CN114812153A - Continuous type drying device is used in gesso production - Google Patents
Continuous type drying device is used in gesso production Download PDFInfo
- Publication number
- CN114812153A CN114812153A CN202210463037.2A CN202210463037A CN114812153A CN 114812153 A CN114812153 A CN 114812153A CN 202210463037 A CN202210463037 A CN 202210463037A CN 114812153 A CN114812153 A CN 114812153A
- Authority
- CN
- China
- Prior art keywords
- feeding roller
- gypsum powder
- snap ring
- combustion chamber
- screening
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 64
- 239000010440 gypsum Substances 0.000 claims abstract description 64
- 239000000843 powder Substances 0.000 claims abstract description 62
- 238000012216 screening Methods 0.000 claims abstract description 46
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/30—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors
- F26B17/32—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors the movement being in a horizontal or slightly inclined plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
-
- 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
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
Abstract
The invention discloses a continuous drying device for gypsum powder production, which comprises a combustion chamber, a feeding roller, a water vapor discharge device and a screening chamber, wherein a gas pipe is arranged in the combustion chamber, a gas nozzle is connected onto the gas pipe, the feeding roller is installed on the gas nozzle, the feeding roller is provided with a plurality of sections, adjacent feeding rollers are connected through the water vapor discharge device, the water vapor discharge device comprises a lower snap ring, an upper snap ring and a flow guide pipe, the lower snap ring and the upper snap ring are encircled to form an annular support matched with the outline of the feeding roller, an air inlet is processed on the upper snap ring, the air inlet is connected with the flow guide pipe, and the screening chamber is connected to the tail end of the feeding roller. According to the invention, the feeding roller is arranged in the combustion chamber, the screening chamber is arranged at the tail end of the feeding roller, the gypsum powder can be continuously dried, meanwhile, the powdery gypsum powder can be separated under the action of the screening chamber, and the gypsum powder separation efficiency can be improved by utilizing the characteristic that the dried gypsum powder is easy to float.
Description
Technical Field
The invention relates to the field of gypsum powder production, in particular to a continuous drying device for gypsum powder production.
Background
The existing gypsum powder drying is mostly realized by adopting a rotary kiln, but the rotary kiln occupies a large area and has high energy consumption, so that the production cost of the gypsum powder is higher, and therefore, equipment capable of reducing the gypsum powder drying cost is needed for producing the gypsum powder.
Disclosure of Invention
The invention aims to provide a continuous drying device for producing gypsum powder, which can be used for continuously drying gypsum powder and has the advantages of small occupied area and low production investment.
The purpose of the invention is realized by the following technical scheme:
a continuous drying device for producing gypsum powder, which comprises a combustion chamber, a feeding roller, a water vapor discharge device and a screening chamber, the combustion chamber is of a hollow structure, a gas pipe is arranged in the hollow combustion chamber, a gas nozzle extending into the combustion chamber is connected on the gas pipe, a horizontally arranged feeding roller is arranged in the combustion chamber above the gas nozzle, the feeding rollers are provided with a plurality of sections, adjacent feeding rollers are connected through a water vapor discharge device, the water vapor discharge device comprises a lower snap ring, an upper snap ring and a guide pipe, the lower snap ring and the upper snap ring are encircled to form an annular support matched with the outline of the feeding roller, the outer wall of the lower snap ring is provided with a support leg connected with the combustion chamber, the inner wall of the lower snap ring is provided with a circle of steel balls for supporting the feeding roller, an air inlet is formed in the upper clamping ring, a flow guide pipe is connected to the air inlet, and a screening chamber is connected to the tail end of the feeding roller.
The screening chamber comprises a box body, a screening plate, supporting plates, net plates, an air heater and a dust remover, wherein the screening plate is vertically arranged in the middle of the box body and separates the box body into two parts, through holes are formed in the screening plate, a plurality of supporting plates are arranged on the inner wall of the box body close to one side of the feeding roller, the heights of the adjacent supporting plates are sequentially reduced and extend towards the screening plate, the net plates connected with the other supporting plate are arranged on one side of each supporting plate close to the screening plate, a flow guide groove for gypsum powder to flow out is formed in the box body below the screening plate and the adjacent supporting plates, the air heater is arranged below the supporting plates, the outlet of the air heater faces towards the net plates, the inlet of the air heater is located at the top in the combustion chamber, the screening plate is far away from the top of one side of the feeding roller and is provided with the dust remover, and a dust hopper matched with the dust remover is arranged at the bottom of the box body.
And the inner wall of the feeding roller is provided with material pushing plates which are spirally distributed.
And a convex edge extending into the feeding roller is arranged on the side wall of the lower clamping ring close to one side of the screening chamber, and the material pushing plate is in clearance fit with the convex edge.
And a filter screen is arranged in the air inlet of the upper clamping ring.
The continuous drying device for producing the gypsum powder provided by the invention has the beneficial effects that:
(1) the feeding roller is arranged in the combustion chamber, the screening chamber is arranged at the tail end of the feeding roller, the gypsum powder can be continuously dried, meanwhile, the powdery gypsum powder can be separated under the action of the screening chamber, and the gypsum powder separation efficiency can be improved by utilizing the characteristic that the dried gypsum powder is easy to float;
(2) by arranging the water vapor discharging device, water vapor generated during drying of the gypsum powder can be discharged, and the influence of the water and the gypsum powder on the drying effect of the gypsum powder is effectively avoided;
(3) through set up the screening board in the screening room, send into the screening room once more through the tail gas that the air heater had the waste heat in with the combustion chamber simultaneously, blow up the gesso on the one hand, on the other hand is further dried the gesso once more, has guaranteed the drying efficiency of gesso to thermal utilization ratio in the tail gas can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a moisture discharge device according to an embodiment of the present invention.
Fig. 3 is a schematic view of an installation structure of the vapor discharging device and the feeding roller according to the embodiment of the invention.
Reference numerals: 1. a combustion chamber; 11. a gas pipe; 12. a gas nozzle; 2. a feeding roller; 21. a material pushing plate; 3. a water vapor discharge device; 31. a lower snap ring; 32. a snap ring is arranged; 33. a flow guide pipe; 34. a support leg; 35. steel balls; 36. an air inlet; 37. filtering with a screen; 38. a convex edge; 4. a screening chamber; 41. a box body; 42. a screening plate; 43. a support plate; 44. a screen plate; 45. a hot air blower; 46. a dust fall device; 47. a through hole; 48. a diversion trench; 49. a dust collecting hopper.
Detailed Description
Examples
As shown in fig. 1 to 3, the continuous drying device for producing gypsum powder provided in this embodiment includes a combustion chamber 1, a feeding roller 2, a water vapor discharging device 3 and a classifying chamber 4, wherein the combustion chamber 1 is of a hollow structure, a gas pipe 11 is arranged in the hollow combustion chamber 1, the gas pipe 11 is connected with a gas nozzle 12 extending into the combustion chamber 1, heat insulation cotton can be installed in the hollow combustion chamber 1 for reducing heat loss, a horizontally arranged feeding roller 2 is installed in the combustion chamber 1 above the gas nozzle 12, the feeding roller 2 has multiple sections, a material pushing plate 21 spirally distributed is arranged on the inner wall of each section of feeding roller 2, adjacent feeding rollers 2 are connected by the water vapor discharging device 3, water vapor generated by drying gypsum powder can be discharged by the water vapor discharging device 3, so as to prevent water vapor from contacting with gypsum powder again to affect the drying efficiency of gypsum powder, the water vapor discharging device 3 comprises a lower snap ring 31, an upper snap ring 32 and a flow guide pipe 33, the lower snap ring 31 and the upper snap ring 32 are surrounded to form an annular support matched with the outline of the feeding roller 2, the outer wall of the lower snap ring 31 is provided with a support leg 34 connected with the combustion chamber 1, the feeding roller 2 can be supported through the support leg 34, the distance between the feeding roller 2 and the gas nozzle 12 can be adjusted through the support leg 34, so that the heating effect is ensured, the inner wall of the lower snap ring 31 is provided with a circle of steel balls 35 for supporting the feeding roller 2, the steel balls 35 reduce the friction force with the feeding roller 2 so as to ensure the normal rotation of the feeding roller 2, the side wall of the lower snap ring 31 close to one side of the screening chamber 4 is provided with a convex edge 38 extending into the feeding roller 2, the convex edge 38 can prevent gypsum powder from flowing into the lower snap ring 31, on one hand, the normal rotation of the feeding roller 2 is ensured, on the other hand, and material leakage can be effectively avoided, the inner wall clearance fit of scraping wings 21 and protruding edge 38, when making feed roller 2 rotate, scraping wings 21 can promote the gypsum powder removal on snap ring 31 down, avoid the gypsum powder to pile up, it has air inlet 36 to process on the snap ring 32 to go up, is connected with honeycomb duct 33 on the air inlet 36, go up and be equipped with filter screen 37 in snap ring 32's the air inlet 36, filter screen 37 can filter out the gypsum powder to reduce the loss of gypsum powder, feed roller 2 end connection has screening room 4, screening room 4 includes box 41, screening board 42, backup pad 43, otter board 44, air heater 45 and dust fall ware 46, box 41 middle part vertical installation screens board 42 separates box 41 into two parts, is processed on the screening board 42 and has through-hole 47, installs polylith backup pad 43 on the box 41 inner wall near feed roller 2 one side, and the height of adjacent backup pad 43 reduces in proper order and extends to screening board 42, each supporting plate 43 is provided with a screen plate 44 connected with the other supporting plate 43 at one side close to the screening plate 42, a flow guide groove 48 for flowing gypsum powder is processed on the screening plate 42 and the box body 41 below the adjacent supporting plate 43, an air heater 45 is arranged below the supporting plate 43, the outlet of the air heater 45 faces the screen plate 44, the gypsum powder flows downwards along a channel formed by the supporting plates 43 and the screen plates 44 after entering the screening chamber 4, the gypsum powder can be further dried by matching with the air heater 45, meanwhile, the gypsum powder is lifted, the drying efficiency is improved, the inlet of the air heater 45 is positioned at the top in the combustion chamber 1, the air heater 45 can further utilize high-temperature hot gas in the combustion chamber 1 to reduce heat loss and improve the drying efficiency, the gypsum powder passes through the through hole 47 after being lifted by the air heater 45 and is used for separating powdery and dry gypsum to ensure the drying effect of the gypsum powder, screening board 42 is kept away from material feeding roller 2 one side top and is installed dust fall ware 46, and box 41 bottom processing has the dust hopper 49 with dust fall ware 46 complex, and dust fall ware 46 can be collected the gypsum powder that wafts, then falls into in dust hopper 49 under the condition of gypsum powder self gravity, and then discharge along guiding gutter 48 by kibbling cubic gypsum in the gypsum powder, smashes processing.
The using method of the invention is as follows:
when the gypsum powder dust remover is used, gas is conveyed through the gas pipe 11, the gas nozzle 12 is ignited by an igniter, gypsum powder to be dried is conveyed into the feeding roller 2 and drives the feeding roller 2 to rotate, when the feeding roller 2 rotates, the material pushing plate 21 pushes the gypsum powder to move in the feeding roller 2, meanwhile, steam evaporated during movement of the gypsum powder is conveyed into the flow guide pipe 33 through the air inlet 36 of the upper snap ring 32 and is discharged from the flow guide pipe 33 to avoid mixing of the steam with the gypsum powder again, the gypsum powder enters the sieving chamber 4 along the feeding roller 2 and falls on the supporting plate 43 and pushes the gypsum powder to continuously fall on the supporting plate 43 along with increase of the gypsum powder, at the moment, the hot air heater 45 is started to blow hot air into the sieving chamber 4 through the screen plate 44, the gypsum powder is heated again by the hot air and is simultaneously lifted to improve the contact area of the gypsum powder and the hot air, and then the dust remover 46 is started, air in the screening chamber 4, which is far away from one end of the feeding roller 2, of the screening plate 42 is drawn out to form negative pressure, the scattered gypsum powder penetrates through the screening plate 42 under the action of the negative pressure to enter the box body 41 where the dust falling device 46 is located, the gypsum powder is adsorbed by the dust falling device 46, the gypsum powder falls into the dust collecting hopper 49 when the gypsum powder has a certain amount, the continuous drying of the gypsum powder is completed, and blocks with large volume in the gypsum powder are discharged from the diversion trench 48 to wait for next crushing.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and procedures are omitted to avoid unnecessarily limiting the invention.
Claims (5)
1. The utility model provides a continuous type drying device is used in gesso production which characterized in that: including combustion chamber, feeding roller, steam discharging equipment and screening room, the combustion chamber is hollow structure, is equipped with the gas pipe in the hollow combustion chamber, is connected with the gas mouth that stretches into in the combustion chamber on the gas pipe, installs the feeding roller that the level set up in the combustion chamber of gas mouth top, the feeding roller has the multistage, connects through steam discharging equipment between the adjacent feeding roller, steam discharging equipment includes lower snap ring, last snap ring and honeycomb duct, snap ring and last snap ring surround down and constitute the annular of feeding roller profile adaptation and support, are equipped with the stabilizer blade of being connected with the combustion chamber on the outer wall of lower snap ring, are equipped with the steel ball that the round supported feeding roller on the inner wall of lower snap ring, it has the air inlet to go up to process on the snap ring, is connected with the honeycomb duct on the air inlet, feeding roller tail end is connected with the screening room.
2. The continuous drying device for producing gypsum powder of claim 1, wherein: the screening chamber comprises a box body, a screening plate, supporting plates, net plates, an air heater and a dust remover, wherein the screening plate is vertically arranged in the middle of the box body and separates the box body into two parts, through holes are formed in the screening plate, a plurality of supporting plates are arranged on the inner wall of the box body close to one side of the feeding roller, the heights of the adjacent supporting plates are sequentially reduced and extend towards the screening plate, the net plates connected with the other supporting plate are arranged on one side of each supporting plate close to the screening plate, a flow guide groove for gypsum powder to flow out is formed in the box body below the screening plate and the adjacent supporting plates, the air heater is arranged below the supporting plates, the outlet of the air heater faces towards the net plates, the inlet of the air heater is located at the top in the combustion chamber, the screening plate is far away from the top of one side of the feeding roller and is provided with the dust remover, and a dust hopper matched with the dust remover is arranged at the bottom of the box body.
3. The continuous drying device for producing gypsum powder of claim 1, wherein: and the inner wall of the feeding roller is provided with material pushing plates which are spirally distributed.
4. The continuous drying device for producing gypsum powder of claim 3, wherein: and a convex edge extending into the feeding roller is arranged on the side wall of the lower clamping ring close to one side of the screening chamber, and the material pushing plate is in clearance fit with the convex edge.
5. The continuous drying device for producing gypsum powder of claim 1, wherein: and a filter screen is arranged in the air inlet of the upper clamping ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210463037.2A CN114812153A (en) | 2022-04-28 | 2022-04-28 | Continuous type drying device is used in gesso production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210463037.2A CN114812153A (en) | 2022-04-28 | 2022-04-28 | Continuous type drying device is used in gesso production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114812153A true CN114812153A (en) | 2022-07-29 |
Family
ID=82508979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210463037.2A Pending CN114812153A (en) | 2022-04-28 | 2022-04-28 | Continuous type drying device is used in gesso production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114812153A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033009A1 (en) * | 1980-01-29 | 1981-08-05 | Kockums Construction Aktiebolag | Method and equipment for treating chopped crops |
| CN206670258U (en) * | 2017-04-15 | 2017-11-24 | 汤立军 | Dryer |
| CN108387079A (en) * | 2018-02-05 | 2018-08-10 | 全椒金竹机械制造有限公司 | A kind of high-efficiency grain-drying machine |
| CN209978543U (en) * | 2019-04-28 | 2020-01-21 | 长阳清江农机制造有限公司 | Particle combustion dryer |
| CN210922040U (en) * | 2019-09-12 | 2020-07-03 | 三门峡市永泰石膏科技股份有限公司 | High-strength gypsum powder drying machine |
| CN211120474U (en) * | 2019-12-31 | 2020-07-28 | 四川宜宾碎米芽菜有限公司 | Drying machine with cleaning structure |
| CN212205442U (en) * | 2020-04-08 | 2020-12-22 | 青岛海隆达生物科技有限公司 | Based on production of angelica keiskei tea is with low temperature baking equipment |
| CN215638651U (en) * | 2021-03-05 | 2022-01-25 | 湖南旺象食品科技有限公司 | Drying device for peanut processing |
| CN114370748A (en) * | 2022-01-24 | 2022-04-19 | 山东金格瑞机械有限公司 | A rotary drum drying equipment for fodder |
-
2022
- 2022-04-28 CN CN202210463037.2A patent/CN114812153A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0033009A1 (en) * | 1980-01-29 | 1981-08-05 | Kockums Construction Aktiebolag | Method and equipment for treating chopped crops |
| CN206670258U (en) * | 2017-04-15 | 2017-11-24 | 汤立军 | Dryer |
| CN108387079A (en) * | 2018-02-05 | 2018-08-10 | 全椒金竹机械制造有限公司 | A kind of high-efficiency grain-drying machine |
| CN209978543U (en) * | 2019-04-28 | 2020-01-21 | 长阳清江农机制造有限公司 | Particle combustion dryer |
| CN210922040U (en) * | 2019-09-12 | 2020-07-03 | 三门峡市永泰石膏科技股份有限公司 | High-strength gypsum powder drying machine |
| CN211120474U (en) * | 2019-12-31 | 2020-07-28 | 四川宜宾碎米芽菜有限公司 | Drying machine with cleaning structure |
| CN212205442U (en) * | 2020-04-08 | 2020-12-22 | 青岛海隆达生物科技有限公司 | Based on production of angelica keiskei tea is with low temperature baking equipment |
| CN215638651U (en) * | 2021-03-05 | 2022-01-25 | 湖南旺象食品科技有限公司 | Drying device for peanut processing |
| CN114370748A (en) * | 2022-01-24 | 2022-04-19 | 山东金格瑞机械有限公司 | A rotary drum drying equipment for fodder |
Non-Patent Citations (1)
| Title |
|---|
| 王启广等: "《采掘机械与支护设备》", 中国矿业大学出版社, pages: 24 - 26 * |
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Application publication date: 20220729 |