CN110749174B - Drying roller gas-solid diversion device and drying roller and method - Google Patents
Drying roller gas-solid diversion device and drying roller and method Download PDFInfo
- Publication number
- CN110749174B CN110749174B CN201910967109.5A CN201910967109A CN110749174B CN 110749174 B CN110749174 B CN 110749174B CN 201910967109 A CN201910967109 A CN 201910967109A CN 110749174 B CN110749174 B CN 110749174B
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- section
- roller
- connecting cylinder
- gas
- annular baffle
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- 238000001035 drying Methods 0.000 title claims abstract description 49
- 239000007787 solid Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims abstract description 82
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003546 flue gas Substances 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
-
- 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
-
- 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
-
- 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
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of drying rollers, in particular to a gas-solid flow dividing device of a drying roller, the drying roller and a drying method, wherein the gas-solid flow dividing device comprises two sections of connecting cylinder sections, a material conveying section and an outer shell, the material conveying section comprises a plurality of material conveying pipes, each material conveying pipe is arranged close to the cylinder wall of the roller, material passing openings are formed at two ends of each material conveying pipe, an annular baffle is arranged between the connecting cylinder sections and the material conveying section, the material passing openings are formed on the annular baffle, a first air outlet is formed in the middle of the annular baffle, the material conveying pipes are arranged at intervals to form a second air outlet capable of allowing smoke to pass through between the material conveying pipes, and an air outlet is formed on the outer shell. The device can discharge hot flue gas in advance, realizes inconsistent design of the path of materials passing through the roller and the path length of the hot flue gas passing through the roller, has more flexible heat exchange and heat preservation time design, and can be used as basic equipment to provide more technological design ideas.
Description
Technical Field
The invention relates to the technical field of drying rollers, in particular to a drying roller gas-solid diversion device, a drying roller and a drying method.
Background
The drying roller is common production equipment in industries such as asphalt, dry-mixed mortar, crushing production and the like, the drying roller comprises a single-drum dryer and a multi-drum dryer, when the existing drying roller is used for drying, countercurrent heating or concurrent heating can be selected, but the heat exchange process of hot smoke and materials passes through the whole length path of the drying roller, when the actual process is designed, the heat exchange of the hot smoke and the materials in the whole length path of the drying roller is sometimes not expected, the materials and the hot smoke are required to be separated in advance, but the existing drying roller cannot achieve the effect, and certain obstruction is generated for the design of the material drying process, so that the drying roller is required to be improved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a drying roller gas-solid diversion device capable of realizing the advanced separation of materials and hot flue gas, a drying roller and a drying method.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a stoving cylinder gas-solid diverging device, locates the cylinder middle part in order to separate material and hot flue gas, its characterized in that: including two sections connecting cylinder sections, locate the material section of walking between two sections connecting cylinder sections, wrap up in the outer shell of walking outside the material section, walk the material section and include a plurality of material pipes, each material pipe of walking is pressed close to cylinder wall setting, and material pipe both ends are formed with the material mouth of passing, are equipped with annular baffle between connecting cylinder section and the material section of walking, the material mouth of passing is seted up on annular baffle, and annular baffle middle part forms first air exit, each material pipe interval arrangement is in order to form the second air exit that can make the flue gas pass through between walking the material pipe, be equipped with the gas outlet on the shell, the material is through walking the material pipe and is sent to the other end connecting cylinder section from one end connecting cylinder section, and hot flue gas gets into in the shell and follows the gas outlet through first air exit, second air exit in proper order.
Further, each feeding pipe is annularly arranged around the axis of the roller.
Further, the material passing openings at the two ends of the material passing pipe are arranged on the two annular baffles in a staggered mode, so that the material passing pipe is obliquely connected with the two connecting cylinder sections relative to the axis of the roller.
Further, a part of the cylinder body of the roller forms the connecting cylinder section, the connecting cylinder section rotates along with the cylinder body, and the connecting cylinder section drives the feeding pipe section to rotate together.
Further, the length of the outer shell is greater than the length of the feeding section so as to completely wrap the feeding section therein.
Further, the outer shell is fixedly arranged, and the front side and the rear side of the outer shell are in rotatable airtight connection with the connecting cylinder section through a mechanical sealing mechanism.
Further, the mechanical sealing mechanism is a labyrinth sealing mechanism.
Further, the air outlet is arranged at the upper part of the outer shell.
A drying drum, characterized in that: comprising the drying roller gas-solid diversion device.
A roller drying method is characterized in that: comprising
The method comprises the steps that firstly, materials are fed into a roller from one end of the roller, are conveyed backwards along with rotation of the roller, when the materials reach the boundary of a connecting cylinder section and a material conveying section, the materials cannot cross over the annular baffle to enter the material conveying section due to the blocking of the annular baffle, enter a material conveying pipe from a material passing opening formed in the annular baffle, reach the connecting cylinder section on the other side through the material conveying pipe, and are conveyed backwards continuously to complete the whole length path of the cylinder;
step two, simultaneously with the step one, hot flue gas is formed from one end of the roller and enters the roller, when the hot flue gas reaches the boundary of the connecting cylinder section and the feeding section, gaseous hot flue gas is not blocked by the annular baffle plate, and enters the feeding section from a first air outlet in the middle of the annular baffle plate, then enters the outer shell through a second air outlet formed among the feeding pipes, and finally leaves the roller in advance through the air outlet;
and thirdly, the length of the passage path of the hot smoke and the material in the roller is inconsistent, but the passage path of the hot smoke and the passage path of the material in the roller are overlapped, and the hot smoke and the material exchange heat at the overlapped section.
Compared with the prior art, the gas-solid flow dividing device of the drying roller, the drying roller and the drying method can realize the advanced discharge of hot flue gas, realize inconsistent design of the path of materials passing through the roller and the path length of the hot flue gas passing through the roller, have more flexible heat exchange and heat preservation time design, and can be used as basic equipment to provide more technological design ideas.
Drawings
Fig. 1 is a schematic structural diagram of a gas-solid diversion device of a drying roller.
Fig. 2 is a schematic side view of a gas-solid diversion device of a drying drum according to the present invention.
Fig. 3 is a schematic diagram illustrating a sectional working state of a gas-solid diversion device of a drying drum according to the present invention.
Fig. 4 is a schematic perspective view of a gas-solid diversion device for a drying drum according to the present invention, with the outer casing removed.
The correspondence identified in the figure is as follows: 1. the connecting cylinder section, 2, a feeding section, 21, a feeding pipe, 211, a second air outlet, 22, a feeding port 23, annular baffle, 231, first air outlet, 3, shell, 31, labyrinth seal mechanism, 32, gas outlet.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 4, a gas-solid flow dividing device of a drying roller is provided in the middle of the roller to separate materials and hot flue gas, and comprises two connecting barrel sections 1, a feeding section 2 provided between the two connecting barrel sections 1, and an outer casing 3 wrapped outside the feeding section 2.
The connecting cylinder section 1 is formed by a part of the cylinder body of the roller, the connecting cylinder section 1 rotates along with the cylinder body, and the connecting cylinder section 1 drives the feeding pipe section 2 to rotate together.
The feeding section 2 comprises a plurality of feeding pipes 21, each feeding pipe 21 is close to the wall of the drum and is arranged in an annular array around the axis of the drum, feeding ports 22 are formed at two ends of the feeding pipes 21, annular baffles 23 are arranged between the connecting cylinder sections 1 and the feeding section 2, the feeding ports 22 are arranged on the annular baffles 23, the feeding ports 22 at two ends of the feeding pipes 21 are arranged in a staggered mode on the two annular baffles 23, so that the feeding pipes 21 are obliquely connected with the two connecting cylinder sections 1 relative to the axis of the drum, materials are conveyed from one end of the connecting cylinder section 1 to the other end of the connecting cylinder section 1 through the feeding pipes 21, a first exhaust port 231 is formed in the middle of the annular baffles 23, and the feeding pipes 21 are arranged at intervals to form a second exhaust port 211 capable of enabling smoke to pass through between the feeding pipes 21.
The length of the outer shell 3 is greater than that of the feeding section 2 so as to completely wrap the feeding section 2 in the inner part, the outer shell 3 is fixedly arranged, the front side and the rear side of the outer shell 3 are connected with the connecting cylinder section 1 through the labyrinth seal mechanism 31, the outer shell 3 is in airtight connection with the connecting cylinder section 1 in a relative rotation manner, an air outlet 32 is formed in the upper portion of the outer shell 3, and hot flue gas sequentially enters the outer shell 3 through the first air outlet 231 and the second air outlet 211 and is sent out from the air outlet 32.
The utility model provides a drying drum, includes a drying drum gas-solid diverging device, and this kind of drying drum gas-solid diverging device is located drying drum's middle section position according to the design demand selection.
The working principle of the gas-solid flow dividing device of the drying roller is as follows:
a roller drying method, the supplies are sent into the cylinder from one end of the cylinder, the supplies are conveyed backward along with the rotation of the cylinder, when the supplies reach the interface of the connecting tube section 1 and the material-moving section 2, because the annular baffle 23 blocks, the supplies can't cross the annular baffle 23 and enter the material-moving section 2, the supplies will enter the material-moving tube 21 from the material-passing opening 22 that the annular baffle 23 opens, the material-moving tube 21 rotates along with the cylinder, and the material-moving tube 21 is set up obliquely relative to the axis of the cylinder, the feeding direction of the obliquely-set material-moving tube can be changed by changing the rotation direction of the cylinder, therefore the material that one end of the material-moving tube 21 enters the material-moving tube 21 can be conveyed to the connecting tube section 1 of the other end in the course of rotation of the material-moving tube 21, the material after passing through the material-moving section 21 continues to convey backward along with the cylinder, namely the material passes through the whole length path of the cylinder; when the hot flue gas reaches the boundary between the connecting cylinder section 1 and the feeding section 2, the gaseous hot flue gas is not blocked by the annular baffle 23, and enters the feeding section 2 from the first air outlet 231 in the middle of the annular baffle 23, then enters the outer shell 3 through the second air outlet 211 formed between the feeding pipes 21, finally leaves the cylinder in advance through the air outlet 32, the hot flue gas overlaps the material in a section of the passing path of the cylinder, and the hot flue gas exchanges heat with the material in the overlapping section to heat and dry the material.
Therefore, by additionally arranging the gas-solid flow dividing device of the drying roller, the hot flue gas can be discharged in advance, the inconsistent design of the path length of the material passing through the roller and the path length of the hot flue gas passing through the roller is realized, and the design of more flexible heat exchange and heat preservation time is realized, so that the device is used as basic equipment to provide more technological design ideas.
The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.
Claims (8)
1. The utility model provides a stoving cylinder gas-solid diverging device, locates the cylinder middle part in order to separate material and hot flue gas, its characterized in that: including two sections connecting cylinder sections, locate the material section of walking between two sections connecting cylinder sections, wrap up in the outer shell of walking the material section, walk the material section including a plurality of material pipes, each material pipe of walking is pressed close to cylinder section of thick bamboo wall setting, and material pipe both ends are formed with the material mouth of passing, are equipped with annular baffle between connecting cylinder section and the material section of walking, the material mouth of passing is seted up on annular baffle, and annular baffle middle part forms first air exit, each material pipe interval arrangement is in order to form the second air exit that can make the flue gas pass through between walking the material pipe, be equipped with the gas outlet on the shell, the material is passed through the material pipe and is sent to the other end connecting cylinder section from one end connecting cylinder section, and hot flue gas gets into in the shell through first air exit, second air exit in proper order and is sent out from the gas outlet, each material pipe of walking is arranged around cylinder axis annular array, the material mouth of walking both ends is arranged with dislocation on two annular baffles to make material pipe connection two connecting cylinder sections for cylinder axis slope.
2. The drying drum gas-solid diverting device according to claim 1, characterized in that: and a part of the cylinder body of the roller forms the connecting cylinder section, the connecting cylinder section rotates along with the cylinder body, and the connecting cylinder section drives the feeding pipe section to rotate together.
3. The drying drum gas-solid diverting device according to claim 1, characterized in that: the length of the outer shell is greater than that of the feeding section so as to completely wrap the feeding section inside the outer shell.
4. A dryer drum gas-solid diverting device according to claim 3, characterized in that: the outer shell is fixedly arranged, and the front side and the rear side of the outer shell are in rotatable airtight connection with the connecting cylinder section through a mechanical sealing mechanism.
5. The drying drum gas-solid separation device according to claim 4, wherein: the mechanical sealing mechanism is a labyrinth sealing mechanism.
6. The drying drum gas-solid diverting device according to claim 1, characterized in that: the air outlet is arranged at the upper part of the outer shell.
7. A drying drum, characterized in that: a drying drum gas-solid diverting device comprising any of claims 1-6.
8. A roller drying method is characterized in that: a dryer drum according to claim 7, comprising:
the method comprises the steps that firstly, materials are fed into a roller from one end of the roller, are conveyed backwards along with rotation of the roller, when the materials reach the boundary of a connecting cylinder section and a material conveying section, the materials cannot cross over the annular baffle to enter the material conveying section due to the blocking of the annular baffle, enter a material conveying pipe from a material passing opening formed in the annular baffle, reach the connecting cylinder section on the other side through the material conveying pipe, and are conveyed backwards continuously to complete the whole length path of the cylinder;
step two, simultaneously with the step one, hot flue gas is formed from one end of the roller and enters the roller, when the hot flue gas reaches the boundary of the connecting cylinder section and the feeding section, gaseous hot flue gas is not blocked by the annular baffle plate, and enters the feeding section from a first air outlet in the middle of the annular baffle plate, then enters the outer shell through a second air outlet formed among the feeding pipes, and finally leaves the roller in advance through the air outlet;
and thirdly, the length of the passage path of the hot smoke and the material in the roller is inconsistent, but the passage path of the hot smoke and the passage path of the material in the roller are overlapped, and the hot smoke and the material exchange heat at the overlapped section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967109.5A CN110749174B (en) | 2019-10-12 | 2019-10-12 | Drying roller gas-solid diversion device and drying roller and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967109.5A CN110749174B (en) | 2019-10-12 | 2019-10-12 | Drying roller gas-solid diversion device and drying roller and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110749174A CN110749174A (en) | 2020-02-04 |
| CN110749174B true CN110749174B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910967109.5A Active CN110749174B (en) | 2019-10-12 | 2019-10-12 | Drying roller gas-solid diversion device and drying roller and method |
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| Country | Link |
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| CN (1) | CN110749174B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB653384A (en) * | 1947-03-31 | 1951-05-16 | Svenska Flaektfabriken Ab | Improvements in or relating to drying drums for use in drying material in the form of small pieces |
| CN102307681A (en) * | 2008-07-21 | 2012-01-04 | S·Y·维尔奇科 | Method for processing materials in a drum-type apparatus and a device for carrying out said method |
| CN206784117U (en) * | 2017-04-12 | 2017-12-22 | 天津沧田科技发展有限公司 | A kind of asphalt regenerative system |
| CN206875873U (en) * | 2017-05-15 | 2018-01-12 | 四川宜宾长江化工有限公司 | Compoiste fertilizer produces drying plant |
| CN207163132U (en) * | 2017-08-14 | 2018-03-30 | 江苏谷阳农业机械有限公司 | A kind of horizontal grain dryer of built-in twin-roll |
| CN108443862A (en) * | 2018-03-06 | 2018-08-24 | 张英华 | Three agricultural products driers and control method |
| CN211204732U (en) * | 2019-10-12 | 2020-08-07 | 福建南方路面机械股份有限公司 | Gas-solid flow dividing device of drying roller and drying roller |
-
2019
- 2019-10-12 CN CN201910967109.5A patent/CN110749174B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB653384A (en) * | 1947-03-31 | 1951-05-16 | Svenska Flaektfabriken Ab | Improvements in or relating to drying drums for use in drying material in the form of small pieces |
| CN102307681A (en) * | 2008-07-21 | 2012-01-04 | S·Y·维尔奇科 | Method for processing materials in a drum-type apparatus and a device for carrying out said method |
| CN206784117U (en) * | 2017-04-12 | 2017-12-22 | 天津沧田科技发展有限公司 | A kind of asphalt regenerative system |
| CN206875873U (en) * | 2017-05-15 | 2018-01-12 | 四川宜宾长江化工有限公司 | Compoiste fertilizer produces drying plant |
| CN207163132U (en) * | 2017-08-14 | 2018-03-30 | 江苏谷阳农业机械有限公司 | A kind of horizontal grain dryer of built-in twin-roll |
| CN108443862A (en) * | 2018-03-06 | 2018-08-24 | 张英华 | Three agricultural products driers and control method |
| CN211204732U (en) * | 2019-10-12 | 2020-08-07 | 福建南方路面机械股份有限公司 | Gas-solid flow dividing device of drying roller and drying roller |
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| Publication number | Publication date |
|---|---|
| CN110749174A (en) | 2020-02-04 |
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Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Applicant after: Fujian Nanfang pavement machinery Co.,Ltd. Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Applicant before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |
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