CN207066124U - Energy-saving heat preserving stove is used in casting - Google Patents
Energy-saving heat preserving stove is used in casting Download PDFInfo
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- CN207066124U CN207066124U CN201720721908.0U CN201720721908U CN207066124U CN 207066124 U CN207066124 U CN 207066124U CN 201720721908 U CN201720721908 U CN 201720721908U CN 207066124 U CN207066124 U CN 207066124U
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Abstract
The utility model provides a kind of casting energy-saving heat preserving stove, including the liquid feeding groove set gradually according to liquid material flow direction, the first body of heater connected with liquid feeding groove and what is connected with the first body of heater take liquid pool, in addition to：Backflow pool, with taking liquid pool to connect, backflow pool is connected by overflow ducts with the first body of heater, and drawing liquid pump is provided with backflow pool, wherein, liquid material flows into the first body of heater from liquid feeding groove, first body of heater is used to heat liquid material, and the liquid material after heating flows into and takes liquid pool, in the rotation work of drawing liquid pump, then liquid material flows back to the first body of heater by taking liquid pool to be inhaled into backflow pool through overflow ducts.By the technical solution of the utility model, the temperature difference for taking liquid pool and the liquid material in the first body of heater is reduced, the temperature stability and temperature-controllable of liquid material is improved, reduces the impurity in liquid material, and then improves the quality of casting, reduces energy consumption.
Description
Technical field
Metal Melting processing technique field is the utility model is related to, in particular to a kind of casting energy-saving heat preserving stove.
Background technology
In correlation technique, used in aluminium alloy casting holding furnace generally by liquid feeding groove, body of heater and takes liquid pool to form, most of liquid material
Unified supply after being melted by melting furnace, liquid material is added with transhipment bag, liquid material flows into body of heater from liquid feeding groove, after body of heater heating, stream
Enter to take liquid pool, following technological deficiency be present：
(1) take liquid pool exposure in atmosphere, and there is no heating devices heat, when taking the liquid material in liquid pool to be not used, stove
Internal high temperature liquid material, which is difficult to be supplemented in, to be come, and can cause to take the liquid material in liquid pool gradually to cool, solidification is freezed, and reduces the matter of casting
Amount, the normal use of liquid material is influenceed, if will be to taking the liquid material in liquid pool to reheat it is necessary to by manually taking in liquid pool
Low temperature liquid material is transported in liquid feeding groove, and not only labor intensity is big, dangerous high, also add energy consumption.
(2) liquid material temperature in body of heater is detected by the thermocouple set in body of heater, and then controls the power of combustor
Realize that liquid material heats, on the one hand, thermocouple is arranged in body of heater, is influenceed by flame, flue gas and high temperature, fragile, maintenance
It is inconvenient to change, on the other hand, it is difficult to accurately controls the liquid material temperature taken in liquid pool by this thermocouple, is typically appropriate
Improve liquid material temperature in body of heater and carry out supplementary heating and take liquid material temperature in liquid pool, add the energy consumption of heating.
(3) take impurity in liquid pool in liquid material and gas excessive, influence the quality of casting.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, a purpose of the present utility model is to provide a kind of casting energy-saving heat preserving stove.
To achieve these goals, the technical solution of the utility model provides a kind of casting energy-saving heat preserving stove, including
The liquid feeding groove set gradually, the first body of heater connected with liquid feeding groove are flowed to according to liquid material and take liquid with what the first body of heater connected
Pond, in addition to：Backflow pool, with taking liquid pool to connect, backflow pool is connected by overflow ducts with the first body of heater, and the pool wall of backflow pool is high
Degree is provided with drawing liquid pump in backflow pool higher than the pool wall height for taking liquid pool, wherein, liquid material is from liquid feeding groove the first body of heater of inflow, and first
Body of heater is used to heat liquid material, and the liquid material after heating flows into and takes liquid pool, and in drawing liquid pump rotation work, liquid material is by taking liquid pool
Backflow pool is inhaled into, then flows back to the first body of heater through overflow ducts.
In the technical scheme, the liquid material taken in liquid pool connected with backflow pool is extracted by drawing liquid pump and makes backflow pool
After liquid level rise, the liquid material of backflow pool flows back to the first body of heater through overflow ducts and reheated, and takes liquid pool also because liquid level declines, from
First body of heater supplements new liquid material to taking in liquid pool, so as to formed circulate, circulating-heating, on the one hand, reduce and take liquid pool
With the temperature difference of the liquid material in the first body of heater, the temperature stability and controllability of liquid material are improved, is reduced because taking liquid in liquid pool
Material temperature degree casting flaw problem such as a large amount of pin holes, deficient casting, shrinkage porosite caused by reducing, the quality of casting is improved, on the other hand,
Reduce and be manually carried in liquid feeding groove because taking in liquid pool liquid material temperature to reduce again by the generation of the first body of heater heating state,
Labor intensity and energy consumption are reduced, has saved manpower and resource.
