CN219797914U - Molding sand roasting structure - Google Patents
Molding sand roasting structure Download PDFInfo
- Publication number
- CN219797914U CN219797914U CN202321158844.XU CN202321158844U CN219797914U CN 219797914 U CN219797914 U CN 219797914U CN 202321158844 U CN202321158844 U CN 202321158844U CN 219797914 U CN219797914 U CN 219797914U
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- China
- Prior art keywords
- furnace body
- roasting furnace
- sand
- conveying device
- molding sand
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- 239000003110 molding sand Substances 0.000 title claims abstract description 44
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 18
- 238000010304 firing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 27
- 239000004576 sand Substances 0.000 abstract description 20
- 239000012535 impurity Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 238000005266 casting Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to a molding sand roasting structure, which comprises a roasting furnace body and a conveying device, wherein an annular mounting seat is arranged on the inner wall of the roasting furnace body, combustion devices are uniformly distributed on the inner wall of the annular mounting seat, a feeding end is arranged at the top of the roasting furnace body, and a discharging end is arranged at the bottom of the roasting furnace body; the conveying device is arranged at one side of the roasting furnace body, the input end of the conveying device is provided with a feed inlet, the output end of the conveying device is provided with a discharge outlet, and the discharge outlet is positioned right above the feed inlet; a feed hopper is arranged in the feed end. The waste sand flows like a waterfall and falls down vertically in the roasting furnace body, so that the waste sand is prevented from being piled up, the burning devices uniformly distributed on the inner wall of the annular mounting seat can heat the fallen waste sand sufficiently, the combustible impurities remained outside the waste sand are heated for full burning, and the waste sand burning impurity removing effect is improved.
Description
Technical Field
The utility model relates to the technical field of molding sand processing equipment, in particular to a molding sand roasting structure.
Background
The molding sand is a main molding material in modern casting production, is a main source of waste generated in the casting industry, and is generally high-quality quartz sand, so that a large amount of waste sand can be generated when the molding sand is applied to casting production of castings in the casting industry.
In the sand casting process, the used sand mould is generally provided with metal scraps and other components, after the sand mould is crushed into sand grains, the sand grains cannot be directly recycled due to excessive impurities, and the used sand can be only discarded, so that the environment pollution and the production cost are high.
When using the roasting furnace among the prior art to carry out heat treatment to the molding sand, carry the molding sand to the roasting furnace in through using hoisting device, and when the molding sand material loading, partial molding sand is piled up together easily, leads to being heated burning insufficiently, and residual impurity is more, is difficult to form effective separation, influences the purity of regeneration molding sand.
Disclosure of Invention
The utility model aims to provide a molding sand roasting structure with good impurity removal effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions.
The molding sand roasting structure comprises a roasting furnace body and a conveying device, wherein an annular mounting seat is arranged on the inner wall of the roasting furnace body, combustion devices are uniformly distributed on the inner wall of the annular mounting seat, a feeding end is arranged at the top of the roasting furnace body, and a discharging end is arranged at the bottom of the roasting furnace body; the conveying device is arranged at one side of the roasting furnace body, the input end of the conveying device is provided with a feed inlet, the output end of the conveying device is provided with a discharge outlet, and the discharge outlet is positioned right above the feed inlet; a feeding funnel is arranged in the feeding end, and an arched material guide piece is arranged below the lower port of the feeding funnel through a fixed supporting rod; the arched material guiding piece is in an inverted bowl shape, the top end of the arched material guiding piece is in an arched shape, and the material discharging opening and the arched material guiding piece are coaxial.
Therefore, when the device is used for burning and processing waste molding sand, the waste molding sand is led in from the feed inlet, is led into the feed end from the discharge inlet through the work of the conveying device, falls into the feed hopper after entering the feed end, and falls on the top of the arched guide piece through the lower port, and the arched guide piece is in an inverted bowl shape, and the top of the arched guide piece is in an arc arch shape, the waste molding sand is scattered after impacting the arc arch top of the arched guide piece and slides downwards along the peripheral outer wall of the arched guide piece, so that waste sand flows similar to waterfall are formed, vertically and downwards fall in the roasting furnace body, waste sand is prevented from being piled up, the burning device uniformly distributed on the inner wall of the annular mounting seat can heat the fallen waste sand sufficiently, and combustible impurities remained outside the waste sand are burnt sufficiently, so that the waste sand burning and impurity removing effect is improved, and the purpose of improving the sand recycling purity is achieved. The fixing support rod is used for supporting the arched material guide piece on one hand and breaking up the molding sand in blocks on the other hand, so that two purposes are achieved.
Further, the lower end of the discharging end is communicated with a conveying pipe, the bottom end of the conveying pipe is communicated with a dust removing tank, and the lower end of the dust removing tank is provided with a discharging end; the two sides of the dust removal tank are respectively and fixedly provided with an industrial dust collector through a fixing frame, and the input ends of the industrial dust collector are respectively communicated and connected with the dust removal tank through dust collection pipes.
The molding sand after combustion impurity removal is led into the dust removal tank through the discharge end and the conveying pipe, and vertically falls in the dust removal tank, and the dust after combustion drifts in the dust removal tank, the industrial dust collectors on two sides work, the dust is led out by the dust collection pipe, the dust removal effect is realized, the molding sand after treatment is discharged by the discharge end, and the impurity removal effect of the molding sand is further improved.
Further, the combustion device adopts a gas burner, and the heating temperature of the combustion device is 720-800 ℃.
The gas burner is used as a combustion device, so that higher heating temperature can be provided, combustible impurities outside the waste sand can be combusted sufficiently, and the effect of combustion impurity removal is ensured.
Further, the conveying device adopts pneumatic conveying equipment.
The pneumatic conveying equipment is adopted as a conveying device, and the molding sand is in a particle fluid shape, so that the pneumatic conveying equipment is suitable for conveying the molding sand, and the stability during conveying is ensured.
Further, the conveying device is fixedly arranged on the outer surface of the roasting furnace body through a fixed bracket.
By using a fixed support to fixedly mount the conveyor on the firing furnace body, overall stability of the conveyor can be provided.
Further, a conveyer belt is arranged below the discharging end, and fans are arranged on two sides of the conveyer belt at intervals.
Molding sand discharged from the discharge end finally falls onto the conveying belt, can be naturally cooled through long-distance transportation of the conveying belt, and meanwhile, fans arranged on two sides of the conveying belt at intervals can accelerate heat dissipation, temperature reduction and cooling of the molding sand.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic view of an arch-shaped guide structure according to the present utility model;
FIG. 4 is a second schematic view of the installation of the arch-shaped guide structure of the present utility model.
In the figure: 1. roasting the furnace body; 101. an annular mounting seat; 102. a combustion device; 11. a feed end; 12. a discharge end; 2. a feed hopper; 201. a lower port; 21. fixing the support rod; 3. an arched material guide; 4. a conveying device; 41. a feed inlet; 42. a discharge port; 5. a delivery tube; 6. a dust removal tank; 61. a discharge end; 7. a fixing frame; 71. an industrial vacuum cleaner; 72. a dust collection pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the molding sand roasting structure provided by the utility model comprises a roasting furnace body 1 and a conveying device 4, wherein an annular mounting seat 101 is arranged on the inner wall of the roasting furnace body 1, combustion devices 102 are uniformly distributed on the inner wall of the annular mounting seat 101, a feeding end 11 is arranged at the top of the roasting furnace body 1, and a discharging end 12 is arranged at the bottom of the roasting furnace body 1; the conveying device 4 is arranged at one side of the roasting furnace body 1, the input end of the conveying device 4 is provided with a feed inlet 41, the output end of the conveying device 4 is provided with a discharge outlet 42, and the discharge outlet 42 is positioned right above the feed end 11; a feeding funnel 2 is arranged in the feeding end 11, and an arched material guide 3 is arranged below a lower port 201 of the feeding funnel 2 through a fixed supporting rod 21; the arched material guide 3 is in an inverted bowl shape, the top end of the arched material guide 3 is in an arc arch shape, and the material outlet 42 is coaxial with the arched material guide 3.
When the device is used for burning waste molding sand, the waste molding sand is led in from the feed inlet 41 and is led in from the discharge outlet 42 to the feed end 11 through the work of the conveying device 4, the waste molding sand can fall into the feed hopper 2 after entering into the feed end 11 and falls on the top of the arched guide piece 3 through the lower port 201, the arched guide piece 3 is in an inverted bowl, the top of the arched guide piece 3 is in an arched shape, the waste molding sand is scattered after impacting on the arched top of the arched guide piece 3 and slides downwards along the peripheral side outer wall of the arched guide piece 3, a waste sand flow similar to a waterfall is formed, the waste molding sand is vertically and downwards dropped in the roasting furnace body 1, the waste molding sand is prevented from being piled up, the burning device 102 uniformly distributed on the inner wall of the annular mounting seat 101 can sufficiently heat the dropped waste molding sand, and fully burn combustible impurities remained outside the waste molding sand, so that the waste molding sand is burned, the impurity removing effect is improved, and the purpose of improving the recycling purity of molding sand is achieved.
Specifically, the lower end of the discharging end 12 is communicated with a conveying pipe 5, the bottom end of the conveying pipe 5 is communicated with a dust removal tank 6, and the lower end of the dust removal tank 6 is provided with a discharging end 61; the two sides of the dust removal tank 6 are respectively and fixedly provided with an industrial dust collector 71 through a fixing frame 7, and the input ends of the industrial dust collector 71 are respectively communicated with the dust removal tank 6 through dust collection pipes 72. The molding sand after combustion and impurity removal is led into the dust removal tank 6 through the discharge end 12 and the conveying pipe 5, and vertically falls in the dust removal tank 6, and the dust after combustion drifts in the dust removal tank 6, the industrial dust collectors 71 on two sides work, the dust is led out by the dust collection pipe 72, the dust removal effect is realized, the treated molding sand is discharged by the discharge end 61, and the impurity removal effect of the molding sand is further improved.
Specifically, the combustion device 102 adopts a gas burner, and the heating temperature of the combustion device 102 is 720-800 ℃. By adopting the gas burner as the combustion device 102, a higher heating temperature can be provided, so that the combustible impurities outside the waste sand can be combusted, and the combustion impurity removal effect is ensured.
In particular, the conveying device 4 adopts pneumatic conveying equipment. The pneumatic conveying equipment is adopted as the conveying device 4, and the molding sand is in a particle fluid shape, so that the pneumatic conveying equipment can be suitable for conveying the molding sand, and the stability during conveying is ensured.
Specifically, the conveying device 4 is fixedly arranged on the outer surface of the roasting furnace body 1 through a fixed bracket. By fixedly mounting the conveyor 4 on the calciner body 1 using a fixed support, the stability of the conveyor 4 as a whole can be provided.
Specifically, a conveyer belt is further arranged below the discharging end 61, and fans are arranged at intervals on two sides of the conveyer belt. The molding sand discharged from the discharge end 61 eventually falls onto a conveyor belt (not shown), and is naturally cooled by long-distance transportation of the conveyor belt, and meanwhile, cooling and cooling of the molding sand can be accelerated by fans (not shown) arranged at two sides of the conveyor belt at intervals.
The foregoing detailed description of the utility model has been presented in conjunction with a specific embodiment, and it is not intended that the utility model be limited to such detailed description. Several equivalent substitutions or obvious modifications will occur to those skilled in the art to which this utility model pertains without departing from the spirit of the utility model, and the same should be considered to be within the scope of this utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a molding sand roasting structure, includes roasting furnace body (1) and conveyor (4), its characterized in that:
an annular mounting seat (101) is arranged on the inner wall of the roasting furnace body (1), combustion devices (102) are uniformly distributed on the inner wall of the annular mounting seat (101), a feeding end (11) is arranged at the top of the roasting furnace body (1), and a discharging end (12) is arranged at the bottom of the roasting furnace body (1);
the conveying device (4) is arranged on one side of the roasting furnace body (1), a feed inlet (41) is formed in the input end of the conveying device (4), a discharge outlet (42) is formed in the output end of the conveying device (4), and the discharge outlet (42) is located right above the feed end (11);
a feeding funnel (2) is arranged in the feeding end (11), and an arched material guide (3) is arranged below a lower port (201) of the feeding funnel (2) through a fixed support rod (21);
the arched material guiding piece (3) is in an inverted bowl shape, the top end of the arched material guiding piece (3) is in an arched shape, and the material discharging opening (42) and the arched material guiding piece (3) are coaxial.
2. A sand-firing structure according to claim 1, characterized in that:
the lower end of the discharging end (12) is communicated with a conveying pipe (5), the bottom end of the conveying pipe (5) is communicated with a dust removal tank (6), and the lower end of the dust removal tank (6) is provided with a discharging end (61);
the two sides of the dust removal tank (6) are respectively and fixedly provided with an industrial dust collector (71) through a fixing frame (7), and the input ends of the industrial dust collector (71) are respectively communicated and connected with the dust removal tank (6) through dust collection pipes (72).
3. A sand-firing structure according to claim 1, characterized in that:
the combustion device (102) adopts a gas burner, and the heating temperature of the combustion device (102) is 720-800 ℃.
4. A sand-firing structure according to claim 1, characterized in that:
the conveying device (4) adopts pneumatic conveying equipment.
5. A sand-firing structure according to claim 1, characterized in that:
the conveying device (4) is fixedly arranged on the outer surface of the roasting furnace body (1) through a fixed bracket.
6. A sand-firing structure according to claim 2, characterized in that:
a conveyer belt is arranged below the discharging end (61), and fans are arranged at intervals on two sides of the conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158844.XU CN219797914U (en) | 2023-05-13 | 2023-05-13 | Molding sand roasting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158844.XU CN219797914U (en) | 2023-05-13 | 2023-05-13 | Molding sand roasting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219797914U true CN219797914U (en) | 2023-10-03 |
Family
ID=88152667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321158844.XU Active CN219797914U (en) | 2023-05-13 | 2023-05-13 | Molding sand roasting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219797914U (en) |
-
2023
- 2023-05-13 CN CN202321158844.XU patent/CN219797914U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |