CN210374319U - Tunnel type dryer for heat-conducting silica gel - Google Patents
Tunnel type dryer for heat-conducting silica gel Download PDFInfo
- Publication number
- CN210374319U CN210374319U CN201921347124.1U CN201921347124U CN210374319U CN 210374319 U CN210374319 U CN 210374319U CN 201921347124 U CN201921347124 U CN 201921347124U CN 210374319 U CN210374319 U CN 210374319U
- Authority
- CN
- China
- Prior art keywords
- drying cavity
- silica gel
- tunnel
- shell
- drying
- Prior art date
- 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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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000000741 silica gel Substances 0.000 title claims abstract description 23
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000003230 hygroscopic agent Substances 0.000 claims 2
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a tunnel type drying-machine for heat conduction silica gel, including the frame, be located frame top tunnel oven and the conveyer belt that the tunnel oven was worn out to the level, the one end of tunnel oven is provided with the feed inlet, and the other end is equipped with the discharge gate. The tunnel oven comprises a shell, a drying cavity, a heating device and a circulating air device, the drying cavity is arranged inside the shell, the heating device comprises an infrared heating tube arranged at the upper end of the drying cavity, the circulating air device comprises a circulating fan fixed on the shell, the circulating fan is communicated with the drying cavity through an exhaust pipe, the exhaust fan is further connected with a return air pipe used for returning heat to the drying cavity, a dehumidifying device is arranged in the return air pipe, the return air pipe is communicated with a return air inlet on the drying cavity, a leaf swinging device swinging back and forth along the transmission direction of a conveyor belt is arranged at the position of the return air inlet, and the leaf swinging device is positioned between the infrared heating tube and the top end. And a circulating air device is added, so that the drying efficiency is improved.
Description
Technical Field
The utility model relates to a heat conduction silica gel processingequipment, in particular to tunnel type drying-machine for heat conduction silica gel.
Background
Silica gel, also known as silicic acid gel, is a high-activity adsorption material and belongs to an amorphous substance, and the main component of the silica gel is silicon dioxide, so that the silica gel is stable in chemical property and does not burn. In the production process of the heat-conducting silica gel, a plurality of steps are needed, the heat-conducting silica gel needs to be dried before being rolled, the existing tunnel type dryer adopts infrared drying, obvious temperature gradient exists, and drying efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a tunnel type dryer with high drying efficiency for heat-conducting silica gel production.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a tunnel type drying-machine for heat conduction silica gel, includes the frame, is located rack top tunnel oven and level are worn out the conveyer belt of tunnel oven, the one end of tunnel oven is provided with the feed inlet, and the other end is equipped with discharge gate, its characterized in that: the tunnel oven comprises a shell, a drying cavity, a heating device and a circulating air device, wherein the drying cavity is arranged inside the shell, the heating device comprises an infrared heating pipe arranged at the upper end of the drying cavity, the circulating air device comprises a circulating fan fixed on the shell, the circulating fan is communicated with the drying cavity through an exhaust pipe, the exhaust fan is further connected with a return air pipe used for returning heat to the drying cavity, a dehumidifying device is arranged in the return air pipe, the return air pipe is communicated with an air return opening in the drying cavity, a swinging blade device swinging back and forth along the transmission direction of the conveyor belt is arranged at the position of the return air opening, and the swinging blade device is positioned between the infrared heating pipe and the top end of the drying cavity.
The beneficial effects of the utility model are that, the tunnel oven adopts infrared heating device to heat and dry, has set up the circulated air device in addition, will dry the intracavity hot-blast circulation fan effect down and flow, and the dehydrating unit in the return duct gets rid of some aqueous vapor, and the pendulum leaf device of return duct department can the swing back and forth, makes the hot-blast more even that blows in the stoving chamber, increases hot-blast flow, improves drying efficiency.
Preferably, the swing blade device comprises a frame fixed at the top end of the drying cavity, a plurality of swing blades are rotationally connected in the frame, a gear is fixedly arranged at the same end of each swing blade, the gears are connected through a transmission chain, and a motor for driving the gears to rotate is fixed on the frame. The motor drives the swinging blade to swing.
Preferably, the swing blade is perpendicular to the conveying direction of the conveying belt. The swinging blade is ensured to swing along the conveying direction of the conveying belt.
Preferably, the exhaust pipe and the return air pipe are provided with a section of parallel pipe section parallel to the conveying direction of the conveyor belt. The exhaust pipe and the return air pipe are both in the conveying direction of the conveyor belt.
Preferably, the dehumidifying device is a calcium chloride solid moisture absorbent or a lithium chloride liquid moisture absorbent.
Preferably, the feed inlet and the discharge outlet are both provided with a baffle, and the baffles can be connected to the shell in a vertically sliding manner. Reducing heat loss.
Preferably, the material of the shell is a composite thermal insulation material. The heat preservation effect is good.
Drawings
FIG. 1 is a perspective view of the present embodiment;
FIG. 2 is a schematic structural diagram of the present embodiment;
fig. 3 is a schematic view of a swing blade structure in this embodiment.
In the figure:
1-frame, 2-tunnel oven, 21-feed inlet, 22-discharge outlet, 3-shell, 4-drying chamber, 5-heating device, 6-circulating air device, 61-circulating fan, 62-exhaust pipe, 63-return pipe, 7-dehumidifying device, 8-conveyor belt, 9-swing blade device, 91-frame, 92-swing blade, 93-drive chain and 94-motor.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the attached drawings 1-2, the tunnel type dryer for heat-conducting silica gel in the embodiment includes a frame 1, the frame 1 is fixed on a bottom surface, a conveyor belt 8 is arranged on the frame 1, a tunnel oven 2 is arranged above the conveyor belt 8, the tunnel oven 2 is fixed on the frame 1, and two ends of the conveyor belt 8 penetrate through the tunnel oven 2. One end of the tunnel oven 2 is provided with a feeding hole 21 for heat-conducting silica gel to enter, and the other end is provided with a discharging hole 22 for heat-conducting silica gel.
The tunnel oven 2 comprises a shell 3, a drying cavity 4, a heating device 5 and a circulating air device 6, wherein the drying cavity 4 is arranged inside the shell 3, and a conveyor belt 8 penetrates through the drying cavity 4. Heating device 5 is provided with a plurality of infrared radiators including setting up the infrared heating tube in stoving chamber 4 upper end, 8 bottoms of infrared heating tube, and infrared heating tube 8 is towards conveyer belt 8, provides the heat for stoving chamber 4, to the heat conduction silica gel stoving on the conveyer belt 8. The circulating fan device 6 comprises a circulating fan 61 fixed on the shell 3, and the circulating fan 61 is communicated with the drying cavity 4 through an exhaust pipe 62. The circulating fan 61 is also connected with a return air pipe 63 for sending hot air back to the drying cavity 4, a dehumidifying device 7 is arranged in the return air pipe 63, the dehumidifying device 7 is a calcium chloride solid moisture absorbent or a lithium chloride liquid moisture absorbent, the return air pipe 63 is communicated with a return air inlet on the drying cavity 4, the air suction pipe 62 and the return air pipe 63 are both provided with a section of parallel pipe section parallel to the conveying direction of the conveyor belt 8, and the air suction pipe 62 and the return air pipe 63 are both arranged at the central position of the conveying direction of the vertical conveyor belt 8. The air return opening is provided with a swinging blade device 9 swinging back and forth along the conveying direction of the conveying belt 8, and the swinging blade device 9 is positioned between the infrared heating tube and the top end of the drying cavity 4. Circulating fan 61 makes the air in the stoving chamber 4 take out from exhaust column 62, blows back stoving chamber 4 from return air duct 62 after the dehumidification of dehydrating unit 7, and pendulum leaf device 9 is located infrared heating tube top, blows down that steam is even, improves drying efficiency.
Referring to fig. 3, the swing blade device 9 includes a frame 91 fixed at the top end of the drying chamber 4, a plurality of swing blades 92 are rotatably connected to the frame 91, and the swing blades 92 are perpendicular to the conveying direction of the conveyor belt 8. The same end of each swing blade 92 is fixedly provided with a gear, the gears are connected through a transmission chain 93, and a motor 94 for driving the gears to rotate is fixed on the frame 91. The motor 94 drives the swing vane 92 to swing back and forth, so that the air blown out by the air return pipe is uniformly blown into the drying cavity 4, and the drying is more uniform.
The feed inlet 21 and the discharge outlet 22 are both provided with a baffle plate, and the baffle plate can be connected to the shell 3 in a vertical sliding manner. The shell 3 is made of composite heat-insulating material.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tunnel type drying-machine for heat conduction silica gel, includes frame (1), is located frame (1) top tunnel oven (2) and level are worn out conveyer belt (8) of tunnel oven (2), the one end of tunnel oven (2) is provided with feed inlet (21), and the other end is equipped with discharge gate (22), its characterized in that: the tunnel oven (2) comprises a shell (3), a drying cavity (4), a heating device (5) and a circulating air device (6), the drying cavity (4) is arranged inside the shell (3), the heating device (5) comprises an infrared heating tube arranged at the upper end of the drying cavity (4), the circulating air device (6) comprises a circulating fan (61) fixed on the shell (3), the circulating fan (61) is communicated with the drying cavity (4) through an exhaust pipe (62), the circulating fan (61) is also connected with an air return pipe (63) for returning hot air to the drying cavity (4), a dehumidifying device (7) is arranged in the air return pipe (63), the air return pipe (63) is communicated with an air return opening on the drying cavity (4), a swinging blade device (9) which swings back and forth along the conveying direction of the conveyor belt (8) is arranged at the air return opening, the swing blade device (9) is positioned between the infrared heating tube and the top end of the drying cavity (4).
2. The tunnel dryer for heat conductive silica gel of claim 1, wherein: the swing blade device (9) comprises a frame (91) fixed to the top end of the drying cavity (4), a plurality of swing blades (92) are connected to the frame (91) in a rotating mode, a gear is fixedly arranged at the same end of each swing blade (92), the gears are connected through a transmission chain (93), and a motor (94) for driving the gear to rotate is fixed to the frame (91).
3. The tunnel dryer for heat conductive silica gel of claim 2, wherein: the swinging vane (92) is perpendicular to the conveying direction of the conveying belt (8).
4. The tunnel dryer for heat conductive silica gel of claim 1, wherein: the exhaust pipe (62) and the return pipe (63) are provided with a section of parallel pipe section which is parallel to the conveying direction of the conveyor belt (8).
5. The tunnel dryer for heat conductive silica gel of claim 1, wherein: the dehumidifying device (7) is a calcium chloride solid hygroscopic agent or a lithium chloride liquid hygroscopic agent.
6. The tunnel dryer for heat conductive silica gel of claim 1, wherein: the feed inlet (21) and the discharge outlet (22) are both provided with baffles, and the baffles can be connected to the shell (3) in a vertically sliding manner.
7. The tunnel dryer for heat conductive silica gel of claim 1, wherein: the shell (3) is made of a composite heat-insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347124.1U CN210374319U (en) | 2019-08-19 | 2019-08-19 | Tunnel type dryer for heat-conducting silica gel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347124.1U CN210374319U (en) | 2019-08-19 | 2019-08-19 | Tunnel type dryer for heat-conducting silica gel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210374319U true CN210374319U (en) | 2020-04-21 |
Family
ID=70251546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921347124.1U Expired - Fee Related CN210374319U (en) | 2019-08-19 | 2019-08-19 | Tunnel type dryer for heat-conducting silica gel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210374319U (en) |
-
2019
- 2019-08-19 CN CN201921347124.1U patent/CN210374319U/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: 20200421 |