CN105627720A - Screw type drying tower - Google Patents
Screw type drying tower Download PDFInfo
- Publication number
- CN105627720A CN105627720A CN201610157953.8A CN201610157953A CN105627720A CN 105627720 A CN105627720 A CN 105627720A CN 201610157953 A CN201610157953 A CN 201610157953A CN 105627720 A CN105627720 A CN 105627720A
- Authority
- CN
- China
- Prior art keywords
- tower body
- spiral
- tower
- storehouse
- pipe
- 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
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
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
- F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
- F26B17/102—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis with material recirculation, classifying or disintegrating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
- B07B13/11—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects involving travel of particles over surfaces which separate by centrifugal force or by relative friction between particles and such surfaces, e.g. helical sorters
-
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a screw type drying tower. The screw type drying tower comprises a tower body, a feeding pipe, a hot air nozzle and a discharging pipe, wherein the tower body is vertically arranged; the screw type drying tower is characterized in that a spiral flow guide plate is arranged inside the tower body; the spiral flow guide plate spirally rises from bottom to top and extends into the tower body from the inner wall of the tower body; a lifting cabin is arranged at the bottom of the tower body; the hot air nozzle is communicated with the lifting cabin; a lifting blade is arranged inside the lifting cabin; the feeding pipe extends into the tower body via the tower body sidewall above the lifting cabin and is arranged below the spiral flow guide plate; the discharging pipe is horizontally arranged at the top of the tower body; the tail end of the discharging pipe is connected with a cyclone separator. Compared with the prior art, the screw type drying tower disclosed by the invention has the advantages that salt particles are separated by arranging the spiral flow guide plate, the separated fine salt particles enter the discharging pipe via the tower body, and the relatively large salt particles are crushed, rapidly dried and subsequently discharged, so qualified salt particles can be screened and dried and the drying effect is guaranteed.
Description
Technical field
The present invention relates to Chemical Industry Drying equipment technical field, in particular a kind of spiral drying tower.
Background technology
Drying plant is the equipment for being dried operation, makes the vaporization effusion of the hygroscopic water (referring generally to moisture or other volatile liquid components) in material by heating, to obtain the solid materials of regulation water capacity. General in chemical process, it is difficult to the salt grain to crystallization produces and carries out rapid drying, because the particle produced when crystallization of salt grain often includes a large amount of holes, the cavity of some hole or even a sealing, in these holes and cavity, liquid phase part is difficult to be scattered and disappeared by fast vaporizing, often need the heat energy of at substantial that whole salt grain is baked onto very high-temperature, after salt grain is blown, just can make it completely dry. Such scheme had both wasted a large amount of heat energy, cannot realize again large-scale production continuously.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it provides a kind of spiral drying tower.
The present invention is achieved by the following technical solutions: a kind of spiral drying tower, comprise tower body, feed-pipe, hot air spout and discharging pipe, tower body is vertically arranged, it is characterized in that: in tower body, be provided with spiral deflector, spiral deflector rises from bottom to top in the shape of a spiral, spiral deflector stretches in tower body from the inwall of tower body, it is provided with bottom tower body and promotes storehouse, hot air spout is connected with lifting storehouse, it is provided with in lifting storehouse and promotes oar sheet, by promoting, the tower body sidewall above storehouse stretches in tower body feed-pipe, feed-pipe is arranged on the lower section of spiral deflector, tower body top horizontal is provided with discharging pipe, the end of discharging pipe is connected with cyclonic separator.
As further improvement of these options, the width of spiral deflector equals the radius length of tower body cavity.
As further improvement of these options, the center of spiral deflector being provided with reinforcement axostylus axostyle, spiral deflector is tilted to lower sensing from tower body inwall and strengthens axostylus axostyle, and its inclination angle is 7��9 ��.
As further improvement of these options, arranging transition section in tower body bottom, transition section is up-small and down-big horn-like, and feed-pipe stretches in tower body from the tower wall of transition section.
As further improvement of these options, the entrance direction of hot air spout is tangent with the bulkhead promoting storehouse, hot blast enters can do moving on screw along the bulkhead promoting storehouse after promoting storehouse, the sense of rotation promoting oar sheet is consistent with the sense of rotation of hot blast, and the hand of spiral of spiral deflector is also consistent with the sense of rotation of hot blast.
As further improvement of these options, the inwall at tower body is provided with crushing cutting edge.
As further improvement of these options, spiral deflector from bottom to top its pitch increase gradually.
The present invention has the following advantages compared to existing technology: by the setting of spiral deflector, salt grain is carried out sorting, the salt grain sub-electing fine particle enters discharging pipe by tower body, and make the salt grain of larger particles through broken, discharge again after rapid drying, play the effect of the dry qualified salt grain of screening, ensure dry effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the part sectioned view of tower body portion.
Embodiment
Doing embodiments of the invention to illustrate in detail below, the present embodiment is implemented under premised on technical solution of the present invention, gives detailed enforcement mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
A kind of spiral drying tower, comprise tower body 1, feed-pipe 2, hot air spout 3 and discharging pipe 4, tower body 1 is vertically arranged, it is characterized in that: in tower body 1, be provided with spiral deflector 8, spiral deflector 8 rises from bottom to top in the shape of a spiral, spiral deflector 8 stretches in tower body 1 from the inwall of tower body 1, it is provided with bottom tower body 1 and promotes storehouse 6, hot air spout 3 is connected with lifting storehouse 6, it is provided with in lifting storehouse 6 and promotes oar sheet 61, by promoting, tower body 1 sidewall above storehouse 6 stretches in tower body 1 feed-pipe 2, feed-pipe 2 is arranged on the lower section of spiral deflector 8, tower body 1 top horizontal is provided with discharging pipe 4, the end of discharging pipe 4 is connected with cyclonic separator 5. it is transported in drying tower by the salt grain after crystallization is filtered by feed-pipe 2, promote oar sheet 61 and can accelerate hot gas flow flow velocity upwards further, salt grain is made to contact the surface-moisture that scatters and disappears fast in decline process with the hot gas flow risen, at this moment the salt grain that particle is less upwards can move along with thermal updrafts, the salt grain that particle is bigger then can to whereabouts, finally contact with the lifting oar sheet 61 of fast rotational, it is broken into small Particle salt grain by lifting oar sheet 61, it is thus possible to rise with hot gas flow, after smashing, moisture in the salt grain of macrobead also can by rapid evaporation, accelerate drying process, the salt grain risen can do spiral along it after running into spiral deflector 8, gas-particle two-phase is made greatly to increase duration of contact in the process, the more thorough of salt grain drying can be made, simultaneously in spiralling process, the salt grain of larger particles can be thrown to tower body 1 inwall, lose kinetic energy, final falling after rise extremely promotes oar sheet 61 place, again more small particle size it is crushed to, less particle diameter can ensure that the moisture of granule interior can effectively be scattered and disappeared, thus ensure dry effect, the salt grain of final small-particle can enter discharging pipe 4 by spiral deflector 8, dried salt grain is obtained by cyclonic separator 5 gas solid separation. complete assembly can not only reach quick-drying object, also serves effect that is broken for salt grain and particle size sorting, finally can obtain the salt grain that the degree of drying of small-particle is high.
The width of spiral deflector 8 equals the radius length in tower body 1 chamber. The width that spiral flows backwards is arranged like this, the cross section that it shelters from tower body 1 completely can be made, thus prevent the formation of air-flow straight up, one upstream every all to be rotated, avoid " wearing stream ", thus ensure that the screening for salt grain particle diameter in upstream, make the salt grain of macrobead can not arrive discharging pipe 4 along with air-flow fast, thus prevent salt in harge granules grain to be mingled with moisture, ensure the effect simultaneously improving sorting of drying effect.
Being provided with at the center of spiral deflector 8 and strengthen axostylus axostyle 81, spiral deflector 8 is tilted to lower sensing from tower body 1 inwall and strengthens axostylus axostyle 81, and its inclination angle is 7��9 ��. Strengthening axostylus axostyle 81 can make spiral deflector 8 more firm, enable to bear the impact of upstream at a high speed, salt grain can collide with the salt grain risen in spiral deflector 8 upper surface decline process, easily collide and result in blockage, the setting at inclination angle can make the salt grain of decline concentrate near the axis of tower body 1, and the shortest along the route of the decline of axis, it is possible to ensures that the salt grain of macrobead rapidly drops to and promotes storehouse 6, smashed by lifting oar sheet 61, ensure dry and broken effect.
Arranging transition section 7 in tower body 1 bottom, transition section 7 is in up-small and down-big horn-like, and feed-pipe 2 stretches in tower body 1 from the tower wall of transition section 7. owing to being provided with spiral deflector 8 in tower body 1, for ensureing separating effect, tower body 1 needs to arrange the dye bigger in length-to-diameter ratio, and promote and storehouse 6 is provided with lifting oar sheet 61, for ensureing upstream at a high speed and powerful crushing force, the length promoting oar sheet 61 must be bigger, thus it requires promote storehouse 6 be there is very big radius size, tower body 1 is entered by what arrange that transition section 7 can make gas flow smooth, reduce power loss, reducing due to sectional area simultaneously, wind speed in tower body 1 can also exceed much than the wind speed promoted in storehouse 6, be conducive to scattering and disappearing fast of moisture, the separating effect for salt grain can also be strengthened simultaneously.
The entrance direction of hot air spout 3 is tangent with the bulkhead promoting storehouse 6, hot blast enters can do moving on screw along the bulkhead promoting storehouse 6 after promoting storehouse 6, the sense of rotation promoting oar sheet 61 is consistent with the sense of rotation of hot blast, and the hand of spiral of spiral deflector 8 is also consistent with the sense of rotation of hot blast. By by unified for the sense of rotation of hot blast, lifting oar sheet 61 and spiral deflector 8, synergy can be produced, produce spiral air-flow fast, all rotate along a direction from start to finish after making salt grain enter tower body 1, avoid the short stay in steering procedure, thus avoid stifled material phenomenon, ensure carrying out smoothly of whole drying and sorting shattering process.
Inwall at tower body 1 is provided with crushing cutting edge 11. For strengthening crushing effect, the inwall of tower body 1 is set up crushing cutting edge 11, the salt in harge granules grain with enough energy is collided and is broken into small Particle salt grain, need not return to again and promote storehouse 6 fragmentation, the amount of the salt grain backflowed can be reduced in tower body 1 by such design, increase the processing power of drying tower.
Spiral deflector 8 from bottom to top its pitch increase gradually. Such setting can form effective point constituency of fast rotational in bottom, the salt grain making particle diameter excessive can not enter tower body 1 top, also can effectively reduce the kinetic energy rejection of salt grain in the tower body 1 of upper part simultaneously, make it to enter discharging pipe 4 smoothly, while ensureing the duration of contact of gas-solid phase, ensure the treatment capacity of drying tower.
These are only the better embodiment of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. done within the spirit and principles in the present invention, all should be included within protection scope of the present invention.
Claims (7)
1. a spiral drying tower, comprise tower body, feed-pipe, hot air spout and discharging pipe, described tower body is vertically arranged, it is characterized in that: in tower body, be provided with spiral deflector, described spiral deflector rises from bottom to top in the shape of a spiral, spiral deflector stretches in tower body from the inwall of tower body, it is provided with bottom described tower body and promotes storehouse, described hot air spout is connected with lifting storehouse, it is provided with in lifting storehouse and promotes oar sheet, by promoting, the tower body sidewall above storehouse stretches in tower body described feed-pipe, described feed-pipe is arranged on the lower section of spiral deflector, tower body top horizontal is provided with discharging pipe, the end of discharging pipe is connected with cyclonic separator.
2. a kind of spiral drying tower as claimed in claim 1, it is characterised in that: the width of described spiral deflector equals the radius length of tower body cavity.
3. a kind of spiral drying tower as claimed in claim 2, it is characterised in that: the center of spiral deflector is provided with reinforcement axostylus axostyle, and described spiral deflector is tilted to lower sensings reinforcement axostylus axostyle from tower body inwall, and its inclination angle is 7��9 ��.
4. a kind of spiral drying tower as claimed in claim 1, it is characterised in that: arranging transition section in tower body bottom, described transition section is up-small and down-big horn-like, and described feed-pipe stretches in tower body from the tower wall of transition section.
5. a kind of spiral drying tower as claimed in claim 1, it is characterized in that: the entrance direction of described hot air spout is tangent with the bulkhead promoting storehouse, hot blast enters can do moving on screw along the bulkhead promoting storehouse after promoting storehouse, the sense of rotation of described lifting oar sheet is consistent with the sense of rotation of hot blast, and the hand of spiral of described spiral deflector is also consistent with the sense of rotation of hot blast.
6. a kind of spiral drying tower as claimed in claim 1, it is characterised in that: the inwall of tower body is provided with crushing cutting edge.
7. a kind of spiral drying tower as claimed in claim 1, it is characterised in that: described spiral deflector from bottom to top its pitch increase gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157953.8A CN105627720A (en) | 2016-03-18 | 2016-03-18 | Screw type drying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157953.8A CN105627720A (en) | 2016-03-18 | 2016-03-18 | Screw type drying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105627720A true CN105627720A (en) | 2016-06-01 |
Family
ID=56042880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610157953.8A Pending CN105627720A (en) | 2016-03-18 | 2016-03-18 | Screw type drying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105627720A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2619905C1 (en) * | 2016-06-27 | 2017-05-19 | Федеральное государственное бюджетное учреждение науки Институт теплофизики им. С.С. Кутателадзе Сибирского отделения Российской академии наук (ИТ СО РАН) | Mill-dryer for crushing, selective grinding and drying polymineral waste |
| CN106765204A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt annealing device |
| CN106765205A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt drying and incinerating purifier based on injection rotary drying |
| CN106766683A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of floated abraum salt annealing device |
| CN106766682A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt drying and incinerating purifier based on radiation rotary drying |
| CN108315027A (en) * | 2018-02-11 | 2018-07-24 | 武汉凯迪工程技术研究总院有限公司 | Carbon containing biomass material carbonizes powder integral method processed and its system |
| CN109269225A (en) * | 2018-11-30 | 2019-01-25 | 上海天晓环保工程有限公司 | A kind of wet desulphurization gypsum drying process device |
| CN110595157A (en) * | 2019-10-02 | 2019-12-20 | 祝磊 | Grain dryer |
| CN111306925A (en) * | 2020-03-27 | 2020-06-19 | 周全红 | Petrochemical environmental protection drying equipment |
| CN112742335A (en) * | 2021-03-03 | 2021-05-04 | 中核能源科技有限公司 | Premixing reaction device |
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| CN204194080U (en) * | 2014-09-19 | 2015-03-11 | 山东瑞特精细化工有限公司 | Polyacrylamide heating flash evaporation impurity removal means |
| CN105258479A (en) * | 2015-10-30 | 2016-01-20 | 重庆渝西面制品有限公司 | Drying device for making flour |
| CN205718366U (en) * | 2016-03-18 | 2016-11-23 | 李书龙 | A kind of spiral drying tower |
-
2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2191398Y (en) * | 1993-07-23 | 1995-03-08 | 沈阳市三友干燥设备厂 | Whirlwind flash drier |
| CN2815487Y (en) * | 2005-08-12 | 2006-09-13 | 周凤举 | Internal back streaming tower fluidized_bed reactor with habyrinth helical fin diversion baffle |
| KR20100121114A (en) * | 2009-05-08 | 2010-11-17 | 이봉왕 | A alien material separator from food garbage |
| CN201527161U (en) * | 2009-11-05 | 2010-07-14 | 兰州瑞德干燥技术有限公司 | Novel pneumatic dryer for preparing an oil-refining catalyst |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2619905C1 (en) * | 2016-06-27 | 2017-05-19 | Федеральное государственное бюджетное учреждение науки Институт теплофизики им. С.С. Кутателадзе Сибирского отделения Российской академии наук (ИТ СО РАН) | Mill-dryer for crushing, selective grinding and drying polymineral waste |
| CN106765204A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt annealing device |
| CN106765205A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt drying and incinerating purifier based on injection rotary drying |
| CN106766683A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of floated abraum salt annealing device |
| CN106766682A (en) * | 2016-12-29 | 2017-05-31 | 安徽今朝环保科技有限公司 | A kind of abraum salt drying and incinerating purifier based on radiation rotary drying |
| CN108315027B (en) * | 2018-02-11 | 2023-10-24 | 武汉凯迪工程技术研究总院有限公司 | Carbonization and pulverization integrated method and system for carbonaceous biomass material |
| CN108315027A (en) * | 2018-02-11 | 2018-07-24 | 武汉凯迪工程技术研究总院有限公司 | Carbon containing biomass material carbonizes powder integral method processed and its system |
| CN109269225A (en) * | 2018-11-30 | 2019-01-25 | 上海天晓环保工程有限公司 | A kind of wet desulphurization gypsum drying process device |
| CN109269225B (en) * | 2018-11-30 | 2023-08-22 | 上海天晓环保工程有限公司 | Wet flue gas desulfurization gypsum drying treatment device |
| CN110595157A (en) * | 2019-10-02 | 2019-12-20 | 祝磊 | Grain dryer |
| CN111306925A (en) * | 2020-03-27 | 2020-06-19 | 周全红 | Petrochemical environmental protection drying equipment |
| CN111306925B (en) * | 2020-03-27 | 2021-11-02 | 东营联合石化有限责任公司 | Petrochemical environmental protection drying equipment |
| CN112742335A (en) * | 2021-03-03 | 2021-05-04 | 中核能源科技有限公司 | Premixing reaction device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |
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| RJ01 | Rejection of invention patent application after publication |