CN203156024U - Device for pneumatic degritting and grit regenerating of castings - Google Patents
Device for pneumatic degritting and grit regenerating of castings Download PDFInfo
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- CN203156024U CN203156024U CN 201320181328 CN201320181328U CN203156024U CN 203156024 U CN203156024 U CN 203156024U CN 201320181328 CN201320181328 CN 201320181328 CN 201320181328 U CN201320181328 U CN 201320181328U CN 203156024 U CN203156024 U CN 203156024U
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Abstract
The utility model provides a device for pneumatic degritting and grit regenerating of castings. A furnace body of a degritting furnace is separated by a sealing partition into a floating pressure chamber and a flow state bed chamber. A plurality of high-temperature hot-wind nozzles are arranged in the flow state bed chamber, and are connected to a combustion chamber outside the furnace body. The combustion chamber is further connected with a combustion air tube and a first high-pressure fan. The floating pressure chamber is connected with a second high-pressure fan. A plurality of air nozzles are arranged at positions, facing the flow state bed chamber, on the sealing partition. A sealing plate with a plurality of air blowing nozzles is arranged in an air cooling chamber. The air cooling chamber is separated by the sealing plate into a lower air pressure chamber and an upper grading chamber. The air pressure chamber is connected with a third high-pressure fan. A door on the side wall of the grading chamber is communicated to a girt outlet. The grading chamber is communicated with the flow state bed chamber. The door at the top of the grading chamber is connected with a dust remover through a dedusting pipeline. With the device, grit discharging, core removing and used-grit regenerating procedures can be processed intensively.
Description
Technical field
The utility model relates to a kind of foundry goods is concentrated and carries out the device that operations such as fluidised form desanding stove and fluidised form desanding method are cast in knockout, decoring and old sand thermal reclamation, and more typically can be applicable to the automobile engine parts is main core assembly (precision molding) cast cast iron, the operations such as knockout, decoring and regenerating used of wriggle iron and aluminium alloy cylinder and cylinder cap and tide mould sand moulding and metal mold low pressure process casting cast iron and aluminium alloy cylinder and cylinder cap.
Background technology
Traditional sand mold (comprising core assembly) casting technique all is to carry out operations such as knockout, decoring and regenerating used after the sand mold casting of molten metal is by supercooling separately at present, wherein:
Knockout---foundry goods is separated with core sand as much as possible with molding sand, so that follow-up acceleration is cooled off and carried out separating of dead head.The traditional common method is mechanical oscillation, and this can produce the foundry goods lacerated wound, collide with and a large amount of dust, is the worst work step of working environment in the Foundry Works, and modern designs adopts mechanical oscillation to add the people and drives manipulator and cooperate and finish.
Decore---in order to remove the core sand of foundry goods inside, make the core cavity cleaning.Traditional way is to use mechanical-vibration type core breaker, ball blast and labor cleaning; Can produce the foundry goods lacerated wound equally, collide with and a large amount of dust, also be big, the worst work step of working environment of labour intensity in the Foundry Works.Modern designs adopts robot loading and unloading and vibration core breaker to cooperate and finishes.
Sand regeneration---be back to moulding and coremaking after the processing of old sand through machinery or thermal reclamation system.Traditional process is to have fragmentation-magnetic separation-machinery regeneration (thermal reclamation)-cooling-classification dedusting to add that the regenerative system of multistage conveying composition finishes.According to traditional handicraft, 100% Chemical Felter sand regeneration back 75-85% can be back to use moulding and coremaking, and 100% clay-bonded sand regeneration back 90% can be back to use moulding, can not be used for coremaking; Clay-bonded sand and core sand mixed sand can only be regenerated and 85% be used for molding sand or part producing precoated sand or 20% is used for coremaking.
Under the guiding of traditional casting production process, the Foundry Production workshop all is to carry out the technology arrangement design, select each operation special equipment, carry out the design of factory building and public utility again by process sequence.Therefore equipment is many, plant area is big, power consumption is big, waste discharge is many, personnel are many, poor working environment.It is big to produce investment in a word, and the operating cost height causes the castings production cost up, has destroyed humanity and natural environment.
Summary of the invention
The utility model provides the device of the pneumatic desanding of a kind of foundry goods and sand regeneration, operations such as knockout, decoring and regenerating used are concentrated on a device to be handled, can be implemented in and finish three operations under the environment of sealing and foundry goods does not have injury, do not produce dust, unattended, and can solve following technical problem:
1) replaces traditional technological design and production method;
2) investment of minimizing equipment, manpower, site area reduces production costs;
3) realize green, energy-conserving and environment-protective, intelligent Foundry Production.
For achieving the above object, the technical solution adopted in the utility model comprises:
The device of the pneumatic desanding of a kind of foundry goods and sand regeneration comprises body of heater, it is characterized in that:
Be provided with enclosed baffle in the described body of heater, described enclosed baffle is divided into the fluidised form bed chamber on upper strata and the floating balancing gate pit of rising of lower floor with described body of heater, be provided with a plurality of valves towards described fluidised form bed chamber on the described enclosed baffle, make described fluidised form bed chamber and describedly floating rise the balancing gate pit and be interconnected;
Described body of heater peripheral hardware combuster, described combustion chamber is provided with fuel gas inlet, air intake vent and air outlet, and described air intake vent is communicated to high pressure positive blower No. one, and described air outlet is communicated to is located at the indoor a plurality of high-temperature hot-air nozzles of described fluidised form bed; The described floating balancing gate pit of rising is communicated with No. two high pressure positive blowers.
The device of the pneumatic desanding of described foundry goods and sand regeneration, wherein: also comprise aircooling cabinet, be provided with the closure plate with a plurality of blowing nozzles in the described aircooling cabinet, described closure plate is divided into the air-pressure chamber of below and the grading room of top with described aircooling cabinet, described air-pressure chamber connects high pressure positive blower No. three, described grading room communicates with described fluidised form bed chamber, and described grading room sidewall opens the door and is communicated to sand export, opens the door and connect deduster by cleaning shaft in described grading room top.
The device of the pneumatic desanding of described foundry goods and sand regeneration, wherein: described grading room sidewall opens the door and communicates with the water cooling chamber, is connected to the water-cooled coil pipe in the described water cooling chamber, and water cooling chamber's one side is provided with described sand export.
The device of the pneumatic desanding of described foundry goods and sand regeneration, wherein: be provided with heat exchanger at described cleaning shaft, be equipped with the UTILIZATION OF VESIDUAL HEAT IN pipe in the described heat exchanger, described UTILIZATION OF VESIDUAL HEAT IN Guan Yiduan is communicated with No. four high pressure positive blowers, and the other end is connected to UTILIZATION OF VESIDUAL HEAT IN equipment.
The device of the pneumatic desanding of described foundry goods and sand regeneration, wherein: the air hose between a described high pressure positive blower and the combustion chamber is from snakelike the passing in top of described fluidised form bed chamber, to form heat exchange structure; Described No. two high pressure positive blowers and floating rise gas blow pipe between the balancing gate pit from snakelike the passing in top of described fluidised form bed chamber, to form heat exchange structure.
The method that employing the utility model device carries out the pneumatic desanding of foundry goods and sand regeneration is as follows:
The method of the pneumatic desanding of a kind of foundry goods and sand regeneration is characterized in that, comprises the steps:
1) sand mold that will finish casting is inserted in the fluidised form bed chamber;
2) start working in the combustion chamber, and start high pressure positive blower No. one, the high-temperature gas that produces in the combustion chamber blowed to described sand mold, thereby the sand blast on the sand mold is fallen; By the gas quantity of the indoor temperature detection control combustion chamber of fluidised form bed, make the indoor temperature control of described fluidised form bed at 600-900 degree centigrade;
3) start No. two high pressure positive blowers, gas is blown in the described fluidised form bed chamber, make the indoor sand of described fluidised form bed become fluidised form evenly to heat and flow to sand export, the time that sand stops in fluidised form bed chamber is no less than 15 minutes.
The method of the pneumatic desanding of described foundry goods and sand regeneration, wherein: after step 3, also comprise step:
4) the blown off sand of described fluidised form bed chamber enters in the air-cooling chamber; Start No. three high pressure positive blower, gas is blown in the described air-cooling chamber, described air-cooling chamber has sidewall and opens the door and open the door with the top, enter the sand export discharge that the sand in the described cooling clasfficiator is opened the door and entered in the water cooling chamber and finally arranged by water cooling chamber's one side by described sidewall, be collected as finished product reclaimed sand, the dust in the described cooling clasfficiator is opened the door by described top and enters in the deduster via cleaning shaft.
The method of the pneumatic desanding of described foundry goods and sand regeneration, wherein: the air hose between a described high pressure positive blower and the combustion chamber is from snakelike the passing in top of described fluidised form bed chamber, to form heat exchange structure.
The method of the pneumatic desanding of described foundry goods and sand regeneration, wherein: described No. two high pressure positive blowers are risen gas blow pipe between the balancing gate pit from snakelike the passing in top of described fluidised form bed chamber, with the formation heat exchange structure with floating.
The method of the pneumatic desanding of described foundry goods and sand regeneration, wherein: be provided with heat exchanger at described cleaning shaft, be equipped with the UTILIZATION OF VESIDUAL HEAT IN pipe in the described heat exchanger, described UTILIZATION OF VESIDUAL HEAT IN Guan Yiduan is communicated with No. four high pressure positive blowers, and the other end is connected to UTILIZATION OF VESIDUAL HEAT IN equipment.
Compared with prior art, the beneficial effect that the utlity model has mainly is: carry out the sand step for regeneration in knockout, decoring, saved process time, avoided the existing energy dissipation of ramp regeneration again after the knockout cooling.In addition, each operation of the utility model also respectively has advantage:
Knockout---the utility model is static knockout, and foundry goods and sand mold maintain static, and by hot blast sand is separated with foundry goods.
Decore---the utility model is static except core sand, and foundry goods maintains static, and by hot blast sand is separated with foundry goods.And be under the environment of sealing, to finish.Foundry goods does not have injury, does not produce dust, and is unattended.
Sand regeneration---the utility model is that old sand need not be carried, and thermal reclamation is carried out in the original place, and the regeneration quality is higher than fresh sand, 100% Chemical Felter sand reclamation rate 95%, but clay-bonded sand and core sand mixed sand are used for coremaking through further mechanically rubbing classification processing reuse 75%.
Description of drawings
Fig. 1 is the front section view of the device of the pneumatic desanding of foundry goods that provides of the utility model and sand regeneration;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is that the P of Fig. 1 is to view;
Fig. 4 is process chart of the present utility model.
Description of reference numerals: UTILIZATION OF VESIDUAL HEAT IN pipe 1; No. four high pressure positive blowers 2; Heat exchanger 3; Deduster 4; Cooling clasfficiator 5; Aircooling cabinet 51; Water cooling chamber 52; Closure plate 53; Air-pressure chamber 54; Grading room 55; Sand export 6; Water-cooled coil pipe 7; Enclosed baffle 8; High-temperature hot-air nozzle 91; Valve 92; Blowing nozzle 93; The floating balancing gate pit 10 of rising; Desanding stove 11; Foundry goods 12; Pallet 13; Sand mold 14; Combustion chamber 15; Combustion 16; Roller-way 17; Operating room's door 18; Fluidised form bed chamber 19; Air hose 20; A high pressure positive blower 21; Gas blow pipe 22; No. two high pressure positive blowers 23; No. three high pressure positive blowers 24; Cleaning shaft 25.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model provides the device of the pneumatic desanding of a kind of foundry goods and sand regeneration, comprises body of heater 11, cooling clasfficiator 5 and three major parts of waste-heat recovery device, wherein:
Described body of heater 11, body of heater 11 madial walls are provided with the insulation exotic material, be provided with enclosed baffle 8 in the body of heater 11, the floating fluidised form bed chamber 19 of rising balancing gate pit 10 and upper strata that described body of heater 11 is divided into lower floor, be provided with roller-way 17(or support in the described fluidised form bed chamber 19), described fluidised form bed chamber 19 1 sides are provided with operating room's door 18, be used for the foundry goods 12 that sand mold enters after fluidised form bed chamber 19 or the desanding and shift out fluidised form bed chamber 19, the upper and lower sides of described roller-way 17 is equipped with a plurality of high-temperature hot-air nozzles 91, described high-temperature hot-air nozzle 91 all is connected to the air outlet of the outer combustion chamber 15 of body of heater, described combustion chamber 15 is provided with combustion 16 and air hose 20, as Fig. 1, shown in Figure 3, described air hose 20 is snakelike on the top of described fluidised form bed chamber 19 to be passed and connects high pressure positive blower 21 No. one;
In addition, as Fig. 1, shown in Figure 3, the top of described fluidised form bed chamber 19 is the snakelike gas blow pipe 22 that is equipped with also, and an end of described gas blow pipe 22 connects No. two high pressure positive blowers 23, the other end floating risen balancing gate pit 10 and is communicated with described, is provided with a plurality of valves 92 towards described fluidised form bed chamber 19 on the described enclosed baffle 8;
When using, the sand mold that casting is finished is driven by described roller-way 17, enters the described fluidised form bed chamber 19 from described operating room door 18, closes described operating room door 18 then; Follow 15 work of described combustion chamber, a described high pressure positive blower 21 blows to described sand mold with the high-temperature gas in the combustion chamber 15 from described high-temperature hot-air nozzle 91, sand on the described sand mold is come off, namely finish knockout and decore work step, meanwhile, described No. two high pressure positive blowers 23 work, the air that has absorbed the heat in the fluidised form bed chamber 19 is blowed to fluidised form bed chamber 19 by described valve 92, thereby make the sand that blows off form the fluidised form heating and carry out thermal reclamation, make the sand after the regeneration flow to the side sand export of described fluidised form bed chamber 19 more simultaneously, and flow to described cooling clasfficiator 5.By the temperature detection in the fluidised form bed chamber 19 and the chain control of gas quantity of combustion chamber 15, the temperature in the described fluidised form bed chamber 19 is controlled at 600-900 degree centigrade, and guaranteed that the old sand that blows off from foundry goods is no less than 15 minutes in the indoor fluidised form time of fluidised form.
Described cooling clasfficiator 5, as Fig. 1, Fig. 2, shown in Figure 3, comprise the aircooling cabinet 51 and water cooling chamber 52 that are interconnected, described aircooling cabinet 51 and described fluidised form bed chamber 19 communicate by the gas outlet on the sidewall of the furnace body, join above described gas outlet and the described enclosed baffle 8, make the sand that comes off to enter smoothly in the described aircooling cabinet 51.Be provided with the closure plate 53 with a plurality of blowing nozzles 93 in the described aircooling cabinet 51, described aircooling cabinet 51 is divided into the air-pressure chamber 54 of below and the grading room 55 of top, described air-pressure chamber 54 connects high pressure positive blower 24 No. three, described grading room 55 sidewalls open the door and communicate with described water cooling chamber 52, open the door and connect deduster 4 by cleaning shaft 25 in described grading room 55 tops, in addition, chamber 19 open tops of described fluidised form bed also are communicated to described cleaning shaft 25 and finally are communicated to described deduster 4, be connected to water-cooled coil pipe 7 in the described water cooling chamber 52, water cooling chamber's 52 1 sides are provided with sand export 6.
When using, No. three high pressure positive blower 24 is blown into described air-pressure chamber 54 with wind, up blow from the bottom of described grading room 55 by the blowing nozzle 93 on the closure plate 53 then, the sand and the dust that enter in the grading room 55 are danced in the air in grading room 55, the proportion of sand is bigger, can be opened the door by described grading room 55 sidewalls and enter water cooling chamber 52 then from sand export 6 discharges, be collected as finished product reclaimed sand, the less dust of proportion is then opened the door by described grading room 55 tops and enters by the road in the deduster 4; Meanwhile, also there is the part dust to enter described deduster 4 by described cleaning shaft 25 in the fluidised form bed chamber 19.
Described waste-heat recovery device, as shown in Figure 1, comprise the heat exchanger 3 that is arranged on the described cleaning shaft 25, be equipped with UTILIZATION OF VESIDUAL HEAT IN pipe 1 in the described heat exchanger 3, described UTILIZATION OF VESIDUAL HEAT IN pipe 1 one ends are communicated with No. four high pressure positive blowers 2, and the other end is connected to UTILIZATION OF VESIDUAL HEAT IN equipment (as radiator or drying chamber).
Fig. 1, shown in Figure 4 is provided by the method schematic diagram that the device that adopts the utility model to provide carries out the pneumatic desanding of foundry goods and sand regeneration for another example, comprises the steps:
1) will finish the sand mold 14 of casting and roller-way 17(or the support that pallet 13 is inserted fluidised form bed chamber 19) on;
2) start working in combustion chamber 15, and start high pressure positive blower 21 No. one, the high-temperature gas that produces in the combustion chamber 15 blowed to described sand mold, thereby the sand blast on the sand mold is fallen, and obtains foundry goods 12; By the temperature detection in the fluidised form bed chamber 19 and the chain control of gas quantity of combustion chamber 15, make the temperature in the described fluidised form bed chamber 19 remain on 600-900 degree centigrade, thereby make the sand thermal reclamation simultaneously of blowing off.
3) start No. two high pressure positive blowers 23, gas is blown in the described fluidised form bed chamber 19, make the sand that blows off form the fluidised form thermal regeneration and make sand flow go out described fluidised form bed chamber 19 simultaneously, enter cooling clasfficiator 5; Guarantee that the sand flow attitude is no less than 15 minutes heat time heating time.
4) start No. three high pressure positive blowers 24, gas is blown in the air-cooling chamber of described cooling clasfficiator 5, described air-cooling chamber has sidewall and opens the door and open the door with the top, enter sand export 6 discharges that the sand in the described cooling clasfficiator 5 is opened the door and entered in the water cooling chamber 52 and finally arranged by water cooling chamber's 52 1 sides by described sidewall, be collected as finished product reclaimed sand, the dust in the described cooling clasfficiator 5 is opened the door by described top and enters in the deduster 4 via cleaning shaft 25.
In the desanding of the above-mentioned casting fluidised form bed cooling stage division, the air hose 20 between high pressure positive blower 21 and the combustion chamber 15 with the formation heat exchange structure, is beneficial to the heat that absorbs in the described fluidised form bed chamber 19 from snakelike the passing in top of described fluidised form bed chamber 19.
In the desanding cooling stage division of above-mentioned casting fluidised form bed, No. two high pressure positive blowers 23 and floatingly rise gas blow pipe 22 between the balancing gate pit 10 from snakelike the passing in top of described fluidised form bed chamber 19, to form another heat exchange structure, to be beneficial to the heat that absorbs in the described fluidised form bed chamber 19.
In the desanding cooling stage division of above-mentioned casting fluidised form bed, be provided with heat exchanger 3 at described cleaning shaft 25, be equipped with UTILIZATION OF VESIDUAL HEAT IN pipe 1 in the described heat exchanger 3, described UTILIZATION OF VESIDUAL HEAT IN pipe 1 one ends are communicated with No. four high pressure positive blowers 2, and the other end is connected to UTILIZATION OF VESIDUAL HEAT IN equipment.
By above-mentioned record as can be known, the utlity model has following advantage:
The utility model is the most abominable with three foundry work environment, complicated step is comprehensive integrated finishes the short flow process of technology, facility compact, closed operation, energy-conserving and environment-protective green for technology.
Temperature and the dust content of cooling clasfficiator 5 controlled reclaimed sands of the present utility model do not need indirect conveying.
In the fluidised form bed chamber 19 of employing of the present utility model air current flow is arranged, constitute the power that knockout, decoring, foundry goods pre-cleaning and sand are carried.
Combustion gas heating of the present utility model is an interior supplemental heat source, has strengthened the efficient of hot blast knockout and decoring.
Waste-heat recovery device of the present utility model takes full advantage of the heat energy preheating, accomplishes energy-saving and emission-reduction.
The utility model is applied in more apparent characteristics on the core assembling technology, saves equipment investment 30%, saving process materials 40%, minimizing cost of labor 10%, craft flexibility and optimization rate and improves 15%, has very high economy and social value:
1) with 70/hour of the production lines of truck cylinder body, the fluidised form bed is invested 4,500 ten thousand and is example, can replace knockout in traditional tide mould sand technology, decoring, sand regeneration, the investment about 20,000,000 of saving equipment; Can be the energy and the about 500KW of power consumption that project is saved.
2) if be applied in core assembling technology, also can save the processing of mo(u)lding line and sand and sand regeneration, can save equipment investment 40%.
3) annual according to 4 lines sale, income from sales 1.8 hundred million, profit about 50% behind the formation product.
Above embodiment describes the utility model; but not the summary of being restricted property; those of ordinary skills are under the guidance of inventive concept of the present utility model; can also make modification and replacement on a lot of conventional structures, these are revised with replacement and also should be considered to belong among the protection domain of the present utility model.
Claims (5)
1. the device of the pneumatic desanding of foundry goods and sand regeneration comprises body of heater, it is characterized in that:
Be provided with enclosed baffle in the described body of heater, described enclosed baffle is divided into the fluidised form bed chamber on upper strata and the floating balancing gate pit of rising of lower floor with described body of heater, be provided with a plurality of valves towards described fluidised form bed chamber on the described enclosed baffle, make described fluidised form bed chamber and describedly floating rise the balancing gate pit and be interconnected;
Described body of heater peripheral hardware combuster, described combustion chamber is provided with fuel gas inlet, air intake vent and air outlet, and described air intake vent is communicated to high pressure positive blower No. one, and described air outlet is communicated to is located at the indoor a plurality of high-temperature hot-air nozzles of described fluidised form bed; The described floating balancing gate pit of rising is communicated with No. two high pressure positive blowers.
The pneumatic desanding of foundry goods according to claim 1 and sand regeneration device, it is characterized in that: also comprise aircooling cabinet, be provided with the closure plate with a plurality of blowing nozzles in the described aircooling cabinet, described closure plate is divided into the air-pressure chamber of below and the grading room of top with described aircooling cabinet, described air-pressure chamber connects high pressure positive blower No. three, described grading room communicates with described fluidised form bed chamber, and described grading room sidewall opens the door and is communicated to sand export, opens the door and connect deduster by cleaning shaft in described grading room top.
The pneumatic desanding of foundry goods according to claim 2 and sand regeneration device, it is characterized in that: described grading room sidewall opens the door and communicates with the water cooling chamber, is connected to the water-cooled coil pipe in the described water cooling chamber, water cooling chamber's one side is provided with described sand export.
