CN108380816B - Boiling cooling bed - Google Patents
Boiling cooling bed Download PDFInfo
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- CN108380816B CN108380816B CN201810119281.0A CN201810119281A CN108380816B CN 108380816 B CN108380816 B CN 108380816B CN 201810119281 A CN201810119281 A CN 201810119281A CN 108380816 B CN108380816 B CN 108380816B
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- cooling
- sand
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- boiling
- air
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- 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
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a boiling cooling bed, which has uniform sand feeding, cools used sand through various cooling modes of air cooling, water cooling and evaporative cooling, and has quick cooling effect and uniform cooling; the technical scheme is characterized by comprising a bed body, wherein a boiling plate is arranged in the bed body and divides the bed body into a cooling chamber above the bed body and an air inlet chamber below the bed body; the air inlet chamber is provided with an air inlet, and the two sides of the cooling chamber are respectively provided with a sand inlet and a sand outlet; the boiling plate is provided with uniformly distributed vent holes, the vent holes are provided with air caps, and air ports of the air caps face the sand outlet; an air outlet is arranged at the top of the cooling chamber, an inclined feeding cylinder is arranged above the sand inlet, and a plurality of guide plates with uniform gaps are arranged on the sand inlet; a spraying device is arranged above the boiling plate close to one end of the sand inlet; the boiling plate adopts heat conduction material, is provided with the cooling device who absorbs the heat of the last used sand of boiling plate and boiling plate below the boiling plate.
Description
Technical Field
The invention relates to a molding sand cooling device, in particular to a boiling cooling bed.
Background
When the molding sand is cast, the used sand is often required to be recycled; in the process of recycling used sand, the high-temperature used sand needs to be quickly restored to a certain temperature. The boiling cooling bed is a device for cooling high-temperature used sand. The boiling cooling bed comprises a bed body, wherein a boiling plate is arranged in the middle of the bed body, the boiling plate divides the bed body into an upper cooling chamber and a lower air inlet chamber, and the air inlet chamber and the cooling chamber are respectively provided with an air inlet and an air outlet; the boiling plate is provided with a vent hole which inclines towards the sand outlet, air falls to the boiling plate from old sand grains through the sand inlet, air at low temperature or normal temperature enters from the air inlet and is blown to the boiling plate, and the old sand grains roll under the action of the air and move forward to the sand outlet, so that the old sand grains are cooled.
The application publication number CN104624948A discloses a boiling cooling bed, which comprises a bed body, wherein a boiling plate is arranged in the bed body, the boiling plate divides the bed body into a cooling chamber at the upper part and an air inlet chamber at the lower part, the side wall of the air inlet chamber is connected with an air inlet, sand inlets and sand outlets are respectively arranged at two sides of the cooling chamber, air caps are uniformly distributed on the boiling plate, the air outlets of the air caps face the sand outlets, a cooling water tank is arranged in the cooling chamber, the cooling water tank comprises a left water tank and a right water tank, and cooling water pipes are arrayed between the left water tank and the right water tank.
Above-mentioned boiling cooling bed has increased hot-conductive cooling method on traditional forced air cooling's basis, thereby relies on wind to blow the sand used for old time from the boiling plate and carry out the heat exchange with the cooling tube that is in the boiling plate top and cool down the sand used for old time, because the sand used for old time can not carry out full contact and contact time short with the cooling tube, consequently can not play good cooling effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a boiling cooling bed which has uniform sand feeding, cools used sand through various cooling modes of air cooling, water cooling and evaporative cooling, and has a quick cooling effect and uniform cooling.
In order to achieve the purpose, the invention provides the following technical scheme that the boiling cooling bed comprises a bed body, wherein a boiling plate is arranged in the bed body, and the boiling plate divides the bed body into an upper cooling chamber and a lower air inlet chamber; the air inlet chamber is provided with an air inlet, and the two sides of the cooling chamber are respectively provided with a sand inlet and a sand outlet; the boiling plate is provided with uniformly distributed vent holes, the vent holes are provided with air caps, and air ports of the air caps face the sand outlet; an air outlet is formed in the top of the cooling chamber, an inclined feeding cylinder is arranged above the sand inlet, and a plurality of guide plates with uniform gaps are arranged on the sand inlet; a spraying device is arranged above the boiling plate close to one end of the sand inlet; the boiling plate is made of heat conducting materials, and a cooling device for absorbing heat of used sand on the boiling plate and the boiling plate is arranged below the boiling plate.
By the technical scheme, the used sand entering from the feeding cylinder slides downwards along the inclined plane of the used sand and is uniformly scattered on the boiling plate under the separation action of the material guide plate; and under the action of the spraying device, uniformly humidifying the used sand entering the cooling chamber. The air enters the air inlet chamber from the air inlet and is blown out in the direction of the sand outlet by the wind cap on the boiling plate in an inclined way under the flow guide effect of the flow guide plate; the used sand rolls and advances to a sand outlet under the action of wind. And absorbing the heat of the used sand on the boiling plate and the boiling plate by using a cooling device. The used sand is cooled more quickly and uniformly by the arrangement of the discharge hole at the front end and various cooling modes of air cooling, water cooling and evaporative cooling.
The invention is further configured to: the spraying device comprises a plurality of spraying pipes which are positioned above the boiling plate and connected in parallel, and a plurality of spraying heads are arranged on the spraying pipes.
According to the technical scheme, the water in the spray pipes is finely sprayed out by the spray heads through the plurality of parallel spray pipes above the boiling plate, so that the used sand entering the cooling chamber is humidified.
The invention is further configured to: the spray head comprises a cavity part and a nozzle, and the nozzle is hinged with the spherical surface of the cavity part.
Through above-mentioned technical scheme, the nozzle is articulated with holding chamber portion sphere to can articulate the nozzle and hold the cooperation angle of chamber portion, and then adjust the spray direction of atomising head.
The invention is further configured to: the cooling device comprises a cooling pipe which is fixed below the boiling plate and is filled with cold water.
Through above-mentioned technical scheme, will arrange in boiling plate conducted heat and take away through letting in cold water in to the cooling tube to play the effect to the old sand cooling.
The invention is further configured to: the cooling pipe is communicated with a multistage cold water circulating device for circularly cooling the cooling water inside the cooling pipe.
Through the technical scheme, the water in the cooling pipe is cooled and recycled, the waste of a water source is avoided, and the cooling effect is good by adopting a multi-stage method.
The invention is further configured to: the multistage cold water circulating device comprises a plurality of cold water tanks connected in series and a circulating water pump for circulating cold water in the cold water tanks and water in the cooling pipes.
Through above-mentioned technical scheme, carry out multistage circulative cooling through circulating water pump with the water in the cooling tube via a plurality of cold water tanks, the using water wisely, and it is good to the cooling effect of cooling tube normal water.
The invention is further configured to: the boiling plate inclines downwards from the sand inlet to the sand outlet, and the outer side wall of the air inlet chamber is provided with a vibration motor.
Through above-mentioned technical scheme, adopt by sand inlet to the downward boiling plate of sand outlet slope and install the shock dynamo on the air inlet chamber lateral wall, can utilize the gravity of used sand self and through shock dynamo's vibration effect, thereby supplementary used sand is prevented on the boiling plate to the transmission of sand outlet that the used sand from appearing piling up, transmitting phenomenons such as stagnation.
The invention is further configured to: and a plurality of guide plates with uniform intervals are arranged in the air inlet chamber.
Through the technical scheme, the air entering from the air inlet is blown out from the boiling plate to the cooling chamber orderly under the flow guide effect of the flow guide plate, so that the insufficient blowing force on the used sand caused by the wind turbulence of the air inlet chamber is prevented.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. the used sand can be uniformly scattered on the boiling plate through the arrangement of the material cylinder and the material guide plate at the sand inlet, so that the used sand can be cooled more quickly and uniformly;
2. the cooling modes of air cooling, water cooling and evaporative cooling are comprehensively adopted, so that the old cooling is faster;
3. and a multistage cold water circulating device is adopted to carry out cooling circulation in the cold water pipe, so that the water is saved, and the cooling efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the structure of a boiling cooling bed;
FIG. 2 is a schematic view of the internal structure of the bed;
FIG. 3 is a partial view of a boiling plate;
FIG. 4 is a schematic structural diagram of a hidden cooling chamber of the boiling cooling bed;
FIG. 5 is a schematic view of the feed inlet;
FIG. 6 is a schematic view of the structure of the spraying device;
fig. 7 is a schematic view of the structure of the spray head;
FIG. 8 is a schematic view of a baffle installation;
fig. 9 is a multistage cold water circulation device.
In the figure: 1. a bed body; 11. a boiling plate; 111. a vent hole; 112. a hood; 12. a cooling chamber; 121. an air outlet; 122. a sand inlet; 123. a sand outlet; 124. a feeding cylinder; 125. a material guide plate; 13. an air inlet chamber; 131. an air inlet; 132. a baffle; 14. a blower; 15. vibrating a motor; 2. a spraying device; 21. a spray tube; 22. a spray head; 221. a chamber portion; 222. a nozzle; 3. a cooling device; 31. a cooling tube; 4. a multistage cold water circulating device; 41. a cold water tank; 42. and (4) a water circulating pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A boiling cooling bed, referring to fig. 1 and 2, comprises a bed body 1, a boiling plate 11 is fixed in the bed body 1, and the boiling plate 11 divides the bed body 1 into an upper cooling chamber 12 and a lower air inlet chamber 13. A sand inlet 122 and a sand outlet 123 are respectively arranged on two sides of the cooling chamber 12; the side surface of the air inlet chamber 13 is provided with an air inlet 131, and the air inlet 131 is connected with an air blower 14; an air outlet 121 is provided at the upper part of the cooling chamber 12.
Referring to fig. 2 and 3, the boiling plate 11 is provided with uniformly distributed vent holes 111, a hood 112 is arranged at the vent holes 111, and a tuyere of the hood 112 faces the sand outlet 123. Under the action of the blower 14, air enters the air inlet chamber 13 from the air inlet 131, and is blown out obliquely from the blast cap 112 towards the end of the sand outlet 123 through the vent hole 111; the used sand placed on the boiling plate 11 rolls under the action of wind and moves forward to the sand outlet 123, so that the heat of the used sand placed on the boiling plate 11 is taken away, and the effect of cooling the used sand is achieved; the air entering the cooling chamber 12 is discharged from the air outlet 121.
Referring to fig. 2 and 4, the boiling plate 11 is inclined downwards from one end of the sand inlet 122 to one end of the sand outlet 123, and the vibration motor 15 is installed on the outer side wall of the air inlet chamber 13. The obliquely arranged boiling plate 11 can utilize the gravity of the used sand to assist the used sand to be transported to the end 123 of the sand outlet; the vibration motor 15 can vibrate the used sand on the boiling plate 11 to prevent the local used sand on the boiling plate 11 from being accumulated and stopped.
Referring to fig. 2 and 5, an inclined barrel 124 is provided above the sand inlet 122; a plurality of guide plates 125 with uniform intervals are fixed on the sand inlet 122, the used sand entering from the charging barrel 124 slides downwards along the cylinder wall of the charging barrel 124 under the action of gravity, enters the elongated channel separated by the guide plates 125 under the separation action of the guide plates 125, and is uniformly scattered on the boiling plate 11 through the separation and flow direction guide of the used sand by the guide plates 125, so that the used sand can be uniformly and fully cooled.
Referring to fig. 2 and 5, the spraying device 2 is arranged above the boiling plate 11 at one end of the sand inlet 122, used sand entering the cooling chamber 12 is humidified by the spraying device 2, and the used sand is blown over by wind to accelerate the evaporation speed of moisture in the wet sand, so that the heat of the used sand is taken away, and a better cooling effect is achieved on the used sand.
Referring to fig. 5 and 6, the spraying device 2 includes a plurality of spraying pipes 21 connected in parallel, a plurality of spraying heads 22 are arranged on the spraying pipes 21, water in the spraying pipes 21 is uniformly sprayed on the used sand on the boiling plate 11 at the sand inlet 122 end by the spraying heads 22, the humidified used sand continuously moves towards the sand outlet 123 under the action of wind power and vibration force, and the used sand continuously entering from the sand inlet 122 end is sprayed and humidified by the spraying device 2, so that the used sand entering the cooling chamber 12 can be uniformly humidified.
Referring to fig. 7, the spray head 22 comprises a chamber part 221 and a nozzle 222, and the nozzle 222 is spherically hinged with the chamber part 221, so that the nozzle 222 can change the matching angle with the chamber part 221, further change the spraying angle of the spray head 22, and have better spraying and humidifying effects on the used sand.
Referring to fig. 2 and 8, a plurality of uniformly spaced baffles 132 are disposed inside the air inlet chamber 13, and the air entering from the air inlet 131 is guided by the baffles 132 to the boiling plate 11 and then enters the cooling chamber 12 through the hood 112. The guide plate 132 is arranged in the air inlet chamber 13, so that the airflow in the air inlet chamber 13 can be prevented from flowing disorderly, and the wind power can flow to the boiling plate 11 orderly and enter the cooling chamber from the blast cap 112; the poor cooling and transportation effect of the used sand caused by the unstable and insufficient wind power is prevented.
Referring to fig. 2 and 9, the boiling plate 11 is made of a heat conductive material such as iron, copper, stainless steel, etc., and the cooling device 3 for absorbing heat of used sand on the boiling plate 11 and the boiling plate 11 is disposed below the boiling plate 11. The cooling device 3 comprises a cooling pipe 31, and the cooling pipe 31 is uniformly distributed below the boiling plate 11 and is in contact with the boiling plate 11. The used sand placed on the boiling plate 11, and heat is conducted to the cooling pipe 31 through the boiling plate 11 so as to play a role in cooling the used sand.
Referring to fig. 9, a multistage cold water circulating apparatus 4 for circulating and cooling water in the cooling pipe 31 is connected to the cooling pipe 31, and the multistage cold water circulating apparatus 4 includes a plurality of cold water tanks 41 connected in series with each other and a circulating water pump 42 for circulating water in the cooling pipe 31. The water discharged from the cooling pipe 31 is pumped into the primary-cooling cold water tank 41 by the circulating water pump 42, when the water level in the secondary-cooling cold water tank 41 is insufficient, the water in the primary-cooling cold water tank 41 enters the secondary-cooling cold water tank 41 to be cooled, and the water in the cold water tank 41 at the tail end is cooled through multi-stage cooling and pumped into the cooling pipe 31 by the circulating water pump 42.
The specific operation mode is as follows:
the used sand entering from the charging barrel 124 is evenly scattered on the boiling plate 11 under the action of gravity through the separation and flow guiding action of the material guide plate 125; the used sand entering the cooling chamber 12 is uniformly humidified by the spraying device 2. Under the action of the blower 14, air enters the air inlet chamber 13 from the air inlet 131, and is blown out in the direction of the sand outlet 123 obliquely from the blast cap 112 on the boiling plate 11 by the guiding action of the guide plate 132; under the action of wind power and the vibration of the vibration motor 15, the used sand is rolled on the boiling plate 11 and is conveyed towards the sand outlet 123. The cooling device 3 positioned below the boiling plate 11 is circularly supplied with cold water by the multistage cold water circulating device 4, and takes away heat conducted by used sand, thereby playing a role in cooling the used sand. The air in the cooling chamber 12 is discharged from the air outlet 121, and the used sand is discharged from the sand outlet 123. The boiling cooling bed comprehensively adopts three cooling modes of air cooling, water cooling and evaporation cooling, and has high cooling speed and uniform cooling on the used sand.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. A boiling cooling bed comprises a bed body (1), wherein a boiling plate (11) is arranged in the bed body (1), and the boiling plate (11) divides the bed body (1) into an upper cooling chamber (12) and a lower air inlet chamber (13); the air inlet chamber (13) is provided with an air inlet (131), and the two sides of the cooling chamber (12) are respectively provided with a sand inlet (122) and a sand outlet (123); the boiling plate (11) is provided with uniformly distributed vent holes (111), the vent holes (111) are provided with air caps (112), and air ports of the air caps (112) face the sand outlet (123); the cooling chamber (12) top is equipped with air outlet (121), its characterized in that: an inclined feeding cylinder (124) is arranged above the sand inlet (122), and a plurality of material guide plates (125) with uniform gaps are arranged on the sand inlet (122); a spraying device (2) is arranged above the boiling plate (11) close to one end of the sand inlet (122); the boiling plate (11) is made of heat conducting materials, and a cooling device (3) for absorbing the heat of the old sand on the boiling plate (11) and the boiling plate (11) is arranged below the boiling plate (11); the cooling device (3) comprises a cooling pipe (31) which is fixed below the boiling plate (11) and is filled with cold water; the cooling pipe (31) is communicated with a multistage cold water circulating device (4) for circularly cooling the water flow in the cooling pipe; the multistage cold water circulating device (4) comprises a plurality of cold water tanks (41) connected in series and a circulating water pump (42) for circulating cold water in the cold water tanks (41) and water in the cooling pipe (31).
2. The boiling cooling bed of claim 1, wherein: the spraying device (2) comprises a plurality of spraying pipes (21) which are positioned above the boiling plate (11) and connected in parallel, and a plurality of spraying heads (22) are arranged on the spraying pipes (21).
3. The boiling cooling bed of claim 2, wherein: the spray head (22) comprises a cavity part (221) and a nozzle (222), and the nozzle (222) is in spherical hinge joint with the cavity part (221).
4. The boiling cooling bed of claim 1, wherein: the boiling plate (11) is inclined downwards from the sand inlet (122) to the sand outlet (123), and the outer side wall of the air inlet chamber (13) is provided with a vibration motor (15).
5. The boiling cooling bed of claim 1, wherein: a plurality of guide plates (132) with uniform intervals are arranged in the air inlet chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119281.0A CN108380816B (en) | 2018-02-06 | 2018-02-06 | Boiling cooling bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119281.0A CN108380816B (en) | 2018-02-06 | 2018-02-06 | Boiling cooling bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108380816A CN108380816A (en) | 2018-08-10 |
| CN108380816B true CN108380816B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810119281.0A Active CN108380816B (en) | 2018-02-06 | 2018-02-06 | Boiling cooling bed |
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| Country | Link |
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| CN (1) | CN108380816B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909446B (en) * | 2019-03-15 | 2020-12-22 | 四川共享铸造有限公司 | Cooling flow channel |
| CN111112547A (en) * | 2020-01-21 | 2020-05-08 | 大连冰山金属技术有限公司 | Molding sand regeneration treatment process and system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406929B (en) * | 2008-08-26 | 2010-09-08 | 张二洪 | Double-mass vibrating mould sand boiling-cooling lathe |
| CN203109163U (en) * | 2013-02-18 | 2013-08-07 | 十堰长江造型材料有限公司 | Fixed boiling cooling bed |
| CN104624947A (en) * | 2013-11-06 | 2015-05-20 | 无锡市康晖机械制造有限公司 | Vibration boiling cooling bed |
| CN203649311U (en) * | 2013-11-06 | 2014-06-18 | 无锡市康晖机械制造有限公司 | Boiling cooling bed |
| CN203565788U (en) * | 2013-11-06 | 2014-04-30 | 无锡市康晖机械制造有限公司 | Vibration boiling cooling bed body |
| CN204234660U (en) * | 2014-10-27 | 2015-04-01 | 江阴市第三铸造机械有限公司 | The boiling cooling bed of sand preparing system |
| CN104493079A (en) * | 2014-12-31 | 2015-04-08 | 天津宁康科技有限公司 | Direct-blowing boiling cooling bed |
| CN106363127A (en) * | 2016-08-29 | 2017-02-01 | 天津众达精密机械有限公司 | Boiling cooling bed |
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2018
- 2018-02-06 CN CN201810119281.0A patent/CN108380816B/en active Active
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| CN108380816A (en) | 2018-08-10 |
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Effective date of registration: 20210305 Address after: 266700 Tianzhuang Town, Pingdu City, Qingdao City, Shandong Province Patentee after: Qingdao Rongtai Sand Treatment Technology Co.,Ltd. Address before: 266700 Tianzhuang Town Industrial Park, Pingdu City, Qingdao City, Shandong Province Patentee before: QINGDAO RONGTAI CASTING MACHINERY Co.,Ltd. |