CN217941778U - Casting sand waste heat utilization system - Google Patents
Casting sand waste heat utilization system Download PDFInfo
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- CN217941778U CN217941778U CN202221868398.7U CN202221868398U CN217941778U CN 217941778 U CN217941778 U CN 217941778U CN 202221868398 U CN202221868398 U CN 202221868398U CN 217941778 U CN217941778 U CN 217941778U
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- heat utilization
- heat exchange
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- 239000004576 sand Substances 0.000 title claims abstract description 49
- 238000005266 casting Methods 0.000 title claims abstract description 46
- 239000002918 waste heat Substances 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 239000006148 magnetic separator Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 9
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010114 lost-foam casting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a casting sand waste heat utilization system, which comprises a pit, a recovery tank, a blanking hopper, a vibrating screen, a magnetic separator, a first hoisting machine, a roller cooling machine, a second hoisting machine and a sand silo; the utility model has the advantages that: the casting sand is cooled gradually under the matching of the heat exchange coil and a roller cooler, so that the temperature of the casting sand meets the working condition requirement, manual cooling is not needed, the risk of scalding of personnel is reduced, and meanwhile, the occupied area is small; the dust generated in the pit is treated through the combined action of the dust hood, the dust remover and the fan, so that the environmental sanitation around the pit is ensured; the water in the heat exchange coil dries the casting mold through the heat utilization equipment, so that the efficiency of manufacturing the casting mold is improved, and meanwhile, the energy is saved.
Description
The technical field is as follows:
the utility model relates to an energy utilization technical field, concretely relates to casting sand waste heat utilization system.
Background art:
in the casting industry, particularly in the process of lost foam casting, a refractory coating is applied to the surface of a foam pattern to obtain a mold, the mold is dried and then embedded in casting sand in a molding box, a molten metal of the metal is poured into the mold to cause the foam pattern to disappear and be replaced with the molten metal, and the molten metal is solidified to obtain a casting.
After a product is processed each time, the casting sand and the casting in the molding filling box are poured out under the action of a box turnover machine, the temperature of the casting sand can be increased due to the higher temperature of the cast product, and the temperature of the casting sand used each time is regulated to be below 50 ℃ according to the molding filling box technical requirement, so that the plastic model with the too high temperature can deform, the casting is scrapped after casting, and the casting sand after the product is cast each time can be reused only by cooling to be below 50 ℃.
The existing casting sand cooling mode is that a plurality of pits are recycled for spread cooling, and a natural cooling method is used for cooling the casting sand, so that workers have a risk of scalding in the spread cooling process, and the generated dust is large and is not beneficial to the health of the workers; the pit after each use needs to be placed for a period of time to dissipate the internal heat, so that the number of pits required by a factory is large, the use space of the factory is occupied, the dissipated heat also causes heat waste, and the natural cooling method has low efficiency; meanwhile, the foundry sand after being spread and cooled needs to be manually pushed to a sand silo of the foundry sand by a cart, and manpower and material resources are wasted.
The utility model has the following contents:
an object of the utility model is to provide a casting sand waste heat utilization system.
The utility model discloses implement by following technical scheme: the casting sand waste heat utilization system comprises a pit, a recovery tank, a blanking hopper, a vibrating screen, a magnetic separator, a first hoister, a roller cooler, a second hoister and a sand bin;
a supporting plate is fixed at the top end of the pit, a recovery tank is fixed on the end surface of the top end of the supporting plate, and the bottom end of the recovery tank is fixedly communicated with the discharging hopper; a communicating port is formed in the supporting plate between the recovery tank and the lower hopper, a screen is fixed in the communicating port, an outlet at the bottom end of the lower hopper is communicated with an inlet of the vibrating screen, an outlet of the vibrating screen is communicated with an inlet of the magnetic separator, an outlet of the magnetic separator is communicated with an inlet of the first hoisting machine, an outlet of the first hoisting machine is communicated with an inlet of the roller cooling machine, an outlet of the roller cooling machine is communicated with an inlet of the second hoisting machine, and an outlet of the second hoisting machine is communicated with an inlet of the sand silo;
the heat exchange device is characterized in that a heat exchange coil matched with the blanking hopper in shape is arranged in the blanking hopper, an outlet of the heat exchange coil is communicated with an inlet pipeline of heat utilization equipment through a water pump, and an outlet of the heat utilization equipment is communicated with the inlet pipeline of the heat exchange coil.
Further, the outlet of the heat utilization equipment is communicated with the inlet of the heat exchange coil through a pipeline between the water storage tank and the inlet of the heat exchange coil.
Further, the heat utilization equipment comprises a ground heating and/or wall-mounted heating radiator arranged in the drying room.
Furthermore, the dust remover also comprises a dust hood, a dust remover and a fan, wherein the dust remover is fixedly arranged on the ground outside the pit, the inlet of the dust remover is communicated with a pipeline of the dust hood which is arranged in the pit in a hanging manner, and the outlet of the dust remover is communicated with an inlet pipeline of the fan.
Furthermore, a vibrating motor is fixedly arranged on the screen.
Furthermore, a plurality of vertical radiating fins are fixed on the heat exchange coil at intervals.
The utility model has the advantages that: the heat exchange coil is fully contacted with the casting sand for heat exchange, so that the temperature of the casting sand is reduced, meanwhile, the heat exchanged water enters heat utilization equipment to obtain the recycling of heat energy, and the casting sand is gradually cooled under the cooperation of the heat exchange coil and a roller cooler, so that the temperature of the casting sand meets the working condition requirement, manual cooling is not needed, the risk of scalding of personnel is reduced, and meanwhile, the occupied area is smaller; the dust generated in the pit is treated through the combined action of the dust hood, the dust remover and the fan, so that the environmental sanitation around the pit is ensured; the water in the heat exchange coil is used for drying the casting mold through heat utilization equipment, so that the efficiency of manufacturing the casting mold is improved, and meanwhile, the energy is saved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the utility model;
in the figure: pit 1, backup pad 2, accumulator 3, lower hopper 4, intercommunication mouth 5, screen cloth 6, vibrating motor 7, shale shaker 8, magnet separator 9, first lifting machine 10, cylinder cooling machine 11, second lifting machine 12, husky storehouse 13, heat transfer coil pipe 14, water pump 15, heat utilization equipment 16, water storage box 17, stoving room 18, suction hood 19, dust remover 20, fan 21, fin 22.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the casting sand waste heat utilization system comprises a pit 1, a recovery tank 3, a discharge hopper 4, a vibrating screen 8, a magnetic separator 9, a first hoister 10, a roller cooler 11, a second hoister 12 and a sand silo 13;
the top end of the pit 1 is fixed with a supporting plate 2, the pit 1 can be recycled only by arranging one pit 1, the use area is not occupied, a recovery tank 3 is fixed on the top end surface of the supporting plate 2, the bottom end of the recovery tank 3 is fixedly communicated with a blanking hopper 4, a communication port 5 is arranged on the supporting plate 2 between the recovery tank 3 and the blanking hopper 4, a screen 6 is fixed in the communication port 5, a vibrating motor 7 is fixed on the screen 6, casting sand in a molding filling box is poured onto the screen 6 through a box turnover machine, the falling speed of the casting sand is accelerated by manually using a scraper or using the vibrating motor 7, the uniform falling is ensured at the same time, the screen 6 can filter sand blocks, meanwhile, the casting sand can be scattered in the blanking hopper 4, the bottom end outlet of the blanking hopper 4 is communicated with the inlet of a vibrating screen 8, the export of shale shaker 8 and the entry of magnet separator 9, metal impurities such as iron beans can be filtered out to magnet separator 9, the export of magnet separator 9 and the entry of first lifting machine 10 communicate, the export of first lifting machine 10 and the entry of cylinder cooling machine 11 communicate, the export of cylinder cooling machine 11 and the entry of second lifting machine 12 communicate, carry out secondary cooling to casting sand through cylinder cooling machine 11, the export of second lifting machine 12 and the entry intercommunication of bunker 13, under the cooperation of screen cloth 6, shale shaker 8, magnet separator 9, impurity in the casting sand, the sand lump, debris such as metal block filter out, under the cooperation of first lifting machine 10, second lifting machine 12, the underground of casting sand and the transport on the ground between above-ground have been realized, the manpower has been saved.
The heat exchange coil 14 matched with the shape of the discharging hopper 4 is arranged in the discharging hopper 4, a plurality of vertical radiating fins 22 are fixed on the heat exchange coil 14 at intervals, and the contact area between the radiating fins 22 and casting sand is increased, so that the radiating effect is accelerated. Heat exchange coil 14 passes through forms such as connecting plate to be fixed on the inner wall of hopper 4 down, heat exchange coil 14's export passes through water pump 15 and heat utilization equipment 16's entry pipeline intercommunication, heat utilization equipment 16's export and heat exchange coil 14's entry pipeline intercommunication, heat exchange coil 14 is inside to let in the cooling water, utilize heat exchange coil 14 and the abundant contact heat transfer of casting sand, the temperature of casting sand has been reduced, water after the while heat transfer gets into in heat utilization equipment 16, the recycle of heat energy has been obtained, at heat exchange coil 14, to casting sand cooling gradually under the cooperation of cylinder cooler 11, make the temperature of casting sand satisfy the operating mode requirement, do not need artifical stand to cool the risk that has reduced personnel and scald.
