CN210674253U - Alumina powder drying equipment - Google Patents
Alumina powder drying equipment Download PDFInfo
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- CN210674253U CN210674253U CN201920802088.7U CN201920802088U CN210674253U CN 210674253 U CN210674253 U CN 210674253U CN 201920802088 U CN201920802088 U CN 201920802088U CN 210674253 U CN210674253 U CN 210674253U
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- atomizing
- cylinder
- heating
- stoving
- alumina powder
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Abstract
The utility model discloses an alumina powder drying device, which comprises a primary drying mechanism and a secondary drying mechanism, wherein the primary drying mechanism comprises an atomizing cylinder and a heating cylinder, the lower end of the atomizing cylinder is communicated with the upper end of the heating cylinder, the lower end of the heating cylinder is communicated with the secondary drying mechanism, the atomizing cylinder is a rotary cylinder structure with an opening at the lower end, the heating cylinder is a funnel-shaped rotary structure with openings at the upper and lower parts, the atomizing mechanism is arranged at the upper end of the atomizing cylinder in a matching way, the alumina powder drying device adopts a two-stage drying mechanism to ensure the drying effect, the atomizing mechanism is adopted inside the primary drying mechanism to atomize slurry into small fog drops, so that the internal water is conveniently contacted with hot air to volatilize rapidly, and the microwave heating mode is adopted inside the secondary drying mechanism to help the powder after accumulation to be internally heated, thereby avoiding the problem that the internal powder is not dried thoroughly, and the mode of two-stage formula stoving can continuity of operation, guarantees machining efficiency.
Description
Technical Field
The utility model relates to an alumina powder drying equipment technical field specifically is an alumina powder drying equipment.
Background
In the preparation process of the aluminum oxide powder, the raw materials in a slurry state need to be dehydrated and dried and processed into powder, the oven is mostly adopted to carry out high-temperature drying in the prior art, continuous production cannot be carried out, and in the drying process, in order to ensure that the moisture in the slurry can be completely evaporated, the thickness of the slurry needs to be ensured to be thinner, the production efficiency is lower, the drying time is difficult to control, the problems of insufficient evaporation of the moisture in the slurry and the like are easily caused, and the final drying effect is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, the utility model provides an alumina powder drying equipment, adopt two-stage drying mechanism, guarantee stoving effect, the inside atomizing mechanism that adopts of primary drying mechanism atomizes into the droplet with the thick liquid, the inside moisture of being convenient for contacts with the hot-air, thereby volatilize fast, the inside mode that adopts microwave heating of secondary drying mechanism simultaneously, the powder inside after helping piling up is heated, avoid the not thorough problem of inside powder stoving, and the mode of two-stage formula stoving can the continuity of operation, guarantee machining efficiency, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the drying equipment for the alumina powder comprises a primary drying mechanism and a secondary drying mechanism, wherein the primary drying mechanism comprises an atomizing cylinder and a heating cylinder, the lower end of the atomizing cylinder is communicated with the upper end of the heating cylinder, the lower end of the heating cylinder is communicated with the secondary drying mechanism, the atomizing cylinder is of a rotary cylindrical structure with an opening at the lower end, the heating cylinder is of a funnel-shaped rotary structure with openings at the upper and lower parts, the atomizing mechanism is installed at the upper end of the atomizing cylinder in a matched mode, a guide plate is arranged inside the heating cylinder, and the heating mechanism is arranged inside the guide plate;
the secondary stoving mechanism includes both ends open-ended stoving case, the stoving incasement portion runs through and sets up conveyer, the opening of stoving case one end and the lower extreme opening intercommunication of cartridge heater, the lateral wall of stoving case sets gradually along conveyer's direction of feed and is no less than a set of microwave emitter and air supply arrangement.
As the utility model discloses a preferred technical scheme, the top of an atomizing section of thick bamboo sets up the gas vent, the filter core is installed in the gas vent fit inside, and an atomizing section of thick bamboo and outside gas pressure balance of being convenient for filter exhaust gas simultaneously, and the dust after avoiding drying is discharged along with the air current.
As the utility model discloses a preferred technical scheme, the periphery of an atomizing section of thick bamboo sets up the intake pipe rather than inside intercommunication, the axis of intake pipe is tangent with the periphery of an atomizing section of thick bamboo, lets in the high velocity air through the intake pipe is inside, drives the raw materials after inside atomizing and at the inside vortex that forms of an atomizing section of thick bamboo, promotes the hot air collision of raw materials droplet and below to inside moisture atomizing guarantees the stoving effect with higher speed.
As the utility model discloses a preferred technical scheme, the inside guide plate that sets up the ceramic material of cartridge heater, the guide plate is the triangular pyramid structure of upper and lower thickness, the inside heating mechanism that sets up of guide plate increases the inner wall area of cartridge heater to increase heat exchange's area, thereby make the inside rapid heating up of cartridge heater.
As a preferred technical scheme of the utility model, air supply arrangement includes air-out direction and conveyer feed direction opposite's play wind cover, the air intake department that goes out the wind cover sets up the gas filtration device who has the gas drying function, produces dry air current through gas filtration device, sends into the stoving case through going out the wind cover, blows along the direction opposite with the material feed, takes away the steam that the raw materials thermal evaporation produced, and simultaneously, the heat of taking away partial raw materials supplies stoving mechanism internal heating to use once, reduces the energy waste, reduction in production cost.
Compared with the prior art, the beneficial effects of the utility model are that: this alumina powder drying equipment adopts two-stage stoving mechanism, the guarantee effect of drying, once dry inside atomizing mechanism that adopts of mechanism and atomize into the droplet with the thick liquid, the inside moisture of being convenient for and hot-air contact to volatilize fast, the inside mode that adopts microwave heating of secondary stoving mechanism simultaneously helps piling up the powder inside to be heated, avoids inside powder to dry incomplete problem, and the mode of two-stage formula stoving can continuous operation moreover, guarantees machining efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
fig. 3 is a schematic view of the heating cartridge of the present invention.
In the figure: 1 primary drying mechanism, 101 atomizing mechanism, 102 atomizing cylinder, 103 exhaust port, 104 heating cylinder, 105 guide plate, 106 heating mechanism, 107 filter element, 108 air inlet pipe, 2 secondary drying mechanism, 201 drying box, 202 microwave emission device, 203 gas filtering device, 204 conveying device and 205 air outlet cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an alumina powder material drying equipment, including once stoving mechanism 1 and secondary stoving mechanism 2, once stoving mechanism 1 includes an atomizing section of thick bamboo 102 and a heating cylinder 104, the lower extreme of an atomizing section of thick bamboo 102 and the upper end intercommunication of a heating cylinder 104, the lower extreme and the secondary stoving mechanism 2 intercommunication of a heating cylinder 104, an atomizing section of thick bamboo 102 is lower extreme open-ended gyration shape drum structure, a heating cylinder 104 is upper and lower equal open-ended infundibulate gyration structure, atomizing mechanism 101 is installed in the cooperation of an atomizing section of thick bamboo 102 upper end, heating cylinder 104 is inside to set up guide plate 105, the inside heating mechanism 106 that sets up of guide plate 105.
The atomizing mechanism 101 is preferably, but not limited to, a centrifugal type atomizing device and a pressure type atomizing device, and atomizes the raw material in a slurry state into mist-like small droplets.
The secondary drying mechanism 2 comprises a drying box 201 with two open ends, a conveying device 204 is arranged in the drying box in a penetrating mode, an opening at one end of the drying box 201 is communicated with an opening at the lower end of the heating cylinder 104, and the side wall of the drying box 201 is sequentially provided with at least one group of microwave emitting devices 202 and an air supply device along the feeding direction of the conveying device 204.
The conveyor 204 is preferably, but not limited to, a belt conveyor, which is wired and controlled in a manner common in the art.
The top of an atomizing barrel 102 sets up gas vent 103, and gas vent 103 inside cooperation installation filter core 107, the atomizing barrel 102 of being convenient for is balanced with outside gas pressure, filters discharge gas simultaneously, avoids the dust after the stoving to discharge along with the air current.
The circumference of the atomizing barrel 102 is provided with an air inlet pipe 108 communicated with the inside of the atomizing barrel, the axis of the air inlet pipe 108 is tangent to the circumference of the atomizing barrel 102, high-speed airflow is introduced into the air inlet pipe 108 to drive the internally atomized raw material to form a vortex inside the atomizing barrel 102, and the collision of the raw material droplets and the hot air below the raw material droplets is promoted, so that the moisture atomization is accelerated, and the drying effect is ensured.
The inside guide plate 105 that sets up ceramic material of cartridge heater 104, guide plate 105 is the triangular pyramid structure of upper and lower thick, the inside heating mechanism 106 that sets up of guide plate 105, increase the inner wall area of cartridge heater 104, thereby increase heat exchange's area, thereby make the inside rapid heating up of cartridge heater 104, heating mechanism 106 is preferred but not restricted to the PTC heater, common mode among the prior art is all adopted to wiring and control mode, or adopt the mode of circulation heat medium to heat, mainly used for promoting the surface temperature of guide plate 105, thereby promote atomizing barrel 102 and the inside temperature of cartridge heater 104, thereby promote the inside moisture evaporation of droplet.
Air supply arrangement includes air-out direction and conveyer 204 opposite direction of feed's play wind cover 205, the air intake department that goes out wind cover 205 sets up the gas filtration device 203 that has the gas drying function, produce dry air current through gas filtration device 203, send into stoving case 201 through going out wind cover 205, blow along the opposite direction with the material feed, take away the steam that the raw materials heated the evaporation and produced, simultaneously, the heat of taking away partial raw materials supplies 1 internal heating of stoving mechanism to use once, reduce the energy waste, and the production cost is reduced.
The gas filtering device 203 filters and dries air by adopting a filter element filled with dry lime and an active carbon filter element.
When in use: the raw material supply device is communicated with the atomization mechanism 101, the air inlet pipe 103 and the air outlet cover 205 are communicated with an external air inlet device, when the device works, slurry is atomized into small droplets in the atomization cylinder 102 through the atomization mechanism 101 and falls under the action of gravity, meanwhile, air flow is introduced into the air inlet pipe 103 to push the small droplets to form vortex in the atomization cylinder 102, at the moment, the heating mechanism 106 generates heat to enable the surface of the guide plate 105 to be heated, the temperatures in the heating cylinder 104 and the atomization cylinder 102 are synchronously raised, at the moment, the air flow in the air outlet cover 205 enters the primary drying mechanism 1 from the interior of the secondary drying mechanism 2, the heat is driven to rise through the heating cylinder 104 to collide with the small droplets during the process, the moisture in the small droplets is taken away, the small droplets are dried, the internal raw materials fall on the surface of the guide plate 105 to be continuously heated and dried, and then slide downwards, along with the conveyer belt feeds, when microwave emitter 202, the raw materials can absorb the microwave that microwave emitter 202 transmitted, inside and outside synchronous heating make inside moisture evaporate, guarantee the stoving effect, go out the inside air current of fan housing 205 simultaneously and take away humid gas, take away partial heat simultaneously, supply stoving mechanism 1 to use once, reduce energy loss.
The utility model discloses a two-stage stoving mechanism, the guarantee effect of drying, the atomizing mechanism 101 that once dries 1 inside adoption of mechanism atomizes into the droplet with the thick liquid, the inside moisture of being convenient for and hot-air contact to volatilize fast, the inside mode that adopts microwave heating of secondary stoving mechanism 2 simultaneously helps piling up the powder inside to be heated, avoids the interior incomplete problem of powder stoving, and the mode of two-stage formula stoving can continuity of operation moreover, guarantees machining efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an alumina powder material drying equipment, includes once stoving mechanism (1) and secondary stoving mechanism (2), its characterized in that: the primary drying mechanism (1) comprises an atomizing cylinder (102) and a heating cylinder (104), the lower end of the atomizing cylinder (102) is communicated with the upper end of the heating cylinder (104), the lower end of the heating cylinder (104) is communicated with the secondary drying mechanism (2), the atomizing cylinder (102) is of a rotary cylindrical structure with an opening at the lower end, the heating cylinder (104) is of a funnel-shaped rotary structure with openings at the upper end and the lower end, the atomizing mechanism (101) is installed at the upper end of the atomizing cylinder (102) in a matched mode, a guide plate (105) is arranged inside the heating cylinder (104), and a heating mechanism (106) is arranged inside the guide plate (105);
secondary stoving mechanism (2) include both ends open-ended stoving case (201), stoving incasement portion runs through and sets up conveyer (204), the lower extreme opening intercommunication of the opening of stoving case (201) one end and cartridge heater (104), the lateral wall of stoving case (201) sets gradually along the direction of feed of conveyer (204) and is no less than a set of microwave emitter (202) and air supply arrangement.
2. The alumina powder drying apparatus according to claim 1, wherein: the top of the atomizing barrel (102) is provided with an air outlet (103), and a filter element (107) is installed in the air outlet (103) in a matched mode.
3. The alumina powder drying apparatus according to claim 1, wherein: the circumference of the atomizing cylinder (102) is provided with an air inlet pipe (108) communicated with the inside of the atomizing cylinder, and the axis of the air inlet pipe (108) is tangent to the circumference of the atomizing cylinder (102).
4. The alumina powder drying apparatus according to claim 1, wherein: the inside guide plate (105) that sets up ceramic material of heating cylinder (104), guide plate (105) are the triangular pyramid structure of top-down thickness, inside heating mechanism (106) that sets up of guide plate (105).
5. The alumina powder drying apparatus according to any one of claims 1 to 4, wherein: the air supply device comprises an air outlet cover (205) with the air outlet direction opposite to the feeding direction of the conveying device (204), and an air inlet of the air outlet cover (205) is provided with an air filtering device (203) with an air drying function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802088.7U CN210674253U (en) | 2019-05-30 | 2019-05-30 | Alumina powder drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802088.7U CN210674253U (en) | 2019-05-30 | 2019-05-30 | Alumina powder drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210674253U true CN210674253U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920802088.7U Expired - Fee Related CN210674253U (en) | 2019-05-30 | 2019-05-30 | Alumina powder drying equipment |
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| CN (1) | CN210674253U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146403A (en) * | 2020-08-26 | 2020-12-29 | 周然然 | Tertiary drying device of tealeaves |
| CN115400439A (en) * | 2022-11-01 | 2022-11-29 | 南通华椿机械设备有限公司 | Dry separator of dryer |
-
2019
- 2019-05-30 CN CN201920802088.7U patent/CN210674253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146403A (en) * | 2020-08-26 | 2020-12-29 | 周然然 | Tertiary drying device of tealeaves |
| CN115400439A (en) * | 2022-11-01 | 2022-11-29 | 南通华椿机械设备有限公司 | Dry separator of dryer |
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| 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: 20200605 |