CN107008853A - Cavityless casting molding sand continous way cooling treatment method - Google Patents
Cavityless casting molding sand continous way cooling treatment method Download PDFInfo
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- CN107008853A CN107008853A CN201710279097.8A CN201710279097A CN107008853A CN 107008853 A CN107008853 A CN 107008853A CN 201710279097 A CN201710279097 A CN 201710279097A CN 107008853 A CN107008853 A CN 107008853A
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- Prior art keywords
- heat exchange
- exchange container
- molding sand
- heat
- pipeline
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- 239000003110 molding sand Substances 0.000 title claims abstract description 122
- 238000001816 cooling Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005266 casting Methods 0.000 title claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 96
- 238000012545 processing Methods 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims description 84
- 239000004576 sand Substances 0.000 claims description 71
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 claims description 70
- 238000012546 transfer Methods 0.000 claims description 47
- 239000011229 interlayer Substances 0.000 claims description 44
- 229910052782 aluminium Inorganic materials 0.000 claims description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 30
- 230000007306 turnover Effects 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 24
- 239000004744 fabric Substances 0.000 claims description 18
- 238000005453 pelletization Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 238000010114 lost-foam casting Methods 0.000 claims description 5
- 208000002925 dental caries Diseases 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 44
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000005457 optimization Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000010410 dusting Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- RNFNDJAIBTYOQL-UHFFFAOYSA-N chloral hydrate Chemical compound OC(O)C(Cl)(Cl)Cl RNFNDJAIBTYOQL-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010115 full-mold casting Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses a kind of cavityless casting molding sand continous way cooling treatment method, molding sand is allowed to enter the cooling step in heat exchange container with heat exchanging fluid pipeline progress Hot swapping mode including using, its feature is, the heat exchange container of two series connection is set, precooling is carried out to the molding sand of entrance by first heat exchange container, then the molding sand after precooling is led into second heat exchange container again and carries out heat exchange cooling, realize the continuous coo1ing processing of molding sand.The present invention, which has, implements simple, can realize the continuous coo1ing processing to molding sand, molding sand cooling effect and the excellent advantage of cooling effectiveness.
Description
Technical field
The present invention relates to lost foam casting apparatus field, specifically a kind of full mold casting for the hot sand processing of evaporative pattern molding sand
Make with molding sand continous way cooling treatment method.
Background technology
Lost foam casting（Also known as cavityless casting）Being will be similar to casting dimension shapeParaffinOr bubbles model bonding group
Synthetic model cluster, is brushedFireproof coatingAnd after drying, be embedded in dryQuartz sandMiddle vibration molding, is poured into a mould under negative pressure, makes model gas
Change, liquid metals occupies modal position, is formed after solidification coolingCastingNovel casting method.The technique is without modulus, nothing point
Type face, without core, thus casting does not have overlap, burr and pattern draft, and reduces due to the size that core is combined and is caused
Error.Therefore, over nearly 20 yearsTechnology of EPCRapid development has been obtained in worldwide.
On disappearance foundry production line, casting model powder needs treated by broken, screening and cooling etc. after being peeled off from casting embryo
Journey sends leading portion molding procedure back to.Hot sand after wherein casting is very high due to temperature, therefore how rapidly to carry out cooling treatment
It is the key for improving casting efficiency to come into operation again.
The existing casting model powder type of cooling, there is following several, and a kind of is that hot sand is placed on into specified place using most traditional
Temperature fall is cooled down, and very slow and occupied ground is larger in the presence of cooling for this mode, it is difficult to the defect such as management, substantially superseded.
Two are cooled down by boiling cooling bed, but it is higher to there is equipment cost, the defect such as need follow-up after-treatment waste gas more.Three
It is the most commonly used by the way of heat exchanger is cooled down, in the existing general heat exchanger type of cooling, due to water
Specific heat capacity is larger, therefore is usually, as circulatory mediator, to realize that recirculated water cooling heat exchange is handled using cooling water.Such as ZL
201610715605.8 a kind of once disclosed lost foam production line sand quickly cooling device；A kind of once disclosed moldings that disappear of ZL
Sand cooling device is made, this cooling technology by the way of circulating water is belonged to.
But this common recirculated water cooling heat exchange processing mode, equally exists that occupied ground is more, and labor strength is big,
Environmental pollution is serious, and climate influences the defect such as larger.More more hot area（Such as where applicant Chongqing
Area）Summer water temperature it is higher when, due to cooling water Hot swapping cause temperature raise after, it is difficult to fast cooling Posterior circle utilize,
Cause to occur that cooling effectiveness is lower, time-consuming for system, high energy consumption, the big defect of running noises；So that sand handling process deposits sand amount
Greatly, if separately larger using circulating water cooling equipment volume and floor space.
Therefore the height of cooldown rate governs the operation level of whole sand handling process and equipment；For people in the art
Member is necessary to research and develop a kind of cooling effect more excellent, and molding sand cooling effectiveness is high, is influenceed small by seasonal temperature, uses more stable, adapts to
The hot sand treatment technology of the more preferable evaporative pattern of environment temperature.
In order to solve the above problems, applicant considers to devise a kind of lost pattern sand cooling treatment system, including mould turnover
Machine and heat-exchanger rig, heat-exchanger rig include a heat exchange container, and heat exchange container is internally provided with the fluid heat transfer for heat exchange
Pipeline, the heat exchanging fluid that heat exchanging fluid pipeline is connected and supplied in it with the heat exchanging fluid cooling device being arranged at outside heat exchange container is followed
Circulation is moved, turnover machine mould turnover direction side and the linking of heat exchange container upper end sand inlet, is provided with and is taken out of in the middle part of heat exchange container lower end
The sand export of sand switch valve；Its feature is that the heat exchanging fluid in the heat exchanging fluid pipeline is gaseous refrigerant, the heat exchange
Fluid cooling device includes the compressor of air conditioner and A/C evaporator of series connection, and compressor of air conditioner is used for gaseous refrigerant boil down to
Liquid, A/C evaporator is used for the gaseous state that the refrigerant of liquid is converted into low temperature.
