CN210441575U - Double-paddle dryer for nano calcium carbonate powder - Google Patents
Double-paddle dryer for nano calcium carbonate powder Download PDFInfo
- Publication number
- CN210441575U CN210441575U CN201920606364.2U CN201920606364U CN210441575U CN 210441575 U CN210441575 U CN 210441575U CN 201920606364 U CN201920606364 U CN 201920606364U CN 210441575 U CN210441575 U CN 210441575U
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- China
- Prior art keywords
- hollow
- steam
- calcium carbonate
- carbonate powder
- hollow stirring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 60
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 30
- 239000000843 powder Substances 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 41
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000011496 polyurethane foam Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 241000628997 Flos Species 0.000 claims 2
- 239000011521 glass Substances 0.000 claims 2
- 239000008187 granular material Substances 0.000 claims 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 230000008676 import Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a double-bladed desiccator for nanometer calcium carbonate powder, including the desiccator casing, two parallel arrangement's hollow mixing shaft, the polylith hollow blade of setting on hollow mixing shaft, it has hot steam's rotary joint to lead to, drive mechanism, the import of nanometer calcium carbonate powder, nanometer calcium carbonate powder export and support frame, hollow mixing shaft rotates the intracavity of installing at the casing, the casing comprises matched with last cap and lower casing, be equipped with the steam heating jacket on the outer wall of casing down, the polylith hollow blade on the hollow mixing shaft radially is the helix broken string form and arranges, be provided with the steam intake pipe along its axis in the hollow mixing shaft, be equipped with the steam conduit who accesss to each hollow blade inner chamber in the steam intake pipe. The device can discharge condensed water from two end parts of the hollow blade during the rotation of the hollow blade, thereby obviously improving the heating efficiency. The steam heating jacket of the lower shell of the dryer is additionally provided with the heat-preservation and sound-insulation outer cover, so that the heating efficiency of the dryer is improved, and the working noise is reduced.
Description
Technical Field
The utility model relates to a nanometer calcium carbonate powder drying equipment field, concretely relates to double-paddle dryer for nanometer calcium carbonate powder.
Background
At present, condensed water in the paddle of the existing paddle type dryer for nano calcium carbonate powder usually only has one condensed water discharge hole, the condensed water cannot be discharged in time, and the condensed water can be discharged from one hole only during the rotation of the paddle, so that the heating efficiency is not high enough. Simultaneously, the heating jacket of desiccator shell body also lacks the soundproof dustcoat of heat preservation, has more reduced nanometer calcium carbonate powder desiccator's heating efficiency.
Disclosure of Invention
The utility model aims at the current defect, and provides a double-blade dryer for nanometer calcium carbonate powder.
A double-paddle dryer for nano calcium carbonate powder comprises a dryer shell, two hollow stirring shafts arranged in parallel, a plurality of hollow paddles arranged on the hollow stirring shafts, a rotary joint communicated with hot steam, a transmission mechanism, a nano calcium carbonate powder inlet, a nano calcium carbonate powder outlet and a support frame, wherein the hollow stirring shafts are rotatably arranged in an inner cavity of the shell and are composed of an upper shell cover and a lower shell body which are matched with each other, a steam heating sleeve is arranged on the outer wall of the lower shell body, the plurality of hollow paddles on the hollow stirring shafts are radially arranged in a spiral line broken line shape, a steam inlet pipe is arranged in the hollow stirring shafts along the axis of the hollow stirring shafts, a steam guide pipe leading to the inner cavity of each hollow paddle is arranged on the steam inlet pipe, the outlet end of the steam guide pipe is close to the inner wall of the hollow paddles, and two end parts of the hollow stirring, the hollow stirring shaft is communicated with the inner cavity of the hollow blade;
the end part of the flow guide through hole, which is positioned in the inner cavity of the hollow stirring shaft, is fixedly connected with a backflow prevention pipe, two radial flow baffles are arranged in each hollow blade and positioned on the outer wall of the hollow stirring shaft, and one radial flow baffle is arranged between each two flow guide through holes and the steam guide pipe;
the inner wall of the lower shell is inwards protruded to form a plurality of groups of arc-shaped protrusions, and the length of each arc-shaped protrusion is the same as that of the lower shell; the outer surface of the steam heating sleeve is provided with a metal outer cover, a heat-insulating sound-insulating cavity is formed between the metal outer cover and the outer surface of the steam heating sleeve, a glass fiber cotton layer, a particle rubber layer, a charcoal fiber layer and a polyurethane foam layer are sequentially filled in the heat-insulating sound-insulating cavity from inside to outside, and the glass fiber cotton layer, the rubber particle layer, the charcoal fiber layer and the polyurethane foam layer are fixedly bonded through an adhesive.
The distance between the outlet end of the steam conduit and the inner wall of the hollow blade is 20-40 mm.
The height of the radial flow baffle is one fifth of that of the inner cavity of the hollow blade.
The hollow blades on the two hollow stirring shafts are arranged in an interpenetration manner, and the two hollow stirring shafts are driven by gears.
The utility model discloses the advantage of device: the drier for nano calcium carbonate powder of this device, the comdenstion water in the hollow blade is through on the hollow stirring shaft and establish two water conservancy diversion perforating holes that set up with the both ends of hollow blade junction, in time discharges the comdenstion water, and the comdenstion water can be followed hollow blade both ends discharge and is showing improvement heating efficiency during hollow blade rotates. Meanwhile, the outer cover for heat preservation and sound insulation is additionally arranged on the steam heating sleeve of the lower shell of the dryer, so that the heating efficiency of the nano calcium carbonate powder dryer is improved, and the working noise is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the interior of the dryer housing;
FIG. 3 is a schematic diagram of the construction of the steam heating jacket and the metal outer cover;
FIG. 4 is a schematic structural view of a hollow stirring shaft and hollow blades;
fig. 5 is a schematic structural view of the interior of the heat-insulating and sound-insulating cavity.
Detailed Description
As shown in the attached drawing, a double-paddle dryer for nano calcium carbonate powder comprises a dryer shell, two hollow stirring shafts 1 arranged in parallel, a plurality of hollow paddles 2 arranged on the hollow stirring shafts 1, a rotary joint 3 communicated with hot steam, a transmission mechanism, a nano calcium carbonate powder inlet 4, a nano calcium carbonate powder outlet 5 and a support frame, wherein the hollow stirring shafts 1 are rotatably arranged in an inner cavity of the shell and are composed of an upper shell cover 6 and a lower shell body 7 which are matched with each other, a steam heating sleeve 8 is arranged on the outer wall of the lower shell body 7, the plurality of hollow paddles 2 on the hollow stirring shafts 1 are radially arranged in a spiral line broken line shape, a steam inlet pipe 9 is arranged in the hollow stirring shafts 1 along the axis of the hollow stirring shafts, a steam conduit 10 communicated to the inner cavity of each hollow paddle 2 is arranged on the steam inlet pipe 9, and the outlet end of the steam conduit 10 is close to, two end parts of the hollow stirring shaft 1, which are connected with the hollow blades 2, are provided with a flow guide through hole 11, so that the hollow stirring shaft 1 is communicated with the inner cavities of the hollow blades 2;
the end part of the flow guide through hole 11 positioned in the inner cavity of the hollow stirring shaft 1 is fixedly connected with an anti-return pipe 12, two radial flow baffles 13 are arranged in each hollow blade 2 and positioned on the outer wall of the hollow stirring shaft 1, and one radial flow baffle 13 is arranged between each two flow guide through holes 11 and the steam guide pipe 10;
the inner wall of the lower shell 7 protrudes inwards to form a plurality of groups of arc-shaped protruding parts 14, and the length of each arc-shaped protruding part 14 is the same as that of the lower shell 7; the outer surface of the steam heating sleeve 8 is provided with a metal outer cover 15, a heat-insulating sound-insulating cavity 16 is formed between the metal outer cover 15 and the outer surface of the steam heating sleeve 8, a glass wool layer 17, a particle rubber layer 18, a charcoal fiber layer 19 and a polyurethane foam layer 20 are sequentially filled in the heat-insulating sound-insulating cavity 16 from inside to outside, and the glass wool layer 17, the particle rubber layer 18, the charcoal fiber layer 19 and the polyurethane foam layer 20 are fixedly bonded through an adhesive.
The distance between the outlet end of the steam conduit 10 and the inner wall of the hollow blade 2 is 20-40 mm.
The height of the radial flow baffle 12 is one fifth of the height of the inner cavity of the hollow blade 2.
The hollow blades 2 on the two hollow stirring shafts 1 are arranged in an interpenetration mode, and the two hollow stirring shafts 1 are in transmission through gears.
The working mode principle is as follows: firstly introducing high-temperature steam into the hollow stirring shaft 1 and the steam heating sleeve 8, then adding nano calcium carbonate powder to be dried from the nano calcium carbonate powder inlet 4, starting a driving device of the dryer to drive the two hollow stirring shafts 1 to rotate through a transmission mechanism, and discharging the dried nano calcium carbonate powder from the nano calcium carbonate powder outlet 5. This device be used for the desiccator of nanometer calcium carbonate powder, the comdenstion water in the hollow blade 2 is established two water conservancy diversion perforating holes 11 that set up through hollow stirring shaft 1 on with the both ends of hollow blade 2 junction and is in time discharged the comdenstion water, and the comdenstion water can be followed the 2 both ends of hollow blade and discharged and is showing improvement heating efficiency during hollow blade 2 rotates. Meanwhile, the steam heating jacket 8 of the lower shell 7 of the dryer is additionally provided with the heat-preservation and sound-insulation metal outer cover 15, so that the heating efficiency of the nano calcium carbonate powder dryer is improved, and the working noise is reduced.
Claims (4)
1. A double-paddle dryer for nano calcium carbonate powder comprises a dryer shell, two hollow stirring shafts (1) arranged in parallel, a plurality of hollow paddles (2) arranged on the hollow stirring shafts (1), a rotary joint (3) communicated with hot steam, a transmission mechanism, a nano calcium carbonate powder inlet (4), a nano calcium carbonate powder outlet (5) and a support frame, wherein the hollow stirring shafts (1) are rotatably arranged in an inner cavity of the shell, the shell consists of an upper shell cover (6) and a lower shell body (7) which are matched with each other, a steam heating sleeve (8) is arranged on the outer wall of the lower shell body (7), the plurality of hollow paddles (2) on the hollow stirring shafts (1) are radially arranged in a spiral line broken line shape, the double-paddle dryer is characterized in that a steam inlet pipe (9) is arranged in the hollow stirring shafts (1) along the axis of the hollow stirring shafts, and a steam conduit (10) leading to the inner cavity of each hollow paddle (2) is, the outlet end of the steam conduit (10) is close to the inner wall of the hollow blade (2), and two end parts of the joint of the hollow stirring shaft (1) and the hollow blade (2) are respectively provided with a flow guide through hole (11), so that the hollow stirring shaft (1) is communicated with the inner cavity of the hollow blade (2);
the end part of the flow guide through hole (11) positioned in the inner cavity of the hollow stirring shaft (1) is fixedly connected with an anti-return pipe (12), two radial flow baffle plates (13) are arranged in each hollow blade (2) and on the outer wall of the hollow stirring shaft (1), and one radial flow baffle plate (13) is arranged between each two flow guide through holes (11) and the steam guide pipe (10);
the inner wall of the lower shell (7) protrudes inwards to form a plurality of groups of arc-shaped protruding parts (14), and the length of each arc-shaped protruding part (14) is the same as that of the lower shell (7); the surface of steam heating cover (8) is equipped with metal dustcoat (15), forms heat preservation sound insulation chamber (16) between the surface of metal dustcoat (15) and steam heating cover (8), from inside to outside pack in heat preservation sound insulation chamber (16) in proper order has glass silk floss layer (17), granule rubber layer (18), charcoal fiber layer (19) and polyurethane foam layer (20), it is fixed through the adhesive bonding between in glass silk floss layer (17), granule rubber layer (18), charcoal fiber layer (19) and the polyurethane foam layer (20).
2. The double-paddle dryer for nano calcium carbonate powder as claimed in claim 1, characterized in that the distance between the outlet end of the steam conduit (10) and the inner wall of the hollow blade (2) is 20-40 mm.
3. The double-paddle dryer for nano calcium carbonate powder according to claim 1 is characterized in that the height of the radial baffle plate (13) is one fifth of the height of the inner cavity of the hollow blade (2).
4. The double-paddle dryer for nano calcium carbonate powder as claimed in claim 1, wherein the hollow paddles (2) on the two hollow stirring shafts (1) are arranged in a mutually-inserted manner, and the two hollow stirring shafts (1) are driven by a gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920606364.2U CN210441575U (en) | 2019-04-29 | 2019-04-29 | Double-paddle dryer for nano calcium carbonate powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920606364.2U CN210441575U (en) | 2019-04-29 | 2019-04-29 | Double-paddle dryer for nano calcium carbonate powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210441575U true CN210441575U (en) | 2020-05-01 |
Family
ID=70401364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920606364.2U Expired - Fee Related CN210441575U (en) | 2019-04-29 | 2019-04-29 | Double-paddle dryer for nano calcium carbonate powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210441575U (en) |
-
2019
- 2019-04-29 CN CN201920606364.2U patent/CN210441575U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 |