to have
One layer of stable oxidation film layer, the melting liquid for making to be delivered to mold ingot casting is always surface oxidation film purification liquid below,
Further effectively improve its quality of casting.Depositing block body one can be residual in the precipitation there may be accumulation in dashpot with isolated deposition
Slag impurity, while anti-oxidation isolation block body can be coordinated to implement weak flow-disturbing.Remaining structure of this example and corresponding purified treatment mode
It can be similar with any of the above-described embodiment.
In embodiment 4, as shown in fig. 7, the wall surface undulate shape in its back-flow scrubbing hole, the output in back-flow scrubbing hole 5
Mouth is set on the corresponding wave crest 15 of the wall surface of the wave-like in back-flow scrubbing hole, on the wave crest delivery outlet in back-flow scrubbing hole
It is provided with ceramic filter web plate 4b.The output end of input duct（Output port）Wall surface is provided with inertia current following device 16,
Inertia current following device is by the output port bottom wall of input duct with the original gradient of input duct bottom plate along back-flow scrubbing hole direction
The protrusion for extending protrusion is constituted.Meeting to the side wall surface 14 of shutting off of the input direction side of input duct for its back-flow scrubbing hole is set
It sets and flows to inclined extension reflux wall surface in inverse input duct.It, which plays fluid, expands return flow path to the miscellaneous equipressure of the slag being mingled with
System sedimentation.Remaining structure of this example and corresponding purified treatment mode and any of the above-described embodiment are similar.
In embodiment 5, as shown in figure 8, its inertia current following device by be connected to input duct output port bottom wall, upwarp and incline
The hang plate tiltedly extended is constituted.And the wall surface width phase of the wall surface width and corresponding input duct of its flow-disturbing purification hole 3a
The respective width of wall surface same or more than input duct.Remaining structure of this example and corresponding purified treatment mode with it is any of the above-described
Embodiment is similar.
In embodiment 6, as shown in figure 9, the wall surface undulate shape or small hill shape in back-flow scrubbing hole 5, reflux are net
Change hole delivery outlet be set to the wave-like in its back-flow scrubbing hole or the wall surface of small hill shape by side wall surface 14 1 of shutting off
Top side is leaned on the slope 35 of side.Filter screen orifice plate can be set on the delivery outlet in its back-flow scrubbing hole.It is net from reflux
Change hole be delivered to dashpot or pour mold fluid purification rate it is high.Remaining structure of this example and corresponding purified treatment mode with it is upper
It is similar to state any embodiment.
In embodiment 7, Metal Melting running gate system includes the input duct 1 of the inclined formula connected with corresponding smelting furnace
With dashpot 2 etc..Multiple flow-disturbing purifications hole, dashpot are separately respectively equipped on the bottom wall of input duct 1 along its length
Input port is connected to the output port of input duct 1.2 bottom of dashpot offers the sprue gate for being delivered to cast ingot casting, cast
Mouth is provided with corresponding taper control valve.The spool of taper control valve is tapered.
The outflow side in the corresponding flow-disturbing purification hole of input duct is connected with ceramic toward the inclined self-cleaning of side direction is flowed into
Screen pack.The setting quantity of self-cleaning ceramic filter web plate can be according to melting liquid（Fluid）Quality and degree of purification requirement
To be arranged.One can also be arranged.
In embodiment 8, the width of the upper port in flow-disturbing purification hole is greater than or equal to the bottom width of input duct, is less than
Or the maximum width equal to input duct.Back-flow scrubbing hole 5 and flow-disturbing purification hole bottom are respectively equipped with slag-drip opening.Remaining knot of this example
Structure and corresponding purified treatment mode and any of the above-described embodiment are similar.
In embodiment 9, the width in back-flow scrubbing hole is greater than or equal to the maximum width of input duct.The length in back-flow scrubbing hole
Maximum width of the degree more than or equal to input duct.Back-flow scrubbing hole can be rectangle.The delivery outlet in back-flow scrubbing hole is provided with pottery
Porcelain screen pack, the delivery outlet in back-flow scrubbing hole are higher than the output end wall surface of input duct.Remaining structure of this example and corresponding
Purified treatment mode and any of the above-described embodiment are similar.
Claims (1)
1. a kind of Metal Melting running gate system, includes the stove gate device of casting device and smelting furnace, casting device includes connection
In the input duct of smelting furnace, it is characterized in that the input duct is connected with a dashpot, the stove gate device packet of the smelting furnace
Fire door and fire door running gear are included, the fire door includes outline border side, the mesh-type skeleton fire proofed wood being set in its outline border side
Expect pouring layer and a full refractory material pouring layer, the fire door running gear include be connected to fire door and fire door driver it
Between halyard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821219.6A CN108620570A (en) | 2018-07-24 | 2018-07-24 | Metal Melting running gate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821219.6A CN108620570A (en) | 2018-07-24 | 2018-07-24 | Metal Melting running gate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108620570A true CN108620570A (en) | 2018-10-09 |
Family
ID=63690199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810821219.6A Pending CN108620570A (en) | 2018-07-24 | 2018-07-24 | Metal Melting running gate system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108620570A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496242A (en) * | 2020-05-09 | 2020-08-07 | 南通大学 | Turbulent flow type aluminum alloy melt deslagging and filtering device and using method thereof |
-
2018
- 2018-07-24 CN CN201810821219.6A patent/CN108620570A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496242A (en) * | 2020-05-09 | 2020-08-07 | 南通大学 | Turbulent flow type aluminum alloy melt deslagging and filtering device and using method thereof |
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