CN2384705Y - Thermal cyclone old sand re-generation machine - Google Patents
Thermal cyclone old sand re-generation machine Download PDFInfo
- Publication number
- CN2384705Y CN2384705Y CN 99215933 CN99215933U CN2384705Y CN 2384705 Y CN2384705 Y CN 2384705Y CN 99215933 CN99215933 CN 99215933 CN 99215933 U CN99215933 U CN 99215933U CN 2384705 Y CN2384705 Y CN 2384705Y
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- sand
- staving
- heat supply
- base plate
- regenerating device
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Abstract
The utility model relates to a thermal cyclone old sand regeneration machine which can be used for a foundry to regenerate old sand, and especially for regenerating water glass old sand. The thermal cyclone old sand regeneration machine is mainly composed of a barrel body, an impeller agitating device, a heat supply nozzle, a machine frame, etc., wherein, the barrel body is installed on the machine frame, a drive part of the impeller agitating device is positioned at the top of the barrel body, impellers are positioned at the inner part of the barrel body, and the lower part of the barrel body is provided with the heat supply nozzle. The high speed steam jetted out of the heat supply nozzle can heat the sand and the water in the barrel body simultaneously. In addition, because of the intense agitation of the impellers, the shedding speed and the meltage in water of inert films which are covered at the surface of the old sand are greatly increased. Thus, the quality of the regenerated sand is enhanced, and the sewage generation is reduced.
Description
The utility model relates to a kind of reclaiming machine for waste sand.
Water-glass sand is widely used in Foundry Production, but the Reclamation of Used Waterglass Sand problem fails to be well solved for a long time always.As everyone knows, water-glass sand is regenerated main at present two kinds of methods, i.e. wet reclamation or the dry reclamation of adopting.
Wet reclamation equipment mainly contains types such as mechanical agitation type, hydraulic cyclone formula.The greatest problem that these equipment exist is to produce a large amount of sewage in the process of regenerating used, and the one ton of sewage that sand produced of regenerating can reach 20 tons more than, needs additional dote on big sewage disposal system and great number sewage disposal expense.
Dry reclamation equipment has been avoided the existence of the problems referred to above, but that the quality of reclaimed sand can not show a candle to the quality of washed sand is good, and in many production occasions, dry reclamation sand can only partly replace fresh sand to use.
The utility model provides a kind of hot spiral-flow reclaiming machine for waste sand at the problems referred to above that prior art exists, and its purpose is that this machine can produce high-quality reclaimed sand on the one hand, can reduce the sewage generation significantly again on the other hand.
In order to achieve the above object, the solution that the utility model adopts is: a kind of hot spiral-flow reclaiming machine for waste sand is provided, and this machine comprises parts such as staving, frame, impeller agitating device, heat supply nozzle, sand inlet flashboard sealing device, sand export base plate sealing device, water inlet pipe, compressed air hose, sewage pipe.Truncate taper is made at the staving top, and the impeller agitating device is fixed on the staving top by bearing block.Sand inlet is located at the staving top, and the sand inlet place is provided with flashboard sealing device.The delivery port of water pipe is located at on the sand hopper sidewall.The staving bottom is provided with one or more heat supply nozzles, is provided with the sand block porous disc in the nozzle, the level inclination of nozzle be 15 degree to 65 degree, and incline direction is identical with the impeller direction of rotation.When the staving bottom was provided with 2 above heat supply nozzles, staving bottom lateral wall also was provided with the annular casing that communicates with nozzle.Said nozzle or annular casing and supplying heat source are that steam boiler is connected.Sand export is located at the staving bottom, and the sand export place is provided with the base plate sealing device.Base plate top is provided with porous disc and wire netting, and sand export can be opened or close to base plate.The staving top is provided with compressed air inlet pipe, and staving top and base plate bottom also respectively are provided with a sewage pipe.Be equipped with valve on above-mentioned compressed air hose, water inlet pipe, sewage pipe, the steam pipe.The staving outside is surrounded by heat-barrier material.
Advantage of the present utility model is:
1, removal sand grain surface inert mucous membrane ability is strong, and the casting model powder regeneration applicable to all kinds of use water soluble adhesives is specially adapted to water-glass sand regeneration.
2, reclaimed sand quality height can 100% replaces fresh sand and uses, do facing sand do core sand all can, its mechanical performance and serviceability also are better than fresh sand.
3, reclaimed sand rate of recovery height can reach 85-90%.
4, effluent sewerage is few, one ton of the sewage deficiency of reclaimed sand actual production per ton, and sewage also can utilize after treatment again.
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is carried out concrete description.
Fig. 1 is a structure diagram of the present utility model, and wherein the part is broken away, and Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 1 shows staving 1 and is vertical unit, is installed on the frame (not drawing among the figure) by bearing 10.Truncate taper is made at the staving top, can reduce installation of water.Impeller 12 is fixed on the axle 11 by bolt and key, and axle 11, bearing block 7, reducing motor 6 are formed the impeller agitating device successively, and be fixed on the top of staving 1 by bearing block 7.Sand inlet is located at staving 1 top.Advance sand hopper 5, flashboard 4, slide 2 and the sealing ring 3 common flashboard sealing devices of forming, and pass through fixedly sand inlet place of slide 2.Flashboard 4 and cylinder (not drawing among the figure) connect, and flashboard 4 moves by acting in the slide 2 of cylinder, thereby finish the opening and closing to sand inlet.The delivery port of water inlet pipe 8 is opened on the sidewall of sand hopper 5 into, and compressed air inlet pipe 9 is welded on the top of staving 1.The top of staving 1 also is provided with sewage pipe 24.
Sand export is located at the bottom of staving 1.Sand export ring flange 16, sealing ring 23, base plate 18, slideway 19, chute 17 are assembled into sand export base plate sealing device, wherein oblique slideway 19 and chute 17 are fixed together, chute is fixed on the ring flange 16, base plate 18 and cylinder (not drawing among the figure) connect, under cylinder action, base plate can move on oblique slideway 19, finishes the opening and closing of fault to sand export.Base plate 18 tops are provided with porous disc 20 and wire netting 22, and the bottom is provided with sewage pipe 21.
Be equipped with valve (not drawing among the figure) on above-mentioned water inlet pipe 8, compressed air hose 9, sewage pipe 21 and 24, the steam pipe 15.The outside bag of the staving thick mineral wool heat-barrier material of 40-60mm (not drawing among the figure).
When used sodium silicate sand and water by after advancing sand hopper 5 and entering staving 1,12 rotations of reducing motor 6 impeller are carried out strong agitation to the sand grains in the water, sand group, make between sand grains and the sand grains, between sand grains and the impeller, the strong friction of generation between sand grains and the bucket wall.In this process, heat supply nozzle 13 ejection high speed water steam heat water, can be heated to boiling point always.Along with the rising of water temperature, the solubility of silica gel in water increases greatly, makes to dissolve in more waterglass film in the water.The effect that sand water is added strong mixing is also played in the ejection of high speed water steam.
Under the acting in conjunction of above-mentioned factor, the waterglass inert film that the old sand surface adhesion the dissolving that comes off rapidly.When the sand grains demoulding reaches requirement, can suspend impeller 12 rotations and nozzle 13 spray vapour; Open scum valve, part of contaminated water and dust are flowed out through last sewage pipe 24; Close this valve and sand inlet flashboard 4 then, open the blowoff valve of base plate 18 bottoms, feed compressed air, residue sewage is extruded outside the bucket by the wire netting on the base plate 18 22, porous disc 20, sewage pipe 21 successively as far as possible through air inlet pipe 9.Close the valve on the sewage pipe 21 at last, open sand inlet flashboard 4, add water reclaimed sand is cleaned.,, after the reclaimed sand quality reaches requirement, can open sand export and emit reclaimed sand all over cleaning through several.