So using gaseous refrigerant as heat exchanging fluid, the mode phase of the mode of this air cooling and existing conventional water cooling
Than gaseous refrigerant rapidly can cool and take away by compressor of air conditioner and A/C evaporator in heat exchanging fluid cooling device
Heat, can fast cooling Posterior circle utilize, drastically increase heat exchange efficiency, so, and using cooling water as changing
The water-cooling pattern of hot fluid is compared, and the cooling of heat exchanging fluid is influenceed smaller by temperature.It is set to be particularly suitable for being difficult to soon in cooling water
The high temperature area of prompt drop temperature processing is used.
But wherein, also need to consider, when pending molding sand is more and needs continuous processing, how to better ensure that raising is cold
But the problem for the treatment of effect.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How a kind of implementation letter is provided
It is single, the continuous coo1ing processing to molding sand can be realized, the cavityless casting molding sand continous way of molding sand cooling effect and efficiency is improved
Cooling treatment method.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of cavityless casting molding sand continous way cooling treatment method, including flowed using allowing molding sand to enter in heat exchange container and exchange heat
Body pipeline carries out the cooling step of Hot swapping mode, it is characterised in that sets the heat exchange container of two series connection, is changed by first
Heat container carries out precooling to the molding sand of entrance, and the molding sand after precooling then is led into second heat exchange container again, and to carry out heat exchange cold
But, the continuous coo1ing processing of molding sand is realized.
So, by two heat exchange containers of series connection, cooling effect is greatly enhanced, the continuous processing to molding sand is realized,
Improve cooling treatment efficiency.It is particularly suitable for molding sand treating capacity less, but needs the condition of production of continuous processing.
As optimization, molding sand is before pre- colod-application heat exchange container is entered, and first experience is by the dedusting for vibrating dust removal combined system
The step of preliminary precooling and dedusting, is realized in cover suction.
So, heat, and dedusting are tentatively first taken away by distinguished and admirable suction by dust excluding hood, improved to molding sand cooling effect.
As optimization, this method is realized using following molding sand continous way cooling system, the molding sand continous way cooling system
System, including turnover machine and heat exchange container, heat exchange container are internally provided with the fluid heat transfer pipeline for heat exchange, heat exchanging fluid pipe
The heat exchanging fluid that road is connected and supplied in it with the heat exchanging fluid cooling device being arranged at outside heat exchange container is circulated, heat exchange container
Band is provided with the middle part of lower end to shake out the sand export of switch valve；Hold characterized in that, heat exchange container includes a pre- colod-application heat exchange
Device and the heat exchange container of a cooling, turnover machine mould turnover direction side and pre- colod-application heat exchange container upper end sand inlet linking,
Pre- colod-application heat exchange container lower end sand export side is additionally provided with the bypass of outer end obliquely and goes out sandpipe, bypasses out sandpipe and cooling
Heat exchange container upper end sand inlet linking, the heat exchange container lower end sand export of cooling is used to shake out to lost foam casting case
Car；After heat exchanging fluid pipeline in pre- colod-application heat exchange container and the heat exchanging fluid pipeline communication in the heat exchange container of cooling again
Connected with the circulation of heat exchanging fluid cooling device.
So, two sets of heat exchange containers arranged side by side are employed in heat-exchanger rig to be used in series, one is realized precooling, a realization
Cooling, can realize the continuous coo1ing processing to hot sand, and drastically increase cooling effect and cooling treatment efficiency.
Molding sand continous way cooling system, in addition to dust pelletizing system, dust pelletizing system include being arranged at the dust excluding hood of dedusting position,
And and the dedusting fan that is connected with dust excluding hood, dust pelletizing system also includes the dust removing tube being communicated between dust excluding hood and dedusting fan
Road, cleaning shaft includes the dust-collecting and heat exchanging pipeline being arranged in heat exchange container inner chamber.
So, the distinguished and admirable pipeline of dust pelletizing system is set and is partly into formation dust-collecting and heat exchanging pipeline in heat exchange container,
Heat exchange can be carried out using dust-collecting and heat exchanging pipeline and molding sand, one is taken away with distinguished and admirable by the dedusting inside dust-collecting and heat exchanging pipeline
The heat of tap sand, therefore compared with existing heat-exchanger rig, on the premise of not increasing additional heat exchange device power, both realized and removed
Dirt, make use of dust pelletizing system to improve heat exchange efficiency, cleaning shaft reaches the double effectses of dedusting and cooling again, therefore greatly
Improve the cooling effect that exchanged heat to molding sand.
In molding sand continous way cooling system, a vibrating transportation is correspondingly arranged on positioned at the side in turnover machine mould turnover direction
Machine, jigging conveyer outlet and the linking of heat exchange container upper end sand inlet, dust excluding hood include being correspondingly arranged above jigging conveyer
Conveyer dust excluding hood.Specifically, jigging conveyer includes an angularly disposed delivery chute component, delivery chute component upper end
It is arranged on a side-lower in turnover machine mould turnover direction, delivery chute component and is provided with vibrator, delivery chute member lower is outlet,
The covering of conveyer dust excluding hood is arranged on above delivery chute component.
So, molding sand is poured into jigging conveyer by turnover machine mould turnover, is existed by the delivery chute component of jigging conveyer
The conveying to molding sand is realized during vibration so that in vibration processes, the partial heat and dust that molding sand is mingled with can be upper well
Wind-force in the conveyer dust excluding hood of side is siphoned away, and is reached rough dusting and is taken away the effect of heat.Jigging conveyer is using vibration
Mode convey molding sand, the dust excluding hood for coordinating top to set enables to the dust being mingled with during vibration in molding sand to be gone out by shake
And taken away by distinguished and admirable, improve dust removing effects.
It is located at adjacent below the sand inlet of upper end as optimization, in heat exchange container inner chamber and is horizontally arranged with vibration along inner chamber
Material screen, it is the heat transfer space for being provided with fluid heat transfer pipeline and dust-collecting and heat exchanging pipeline to vibrate below equal material screen.
So, it can improve the uniformity of knockout distribution to improve heat transfer effect by equal material screen vibrating shakeout is vibrated.
As optimization, vibrating equal material screen includes being transversely mounted in the middle part of heat exchange container inner chamber the curved arc that raises up
Shape screen cloth, in addition to the shaker screen on screen cloth；It is located in the heat exchange container inner chamber inside at the sand inlet of upper end
Be extended have a tubular enter sand cylinder, enter sand cylinder obliquely and export just top in the middle part of curved screen is set.
So so that enter sand cylinder knockout to screen cloth, sand is left out by mistake under during molding sand slides in the middle part of screen cloth to surrounding,
Preferably it is beneficial to improve the uniformity that knockout is distributed in the horizontal direction, preferably to improve heat transfer effect.
As optimization, heat exchange container inner chamber upper end is additionally provided with heat exchange container dust excluding hood, and heat exchange container dust excluding hood upper end leads to
Piping is connected in cleaning shaft.
So, heat exchange container dust excluding hood, which can be exchanged, produces upward distinguished and admirable suction inside heat container so that heat exchange container
Interior knockout with fluid heat transfer pipeline and dust-collecting and heat exchanging pipeline while being exchanged heat, by distinguished and admirable up band from the bottom up
Heat is walked, multiple heat transfer effect is realized, heat exchange efficiency is improved；In addition, upward wind can be relied on during knockout drops
Stream enables tiny dust in molding sand preferably to be taken away by distinguished and admirable, realizes molding sand type selecting effect, molding sand subsequently without entering again
The processing of the type selectings such as row cleaning, drying, improves molding sand processing whole efficiency.When it is implemented, heat exchange container dust excluding hood is covered in screen cloth
Top, the upward distinguished and admirable suction that such heat exchange container dust excluding hood is produced will preferably can be shaken on screen cloth upwards through screen cloth
Molding sand in the dust that is mingled with take away, improve molding sand dust removing effects, while vibration that can also be preferably with screen cloth coordinates, improve
Uniform effect of the molding sand on screen cloth, preferably improves the uniformity that molding sand falls, and then preferably improves molding sand in heat exchange appearance
Heat transfer effect in device inner chamber.
As optimization, the left and right sides of heat exchange container is each provided with a dedusting interlayer cavity, two dedusting interlayers
Many spaced dust-collecting and heat exchanging pipelines arranged side by side are provided with and communicated between cavity, two dedusting interlayer cavitys each outwards connect
Pass in cleaning shaft；The left and right sides of heat exchange container is also each provided with a heat exchanging fluid interlayer cavity, two heat exchanging fluids
Many spaced fluid heat transfer pipelines arranged side by side are provided with and communicated between interlayer cavity, two heat exchanging fluid interlayer cavitys are each
Outwards pass through pipeline communication to heat exchanging fluid cooling device.
So, the structure can be realized well carries out distinguished and admirable be incorporated into heat exchange container inner chamber of dust pelletizing system
Exchange heat to improve the heat exchanger effectiveness of molding sand.Specifically, the left and right sides of heat exchange container is each provided with a dedusting interlayer
Cavity, dedusting air-flow is entered in heat exchange container inner chamber by dedusting with interlayer cavity and then through excessive dirt heat exchange pipeline of eradicating
Exchanged heat；With reference to the heat exchange of many fluid heat transfer pipelines, changing for the molding sand that is dropped in heat exchanging container intracavity is greatly enhanced
Thermal effect.
Further, heat exchange container horizontal cross-section is rectangle, is so more favorable for each interlayer cavity and dust-collecting and heat exchanging pipe
The arrangement in road and fluid heat transfer pipeline, improves space efficiency utilization.
As optimization, dedusting is located on the outside of heat exchanging fluid interlayer cavity with interlayer cavity, and dedusting is with the middle part of interlayer cavity
Each outwards it is communicated to by one in the plenum chamber of outside taper type in cleaning shaft.
So, the plenum chamber of setting causes dedusting distinguished and admirable can lean on to be entered after plenum chamber rectification in dust-collecting and heat exchanging pipeline,
Pneumatic noise is reduced, while being settled beneficial to dust of the dedusting in distinguished and admirable in plenum chamber and dedusting with convergence in interlayer cavity, profit
In the follow-up air-flow velocity of raising.Dedusting, which is arranged at outside with interlayer cavity, can conveniently set its interior laying dust of cleaning.
Further, dedusting offers dedusting cleaning door with lower end on the outside of interlayer cavity, is easy to open cleaning dust.
Further, the heat exchanging fluid interlayer cavity upper end of heat exchange container side is outwards connected and connected by upward pipeline
Heat exchanging fluid cooling device is connected to, the heat exchanging fluid interlayer cavity lower end of heat exchange container opposite side is outwards connected by downward pipeline
Go out and be connected to heat exchanging fluid cooling device.The connection of pipeline is so facilitated to install, while the entirety beneficial to heat exchanging fluid is circulated
Flowing.
As optimization, the dust-collecting and heat exchanging pipeline is and distinguished and admirable inside direction diagonally downward and pipeline to be in tilted layout
Flow direction is consistent.
So, can prevent it is distinguished and admirable in the dust that is mingled with accumulated in dust-collecting and heat exchanging pipeline and cause blocking or reduction dedusting
Distinguished and admirable flow velocity.
Further, the dust-collecting and heat exchanging pipeline and fluid heat transfer pipeline are along level arranged, and each in rows
It is correspondingly arranged to be multiple rows of, the fluid heat transfer pipeline edge direction opposite with dust-collecting and heat exchanging pipeline along the arrangement of short transverse uniform intervals
It is in tilted layout to be formed staggeredly, and it is intervening portion often to exclude dirt heat exchange pipeline and fluid heat transfer pipeline centre position.So, pipeline
Being in tilted layout can avoid knockout from being accumulated in pipeline external surface, while the pipeline of alternating inclinations arrangement can also avoid guiding from falling
Sand is migrated toward same direction, therefore can better ensure that the uniformity that molding sand falls in heat exchange container, preferably to improve heat
Exchange efficiency.
As optimization, the dust-collecting and heat exchanging pipeline and fluid heat transfer pipeline external surface are each arranged at intervals with aluminum fin-stock.
It so can preferably improve the heat exchanger effectiveness with knockout.
Further, the aluminum fin-stock of dust-collecting and heat exchanging pipeline and fluid heat transfer pipeline external surface each along pipeline front and rear sides to
Outer lug is formed and is obliquely installed in the same direction with pipeline（During specific implementation aluminum fin-stock angle of inclination be more than place pipeline angle of inclination with
Slid beneficial to molding sand）, often eradicate dirt heat exchange pipeline aluminum fin-stock correspondence staggeredly fluid heat transfer pipeline on have vertically it is right
The aluminum fin-stock answered, and vertical projection and the corresponding layer fluid heat exchange pipeline of the aluminum fin-stock lower half of each dust-collecting and heat exchanging pipeline
On aluminum fin-stock lower half vertical projection have one coincidence part.So aluminum fin-stock prolong fore-and-aft direction be extended can
Heat exchanger effectiveness is also improved to improve its effect of contact with the molding sand that drops, while corresponding aluminum fin-stock is perpendicular on adjacent pipeline
Dislocation overlapping is arranged upwards so that it is corresponding that the molding sand slid on the aluminum fin-stock of each dust-collecting and heat exchanging pipeline can drop to lower section
Aluminum fin-stock surface on fluid heat transfer pipeline, and then enable molding sand to form the left successively of class zigzag in heat exchange container inner chamber
Right deflecting interlocks whereabouts.So, residence time of the molding sand in heat exchange container is dramatically improved, also high degree raising type
The contact heat-exchanging efficiency of sand and aluminum fin-stock so that molding sand heat exchange cooling effect is greatly improved.
In summary, the present invention, which has, implements simple, can realize the continuous coo1ing processing to molding sand, molding sand cooling effect
The excellent advantage with cooling effectiveness.
Brief description of the drawings
When Fig. 1 is implemented for a kind of present invention, the structural representation of the molding sand continous way cooling system of use.
Fig. 2 is the structural representation of display portion aluminum fin-stock in the structural representation of an independent heat exchange container in Fig. 1, figure.
Fig. 3 is Fig. 2 horizontal cross, and aluminum fin-stock structure is not shown in figure.
Fig. 4 is individually display molding sand slides the schematic diagram of process between aluminum fin-stock in Fig. 1.
Embodiment
When implementing with reference to a kind of present invention, the molding sand continous way cooling system and its accompanying drawing of use the present invention is made into
The detailed description of one step.
A kind of cavityless casting molding sand continous way cooling treatment method, including changed using allowing molding sand to enter heat exchange container neutralization
Hot fluid pipeline carries out the cooling step of Hot swapping mode, and its feature is, the heat exchange container of two series connection is set, by first
Individual heat exchange container carries out precooling to the molding sand of entrance, and the molding sand after precooling then is led into second heat exchange container again and exchanged heat
Cooling, realizes the continuous coo1ing processing of molding sand.
So, by two heat exchange containers of series connection, cooling effect is greatly enhanced, the continuous processing to molding sand is realized,
Improve cooling treatment efficiency.It is particularly suitable for molding sand treating capacity less, but needs the condition of production of continuous processing.
In present embodiment, molding sand is before pre- colod-application heat exchange container is entered, and first experience is by the dust removal combined system of vibration
The step of preliminary precooling and dedusting, is realized in dust excluding hood suction.So, heat is tentatively first taken away by distinguished and admirable suction by dust excluding hood, and
Dedusting, is improved to molding sand cooling effect.
Present embodiment, can be realized, the system includes using molding sand continous way cooling system as Figure 1-4
Turnover machine 1 and heat-exchanger rig, heat-exchanger rig include a heat exchange container 2, and heat exchange container 2 is internally provided with the stream for heat exchange
Body heat exchange pipeline 3, heat exchanging fluid pipeline 3 and the heat exchanging fluid cooling device 4 being arranged at outside heat exchange container 2 are connected and in it
Heat exchanging fluid is circulated, the mould turnover direction side of turnover machine 1 and the upper end sand inlet linking of heat exchange container 2, in the lower end of heat exchange container 2
Portion is provided with band and shaked out the sand export 5 of switch valve；Wherein, in addition to dust pelletizing system, dust pelletizing system includes being arranged at dedusting position
Dust excluding hood, and and the dedusting fan 6 that is connected with dust excluding hood, dust pelletizing system also include being communicated in dust excluding hood and dedusting fan it
Between cleaning shaft 7, cleaning shaft includes being arranged at dust-collecting and heat exchanging pipeline 8 in heat exchange container inner chamber.During implementation, dedusting fan
Outlet side is connected with dust-removal cloth-bag constitutes bag-type dust removal system.
So, the distinguished and admirable pipeline of dust pelletizing system is set and is partly into formation dust-collecting and heat exchanging pipeline in heat exchange container,
Heat exchange can be carried out using dust-collecting and heat exchanging pipeline and molding sand, one is taken away with distinguished and admirable by the dedusting inside dust-collecting and heat exchanging pipeline
The heat of tap sand, therefore compared with existing heat-exchanger rig, on the premise of not increasing additional heat exchange device power, both realized and removed
Dirt, make use of dust pelletizing system to improve heat exchange efficiency, cleaning shaft reaches the double effectses of dedusting and cooling again, therefore greatly
Improve the cooling effect that exchanged heat to molding sand.
Wherein, the side positioned at the mould turnover direction of turnover machine 1 is correspondingly arranged on a jigging conveyer 9, and jigging conveyer 9 goes out
Mouth and the linking of heat exchange container upper end sand inlet, dust excluding hood include being correspondingly arranged at the conveyer dust excluding hood above jigging conveyer
10.Specifically, jigging conveyer includes an angularly disposed delivery chute component, and delivery chute component upper end is arranged at turnover machine
Vibrator is provided with one side-lower in mould turnover direction, delivery chute component, delivery chute member lower is outlet, conveyer dust excluding hood
Covering is arranged on above delivery chute component.
So, molding sand is poured into jigging conveyer by turnover machine mould turnover, is existed by the delivery chute component of jigging conveyer
The conveying to molding sand is realized during vibration so that in vibration processes, the partial heat and dust that molding sand is mingled with can be upper well
Wind-force in the conveyer dust excluding hood of side is siphoned away, and is reached rough dusting and is taken away the effect of heat.Jigging conveyer is using vibration
Mode convey molding sand, the dust excluding hood for coordinating top to set enables to the dust being mingled with during vibration in molding sand to be gone out by shake
And taken away by distinguished and admirable, improve dust removing effects.
Wherein, the heat exchanging fluid in the heat exchanging fluid pipeline 3 is gaseous refrigerant, the heat exchanging fluid cooling device 4
Compressor of air conditioner and A/C evaporator including series connection, compressor of air conditioner are used for gaseous refrigerant boil down to liquid, and air-conditioning steams
Hair device is used for the gaseous state that the refrigerant of liquid is converted into low temperature.
So using gaseous refrigerant as heat exchanging fluid, the mode phase of the mode of this air cooling and existing conventional water cooling
Than gaseous refrigerant rapidly can cool and take away by compressor of air conditioner and A/C evaporator in heat exchanging fluid cooling device
Heat, can fast cooling Posterior circle utilize, drastically increase heat exchange efficiency, so, and using cooling water as changing
The water-cooling pattern of hot fluid is compared, and the cooling of heat exchanging fluid is influenceed smaller by temperature.It is set to be particularly suitable for being difficult to soon in cooling water
The high temperature area of prompt drop temperature processing is used.
Wherein, the heat-exchanger rig includes a pre- colod-application heat exchange container and the heat exchange container of a cooling, turns over
The mould turnover direction side of punch-out equipment 1 and pre- colod-application heat exchange container upper end sand inlet linking, pre- colod-application heat exchange container lower end sand export
Side is additionally provided with the bypass of outer end obliquely and goes out sandpipe 11, bypasses out sandpipe 11 and the heat exchange container upper end sand inlet of cooling
Linking, the heat exchange container lower end sand export of cooling is used to shake out to lost foam casting boxcar；In pre- colod-application heat exchange container
Circulated again with heat exchanging fluid cooling device after heat exchanging fluid pipeline communication in heat exchanging fluid pipeline and the heat exchange container of cooling
Connection.
So, two sets of heat exchange containers arranged side by side are employed in heat-exchanger rig to be used in series, one is realized precooling, a realization
Cooling, drastically increases cooling effect and cooling treatment efficiency.During implementation, bypass out and switch valve is also equipped with sandpipe, make
It can be used alone with single heat exchange container.
Wherein, the charging side of heat exchange container is also vertically provided with an elevator 12 side by side in the heat-exchanger rig, carries
Rise the lower end of machine 12 and be provided with and enter sand hopper 13 for entering the elevator of sand, the upper end sand export of elevator 12 is set obliquely by outer end
Send the sand inlet that sand cylinder 14 is connected to heat exchange container upper end.
So, laggard sand is lifted to heat exchange container using elevator so that heat exchange container can be arranged at together with turnover machine
One ground, makes it be beneficial to layout and installs, save space.
Wherein, elevator 12 includes vertically arranged elevator shell, and elevator shell inner cavity upper and lower ends are provided with chain
It is arranged with wheel, upper end sprocket wheel and the drive connection of elevator motor 15 positioned at elevator housing exterior, the sprocket wheel of upper and lower ends
In vertical annular loop chain 16, chain bucket is provided with loop chain 16, from elevator when chain bucket is moved across after the sprocket wheel of lower end with loop chain
Enter sand hopper and connect sand, sand export shakes out from elevator upper end after the sprocket wheel of upper end.So use circular chain bucket hoister, Neng Gougeng
Avoid blocking well, it is ensured that work is smooth.Existing belt elevator or steel wire rubber can also be used when implementing certainly
The existing Structure of hoist such as band bucket elevator realize lifting.
Wherein, the lower end of heat exchange container 2, which is additionally provided with outer end close to elevator side and is connected to elevator obliquely, enters
Sand switch valve is provided with back on the sand-returning pipe 17 of sand hopper, sand-returning pipe 17.So, it can be opened after molding sand exchanges heat in heat exchange container
Sand-returning pipe realizes back sand to elevator, again returns to heat exchange container and realizes heat exchange, and then realizes to the cycle heat exchange of molding sand
Reason, until temperature is reduced to and meets requirement and turn off back sand switch valve, it is ensured that heat transfer effect.
Wherein, adjacent below the sand inlet of upper end is located in heat exchange container inner chamber and is horizontally arranged with vibration homocline along inner chamber
Sieve, it is the heat transfer space for being provided with fluid heat transfer pipeline 3 and dust-collecting and heat exchanging pipeline 8 to vibrate below equal material screen.
So, it can improve the uniformity of knockout distribution to improve heat transfer effect by equal material screen vibrating shakeout is vibrated.
Wherein, vibrating equal material screen includes being transversely mounted in the middle part of heat exchange container inner chamber the curved sieve bend that raises up
Net 18, in addition to the shaker screen 19 on screen cloth；It is located in the heat exchange container inner chamber inside at the sand inlet of upper end
Be extended have a tubular enter sand cylinder 20, enter sand cylinder 20 obliquely and export just the middle part of curved screen 18 top is set.
So so that enter sand cylinder knockout to screen cloth, sand is left out by mistake under during molding sand slides in the middle part of screen cloth to surrounding,
Preferably it is beneficial to improve the uniformity that knockout is distributed in the horizontal direction, preferably to improve heat transfer effect.
Wherein, heat exchange container inner chamber upper end is additionally provided with heat exchange container dust excluding hood 21, and the upper end of heat exchange container dust excluding hood 21 leads to
Piping is connected in cleaning shaft 7.
So, heat exchange container dust excluding hood, which can be exchanged, produces upward distinguished and admirable suction inside heat container so that heat exchange container
Interior knockout with fluid heat transfer pipeline and dust-collecting and heat exchanging pipeline while being exchanged heat, by distinguished and admirable up band from the bottom up
Heat is walked, multiple heat transfer effect is realized, heat exchange efficiency is improved；In addition, upward wind can be relied on during knockout drops
Stream enables tiny dust in molding sand preferably to be taken away by distinguished and admirable, realizes molding sand type selecting effect, molding sand subsequently without entering again
The processing of the type selectings such as row cleaning, drying, improves molding sand processing whole efficiency.When it is implemented, heat exchange container dust excluding hood is covered in screen cloth
Top, the upward distinguished and admirable suction that such heat exchange container dust excluding hood is produced will preferably can be shaken on screen cloth upwards through screen cloth
Molding sand in the dust that is mingled with take away, improve molding sand dust removing effects, while vibration that can also be preferably with screen cloth coordinates, improve
Uniform effect of the molding sand on screen cloth, preferably improves the uniformity that molding sand falls, and then preferably improves molding sand in heat exchange appearance
Heat transfer effect in device inner chamber.It is located at heat transfer space bottom during implementation, in heat exchange container and is set positioned at the top position of sand export 5
There is the blast pipe 22 that outer end opening is bent upwards, so that heat exchange container dust excluding hood suction air in heat transfer space with so that form under
Up distinguished and admirable takes away heat, to realize above-mentioned multiple heat transfer effect；The blast pipe being bent upwards simultaneously can avoid knockout
Blown out from blast pipe.
Wherein, the left and right sides of heat exchange container 2 is each provided with a dedusting interlayer cavity 23, and two dedustings are empty with interlayer
Be provided with and communicated with many spaced dust-collecting and heat exchanging pipelines 8 arranged side by side between chamber 23, two dedustings with interlayer cavity 23 each to
It is communicated to outside in cleaning shaft 7；The left and right sides of heat exchange container 2 is also each provided with a heat exchanging fluid interlayer cavity 24, two
Many spaced fluid heat transfer pipelines 3, two heat exchanging fluids arranged side by side are provided with and communicated between heat exchanging fluid interlayer cavity 24
Interlayer cavity 24 each outwards passes through pipeline communication to heat exchanging fluid cooling device 4.
So, the structure can be realized well carries out distinguished and admirable be incorporated into heat exchange container inner chamber of dust pelletizing system
Exchange heat to improve the heat exchanger effectiveness of molding sand.Specifically, the left and right sides of heat exchange container is each provided with a dedusting interlayer
Cavity, dedusting air-flow is entered in heat exchange container inner chamber by dedusting with interlayer cavity and then through excessive dirt heat exchange pipeline of eradicating
Exchanged heat；With reference to the heat exchange of many fluid heat transfer pipelines, changing for the molding sand that is dropped in heat exchanging container intracavity is greatly enhanced
Thermal effect.
Wherein, the horizontal cross-section of heat exchange container 2 is rectangle, be so more favorable for each interlayer cavity and dust-collecting and heat exchanging pipeline and
The arrangement of fluid heat transfer pipeline, improves space efficiency utilization.
Wherein, dedusting interlayer cavity 23 is located at the outside of heat exchanging fluid interlayer cavity 24, and dedusting is with interlayer cavity 23
Portion is each outwards communicated in cleaning shaft 7 by one in the plenum chamber 25 of outside taper type.So, the plenum chamber of setting
So that dedusting distinguished and admirable can lean on is entered after plenum chamber rectification in dust-collecting and heat exchanging pipeline, pneumatic noise is reduced, while beneficial to dedusting
Dust in distinguished and admirable is settled in plenum chamber and dedusting with convergence in interlayer cavity, beneficial to the follow-up air-flow velocity of raising.Dedusting is used
Interlayer cavity, which is arranged at outside, conveniently to set enabling to clear up its interior laying dust.Meanwhile, the plenum chamber of setting for smaller diameter end to
Outer taper type, can preferably be connected with cleaning shaft and connect, it is to avoid cross the excessive vortex of the big generation of wind section change suddenly and stream
And enable dust preferably preliminary sedimentation in dedusting interlayer cavity, made with avoiding dust from entering in dust-collecting and heat exchanging pipeline
Into blocking and reduce heat exchanger effectiveness.
Wherein, dedusting offers dedusting cleaning door 26 with the outside lower end of interlayer cavity 23, is easy to open cleaning dust.
Wherein, the upper end of heat exchanging fluid interlayer cavity 24 of the side of heat exchange container 2 is outwards connected and connected by upward pipeline
Be connected to heat exchanging fluid cooling device 4, the lower end of heat exchanging fluid interlayer cavity 24 of heat exchange container opposite side by downward pipeline to
Connect outside and be connected to heat exchanging fluid cooling device 4.The connection of pipeline is so facilitated to install, while beneficial to the entirety of heat exchanging fluid
Circulate.
Wherein, the dust-collecting and heat exchanging pipeline 8 is is in tilted layout, and the distinguished and admirable flowing inside direction diagonally downward and pipeline
Direction is consistent.So, can prevent it is distinguished and admirable in the dust that is mingled with accumulated in dust-collecting and heat exchanging pipeline and cause blocking or reduction to remove
The distinguished and admirable flow velocity of dirt.
Wherein, the dust-collecting and heat exchanging pipeline 8 and fluid heat transfer pipeline 3 are along level arranged, and each right in rows
It is multiple rows of, the edge of fluid heat transfer pipeline 3 direction opposite with dust-collecting and heat exchanging pipeline 8 that should be set to along the arrangement of short transverse uniform intervals
It is in tilted layout to be formed staggeredly, and it is intervening portion often to exclude dirt heat exchange pipeline and fluid heat transfer pipeline centre position.So, pipeline
Being in tilted layout can avoid knockout from being accumulated in pipeline external surface, while the pipeline of alternating inclinations arrangement can also avoid guiding from falling
Sand is migrated toward same direction, therefore can better ensure that the uniformity that molding sand falls in heat exchange container, preferably to improve heat
Exchange efficiency.
Wherein, dust-collecting and heat exchanging pipeline 8 and fluid heat transfer pipeline 3 outer surface is each arranged at intervals with aluminum fin-stock 27.
It so can preferably improve the heat exchanger effectiveness with knockout.
Wherein, Fig. 4 is participated in, the aluminum fin-stock 27 of dust-collecting and heat exchanging pipeline and fluid heat transfer pipeline external surface is each along before and after pipeline
Both sides outwardly convex is formed and is obliquely installed in the same direction with pipeline（Aluminum fin-stock angle of inclination is tilted more than place pipeline during specific implementation
Angle slides in favor of molding sand）, often eradicate the aluminum fin-stock of dirt heat exchange pipeline has on the fluid heat transfer pipeline that correspondence is interlocked
Vertical corresponding aluminum fin-stock, and each the vertical projection of the aluminum fin-stock lower half of dust-collecting and heat exchanging pipeline and the corresponding layer fluid are changed
The vertical projection of the lower half of aluminum fin-stock on hot channel has the part of a coincidence.So aluminum fin-stock prolongs fore-and-aft direction extension
Setting can improve it and also improve heat exchanger effectiveness with the contact effect for the molding sand 28 that drops, while corresponding aluminium on adjacent pipeline
Fin dislocation overlapping arrangement on vertical so that the molding sand slid on the aluminum fin-stock of each dust-collecting and heat exchanging pipeline can be dropped to down
Aluminum fin-stock surface on the corresponding fluid heat transfer pipeline in side, and then enable molding sand to form class in heat exchange container inner chamber in a zigzag
The deflecting of left and right successively interlock whereabouts.So, residence time of the molding sand in heat exchange container is dramatically improved, also very big journey
Degree improves the contact heat-exchanging efficiency of molding sand and aluminum fin-stock so that molding sand heat exchange cooling effect is greatly improved.
So, when said system works, vanishing-die casting moulding-sand enters jigging conveyer through turnover machine, in vibrating transportation
Heat and the dust being mingled with preliminarily are taken away under the distinguished and admirable suction that machine vibration and upper conveyor dust excluding hood are provided, is reached
Rough dusting and the effect of cooling.Then elevator of the molding sand after jigging conveyer by pre- colod-application heat exchange container is entered
The heat exchange container of first preheating, on the curved screen of heat exchange container upper end, is provided by vibration and heat exchange container dust excluding hood
Distinguished and admirable suction, heat and dust are taken away again；The special construction of curved screen, which is combined, simultaneously vibrates and suction wind-force, being capable of band
Ejector half sand more uniformly slides from curved screen；Molding sand in dropping process be in vacant state when by upward wind-force band
Heat is walked, during in aluminum fin-stock contact condition with dust-collecting and heat exchanging pipeline and fluid heat transfer pipeline and its two surface, is carried out
Cooling is realized in heat exchange, has been achieved in that the effect of MULTIPLE DYNAMIC cooling, and make use of the pipeline of dust pelletizing system to turn into cooling source
Drastically increase heat exchanger effectiveness.The special construction of aluminum fin-stock sets the contact heat-exchanging effect also improved with molding sand simultaneously.
After molding sand drops out heat transfer space downwards, can also as desired by the control to switch valve, make its from sand-returning pipe return sand to
Elevator realizes that cycle heat exchange is handled, until be cooled to be adapted to after open sand export again and shake out, this sample loading mode is particularly suitable for interval
Sequencing batch type molding sand cooling treatment.When needing to realize continuous processing and treating capacity is larger causes single heat exchange container can not meet heat exchange
During processing, the sand-returning pipe and sand export of pre- colod-application heat exchanger can also be closed, it is opened and bypasses out second heat exchange of sandpipe connection
Container（The heat exchange container of i.e. above-mentioned cooling）The heat exchange demand of continous way processing is met by two heat exchange container cooperations.
Therefore the system has heat exchange efficiency high, molding sand treating capacity is big and the characteristics of can realizing a variety of heat exchange modes.
Claims (10)
1. a kind of cavityless casting molding sand continous way cooling treatment method, including use allow molding sand to enter in heat exchange container and exchange heat
Fluid line carries out the cooling step of Hot swapping mode, it is characterised in that the heat exchange container of two series connection is set, by first
Heat exchange container carries out precooling to the molding sand of entrance, and the molding sand after precooling then is led into second heat exchange container again, and to carry out heat exchange cold
But, the continuous coo1ing processing of molding sand is realized.
2. cavityless casting as claimed in claim 1 molding sand continous way cooling treatment method, it is characterised in that molding sand is entering
Before pre- colod-application heat exchange container, first experience realizes the step of preliminary precooling and dedusting by the dust excluding hood suction for vibrating dust removal combined system
Suddenly.
3. cavityless casting as claimed in claim 1 molding sand continous way cooling treatment method, it is characterised in that using following
In the realization of molding sand continous way cooling system, the molding sand continous way cooling system, including turnover machine and heat exchange container, heat exchange container
Portion is provided with the fluid heat transfer pipeline for heat exchange, heat exchanging fluid pipeline and the heat exchanging fluid cooling being arranged at outside heat exchange container
The heat exchanging fluid that device is connected and supplied in it is circulated, and band is provided with the middle part of heat exchange container lower end and is shaked out the shaking out of switch valve
Mouthful；Heat exchange container includes a pre- colod-application heat exchange container and the heat exchange container of a cooling, turnover machine mould turnover direction side
With pre- colod-application heat exchange container upper end sand inlet linking, it is oblique that pre- colod-application heat exchange container lower end sand export side is additionally provided with outer end
Downward bypass goes out sandpipe, bypasses out the heat exchange container upper end sand inlet linking of sandpipe and cooling, the heat exchange container of cooling
Lower end sand export is used to shake out to lost foam casting boxcar；Heat exchanging fluid pipeline and cooling in pre- colod-application heat exchange container
Connected again with the circulation of heat exchanging fluid cooling device after heat exchanging fluid pipeline communication in heat exchange container；
Dust pelletizing system includes being arranged at the dust excluding hood of dedusting position, and and the dedusting fan that is connected with dust excluding hood, dust pelletizing system
Also include the cleaning shaft being communicated between dust excluding hood and dedusting fan, cleaning shaft includes being arranged in heat exchange container inner chamber
Dust-collecting and heat exchanging pipeline；
A jigging conveyer, jigging conveyer outlet and heat exchange container are correspondingly arranged on positioned at the side in turnover machine mould turnover direction
Upper end sand inlet linking, dust excluding hood includes being correspondingly arranged at the conveyer dust excluding hood above jigging conveyer.
4. cavityless casting as claimed in claim 3 molding sand continous way cooling treatment method, it is characterised in that in heat exchange container
It is located at adjacent below the sand inlet of upper end in chamber and is horizontally arranged with the equal material screen of vibration along inner chamber, vibrates equal material screen lower section to be provided with
The heat transfer space of fluid heat transfer pipeline and dust-collecting and heat exchanging pipeline.
5. cavityless casting as claimed in claim 4 molding sand continous way cooling treatment method, it is characterised in that the equal material screen of vibration
Including being transversely mounted in the middle part of heat exchange container inner chamber the curved curved screen that raises up, in addition on screen cloth
Shaker screen；In the heat exchange container inner chamber be located at upper end sand inlet at extend internally be provided with tubular enter sand cylinder, enter sand
Cylinder is obliquely and outlet is just set to top in the middle part of curved screen.
6. cavityless casting as claimed in claim 4 molding sand continous way cooling treatment method, it is characterised in that in heat exchange container
Chamber upper end is additionally provided with heat exchange container dust excluding hood, and heat exchange container dust excluding hood upper end is connected in cleaning shaft by pipeline.
7. cavityless casting as claimed in claim 3 molding sand continous way cooling treatment method, it is characterised in that heat exchange container
The left and right sides is each provided with a dedusting interlayer cavity, and two dedustings are between being provided with and communicated with many side by side between interlayer cavity
Every the dust-collecting and heat exchanging pipeline of setting, two dedustings are each outwards communicated in cleaning shaft with interlayer cavity；A left side for heat exchange container
Right both sides are also each provided with being provided with and communicated with many simultaneously between a heat exchanging fluid interlayer cavity, two heat exchanging fluid interlayer cavitys
Spaced fluid heat transfer pipeline is arranged, two heat exchanging fluid interlayer cavitys are each outwards cold to heat exchanging fluid by pipeline communication
But device.
8. cavityless casting as claimed in claim 7 molding sand continous way cooling treatment method, it is characterised in that dedusting interlayer
Cavity is located on the outside of heat exchanging fluid interlayer cavity, and dedusting passes through a static pressure in outside taper type with interlayer cavity middle part
Case is each outwards communicated in cleaning shaft.
9. cavityless casting as claimed in claim 8 molding sand continous way cooling treatment method, it is characterised in that the dedusting is changed
Hot channel is is in tilted layout, and direction diagonally downward is consistent with the distinguished and admirable flow direction inside pipeline.
10. cavityless casting as claimed in claim 8 molding sand continous way cooling treatment method, it is characterised in that the dedusting
Heat exchange pipeline and fluid heat transfer pipeline external surface are each arranged at intervals with aluminum fin-stock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279097.8A CN107008853B (en) | 2017-04-25 | 2017-04-25 | Cavityless casting molding sand continous way cooling treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279097.8A CN107008853B (en) | 2017-04-25 | 2017-04-25 | Cavityless casting molding sand continous way cooling treatment method |
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| Publication Number | Publication Date |
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| CN107008853A true CN107008853A (en) | 2017-08-04 |
| CN107008853B CN107008853B (en) | 2019-03-15 |
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| CN201710279097.8A Expired - Fee Related CN107008853B (en) | 2017-04-25 | 2017-04-25 | Cavityless casting molding sand continous way cooling treatment method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2312440A1 (en) * | 1972-05-01 | 1973-11-22 | Fischer Ag Georg | DEVICE FOR COOLING OR DRYING GOODS TO SHOOT |
| CN201906786U (en) * | 2011-01-20 | 2011-07-27 | 苏良磁 | Casting hot sand treatment system capable of saving energy and reducing emission |
| CN202539469U (en) * | 2012-04-17 | 2012-11-21 | 河南省金太阳铸造有限公司 | Temperature reducing device for foundry sand |
| CN202963366U (en) * | 2012-11-13 | 2013-06-05 | 成都点金机械铸造技术开发有限公司 | Foundry sand cooling device and cooling system formed by same |
| CN203887147U (en) * | 2014-06-13 | 2014-10-22 | 南充同俊机械制造有限公司 | Lost foam sand-conditioning double-cooler system |
-
2017
- 2017-04-25 CN CN201710279097.8A patent/CN107008853B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2312440A1 (en) * | 1972-05-01 | 1973-11-22 | Fischer Ag Georg | DEVICE FOR COOLING OR DRYING GOODS TO SHOOT |
| CN201906786U (en) * | 2011-01-20 | 2011-07-27 | 苏良磁 | Casting hot sand treatment system capable of saving energy and reducing emission |
| CN202539469U (en) * | 2012-04-17 | 2012-11-21 | 河南省金太阳铸造有限公司 | Temperature reducing device for foundry sand |
| CN202963366U (en) * | 2012-11-13 | 2013-06-05 | 成都点金机械铸造技术开发有限公司 | Foundry sand cooling device and cooling system formed by same |
| CN203887147U (en) * | 2014-06-13 | 2014-10-22 | 南充同俊机械制造有限公司 | Lost foam sand-conditioning double-cooler system |
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| Publication number | Publication date |
|---|---|
| CN107008853B (en) | 2019-03-15 |
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Effective date of registration: 20210604 Address after: 400084 No. 2, Magnesium Bridge Road, Area A, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee after: CHONGQING IRON & STEEL INSTITUTE Co.,Ltd. Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Patentee before: CHONGQING IRON & STEEL (GROUP)Co.,Ltd. |
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