The pneumatic desanding of foundry goods according to claim 2 and sand regeneration device, it is characterized in that: be provided with heat exchanger at described cleaning shaft, be equipped with the UTILIZATION OF VESIDUAL HEAT IN pipe in the described heat exchanger, described UTILIZATION OF VESIDUAL HEAT IN Guan Yiduan is communicated with No. four high pressure positive blowers, and the other end is connected to UTILIZATION OF VESIDUAL HEAT IN equipment.
5. the device of the pneumatic desanding of foundry goods according to claim 1 and sand regeneration, it is characterized in that: the air hose between a described high pressure positive blower and the combustion chamber is from snakelike the passing in top of described fluidised form bed chamber, to form heat exchange structure; Described No. two high pressure positive blowers and floating rise gas blow pipe between the balancing gate pit from snakelike the passing in top of described fluidised form bed chamber, to form another heat exchange structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181328 CN203156024U (en) | 2013-04-12 | 2013-04-12 | Device for pneumatic degritting and grit regenerating of castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181328 CN203156024U (en) | 2013-04-12 | 2013-04-12 | Device for pneumatic degritting and grit regenerating of castings |
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| CN203156024U true CN203156024U (en) | 2013-08-28 |
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| CN 201320181328 Expired - Lifetime CN203156024U (en) | 2013-04-12 | 2013-04-12 | Device for pneumatic degritting and grit regenerating of castings |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096823A (en) * | 2013-04-12 | 2014-10-15 | 于彦奇 | Device and method for pneumatically removing sands from casting and recovering sands |
| CN105382211A (en) * | 2015-11-29 | 2016-03-09 | 无锡市鑫茂锻造有限公司 | Blowing removal type casting mold shakeout head |
| CN106623799A (en) * | 2016-11-03 | 2017-05-10 | 武汉瑞明汽车部件有限公司 | Automatic cleaning complex sand cavity dropping device and operating method thereof |
| CN107052233A (en) * | 2016-12-30 | 2017-08-18 | 绵阳易简环保科技有限公司 | Environmental-protecting type casting old sand Dry recovery processing equipment |
| CN107869917A (en) * | 2017-12-12 | 2018-04-03 | 湖南湘中光华微波科技有限公司 | Kiln cooling body |
| CN111451487A (en) * | 2020-03-31 | 2020-07-28 | 安徽省安工机械制造有限公司 | Wear-resisting foundry goods quick demoulding device |
-
2013
- 2013-04-12 CN CN 201320181328 patent/CN203156024U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096823A (en) * | 2013-04-12 | 2014-10-15 | 于彦奇 | Device and method for pneumatically removing sands from casting and recovering sands |
| CN104096823B (en) * | 2013-04-12 | 2015-11-18 | 于彦奇 | The apparatus and method of the pneumatic desanding of foundry goods and sand regeneration |
| CN105382211A (en) * | 2015-11-29 | 2016-03-09 | 无锡市鑫茂锻造有限公司 | Blowing removal type casting mold shakeout head |
| CN106623799A (en) * | 2016-11-03 | 2017-05-10 | 武汉瑞明汽车部件有限公司 | Automatic cleaning complex sand cavity dropping device and operating method thereof |
| CN106623799B (en) * | 2016-11-03 | 2018-04-17 | 武汉锦瑞技术有限公司 | One kind automation clean complex sand mold chamber drop device and its operating method |
| CN107052233A (en) * | 2016-12-30 | 2017-08-18 | 绵阳易简环保科技有限公司 | Environmental-protecting type casting old sand Dry recovery processing equipment |
| CN107869917A (en) * | 2017-12-12 | 2018-04-03 | 湖南湘中光华微波科技有限公司 | Kiln cooling body |
| CN111451487A (en) * | 2020-03-31 | 2020-07-28 | 安徽省安工机械制造有限公司 | Wear-resisting foundry goods quick demoulding device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20151118 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |