CN213514994U - Calcination rotary furnace for ceramsite slag-removing sand - Google Patents
Calcination rotary furnace for ceramsite slag-removing sand Download PDFInfo
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- CN213514994U CN213514994U CN202022628265.XU CN202022628265U CN213514994U CN 213514994 U CN213514994 U CN 213514994U CN 202022628265 U CN202022628265 U CN 202022628265U CN 213514994 U CN213514994 U CN 213514994U
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Abstract
The utility model relates to a calcining rotary furnace for ceramsite slag-removed sand, which comprises a frame and a rotary furnace body which is obliquely arranged on the frame and rotates, wherein a feeding furnace body and a discharging furnace body which are respectively positioned at the head end and the tail end of the rotary furnace body are fixedly arranged on the frame, one end of the feeding furnace body is provided with a feeding port, the interior of the feeding furnace body is provided with a preheating chamber and a smoke outlet chamber, the feeding port is provided with an auger conveyor, the inner wall of the rotary furnace body is provided with a spiral scraping plate and a plurality of scattering plates which are arranged at intervals, the scattering plates are spirally and sequentially deflected, the rotary furnace body which is inclined is driven by a rolling way support and a riding wheel rolling fit support, a pinion and a gear wheel are meshed with a large gear to drive the rotary furnace body to rotate relative to the feeding furnace body and the discharging furnace body, waste heat air discharged by the smoke outlet pipe preheats raw materials so as to save energy consumption and improve the, prevent the raw materials from agglomerating to cause the difference of calcination temperature during calcination, and improve the calcination uniformity and the calcination quality.
Description
Technical Field
The utility model relates to a haydite slagging-off sand is with calcining rotary furnace belongs to haydite slagging-off sand production facility technical field.
Background
The ceramsite slag-removing sand is an infusible substance on the surface of the molten iron gathered in the smelting and casting industry, is easy to remove, ensures the purity of the molten iron, can effectively prevent the slag inclusion defect of the casting, improves the internal quality of the casting, improves the yield of the casting, reduces the production cost, and can be used in casting ladles, tundishes and electric furnaces. The production process of the ceramsite slag-removing sand needs to be calcined by a calcining rotary furnace, and the raw materials are subjected to reactions such as dehydration, decarburization and the like in the treatment process, so that the internal tension of the molecular structure of the substance is relieved, and the performance stability is improved. The calcining rotary furnace in the prior art is used as a thermal device, a cylindrical furnace body with a refractory material as an inner lining is supported and slowly rotated by the furnace body, materials are added from a higher tail end and unloaded from a lower furnace head end, because the calcining raw materials entering the mixing rotary furnace body only move along with the rotary furnace by means of friction resistance, agglomeration is easily generated between adjacent raw materials to influence temperature control and uniformity, and meanwhile, the waste heat of the discharged flue gas cannot be utilized, so that energy waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a haydite slagging-off sand is with calcining rotary furnace, preheat the raw materials in order to practice thrift the energy consumption, improve the calcination treatment efficiency of rotary furnace body through a tobacco pipe exhaust waste heat air, flitch and a plurality of board of breaing up are scraped to the spiral in the rotary furnace body and the material is fully taken and broken up, improve and calcine the homogeneity and calcine the quality.
The utility model discloses a realize through following technical scheme:
a calcining rotary furnace for ceramsite slag-removing sand comprises a frame and a rotary furnace body which is obliquely arranged on the frame and rotates, wherein at least two roller path supports which are coaxially arranged with the rotary furnace body are arranged outside the rotary furnace body, two sides of each roller path support are provided with riding wheels which are matched in a rolling way and arranged on the frame, at least one large gear which is coaxially arranged with the rotary furnace body is arranged outside the rotary furnace body, one side of the large gear is provided with a meshed small gear, and the small gear is connected with a motor shaft of a rotating motor;
a feeding furnace body and a discharging furnace body which are respectively positioned at the head end and the tail end of the rotary furnace body are fixedly arranged on the rack, one end of the feeding furnace body is provided with a feeding hole, a preheating chamber and a smoke outlet chamber positioned between the preheating chamber and the rotary furnace body are arranged in the feeding furnace body, and an air inlet pipe and a smoke outlet pipe are respectively arranged on the preheating chamber and the smoke outlet chamber;
the feed inlet is provided with an auger conveyor with the end part arranged in the preheating chamber, the auger conveyor is provided with a feed hopper, the two ends of the rotary furnace body are provided with annular grooves, the end parts of the feed furnace body and the discharge furnace body are in clearance fit with the annular grooves,
the rotary furnace body is characterized in that a spiral scraping plate and a plurality of scattering plates arranged at intervals are arranged on the inner wall of the rotary furnace body, the scattering plates are spirally deflected and arranged, the scattering plates are of T-shaped structures, the end part of the discharging furnace body is conical and is provided with a feed opening, a transition section is arranged between the preheating chamber and the smoke outlet chamber, and a burner opening is formed in the transition section or the discharging furnace body.
The utility model has the advantages that:
(1) the inclined rotary furnace body is driven to rotate relative to the feeding furnace body and the discharging furnace body by the rolling support and the supporting of the rolling fit of the roller path support and the riding wheel, and the pinion and the gearwheel are meshed, so that the flue gas rises through the inclined rotary furnace body, enters the smoke chamber, and the waste heat air after being discharged and treated through the smoke outlet pipe is sent into the preheating chamber through the air inlet pipe, and the raw material conveyed by the auger conveyor is preheated, so that the waste heat is utilized, the energy consumption is saved, and the temperature of the raw material is preliminarily raised to accelerate the calcining treatment efficiency of the rotary furnace body;
(2) the flitch is scraped constantly to the spiral that the raw materials passes through in the rotary furnace body, prevents a large amount of materials in rotary furnace body bottom deposit to along with the spiral scrapes the area material effect of flitch, when the raw materials freely drops, is broken up the board striking and is broken up by a plurality of T shapes that the heliciform deflected the setting in proper order, produces when preventing that the raw materials from calcining and reunites and cause the calcination temperature difference, thereby to sum up improves and calcines homogeneity and calcination quality.
Drawings
Fig. 1 is a three-dimensional structure diagram of the present invention.
Fig. 2 is a front view structural diagram of the present invention.
Fig. 3 is a perspective view of the rotary furnace body of the present invention.
The labels in the figure are: the device comprises a frame 1, a rotary furnace body 2, a raceway support 3, a riding wheel 4, a large gear 5, a small gear 6, a rotating motor 7, a feeding furnace body 8, a discharging furnace body 9, a feeding port 10, a preheating chamber 11, a smoke outlet chamber 12, an air inlet pipe 13, a smoke outlet pipe 14, an auger conveyor 15, a feeding hopper 16, an annular groove 17, a scattering plate 18, a discharging port 19, a transition section 20, a burner port 21, a cyclone dust collector 22, a fan 23 and a spiral scraping plate 24.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A calcining rotary furnace for ceramsite slag-removing sand comprises a packaging machine frame 1 and a rotary furnace body 2 which is obliquely arranged on the frame 1 and rotates, wherein at least two raceway supports 3 which are coaxial with the rotary furnace body 2 are arranged outside the rotary furnace body 2, riding wheels 4 which are matched in a rolling manner and arranged on the frame 1 are arranged on two sides of the raceway supports 3, at least one large gear 5 which is coaxial with the rotary furnace body 2 is arranged outside the rotary furnace body 2, a meshed small gear 6 is arranged on one side of the large gear 5, and the small gear 6 is connected with a motor shaft of a rotary motor 7;
a feeding furnace body 8 and a discharging furnace body 9 which are respectively positioned at the head end and the tail end of the rotary furnace body 2 are fixedly arranged on the frame 1, a feeding port 10 is arranged at one end of the feeding furnace body 8, a preheating chamber 11 and a smoke outlet chamber 12 which is positioned between the preheating chamber 11 and the rotary furnace body 2 are arranged in the feeding furnace body, and an air inlet pipe 13 and a smoke outlet pipe 14 are respectively arranged on the preheating chamber 11 and the smoke outlet chamber 12;
the feed inlet 10 is provided with an auger conveyor 15 with the end part arranged in the preheating chamber 11, the auger conveyor 15 is provided with a feed hopper 16, the two ends of the rotary furnace body 2 are provided with annular grooves 17, the end parts of the feed furnace body 8 and the discharge furnace body 9 are in clearance fit with the annular grooves 17,
the rotary furnace body 2 is characterized in that a spiral scraping plate 24 and a plurality of scattering plates 18 arranged at intervals are arranged on the inner wall of the rotary furnace body 2, the scattering plates 18 are spirally deflected and arranged in sequence, the scattering plates 18 are of T-shaped structures, the end part of the discharging furnace body 9 is conical and is provided with a feed opening 19, a transition section 20 is arranged between the preheating chamber 11 and the smoke outlet chamber 12, and a burner opening 21 is arranged on the transition section 20 or the discharging furnace body 9.
The utility model discloses a theory of operation does:
the rotary furnace body 2 is supported 3 through a roller path arranged outside the rotary furnace body 2, and is in rolling friction with riding wheels 4 arranged on the rack 1 at two sides to reduce friction resistance and support the rotary furnace body 2, the rotary furnace body 2 drives a pinion 6 to rotate through a motor shaft of a rotating motor 7, the pinion 6 drives a big gear 5 outside the rotary furnace body 2 to rotate under the meshing action, so that the rotary furnace body 2 is inclined and rotationally driven, two ends of the rotary furnace body 2 are in clearance fit with a feeding furnace body 8 and a discharging furnace body 9 through ring grooves 17 to realize butt joint, the feeding furnace body 8 and the discharging furnace body 9 are fixed on the rack 1 and do not move, and the rotary furnace body 2 rotates relative to the feeding furnace body 8 and the discharging furnace body 9;
feeding materials to an auger conveyor 15 by a feeding hopper 16, feeding the ceramsite slag-removed sand raw materials by a rotary auger blade of the auger conveyor 15 to move forward and fall into a preheating chamber 11, referring to figure 2, connecting a smoke outlet pipe 14 with an inlet of a cyclone separator, connecting an outlet of the cyclone separator with a fan 23, connecting an air outlet of the fan 23 with an air inlet pipe 13, arranging a burner port 21 at a transition section 20 as shown in figure 1, and conveying hot air at the burner port 21 to a rotary furnace body 2 by wind power of the air inlet pipe 13, or arranging the hot air on a discharge furnace body 9 as shown in figure 2, conveying the hot air to the rotary furnace body 2 by self-flowing of the hot air to realize calcination heating on the rotary furnace body 2;
the hot air rises from the upper half part of the smoke outlet chamber 12, flows out through the smoke outlet pipe 14, is drawn by the dedusting separation and fan 23 of the cyclone separator, is input into the air inlet pipe 13, preheats the raw material in the preheating chamber 11 by utilizing the waste heat of the gas so as to save energy consumption, simultaneously, the raw material is preliminarily heated by preheating treatment so as to accelerate the calcining treatment efficiency of the rotary furnace body 2, and the raw material flows into the rotary furnace body 2 through the preheating chamber 11, the transition section 20 and the smoke outlet chamber 12 to be calcined;
as shown in the attached figures 2-3, the raw material is continuously scraped by the spiral scraper 24 in the rotary furnace body 2 to prevent a large amount of material from depositing at the bottom of the rotary furnace body 2, and the raw material is impacted and scattered by a plurality of T-shaped scattering plates 18 which are spirally and sequentially deflected when falling freely along with the material carrying function of the spiral scraper 24, so as to prevent the raw material from agglomerating to cause a difference in calcination temperature during calcination, and the flue gas rises to enter the upper half part of the smoke outlet chamber 12 along the inclined rotary furnace body 2, flows out through the smoke outlet pipe 14 and is subjected to dust removal treatment by the cyclone separator, thereby improving the calcination uniformity and the calcination quality.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A calcining rotary furnace for ceramsite slag-removed sand comprises a frame (1) and a rotary furnace body (2) which is obliquely arranged on the frame (1) and rotates, and is characterized in that a feeding furnace body (8) and a discharging furnace body (9) which are respectively positioned at the head end and the tail end of the rotary furnace body (2) are fixedly arranged on the frame (1), one end of the feeding furnace body (8) is provided with a feeding hole (10), a preheating chamber (11) and a smoke outlet chamber (12) which is positioned between the preheating chamber (11) and the rotary furnace body (2) are arranged in the feeding furnace body, and an air inlet pipe (13) and a smoke outlet pipe (14) are respectively arranged on the preheating chamber (11) and the smoke outlet chamber (12);
the rotary furnace body (2) is provided with a spiral scraping plate (24) and a plurality of scattering plates (18) arranged at intervals on the inner wall, the scattering plates (18) are spirally deflected in sequence, and the end part of the discharge furnace body (9) is conical and is provided with a feed opening (19).
2. A rotary calcining furnace for haydite slag-off sand according to claim 1, characterized in that at least two raceway supports (3) coaxially arranged with the rotary furnace body (2) are arranged outside the rotary furnace body (2), and riding wheels (4) which are matched in a rolling way and arranged on the frame (1) are arranged on two sides of the raceway supports (3).
3. A rotary calcining furnace for haydite slag-removed sand according to claim 2, characterized in that at least one big gear (5) is arranged outside the rotary furnace body (2) and is coaxial with the rotary furnace body (2), one side of the big gear (5) is provided with a small gear (6) which is engaged with the big gear, and the small gear (6) is connected with a motor shaft of a rotating motor (7).
4. The rotary calcining furnace for ceramsite slag-removed sand according to claim 1, wherein the feed inlet (10) is provided with an auger conveyor (15) with the end part arranged inside the preheating chamber (11), and the auger conveyor (15) is provided with a feeding hopper (16).
5. A rotary calcining furnace for haydite slag-off sand according to claim 1, characterized in that the rotary furnace body (2) is provided with ring grooves (17) at both ends, and the ends of the feeding furnace body (8) and the discharging furnace body (9) are in clearance fit with the ring grooves (17).
6. A rotary calcining furnace for haydite deslagging sand according to claim 1, characterized in that said scattering plate (18) presents a T-shaped structure.
7. The rotary calcining furnace for ceramsite slag-removed sand according to any one of claims 1-5, wherein a transition section (20) is arranged between the preheating chamber (11) and the smoke outlet chamber (12), and a burner port (21) is arranged on the transition section (20) or the discharge furnace body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628265.XU CN213514994U (en) | 2020-11-14 | 2020-11-14 | Calcination rotary furnace for ceramsite slag-removing sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628265.XU CN213514994U (en) | 2020-11-14 | 2020-11-14 | Calcination rotary furnace for ceramsite slag-removing sand |
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| CN213514994U true CN213514994U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022628265.XU Active CN213514994U (en) | 2020-11-14 | 2020-11-14 | Calcination rotary furnace for ceramsite slag-removing sand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849736A (en) * | 2022-10-28 | 2023-03-28 | 安徽华塑股份有限公司 | Device for preparing active calcium oxide calcium carbide raw material from calcium carbide slag |
-
2020
- 2020-11-14 CN CN202022628265.XU patent/CN213514994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849736A (en) * | 2022-10-28 | 2023-03-28 | 安徽华塑股份有限公司 | Device for preparing active calcium oxide calcium carbide raw material from calcium carbide slag |
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