CN207127207U - A kind of recycling cast waste sand device - Google Patents
A kind of recycling cast waste sand device Download PDFInfo
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- CN207127207U CN207127207U CN201721073272.XU CN201721073272U CN207127207U CN 207127207 U CN207127207 U CN 207127207U CN 201721073272 U CN201721073272 U CN 201721073272U CN 207127207 U CN207127207 U CN 207127207U
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- charging aperture
- discharging opening
- heater
- cast waste
- waste sand
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Abstract
Casting field, more particularly to a kind of recycling cast waste sand device, including vibrating screen device and cleaning device are the utility model is related to, the top of vibrating screen device one end is provided with first charging aperture, and the end set of the other end has the first discharging opening；Vibrating screen device is internally provided with vibratory sieve；The top of cleaning device one end is provided with second charging aperture, and bottom is provided with delivery port, and the top of the other end is provided with water inlet, and bottom is provided with the second discharging opening；The inside of cleaning device is provided with conveying worm by bottom；First discharging opening connects with second charging aperture；In addition, also including heater, the top of heater is provided with the 3rd charging aperture, and bottom is provided with the 3rd discharging opening, and the 3rd discharging opening connects with first charging aperture；The inner inclination of heater is provided with some deflection plates, and deflection plate is internally provided with resistive heater.Recycling cast waste sand device of the present utility model, antiquated sand surface treating adhesive coating film removal effect is good, and equipment operating efficiency is high.
Description
Technical field
It the utility model is related to casting field, more particularly to a kind of recycling cast waste sand device.
Background technology
Steel, iron and most of non-ferrous alloy castings can all be obtained with sand mould casting method.Due to making used in sand casting
Section bar material is cheap and easy to get, and Casting mold manufacturing is easy, so single-piece production to casting, producing by batch and largely producing and adapt to.
China is Metal casting producer, and casting output is at the forefront in the world, and wherein sand casting accounts for the overwhelming majority in foundry industry, about
It is 80%~90%.According to statistics, China, which often produces 1t castings, can produce about 1.2t antiquated sands.The recovery of general antiquated sand in casting
Up to 80%~90%, circulate antiquated sand 10%~20% will be discarded constantly rate.At present, in addition to a small amount of antiquated sand regeneration,
Most of to limited resource, this is greatly to waste, and can cause serious environmental pollution based on abandoning, and therefore, is given up
The processing and utilization of sand turn into the problem of China is in the urgent need to address.
Casting mold is after cast, if irreversible change does not occur for the binding agent in most of molding sand, as long as removing
Fall impurity, through suction ash cooling and be blended again can the original performance of recovery-type sand, this processing mode is referred to as reclamation of return sand,
The molding sand that clay bonds general only could reuse.Chemically harden sand mold and core (as with oil-sand, water-glass sand and
Sand mold and core made of various resin sands), the sclerous reaction of its binding agent is irreversible, and old sand in this case can not
Simply reuse makes it substantially recover the performance of roughing sand, it is necessary to the failed binding agent coating film removing of sand grain surface, this
Kind processing mode is referred to as regenerating used.The reclaiming machine for waste sand used at present is often only by simply vibrating friction removing cladding
Film, collision frequency is low, and removal effect is bad, and antiquated sand organic efficiency is low, far can not meet the requirement in production.
Utility model content
The purpose of this utility model is to provide the recycling cast waste sand dress that a kind of antiquated sand binding agent coating film is more easy to removing
Put.
To achieve these goals, the utility model provides a kind of recycling cast waste sand device, including vibrating screen device
And cleaning device, wherein：The top of vibrating screen device one end is provided with first charging aperture, and the end set of the other end has first
Discharging opening；Vibrating screen device is internally provided with vibratory sieve；The top of cleaning device one end is provided with second charging aperture, and bottom is set
Delivery port is equipped with, the top of the other end is provided with water inlet, and bottom is provided with the second discharging opening；Bottom is leaned in the inside of cleaning device
It is provided with conveying worm；First discharging opening connects with second charging aperture；In addition, also include heater, heater it is upper
Portion is provided with the 3rd charging aperture, and bottom is provided with the 3rd discharging opening, and the 3rd discharging opening connects with first charging aperture；Heater
Inner inclination is provided with some deflection plates, and deflection plate is internally provided with resistive heater.
Further, from top to bottom left and right is arranged alternately deflection plate in heater, and each deflection plate is downward
Tilt 10 °~30 °.
Further, recycling cast waste sand device of the present utility model also includes being arranged on heater and vibrating screen device
Between agitating device, wherein：The top of agitating device is provided with the 4th charging aperture, and the bottom of agitating device one end is provided with
Four discharging openings；3rd discharging opening connects with the 4th charging aperture, and the 4th discharging opening connects with first charging aperture；Inside agitating device by
Top to bottm is arranged with gyratory agitation device and helix transporting device in parallel；Set between gyratory agitation device and helix transporting device
Abacus.
Further, agitating device also includes housing, and the vertical cross section of housing is in inverse gourd shaped.
Further, gyratory agitation device includes rotary shaft, some stirring rod and stirring motor, wherein：Stirring motor
It is connected with the end of rotary shaft one end, driving rotary shaft rotation；Removably vertical connection is on the rotary shaft for stirring rod.
Further, stirring rod outer surface is covered with frosted layer.
Further, the outer surface of stirring rod has concaveconvex structure.
Further, some manholes are evenly arranged with orifice plate, the aperture of manhole is 1.8cm~2.2cm.
Further, push-pull valve is provided between the 3rd discharging opening and the 4th charging aperture, push-pull valve passes through Electrohydraulic push rod control
System.
Further, the material of deflection plate is aluminium alloy.
A kind of recycling cast waste sand device of the present utility model, has the advantages that：
1st, recycling cast waste sand device of the present utility model is provided with heater, and the antiquated sand of pretreatment is carried out at heating
Reason, high temperature antiquated sand binding agent coating film in follow-up vibration processes are easier to remove；Heater of the present utility model is set
There are multiple deflection plates, multiple baffling heating is carried out to antiquated sand, baffling heating heating effect is more preferable, and heating is also more uniform；This
Resistive heater is provided with the deflection plate of utility model, the dry heating of antiquated sand is realized by resistive heater, temperature is more easy to
It is also more preferable in control, heating effect.
2nd, from top to bottom left and right is alternately arranged deflection plate of the present utility model in heater, and each deflection plate is equal
10 °~30 ° are tilted down, the angle of inclination of reasonable Arrangement deflection plate, angle too small antiquated sand can be avoided to be accumulated on deflection plate,
It it also avoid that the angle excessive antiquated sand heat time is short, and heating effect is undesirable simultaneously.
3rd, recycling cast waste sand device of the present utility model sets agitating device between heater and vibrating screen device,
By the binding agent coating film on the first removing antiquated sand surface of the effect of agitating device, antiquated sand collision frequency in agitating device is high,
Coating film removal effect is good；The orifice plate set between gyratory agitation device and helix transporting device is conveying to the antiquated sand after stirring
Sieved for the first time before going out agitating device, vibratory sieve dress will be conveyed into by helix transporting device by filtering the little particle antiquated sand of orifice plate
Put, not filtering the antiquated sand of orifice plate will continue to intercept in continuing to stir in gyratory agitation device, and the setting of orifice plate adds antiquated sand
Mixing time in agitating device, so as to further improve the removal effect of antiquated sand binding agent coating film.
4th, the vertical cross section of the housing of agitating device of the present utility model is in inverse gourd shaped, this with gyratory agitation device with
And the profile of helix transporting device matches, cannot be handled in corner accumulation so as to avoid part antiquated sand.
5th, removably on the rotary shaft, stirring rod is failed vertical connection stirring rod of the present utility model using a period of time
After be conveniently replaceable.
6th, stirring rod surface of the present utility model is covered with frosted layer, and the outer surface of stirring rod has concaveconvex structure,
So as to be a significant increase the friction between stirring rod and antiquated sand, so as to further increase the removing of antiquated sand binding agent coating film
Effect.
7th, push-pull valve is additionally provided between heater and agitating device of the present utility model, can controlled useless after heating
Sand enters the amount of agitating device, avoids the motor overload entered in agitating device caused by excessive high temperature antiquated sand, and antiquated sand mistake
More by the obvious removal effect for reducing antiquated sand surface treating adhesive coating film.
8th, recycling cast waste sand apparatus structure of the present utility model is simple, antiquated sand surface treating adhesive coating film removal effect
Good, equipment operating efficiency is high, disclosure satisfy that the needs of live actual production.
Brief description of the drawings
, below will be to embodiment for clearer explanation the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it is clear that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of recycling cast waste sand device of the present utility model；
Fig. 2 is the cross section structure schematic diagram of the deflection plate in recycling cast waste sand device of the present utility model；
Fig. 3 is the structural representation of the stirring rod in recycling cast waste sand device of the present utility model；
Fig. 4 is the structure of the vertical cross section of the housing of the agitating device in recycling cast waste sand device of the present utility model
Schematic diagram；
Fig. 5 is the structural representation of the orifice plate in recycling cast waste sand device of the present utility model；
In figure：1- vibrating screen devices, 11- first charging apertures, the discharging openings of 12- first, 13- vibratory sieves, 2- cleaning devices,
21- second charging apertures, the discharging openings of 22- second, 23- delivery ports, 24- water inlets, 25- conveying worms, 3- heaters, 31-
3rd charging aperture, the discharging openings of 32- the 3rd, 33- deflection plates, 34- resistive heaters, the charging apertures of 41- the 4th, the discharging openings of 42- the 4th,
431- rotary shafts, 432- stirring rod, 433- stirring motors, 44- helix transporting devices, 45- orifice plates, 46- housings, 5- push-pull valves,
6- conveyer belts
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the embodiment of the utility model is carried out it is clear,
Complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those skilled in the art is not on the premise of creative work is made
The all other embodiment obtained, belongs to the scope of protection of the utility model.
As shown in figure 1, a kind of recycling cast waste sand device of the utility model embodiment, including vibrating screen device 1, cleaning
Device 2 and heater 3, wherein：The top of the one end of vibrating screen device 1 is provided with the first charging aperture 11 of antiquated sand inflow, separately
The end set of one end has the first discharging opening 12 that antiquated sand flows out；Vibrating screen device 1 is internally provided with vibratory sieve 13, vibratory sieve
13 concrete structure those skilled in the art can be according to designed, designed or the existing vibratory sieve of direct market buying be actually needed, originally
Utility model is not specifically limited；The bottom of vibrating screen device 1 can also set impurities outlet, and vibratory sieve 13 is filtered for clearing up
Impurity.The top of the one end of cleaning device 2 is provided with the second charging aperture 21 of antiquated sand inflow, and bottom is provided with the outflow of washed-out sand waste water
Delivery port 23, the top of the other end is provided with the water inlet 24 of clear water inflow, and bottom is provided with the antiquated sand outflow after cleaning
Second discharging opening 22；The inside of cleaning device 2 is provided with conveying worm 25 by bottom, for providing antiquated sand by second charging aperture
21 power flowed to the second discharging opening 22, and realize that antiquated sand mixes with clear water, it is easier to remove the impurity in antiquated sand；
Other antiquated sand and clear water adverse current, further improve antiquated sand cleaning impurity-eliminating effect；Antiquated sand in cleaning device 2 of the present utility model
It is not specifically limited with volume ratio the utility model of clear water, those skilled in the art can determine according to the situation of reality.Heating
The top of device 3 is provided with the 3rd charging aperture 31 of antiquated sand entrance, the 3rd charging aperture 31 can be designed as it is open tubaeform, through defeated
Send band 6 to transport to the antiquated sand of the 3rd charging aperture 31 to be easier to fall into heater 3；Bottom is provided with the 3rd discharging of antiquated sand outflow
Mouth 32, the 3rd discharging opening 32 is likewise designed as tubaeform so that antiquated sand is not easy to accumulate in the corner portion of heater 3；Add
The inner inclination of thermal 3 is provided with some deflection plates 33, carries out baffling heating to antiquated sand by deflection plate 33, improves heating effect
Fruit, and heat also more uniform；As shown in Fig. 2 the inside longitudinal arrangement of deflection plate 33 there are some resistive heaters 34, use
Dry heating, temperature are more easily controlled, and heating effect is also more preferable；In addition, the shell of heater 3 can also set heat-insulation layer,
The efficiency of heating surface of heater 3 is improved, and reduces energy waste.3rd discharging opening 32 connects with first charging aperture 11, and first
Discharging opening 12 connects with second charging aperture 21.
Specifically, heater 3, vibrating screen device 1, cleaning device 2 are sequentially connected, antiquated sand is first by the 3rd charging aperture 31
Into heater 3, multiple baffling heating is carried out in heater 3；Antiquated sand after heating is successively through the 3rd discharging opening 32,
One charging aperture 11 enters vibrating screen device 1, and vibration friction removing antiquated sand surface treating adhesive is on the one hand carried out in vibrating screen device 1
Coating film, on the other hand carry out screening removal of impurities；Antiquated sand after the processing of vibrating screen device 1 is successively through the first discharging opening 12, second
Charging aperture 21 enters cleaning device 2, and antiquated sand stirs with water in cleaning device 2, further easier removes miscellaneous in antiquated sand
Matter.
Recycling cast waste sand device of the present utility model, the temperature of deflection plate 33 are between 480 DEG C~600 DEG C, preferably
Be heated to 500 degree, the final temperature after the heated device 3 of antiquated sand heats is between 400 DEG C~500 DEG C, the condition of high temperature
Antiquated sand, the binding agent coating film on its surface is easier to remove, so as to significantly improve the production of the rate of recovery of antiquated sand and equipment
Efficiency, meet the needs of actual production.
Further, from top to bottom left and right is arranged alternately deflection plate 33 in heater 3, and each deflection plate 33 is equal
Tilt down 10 °~30 °.The angle of inclination of reasonable Arrangement deflection plate 33, angle too small antiquated sand can be avoided on deflection plate 33
Accumulation, while it also avoid that the angle excessive antiquated sand heat time is short, and heating effect is undesirable.
Further, recycling cast waste sand device of the present utility model also includes being arranged on heater 3 and vibratory sieve dress
The agitating device between 1 is put, wherein：The top of agitating device is provided with the 4th charging aperture 41 of antiquated sand inflow, agitating device one
The bottom at end is provided with the 4th discharging opening 42 of antiquated sand outflow；3rd discharging opening 32 connects with the 4th charging aperture 41, the 4th discharging
Mouthfuls 42 connect with first charging aperture 11, it is achieved thereby that heater 3, agitating device, vibrating screen device 1, cleaning device 2 according to
Secondary connection；It is arranged with the rotation for removing binding agent coating film for the first time for antiquated sand agitating friction inside agitating device in parallel from top to bottom
Turn agitating device and the helix transporting device of the 4th discharging opening 42 is delivered to for the antiquated sand after gyratory agitation device is handled
44；Abacus 45 is set between gyratory agitation device and helix transporting device 44, and orifice plate 45 is used for the antiquated sand after stirring defeated
Sieved for the first time before sending out agitating device, the little particle antiquated sand of filtration orifice plate 45 will be conveyed into by helix transporting device 44 to shake
Dynamic screen device 1, not filtering the antiquated sand of orifice plate 45 will continue to intercept in continuing to stir in gyratory agitation device, and the setting of orifice plate 45
Mixing time of the antiquated sand in agitating device is added, so as to further improve the removing of antiquated sand binding agent coating film effect
Fruit.
Further, as shown in figure 4, agitating device also includes housing 46, the vertical cross section of housing 46 in inverse gourd shaped,
The profile of this and gyratory agitation device and helix transporting device 44 matches, so as to avoid part antiquated sand in corner
Accumulation cannot be handled.
Specifically, gyratory agitation device includes rotary shaft 431, some stirring rod 432 and stirring motor 433, rotary shaft
431 both ends are arranged on housing 46 by bearing, and its one end passes housing 46 and connects stirring motor 433；Stirring motor 433 is excellent
Elect servomotor as, driving rotary shaft 431 rotates；Some stirring rod 432 are removably vertically connected in rotary shaft 431, just
The replacing of the stirring rod 432 to be failed after long-time use, it is preferred that as shown in figure 3, the lower end of stirring rod 432 be provided with
The threaded rod that rotary shaft 431 is spirally connected, it is connected through a screw thread to realize being detachably connected for stirring rod 432 and rotary shaft 431, specifically
Connected mode the utility model be not specifically limited, belong to the scope of protection of the utility model.Helix transporting device 44 is set
Helical form conveying blade is equipped with, realizes continuous conveying of the antiquated sand to the 4th discharging opening 42, helix transporting device 44 and Stirring
The arrangement of device is similar, will not be repeated here.As shown in figure 5, some manholes, manhole are evenly arranged with orifice plate 45
Aperture be 1.8cm~2.2cm, it is preferred that the aperture of manhole is 2cm.
Further, the outer surface of stirring rod 432 increases the friction between stirring rod 432 and antiquated sand covered with frosted layer
Power, improve the removal effect of antiquated sand binding agent coating film.The thickness and material the utility model of frosted layer do not do specific limit
It is fixed, belong to scope of protection of the utility model.
Further, as shown in figure 3, the outer surface of stirring rod 432 has concaveconvex structure, stirring rod is further enhanced
Collision, the effect of friction between 432 and antiquated sand, then further increase the removal effect of antiquated sand binding agent coating film.This
The concaveconvex structure of utility model can be waveform, zigzag or other irregular shapes, and the utility model does not do specific limit
It is fixed, belong to scope of protection of the utility model.
Further, the material of deflection plate 33 can be selected according to being actually needed, preferably the aluminium of good heat conductivity
Alloy.
In some embodiments of recycling cast waste sand device of the present utility model, the 3rd discharging opening 32 and the 4th charging aperture
Push-pull valve 5 is provided between 41, push-pull valve 5 is controlled by Electrohydraulic push rod.After heating being controlled by controlling the aperture of push-pull valve 5
Antiquated sand enter the amount of agitating device, the motor overload entered caused by excessive high temperature antiquated sand in agitating device can be avoided,
And antiquated sand is excessively by the obvious removal effect for reducing antiquated sand surface treating adhesive coating film.
Recycling cast waste sand device of the present utility model is understood in order to clearer, at this to the processing step of antiquated sand regeneration
Briefly introduced, mainly included：
(1) antiquated sand is heated, and antiquated sand is conveyed into heater 3 and carries out multiple baffling heating, uniformly improves antiquated sand temperature；
(2) antiquated sand stir, it is heated after antiquated sand flow into agitating device, by between antiquated sand and stirring rod and antiquated sand with
Mechanical friction between antiquated sand removes the binding agent coating film on high temperature antiquated sand surface for the first time；
(3) antiquated sand vibrosieve, it is agitated after antiquated sand be conveyed into vibrating screen device 1, antiquated sand enters in vibrating screen device 1
One step removes binding agent coating film by vibrating to rub, while the impurity in antiquated sand is filtered out by vibratory sieve 13.
(4) antiquated sand cleans, and the antiquated sand after vibrosieve is conveyed into cleaning device 2 and cleaned, so as to be repeated
The reclaimed sand used.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to spirit and scope of the present utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment, belong to the scope that the utility model is protected.
Claims (10)
1. a kind of recycling cast waste sand device, including vibrating screen device and cleaning device, wherein：
The top of described vibrating screen device one end is provided with first charging aperture, and the end set of the other end has the first discharging opening；Institute
That states vibrating screen device is internally provided with vibratory sieve；
The top of described cleaning device one end is provided with second charging aperture, and bottom is provided with delivery port, and the top of the other end is set
There is water inlet, bottom is provided with the second discharging opening；The inside of the cleaning device is provided with conveying worm by bottom；
First discharging opening connects with the second charging aperture；
Characterized in that, also including heater, the top of the heater is provided with the 3rd charging aperture, and bottom is provided with
Three discharging openings, the 3rd discharging opening connect with the first charging aperture；The inner inclination of the heater is provided with some
Deflection plate, the deflection plate are internally provided with resistive heater.
2. recycling cast waste sand device according to claim 1, it is characterised in that the deflection plate is in the heater
Inside from top to bottom left and right is arranged alternately, and each deflection plate tilts down 10 °~30 °.
3. recycling cast waste sand device according to claim 1, it is characterised in that also include being arranged on the heater
With the agitating device between the vibrating screen device, wherein：
The top of the agitating device is provided with the 4th charging aperture, and the bottom of described agitating device one end is provided with the 4th discharging
Mouthful；
3rd discharging opening connects with the 4th charging aperture, and the 4th discharging opening connects with the first charging aperture；
Gyratory agitation device and helix transporting device are arranged with parallel from top to bottom inside the agitating device；
Abacus is set between the gyratory agitation device and the helix transporting device.
4. recycling cast waste sand device according to claim 3, it is characterised in that the agitating device also includes housing,
The vertical cross section of the housing is in inverse gourd shaped.
5. recycling cast waste sand device according to claim 3, it is characterised in that the gyratory agitation device includes rotation
Axle, some stirring rod and stirring motor, wherein：
The stirring motor is connected with the end of described rotary shaft one end, drives the rotary shaft to rotate；
The stirring rod is removably vertically connected in the rotary shaft.
6. recycling cast waste sand device according to claim 5, it is characterised in that the stirring rod outer surface is covered with mill
Layer of sand.
7. recycling cast waste sand device according to claim 5, it is characterised in that the outer surface of the stirring rod has recessed
Male structure.
8. recycling cast waste sand device according to claim 3, it is characterised in that be evenly arranged with the orifice plate some
Manhole, the aperture of the manhole is 1.8cm~2.2cm.
9. recycling cast waste sand device according to claim 3, it is characterised in that the 3rd discharging opening and the described 4th
Push-pull valve is provided between charging aperture, the push-pull valve is controlled by Electrohydraulic push rod.
10. recycling cast waste sand device according to claim 1, it is characterised in that the material of the deflection plate is closed for aluminium
Gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073272.XU CN207127207U (en) | 2017-08-25 | 2017-08-25 | A kind of recycling cast waste sand device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073272.XU CN207127207U (en) | 2017-08-25 | 2017-08-25 | A kind of recycling cast waste sand device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207127207U true CN207127207U (en) | 2018-03-23 |
Family
ID=61636322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721073272.XU Active CN207127207U (en) | 2017-08-25 | 2017-08-25 | A kind of recycling cast waste sand device |
Country Status (1)
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| CN (1) | CN207127207U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176808A (en) * | 2018-03-26 | 2018-06-19 | 江苏翔晟重工有限公司 | A kind of regenerating used system |
| CN108687302A (en) * | 2018-07-04 | 2018-10-23 | 柳晶（溧阳）环保科技有限公司 | A kind of novel antiquated sand regenerating unit |
| CN108705030A (en) * | 2018-07-04 | 2018-10-26 | 柳晶（溧阳）环保科技有限公司 | A kind of cast waste sand processing equipment |
| CN108746486A (en) * | 2018-07-04 | 2018-11-06 | 柳晶（溧阳）环保科技有限公司 | A kind of inorganic binder antiquated sand crushing filtering regenerating unit |
| CN111957881A (en) * | 2020-07-01 | 2020-11-20 | 安徽宜安精密机械零部件有限公司 | Novel sand mould recycle retreatment device |
| CN114713532A (en) * | 2022-04-26 | 2022-07-08 | 山东春冶机械制造有限公司 | Old sand recovery unit |
-
2017
- 2017-08-25 CN CN201721073272.XU patent/CN207127207U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176808A (en) * | 2018-03-26 | 2018-06-19 | 江苏翔晟重工有限公司 | A kind of regenerating used system |
| CN108687302A (en) * | 2018-07-04 | 2018-10-23 | 柳晶（溧阳）环保科技有限公司 | A kind of novel antiquated sand regenerating unit |
| CN108705030A (en) * | 2018-07-04 | 2018-10-26 | 柳晶（溧阳）环保科技有限公司 | A kind of cast waste sand processing equipment |
| CN108746486A (en) * | 2018-07-04 | 2018-11-06 | 柳晶（溧阳）环保科技有限公司 | A kind of inorganic binder antiquated sand crushing filtering regenerating unit |
| 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 |
| CN108705030B (en) * | 2018-07-04 | 2024-03-29 | 柳晶（溧阳）环保科技有限公司 | Foundry waste sand treatment equipment |
| CN108746486B (en) * | 2018-07-04 | 2024-06-07 | 柳晶（溧阳）环保科技有限公司 | Inorganic binder waste sand crushing, filtering and regenerating device |
| CN111957881A (en) * | 2020-07-01 | 2020-11-20 | 安徽宜安精密机械零部件有限公司 | Novel sand mould recycle retreatment device |
| CN114713532A (en) * | 2022-04-26 | 2022-07-08 | 山东春冶机械制造有限公司 | Old sand recovery unit |
| CN114713532B (en) * | 2022-04-26 | 2023-02-24 | 山东春冶机械制造有限公司 | Old sand recovery unit |
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