CN111974934A - Device and method for recovering water glass from used water glass sand - Google Patents
Device and method for recovering water glass from used water glass sand Download PDFInfo
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- CN111974934A CN111974934A CN202010810252.6A CN202010810252A CN111974934A CN 111974934 A CN111974934 A CN 111974934A CN 202010810252 A CN202010810252 A CN 202010810252A CN 111974934 A CN111974934 A CN 111974934A
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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
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
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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
- B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
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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
Abstract
The invention relates to a device and a method for recovering water glass from used water glass sand, which belong to the technical field of used water glass sand recovery, and comprise a magnetic separator, a first conveyor, a vibration dust removal device, two groups of second conveyors, a dry regeneration device, a wet regeneration device and a sewage treatment device, and further comprise a sand quality detection device for detecting the content of sodium oxide in the used water glass sand after being screened and dedusted by the vibration dust removal device and the content of sodium oxide in the used water glass sand at the discharge end of the dry regeneration device, wherein two groups of automatic discharge holes are arranged at the discharge position of the vibration dust removal device, and the signal input ends of the two groups of automatic discharge holes are connected with the signal output end of the sand quality detection device. Compared with the prior art, the method integrates the dry regeneration and the wet regeneration of the used sodium silicate sand, so that the wet regeneration overcomes the defect of poor impurity removal effect of the dry regeneration, the dry regeneration overcomes the defect of high sewage treatment capacity of the wet regeneration, the recovery efficiency of the sodium silicate is higher, and the subsequent sewage treatment is simpler.
Description
Technical Field
The invention belongs to the technical field of water glass used sand recovery, and particularly relates to a device and a method for recovering water glass from water glass used sand.
Background
The regeneration and reuse of the used sodium silicate sand refers to that after the used sodium silicate sand is crushed, impurities such as residual sodium oxide and the like on the surface of the used sand are removed, so that the physical and chemical properties of the used sodium silicate sand are recovered to be close to those of new sand, and the used sodium silicate sand is used for replacing the new sand. The main methods for regenerating the used sodium silicate sand comprise dry regeneration and wet regeneration, wherein the dry regeneration sand has poor usability and can only be used as back sand, the impurity removal rate of single dry regeneration is not more than 30 percent, and the regeneration and the reuse can not be really realized; the wet regeneration is to dissolve the sodium oxide impurities left on the surface of sand grains by using water, and then to separate the sodium oxide binder dissolved in the water from the sand along with the water by sand-water separation. The wet regeneration method has the advantages that the stripping rate can reach 80% -90%, the quality of the regenerated sand is good, and the regenerated sand can directly replace new sand to be used, so that the regeneration and the recycling are really realized, but the wet regeneration method has the defects of complex sewage treatment, large usage amount of chemicals and high energy consumption.
Therefore, the device and the method for recovering the water glass from the used water glass sand are provided.
Disclosure of Invention
The invention aims to provide a device and a method for recovering water glass from used water glass sand, so as to solve the problems in the background technology.
The invention realizes the purpose through the following technical scheme:
a device for recovering water glass from used water glass sand comprises a magnetic separator, a first conveyor, a vibration dust removal device, two groups of second conveyors, a dry regeneration device, a wet regeneration device and a sewage treatment device, and further comprises a sand quality detection device for detecting the sodium oxide content of the used water glass sand after being screened and dedusted by the vibration dust removal device and the sodium oxide content of the used water glass sand at the discharge end of the dry regeneration device, wherein two groups of automatic discharge ports are arranged at the discharge position of the vibration dust removal device, the signal input ends of the two groups of automatic discharge ports are both connected with the signal output end of the sand quality detection device, one group of automatic discharge ports is connected with the feed end of one group of second conveyors, the discharge end of the one group of second conveyors is connected with the feed end of the dry regeneration device, the other group of automatic discharge ports is connected with the feed end of the other group of second conveyors, and the discharge end of the other group of second conveyors is connected with the first feed end of the wet regeneration device, the signal input end of the discharge end of the dry method regeneration device is connected with the signal output end of the sand quality detection device, the discharge end of the dry method regeneration device is connected with the feed end of a third conveyor, the discharge end of the third conveyor is connected with the second feed end of the wet method regeneration device, and the tail end of the wet method regeneration device is connected with the water inlet end of the sewage treatment device through a pipeline.
As a further optimization scheme of the invention, the vibration dust removal device comprises a shell, a feeding hole positioned on one side of the upper end of the shell and two groups of automatic discharging holes positioned at one end of the shell, wherein a movable rotating screen and a fixed screen are sequentially arranged in the shell from top to bottom, a vibration motor is arranged at the bottom end in the shell, a dust area is arranged outside the vibration motor, and an air blower for blowing air into the shell is arranged at the top end of the shell.
As a further optimization scheme of the invention, the inner wall of the shell is provided with a noise reduction layer.
As a further optimization scheme of the invention, a sampling port of the sand quality detection device is arranged on the shell at a position close to the fixed screen.
As a further optimization scheme of the invention, the sand quality detection device comprises a sampling mechanism and a concentration tank, wherein the sampling mechanism samples from an automatic discharge port and a discharge end of the dry regeneration device, a PH sensor is arranged at the top end of the concentration tank, a liquid inlet pipe is arranged on one side of the upper end of the concentration tank, and a liquid outlet pipe is arranged at the bottom end of the concentration tank.
As a further optimization scheme of the invention, the liquid inlet pipe is provided with an electromagnetic valve, the bottom end of the concentration tank is provided with a weighing sensor, and the signal output end of the weighing sensor is connected with the signal input end of the electromagnetic valve.
As a further optimization scheme of the invention, the sampling mechanism comprises an inclined sampling tube, one end with a high horizontal height is positioned in the vibration dust removal device, one end with a low horizontal height is positioned at the upper end of the concentration pool, the end with the high horizontal height of the sampling tube is provided with a rotating device, the driving end of the rotating device is connected with a sampling shovel, the bottom surface of one end with the high horizontal height of the sampling tube is provided with a movable plate through an automatic rebound hinge, the top surface of one end with the high horizontal height of the sampling tube is provided with a protective cover, and a miniature negative pressure machine is arranged inside one end.
A method for recovering water glass from used water glass sand adopts the device for recovering water glass from used water glass sand, and comprises the following steps:
the method comprises the following steps: putting the dried used sodium silicate sand into a magnetic separator for magnetic separation to remove iron-containing impurities;
step two: conveying the used sodium silicate sand subjected to magnetic separation in the step one to a vibration dust removal device for dust removal, and removing dust in the used sodium silicate sand;
step three: sampling and detecting the sodium oxide content of the used sodium silicate sand from which the dust is removed in the second step by using a sand quality detection device, performing the fourth step when the sodium oxide content is less than a set value, and performing the sixth step when the sodium oxide content is greater than the set value;
step four: when the content of sodium oxide is less than a set value, the sand quality detection device transmits a signal to an automatic discharge port facing the wet regeneration device, and the used sodium glass sand material is conveyed to the wet regeneration device through a second conveyor for wet regeneration;
step five: the used sodium silicate sand material is processed by a wet regeneration device to obtain sodium silicate and sewage, the sodium silicate is dried and utilized, and the sewage enters a sewage treatment device to be treated and discharged after reaching the standard;
step six: when the content of sodium oxide is larger than a set value, the sand quality detection device transmits a signal to an automatic discharge hole leading to the dry regeneration device, and the used sodium glass sand material is conveyed to the dry regeneration device through a second conveyor for dry regeneration;
step seven: and D, discharging to a third conveyor after the content of the sodium oxide detected by the sand quality detection device is less than a set value, conveying the used sodium silicate sand to the over-wet method regeneration device by the third conveyor, and repeating the step five.
The invention has the beneficial effects that:
the invention integrates the dry regeneration and the wet regeneration of the used sodium silicate sand, so that the wet regeneration solves the defect of poor impurity removal effect of the dry regeneration, the dry regeneration solves the defect of large treatment capacity of the wet regeneration sewage, the recovery efficiency of the sodium silicate is higher, and the subsequent sewage treatment is simpler.
Drawings
FIG. 1 is a schematic view of a simple structure of an apparatus for recovering water glass from used water glass sand provided by the present invention;
FIG. 2 is a schematic structural diagram of a vibration dust removal device of the device for recovering water glass from used water glass sand provided by the invention;
FIG. 3 is a schematic structural diagram of a sand quality detection device of the device for recovering water glass from used water glass sand provided by the invention;
FIG. 4 is a schematic structural diagram of a sampling mechanism of a sand quality detection device of a device for recovering water glass from used water glass sand provided by the invention;
FIG. 5 is a flow chart of a method for recovering water glass from used water glass sand provided by the invention.
In the figure: 1. a magnetic separator; 2. a first conveyor; 3. a vibration dust removal device; 30. a dust area; 31. an automatic discharge hole; 32. a noise reduction layer; 33. a feed inlet; 34. a housing; 35. a blower; 36. a movable screen; 37. fixing the screen; 38. a vibration motor; 39. a sampling port; 4. a second conveyor; 5. a sand detection device; 51. a sampling mechanism; 511. a sampling tube; 512. a rotating device; 513. sampling shovels; 514. a protective cover; 515. a movable plate; 516. an automatic resilient hinge; 517. a miniature negative pressure machine; 52. a concentration tank; 53. a pH sensor; 54. a liquid inlet pipe; 55. a liquid outlet pipe; 56. a weighing sensor; 6. a dry regeneration device; 7. a wet regeneration device; 8. a third conveyor; 9. a sewage treatment device.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1, a device for recovering water glass from used water glass sand comprises a magnetic separator 1, a first conveyor 2, a vibration dust removal device 3, two groups of second conveyors 4, a dry regeneration device 6, a wet regeneration device 7 and a sewage treatment device 9, and further comprises a sand quality detection device 5 for detecting the sodium oxide content of the used water glass sand after being screened and dedusted by the vibration dust removal device 3 and the sodium oxide content of the used water glass sand at the discharge end of the dry regeneration device 6;
wherein, two groups of automatic discharge ports 31 are arranged at the discharging position of the vibration dust removing device 3, the signal input ends of the two groups of automatic discharge ports 31 are connected with the signal output end of the sand quality detecting device 5, the sand quality detecting device 5 controls the automatic discharge ports 31 to discharge, one group of automatic discharge ports 31 is connected with the feed end of one group of second conveyor 4, the discharge end of one group of second conveyor 4 is connected with the feed end of the dry regeneration device 6, the other group of automatic discharge ports 31 is connected with the feed end of the other group of second conveyor 4, the discharge end of the other group of second conveyor 4 is connected with the first feed end of the wet regeneration device 7, when the content of sodium oxide is less than a set value, the sand quality detecting device 5 controls to open the automatic discharge ports 31 of the wet regeneration device 7, the used sodium glass sand material conveys the used sodium glass sand to the wet regeneration device 7 through the second conveyor 4 for wet regeneration, when the content of sodium oxide is larger than a set value, the sand quality detection device 5 controls to open an automatic discharge port 31 of the dry regeneration device 6, and the used sodium glass sand material is conveyed to the dry regeneration device 6 through the second conveyor 4 for dry regeneration;
a signal input end of a discharge end of the dry regeneration device 6 is connected with a signal output end of the sand quality detection device 5, a discharge end of the dry regeneration device 6 is connected with a feed end of a third conveyor 8, a discharge end of the third conveyor 8 is connected with a second feed end of the wet regeneration device 7, after the water glass material entering the dry regeneration device 6 is processed by the dry regeneration device 6, the content of sodium oxide can be reduced, after the sand quality detection device 5 detects that the content of the water glass material is reduced below a set value, the discharge end of the dry regeneration device 6 is controlled to be opened, and the used water glass sand material enters the wet regeneration device 7 through the third conveyor 8 to be processed;
the tail end of the wet regeneration device 7 is connected with the water inlet end of the sewage treatment device 9 through a pipeline, the treatment result of the wet regeneration device 7 comprises water glass and sewage, the water glass is dried and recovered through an external drying device, and the sewage enters the sewage treatment device 9 to be treated and discharged after reaching the standard.
As shown in fig. 2, the vibrating dust removing device 3 includes a housing 34, a feeding port 33 located on one side of the upper end of the housing 34, and two sets of automatic discharging ports 31 located on one end of the housing 34, a movable screen 36 and a fixed screen 37 rotating inside the housing 34 are sequentially arranged from top to bottom inside the housing 34, a vibrating motor 38 at the bottom inside the housing 34, a dust area 30 outside the vibrating motor 38, a blower 35 blowing air into the housing 34 is arranged at the top end of the housing 34, after water glass material enters from the feeding port 33, the vibrating motor 38 drives the whole device to vibrate, and at the same time, the blower 35 blows from top to bottom, which can greatly increase the dust removing efficiency, so that the used water glass sand material according with the particle size stays on the movable screen 36 and the fixed screen 37, dust not according with the particle size falls into the dust area 30, a water spraying device is arranged at the bottom end inside the dust area 30, so that the materials on the screen fall onto the fixed screen 37 for discharging;
the noise reduction layer 32 is arranged on the inner wall of the shell 34, so that noise caused by the vibration motor 38 is reduced to a certain extent;
the position of the shell 34 close to the fixed screen 37 is provided with a sampling port 39 of the sand quality detection device 5, so that sufficient sampling can be ensured.
As shown in fig. 3 and 4, the sand quality detecting device 5 includes a sampling mechanism 51 and a concentration tank 52 for sampling from the automatic discharge port 31 and the discharge end of the dry regeneration device 6, a PH sensor 53 is disposed at the top end of the concentration tank 52, sodium hydroxide is generated when sodium oxide meets water, the sodium hydroxide solution is alkaline, the PH sensor 53 is used as a detecting sensor, a liquid inlet pipe 54 is disposed at one side of the upper end of the concentration tank 52, and a liquid outlet pipe 55 is disposed at the bottom end of the concentration tank 52;
the liquid inlet pipe 54 is provided with an electromagnetic valve for controlling the same water inflow detected each time, the bottom end of the concentration tank 52 is provided with a weighing sensor 56, the signal output end of the weighing sensor 56 is connected with the signal input end of the electromagnetic valve, and when the materials are sensed to enter, water enters simultaneously;
the sampling mechanism 51 comprises an inclined sampling tube 511, one end with a high horizontal height is positioned in the vibration dust removal device 3, one end with a low horizontal height is positioned at the upper end of the concentration pool 52, one end with a high horizontal height of the sampling tube 511 is provided with a rotating device 512, the driving end of the rotating device 512 is connected with a sampling shovel 513, the bottom surface of one end with a high horizontal height of the sampling tube 511 is provided with a movable plate 515 through an automatic rebound hinge 516, the top surface of one end with a high horizontal height of the sampling tube 511 is provided with a protective cover 514, and the inside of one end with a low horizontal;
when sampling is needed, the rotating device 512 is started to drive the sampling shovel 513 to rotate, when the sampling shovel 513 rotates, one end, facing outwards, passes through the upper part of the fixed screen 37 filled with the used water glass sand materials, so that the sampling shovel 513 is filled with the used water glass sand materials and continues to rotate to the inlet of the sampling pipe 511, when the sampling shovel is rotated upwards, the materials in the sampling shovel 513 fall into the sampling pipe 511 and enter the concentration pool 52 under the suction force of the miniature negative pressure machine 517, so that the material quality entering the concentration pool 52 every time is in the same close range, the weighing sensor 56 senses the material entering, the liquid inlet pipe 54 starts to enter deionized water, the entering water detected every time is the same, sodium oxide impurities wrapped on the outer surface of the materials are dissolved in the water, so that the water solution is alkaline, the pH sensor 53 is used as a data signal for detecting the sodium oxide content of the water glass materials after vibration dust removal by detecting the alkaline size in the, the automatic discharge port 31 of the vibration dust removal device 3 and the discharge end of the dry regeneration device 6 are controlled by the signal, and after detection, the liquid outlet pipe 55 is opened to discharge the mixture of the aqueous solution and the material to a designated device, and the concentration tank 52 is cleaned.
As shown in fig. 5, a method for recovering water glass from used water glass sand includes the following steps:
the method comprises the following steps: putting the dried used sodium silicate sand into a magnetic separator 1 for magnetic separation to remove iron-containing impurities;
step two: conveying the used sodium silicate sand subjected to magnetic separation in the step one to a vibration dust removal device 3 for dust removal, and removing dust in the used sodium silicate sand;
step three: sampling and detecting the sodium oxide content of the used sodium silicate sand from which the dust is removed in the second step by using a sand quality detection device 5, performing the fourth step when the sodium oxide content is less than a set value, and performing the sixth step when the sodium oxide content is greater than the set value;
step four: when the content of sodium oxide is less than a set value, the sand quality detection device 5 transmits a signal to an automatic discharge port 31 facing the wet regeneration device 7, and the used water glass sand material is conveyed to the wet regeneration device 7 through a second conveyor 4 for wet regeneration;
step five: the used sodium silicate sand material is processed by a wet regeneration device 7 to obtain sodium silicate and sewage, the sodium silicate is dried and utilized, and the sewage enters a sewage treatment device 9 to be treated and discharged after reaching the standard;
step six: when the content of sodium oxide is larger than a set value, the sand quality detection device 5 transmits a signal to an automatic discharge port 31 leading to the dry regeneration device 6, and the used sodium glass sand material is conveyed to the dry regeneration device 6 through a second conveyor 4 for dry regeneration;
step seven: and (5) discharging to a third conveyor 8 until the content of the sodium oxide detected by the sand quality detection device 5 is less than a set value, conveying the used sodium silicate sand to an over-wet method regeneration device 7 by the third conveyor 8, and repeating the step five.
The dry regeneration and the wet regeneration of the used sodium silicate sand are integrated, so that the defect of poor impurity removal effect of the dry regeneration is overcome by the wet regeneration, the defect of high sewage treatment capacity of the wet regeneration is overcome by the dry regeneration, the recovery efficiency of the sodium silicate is higher, and the subsequent sewage treatment is simpler.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. A device for recovering water glass from used water glass sand comprises a magnetic separator (1), a first conveyor (2), a vibration dust removal device (3), two groups of second conveyors (4), a dry regeneration device (6), a wet regeneration device (7) and a sewage treatment device (9), and is characterized by also comprising a sand quality detection device (5) for detecting the sodium oxide content of the used water glass sand screened and dedusted by the vibration dust removal device (3) and the sodium oxide content of the used water glass sand at the discharge end of the dry regeneration device (6), wherein two groups of automatic discharge holes (31) are arranged at the discharge position of the vibration dust removal device (3), the signal input ends of the two groups of automatic discharge holes (31) are connected with the signal output end of the sand quality detection device (5), one group of the automatic discharge holes (31) is connected with the feed end of one group of the second conveyors (4), and the discharge end of one group of second conveyors (4) is connected with the feed end of a dry regeneration device (6), the other group of automatic discharge holes (31) is connected with the feed end of the other group of second conveyors (4), the discharge end of the other group of second conveyors (4) is connected with the first feed end of a wet regeneration device (7), the signal input end of the discharge end of the dry regeneration device (6) is connected with the signal output end of a sand detection device (5), the discharge end of the dry regeneration device (6) is connected with the feed end of a third conveyor (8), the discharge end of the third conveyor (8) is connected with the second feed end of the wet regeneration device (7), and the tail end of the wet regeneration device (7) is connected with the water inlet end of a sewage treatment device (9) through a pipeline.
2. The device for recovering the water glass from the used water glass sand according to the claim 1, wherein the vibration dust removal device (3) comprises a shell (34), a feeding hole (33) positioned on one side of the upper end of the shell (34) and two groups of automatic discharging holes (31) positioned at one end of the shell (34), a movable screen (36) and a fixed screen (37) which rotate are sequentially arranged in the shell (34) from top to bottom, a vibration motor (38) arranged at the bottom end in the shell (34), a dust area (30) is arranged outside the vibration motor (38), and an air blower (35) for blowing air into the shell (34) is arranged at the top end of the shell (34).
3. The device for recovering water glass from used water glass sand according to claim 2, wherein the inner wall of the shell (34) is provided with a noise reduction layer (32).
4. A device for recovering water glass from used water glass sand according to claim 3, characterized in that a sampling port (39) of the sand quality detecting device (5) is provided on the housing (34) near the fixed screen (37).
5. The device for recovering the water glass from the used water glass sand according to the claim 1, characterized in that the sand quality detection device (5) comprises a sampling mechanism (51) for sampling from the automatic discharge port (31) and the discharge end of the dry regeneration device (6) and a concentration tank (52), the top end of the concentration tank (52) is provided with a PH sensor (53), one side of the upper end of the concentration tank (52) is provided with a liquid inlet pipe (54), and the bottom end of the concentration tank (52) is provided with a liquid outlet pipe (55).
6. The device for recovering the water glass from the used water glass sand is characterized in that an electromagnetic valve is arranged on the liquid inlet pipe (54), a weighing sensor (56) is arranged at the bottom end of the concentration tank (52), and the signal output end of the weighing sensor (56) is connected with the signal input end of the electromagnetic valve.
7. The device for recovering the water glass from the used water glass sand as claimed in claim 6, wherein the sampling mechanism (51) comprises an inclined sampling tube (511), one end with a high horizontal height is positioned in the vibration dust removal device (3), one end with a low horizontal height is positioned at the upper end of the concentration pool (52), one end with a high horizontal height of the sampling tube (511) is provided with a rotating device (512), the driving end of the rotating device (512) is connected with a sampling shovel (513), the bottom surface of one end with a high horizontal height of the sampling tube (511) is provided with a movable plate (515) through an automatic rebounding hinge (516), the top surface of one end with a high horizontal height of the sampling tube (511) is provided with a protective cover (514), and the inside of one end with a low horizontal height of the sampling tube (511) is provided with.
8. A method for recovering water glass from used water glass sand, which adopts the device for recovering water glass from used water glass sand of any one of claims 1 to 7, and is characterized by comprising the following steps:
the method comprises the following steps: putting the dried used sodium silicate sand into a magnetic separator (1) for magnetic separation to remove iron-containing impurities;
step two: conveying the used sodium silicate sand subjected to magnetic separation in the step one to a vibration dust removal device (3) for dust removal, and removing dust in the used sodium silicate sand;
step three: performing sodium oxide content sampling detection on the used water glass sand from which the dust is removed in the second step through a sand quality detection device (5), performing the fourth step when the sodium oxide content is less than a set value, and performing the sixth step when the sodium oxide content is greater than the set value;
step four: when the content of sodium oxide is less than a set value, the sand quality detection device (5) transmits a signal to an automatic discharge port (31) facing the wet regeneration device (7), and the used sodium glass sand material is conveyed to the wet regeneration device (7) through a second conveyor (4) for wet regeneration;
step five: the used sodium silicate sand material is processed by a wet regeneration device (7) to obtain sodium silicate and sewage, the sodium silicate is dried and utilized, and the sewage enters a sewage treatment device (9) to be treated and discharged after reaching the standard;
step six: when the content of sodium oxide is larger than a set value, the sand quality detection device (5) transmits a signal to an automatic discharge hole (31) leading to the dry regeneration device (6), and the used sodium glass sand material is conveyed to the dry regeneration device (6) through a second conveyor (4) for dry regeneration;
step seven: and (4) discharging to a third conveyor (8) until the content of the sodium oxide detected by the sand quality detection device (5) is less than a set value, conveying the used sodium silicate sand to the over-wet method regeneration device (7) by the third conveyor (8), and repeating the step five.
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| CN202010810252.6A CN111974934B (en) | 2020-08-13 | 2020-08-13 | Device and method for recovering water glass reclaimed sand from water glass used sand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398789A (en) * | 2023-12-14 | 2024-01-16 | 合利环保(河北)有限公司 | Dust collector of dry-type SOx/NOx control of fire coal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57209742A (en) * | 1981-06-16 | 1982-12-23 | Sintokogio Ltd | Method and device for treating recovered sand |
| CN102078915A (en) * | 2009-11-27 | 2011-06-01 | 天津市澳康建筑装饰工程有限责任公司 | Used water glass sand regeneration method |
| CN103785793A (en) * | 2014-02-10 | 2014-05-14 | 中机铸材科技（福建）有限公司 | Efficient fine-separation device for recycling sand for casting water glass |
| CN205762266U (en) * | 2016-06-14 | 2016-12-07 | 清远市顺博铝合金有限公司 | A kind of dry screen device |
| CN107470555A (en) * | 2017-08-02 | 2017-12-15 | 华中科技大学 | A kind of alkaline sewage recovery method of used sodium silicate sand wet reclamation |
| CN109226669A (en) * | 2018-11-27 | 2019-01-18 | 兴化市东昌合金钢有限公司 | A kind of water-glass sand regenerative system |
-
2020
- 2020-08-13 CN CN202010810252.6A patent/CN111974934B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57209742A (en) * | 1981-06-16 | 1982-12-23 | Sintokogio Ltd | Method and device for treating recovered sand |
| CN102078915A (en) * | 2009-11-27 | 2011-06-01 | 天津市澳康建筑装饰工程有限责任公司 | Used water glass sand regeneration method |
| CN103785793A (en) * | 2014-02-10 | 2014-05-14 | 中机铸材科技（福建）有限公司 | Efficient fine-separation device for recycling sand for casting water glass |
| CN205762266U (en) * | 2016-06-14 | 2016-12-07 | 清远市顺博铝合金有限公司 | A kind of dry screen device |
| CN107470555A (en) * | 2017-08-02 | 2017-12-15 | 华中科技大学 | A kind of alkaline sewage recovery method of used sodium silicate sand wet reclamation |
| CN109226669A (en) * | 2018-11-27 | 2019-01-18 | 兴化市东昌合金钢有限公司 | A kind of water-glass sand regenerative system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398789A (en) * | 2023-12-14 | 2024-01-16 | 合利环保(河北)有限公司 | Dust collector of dry-type SOx/NOx control of fire coal |
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