The above only is a preferred embodiment of the present utility model, under the prerequisite that does not break away from the utility model principle, also can do some modification and improvement, also should look to belong to protection domain of the present utility model.
Claims (9)
1, a kind of hot spiral-flow reclaiming machine for waste sand, comprise staving, impeller agitating device, base plate sealing device, water inlet pipe, advance sand hopper, sewage pipe, frame, the impeller agitating device is fixed on staving (1) top by bearing block (7) and impeller (12) is in staving inside, the base plate sealing device is located at the sand export place of staving bottom, sand export can be opened or close to base plate (18), staving (1) is installed on the frame, it is characterized in that:
One, staving (1) bottom is provided with one or more heat supply nozzles (13);
Two, staving (1) outside is surrounded by heat-barrier material.
2, as regenerating device as described in the right 1, it is characterized in that heat supply nozzle (13) is being 15 °-65 ° perpendicular to the inclination angle on the cross section of staving (1) axis, incline direction is identical with the direction of rotation of impeller (12).
3, as regenerating device as described in the right 2, it is characterized in that heat supply nozzle (13) inside is provided with the sand block porous disc.
4, as regenerating device as described in the right 1, it is characterized in that truncate taper is made at the top of staving (1).
5, as regenerating device as described in the right 1, it is characterized in that the top of staving (1) is provided with compressed air inlet pipe (9).
6, as regenerating device as described in the right 1, it is characterized in that the sand inlet place at staving (1) top is provided with flashboard sealing device, flashboard (4) can open or cut out sand inlet as required.
7, as regenerating device as described in the right 1, it is characterized in that the top of staving (1) is provided with sewage pipe (24).
8, as regenerating device as described in the right 1, it is characterized in that the top of base plate (18) is provided with porous disc (20) and wire netting (22), the bottom of base plate is provided with sewage pipe (21).
9, as regenerating device as described in the right 1, when heat supply nozzle (13) quantity is that 2 wall of bucket when above outsides are provided with the ring-shaped box (14) that communicates with nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215933 CN2384705Y (en) | 1999-07-15 | 1999-07-15 | Thermal cyclone old sand re-generation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215933 CN2384705Y (en) | 1999-07-15 | 1999-07-15 | Thermal cyclone old sand re-generation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2384705Y true CN2384705Y (en) | 2000-06-28 |
Family
ID=34007735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99215933 Expired - Fee Related CN2384705Y (en) | 1999-07-15 | 1999-07-15 | Thermal cyclone old sand re-generation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2384705Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323779C (en) * | 2002-09-13 | 2007-07-04 | 李明星 | Renovation and reclamation process for silicate-bonded sand |
| CN102615243A (en) * | 2012-03-27 | 2012-08-01 | 华中科技大学 | Foundry used sand wet intermittent regeneration method and equipment thereof |
| CN101209485B (en) * | 2007-12-21 | 2013-10-16 | 李江平 | Used sand reclamation method and used sand reclamation system thereof |
| CN113695515A (en) * | 2020-05-21 | 2021-11-26 | 邓超 | Inorganic sand regeneration process method |
-
1999
- 1999-07-15 CN CN 99215933 patent/CN2384705Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323779C (en) * | 2002-09-13 | 2007-07-04 | 李明星 | Renovation and reclamation process for silicate-bonded sand |
| CN101209485B (en) * | 2007-12-21 | 2013-10-16 | 李江平 | Used sand reclamation method and used sand reclamation system thereof |
| CN102615243A (en) * | 2012-03-27 | 2012-08-01 | 华中科技大学 | Foundry used sand wet intermittent regeneration method and equipment thereof |
| CN113695515A (en) * | 2020-05-21 | 2021-11-26 | 邓超 | Inorganic sand regeneration process method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |