CN113680961A - Stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method - Google Patents
Stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method Download PDFInfo
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- CN113680961A CN113680961A CN202111083844.3A CN202111083844A CN113680961A CN 113680961 A CN113680961 A CN 113680961A CN 202111083844 A CN202111083844 A CN 202111083844A CN 113680961 A CN113680961 A CN 113680961A
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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
- B22C5/18—Plants for preparing mould materials
- B22C5/185—Plants for preparing mould materials comprising a wet reclamation step
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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
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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
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/044—Devices having a vertical stirrer shaft in a fixed receptacle
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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
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0472—Parts; Accessories; Controlling; Feeding; Discharging; Proportioning
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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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Abstract
The application discloses a stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method, and relates to the technical field of casting sand regeneration equipment. Not only can improve the economy of the regeneration of the sodium silicate sand, promote the popularization of the regeneration technology and protect the resource environment, but also has the advantages of simple structure and high working efficiency. The regeneration system comprises a sand washer and a filtering circulating water unit; the sand washer comprises an outer barrel, an inner barrel and a stirring component; the inner barrel and the stirring component are respectively driven by a first driving mechanism and a second driving mechanism; the outer barrel is connected to the fixed frame; the side wall of the inner barrel is provided with a filtering structure; the inner barrel is rotationally connected with the outer barrel, a cavity is formed between the outer barrel and the inner barrel, and the cavity is communicated with an inlet of the circulating water filtering unit; the fixed frame is provided with a top rack capable of moving up and down, and the stirring assembly is connected to the top rack and used for stirring the waste sodium silicate sand to be regenerated and connected with the water outlet of the circulating water filtering unit and the inlet of the inner barrel. The application also provides a water glass sand regeneration method.
Description
Technical Field
The application relates to the technical field of foundry sand regeneration equipment, in particular to a stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method.
Background
Under the current casting process, a large amount of water glass sand is discharged every year, the regeneration is difficult, and the method with better regeneration effect is wet regeneration, namely, mechanical stirring friction regeneration is carried out by using clean water under the coordination of a certain amount of medicament. However, after the wet regeneration is completed, a large amount of mud powder generated by regeneration can remain in the regenerated sand, and the regenerated sand needs to be washed by additional clear water, so that the water consumption for regeneration is increased, and the regeneration rate of the water glass sand can be reduced due to the presence of the mud powder in the regeneration process. After the regeneration of the waste sand is finished, the waste sand generally needs to be aired by spreading, and the airing time is long, so that the waste sand occupies a field. The current wet regeneration of water glass sand generally comprises three steps, namely stirring regeneration, rinsing with clear water, dewatering and airing, but the current regeneration equipment can not well complete the steps at the same time, and needs multiple equipment for cooperative operation, so that the investment of a production party is huge, the economic benefit is low, and a large amount of waste sand is directly buried, and the resource waste and the serious environmental threat are caused.
Disclosure of Invention
The embodiment of the application provides a stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method, which can improve the economic efficiency of sodium silicate sand regeneration, promote the popularization of regeneration technology, protect resource environment and have the advantages of simple structure and high working efficiency.
In order to achieve the above object, in one aspect, an embodiment of the present application provides a stirring, flushing and dewatering integrated sodium silicate sand regeneration system, which includes a sand washer and a filtering circulating water unit; the filtering circulating water unit comprises an inlet, a sewage draining outlet and a water draining outlet; the sand washer comprises an outer barrel, an inner barrel and a stirring assembly which are sequentially arranged from outside to inside; the inner barrel is driven by a first driving mechanism, and the stirring assembly is driven by a second driving mechanism; the outer barrel is connected to the fixing frame; the side wall of the inner barrel is provided with a filtering structure which allows sludge and sewage to pass and can prevent regenerated sodium silicate sand from passing; the inner barrel is rotatably connected with the outer barrel, a cavity for containing sludge and sewage is formed between the outer barrel and the inner barrel, and the cavity is communicated with an inlet of the circulating water filtering unit; the upper rack capable of moving up and down along the fixing frame is arranged on the fixing frame, and the stirring assembly is connected to the upper rack; the stirring component is used for stirring the waste sodium silicate sand to be regenerated and communicating a water outlet of the filtering circulating water unit with an upper inlet of the inner barrel, and a cover plate is arranged at a lower outlet of the inner barrel.
Further, the filtering structure comprises a plurality of slots, through holes and a filtering net; the slots are arranged on the inner side wall of the inner barrel and penetrate through the inner side wall of the inner barrel along the axial direction, the slots are uniformly distributed along the circumferential direction of the inner barrel, a plurality of through holes are formed in the bottoms of the slots, and the filter screen is inserted into the slots.
Furthermore, a sand outlet pipe is arranged at the bottom of the inner barrel, and a cover plate is arranged in the sand outlet pipe; the bottom of the outer barrel is provided with a liquid accumulation structure which is an inner-outer double-layer structure, the liquid accumulation structure comprises an outer side wall, a bottom wall and an inner side wall, the top of the outer side wall is connected with the bottom of the outer barrel, the outer side wall, the bottom wall and the inner side wall form an annular cavity together, and the annular cavity is communicated with an inlet of the filtering circulating water unit; the lower end of the sand outlet pipe penetrates through the inner side wall, and the sand outlet pipe is sealed with the inner side wall through a sealing element and is rotatably connected through a bearing.
Furthermore, the bottom of the inner barrel and the bottom of the outer barrel are both conical surfaces with downward small ends.
Further, the stirring subassembly includes hollow puddler and sets up the fan-shaped blade in the puddler both sides for the axis symmetry of puddler, be equipped with the well kenozooecium that is used for the intercommunication puddler on the lateral wall of puddler and the outside opening, the puddler pass through the inlet tube with the outlet connection of filtration circulating water unit, just the puddler with inlet tube dynamic seal connects.
Further, the water inlet pipe is a hose.
Furthermore, the fixing frame comprises four upright posts, and a lower rack is arranged between every two adjacent upright posts; the first driving mechanism comprises a first motor, a first driving belt wheel, a first driven belt wheel and a first belt; the first motor is arranged on the lower rack, the output shaft of the first motor is provided with the first driving belt wheel, the sand outlet pipe is provided with the first driven belt wheel, and the first belt is tensioned between the first driving belt wheel and the first driven belt wheel.
Further, the second driving mechanism comprises a second motor, a second driving pulley, a second driven pulley and a second belt; the second motor is arranged on the upper portion rack, the second driving belt wheel is arranged on an output shaft of the second motor, the second driven belt wheel is arranged on the stirring rod, and the second belt is tensioned between the second driving belt wheel and the second driven belt wheel.
Furthermore, the sand washer further comprises a third driving mechanism, the third driving mechanism comprises a third motor and a ball screw lifter, and the third motor drives the upper rack to move up and down through the ball screw lifter.
On the other hand, the embodiment of the application also provides a sodium silicate sand regeneration method, which comprises the following steps: moving the upper rack downwards until the stirring assembly enters the inner barrel, then guiding the waste sodium silicate sand to be regenerated into the inner barrel, adding clean water according to a preset sand-water ratio, and then adding a regeneration reagent; the waste sodium silicate-bonded sand to be regenerated is sodium silicate-bonded sand which is crushed, magnetically separated and sieved; starting the filtering circulating water unit and the second driving mechanism to start a stirring regeneration process; after stirring regeneration is completed, closing the filtering circulating water unit and the second driving mechanism, moving the upper rack upwards until the stirring assembly is positioned above the inner barrel, and starting the first driving mechanism to start a dehydration process; after the dehydration process is finished, closing the first driving mechanism, and opening the cover plate to obtain wet reclaimed sand; and drying or baking the wet reclaimed sand to obtain the reclaimed sand.
Compared with the prior art, the application has the following beneficial effects:
1. this application will stir regeneration, wash and the dehydration function is integrated as an organic whole, can accomplish the process of washing of regeneration sand in the regeneration process, has practiced thrift the water consumption, has shortened the regeneration time, has improved regeneration efficiency to the shared space of regeneration machine has been reduced.
2. The method can greatly reduce the cost of water glass sand regeneration, is beneficial to popularization and application of a water glass sand regeneration technology, promotes reclamation of the water glass sand, reduces landfill and abandonment, and protects the environment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a stirring, flushing and dewatering integrated sodium silicate sand regeneration system according to an embodiment of the present application;
FIG. 2 is a front view of a stirring, flushing and dewatering integrated sodium silicate sand regeneration system according to an embodiment of the present application;
FIG. 3 is a top view of a stirring, flushing and dewatering integrated sodium silicate sand regeneration system according to an embodiment of the present application;
FIG. 4 is a schematic perspective view of an outer barrel of the stirring, rinsing and dewatering integrated sodium silicate-bonded sand regeneration system according to the embodiment of the present application;
FIG. 5 is a front view of an outer barrel of the stirring, flushing and dewatering integrated sodium silicate-bonded sand regeneration system according to the embodiment of the present application;
FIG. 6 is a schematic perspective view of an inner barrel in the stirring, washing and dewatering integrated sodium silicate-bonded sand regeneration system according to the embodiment of the present application;
FIG. 7 is a front view of an inner barrel in the stirring, washing and dewatering integrated sodium silicate-bonded sand regeneration system according to the embodiment of the present application;
FIG. 8 is a schematic structural diagram of a filtering structure in a stirring, flushing and dewatering integrated sodium silicate sand regenerating system according to an embodiment of the present application;
FIG. 9 is a schematic diagram illustrating the arrangement of filter screens in the stirring, flushing and dewatering integrated sodium silicate sand regeneration system according to the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 3, an embodiment of the present application provides a stirring, flushing and dewatering integrated sodium silicate sand regeneration system, which includes a sand washer 1 and a filtering circulating water unit 2.
Wherein, the filtering circulating water unit 2 comprises a mud removing system (not shown) and a high-pressure water pump (not shown), and the filtering circulating water unit 2 is provided with an inlet, a sewage draining outlet and a water draining outlet.
The sand washer 1 adopts a double-barrel structure and comprises an outer barrel 11, an inner barrel 12, a stirring assembly 13, a first driving mechanism 14, a second driving mechanism 15 and a third driving mechanism 16. An inner barrel 12 and a stirring component 13 are sequentially arranged in the outer barrel 11 from outside to inside. The inner barrel 12 is rotatably connected with the outer barrel 11, the first driving mechanism 14 drives the inner barrel 12 to rotate in the outer barrel 11, and the second driving mechanism 15 drives the stirring assembly 13 to rotate in the inner barrel 12. The side wall of the inner barrel 12 is provided with a filtering structure 13 which allows sludge and sewage to pass through and can prevent regenerated sodium silicate sand from passing through, the radial interval between the inner barrel 12 and the outer barrel 11 is 10cm, and a cavity 17 for containing sludge and sewage is formed between the outer barrel 11 and the inner barrel 12. The cavity 17 is communicated with the inlet of the circulating water filtering unit 2. The outer barrel 11 is connected to the fixing frame, the fixing frame is further provided with an upper rack 5 capable of moving up and down along the fixing frame, the stirring assembly 13 is connected to the upper rack 5, the stirring assembly 13 is used for stirring the waste sodium silicate sand to be regenerated and is connected with the water outlet of the circulating water filtering unit 2 and the upper inlet of the inner barrel 12, and the lower outlet of the inner barrel 12 is provided with a cover plate 122.
Referring to fig. 6 to 9, the filter structure 13 includes a plurality of slots 131, through-holes 132, and a filter mesh 133. The slots 131 are disposed on the inner sidewall of the inner barrel 12 and axially penetrate the inner sidewall of the inner barrel 12, a plurality of slots 131 are uniformly distributed along the circumferential direction of the inner barrel 12, a plurality of through holes 132 are disposed at the bottom of the slots 131, and a filter screen 133 is inserted into the slots 131. The sidewall of the slot 131 protrudes from the inner wall surface of the inner barrel 12, and for convenience of processing, the sidewall of the slot 131 is integrally formed with the inner barrel 12. Therefore, when the filter screen 133 needs to be replaced, the filter screen only needs to be pulled out of the slot 131, and the filter screen is very convenient to assemble and disassemble. In addition, the filter 133 has a pore size of about 90 meshes of 0.16mm in order to allow sludge and sewage to smoothly pass therethrough and prevent passage of water glass sand.
With reference to fig. 6 to 9, a sand outlet pipe 121 is disposed at the bottom of the inner barrel 12, and a cover plate 122 is disposed in the sand outlet pipe 121. Referring to fig. 4 and 5, the cover plate 122 is a double-layer cover plate, and the two cover plates are connected by a pull rod. The bottom of outer bucket 11 is equipped with the hydrops structure, and the hydrops structure is inside and outside bilayer structure, including lateral wall 111, diapire 112 and inside wall 113, and the top of lateral wall 111 is connected with the bottom of outer bucket 11, and lateral wall 111, diapire 112 and inside wall 113 form ring chamber 114 jointly, and ring chamber 114 passes through drain pipe 4 intercommunication with the entry of filtration circulating water unit 2. The lower end of the sand outlet pipe 121 passes through the inner side wall 113, and the sand outlet pipe 121 and the inner side wall 113 are sealed by a sealing element and are rotatably connected through a bearing.
The bottom of the inner barrel 12 and the bottom of the outer barrel 11 are both conical surfaces with downward small ends, so that the discharging of reclaimed sand and the collection of sewage are facilitated.
Referring to fig. 2, the stirring assembly 13 includes a hollow stirring rod 131 and fan-shaped blades 132 symmetrically disposed on both sides of the stirring rod 131 with respect to an axis of the stirring rod 131, an opening for communicating a hollow portion of the stirring rod 131 with the outside is disposed on a side wall of the stirring rod 131, the stirring rod 131 is connected to a water outlet of the filtered circulating water unit 2 through a water inlet pipe 3, the water inlet pipe 3 is a hose, and the stirring rod 131 is connected to the water inlet pipe 3 in a dynamic sealing manner.
With continued reference to fig. 1 to 3, the fixed frame includes four columns 7, a lower stage 6 is provided between two adjacent columns 7, and the first driving mechanism 14 includes a first motor 141, a first driving pulley 142, a first driven pulley 143, and a first belt 144. The first motor 141 is disposed on the lower rack 6, a first driving pulley 142 is disposed on an output shaft of the first motor 141, a first driven pulley 143 is disposed on the sand discharging pipe 121, and the first belt 144 is tensioned between the first driving pulley 142 and the first driven pulley 143. In order to prevent the inner barrel 12 from being driven to rotate by the sodium silicate sand to be treated in the process of regeneration stirring, the first driven belt wheel 143 is connected with the lower rack 6 through a bolt 8, and the bolt 8 is inserted when the inner barrel 12 does not need to rotate; when the inner barrel 12 is required to rotate, the bolt 8 is pulled out.
The second driving mechanism 15 includes a second motor 151, a second driving pulley 152, a second driven pulley 153, and a second belt 154. The second motor 151 is disposed on the upper stage 5, a second driving pulley 152 is disposed on an output shaft of the second motor 151, a second driven pulley 153 is disposed on the stirring rod 131, and a second belt 154 is tensioned between the second driving pulley 152 and the second driven pulley 153.
The sand washer 1 further comprises a third driving mechanism 16, the third driving mechanism 16 is also arranged on the upper rack 5 and comprises a third motor 161 and a ball screw lifter, and the third motor 161 drives the upper rack 5 to move up and down through the ball screw lifter 161. Specifically, referring to fig. 2, in some embodiments, one of the four columns 7 is threaded at its upper end, the ball screw elevator includes a worm-and-gear pair and a ball screw pair, and the third motor 161 drives the upper gantry 5 to move up and down through the worm-and-gear pair and the ball screw pair.
In other embodiments, the upper ends of the four upright posts 7 are provided with threads, and the ball screw elevator selects four linked synchronous lifting platforms of an SJB ball screw elevator with medium and large starting force, the principle of the synchronous lifting platform is similar to that of the ball screw elevator, and the specific structure is not described in detail herein. The water glass sand regeneration system can be matched with a molding sand crushing system, a magnetic separation system and a conveying system for use.
The embodiment of the application also provides a sodium silicate sand regeneration method, which comprises the following steps:
s1, starting the third driving mechanism 16, moving the upper rack 5 downwards until the stirring component 13 enters the inner barrel 12, then stopping the third driving mechanism 16, introducing the water glass sand after crushing, magnetic separation and sieving into the inner barrel 12, adding clean water according to the sand-water ratio of 2:1, and then adding the regeneration reagent.
And S2, ensuring that the bolt 8 is in an inserted state, starting the filtering circulating water unit 2 and the second driving mechanism 15, and driving the stirring component 13 to rotate by the second driving mechanism 15 to start a stirring regeneration process. During the stirring regeneration process, the sewage that regeneration produced in interior bucket 12 carries aquatic silt to flow through filter screen 133, gathers in outer bucket 11 bottom ring chamber 114, flows into filtration circulating water system 2 through drain pipe 4, and sewage is after the desilting of filtration circulating water system 2, by the high-pressure pump sending among the filtration circulating water system 2, flows into puddler 131 through inlet tube 3, by the trompil blowout of puddler 131 both sides, washes the reclaimed sand, forms the hydrologic cycle, improves regeneration speed when driving mud powder in the reclaimed sand.
S3, after stirring regeneration is completed, stopping the filtering circulating water unit 2 and the second driving mechanism 15, starting the third driving mechanism 16 to move the upper rack 5 upwards until the stirring component 13 is positioned above the inner barrel 12, then pulling out the bolt 8, starting the first driving mechanism 14, driving the inner barrel 12 to rotate by the first driving mechanism 14, starting a dehydration process, and at the moment, collecting sewage through the filtering circulating water system 2 for reuse.
And S4, after the dehydration process is finished, closing the first driving mechanism 14, and opening the cover plate 122 to obtain the reclaimed sand with the water content of about 5 percent.
And S5, airing or drying the wet reclaimed sand to be used as new sand.
The above is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A stirring, flushing and dewatering integrated sodium silicate sand regeneration system is characterized by comprising a sand washer and a filtering circulating water unit; the filtering circulating water unit comprises an inlet, a sewage draining outlet and a water draining outlet;
the sand washer comprises an outer barrel, an inner barrel and a stirring assembly which are sequentially arranged from outside to inside; the inner barrel is driven by a first driving mechanism, and the stirring assembly is driven by a second driving mechanism;
the outer barrel is connected to the fixing frame; the side wall of the inner barrel is provided with a filtering structure which allows sludge and sewage to pass and can prevent regenerated sodium silicate sand from passing; the inner barrel is rotatably connected with the outer barrel, a cavity for containing sludge and sewage is formed between the outer barrel and the inner barrel, and the cavity is communicated with an inlet of the circulating water filtering unit;
the upper rack capable of moving up and down along the fixing frame is arranged on the fixing frame, and the stirring assembly is connected to the upper rack; the stirring component is used for stirring the waste sodium silicate sand to be regenerated and communicating a water outlet of the filtering circulating water unit with an upper inlet of the inner barrel, and a cover plate is arranged at a lower outlet of the inner barrel.
2. The system for reclaiming water glass sand integrated with stirring, flushing and dehydrating as claimed in claim 1, wherein the filtering structure comprises a plurality of slots, through holes and a filtering net; the slots are arranged on the inner side wall of the inner barrel and penetrate through the inner side wall of the inner barrel along the axial direction, the slots are uniformly distributed along the circumferential direction of the inner barrel, a plurality of through holes are formed in the bottoms of the slots, and the filter screen is inserted into the slots.
3. The stirring, flushing and dewatering integrated sodium silicate sand regeneration system as claimed in claim 2, wherein a sand outlet pipe is arranged at the bottom of the inner barrel, and a cover plate is arranged in the sand outlet pipe; the bottom of the outer barrel is provided with a liquid accumulation structure which is an inner-outer double-layer structure, the liquid accumulation structure comprises an outer side wall, a bottom wall and an inner side wall, the top of the outer side wall is connected with the bottom of the outer barrel, the outer side wall, the bottom wall and the inner side wall form an annular cavity together, and the annular cavity is communicated with an inlet of the filtering circulating water unit; the lower end of the sand outlet pipe penetrates through the inner side wall, and the sand outlet pipe is sealed with the inner side wall through a sealing element and is rotatably connected through a bearing.
4. The system of claim 1, wherein the bottom of the inner barrel and the bottom of the outer barrel are both tapered surfaces with the small ends facing downward.
5. The stirring, flushing and dewatering integrated sodium silicate sand regenerating system as claimed in claim 3, wherein the stirring assembly comprises a hollow stirring rod and fan-shaped blades symmetrically arranged on two sides of the stirring rod relative to the axis of the stirring rod, the side wall of the stirring rod is provided with an opening for communicating the hollow part of the stirring rod with the outside, the stirring rod is connected with the water outlet of the filtering circulating water unit through a water inlet pipe, and the stirring rod is connected with the water inlet pipe in a dynamic sealing manner.
6. The system for reclaiming sodium silicate sand by stirring, flushing and dehydrating as claimed in claim 5, wherein the water inlet pipe is a hose.
7. The stirring, flushing and dewatering integrated sodium silicate sand regeneration system as claimed in claim 3, wherein the fixing frame comprises four upright posts, and a lower rack is arranged between two adjacent upright posts; the first driving mechanism comprises a first motor, a first driving belt wheel, a first driven belt wheel and a first belt; the first motor is arranged on the lower rack, the output shaft of the first motor is provided with the first driving belt wheel, the sand outlet pipe is provided with the first driven belt wheel, and the first belt is tensioned between the first driving belt wheel and the first driven belt wheel.
8. The system for reclaiming sodium silicate sand as an integrated body for stirring, flushing and dehydrating as claimed in claim 5, wherein the second driving mechanism comprises a second motor, a second driving pulley, a second driven pulley and a second belt; the second motor is arranged on the upper portion rack, the second driving belt wheel is arranged on an output shaft of the second motor, the second driven belt wheel is arranged on the stirring rod, and the second belt is tensioned between the second driving belt wheel and the second driven belt wheel.
9. The system for reclaiming sodium silicate sand by stirring, flushing and dehydrating as claimed in claim 1, wherein the sand washer further comprises a third driving mechanism, the third driving mechanism comprises a third motor and a ball screw lifter, and the third motor drives the upper rack to move up and down through the ball screw lifter.
10. A sodium silicate sand regeneration method is characterized in that the stirring, flushing and dewatering integrated sodium silicate sand regeneration system of any one of claims 1 to 9 is applied, and the sodium silicate sand regeneration method comprises the following steps:
moving the upper rack downwards until the stirring assembly enters the inner barrel, then guiding the waste sodium silicate sand to be regenerated into the inner barrel, adding clean water according to a preset sand-water ratio, and then adding a regeneration reagent; the waste sodium silicate-bonded sand to be regenerated is sodium silicate-bonded sand which is crushed, magnetically separated and sieved;
starting the filtering circulating water unit and the second driving mechanism to start a stirring regeneration process;
after stirring regeneration is completed, closing the filtering circulating water unit and the second driving mechanism, moving the upper rack upwards until the stirring assembly is positioned above the inner barrel, and starting the first driving mechanism to start a dehydration process;
after the dehydration process is finished, closing the first driving mechanism, and opening the cover plate to obtain wet reclaimed sand;
and drying or baking the wet reclaimed sand to obtain the reclaimed sand.
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| CN202111083844.3A CN113680961B (en) | 2021-09-14 | 2021-09-14 | Stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method |
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| CN202111083844.3A CN113680961B (en) | 2021-09-14 | 2021-09-14 | Stirring, flushing and dewatering integrated sodium silicate sand regeneration system and method |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401798B1 (en) * | 1998-12-11 | 2002-06-11 | Nippon Chuzo Kabushiki Kaisha | Rotating drum for reclaiming molding sand and molding sand reclaiming apparatus |
| CN102615243A (en) * | 2012-03-27 | 2012-08-01 | 华中科技大学 | Foundry used sand wet intermittent regeneration method and equipment thereof |
| CN104420123A (en) * | 2013-08-21 | 2015-03-18 | 海尔集团技术研发中心 | Washing machine with flocculation circulating water function |
| CN204657398U (en) * | 2012-06-20 | 2015-09-23 | 新东工业株式会社 | Casting model powder regenerating unit |
| CN108212878A (en) * | 2017-12-24 | 2018-06-29 | 佛山市倍尚利环保科技有限公司 | A kind of sand washer with water circulation use |
| CN108620529A (en) * | 2017-03-15 | 2018-10-09 | 李江平 | The method and its regenerative system of the wet method combined regeneration old sand of dry method heat |
| CN208513590U (en) * | 2018-08-03 | 2019-02-19 | 荆州泰盟实业股份有限公司 | A kind of compound reclaiming machine for waste sand |
| CN210817281U (en) * | 2019-09-29 | 2020-06-23 | 洛阳卓联新材料科技有限公司 | Air flotation sand washing machine for treating waste water glass sand |
| CN111515335A (en) * | 2019-02-04 | 2020-08-11 | 李江平 | Hot water circulation quick drainage used sand regenerator |
| CN212121575U (en) * | 2020-05-19 | 2020-12-11 | 中机中联工程有限公司 | Dehydration and purification device for regeneration of sodium silicate sand |
| CN213255057U (en) * | 2020-09-19 | 2021-05-25 | 常州市从江再生资源利用有限公司 | Water circulating device for spiral sand washer |
-
2021
- 2021-09-14 CN CN202111083844.3A patent/CN113680961B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401798B1 (en) * | 1998-12-11 | 2002-06-11 | Nippon Chuzo Kabushiki Kaisha | Rotating drum for reclaiming molding sand and molding sand reclaiming apparatus |
| CN102615243A (en) * | 2012-03-27 | 2012-08-01 | 华中科技大学 | Foundry used sand wet intermittent regeneration method and equipment thereof |
| CN204657398U (en) * | 2012-06-20 | 2015-09-23 | 新东工业株式会社 | Casting model powder regenerating unit |
| CN104420123A (en) * | 2013-08-21 | 2015-03-18 | 海尔集团技术研发中心 | Washing machine with flocculation circulating water function |
| CN108620529A (en) * | 2017-03-15 | 2018-10-09 | 李江平 | The method and its regenerative system of the wet method combined regeneration old sand of dry method heat |
| CN108212878A (en) * | 2017-12-24 | 2018-06-29 | 佛山市倍尚利环保科技有限公司 | A kind of sand washer with water circulation use |
| CN208513590U (en) * | 2018-08-03 | 2019-02-19 | 荆州泰盟实业股份有限公司 | A kind of compound reclaiming machine for waste sand |
| CN111515335A (en) * | 2019-02-04 | 2020-08-11 | 李江平 | Hot water circulation quick drainage used sand regenerator |
| CN210817281U (en) * | 2019-09-29 | 2020-06-23 | 洛阳卓联新材料科技有限公司 | Air flotation sand washing machine for treating waste water glass sand |
| CN212121575U (en) * | 2020-05-19 | 2020-12-11 | 中机中联工程有限公司 | Dehydration and purification device for regeneration of sodium silicate sand |
| CN213255057U (en) * | 2020-09-19 | 2021-05-25 | 常州市从江再生资源利用有限公司 | Water circulating device for spiral sand washer |
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