CN111023703A - High-efficiency energy-saving fluidized calcining machine - Google Patents
High-efficiency energy-saving fluidized calcining machine Download PDFInfo
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- CN111023703A CN111023703A CN201911174598.5A CN201911174598A CN111023703A CN 111023703 A CN111023703 A CN 111023703A CN 201911174598 A CN201911174598 A CN 201911174598A CN 111023703 A CN111023703 A CN 111023703A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/082—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed arrangements of devices for distributing fluidising gas, e.g. grids, nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of fluidized beds, and particularly discloses a high-efficiency energy-saving fluidized calcining machine which comprises a shell and a perforated plate type gas distributor, wherein a gas outlet is formed in the middle position of the top of the shell, a feed inlet is formed in the top of the shell at the side edge of the gas outlet, a gas inlet is formed in the bottom of the shell, a discharge outlet is formed in the side edge of the bottom of the shell, the perforated plate type gas distributor is arranged in the shell and positioned at the bottom of the discharge outlet, and gas flow distribution holes are uniformly formed in the perforated plate type gas; the filter screen is fixedly arranged at the top in the shell below the air outlet, the rotating shaft is rotatably arranged in the middle of the inner part of the shell, and the plurality of fan blades are fixedly arranged on the rotating shaft. The raw materials enter from the feed inlet and fall on the rotating fan blades, and the raw materials are scattered by the rotation of the fan blades, so that the raw materials are prevented from being agglomerated, the solid-gas contact area is increased, and the drying is more sufficient. The invention has the advantages that: simple structure, drying is abundant, and energy utilization is rateed highly, and gas flow is smooth and easy, the facilitate promotion is implemented.
Description
Technical Field
The invention relates to the technical field of fluidized beds, in particular to a high-efficiency energy-saving fluidized calcining machine.
Background
In modern industries, where drying is required for many product productions, fluidized beds are common drying devices for granular products. Fluidized bed mainly used carries out the drying to the material, need use air-blower conveying gas during the use, and gas admits air to this internal to the fluidized bed through the intake pipe from on the fluidized bed, carries out the drying to the material, and fluidized bed among the prior art is inefficient, and must send into the hot-air and produce the vortex in the fluidized bed storehouse, just can make the dry material be in fluidized state and can get the drying.
Chinese patent (publication No. CN 107192285A, publication No. 2017.09.22) discloses a high-efficiency energy-saving fluidized bed based on a pillow-shaped heat exchange plate structure, which comprises: orifice plate formula gas distributor, fluidized bed main part, air inlet, gas vent, feed inlet and discharge gate, feed inlet and gas vent set up the top in the fluidized bed main part respectively, the discharge gate sets up in fluidized bed main part lower part one side, the air inlet sets up the bottom in the fluidized bed main part, the top of orifice plate formula gas distributor setting air inlet in the fluidized bed main part, evenly be provided with the air current distribution hole on the orifice plate formula gas distributor, be provided with the heat exchange plate group that is located the gas vent below in the fluidized bed main part, the fluidized bed main part outside is provided with and extends to inside and the first heat transfer medium import and the first heat transfer medium export that is linked together with heat exchange plate group. In the manner described above. The device raw materials are imported from the feed inlet, and the raw materials containing moisture are easy to agglomerate, so that the raw materials in the device cannot be sufficiently dried, and the device is inconvenient to popularize and implement.
Disclosure of Invention
The invention aims to provide an efficient and energy-saving fluidized calcining machine to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an energy-efficient fluidization calcining machine, includes casing and orifice plate formula gas distributor, and the gas outlet has been seted up to the top intermediate position of casing, and the feed inlet has been seted up at the casing top to the side of gas outlet, and the raw materials that need the heating get into inside the casing from the feed inlet. And the gas after heat exchange is discharged from the gas outlet. The bottom of the shell is provided with an air inlet, and hot air enters the shell from the air inlet. The discharge gate has been seted up to the bottom side of casing, and the casing is discharged from the discharge gate to the raw materials after the drying. The orifice plate type gas distributor is arranged in the shell and at the bottom of the discharge port, and the orifice plate type gas distributor is uniformly provided with gas flow distribution holes, so that the orifice plate type gas distributor has the functions of uniformly distributing gas flow and reducing pressure drop, a fluidized bed has a good initial fluidized state, and dead angles are avoided.
The filter screen is fixedly arranged at the top in the shell below the air outlet, and the arrangement of the filter screen avoids the discharge of raw material particles from the air outlet along with air flow, thereby avoiding the loss of raw materials. The inside intermediate position of casing rotates and is provided with the axis of rotation, the fixed a plurality of flabellums that are provided with in the axis of rotation, and the inside air current of casing makes the flabellum rotate from up vertical flow down, air current to make the axis of rotation rotate, inside the raw materials enters into the casing from the feed inlet, falls on the pivoted flabellum, and the flabellum rotates and breaks up the raw materials, has avoided the raw materials to reunite, thereby has increased solid gas area of contact, makes the drying more abundant.
As a further scheme of the invention: the inner wall of the shell is fixedly provided with a plurality of material receiving ring plates, a plurality of blanking holes are formed in the material receiving ring plates, and raw materials scattered by the fan blades fall on the material receiving ring plates and can fall from the blanking holes.
As a further scheme of the invention: the material receiving ring plate is made of heat conducting materials, so that heat can be conveniently transferred.
As a further scheme of the invention: the heat conducting material is one of aluminum and aluminum-copper alloy.
As a further scheme of the invention: connect the material circle board to be the structure of inside undercut to the whereabouts of the raw materials of being convenient for has reduced raw materials whereabouts speed, and has slowed down hot-air's flow velocity, thereby makes the heat transfer more abundant, has improved drying efficiency, has improved the utilization ratio of energy.
As a further scheme of the invention: the fixed brush that is provided with in top of axis of rotation, brush and the contact of filter screen bottom, the brush rotates along with the axis of rotation to remove the granule of adhesion at the filter screen lower surface, guaranteed filterable smoothness nature.
As a further scheme of the invention: the bottom of axis of rotation is fixed to be provided with dials the material device, dials the material device and helps the discharge of raw materials on the orifice plate formula gas distributor.
As a further scheme of the invention: the material stirring device comprises a fixing ring and a material stirring blade, the fixing ring is fixed on the rotating shaft, the material stirring blade is of an arc-shaped structure, the inner end of the material stirring blade is fixed on the fixing ring, and the outer end of the material stirring blade is in contact with the inner side wall of the bottom of the shell. The material stirring blade rotates to stir the raw materials into the discharge hole from the orifice plate type gas distributor, so that the raw materials are convenient to discharge. Avoiding the accumulation of raw materials and the existence of drying dead angles.
As a further scheme of the invention: the top intercommunication of feed inlet has feed arrangement, and feed arrangement's setting has avoided the air to discharge from the feed inlet, makes feed rate controllable simultaneously, has improved drying quality.
As a further scheme of the invention: the feeding device comprises a feeding shell and a feeding pipe, the feeding pipe is communicated with the feeding inlet, the edge portion of the feeding pipe is fixedly communicated with the feeding shell with a hemispherical surface structure, the feeding pipe and the feeding shell are internally and rotatably provided with a rotating roller, the side wall of the rotating roller is uniformly and fixedly provided with a plurality of rotating blades, and the rotating blades are in sealing contact with the inner side wall of the feeding shell and the inner side wall of the feeding pipe. The fixed fixing base that is provided with of lateral wall of inlet pipe, install the motor on the fixing base, the output shaft and the coaxial fixed connection of live-rollers of motor. Under the drive of the first motor, the rotating roller drives the rotating blades to rotate inside the feeding shell and the feeding pipe, so that the raw materials are conveyed.
Compared with the prior art, the invention has the beneficial effects that: the raw materials enter the shell from the feed inlet and fall on the rotating fan blades, and the raw materials are scattered by the rotation of the fan blades, so that the raw materials are prevented from being agglomerated, the solid-gas contact area is increased, and the drying is more sufficient. Connect the material circle board to be the structure of inside undercut to the whereabouts of the raw materials of being convenient for has reduced raw materials whereabouts speed, has slowed down hot-air's flow velocity, thereby makes the heat transfer more abundant, has improved drying efficiency, has improved the utilization ratio of energy. The brush rotates along with the rotating shaft, so that particles adhered to the lower surface of the filter screen are swept away, and filtering fluency is guaranteed. The material stirring blade rotates to stir the raw materials into the discharge hole from the orifice plate type gas distributor, so that the raw materials are convenient to discharge. Avoiding the accumulation of raw materials and the existence of drying dead angles. The invention has the advantages that: simple structure, drying is abundant, and energy utilization is rateed highly, and gas flow is smooth and easy, the facilitate promotion is implemented.
Drawings
Fig. 1 is a schematic perspective view of an energy-efficient fluidized calciner in example 1.
Fig. 2 is a schematic diagram of the internal structure of a high-efficiency energy-saving fluidized calcining machine.
Fig. 3 is a schematic structural diagram of a material stirring device in a high-efficiency energy-saving fluidized calcining machine.
Fig. 4 is a schematic structural view of an energy efficient fluidized calciner of example 2.
Fig. 5 is a schematic structural diagram of a feeding device in a high-efficiency energy-saving fluidized calcining machine.
In the figure, a shell 1, a feeding hole 2, a gas outlet 3, a gas inlet 4, a discharging hole 5, a filter screen 6, a brush 7, a receiving ring plate 8, a rotating shaft 9, a material stirring device 10, a hole plate type gas distributor 11, a blanking hole 12, fan blades 13, a fixing ring 14, a material stirring blade 15, a feeding device 16, a feeding pipe 17, a feeding shell 18, a motor 19, a fixing seat 20, a rotating roller 21 and a rotating blade 22.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, an energy-efficient fluidized calcining machine comprises a casing 1 and a perforated plate type gas distributor 11, wherein a gas outlet 3 is formed in the middle of the top of the casing 1, a feed inlet 2 is formed in the top of the casing 1 on the side edge of the gas outlet 3, and raw materials to be heated enter the casing 1 from the feed inlet 2. The gas after heat exchange is discharged from the gas outlet 3. An air inlet 4 is formed at the bottom of the housing 1, and hot air enters the housing 1 from the air inlet 4. Discharge gate 5 has been seted up to the bottom side of casing 1, and the raw materials after the drying is discharged casing 1 from discharge gate 5. The orifice plate type gas distributor 11 is arranged in the shell 1 and at the bottom of the discharge port 5, and the orifice plate type gas distributor 11 is uniformly provided with gas flow distribution holes, so that the orifice plate type gas distributor has the functions of uniformly distributing gas flow and reducing pressure drop, a fluidized bed has a good initial fluidized state, and dead angles are avoided.
The fixed filter screen 6 that is provided with in 1 inside top of casing of below of gas outlet 3, the setting of filter screen 6 has avoided the raw materials granule to discharge from gas outlet 3 along with the air current, has avoided the raw materials loss. Casing 1's inside intermediate position rotates and is provided with axis of rotation 9, and the fixed a plurality of flabellum 13 that are provided with in the axis of rotation 9, and 1 inside air current of casing is from up vertical flow down, and the air current makes flabellum 13 rotate to make axis of rotation 9 rotate, inside the raw materials enters into casing 1 from feed inlet 2, falls on pivoted flabellum 13, and flabellum 13 rotates and breaks up the raw materials, has avoided the raw materials reunion, thereby has increased solid gas area of contact, makes the drying more abundant. The inner wall of the shell 1 is fixedly provided with a plurality of material receiving ring plates 8, a plurality of blanking holes 12 are formed in the material receiving ring plates 8, the material receiving ring plates 8 are made of heat conducting materials, and the heat conducting materials are aluminum or aluminum-copper alloys. The raw materials that flabellum 13 was broken up fall on connecing material circle board 8, can follow blanking hole 12 and fall down, connect material circle board 8 to the structure of inboard undercut to the whereabouts of the raw materials of being convenient for has reduced raw materials falling speed, and has slowed down hot-air's flow velocity, thereby makes the heat transfer more abundant, has improved drying efficiency, has improved the utilization ratio of energy. The fixed brush 7 that is provided with in top of axis of rotation 9, brush 7 and the contact of filter screen 6 bottom, brush 7 rotate along with axis of rotation 9 to remove the granule of adhesion at filter screen 6 lower surface, guaranteed filterable fluency. The bottom of the rotating shaft 9 is fixedly provided with a material stirring device 10, and the material stirring device 10 is used for facilitating the discharge of raw materials on the orifice plate type gas distributor 11. The material stirring device 10 comprises a fixing ring 14 and a material stirring blade 15, the fixing ring 14 is fixed on the rotating shaft 9, the material stirring blade 15 is of an arc-shaped structure, the inner end of the material stirring blade 15 is fixed on the fixing ring 14, and the outer end of the material stirring blade 15 is in contact with the inner side wall of the bottom of the shell 1. The material stirring blade 15 rotates to stir the raw materials from the orifice plate type gas distributor 11 to the inside of the discharge port 5, so that the raw materials are convenient to discharge. Avoiding the accumulation of raw materials and the existence of drying dead angles.
The working principle of the invention is as follows: the raw materials is sent into casing 1 from feed inlet 2 inside, and hot-air gets into casing 1 from air inlet 4, and the inside air current of casing 1 is from up vertical flow down, and the air current makes flabellum 13 rotate to make axis of rotation 9 rotate, the raw materials enters into casing 1 inside from feed inlet 2, falls on pivoted flabellum 13, and flabellum 13 rotates and breaks up the raw materials, has avoided the raw materials reunion, thereby has increased solid gas area of contact, makes the drying more abundant. The raw materials that flabellum 13 was broken up fall on connecing material circle board 8, can fall from feed inlet 2 to the whereabouts of the raw materials of being convenient for have reduced raw materials falling speed, and have slowed down hot-air's flow velocity, thereby make the heat of change more abundant, improved drying efficiency, improved the utilization ratio of energy. The brush 7 rotates along with the rotating shaft 9, so that particles adhered to the lower surface of the filter screen 6 are swept away, and filtering fluency is guaranteed. The material stirring blade 15 rotates to stir the raw materials from the orifice plate type gas distributor 11 to the inside of the discharge port 5, so that the raw materials are convenient to discharge.
Example 2
Referring to fig. 4-5, on the basis of embodiment 1, the top of the feeding port 2 is communicated with a feeding device 16, and the feeding device 16 prevents air from being discharged from the feeding port 2, and simultaneously, the feeding speed is controllable, and the drying quality is improved. The feeding device 16 comprises a feeding shell 18 and a feeding pipe 17, the feeding pipe 17 is communicated with the feeding port 2, the edge of the feeding pipe 17 is fixedly communicated with the feeding shell 18 with a hemispherical surface structure, the feeding pipe 17 and the feeding shell 18 are internally and rotatably provided with a rotating roller 21, the side wall of the rotating roller 21 is uniformly and fixedly provided with a plurality of rotating blades 22, and the rotating blades 22 are in sealing contact with the inner side wall of the feeding shell 18 and the feeding pipe 17. The outer side wall of the feeding pipe 17 is fixedly provided with a fixed seat 20, a motor 19 is installed on the fixed seat 20, and an output shaft of the motor 19 is coaxially and fixedly connected with a rotating roller 21. Under the driving of the motor 19, the rotating roller 21 drives the rotating blade 22 to rotate inside the feeding shell 18 and the feeding pipe 17, thereby completing the transportation of the raw materials.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An energy-efficient fluidization calcining machine comprises a shell (1) and a perforated plate type gas distributor (11), wherein a gas outlet (3) is formed in the middle position of the top of the shell (1), a feed inlet (2) is formed in the top of the shell (1) on the side edge of the gas outlet (3), a gas inlet (4) is formed in the bottom of the shell (1), and a discharge outlet (5) is formed in the side edge of the bottom of the shell (1), and is characterized in that the perforated plate type gas distributor (11) is arranged inside the shell (1) and is positioned at the bottom of the discharge outlet (5), and gas flow distribution holes are uniformly formed in the perforated plate type gas distributor (11);
a filter screen (6) is fixedly arranged at the top in the shell (1) below the air outlet (3), a rotating shaft (9) is rotatably arranged at the middle position in the shell (1), and a plurality of fan blades (13) are fixedly arranged on the rotating shaft (9).
2. An energy-efficient fluidized calcining machine according to claim 1, characterized in that a plurality of receiving ring plates (8) are fixedly arranged on the inner wall of the shell (1), and a plurality of blanking holes (12) are arranged on the receiving ring plates (8).
3. An efficient and energy-saving fluidized calcining machine according to claim 1, characterized in that the receiving ring plate (8) is made of heat conducting material.
4. An energy efficient fluidized calciner according to claim 3 wherein the heat conducting material is one of aluminium and aluminium copper alloy.
5. An energy efficient fluidized calciner according to claim 2 wherein the collector ring plate (8) is of a downwardly concave configuration.
6. An energy efficient fluidized calciner according to claim 1 characterized in that the top of the rotating shaft (9) is fixedly provided with the brush (7), and the brush (7) is contacted with the bottom of the filter screen (6).
7. An energy efficient fluidized calciner according to claim 1 characterized in that the lower part of the rotating shaft (9) is fixedly provided with the kick-off device (10).
8. An energy-efficient fluidized calcining machine according to claim 7, characterized in that the material-stirring device (10) comprises a fixed ring (14) and a material-stirring blade (15), the fixed ring (14) is fixed on the rotating shaft (9), the material-stirring blade (15) is of an arc structure, the inner end of the material-stirring blade (15) is fixed on the fixed ring (14), and the outer end of the material-stirring blade (15) is in contact with the inner side wall of the bottom of the shell (1).
9. An energy efficient fluidized calciner according to any one of claims 1 to 8 wherein the top of the feed inlet (2) is connected to a feed means (16).
10. The efficient energy-saving fluidizing calcining machine according to claim 9, wherein the feeding device (16) comprises a feeding shell (18) and a feeding pipe (17), the feeding pipe (17) is communicated with the feeding port (2), the feeding shell (18) with a hemispherical surface structure is fixedly communicated with the edge of the feeding pipe (17), rotating rollers (21) are rotatably arranged in the feeding pipe (17) and the feeding shell (18), a plurality of rotating blades (22) are uniformly and fixedly arranged on the side wall of the rotating rollers (21), the rotating blades (22) are in sealing contact with the inner side walls of the feeding shell (18) and the feeding pipe (17), a fixed seat (20) is fixedly arranged on the outer side wall of the feeding pipe (17), a motor (19) is mounted on the fixed seat (20), and an output shaft of the motor (19) is coaxially and fixedly connected with the rotating rollers (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911174598.5A CN111023703A (en) | 2019-11-26 | 2019-11-26 | High-efficiency energy-saving fluidized calcining machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911174598.5A CN111023703A (en) | 2019-11-26 | 2019-11-26 | High-efficiency energy-saving fluidized calcining machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6392192U (en) * | 1986-12-05 | 1988-06-15 | ||
| CN205825591U (en) * | 2016-05-30 | 2016-12-21 | 广西锦华新材料科技有限公司 | A kind of antiseized anti-blocking boiling-bed drying |
| CN206488592U (en) * | 2017-01-19 | 2017-09-12 | 遵义市第一人民医院 | A kind of Chinese medicinal material drying equipment for drying |
| CN207471917U (en) * | 2017-09-26 | 2018-06-08 | 高畅 | A kind of fluid bed drying device used in Chinese medicine production crushed using air stream drives |
| CN207831885U (en) * | 2018-01-26 | 2018-09-07 | 汪明新 | A kind of agricultural fertilizer drying unit |
| CN209068933U (en) * | 2018-11-14 | 2019-07-05 | 江西佳腾丰生物科技有限公司 | A kind of feed drying case |
-
2019
- 2019-11-26 CN CN201911174598.5A patent/CN111023703A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6392192U (en) * | 1986-12-05 | 1988-06-15 | ||
| CN205825591U (en) * | 2016-05-30 | 2016-12-21 | 广西锦华新材料科技有限公司 | A kind of antiseized anti-blocking boiling-bed drying |
| CN206488592U (en) * | 2017-01-19 | 2017-09-12 | 遵义市第一人民医院 | A kind of Chinese medicinal material drying equipment for drying |
| CN207471917U (en) * | 2017-09-26 | 2018-06-08 | 高畅 | A kind of fluid bed drying device used in Chinese medicine production crushed using air stream drives |
| CN207831885U (en) * | 2018-01-26 | 2018-09-07 | 汪明新 | A kind of agricultural fertilizer drying unit |
| CN209068933U (en) * | 2018-11-14 | 2019-07-05 | 江西佳腾丰生物科技有限公司 | A kind of feed drying case |
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