Drawing liquid is rotated by drawing liquid pump in backflow pool to work, the liquid material that part is substituted in production process uses, can will
Liquid material is inhaled into backflow pool by being still in take in liquid pool, and the liquid material in liquid pool is taken by actively lasting reduction, and realization takes liquid
Self supplement of liquid material and heating, raising realize the feasibility that liquid material circulates backflow in pond.
In addition, the liquid level of backflow pool is higher than the liquid level of the first body of heater, can so lead under gravity
Cross overflow ducts and overflow back the first body of heater.
Specifically, liquid material is added by liquid feeding groove by transhipment bag, liquid feeding groove is provided with corresponding liquid level scale, liquid feeding
The liquid level of groove is the liquid level of the first body of heater, can be judged by reading the liquid level of liquid feeding groove in the first body of heater
The amount of liquid material, liquid material flow into the first body of heater from liquid feeding groove, and the first body of heater heated and be incubated to liquid material, the liquid material after heating from
The bottom of first body of heater flows into and takes liquid pool, takes the liquid material in liquid pool under the rotation attraction of drawing liquid pump, to be inhaled into backflow pool
Backflow pool, when the liquid level of backflow pool is higher than the liquid level of the first body of heater, liquid material overflows back first by overflow ducts
Body of heater, the liquid material liquid level in liquid pool is taken to decline, the liquid material liquid level in the first body of heater is higher than the liquid material liquid level taken in liquid pool, the first stove
Internal liquid material is automatically replenished under gravity to be taken in liquid pool, and original liquid material taken in liquid pool is supplemented and heat passes
Pass, realize the heating again of the liquid material taken in liquid pool so that take the liquid material temperature stabilization in liquid pool, maintain casting technique requirement
Within the temperature range of, the quality of casting is not only increased, and reduce the energy consumption of heating and insulation.
In any of the above-described technical scheme, it is preferable that take in liquid pool and be provided with temperature control sensor, to control adding for the first body of heater
Thermal power.
In the technical scheme, by setting temperature control sensor in liquid pool taking, to control the heating power of the first body of heater, make
The temperature control in liquid pool must be taken more accurate, preferably meet casting technique requirement, and to take the temperature of liquid material in liquid pool
As the temperature control standard of the first body of heater heating, due to taking liquid pool and the liquid material temperature difference in the first body of heater small, Ke Yi
On the premise of meeting casting technique requirement, the energy consumption of guarantor's mild heat of liquid material in the first body of heater is reduced.
When liquid material is aluminium liquid, takes the temperature in liquid pool to be maintained at 680 DEG C~720 DEG C, taken when temperature control sensor detects
When temperature in liquid pool is less than 680 DEG C, control increases the heating power of the first body of heater, is taken when temperature control sensor detects in liquid pool
Temperature be higher than 720 DEG C, control reduce the first body of heater heating power or close the first body of heater heating operation.
In addition, setting temperature control sensor in liquid pool taking, temperature control sensing is set in the first body of heater relative to of the prior art
Device, temperature control sensor are not also influenceed, no without fire-cureing for body of heater flame and flue gas is subjected to by cleaning furnace body wall waste residue operation
It is fragile, the service life of temperature control sensor is improved, and repair to change and more facilitate, temperature control sensor can also use temperature control heat
Galvanic couple substitutes.
In the above-mentioned technical solutions, it is preferable that also include：Deaeration, between being located at the first body of heater and taking liquid pool, deaeration
Being connected with the bottom of the first body of heater, deaeration is provided with degassing rotor with taking liquid pool to connect, in deaeration, wherein, liquid material is from first
Body of heater flows into deaeration, and when inert gas and rotary work are passed through at the center of degassing rotor, deaeration is used to carry out liquid material
Degasification removes the gred, and the liquid material after degasification slagging-off, which flows into, takes liquid pool.
In the technical scheme, removed by being located at the first body of heater and taking the deaeration between liquid pool to carry out degasification to liquid material
Slag, the impurity such as hydrogen and oxide slag inclusion in liquid material can be effectively removed, reduce casting flaw, improve the quality of casting.
, can be by inertia by being passed through inert gas (nitrogen of such as high-purity) and rotary work at the center of degassing rotor
Gas breaking makes disperse bubble be dispersed in liquid material into substantial amounts of disperse bubble, bubble in liquid material by partial pressure difference and
Adsorption principle, the impurity such as hydrogen, adsorption and oxidation slag inclusion in liquid material is absorbed, and rises with bubble and be carried over liquid material surface,
The degree of purity of liquid material is improved, and then improves the quality of casting.
In any of the above-described technical scheme, it is preferable that degassing rotor is graphite rotator or silicon nitride rotor.
In the technical scheme, using graphite rotator or silicon nitride rotor as degassing rotor, reduce because degassing rotor by
The occurrence of high temperature influences degassing effect difference caused by deforming and increases impurity, graphite rotator is by high-purity high-density graphite
It is made, resistance to elevated temperatures is good, is unlikely to deform, the stable chemical performance of graphite or silicon nitride material, will not be especially living with liquid material
Jump metal such as aluminium liquid chemically reacts, and will not pollute and destroy the chemical composition of liquid material, resistance to elevated temperatures is good, and can improve makes
With the life-span, reduce maintenance and change.
In any of the above-described technical scheme, it is preferable that also include：Pond is stood, between being located at deaeration and taking liquid pool, is stood
Pond is connected with deaeration by first passage, stands pond with taking liquid pool to be connected by second channel, wherein, liquid material is from deaeration stream
Enter and stand pond, stand pond and be used to liquid material is stood and removed the gred, the liquid material after slagging-off flows into and takes liquid pool.
In the technical scheme, because liquid material also has a certain amount of Slag inclusion in itself, the degassing rotor in deaeration is always
In rotation degasification slagging-off so that the Slag inclusion in deaeration in liquid material is constantly in suspended motion state, in deaeration and takes liquid
Set between pond and stand pond, liquid material is first calmed down into before taking liquid pool in standing pond so that the first body of heater and deaeration
The impurity such as the oxide slag inclusion and scum silica frost of interior liquid material can be separated further, purify liquid material, reduce the impurity for entering and taking in liquid pool,
Improve the internal soundness of casting, improve the performance of product.
Specifically, the liquid material after degasification flows into from deaeration and stands pond, in the case where standing the standing effect in pond, in partial impurities
Floating, partial impurities are sunk, the impurity that the impurity and cleaning that periodically salvaging is floated sink, and can improve the degree of purification of liquid material.
In any of the above-described technical scheme, it is preferable that first passage and second channel stagger setting.
In the technical scheme, by first passage and second channel stagger setting, liquid material is extended from deaeration to taking
The distance of liquid pool, adds time of repose, and the liquid material reduced in deaeration takes liquid pool without standing to flow directly into, and further subtracts
Having lacked into the impurity taken in liquid pool, improves the internal soundness of casting, improves the performance of product.
In any of the above-described technical scheme, it is preferable that the first passage be communicated in it is described standing pond middle and lower part, second
Passage is communicated in the middle and upper part for standing pond.
In the technical scheme, due to technologic requirement, slag-cleaning agent periodically put into deaeration and carry out oxidation folder
Slag is cleared up, and can be produced the mixture scum silica frost that more oxide slag inclusion thing is formed with slag-cleaning agent physics and chemical reaction and be swum in liquid level
On, a part of scum silica frost can be rolled into below liquid level by graphite rotator when rotating, so passing through first passage connection and deaeration
Middle and lower part, reduce scum silica frost and enter standing pond, the middle and upper part for standing pond is communicated in by second channel, you can prevent scum silica frost from flowing into and takes
Liquid pool, and can reduces to greatest extent sinks to the impurity for standing pond bottom as liquid material inflow is taken in liquid pool, further reduces
Into the impurity taken in liquid pool, the internal soundness of casting is improved, improves the performance of product.
In any of the above-described technical scheme, it is preferable that also include：Second body of heater, it is located between the first body of heater and liquid feeding groove,
The bottom of second body of heater is connected with the first body of heater by footpath circulation road, and the second body of heater connects with liquid feeding groove, wherein, the second body of heater
Bottom position is higher than the highest liquid level position of the first body of heater, and liquid material flows into the second body of heater from liquid feeding groove, sprays essence in inert gas
When refining agent, the second body of heater is used to carry out liquid material preparatory gas freeing slagging-off, and the liquid material after preparatory gas freeing slagging-off flows into the first body of heater.
In the technical scheme, by setting the second body of heater between the first body of heater and liquid feeding groove, realize to the preliminary of liquid material
Degasification removes the gred, and can further reduce the impurity in the liquid material of actual use, and continues to supplement liquid material into the first body of heater, keeps
First body of heater, deaeration, the liquid level for taking liquid pool etc., it is convenient disposably from the liquid material for taking liquid pool to dip rated capacity, improve casting
The performance for the product made.
