CN101462731B - Recovery and reuse method for used sodium silicate sand - Google Patents
Recovery and reuse method for used sodium silicate sand Download PDFInfo
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- CN101462731B CN101462731B CN2009100605728A CN200910060572A CN101462731B CN 101462731 B CN101462731 B CN 101462731B CN 2009100605728 A CN2009100605728 A CN 2009100605728A CN 200910060572 A CN200910060572 A CN 200910060572A CN 101462731 B CN101462731 B CN 101462731B
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- sodium silicate
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Abstract
The invention provides a method for recycling water glass old sand. The method comprises the following steps that: used water glass old sand is put into a funnel-shaped container; a funnel mouth on the bottom of the container is provided with a filter and a valve; after the water glass sand in the container is squeezed, water is added to the container to submerge the upper surface of the sand; after the sand is soaked for 2 to 4 hours, the valve on the bottom of the container is opened to drain the water slowly; and finally, the water glass sand in the container is discharged and dried and then can be recycled. As the method for recycling water glass old sand adopts a soaking-diacolation method, the method has the residue removal rate up to over 95 percent and is good in treatment effects. Reclaimed sand meets recycling requirements. As the reclamation treatment method for water glass old sand is low in water consumption, wastewater treatment is much easier, and the method can enable the water glass sand to be effectively recycled, thereby saving resources and reducing cost.
Description
Technical field
The present invention relates to a kind of recycling method of used sodium silicate sand.
Background technology
At present, the regeneration treating method of used sodium silicate sand is mainly contained two kinds of dry type and wet types, its essence is to remove the residue on used sodium silicate sand surface, residue mainly be Na
2The O composition.Dried regenerative is a method of utilizing air or machinery, and the old sand grain is accelerated to certain speed, by colliding between old sand grain and hardware or between sand grains and sand grains, rubbing, regenerating used is handled, and dry method has only 5%-15% to the clearance of old sand surface residue.Wet type regeneration is dissolving, scouring and the mechanical agitation of utilizing water, the residue of removing old sand grain surface can reach 70%-80%, but water consumption is big, the treatment system bulky complex, the cost height, and the remaining residue in old sand surface is still restricted to the reuse ratio of reclaimed sand, and the processing of waste water also has certain degree of difficulty.
Summary of the invention
The invention provides a kind of recycling method of used sodium silicate sand, can effectively remove the sodium oxide molybdena in the sand, make water-glass sand can effectively obtain recycling, the purpose that economizes on resources, reduces cost to reach.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: the recycling method of described used sodium silicate sand, its step is as follows: in the funnel-shaped container of at first used used sodium silicate sand being packed into, bell mouth place of this container bottom is provided with filter and valve; With after the water-glass sand jolt ramming in the container, in container, add water again, make water logging not have the upper surface of sand, soak after 2-4 hour, open the valve of container bottom water is slowly discharged; At last, the water-glass sand in the container is emitted, dried and can utilize again.
To improvement of the technical scheme: the water-glass sand in the described container is by oscillating column pump jolt ramming.
To further improvement in the technical proposal: described water-glass sand is to handle by a kind for the treatment of apparatus of special use, this device comprises support, sand tank, waste water tank, deposits sandbox, described sand tank is fixed on the upper end of support, its tank body bilateral symmetry is equipped with oscillating column pump, the top of sand tank has a jar mouth, be provided with water inlet pipe around the jar mouth, water inlet pipe is provided with a plurality of water injection holes, the water inlet of water inlet pipe is provided with water intaking valve, the sand tank bottom is conical and is provided with opening, opening part is equipped with filter, is connected to adjutage and discharging valve under the filter; Waste water tank is located at the support lower end, and the lower nozzle of adjutage is relative with the case mouth of waste water tank, and the waste water tank side is provided with drainpipe; Deposit the side that sandbox is located at support, the top of depositing sandbox is provided with pick sand machine slideway shelf, pick sand machine is installed on the chute of pick sand machine slideway shelf, the chute middle part is provided with pick sand machine fastening screw, the side of sand tank conical lower section is provided with over against the door that shakes out of depositing sandbox case mouth, shake out and locate to be connected with oil cylinder, oil cylinder is fixed on the pick sand machine slideway shelf by cylinder bracket.
Beneficial effect:
The recycling method of used sodium silicate sand of the present invention adopts and soaks the diacolation method, makes the residue on used sodium silicate sand surface, through infiltration from top to bottom, progressively fully dissolved, the clearance of residue is up to more than 95%, treatment effect is good, and reclaimed sand satisfies the reuse requirement; This regenerating water-glass old sand processing method utilizes oscillating column pump sand jolt ramming, and institute's water consumption is few, has only 1/10th of present common wet processed method to lack, and has saved water resource; Simultaneously,, can make water-glass sand effectively obtain recycling, economize on resources, reduce cost because the water yield of usefulness is few, thereby will be simple and easy to do manyly to the processing of waste water.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right view of the present invention.
The specific embodiment
The recycling method of used sodium silicate sand of the present invention, its step is as follows: in the funnel-shaped container of at first used used sodium silicate sand being packed into, bell mouth place of this container bottom is provided with filter and valve; With after the water-glass sand jolt ramming in the container, in container, add water again, make water logging not have the upper surface of sand, soak after 3 hours, open the valve of container bottom water is slowly discharged; At last, the water-glass sand in the container is emitted, dried and can utilize again.
Described water-glass sand is to handle by a kind for the treatment of apparatus of special use, as Fig. 1, the present invention shown in 2 casts the regenerating water-glass old sand treating apparatus, this device comprises support 19, sand tank 2, waste water tank 9, deposit sandbox 11, described sand tank 2 is fixed on the upper end of support 19, its tank body bilateral symmetry is equipped with oscillating column pump 4, the side of sand tank 2 is provided with water level meter 3, the top of sand tank 2 has a jar mouth, be provided with water inlet pipe 1 around the jar mouth, water inlet pipe 1 is provided with a plurality of water injection holes 18, water inlet pipe 1 is provided with a plurality of water injection holes 18, the water inlet of water inlet pipe 1 is provided with water intaking valve 5, sand tank 2 bottoms are conical and are provided with opening, and opening part is equipped with filter 6, and filter is connected to adjutage 7 and discharging valve 8 for 6 times; Waste water tank 9 is placed on support 19 lower ends, and the lower nozzle of adjutage 7 is relative with the case mouth of waste water tank 9, and waste water tank 9 sides are provided with drainpipe 10; Deposit the side that sandbox 11 is placed on support 19, the top of depositing sandbox 11 is provided with pick sand machine slideway shelf 12, pick sand machine 13 is installed on the chute of pick sand machine slideway shelf 12, the chute middle part is provided with the spacing latch 14 of pick sand machine, the side of sand tank 2 conical lower section is provided with over against the door 17 that shakes out of depositing 11 casees mouths of sandbox, and door 17 places that shake out are connected with oil cylinder 16, and oil cylinder 16 is fixed on the pick sand machine slideway shelf 12 by cylinder bracket 15, described pick sand machine 13 is made up of motor and screw rod, and screw rod is installed on the motor shaft.Described filter 6 is made up of two filters that are drilled with eyelet up and down, is placed with the stainless steel steel wire fibre between two filters, and filter is connected with discharging valve with sand tank by screw thread.
Claims (3)
1. the recycling method of a used sodium silicate sand, its step is as follows: in the funnel-shaped container of at first used used sodium silicate sand being packed into, bell mouth place of this container bottom is provided with filter and valve; With after the water-glass sand jolt ramming in the container, in container, add water again, make water logging not have the upper surface of sand, soak after 2-4 hour, open the valve of container bottom water is slowly discharged; At last, the water-glass sand in the container is emitted, dried and can utilize again.
2. the recycling method of a kind of used sodium silicate sand according to claim 1 is characterized in that: the water-glass sand in the described container is by oscillating column pump jolt ramming.
3. the recycling method of a kind of used sodium silicate sand according to claim 1 and 2, it is characterized in that: described water-glass sand is to handle by a kind for the treatment of apparatus of special use, this device comprises support, sand tank, waste water tank, deposit sandbox, described sand tank is fixed on the upper end of support, its tank body bilateral symmetry is equipped with oscillating column pump, the top of sand tank has a jar mouth, be provided with water inlet pipe around the jar mouth, water inlet pipe is provided with a plurality of water injection holes, the water inlet of water inlet pipe is provided with water intaking valve, the sand tank bottom is conical and is provided with opening, and opening part is equipped with filter, is connected to adjutage and discharging valve under the filter; Waste water tank is located at the support lower end, and the lower nozzle of adjutage is relative with the case mouth of waste water tank, and the waste water tank side is provided with drainpipe; Deposit the side that sandbox is located at support, the top of depositing sandbox is provided with pick sand machine slideway shelf, pick sand machine is installed on the chute of pick sand machine slideway shelf, the chute middle part is provided with pick sand machine fastening screw, the side of sand tank conical lower section is provided with over against the door that shakes out of depositing sandbox case mouth, shake out and locate to be connected with oil cylinder, oil cylinder is fixed on the pick sand machine slideway shelf by cylinder bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100605728A CN101462731B (en) | 2009-01-15 | 2009-01-15 | Recovery and reuse method for used sodium silicate sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100605728A CN101462731B (en) | 2009-01-15 | 2009-01-15 | Recovery and reuse method for used sodium silicate sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101462731A CN101462731A (en) | 2009-06-24 |
| CN101462731B true CN101462731B (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100605728A Expired - Fee Related CN101462731B (en) | 2009-01-15 | 2009-01-15 | Recovery and reuse method for used sodium silicate sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101462731B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784499A (en) * | 2011-05-20 | 2012-11-21 | 上海丰信环保科技有限公司 | Method for rapidly replacing quartz sand and active carbon |
| CN105032638A (en) * | 2015-06-30 | 2015-11-11 | 广西华锡集团股份有限公司车河选矿厂 | Desliming method used in fine cassiterite beneficiation |
| CN106392017A (en) * | 2016-06-13 | 2017-02-15 | 吴江市液铸液压件铸造有限公司 | Multi-contact sand pressing mechanism |
| CN111570718B (en) * | 2020-06-09 | 2021-11-12 | 南阳仁创砂业科技有限公司 | Preparation method and application of water glass reclaimed sand and reclaimed sand core |
-
2009
- 2009-01-15 CN CN2009100605728A patent/CN101462731B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101462731A (en) | 2009-06-24 |
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Granted publication date: 20111221 Termination date: 20160115 |
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