CN214148749U - Powder spiral drying device - Google Patents
Powder spiral drying device Download PDFInfo
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- CN214148749U CN214148749U CN202022914611.0U CN202022914611U CN214148749U CN 214148749 U CN214148749 U CN 214148749U CN 202022914611 U CN202022914611 U CN 202022914611U CN 214148749 U CN214148749 U CN 214148749U
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Abstract
The utility model relates to a powder stoving technical field, concretely relates to powder spiral drying device, including three sections of rotary drying-machines, screw conveyor constructs the open end of establishing at three sections of rotary drying-machines, be equipped with actuating mechanism in three sections of rotary drying-machines bottoms, be equipped with stirring anti-blocking mechanism in screw conveyor's top, be equipped with heating mechanism between the interior barrel of defeated feed cylinder and the outer barrel among the screw conveyor, unique structure, high durability and convenient use, when the powder enters into screw conveyor through the feed cylinder in, prevent blocking mechanism through the stirring and can break up wet matter powder, avoid the powder to block up in feed cylinder department, and through the heater strip that sets up between barrel and the outer barrel in the screw conveyor, can preheat the drying to the powder in the screw conveyor, the drying efficiency of powder has further been improved.
Description
The technical field is as follows:
the utility model relates to a powder stoving technical field, concretely relates to powder spiral drying device.
Background art:
the drying machine is widely applied in many industries, and common belt type drying machines, drum drying machines, box type drying machines and the like are used, wherein the drum drying machines are widely applied, when powder is dried by the drum drying machines, the powder is heated in a cylinder body of the drying machine, so that moisture of the powder is continuously evaporated in the cylinder body, and a large amount of moisture and wet air flow is extracted by an air inducing device at an air outlet so as to prevent secondary pollution caused by dust discharge; after the powder enters the cylinder body of the dryer, the powder is pushed to move by a shoveling plate in the cylinder body of the dryer to realize cyclic heating, and the whole drying process is completed.
When powder is conveyed inside the dryer, a spiral conveyor is mostly adopted for feeding, but when the powder enters the spiral conveyor through a feeding cylinder, the powder is wet and can be easily blocked at the feeding cylinder, and the powder cannot be uniformly fed into the spiral conveyor during feeding, so that the dispersibility of the spiral conveyor to the material is poor, the powder falls into a dryer cylinder, the powder is accumulated, and the drying effect of the powder is reduced; and current screw conveyer can't preheat the stoving to wet matter powder when carrying wet matter powder, has also reduced the drying efficiency of powder.
The invention content is as follows:
to defect and problem that exist in the aforesaid, the utility model provides a powder spiral drying device, the structure is unique, convenient to use, when the powder enters into screw conveyor through a feeding section of thick bamboo in, can break up wet matter powder through stirring vane, avoids the powder to block up in feeding section of thick bamboo department to through the heater strip that sets up between barrel and the outer barrel in screw conveyor, can preheat the powder in the screw conveyor and dry, further improved the drying efficiency of powder.
The utility model provides a scheme that its technical problem adopted is: a spiral powder drying device comprises a three-cylinder rotary dryer, a driving mechanism and a spiral conveying mechanism, wherein the driving mechanism is arranged below the three-cylinder rotary dryer, wheel tracks are arranged on the peripheral side of the three-cylinder rotary dryer, the three-cylinder rotary dryer comprises an inner cylinder, a middle cylinder and an outer cylinder which are coaxially nested together to form three layers of left and right circuitous powder passages, the tail end of the outer cylinder is provided with a discharge hole which is communicated with the outer cylinder, and the device also comprises a sealed combustion chamber, a stirring anti-blocking mechanism, a sealed rotating assembly, a heating mechanism and a burner, wherein the sealed combustion chamber is arranged at the opening end of the three-cylinder rotary dryer and is hermetically sleeved with the three-cylinder rotary dryer through the sealed rotating assembly, the inner cylinder extends into the sealed combustion chamber, the combustor is fixed on the outer side of the sealed combustion chamber, and the input end of the combustor is communicated with the sealed combustion chamber in a sealing way; the spiral conveying mechanism is arranged on the sealed combustion chamber and comprises a conveying cylinder and a rotating motor, the conveying cylinder comprises an outer cylinder body and an inner cylinder body, the inner cylinder body is fixed in the outer cylinder body, the rotating motor is fixedly arranged at the outer end of the conveying cylinder, and the inner end of the conveying cylinder penetrates through the sealed combustion chamber to an inner cylinder of the three-cylinder rotary dryer; a screw shaft is arranged in the conveying cylinder and is connected with the output end of the rotating motor, a screw blade is fixed on the screw shaft, a feeding cylinder is arranged above the conveying cylinder, and the feeding cylinder is communicated with the conveying cylinder in a sealing manner; the stirring anti-blocking mechanism is arranged above the conveying cylinder and comprises a second motor, a stirring shaft and stirring blades, the stirring shaft is rotatably sleeved in the feeding cylinder, the stirring blades are uniformly distributed on the outer peripheral side of the stirring shaft along the radial direction, one end of the stirring shaft extends out of the feeding cylinder and is fixed with a driven belt wheel, the second motor is arranged above the conveying cylinder, a driving belt wheel is fixed on an output shaft of the second motor, and the driving belt wheel is in transmission connection with the driven belt wheel through a transmission belt; heating mechanism includes heating controller and heating element, heating element establishes between outer barrel and interior barrel, and the heating element winding is fixed on interior barrel, heating controller establishes in transport section of thick bamboo below, and heating controller and heating element electricity are connected.
Further, the heating element is wound and fixed on the inner cylinder body at the inner end of the feeding cylinder.
Further, the heating element is a heating wire or a heating pipe.
Furthermore, the driving mechanism comprises a bearing seat, a first motor and a riding wheel, the riding wheel is rotatably sleeved on a shaft rod in the bearing seat, the riding wheel is slidably sleeved with the wheel rail, and an output shaft of the first motor is fixedly connected with the shaft rod.
Further, still include the mount, the mount is established in the feed cylinder top, second motor fixed mounting is on the mount.
Furthermore, the sealing rotating assembly comprises a sealing sleeve ring and a sealing ring plate, the sealing sleeve ring is fixed on the inner side of the sealing combustion chamber, the sealing ring plate is fixed at the opening end of the three-cylinder rotary dryer, and the sealing ring plate rotates to be sleeved in the sealing sleeve ring in a sealing mode.
Further, the conveying cylinder, the spiral shaft and the spiral blade are made of high-temperature-resistant materials.
Furthermore, a bearing is arranged at the inner end of the conveying cylinder, the inner end of the spiral shaft is rotatably sleeved in the bearing, and the bearing is a high-temperature-resistant graphite bearing.
The utility model has the advantages that:
first, the structure is unique, high durability and convenient use, under the effect of stirring anti-blocking mechanism, when wet powder enters into screw conveyor through a feeding section of thick bamboo, can be broken up by stirring vane, the condition of powder in a feeding section of thick bamboo of blockking up because of unloading is too much has been avoided, and also can make the even unloading of powder to screw conveyor in under stirring vane's effect, make the powder evenly send into three sections rotary drying-machines in, the condition of piling up takes place after having avoided the powder to fall into three sections rotary drying-machines, the drying effect of powder has been improved, through mutually supporting of sealed combustion chamber and three sections rotary drying-machines, the combustor can be better dries the powder to three sections rotary drying-machines, drying efficiency has been improved.
Second, under the effect of the heater strip of setting between barrel and the outer barrel in screw conveyor, wet matter powder can be preheated and dried when screw conveyor is internal, makes the moisture in the wet matter powder partly by the evaporation, and wet matter powder enters into three section of thick bamboo rotary drying-machines in the back, can be faster by the discharge of drying, has further improved the drying efficiency of powder.
Thirdly, through the sealed cooperation of the sealing lantern ring and the sealing ring plate, the three-cylinder rotary dryer and the sealed combustion chamber can be in sealed rotating sleeving, the three-cylinder rotary dryer can rotate in the sealed combustion chamber through the sealing ring plate, and the sealing effect is improved.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the screw conveying mechanism.
Fig. 3 is a second schematic structural view of the screw conveying mechanism.
Fig. 4 is a schematic view of the discharge opening structure of the screw conveying mechanism.
In the figure: 1-screw conveying mechanism, 101-rotating motor, 102-screw shaft, 103-screw blade, 104-bearing, 105-conveying cylinder, 106-feeding cylinder, 1051-outer cylinder, 1052-inner cylinder, 2-burner, 3-sealed combustion chamber, 4-sealed lantern ring, 5-sealed ring plate, 6-ring rail, 7-three-cylinder rotary dryer, 71-outer cylinder, 72-middle cylinder, 73-inner cylinder, 8-bearing seat, 9-riding wheel, 10-first motor, 11-discharge outlet, 12-heating controller, 13-stirring shaft, 14-driven pulley, 15-driving belt, 16-second motor, 17-driving pulley, 18-fixing frame, 19-stirring blade, 20-heating element, 21-discharge opening.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the drawings and examples.
In view of the above problems, the present embodiment provides a spiral powder drying device, as shown in fig. 1-3, which includes a three-cylinder rotary dryer 7, a wheel rail 6 is disposed on an outer peripheral side of the three-cylinder rotary dryer 7, a bearing seat 8 is disposed below the three-cylinder rotary dryer 7, a supporting roller 9 is fixedly sleeved on a shaft rod in the bearing seat 8, the supporting roller 9 is slidably sleeved in the wheel rail 6, an output shaft of a first motor 10 is fixedly connected with the shaft rod in the bearing seat 8, and after the first motor 10 is started, the supporting roller 9 is driven to rotate, so that the three-cylinder rotary dryer 7 is driven to rotate by the supporting roller 9 through the wheel rail 6; the three-cylinder rotary dryer 7 comprises an inner cylinder 73, a middle cylinder 72 and an outer cylinder 71 which are coaxially nested together to form three layers of left and right circuitous powder channels, wherein the tail end of the outer cylinder 71 is provided with a discharge opening 11, the discharge opening 11 is hermetically communicated with the outer cylinder 71, and the dried powder can be discharged through the discharge opening 11; a sealed combustion chamber 3 is arranged at the opening end of the three-cylinder rotary dryer 7, a sealed lantern ring 4 is fixed on the inner side of the sealed combustion chamber 3, a sealed annular plate 5 is fixed on the side wall of the opening end of the three-cylinder rotary dryer 7, the sealed annular plate 5 is rotatably and hermetically clamped in the sealed lantern ring 4, the three-cylinder rotary dryer 7 is rotatably connected with the sealed combustion chamber 3 through the sealed annular plate 5, and the head end of the inner cylinder 73 extends into the sealed combustion chamber 3; a combustor 2 is fixedly arranged on the outer side of the sealed combustion chamber 3, and the input end of the combustor 2 is hermetically communicated with the sealed combustion chamber 3; the conveying cylinder 105 is arranged on the sealed combustion chamber 3, the conveying cylinder 105 comprises an outer cylinder 1051 and an inner cylinder 1052, the inner cylinder 1052 is fixed in the outer cylinder 1051, a rotating motor 101 is fixedly arranged at the outer end of the conveying cylinder 105, the inner end of the conveying cylinder 105 penetrates through the sealed combustion chamber 3 to the inner cylinder 73, a sealing ring is fixedly sleeved on the part of the conveying cylinder 105 penetrating through the sealed combustion chamber 3, a bearing 104 is fixed at the inner end of the conveying cylinder 105, the bearing 104 is a high-temperature-resistant graphite bearing, a discharge opening 21 is formed in the inner end of the conveying cylinder 105, a screw shaft 102 is arranged in the conveying cylinder 105, the inner end of the screw shaft 102 is rotatably sleeved in the bearing 104, the outer end of the screw shaft 102 is fixedly connected with an output shaft of the rotating motor 101, and a screw blade 103 is fixedly arranged on the screw shaft 102.
As shown in fig. 2-3, a feeding cylinder 106 is disposed above the feeding cylinder 105, the feeding cylinder 106 is in sealed communication with the feeding cylinder 105, a stirring shaft 13 is disposed in the feeding cylinder 105, the stirring shaft 13 is rotatably sleeved in the feeding cylinder 106, a plurality of stirring blades 19 are uniformly distributed on the outer circumferential side of the stirring shaft 13 along the radial direction, one end of the stirring shaft 13 extends out of the feeding cylinder 106 and is fixed with a driven pulley 14, a fixing frame 18 is disposed beside the feeding cylinder 106, the bottom end of the fixing frame 18 is fixedly connected with the feeding cylinder 105, a second motor 16 is fixedly mounted on the fixing frame 18, a driving pulley 17 is fixed on an output shaft of the second motor 16, the driving pulley 17 is in transmission connection with the driven pulley 14 through a transmission belt 15, after the second motor 16 is started, the stirring shaft 13 is driven by the transmission belt 15 to rotate the stirring shaft 13, so that the stirring blades 19 rotate, when wet powder enters the feeding cylinder 105 through the feeding cylinder 106, the powder is scattered by the stirring blades 19, so that the situation that the powder is blocked in the feeding cylinder 106 due to excessive feeding is avoided, the powder can be uniformly fed into the conveying cylinder 105 under the action of the stirring blades 19, the powder is uniformly fed into the three-cylinder rotary dryer 7, and the situation that the powder is accumulated after falling into the three-cylinder rotary dryer 7 is avoided; a heating controller 12 is fixedly arranged below the material conveying cylinder 105, a heating element 20 is arranged between the outer cylinder 1051 and the inner cylinder 1052, the heating element 20 is a heating wire, the heating element 20 is fixedly wound on the inner cylinder 1052 at the inner end of the material feeding cylinder 106, the heating controller 12 is electrically connected with the heating element 20, the opening and closing of the heating element 20 can be controlled through the heating controller 12, and the conveying cylinder 105, the screw shaft 102 and the screw blades 103 are made of high-temperature-resistant materials.
When in use, the first motor 10 is started to enable the three-cylinder rotary dryer 7 to be driven to rotate by the supporting wheel 9 under the action of the wheel rail 6, wet powder enters the feeding cylinder 106, the second motor 16 is started to drive the stirring shaft 13 to drive the stirring blade 19 to rotate, the powder in the feeding cylinder 106 is scattered, the situation that the powder is blocked in the feeding cylinder 106 due to excessive feeding is avoided, when the stirring blade 19 rotates, the powder can be uniformly fed into the feeding cylinder 105, the rotating motor 101 is started to drive the spiral shaft 102 to rotate the spiral blade 103, the powder in the feeding cylinder 105 is conveyed into the inner cylinder 73 through the discharge opening 21 under the action of the spiral blade 103, the powder is uniformly fed into the three-cylinder rotary dryer 7, the situation that the powder is accumulated after falling into the inner cylinder 73 is avoided, the drying effect of the powder is improved, and after the powder enters the conveying cylinder 105, heating controller 12 control heating element 20, make heating element 20 start, heat internal barrel 1052, thereby realize the stoving in advance of wet matter powder, make moisture in the wet matter powder partly by the evaporation, the wet matter powder enters into three section of thick bamboo rotary dryer 7 in the back, can be faster by the stoving discharge, the drying efficiency of powder has further been improved, start combustor 2, the output of combustor 2 is blowout flame in sealed combustion chamber 3, provide the heat to three section of thick bamboo rotary dryer 7 through sealed combustion chamber 3, dry the powder in three section of thick bamboo rotary dryer 7, the wet matter powder is dried gradually at the in-process that three section of thick bamboo rotary dryer 7 removed, the powder that is dried passes through bin outlet 11 and discharges, accomplish the stoving of powder.
Example 2 the following description will focus on differences from example 1 in a powder spiral drying apparatus of this embodiment.
In this embodiment, the heating element 20 is a heating pipe, the heating pipe is electrically connected with the heating controller 12, and the heating pipe can heat the inner cylinder 1052 more quickly, so as to improve the preheating and drying efficiency of the wet powder in the material conveying cylinder 105.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement and improvement made within the spirit and principle scope of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A spiral powder drying device comprises a three-cylinder rotary dryer, a driving mechanism and a spiral conveying mechanism, wherein the driving mechanism is arranged below the three-cylinder rotary dryer, wheel tracks are arranged on the peripheral side of the three-cylinder rotary dryer, the three-cylinder rotary dryer comprises an inner cylinder, a middle cylinder and an outer cylinder which are coaxially nested together to form three layers of left and right circuitous powder material channels, a discharge opening is arranged at the tail end of the outer cylinder and is communicated with the outer cylinder, it is characterized by also comprising a sealed combustion chamber, a stirring anti-blocking mechanism, a sealed rotating assembly, a heating mechanism and a burner, wherein the sealed combustion chamber is arranged at the opening end of the three-cylinder rotary dryer and is hermetically sleeved with the three-cylinder rotary dryer through the sealed rotating assembly, the inner cylinder extends into the sealed combustion chamber, the combustor is fixed on the outer side of the sealed combustion chamber, and the input end of the combustor is communicated with the sealed combustion chamber in a sealing way; the spiral conveying mechanism is arranged on the sealed combustion chamber and comprises a conveying cylinder and a rotating motor, the conveying cylinder comprises an outer cylinder body and an inner cylinder body, the inner cylinder body is fixed in the outer cylinder body, the rotating motor is fixedly arranged at the outer end of the conveying cylinder, and the inner end of the conveying cylinder penetrates through the sealed combustion chamber to an inner cylinder of the three-cylinder rotary dryer; a screw shaft is arranged in the conveying cylinder and is connected with the output end of the rotating motor, a screw blade is fixed on the screw shaft, a feeding cylinder is arranged above the conveying cylinder, and the feeding cylinder is communicated with the conveying cylinder in a sealing manner; the stirring anti-blocking mechanism is arranged above the conveying cylinder and comprises a second motor, a stirring shaft and stirring blades, the stirring shaft is rotatably sleeved in the feeding cylinder, the stirring blades are uniformly distributed on the outer peripheral side of the stirring shaft along the radial direction, one end of the stirring shaft extends out of the feeding cylinder and is fixed with a driven belt wheel, the second motor is arranged above the conveying cylinder, a driving belt wheel is fixed on an output shaft of the second motor, and the driving belt wheel is in transmission connection with the driven belt wheel through a transmission belt; heating mechanism includes heating controller and heating element, heating element establishes between outer barrel and interior barrel, and the heating element winding is fixed on interior barrel, heating controller establishes in transport section of thick bamboo below, and heating controller and heating element electricity are connected.
2. The spiral powder drying device of claim 1, wherein the heating element is wound around the inner cylinder fixed at the inner end of the feeding cylinder.
3. The spiral powder drying device of claim 2, wherein the heating element is a heating wire or a heating tube.
4. The spiral powder drying device of claim 1, wherein the driving mechanism comprises a bearing seat, a first motor and a riding wheel, the riding wheel is rotatably sleeved on a shaft rod in the bearing seat, the riding wheel is slidably sleeved with the wheel rail, and an output shaft of the first motor is fixedly connected with the shaft rod.
5. The spiral powder drying device of claim 1, further comprising a fixing frame, wherein the fixing frame is arranged above the conveying cylinder, and the second motor is fixedly arranged on the fixing frame.
6. The spiral powder drying device of claim 1, wherein the sealing rotary assembly comprises a sealing ring and a sealing ring plate, the sealing ring is fixed inside the sealing combustion chamber, the sealing ring plate is fixed at the opening end of the three-cylinder rotary dryer, and the sealing ring plate is rotatably clamped in the sealing ring.
7. The spiral powder drying device of claim 1, wherein the conveying cylinder, the spiral shaft and the spiral blade are made of high temperature resistant materials.
8. The spiral powder drying device of claim 1, wherein a bearing is arranged at an inner end of the conveying cylinder, the inner end of the spiral shaft is rotatably sleeved in the bearing, and the bearing is a high-temperature-resistant graphite bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914611.0U CN214148749U (en) | 2020-12-08 | 2020-12-08 | Powder spiral drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914611.0U CN214148749U (en) | 2020-12-08 | 2020-12-08 | Powder spiral drying device |
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| Publication Number | Publication Date |
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| CN214148749U true CN214148749U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022914611.0U Active CN214148749U (en) | 2020-12-08 | 2020-12-08 | Powder spiral drying device |
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| CN (1) | CN214148749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115808071A (en) * | 2023-02-07 | 2023-03-17 | 河南晶研智造科技有限公司 | Continuous diamond micro-powder drying device |
-
2020
- 2020-12-08 CN CN202022914611.0U patent/CN214148749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115808071A (en) * | 2023-02-07 | 2023-03-17 | 河南晶研智造科技有限公司 | Continuous diamond micro-powder drying device |
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