Specifically, liquid material flows into the second body of heater from liquid feeding groove, when the liquid material in the second body of heater reaches certain liquid level, uses
Inert gas sprays refining agent into the second body of heater, carries out preliminary degasification and removes Slag treatment, improves the cleanliness factor of liquid material, Ran Houcong
Second bottom of furnace body continues to flow into the first body of heater by footpath circulation road path stream, keeps the liquid material in the circulation road of footpath non-condensing, and
Continue to supplement liquid material into the first body of heater, keep the liquid material in the first body of heater to be constantly in more sufficient state, can also be by liquid
Scum silica frost in material etc. is trapped in the second body of heater, improves the cleanliness factor of liquid material in the first body of heater, and then improve and take liquid material in liquid pool
Cleanliness factor, so as to improve the performance of the product of casting.
In any of the above-described technical scheme, it is preferable that take the bore of liquid pool to be more than the bore of backflow pool, take the bore of liquid pool
More than the bore for standing pond.
In the technical scheme, the bore of liquid pool is taken to be more than the bore of backflow pool so that the decimated next liquid material of drawing liquid pump
Full of backflow pool and the first body of heater can be overflowed back soon, reduce the residence time in backflow pool, reduced thermal loss, take liquid
The bore in pond is more than the bore for standing pond, and purpose is stood simultaneously reaching, and can effectively reduce liquid material when standing the stop in pond
Between, reduce thermal loss.
In any of the above-described technical scheme, it is preferable that drawing liquid pump is graphite impeller pump or silicon nitride vane pump.
In the technical scheme, drawing liquid pump is graphite impeller pump or silicon nitride vane pump, the change of graphite or silicon nitride material
Stable performance is learned, will not be chemically reacted with liquid material, especially Active Metals (such as aluminium liquid), will not pollute and destroy liquid material
Chemical composition, resistance to elevated temperatures is good, can improve service life, reduces maintenance and changes.
Additional aspect and advantage of the present utility model will provide in following description section, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 shows the structural representation of the casting energy-saving heat preserving stove according to one embodiment of the present utility model,
Wherein, the corresponding relation in Fig. 1 between reference and part is：
102 first bodies of heater, 104 liquid feeding grooves, 106 take liquid pool, and 108 backflow pools, 110 overflow ducts, 112 deaerations, 114 is quiet
Put pond, 116 first passages, 118 second channels, 120 second bodies of heater, 122 footpath circulation roads.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
The casting according to embodiment of the present utility model is specifically described with energy-saving heat preserving stove with reference to Fig. 1.
As shown in figure 1, according to the casting of embodiment of the present utility model energy-saving heat preserving stove, including according to liquid material flow direction according to
The liquid feeding groove 104 of secondary setting, the first body of heater 102 connected with liquid feeding groove 104 and take liquid pool with what the first body of heater 102 connected
106, in addition to：Backflow pool 108, with taking liquid pool 106 to connect, backflow pool 108 is connected by overflow ducts 110 and the first body of heater 102
Logical, for the pool wall of backflow pool 108 highly higher than the pool wall height for taking liquid pool 106, backflow pool 108 is interior to be provided with drawing liquid pump, wherein, liquid material
The first body of heater 102 is flowed into from liquid feeding groove 104, the first body of heater 102 is used to heat liquid material, and the liquid material after heating flows into and takes liquid
Pond 106, in drawing liquid pump rotation work, then liquid material is flowed back to by taking liquid pool 106 to be inhaled into backflow pool 108 through overflow ducts 110
First body of heater 102.
In this embodiment, the liquid material taken in liquid pool 106 connected with backflow pool 108 is extracted by drawing liquid pump and makes backflow
After the liquid level rise in pond 108, the liquid material of backflow pool 108 flows back to the first body of heater 102 through overflow ducts 110 and reheated, and takes liquid pool
106, also because liquid level declines, new liquid material are supplemented to taking in liquid pool 106 from the first body of heater 102, are circulated, are followed so as to be formed
Ring heats, on the one hand, reduces the temperature difference for taking the liquid material in the body of heater 102 of liquid pool 106 and first, the temperature for improving liquid material is steady
Qualitative and controllability, reduce because taking the casting such as a large amount of pin holes, deficient casting, shrinkage porosite caused by the reduction of liquid material temperature in liquid pool 106
Defect problem, the quality of casting is improved, on the other hand, reduce and manually carried because taking liquid material temperature reduction in liquid pool 106
Labor intensity and energy consumption are reduced, has been saved manpower by the generation of the heating state of the first body of heater 102 again in liquid feeding groove 104
And resource.
