CN103934412B - Cast waste sand continuous washing reclamation set - Google Patents
Cast waste sand continuous washing reclamation set Download PDFInfo
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- CN103934412B CN103934412B CN201410156025.0A CN201410156025A CN103934412B CN 103934412 B CN103934412 B CN 103934412B CN 201410156025 A CN201410156025 A CN 201410156025A CN 103934412 B CN103934412 B CN 103934412B
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Abstract
The present invention relates to a kind of cast waste sand continuous washing reclamation set, belong to cast used sand resource recycling technical field.It comprises immersion bucket, sand bucket amount device, continuous high-speed water washing device, centrifugal drier, evaporimeter, flotation device, continuously sludge discharging machine and rack platform, continuous high-speed water washing device and flotation device are fixed in rack platform top, continuous formula high speed water cleaning device is connected by outlet pipe with flotation device, continuous high-speed water washing device upper end connects soaks bucket, and the junction of continuous high-speed water washing device and immersion bucket is provided with sand bucket amount device.Be provided with centrifugal drier below the sand export of continuous high-speed water washing device, below the sand export of centrifugal drier, be provided with evaporimeter.The present invention is easy to use, reliable operation, and cost is lower; The water of process antiquated sand washing can recycle, and has saved resource; Higher by the chiltern amount after the process of continuous high-speed water washing device, regeneration rate is high.
Description
Technical field
The present invention relates to a kind of cast waste sand continuous washing reclamation set, relate to and waterglass, alkali phenolic aldehyde, clay sand old sand are advanced after washing demoulding through dewaterer, evaporimeter process acquisition reclaimed sand through auger, a set of casting model powder continuous washing reuse equipment of the middle water that sewage makes sewage become to can be recycled through special floatation sewage disposal system, belongs to cast used sand resource recycling technical field.
Background technology
Sand casting is the basic technology in Foundry Production, and in casting industry, the foundry goods of about 90% is the explained hereafter adopting sand casting.Manufacture one ton of qualified foundry goods, approximately need the sand mold of a ton.The basic raw material manufacturing sand mold is casting model powder and moulding sand binder, and the most frequently used casting model powder is siliceous sand.The casting industry of China needs the siliceous sand of more than 4,000 ten thousand tons every year.A large amount of siliceous sands derives from nature, but along with the development of Building Trade in China and the construction of infrastructure also need a large amount of sand, cause natural sand resource fewer and feweri, the cost of exploitation is more and more higher, in order to the sustainable development of casting industry, the antiquated sand of rear generation made by necessary recycling foundry goods.
The renovation process of traditional antiquated sand has thermal reclamation, wet reclamation and mechanical friction regeneration etc., in order to obtain reclaimed sand of fine quality, general adopts thermal reclamation and mechanical friction regeneration to combine or the combining of wet reclamation and mechanical friction regeneration.A kind of wet method demoulding regeneration that sand is discarded in current casting adopts ground pit type fermentation vat structure, there is the drawbacks such as floor space is large, productivity ratio is low, and civil engineering structure investment is large; Another kind of vertical mixing core structure, also exists the problems such as equipment occupation space is large, kinetic energy consumption is large.Traditional thermal reclamation and machinery regeneration have certain limitation to a certain extent, can not meet the technological requirement of casting technique to reclaimed sand.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thus provide a kind of cast waste sand continuous washing reclamation set, the reuse casting model powder quality of processing is high, and regeneration rate is high, energy-conserving and environment-protective, and cost is lower.
According to technical scheme provided by the invention, cast waste sand continuous washing reuse equipment comprises immersion bucket, sand bucket amount device, continuous high-speed water washing device, centrifugal drier, evaporimeter, flotation device, continuously sludge discharging machine and rack platform, it is characterized in that: continuous high-speed water washing device and flotation device are fixed in rack platform top, continuous formula high speed water cleaning device is connected by outlet pipe with flotation device, continuous high-speed water washing device upper end connects soaks bucket, and the junction of continuous high-speed water washing device and immersion bucket is provided with sand bucket amount device, described continuous high-speed water washing device comprises housing, shell one end fixes cage motor, by bearing, shaft is installed in housing, the cage motor-driven rotation that shaft is connected by one end, shaft evenly arranges multiple hilt vertically, housing inner bottom part arranges a water fender along shaft direction every a segment distance, housing upper is provided with sand inlet, lower housing portion front end is provided with sand export, housing is provided with the first water inlet, second water inlet and delivery port, first water inlet connects centrifugal drier by the first water inlet pipe, second water inlet connects filtered water tank by the second water inlet pipe, delivery port connects flotation device by outlet pipe, flotation device connects filtered water tank by flotation device outlet pipe, and flotation device connects continuous sludge discharging machine by flotation device blow-off pipe, and continuous sludge discharging machine is connected with foul water tank, be provided with centrifugal drier below the sand export of continuous high-speed water washing device, below the sand export of centrifugal drier, be provided with evaporimeter.
Further, sand bucket amount device comprises the Pneumatic gate valve and system sand gate valve that connect up and down, and Pneumatic gate valve is connected to and soaks bucket lower end, and system sand gate valve is connected to continuous high-speed water washing device upper end.
Further, housing upper is provided with access door.
Further, housing bottom is provided with gyroaxis bearing, and housing is fixed on rack platform top by gyroaxis bearing.
Further, evaporimeter comprises centrifugal fan, body, exciting vibration spring, vibrating motor and base, base is fixed multiple exciting vibration spring, and exciting vibration spring upper end supports body, and body connects centrifugal fan; Be provided with vibration boiling plate from top to bottom in body, vibration boiling plate drives vibration by the vibrating motor of organism bottom.
Compared with the prior art the present invention has the following advantages:
Structure of the present invention is simple, compact, reasonable, easy to use, reliable operation, and cost is lower; The water of process antiquated sand washing can recycle, and has saved resource; Higher by the chiltern amount after the process of continuous high-speed water washing device, regeneration rate is high.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is evaporation structure schematic diagram.
Fig. 4 is continuous high-speed water washing device front view.
Fig. 5 is continuous high-speed water washing device side view.
Description of reference numerals: 1-soaks bucket, 2-sand bucket amount device, 2.1-Pneumatic gate valve, 2.2-system sand gate valve, 3-continuous high-speed water washing device, 3.1-cage motor, 3.2-housing, 3.3-shaft, 3.4-sand inlet, 3.5-sand export, 3.6-water fender, 3.7-hilt, 3.8-access door, 3.9-gyroaxis bearing, 3.10-delivery port, 3.11-the first water inlet, 3.12-the second water inlet, 4-centrifugal drier, 5-evaporimeter, 5.1-centrifugal fan, 5.2-body, 5.3-exciting vibration spring, 5.4-vibrating motor, 5.5-base, 6-flotation device, the continuous sludge discharging machine of 7-, 8-rack platform, 9-filtered water tank, 10-foul water tank.
Detailed description of the invention
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1 and 2, the present invention mainly comprises immersion bucket 1, sand bucket amount device 2, continuous high-speed water washing device 3, centrifugal drier 4, evaporimeter 5, flotation device 6, continuously sludge discharging machine 7 and rack platform 8, continuous high-speed water washing device 3 and flotation device 6 are fixed in rack platform 8 top, continuous formula high speed water cleaning device 3 is connected by outlet pipe with flotation device 6, and continuous high-speed water washing device 3 upper end connects soaks bucket 1.
The junction of continuous high-speed water washing device 3 and immersion bucket 1 is provided with sand bucket amount device 2, sand bucket amount device 2 comprises the Pneumatic gate valve 2.1 and system sand gate valve 2.2 that connect up and down, Pneumatic gate valve 2.1 is connected to and soaks bucket 1 lower end, and system sand gate valve 2.2 is connected to continuous high-speed water washing device 3 upper end.Sand bucket amount device 2 controls sand water quantitatively to be passed through.
As shown in Fig. 4 ~ 5, described continuous high-speed water washing device 3 comprises housing 3.2, and cage motor 3.1 is fixed in housing 3.2 one end, and install shaft 3.3 by bearing in housing 3.2, the cage motor 3.1 that shaft 3.3 is connected by one end drives rotation.Shaft 3.3 evenly arranges multiple hilt 3.7 vertically.Housing 3.2 inner bottom part arranges a water fender 3.6 along shaft 3.3 direction every a segment distance.Housing 3.2 top is provided with sand inlet 3.4, and sand inlet 3.4 soaks bucket 1 for connecting.Housing 3.2 lower front part is provided with sand export 3.5, and sand export 3.5 is for connecting dewaterer 4.Housing 3.2 is provided with the first water inlet 3.11, second water inlet 3.12 and delivery port 3.10, first water inlet 3.11 and connects centrifugal drier 4, first water inlet 3.11 place by the first water inlet pipe and to add in dewaterer 4 water out; Second water inlet 3.12 connects filtered water tank 9, second water inlet 3.12 place by the second water inlet pipe and adds supplementary water purification; Delivery port 3.10 connects flotation device 6 by outlet pipe.Described housing 3.2 top is provided with access door 3.8, facilitates staff to overhaul.Be provided with gyroaxis bearing 3.9 bottom housing 3.2, housing 3.2 is fixed on rack platform 8 top by gyroaxis bearing 3.9.
Flotation device 6 connects filtered water tank 9 by flotation device outlet pipe, and flotation device 6 connects continuous sludge discharging machine 7 by flotation device blow-off pipe, and continuous sludge discharging machine 7 is connected with foul water tank 10.Flotation device 6 enters filtered water tank 9 after sewage disposal is become clear water, and the sewage of generation enters in continuous sludge discharging machine 7 and enters in foul water tank 10 after process.
Be provided with centrifugal drier 4 below the sand export 3.5 of continuous high-speed water washing device 3, below the sand export of centrifugal drier 4, be provided with evaporimeter 5.Centrifugal drier 4 adopts driven by motor rotary drum (cone-element) to run up, and the moisture content in reclaimed sand is removed by physics centrifugal process, makes content of residual water arrive 2-4%, then enter evaporimeter, moisture content is dried to 0.5%, meet return sand technological requirement.Below the sand export of centrifugal drier 4 except connecting evaporimeter 5, the post processing modes such as bucket elevator, vibrating transportation, conveying worm, air-transport system, belt feeder, vehicle conveying can also be connected.
As shown in Figure 3, described evaporimeter 5 comprises centrifugal fan 5.1, body 5.2, exciting vibration spring 5.3, vibrating motor 5.4 and base 5.5, base 5.5 is fixed multiple exciting vibration spring 5.3, exciting vibration spring 5.3 upper end supports body 5.2, body 5.2 connects centrifugal fan 5.1.Be provided with vibration boiling plate from top to bottom in body 5.2, vibration boiling plate drives vibration by the vibrating motor 5.4 bottom body 5.2.After old sand enters evaporimeter, the evaporation of sand water is separated by the mechanism of being seethed with excitement by air blast, and make sand water content between 1-3%, wherein moisture content does not enter dust pelletizing system, prevents dust-collecting bag from condensing.The boiling of recycling hot blast, the return sand of the moisture content of 1-3% is carried out heat exchange, and the requirement of drying moisture content≤0.5% prevents deduster from condensing.
Operation principle of the present invention is: during work, old sand quantitatively enters continuous high-speed water washing device from immersion bucket by sand water proportioning device, old sand advances through hilt stirring and rotation at a high speed, make sand grains in continuous high-speed water washing device in mulling evenly and constantly push ahead, sewage is discharged to flotation device by delivery port and processes, water after process is discharged in filtered water tank, and the water that the second water inlet of filtered water tank and continuous high-speed water washing device adds in filtered water tank recycles.Sand grains is that great-jump-forward advances at water fender place, at sand export place, the sand grains that the demoulding is good is discharged in dewaterer, Sha Heshui is separated.Sand grains after the washing demoulding enters evaporimeter, makes sand obtain the effect of oven dry, dedust.By the water that dewaterer is separated, enter into first water inlet in continuous high-speed water washing device, water can be recycled.Entering into continuous sludge discharging machine by the sewage of flotation device process makes its isolated sewage discharge in foul water tank.
Claims (5)
1. a cast waste sand continuous washing reclamation set, comprise and soak bucket (1), sand bucket amount device (2), continuous high-speed water washing device (3), centrifugal drier (4), evaporimeter (5), flotation device (6), continuous sludge discharging machine (7) and rack platform (8), it is characterized in that: continuous high-speed water washing device (3) and flotation device (6) are fixed in rack platform (8) top, continuous high-speed water washing device (3) is connected by outlet pipe with flotation device (6), continuous high-speed water washing device (3) upper end connects soaks bucket (1), the junction of continuous high-speed water washing device (3) and immersion bucket (1) is provided with sand bucket amount device (2), described continuous high-speed water washing device (3) comprises housing (3.2), cage motor (3.1) is fixed in housing (3.2) one end, by bearing, shaft (3.3) is installed in housing (3.2), the cage motor (3.1) that shaft (3.3) is connected by one end drives and rotates, shaft (3.3) evenly arranges multiple hilt (3.7) vertically, housing (3.2) inner bottom part arranges a water fender (3.6) along shaft (3.3) direction every a segment distance, housing (3.2) top is provided with sand inlet (3.4), housing (3.2) lower front part is provided with sand export (3.5), housing (3.2) is provided with the first water inlet (3.11), second water inlet (3.12) and delivery port (3.10), first water inlet (3.11) connects centrifugal drier (4) by the first water inlet pipe, second water inlet (3.12) connects filtered water tank (9) by the second water inlet pipe, delivery port (3.10) connects flotation device (6) by outlet pipe, flotation device (6) connects filtered water tank (9) by flotation device outlet pipe, and flotation device (6) connects continuous sludge discharging machine (7) by flotation device blow-off pipe, and continuous sludge discharging machine (7) is connected with foul water tank (10), sand export (3.5) below of continuous high-speed water washing device (3) is provided with centrifugal drier (4), is provided with evaporimeter (5) below the sand export of centrifugal drier (4).
2. cast waste sand continuous washing reclamation set as claimed in claim 1, it is characterized in that: described sand bucket amount device (2) comprises the Pneumatic gate valve (2.1) and system sand gate valve (2.2) that connect up and down, Pneumatic gate valve (2.1) is connected to and soaks bucket (1) lower end, and system sand gate valve (2.2) is connected to continuous high-speed water washing device (3) upper end.
3. cast waste sand continuous washing reclamation set as claimed in claim 1, is characterized in that: described housing (3.2) top is provided with access door (3.8).
4. cast waste sand continuous washing reclamation set as claimed in claim 1, is characterized in that: described housing (3.2) bottom is provided with gyroaxis bearing (3.9), and housing (3.2) is fixed on rack platform (8) top by gyroaxis bearing (3.9).
5. cast waste sand continuous washing reclamation set as claimed in claim 1, it is characterized in that: described evaporimeter (5) comprises centrifugal fan (5.1), body (5.2), exciting vibration spring (5.3), vibrating motor (5.4) and base (5.5), the upper fixing multiple exciting vibration spring (5.3) of base (5.5), exciting vibration spring (5.3) upper end supports body (5.2), body (5.2) connects centrifugal fan (5.1); Body is provided with vibration boiling plate from top to bottom in (5.2), and vibration boiling plate drives vibration by the vibrating motor (5.4) of body (5.2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156025.0A CN103934412B (en) | 2014-04-17 | 2014-04-17 | Cast waste sand continuous washing reclamation set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156025.0A CN103934412B (en) | 2014-04-17 | 2014-04-17 | Cast waste sand continuous washing reclamation set |
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| Publication Number | Publication Date |
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| CN103934412A CN103934412A (en) | 2014-07-23 |
| CN103934412B true CN103934412B (en) | 2015-10-07 |
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| CN201410156025.0A Expired - Fee Related CN103934412B (en) | 2014-04-17 | 2014-04-17 | Cast waste sand continuous washing reclamation set |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107225211B (en) * | 2017-05-22 | 2019-09-20 | 无锡锡南铸造机械股份有限公司 | Multi-station full-automatic pocket type centrifugal dehydrator |
| CN107159837B (en) * | 2017-05-31 | 2019-02-01 | 华中科技大学 | A kind of drum-type old sand wet reclamation and dewatering integrated equipment and its application method |
| CN108687302B (en) * | 2018-07-04 | 2024-02-23 | 柳晶（溧阳）环保科技有限公司 | Novel waste sand regeneration device |
| CN110961572B (en) * | 2019-12-31 | 2021-11-09 | 合肥正特机械有限公司 | Automatic sand washing device for mechanical casting |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB553682A (en) * | 1941-12-01 | 1943-06-01 | August Joseph Barnebl | Improved foundry method and apparatus |
| GB729644A (en) * | 1951-11-15 | 1955-05-11 | Coleman Wallwork Company Ltd | Improvements relating to the cooling of foundry sand |
| JP3125274B2 (en) * | 1994-01-21 | 2001-01-15 | 新東工業株式会社 | Moisture adjustment device for foundry sand |
| DE19545917B4 (en) * | 1995-07-24 | 2004-09-16 | Künkel-Wagner Prozesstechnologie GmbH | Device and method for dispersing bentonite and for treating foundry circulating sand |
| CN201423427Y (en) * | 2009-01-15 | 2010-03-17 | 十堰飞远汽车零部件有限公司 | Scrubber for casting water glass |
| CN201482914U (en) * | 2009-06-08 | 2010-05-26 | 张培根 | Water glass waste sand regeneration system |
| CN103240386B (en) * | 2012-02-01 | 2015-06-03 | 重庆汇亚通铸造材料有限公司 | Milling regeneration method of used water glass sands |
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Granted publication date: 20151007 Termination date: 20210417 |