The outlet of the heat utilization equipment 16 is communicated with the inlet of the heat exchange coil 14 through a pipeline between the water storage tank 17 and the heat exchange coil, the water storage tank 17 has the buffer function, the liquid level meter is arranged on the water storage tank 17, cooling water can be added according to the liquid level in the water storage tank 17, and water circulation and water consumption are guaranteed.
The heat utilization equipment 16 comprises a floor heating and/or wall-mounted heating radiator arranged in the drying room 18, the surface of the casting mold is coated with refractory materials, drying treatment is needed when the casting mold is used every time, water in the heat exchange coil 14 is dried on the casting mold through the heat utilization equipment 16, the efficiency of manufacturing the casting mold is improved, and energy is saved.
The dust remover comprises a pit 1 and is characterized by further comprising a dust hood 19, a dust remover 20 and a fan 21, wherein the dust remover 20 is fixedly arranged on the ground outside the pit 1, the dust remover 20 is a commercially available bag-type dust remover, an inlet of the dust remover 20 is communicated with a pipeline of the dust hood 19 hung in the pit 1, an outlet of the dust remover 20 is communicated with an inlet pipeline of the fan 21, and dust generated in the pit 1 is treated under the combined action of the dust hood 19, the dust remover 20 and the fan 21, so that the surrounding environmental sanitation is guaranteed.
The specific operation process of the embodiment is as follows:
the used casting sand is poured into the recovery tank 3, enters the blanking hopper 4 through the screen 6, is subjected to heat exchange cooling through the heat exchange coil 14 in the blanking hopper 4, enters the vibrating screen 8 and the magnetic separator 9 for screening, enters the roller cooling machine 11 through the first lifting machine 10, is subjected to secondary cooling, and is sent to the sand silo 13 through the second lifting machine 12 for recycling again.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The casting sand waste heat utilization system is characterized by comprising a pit, a recovery tank, a blanking hopper, a vibrating screen, a magnetic separator, a first hoisting machine, a roller cooling machine, a second hoisting machine and a sand silo;
a supporting plate is fixed at the top end of the pit, a recovery tank is fixed on the end surface of the top end of the supporting plate, and the bottom end of the recovery tank is fixedly communicated with the discharging hopper; a communicating port is formed in the supporting plate between the recovery tank and the blanking hopper, a screen is fixed in the communicating port, an outlet at the bottom end of the blanking hopper is communicated with an inlet of the vibrating screen, an outlet of the vibrating screen is communicated with an inlet of the magnetic separator, an outlet of the magnetic separator is communicated with an inlet of the first hoisting machine, an outlet of the first hoisting machine is communicated with an inlet of the roller cooling machine, an outlet of the roller cooling machine is communicated with an inlet of the second hoisting machine, and an outlet of the second hoisting machine is communicated with an inlet of the sand silo;
the heat exchange device is characterized in that a heat exchange coil matched with the blanking hopper in shape is arranged in the blanking hopper, an outlet of the heat exchange coil is communicated with an inlet pipeline of the heat utilization device through a water pump, and an outlet of the heat utilization device is communicated with the inlet pipeline of the heat exchange coil.
2. The system of claim 1, wherein an outlet of the heat utilization device is in line communication with an inlet of the heat exchange coil via a water reservoir.
3. The foundry sand waste heat utilization system of claim 2, wherein the heat utilization device comprises a floor heating and/or wall-mounted radiator disposed within a drying room.
4. The foundry sand waste heat utilization system of any one of claims 1 to 3, further comprising a dust hood, a dust remover and a fan, wherein the dust remover is fixedly arranged on the ground outside the pit, an inlet of the dust remover is communicated with a pipeline of the dust hood hung in the pit, and an outlet of the dust remover is communicated with an inlet pipeline of the fan.
5. The foundry sand waste heat utilization system of claim 1, wherein a vibrating motor is fixedly arranged on the screen.
6. The foundry sand waste heat utilization system of claim 1, wherein a plurality of vertical fins are fixed to the heat exchange coil at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221868398.7U CN217941778U (en) | 2022-07-19 | 2022-07-19 | Casting sand waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221868398.7U CN217941778U (en) | 2022-07-19 | 2022-07-19 | Casting sand waste heat utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217941778U true CN217941778U (en) | 2022-12-02 |
Family
ID=84222856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221868398.7U Active CN217941778U (en) | 2022-07-19 | 2022-07-19 | Casting sand waste heat utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217941778U (en) |
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2022
- 2022-07-19 CN CN202221868398.7U patent/CN217941778U/en active Active
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