Drawing liquid is rotated by drawing liquid pump in backflow pool 108 to work, the liquid material that part is substituted in production process uses, can be with
Liquid material is inhaled into backflow pool 108 by being still in take in liquid pool 106, the liquid in liquid pool 106 is taken by actively lasting reduction
Material, realize and take self supplement of liquid material and heating, raising in liquid pool 106 to realize the feasibility that liquid material circulates backflow.
In addition, the liquid level of backflow pool 108 is higher than the liquid level of the first body of heater 102, so can be in the work of gravity
With lower the first body of heater 102 is overflowed back by overflow ducts 110.
Specifically, liquid material is added by liquid feeding groove 104 by transhipment bag, liquid feeding groove 104 is provided with corresponding liquid level and carved
Degree, the first body of heater 102, the liquid level of liquid feeding groove 104 is the liquid level of the first body of heater 102, can be by reading liquid feeding groove
104 liquid level judges the amount of liquid material in the first body of heater 102, and liquid material flows into the first body of heater 102 from liquid feeding groove 104, first
Body of heater 102 is heated and is incubated to liquid material, and the liquid material after heating flows into from the bottom of the first body of heater 102 and takes liquid pool 106, takes liquid
Liquid material in pond 106 under the rotation attraction of drawing liquid pump, is inhaled into backflow pool 108, in backflow pool 108 in backflow pool 108
When liquid level is higher than the liquid level of the first body of heater 102, liquid material overflows back the first body of heater 102 by overflow ducts 110, takes liquid
Liquid material liquid level in pond 106 declines, and the liquid material liquid level in the first body of heater 102 is higher than the liquid material liquid level taken in liquid pool 106, the first stove
Liquid material in body 102 is automatically replenished under gravity to be taken in liquid pool 106, and original liquid material taken in liquid pool 106 is mended
Fill and heat transfer, realization take the heating again of the liquid material in liquid pool 106 so that take the liquid material temperature stabilization in liquid pool 106, tie up
Hold within the temperature range of casting technique requirement, not only increase the quality of casting, and reduce the energy consumption of heating and insulation.
In any of the above-described embodiment, it is preferable that take in liquid pool 106 and be provided with temperature control sensor, to control the first body of heater 102
Heating power.
In this embodiment, by setting temperature control sensor taking in liquid pool 106, to control the heating work(of the first body of heater 102
Rate so that take the temperature control in liquid pool 106 more accurate, preferably meet casting technique requirement, and to take in liquid pool 106
The temperature control standard that the temperature of liquid material heats as the first body of heater 102, due to taking the liquid in the body of heater 102 of liquid pool 106 and first
Expect that temperature difference is small, guarantor's mild heat of liquid material in the first body of heater 102 on the premise of casting technique requirement is met, can be reduced
Energy consumption.
When liquid material is aluminium liquid, the temperature in liquid pool 106 is taken to be maintained at 680 DEG C~720 DEG C, when temperature control sensor detects
When taking the temperature in liquid pool 106 less than 680 DEG C, control increases the heating power of the first body of heater 102, when temperature control sensor detects
The temperature in liquid pool 106 is taken to be higher than 720 DEG C, control reduces the heating power of the first body of heater 102 or closed adding for the first body of heater 102
Heat operation.
In addition, setting temperature control sensor taking in liquid pool 106, temperature is set in the first body of heater 102 relative to of the prior art
Sensor is controlled, temperature control sensor is without fire-cureing for body of heater flame and flue gas is subjected to, also not by cleaning furnace body wall waste residue operation
Influence, be hardly damaged, improve the service life of temperature control sensor, and repair to change and more facilitate, temperature control sensor can also
Substituted with temperature control thermocouple.
In the above embodiment, it is preferable that also include：Deaeration 112, be located at the first body of heater 102 with take liquid pool 106 it
Between, deaeration 112 is connected with the bottom of the first body of heater 102, and deaeration 112 is provided with taking liquid pool 106 to connect in deaeration 112
Degassing rotor, wherein, liquid material flows into deaeration 112 from the first body of heater 102, is passed through inert gas at the center of degassing rotor and revolves
Change a job when making, deaeration 112 is used to carry out liquid material degasification slagging-off, and the liquid material after degasification slagging-off, which flows into, takes liquid pool 106.
In this embodiment, by being located at the first body of heater 102 and taking the deaeration 112 between liquid pool 106 to carry out liquid material
Degasification removes the gred, and can effectively remove the impurity such as hydrogen and oxide slag inclusion in liquid material, reduces casting flaw, improves the quality of casting.
, can be by inertia by being passed through inert gas (nitrogen of such as high-purity) and rotary work at the center of degassing rotor
Gas breaking makes disperse bubble be dispersed in liquid material into substantial amounts of disperse bubble, bubble in liquid material by partial pressure difference and
Adsorption principle, the impurity such as hydrogen, adsorption and oxidation slag inclusion in liquid material is absorbed, and rises with bubble and be carried over liquid material surface,
The degree of purity of liquid material is improved, and then improves the quality of casting.
In any of the above-described embodiment, it is preferable that degassing rotor is graphite rotator or silicon nitride rotor.
In this embodiment, using graphite rotator or silicon nitride rotor as degassing rotor, reduce because degassing rotor is by height
Temperature influences the occurrence of degassing effect difference and increase impurity caused by deforming, and graphite rotator is by high-purity high-density graphite system
Into resistance to elevated temperatures is good, is unlikely to deform, the stable chemical performance of graphite or silicon nitride material, will not be especially active with liquid material
Metal such as aluminium liquid chemically reacts, and will not pollute and destroy the chemical composition of liquid material, and resistance to elevated temperatures is good, can improve use
In the life-span, reduce maintenance and change.
In any of the above-described embodiment, it is preferable that also include：Stand pond 114, be located at deaeration 112 and take liquid pool 106 it
Between, stand pond 114 and connected with deaeration 112 by first passage 116, stand pond 114 and take liquid pool 106 to pass through second channel
118 connections, wherein, liquid material flows into from deaeration 112 and stands pond 114, stands pond 114 and is used to liquid material is stood and removed the gred,
Liquid material after slagging-off, which flows into, takes liquid pool 106.
In this embodiment, because liquid material also has a certain amount of Slag inclusion in itself, the degassing rotor in deaeration 112 is always
In rotation degasification slagging-off so that the Slag inclusion in deaeration 112 in liquid material is constantly in suspended motion state, in deaeration 112
Pond 114 is stood with taking to set between liquid pool 106, liquid material is first calmed down standing in pond 114 entering to take before liquid pool 106, makes
Obtaining the impurity such as the first body of heater 102 and the oxide slag inclusion of the liquid material in deaeration 112 and scum silica frost can further separate, scavenging solution
Material, the impurity for entering and taking in liquid pool 106 is reduced, improve the internal soundness of casting, improve the performance of product.
Specifically, the liquid material after degasification flows into from deaeration 112 and stands pond 114, in the case where standing the standing effect in pond 114,
Partial impurities are floated, and partial impurities are sunk, and the impurity that the impurity and cleaning that periodically salvaging is floated sink, can improve the net of liquid material
Change degree.
In any of the above-described embodiment, it is preferable that first passage 116 and the stagger setting of second channel 118.
In this embodiment, by first passage 116 and the stagger setting of second channel 118, liquid material is extended from deaeration
112, to the distance for taking liquid pool 106, add time of repose, the liquid material reduced in deaeration 112 takes without standing to flow directly into
Liquid pool 106, the internal soundness for into the impurity taken in liquid pool 106, improving casting is further reduced, improve the property of product
Energy.
In any of the above-described embodiment, it is preferable that first passage 116 is communicated in the middle and lower part for standing pond 114, second channel
118 are communicated in the middle and upper part for standing pond 114.
In this embodiment, due to technologic requirement, slag-cleaning agent periodically put into deaeration 112 and carries out oxidation folder
Slag is cleared up, and can be produced the mixture scum silica frost that more oxide slag inclusion thing is formed with slag-cleaning agent physics and chemical reaction and be swum in liquid level
On, a part of scum silica frost can be rolled into below liquid level by graphite rotator when rotating, so being connected by first passage 116 and deaeration
112 middle and lower part, reduce scum silica frost and enter standing pond 114, the middle and upper part for standing pond 114 is communicated in by second channel 118, you can
Prevent scum silica frost from flowing into and take liquid pool 106, and can reduces to greatest extent sinks to the impurity for standing the bottom of pond 114 as liquid material inflow takes
In liquid pool 106, further reduce into the impurity taken in liquid pool 106, improve the internal soundness of casting, improve product
Performance.
In any of the above-described embodiment, it is preferable that also include：Second body of heater 120, it is located at the first body of heater 102 and liquid feeding groove
Between 104, the bottom of the second body of heater 120 is connected with the first body of heater 102 by footpath circulation road 122, the second body of heater 120 and liquid feeding groove
104 connections, wherein, the bottom position of the second body of heater 120 is higher than the highest liquid level position of the first body of heater 102, and liquid material is from liquid feeding groove
104 flow into the second body of heater 120, and when inert gas sprays refining agent, the second body of heater 120 is used to remove liquid material progress preparatory gas freeing
Slag, the liquid material after preparatory gas freeing slagging-off flow into the first body of heater 102.
In this embodiment, by setting the second body of heater 120 between the first body of heater 102 and liquid feeding groove 104, realize to liquid material
Preparatory gas freeing slagging-off, can further reduce the impurity in the liquid material of actual use, and continue to supplement into the first body of heater 102
Liquid material, keeps the first body of heater 102, deaeration 112, the liquid level for taking liquid pool 106 etc., convenient disposably from taking liquid pool 106 to scoop
The liquid material of rated capacity is taken, improves the performance of the product of casting.
Specifically, liquid material flows into the second body of heater 120 from liquid feeding groove 104, when the liquid material in the second body of heater 120 reaches certain
During liquid level, refining agent is sprayed into the second body of heater 120 with inert gas, preliminary degasification is carried out and removes Slag treatment, improve liquid material
Cleanliness factor, the first body of heater 102 then is continued to flow into from the bottom of the second body of heater 120 by 122 small runoff of footpath circulation road, keeps runoff
Liquid material in passage 122 is non-condensing, and continues to supplement liquid material into the first body of heater 102, keeps the liquid material one in the first body of heater 102
More sufficient state directly is in, scum silica frost in liquid material etc. can also be trapped in the second body of heater 120, improves the first body of heater 102
The cleanliness factor of interior liquid material, and then the cleanliness factor for taking liquid material in liquid pool 106 is improved, so as to improve the performance of the product of casting.
In any of the above-described embodiment, it is preferable that take the bore of liquid pool 106 to be more than the bore of backflow pool 108, take liquid pool
106 bore is more than the bore for standing pond 114.
In this embodiment, take liquid pool 106 bore be more than backflow pool 108 bore so that drawing liquid pump it is decimated come
Liquid material full of backflow pool 108 and can overflow back the first body of heater 102 soon, reduce the residence time in backflow pool 108, reduce
Thermal loss, take the bore of liquid pool 106 to be more than the bore for standing pond 114, while standing purpose is reached, can effectively reduce
Liquid material is standing the residence time in pond 114, reduces thermal loss.
In any of the above-described embodiment, it is preferable that drawing liquid pump is graphite impeller pump or silicon nitride vane pump.
In this embodiment, drawing liquid pump is the chemistry of graphite impeller pump or silicon nitride vane pump, graphite or silicon nitride material
Stable performance, it will not chemically react with liquid material, especially Active Metals (such as aluminium liquid), will not pollute and destroy liquid material
Chemical composition, resistance to elevated temperatures is good, can improve service life, reduces maintenance and changes.
Embodiment
As shown in figure 1, after adding liquid material in the liquid feeding groove 104, liquid material flows into the second body of heater 120 from liquid feeding groove 104, the
After liquid material in two bodies of heater 120 reaches certain liquid level, refining agent is loaded in duster and connects inert gas sprinkling refining
Agent, preparatory gas freeing slag removal and purification processing is carried out to liquid material, the liquid material after the processing of preparatory gas freeing slag removal and purification is from the bottom of the second body of heater 120
Portion is heated in the first body of heater 102 by lasting the first body of heater of inflow 102 of footpath circulation road path stream, and the liquid material after heating is from
One body of heater 102 flows into deaeration 112, is passed through inert gas by the degassing rotor in deaeration 112, further liquid material is entered
Row degasification removes the gred, and the liquid material after degasification slagging-off is flowed into from deaeration 112 by first passage 116 stands pond 114, is standing pond
Stood in 114 so that the impurity such as scum silica frost in liquid material can be separated further, and the liquid material stood in pond 114 passes through second channel
118 inflows take liquid pool 106, take a liquid material part for liquid pool 106 to be drawn cast article, another part is then in backflow pool 108
It is inhaled under suction caused by drawing liquid pump rotation in backflow pool 108, the liquid in backflow pool 108 passes through overflow ducts 110
Flow back in the first body of heater 102, reheat, the first body of heater 102 for making, deaeration 112, stand pond 114, take liquid pool 106 and return
Stream pond 108 liquid material form one circulate, hydronic passage, to take the liquid material in liquid pool 106 and first
The temperature difference of liquid material in body of heater 102 is little, reduces the energy consumption of heating, improves the stability for taking liquid material temperature in liquid pool 106.
The technical solution of the utility model is described in detail above in association with accompanying drawing, the utility model proposes one kind casting to use
Energy-saving heat preserving stove, pass through the backflow pool with taking liquid pool to connect so that liquid material flows back to the first body of heater by overflow ducts, adds again
Heat, the temperature difference for taking liquid pool and the liquid material in the first body of heater is reduced, improve the temperature stability and controllability of liquid material, reduced
The impurity of liquid material, and then improve the quality of casting, reduce energy consumption.
In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that
Instruction implies relative importance；Term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, can also
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, and can also be indirectly connected by intermediary.It is right
For one of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", "front", "rear" etc. refer to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or unit of instruction or hint meaning there must be specific direction, with specific azimuth configuration
And operation, it is thus impossible to be interpreted as to limitation of the present utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. energy-saving heat preserving stove use in one kind casting, including the liquid feeding groove set gradually is flowed to according to liquid material, is connected with the liquid feeding groove
The first body of heater and take liquid pool with what first body of heater connected, it is characterised in that also include：
Backflow pool, liquid pool is taken to connect with described, the backflow pool is connected by overflow ducts with first body of heater, the backflow
For the pool wall in pond highly higher than the pool wall height for taking liquid pool, the backflow pool is interior to be provided with drawing liquid pump,
Wherein, liquid material flows into first body of heater from the liquid feeding groove, and first body of heater is used to heat the liquid material,
The liquid material after heating takes liquid pool described in flowing into, and in the drawing liquid pump rotation work, the liquid material takes liquid pool quilt by described
The backflow pool is sucked, then flows back to first body of heater through the overflow ducts.
2. energy-saving heat preserving stove is used in casting according to claim 1, it is characterised in that
Described take in liquid pool is provided with temperature control sensor, to control the heating power of first body of heater.
3. energy-saving heat preserving stove is used in casting according to claim 1, it is characterised in that is also included：
Deaeration, be located at first body of heater and it is described take liquid pool between, the bottom of the deaeration and first body of heater connects
Logical, the deaeration takes liquid pool to connect with described, and degassing rotor is provided with the deaeration,
Wherein, the liquid material flows into the deaeration from first body of heater, and indifferent gas is passed through at the center of the degassing rotor
When body and rotary work, the deaeration is used to carry out the liquid material degasification slagging-off, and the liquid material after degasification slagging-off flows into
It is described to take liquid pool.
4. energy-saving heat preserving stove is used in casting according to claim 3, it is characterised in that
The degassing rotor is graphite rotator or silicon nitride rotor.
5. energy-saving heat preserving stove is used in casting according to claim 3, it is characterised in that is also included：
Stand pond, be located at the deaeration and it is described take liquid pool between, standing pond and the deaeration pass through first passage
Connection, the standing pond take liquid pool to be connected by second channel with described,
Wherein, the liquid material flows into the standing pond from the deaeration, and the standing pond is used to stand the liquid material
And remove the gred, take liquid pool described in the liquid material inflow after slagging-off.
6. energy-saving heat preserving stove is used in casting according to claim 5, it is characterised in that
The first passage and the second channel stagger setting.
7. energy-saving heat preserving stove is used in casting according to claim 6, it is characterised in that
The first passage is communicated in the middle and lower part in the standing pond, and the second channel is communicated in described stand in pond
Portion.
8. energy-saving heat preserving stove is used in casting according to claim 1, it is characterised in that is also included：
Second body of heater, it is located between first body of heater and the liquid feeding groove, the bottom of second body of heater and first stove
Body is connected by footpath circulation road, and second body of heater connects with the liquid feeding groove, wherein, the bottom position of second body of heater is high
In the highest liquid level position of first body of heater, the liquid material flows into second body of heater from the liquid feeding groove, in inert gas
When spraying refining agent, second body of heater is used to carry out the liquid material preparatory gas freeing slagging-off, described after preparatory gas freeing slagging-off
Liquid material flows into first body of heater.
9. energy-saving heat preserving stove is used in casting according to claim 5, it is characterised in that
The bore for taking liquid pool is more than the bore of the backflow pool, and the bore for taking liquid pool is more than the mouth in the standing pond
Footpath.
10. energy-saving heat preserving stove is used in casting according to claim 1, it is characterised in that
The drawing liquid pump is graphite impeller pump or silicon nitride vane pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720721908.0U CN207066124U (en) | 2017-06-20 | 2017-06-20 | Energy-saving heat preserving stove is used in casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720721908.0U CN207066124U (en) | 2017-06-20 | 2017-06-20 | Energy-saving heat preserving stove is used in casting |
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| Publication Number | Publication Date |
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| CN207066124U true CN207066124U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218812A (en) * | 2017-06-20 | 2017-09-29 | 浙江今飞凯达轮毂股份有限公司 | Energy-saving heat preserving stove is used in casting |
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2017
- 2017-06-20 CN CN201720721908.0U patent/CN207066124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218812A (en) * | 2017-06-20 | 2017-09-29 | 浙江今飞凯达轮毂股份有限公司 | Energy-saving heat preserving stove is used in casting |
| CN107218812B (en) * | 2017-06-20 | 2023-05-23 | 浙江今飞凯达轮毂股份有限公司 | Energy-saving heat preservation furnace for casting |
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