CN215002853U - Low-energy-consumption and uniform-heat-conduction grinding material calcining device - Google Patents
Low-energy-consumption and uniform-heat-conduction grinding material calcining device Download PDFInfo
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- CN215002853U CN215002853U CN202120918097.XU CN202120918097U CN215002853U CN 215002853 U CN215002853 U CN 215002853U CN 202120918097 U CN202120918097 U CN 202120918097U CN 215002853 U CN215002853 U CN 215002853U
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Abstract
The utility model discloses a grinding material calcining device with low energy consumption and uniform heat conduction, which comprises a cylindrical rotary furnace body, wherein a feed mechanism is connected at a feed inlet, an ignition mechanism is arranged at a corresponding discharge outlet, and a refractory material layer is arranged on the inner wall of the rotary furnace body; the rotary furnace is characterized in that a rotating mechanism and a supporting mechanism are arranged outside the rotary furnace body, the feeding mechanism comprises a feeding cylinder, the top of the feeding cylinder is connected with a material conveying machine through a feeding pipe, a connecting port is formed in one side wall, corresponding to the feeding port, of the feeding cylinder, a flexible connecting cylinder is arranged between the connecting port and the feeding port, the flexible connecting cylinder is formed by a plurality of flexible steel plates in a surrounding mode, and the adjacent flexible steel plates are overlapped partially. The utility model has the advantages of the piece heaies up, heat conduction is even, the energy consumption is low, can carry out the gyration to the corundum abrasive material of dispersed state and calcine, need not place the abrasive material in the container again and calcine for the abrasive material can be quick, evenly heat up, reduced the energy consumption by a wide margin, improved production efficiency.
Description
Technical Field
The utility model relates to a corundum abrasive material production preparation technical field, concretely relates to abrasive material calcining device with low energy consumption and uniform heat conduction.
Background
Abrasives are a raw material of basic industry, called industrial teeth, and are widely used in the fields of machining, electronics, light industry, chemical industry, building materials, metallurgy, ceramics, aerospace, military, industry and the like due to the characteristics of sharp edges, particles, high hardness and the like of the teeth. The artificial corundum belongs to common abrasives, and is an abrasive product which is most widely applied, has the largest using amount and has the strongest vitality, and the corundum abrasives have more types, such as brown corundum abrasives, white corundum abrasives, black corundum abrasives and the like. Taking brown corundum as an example, the brown corundum is brown artificial corundum which is prepared by melting and reducing alumina, carbon material and scrap iron in an electric furnace. In the production and preparation process of the corundum abrasive, a granular abrasive semi-finished product needs to be calcined at high temperature, so that the inherent performance of the corundum abrasive is improved.
In the prior art, granular corundum abrasive needs to be filled into cylindrical or square containers made of refractory materials, the containers are stacked on a transport trolley one by one, and the containers are driven by the trolley to enter a tunnel kiln to be calcined. However, calcination in this manner has the following disadvantages: 1. the abrasive particles placed in the container are uneven in heat conduction, the abrasive at the edge is heated quickly and at high temperature, and the abrasive at the center is heated slowly and at low temperature; 2. the containers are stacked layer by layer, and each container is heated unevenly due to different positions, for example, the container placed at the topmost layer is heated quickly, and the containers at the middle or the bottom are heated slowly; 3. 4, the time required for calcination is long, the energy consumption is large, and the calcination effect can be achieved only by keeping for a plurality of hours after the temperature is generally raised to over 1000 ℃.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a low energy consumption, the even abrasive material calcining device of heat conduction can calcine the graininess abrasive material under the dispersed state, need not use the container to hold, and the process of calcining intensifies soon, heat conduction is even, the energy consumption is low.
In order to solve the technical problem, the utility model adopts the following technical scheme:
designing a low-energy-consumption and uniform-heat-conduction grinding material calcining device, which comprises a cylindrical rotary furnace body, wherein one end of the rotary furnace body is a feeding hole, the other end of the rotary furnace body is a discharging hole, the feeding hole is connected with a feeding mechanism, an ignition mechanism is arranged at the position corresponding to the discharging hole, and a refractory material layer is arranged on the inner wall of the rotary furnace body; a rotating mechanism and a supporting mechanism are arranged outside the rotary furnace body;
the rotary furnace body is obliquely arranged, and one end of the feed inlet is higher than one end of the discharge outlet; the feeding mechanism comprises a feeding cylinder, the top of the feeding cylinder is connected with the material conveyor through a feeding pipe, a connecting port is arranged on the side wall of the feeding cylinder, which corresponds to the feeding port, a flexible connecting cylinder is arranged between the connecting port and the feeding port, the flexible connecting cylinder is formed by a plurality of flexible steel plates in a surrounding mode, parts of the adjacent flexible steel plates are overlapped, one end of each flexible steel plate is fixed on the outer wall of the connecting port, the other end of each flexible steel plate surrounds the outer wall of the feeding port of the rotary furnace body, and the outer wall of the feeding port is attached to the inner wall of the flexible connecting cylinder; when the rotary furnace body rotates, the feeding hole rotates in the flexible connecting cylinder, so that the corundum abrasive to be treated falls into the feeding cylinder from the feeding pipe and enters the rotary furnace body through the flexible connecting cylinder;
the position of a connecting opening of the feeding cylinder is higher than the height of a feeding hole of the rotary furnace body.
In the technical scheme, the rotary furnace body is driven by the rotating mechanism to rotate, ignited natural gas is sprayed into the rotary furnace body from one end of the discharge port by the ignition mechanism in the rotating process, the temperature of the furnace body is continuously increased, when the temperature in the furnace body is increased to a required temperature, corundum abrasive to be treated enters the furnace body from one end of the feed port, dispersed abrasive particles rotate in the furnace body under the rotating action of the furnace body, rapid and uniform temperature rise is realized, the rotary furnace body is gradually inclined downwards towards one end of the discharge port, so that the abrasive overturns and flows from one end of the feed port to one end of the discharge port, calcination is completed in the flowing process, and the abrasive flows out from one end of the discharge port and falls into a cooling device below. When feeding is carried out, dispersed particle grinding materials enter the feeding cylinder through the conveyor and the feeding pipe and then enter the rotary furnace body through the flexible connecting cylinder, wherein the flexible connecting cylinder is formed by surrounding a plurality of flexible steel plates, and the adjacent flexible steel plates are partially overlapped and stacked, so that the grinding materials cannot be scattered out from gaps when passing through the flexible connecting cylinder; the connecting port of the feeding cylinder is rotatably connected with the feeding hole of the rotary furnace body, one end of the flexible steel plate is fixed at the connecting port, the other end of the flexible steel plate surrounds the outer wall of the feeding hole, and the flexible steel plate and the feeding hole are adhered together but not fixed, so that the feeding hole can rotate in the flexible connecting cylinder, and the rotary furnace body does not influence feeding while rotating; the flexible connecting cylinder has certain elasticity, so that the connecting cylinder cannot be damaged when the rotary furnace body rotates.
Preferably, a steel wire rope is wound outside the flexible connecting cylinder, and two ends of the steel wire rope droop and are bound with balancing weights. Wire rope and balancing weight play the fixed action to the flexonics section of thick bamboo for stable connection between connector and the feed inlet can avoid the flexonics board to produce and warp, cause and spill the material, but can not influence the elasticity of flexonics section of thick bamboo again, does not influence the rotation of feed inlet in the flexonics section of thick bamboo.
Preferably, the rotating mechanism comprises a gear ring arranged in the middle of the outer wall of the rotary furnace body, a driving motor arranged outside the rotary furnace body and a driving gear connected with an output shaft of the driving motor, and the driving gear is meshed with the gear ring. The driving gear is driven to rotate by the driving motor, and then the rotary furnace body is driven to rotate by the gear ring.
Preferably, an annular mounting space is reserved between the gear ring and the rotary furnace body, and oblique fixing plates are arranged in the mounting space at equal intervals, so that the gear ring is fixedly connected with the outer wall of the rotary furnace body; the inclination angles of the fixed plates are the same. The installation mode enables the gear ring and the rotary furnace body to be fixed more firmly.
Preferably, the two groups of supporting mechanisms are respectively arranged on two sides of the rotating mechanism and comprise annular supporting rings arranged on the outer wall of the rotary furnace body, a supporting table is arranged below the supporting rings, and supporting rollers are respectively arranged on two sides of the supporting table to realize rolling support of the supporting rings. And supports are arranged on two sides of the supporting roll, and a rotating shaft of the supporting roll is rotatably arranged on the supports. When the rotary furnace body rotates through the rotation of the bracket, the annular support ring rotates along with the rotation of the bracket, and the supporting roller at the lower part also rotates along with the annular support ring, so that the rotary furnace body is supported in a rotating way.
Preferably, the support ring clamp is fixed on the outer wall of the rotary furnace body, and the circumferences of the two sides of the support ring on the outer wall of the rotary furnace body are respectively provided with limiting blocks at equal intervals. The limiting block plays a role in limiting the front and back movement of the support ring, and front and back deviation and looseness of the support ring in the rotation process along with the furnace body are avoided.
Preferably, the front side and the rear side of the support ring on the support platform are respectively provided with a limiting wheel, the wheel shaft of the limiting wheel is vertically arranged and is rotatably connected to the support platform, the edge of the limiting wheel is tightly attached to the side edge of the bottom of the support ring, and the limiting wheel rotates along with the support ring when the support ring rotates along with the rotary furnace body. When the support ring rotates along with the rotary furnace body, the limit wheels on two sides are driven to rotate along with the rotary furnace body, and the support ring can be prevented from moving back and forth along the rotary furnace body by arranging the limit wheels, so that the effect of stable support is achieved.
Preferably, the height of the support platform close to the discharge port is lower than that of the support platform close to the feed port.
The beneficial effects of the utility model reside in that:
the utility model can carry out rotary calcination on dispersed abrasive particles through the rotary furnace body, the abrasive material overturns and flows in the rotary furnace body, the temperature can be rapidly and uniformly raised, the calcination time of the corundum abrasive material can be greatly shortened, the calcination time is shortened to be less than ten minutes from the prior hours, the energy consumption can be effectively saved, and the production efficiency can be improved; the caking of the grinding material in the calcining process can be avoided, further crushing is not needed, and the product quality of the grinding material is ensured; by arranging the flexible connecting cylinder, feeding can be realized in the rotary process of the furnace body, so that continuous and stable feeding is ensured, and the production efficiency is improved; through setting up rotary mechanism and supporting mechanism, can guarantee the stable rotation of rotary furnace body.
Drawings
FIG. 1 is a schematic structural view of the abrasive calcining apparatus with low energy consumption and uniform heat conduction;
FIG. 2 is a side schematic view of the support mechanism;
FIG. 3 is a schematic view of the arrangement of the supporting rollers and the limiting wheels;
FIG. 4 is a side schematic view of the rotary mechanism;
FIG. 5 is an enlarged view of a portion of the flexible connector barrel;
reference numbers in the figures: 1, revolving furnace body, 2, feeding hole, 3, discharging hole, 4, ignition mechanism and 5, refractory material layer; the device comprises a feeding barrel 6, a feeding pipe 7, a flexible connecting barrel 8, a flexible steel plate 9, a steel wire rope 10, a balancing weight 11, a gear ring 12, a driving motor 13, a driving gear 14, a fixing plate 15, a support ring 16, a support table 17, a support roller 18, a limiting wheel 19 and a limiting block 20.
Detailed Description
The following examples are provided only for illustrating the embodiments of the present invention in detail and are not intended to limit the scope of the present invention in any way.
Example 1: a low-energy-consumption and uniform-heat-conduction grinding material calcining device is disclosed, and comprises a cylindrical rotary furnace body 1, wherein one end of the rotary furnace body 1 is provided with a feed inlet 2, the other end of the rotary furnace body is provided with a discharge outlet 3, the feed inlet 2 is connected with a feeding mechanism, an ignition mechanism 4 is arranged at the position corresponding to the discharge outlet 3, and the inner wall of the rotary furnace body 1 is provided with a refractory material layer 5; a rotating mechanism and a supporting mechanism are arranged outside the rotary furnace body 1.
The rotary furnace body 1 is obliquely arranged, and one end of the feed inlet 2 is higher than one end of the discharge outlet 3; the feeding mechanism comprises a feeding barrel 6, the top of the feeding barrel 6 is connected with the material conveyor through a feeding pipe 7, a connecting port is arranged on the side wall of the feeding barrel 6, which corresponds to the feeding port 2, a flexible connecting barrel 8 is arranged between the connecting port and the feeding port 2, the flexible connecting barrel 8 is formed by a plurality of flexible steel plates 9 in a surrounding mode, parts of the adjacent flexible steel plates 9 are overlapped, one end of each flexible steel plate 9 is fixed on the outer wall of the connecting port, the other end of each flexible steel plate 9 surrounds the outer wall of the feeding port 2 of the rotary furnace body, and the outer wall of the feeding port 2 is attached to the inner wall of the flexible connecting barrel 8; when the rotary furnace body 1 rotates, one end of the feeding hole 2 rotates in the flexible connecting cylinder, so that corundum abrasive to be treated falls into the feeding cylinder 6 from the feeding pipe 7 and enters into the rotary furnace body through the flexible connecting cylinder 8, and feeding while rotating is achieved. A steel wire rope 10 is wound outside the flexible connecting cylinder 8, and two ends of the steel wire rope 10 droop and are bound with balancing weights 11.
The position of a connecting opening of the feeding cylinder 6 is slightly higher than the height of the feeding hole 2 of the rotary furnace body, so that the grinding materials can move to the feeding hole more smoothly.
The rotating mechanism comprises a gear ring 12 arranged in the middle of the outer wall of the rotary furnace body 1, a driving motor 13 arranged outside the rotary furnace body 1 and a driving gear 14 connected with an output shaft of the driving motor 13, wherein the driving gear 14 is meshed with the gear ring 12. An annular installation space is reserved between the gear ring 12 and the rotary furnace body 1, and oblique fixing plates 15 are arranged in the installation space at equal intervals, so that the gear ring 12 is fixedly connected with the outer wall of the rotary furnace body 1; the inclination angles of the fixed plates 15 are the same.
The two groups of supporting mechanisms are respectively arranged on two sides of the rotating mechanism and comprise annular supporting rings 16 arranged on the outer wall of the rotating furnace body 1, a supporting table 17 is arranged below the supporting rings 16, supporting rollers 18 are respectively arranged on two sides of the supporting table 17, and the supporting rollers 18 are attached to the outer wall of the supporting rings 16 to realize rolling support of the supporting rings 16. The height of the support base 17 on the side close to the discharge port 3 is lower than the height of the support base 17 on the side close to the feed port 2.
Example 2: the difference between the grinding material calcining device with low energy consumption and uniform heat conduction and the embodiment 1 is that a support ring 16 is fixed on the outer wall of a rotary furnace body 1 in a clamping mode, and limiting blocks 20 are arranged on the outer wall of the rotary furnace body 1 on the circumferences of two sides of the support ring 16 at equal intervals respectively to prevent the support ring 16 from shifting and loosening forwards and backwards when rotating along with the furnace body. Limiting wheels 19 are respectively arranged on the supporting platform 17 and positioned on the front side and the rear side of the supporting ring 16, a wheel shaft of each limiting wheel 19 is vertically arranged and is rotatably connected to the supporting platform 17, the edge of each limiting wheel 19 is tightly attached to the side edge of the bottom of the supporting ring 16, and when the supporting ring 16 rotates along with the rotary furnace body, the limiting wheels 19 rotate along with the supporting ring 16, so that the supporting ring is limited, and the supporting ring is prevented from moving forwards and backwards and deviating from a supporting mechanism in the rotating process.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified.
The utility model discloses the specific working method of low energy consumption, the even abrasive material calcining device of heat conduction does: the driving motor drives the driving gear to rotate, the rotary furnace body is driven to rotate through the gear ring, and the ignition mechanism sprays ignited natural gas into the rotary furnace body from one end of the discharge port to enable the interior of the rotary furnace body to be heated to a required temperature; the corundum abrasive to be treated enters a feeding pipe through a conveyor (such as a spiral conveyor), then falls into a feeding cylinder, enters a rotary furnace body through a flexible connecting cylinder, the rotary furnace body rotates, so that the abrasive turns over in the furnace body and flows towards a discharge port, calcination is realized in the flowing process, and the calcined abrasive flows out of the discharge port and falls into a cooling device below the discharge port to perform subsequent cooling treatment.
The utility model has the advantages of the piece heaies up, heat conduction is even, the energy consumption is low, can carry out the gyration to the corundum abrasive material of dispersed state and calcine, need not place the abrasive material in the container again and calcine for the abrasive material can be quick, evenly heat up, can shorten calcination time by several hours to about ten minutes, reduced the energy consumption by a wide margin, improved production efficiency.
The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the above embodiments, and can be modified or changed within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. A low-energy-consumption and uniform-heat-conduction grinding material calcining device comprises a cylindrical rotary furnace body, wherein one end of the rotary furnace body is provided with a feed inlet, the other end of the rotary furnace body is provided with a discharge outlet, the feed inlet is connected with a feed mechanism, and an ignition mechanism is arranged at the position corresponding to the discharge outlet; a rotating mechanism and a supporting mechanism are arranged outside the rotary furnace body,
the rotary furnace body is obliquely arranged, and one end of the feed inlet is higher than one end of the discharge outlet; the feeding mechanism comprises a feeding cylinder, the top of the feeding cylinder is connected with the material conveyor through a feeding pipe, a connecting port is arranged on the side wall of the feeding cylinder, which corresponds to the feeding port, a flexible connecting cylinder is arranged between the connecting port and the feeding port, the flexible connecting cylinder is formed by a plurality of flexible steel plates in a surrounding mode, parts of the adjacent flexible steel plates are overlapped, one end of each flexible steel plate is fixed on the outer wall of the connecting port, the other end of each flexible steel plate surrounds the outer wall of the feeding port of the rotary furnace body, and the outer wall of the feeding port is attached to the inner wall of the flexible connecting cylinder; when the rotary furnace body rotates, the feeding hole rotates in the flexible connecting cylinder, so that the corundum abrasive to be treated falls into the feeding cylinder from the feeding pipe and enters the rotary furnace body through the flexible connecting cylinder;
the position of a connecting opening of the feeding cylinder is higher than the height of a feeding hole of the rotary furnace body.
2. The low-energy-consumption uniform-heat-conduction grinding material calcining device as claimed in claim 1, wherein a steel wire rope is wound outside the flexible connecting cylinder, and two ends of the steel wire rope droop and are bound with balancing weights.
3. The apparatus for calcining grinding materials with low energy consumption and uniform heat conduction as claimed in claim 1, wherein the rotating mechanism comprises a gear ring arranged in the middle of the outer wall of the rotary furnace body, a driving motor arranged outside the rotary furnace body, and a driving gear connected with an output shaft of the driving motor, wherein the driving gear is meshed with the gear ring.
4. The low-energy-consumption uniform-heat-conduction grinding material calcining device as claimed in claim 3, wherein an annular mounting space is reserved between the gear ring and the rotary furnace body, and oblique fixing plates are equidistantly arranged in the mounting space so as to realize fixed connection between the gear ring and the outer wall of the rotary furnace body; the inclination angles of the fixed plates are the same.
5. The apparatus for calcining abrasives with low energy consumption and uniform heat conduction as claimed in claim 3, wherein the supporting mechanisms are provided in two groups, which are respectively disposed on two sides of the rotating mechanism, and comprise annular supporting rings disposed on the outer wall of the rotary furnace body, a supporting table is disposed below the supporting rings, and supporting rollers are respectively disposed on two sides of the supporting table to realize rolling support of the supporting rings.
6. The apparatus for calcining abrasive materials with low energy consumption and uniform heat conduction according to claim 5, wherein the support ring clamp is fixed on the outer wall of the rotary furnace body, and the circumference of the outer wall of the rotary furnace body at both sides of the support ring is respectively provided with a spacing block at equal intervals.
7. The apparatus of claim 6, wherein the support platform is provided with a pair of limiting wheels at the front and rear sides of the support ring, the wheels of the limiting wheels are vertically and rotatably connected to the support platform, the edges of the limiting wheels are closely attached to the bottom side of the support ring, and the support ring rotates along with the rotary furnace body, so that the limiting wheels rotate along with the support ring.
8. The apparatus for calcining abrasive materials with low energy consumption and uniform heat conduction as claimed in claim 5, wherein the height of the supporting platform near the discharge port is lower than that near the feed port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918097.XU CN215002853U (en) | 2021-04-30 | 2021-04-30 | Low-energy-consumption and uniform-heat-conduction grinding material calcining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918097.XU CN215002853U (en) | 2021-04-30 | 2021-04-30 | Low-energy-consumption and uniform-heat-conduction grinding material calcining device |
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| Publication Number | Publication Date |
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| CN215002853U true CN215002853U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120918097.XU Active CN215002853U (en) | 2021-04-30 | 2021-04-30 | Low-energy-consumption and uniform-heat-conduction grinding material calcining device |
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| CN (1) | CN215002853U (en) |
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2021
- 2021-04-30 CN CN202120918097.XU patent/CN215002853U/en active Active
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