CN107990689A - Turbulent eddy flow negative pressure drying machine - Google Patents
Turbulent eddy flow negative pressure drying machine Download PDFInfo
- Publication number
- CN107990689A CN107990689A CN201711408153.XA CN201711408153A CN107990689A CN 107990689 A CN107990689 A CN 107990689A CN 201711408153 A CN201711408153 A CN 201711408153A CN 107990689 A CN107990689 A CN 107990689A
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- China
- Prior art keywords
- cavity
- turbulent
- eddy flow
- negative pressure
- drying machine
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- 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.)
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- 238000001035 drying Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 55
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000009965 odorless effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000003834 intracellular effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 230000008542 thermal sensitivity Effects 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005653 Brownian motion process Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of turbulent eddy flow negative pressure drying machine, including engine base, the turbulent section and eddy flow section communicated is fixed with the engine base, the turbulent flow section includes cavity, the cavity bottom is equipped with hot wind inlet, be equipped with moist material import above the hot wind inlet, the cavity upper end is equipped with hot-blast outlet, and bottom is equipped with can high-speed rotating cutter in the cavity；The eddy flow section includes back taper cavity, and the air inlet being connected with the hot-blast outlet is equipped with the top of the back taper cavity, discharge pipe is connected with the back taper cavity.This drying machine drying effect is good, and drying efficiency is high, significantly saves energy consumption, and whole system clean hygiene odorless, solves the problems, such as the drying of difficult dehydrated material.
Description
Technical field
The present invention relates to drying equipment, in particular to a kind of turbulent eddy flow negative pressure drying machine.
Background technology
In dry field, moist material is mainly dried by hot whirlwind, when it is difficult the material of dehydration to meet some,
Such as：Sludge with thermal sensitivity, containing biological intracellular water, problems with is primarily present when being dried with existing drying equipment：1) it is big
In the cell, existing dry technology really could not fundamentally remove these moisture substantially, be extremely difficult to for the moisture storage of amount
Drying effect；2) since material has thermal sensitivity, simple to evaporate these moisture in fact by improving dry temperature, this is
Perplex the technical barrier of related practitioner always；3) common drying equipment is during dried material, due to internal pressure compared with
Greatly, usually stink distributes, and dust particles are excessive, are not only difficult to reach environmental protection index, and the phenomenon that disturbs residents is serious；4)
Existing dry technology can allow drying process time long enough, this also extra increase to reduce the last moisture content of material as far as possible
The energy consumption and cost of processing.
The content of the invention
Present invention aim to provide a kind of turbulent eddy flow negative pressure drying machine, which dries difficult dehydrated material
Effect is good, and drying efficiency is high, safety and sanitation odorless.
To achieve the above object, the technical solution adopted by the present invention is：A kind of turbulent flow eddy flow negative pressure drying machine, including machine
, the turbulent section and eddy flow section being connected are fixed with the engine base, the turbulent flow section includes cavity, and the cavity bottom is equipped with
Hot wind inlet, is equipped with moist material import above the hot wind inlet, and the cavity upper end is equipped with hot-blast outlet, in the cavity
Bottom is equipped with can high-speed rotating cutter；The eddy flow section includes back taper cavity, is equipped with and the heat at the top of the back taper cavity
The connected air inlet in wind outlet, the back taper cavity is interior to be equipped with discharge pipe.
Further, the moist material import and the cutter rotation round are tangent.
Further, the back taper cavity bottom is equipped with and helps flow structure.
Further, the outlet air bottom of the tube is equipped with infundibulate air inlet, and the infundibulate air inlet is low wide and up narrow formula
Hollow structure, the discharge pipe top are equipped with straight-through air outlet.
Further, described to help flow structure to include central raised and edge protuberance, described central raised and described edge is convex
Ring-shaped depression is equipped between rising, it is described central raised positioned at the underface of the infundibulate air inlet.
Further, equipped with multiple rows of baffle array component for being used to strengthen turbulent flow effect in the cavity.
Further, the outlet air length of tube 70~90% is stretched into the back taper cavity.
Further, the cavity is cylindrical, and top and bottom are closed.
Further, the back taper cavity is with a narrow upper and lower width cone-shaped, and top and bottom are closed.
Further, the air inlet is spiral case air inlet, the inlet air direction of the air inlet and the back taper cavity
Top circumference it is tangent.
Compared with prior art, the present invention has the following advantages：
First, drying effect is good, drying efficiency is high：The drying side that the present invention is combined using turbulent flow heating with cyclone drying
Formula, can be reduced to less than 15% (50 DEG C~80 DEG C by moisture content for 20~80% moist material moisture content in a short period of time
In the drying atmosphere of -0.01~-0.09 gauge pressure of operating temperature coupled system negative pressure in section, biological cell wall can be effectively destroyed
Intracellular water is discharged, the material of high, the water containing intracellular, the difficult dehydration of thermal sensitivity to moisture content 20~80% is in 20 seconds
The moisture content of drying to 5%~15%), drying efficiency is very high.Not only drying efficiency is high by the present invention, also with energy consumption it is low and
The advantages of clean hygiene odorless, it is often more important that the present invention is in difficult dehydrated material to thermal sensitivity, containing intracellular water negative
The dried material calorific value obtained after being dried under pressure and cryogenic conditions is very high, is high value added product.
Second, the turbulent section of the present invention, in turbulent heating process, strong turbulent flow brings following effect to material：
First, can continue that strong shock, property occurs between material and material, between material and cavity, between material and cutter
Material will complete powdered in this process, particle obtains minimum weight, easy to material as air-flow moves together；Second,
Since Brownian movement is the completely random state in track, so the intergranular collision frequency is then improved than direct current or eddy flow
Hundreds times or even thousands of times, this process has further deepened the heating degree and powdered degree of material；3rd, due to material
Powdered it is very abundant, the area of material heating surface also greatly increases, this is the major reason that moisture evaporation is further speeded up；
4th, it is heating and drying than direct current or eddy flow since the residence time is very short in Brownian motion process of the material in this stove
Speed has been substantially improved, and a certain amount of material generally can complete desiccation at ten seconds or so so that the dry effect of whole equipment
Rate becomes very high.
Third, the present invention turbulent flow section can form strong turbulent flow, due to turbulent flow carry out very acutely, material is in turbulent eddy flow
The turbulent section residence time of negative pressure drying machine is extremely short, after this level-one drying process is quick, then advances to turbulent rotation
In the eddy flow section for flowing negative pressure drying machine, since this level-one swirl path is longer, the material of the desiccation overwhelming majority is at this
More sufficient drying time can be obtained during level is dry, material moisture can be reduced further.
Fourth, the eddy flow section of the present invention, moist material forms eddy flow shape after upper end air inlet tangentially enters back taper cavity
State flows to lower end funnel type air outlet, then is flowed out through discharge pipe, equivalent to the stroke for adding moist material eddy flow, extends dry
The dry time；The flow velocity of material gradually increases through moisture, and water evaporation rate is accelerated, and effectively increases drying efficiency, and dry
Dry time lengthening, dries moist material more abundant, drying effect is more obvious.Wherein, flow structure and infundibulate air outlet are helped
The effect that strong air-flow raises up is collectively forming, the material to bottom strongly introduces the discharge pipe of top again in the future, continuously
And material is transported away in time.
Fifth, the present invention significantly saves energy consumption, common drying equipment, since ability is right after obtaining higher temperature
Processing is dried in material, this inherently needs very big energy consumption；And the operating temperature of this drying equipment keeps low temperature high
Effect ground reaches drying effect, and for the treatment temperature than common hundreds of easily degrees Celsius, this technical characterstic will bring pole
Big energy-saving effect.
Sixth, safety and sanitation, odorless：Stink can be efficiently controlled for material frowzy, present device
Distribute, also without the excessive of dust particle, completely hygienic environment-protecting.
Seventh, present invention manufacture cost is low, easy to operate, easy to maintain.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of turbulent eddy flow negative pressure drying machine.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is the partial enlargement structural representation of Fig. 2.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, easy to more clearly understand the present invention, but they
The present invention is not formed and limited.
Turbulent eddy flow negative pressure drying machine shown in Fig. 1, Fig. 2, including engine base 1, are fixed with the turbulent section 2 communicated on engine base 1
With eddy flow section 3, turbulent section 2 includes cavity 2.1, and cavity 2.1 is in hollow cylindrical, and top and bottom are closed, 2.1 inner wall of cavity
Top is equipped with multiple rows of baffle array 2.6 for being used to strengthen turbulent flow, and 2.1 bottom of cavity is equipped with hot wind inlet 2.2, hot wind inlet 2.2
Top is equipped with moist material import 2.3, and 2.1 upper end of cavity is equipped with hot-blast outlet 2.4, and bottom is equipped with by motor band in cavity 2.1
It is dynamic can high-speed rotating cutter 2.5, moist material import 2.3 and 2.5 rotation round of cutter are tangent, cutter direction of rotation and inlet air
Direction is opposite, to form strong opposite cutting and hit.
In such scheme, with reference to shown in Fig. 3, eddy flow section 3 includes back taper cavity 3.1, and back taper cavity 3.1 is with a narrow upper and lower width
Cone-shaped, top and bottom are closed, and 3.1 side wall top of back taper cavity is equipped with the air inlet 3.2 being connected with hot-blast outlet 2.4, into
Air port 3.2 is spiral case air inlet, and the inlet air direction of air inlet 3.2 and the top circumference of the back taper cavity 3.1 are tangent, air inlet
3.2 is tangent with back taper cavity 3.1；Discharge pipe 3.3 is connected with back taper cavity 3.1,3.3 length 70~90% of discharge pipe stretches into down
Bore in cavity 3.1,3.3 bottom of discharge pipe is equipped with infundibulate air inlet 3.5, and infundibulate air inlet 3.5 is hollow for low wide and up narrow formula
Structure, the top of discharge pipe 3.3 are equipped with straight-through air outlet 3.6；3.1 bottom of back taper cavity is equipped with and helps flow structure 3.4, helps flow structure
3.4 include central raised 3.41 and edge protuberance 3.42, and it is recessed that annular is equipped between central raised 3.41 and edge protuberance 3.42
Fall into 3.43, central raised 3.41 underfaces for being located at infundibulate air inlet 3.5.
The operation principle and flow of above-mentioned turbulent flow eddy flow negative pressure drying machine are as follows：
Turbulent eddy flow negative pressure drying machine leading portion is turbulent pulverizing heating active section, and back segment is rotational flow evaporating active section.Whole
During the work of turbulent eddy flow negative pressure drying machine, using conveyer by the material (moisture content 20~80%) of processing to be dried from damp mass
Material import 2.3 is added in the cavity 2.1 of turbulent section 2, and is fallen into bottom and smashed by high speed rotating tool 2.5 as smaller
Thing block or particle, until weight is decreased to easily with the state of air motion, by subsequently connecting exhausting in discharge pipe 3.3
Machine provides negative pressure, therefore can form one inside whole turbulent eddy flow negative pressure drying machine and enter, inside turbulent section 2 from lower left
It is random to the right and then to enter eddy flow section 3 upwards, at hot-blast outlet 2.4 and form spiral wind and come infundibulate inlet air downwards
Mouthfuls 3.5, the complicated air-flow finally discharged along discharge pipe 3.3, wherein, hot wind is from turbulent 2 bottom of section into fashionable, and at a high speed
Rotary cutter 2.5 is strong opposite cutting and shock when contacting, and therefore forms strong turbulent flow；Bottom heaviness thing light enough
Material particle start to make with this strong turbulent flow high speed Brownian movement (as in Fig. 2 cavity 2.1 in shown in densely covered point),
So the shock frequency of material and rotary cutter 2.5, material and inner wall, material and storeroom greatly increases, this state can
Make the complete powdered of material in very short time, and it is fully heated, subsequently enter eddy flow section 3；Due to negative pressure drop low boiling point and play
The comprehensive function that strong Brownian movement is hit, powdered and fully heated material, are no longer influenced by thermal sensitivity, while biology
Cell membrane is also effectively destroyed, and intracellular water is released, and these effects all will be helpful to the water that material enters eddy flow section 3
Divide evaporation；Then material enters eddy flow section 3, proceeds by the rotational flow evaporating stage, since swirl velocity can be in this back taper cavity
It is gradually more strong in 3.1, while path accordingly increases, moisture can obtain sufficiently evaporating very much, and material is in this stage
After the completion of moisture content can be reduced to less than 15%.
Whole invention equipment leading portion carries out material in violent turbulent flow completely to refine and heat, the intracellular water of hardly possible dehydration
It is released, this process must be exceedingly fast, and the usual several seconds can complete；Back segment is in the eddy flow of high speed to refining heated thing
Material carries out the abundant substantial amounts of evaporation of moisture；The material high-efficiency of 20~80% moisture content can be finally reduced within 20 seconds
Less than 15%, this is ideal drying effect in this area, and efficiency is also high.
Claims (10)
1. a kind of turbulent flow eddy flow negative pressure drying machine, including engine base (1), it is characterised in that：It is fixed with and is connected on the engine base (1)
Turbulent section (2) and eddy flow section (3), the turbulent flow section (2) includes cavity (2.1), cavity (2.1) bottom equipped with hot wind into
Mouth (2.2), hot wind inlet (2.2) top are equipped with moist material import (2.3), and cavity (2.1) upper end is equipped with hot wind
Export (2.4), the interior bottom of the cavity (2.1) is equipped with can high-speed rotating cutter (2.5)；The eddy flow section (3) includes back taper
Cavity (3.1), back taper cavity (3.1) top is equipped with the air inlet (3.2) being connected with the hot-blast outlet (2.4), described
Discharge pipe (3.3) is equipped with back taper cavity (3.1).
2. turbulent flow eddy flow negative pressure drying machine according to claim 1, it is characterised in that：The moist material import (2.3)
It is tangent with the cutter (2.5) rotation round.
3. turbulent flow eddy flow negative pressure drying machine according to claim 1, it is characterised in that：Back taper cavity (3.1) bottom
Equipped with helping flow structure (3.4).
4. the turbulent eddy flow negative pressure drying machine according to claim 1 or 2 or 3, it is characterised in that：The discharge pipe (3.3)
Bottom is equipped with infundibulate air inlet (3.5), and the infundibulate air inlet (3.5) is low wide and up narrow formula hollow structure, the outlet air
Manage and straight-through air outlet (3.6) is equipped with the top of (3.3).
5. turbulent flow eddy flow negative pressure drying machine according to claim 3, it is characterised in that：It is described to help flow structure (3.4) to include
Central raised (3.41) and edge protuberance (3.42), is equipped between central raised (3.41) and the edge protuberance (3.42)
Ring-shaped depression (3.43), described central raised (3.41) are located at the underface of the infundibulate air inlet (3.5).
6. the turbulent eddy flow negative pressure drying machine according to claim 1 or 2 or 3, it is characterised in that：In the cavity (2.1)
Equipped with multiple rows of baffle array component (2.6) for being used to strengthen turbulent flow effect.
7. the turbulent eddy flow negative pressure drying machine according to claim 1 or 2 or 3, it is characterised in that：The discharge pipe (3.3)
Length 70~90% is stretched into the back taper cavity (3.1).
8. the turbulent eddy flow negative pressure drying machine according to claim 1 or 2 or 3, it is characterised in that：The cavity (2.1) is in
Cylindrical shape, top and bottom are closed.
9. the turbulent eddy flow negative pressure drying machine according to claim 1 or 2 or 3, it is characterised in that：The back taper cavity
(3.1) with a narrow upper and lower width cone-shaped, top and bottom are closed.
10. the turbulent eddy flow negative pressure drying machine according to claim 1 or 2 or 3, it is characterised in that：The air inlet (3.2)
For spiral case air inlet, the inlet air direction of the air inlet (3.2) and the top circumference of the back taper cavity (3.1) are tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408153.XA CN107990689A (en) | 2017-12-22 | 2017-12-22 | Turbulent eddy flow negative pressure drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408153.XA CN107990689A (en) | 2017-12-22 | 2017-12-22 | Turbulent eddy flow negative pressure drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107990689A true CN107990689A (en) | 2018-05-04 |
Family
ID=62042606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408153.XA Pending CN107990689A (en) | 2017-12-22 | 2017-12-22 | Turbulent eddy flow negative pressure drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107990689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539699A (en) * | 2018-09-07 | 2019-03-29 | 北京化工大学 | A kind of cyclonic separation drier being separated by solid-liquid separation for water-containing granular materials |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057908A (en) * | 1976-05-20 | 1977-11-15 | Grefco, Inc. | Method and apparatus for drying damp powder |
| CN101608861A (en) * | 2009-07-23 | 2009-12-23 | 湖南豫园生物科技有限公司 | A kind of drying technique of viscous strain material and equipment thereof |
| WO2011142525A1 (en) * | 2010-05-14 | 2011-11-17 | (주)리엔텍엔지니어링 | Closed-loop-type apparatus for drying sludge using airflow |
| CN102759254A (en) * | 2011-04-28 | 2012-10-31 | 金伟均 | Enhanced boiling dryer |
| CN202770139U (en) * | 2012-07-31 | 2013-03-06 | 山东博丰利众化工有限公司 | Novel drying technical device in dry-method aluminum fluoride production |
| CN205874188U (en) * | 2016-07-28 | 2017-01-11 | 瑞科际再生能源股份有限公司 | Heat pump dehumidification circulation system |
| CN206618245U (en) * | 2017-01-10 | 2017-11-07 | 楚雄医药高等专科学校 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer |
| CN207779056U (en) * | 2017-12-22 | 2018-08-28 | 深圳市泽源能源股份有限公司 | Turbulent eddy flow negative pressure drying machine |
-
2017
- 2017-12-22 CN CN201711408153.XA patent/CN107990689A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057908A (en) * | 1976-05-20 | 1977-11-15 | Grefco, Inc. | Method and apparatus for drying damp powder |
| CN101608861A (en) * | 2009-07-23 | 2009-12-23 | 湖南豫园生物科技有限公司 | A kind of drying technique of viscous strain material and equipment thereof |
| WO2011142525A1 (en) * | 2010-05-14 | 2011-11-17 | (주)리엔텍엔지니어링 | Closed-loop-type apparatus for drying sludge using airflow |
| CN102759254A (en) * | 2011-04-28 | 2012-10-31 | 金伟均 | Enhanced boiling dryer |
| CN202770139U (en) * | 2012-07-31 | 2013-03-06 | 山东博丰利众化工有限公司 | Novel drying technical device in dry-method aluminum fluoride production |
| CN205874188U (en) * | 2016-07-28 | 2017-01-11 | 瑞科际再生能源股份有限公司 | Heat pump dehumidification circulation system |
| CN206618245U (en) * | 2017-01-10 | 2017-11-07 | 楚雄医药高等专科学校 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer |
| CN207779056U (en) * | 2017-12-22 | 2018-08-28 | 深圳市泽源能源股份有限公司 | Turbulent eddy flow negative pressure drying machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539699A (en) * | 2018-09-07 | 2019-03-29 | 北京化工大学 | A kind of cyclonic separation drier being separated by solid-liquid separation for water-containing granular materials |
| CN109539699B (en) * | 2018-09-07 | 2021-03-02 | 北京化工大学 | Cyclone separation dryer for solid-liquid separation of water-containing particle materials |
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Application publication date: 20180504 |
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