CN107816844A - Internal heat type fluidized bed dryer - Google Patents
Internal heat type fluidized bed dryer Download PDFInfo
- Publication number
- CN107816844A CN107816844A CN201710991073.5A CN201710991073A CN107816844A CN 107816844 A CN107816844 A CN 107816844A CN 201710991073 A CN201710991073 A CN 201710991073A CN 107816844 A CN107816844 A CN 107816844A
- Authority
- CN
- China
- Prior art keywords
- drying
- internal heat
- fluidized bed
- box
- heat type
- 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
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
-
- 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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/082—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed arrangements of devices for distributing fluidising gas, e.g. grids, nozzles
-
- 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
Abstract
The present invention relates to a kind of internal heat type fluidized bed dryer, including drying bed main frame, the drying bed main frame includes upper box, drying box and lower box successively from top to bottom, the top of the upper box is provided with air outlet, the symmetrical both sides of the drying box are respectively equipped with charging aperture and discharging opening, the opening position that the side of the lower box is located at below charging aperture is provided with air inlet, is interconnected between the air inlet, drying box and air outlet, and multiple swash plates are provided with inside the lower box.A kind of internal heat type fluidized bed dryer provided by the invention, it is improved specifically for the problem of existing drying bed heat energy utilization is insufficient, drying effect is bad, internal heat type fluidized bed dryer drying effect after improvement is obviously improved, while has also reached energy-saving purpose.
Description
Technical field
The present invention relates to a kind of drier, and in particular to a kind of internal heat type fluidized bed dryer.
Background technology
China improves and improved continuous as salt manufacturing big country, its technology of threonates flow and equipment, wherein for original
The fluid bed that salt is dried is widely used because heat-transfer intensity is big, the thermal efficiency is high.Internal heat type fluid bed is exactly one in fluid bed
Kind, its course of work is to be dried raw material salt to remove the moisture in raw material salt into drying bed after smashing, this
The characteristics of internal heat type is fluidizing drying bed be：Heat-transfer intensity is big, the thermal efficiency is high, the thing that the dispersal device of setting will can easily reunite
Material is broken up, and built-in heater can make material be rapidly heated, and reduces total blast volume, reduces total installation of generating capacity, can be according in fluid bed
Temperature change automatically adjust feeding quantity.
Existing internal heat type fluidized bed dryer generally comprise for dry wet stock drying bed main frame, heating system and
Blower fan system, described drying bed main frame are provided with air inlet and air outlet, and the hot blast of the heating system enters drying bed master
After machine, the wet stock in drying bed main frame forms fluidized state by hot blast, and drying is completed by the extensive contact of hot blast and material.
But existing drying bed is generally provided with three air inlets, as shown in figure 1, three described air inlets are arranged on drying bed
Side, hot blast are directly entered from the side of drying bed and the raw material salt for drying bed surface are dried, and the hot blast of this structure enters
It will soon be flowed out after drying bed from air outlet, it is impossible to raw material salt is sufficiently dried, the utilization for hot blast does not have yet
Fully, the waste of heat energy is caused.
The content of the invention
For above-mentioned the deficiencies in the prior art, the present invention provides a kind of internal heat type fluidized bed dryer, specifically for existing
The problem of drying bed heat energy utilization is insufficient, drying effect is bad is improved, and the internal heat type fluidized bed dryer after improvement dries
Dry positive effect improves, while has also reached energy-saving purpose.
The present invention is that technical scheme is used by solving its technical problem：
A kind of internal heat type fluidized bed dryer, including drying bed main frame, the drying bed main frame include successively from top to bottom
Upper box, drying box and lower box, the top of the upper box are provided with air outlet, and the symmetrical both sides of the drying box are respectively equipped with
Charging aperture and discharging opening, the opening position that the side of the lower box is located at below charging aperture are provided with air inlet, the air inlet, done
It is interconnected between dry case and air outlet, multiple swash plates is provided with inside the lower box.
Preferably, the multiple swash plate is evenly provided on the inner upper wall of lower box, each swash plate and nowel
The upper wall angle α in internal portion is 45 °.
Preferably, heater and blower fan system, described heating dress are connected with turn by blast pipe in air inlet
Heater is set to, described blower fan system is air blower.
Preferably, separator and air-introduced machine, described separator are connected with turn by discharge pipe at air outlet
For cyclone separator.
Preferably, the outlet of described cyclone separator communicates with the discharging opening of the lower box side, dried original
Also there is a small amount of steam in material salt, separated crude salt and steam using the cyclone separator, and the crude salt after separation enters discharging
Mouthful, steam is then discharged by discharge pipe.
Preferably, dust arrester can also be set on the discharge pipe between the separator and air-introduced machine, it is described
Dust arrester is sack cleaner, after sack cleaner dedusting by discharge of steam into air, is so reduced to air
Pollution, energy-conserving and environment-protective.
The present invention is carried out for the deficiency that existing drying bed heat energy utilization is insufficient, drying effect is bad to drying bed
Transformation, original three air inlets for being arranged on drying bed side is improved to be arranged on an air intake below drying bed charging aperture
Mouthful, and it is the drying effect best to raw material salt in drying box that the air inlet, which is arranged on immediately below charging aperture,；Meanwhile
Baffle plate is set up in drying bed, the baffle plate is obliquely installed inside drying bed in 45° angle degree so that hot blast can be made around swash plate
For drying box, heat successively successively decrease rather than original hot blast enter after just directly from air outlet flow out, thus can be abundant
Using the heat in drying bed, energy consumption is set to use maximization.After the improvement to drying bed, the heat energy in drying bed can fill
Dividing and utilize, raw material salt drying effect is obvious, significantly improves product salt yield, and per tour 75t is brought up to by original per tour 45t,
Yield is improved again energy-saving while.
Brief description of the drawings
Fig. 1 is the existing drying bed main machine structure schematic diagram of the present invention.
Fig. 2 is a kind of side structure schematic diagram of the drying bed main frame of internal heat type fluidized bed dryer of the present invention.
Fig. 3 is a kind of overall structure diagram of internal heat type fluidized bed dryer of the present invention.
Shown in figure：
10- drying bed main frames, 11- upper boxes, 110- air outlets, 12- drying boxes, 120- charging apertures, 121- discharging openings,
13- lower boxes, 130- air inlets, 131- swash plates, 20- blast pipes, 30- heaters, 40- blower fan systems, 50- discharge pipes, 60-
Separator, 70- air-introduced machines, 80- dust arresters.
Embodiment
In order that technical scheme and advantage are more clearly understood, below in conjunction with the accompanying drawings and embodiment is to the present invention
It is further described.
The present invention is improved primarily directed to drying bed main frame, there is provided one kind dries sufficient internal heat type fluidized bed drying
Device, as shown in Figure 2 and Figure 3, including drying bed main frame 10, the drying bed main frame 10 include top box to its structure successively from top to bottom
Body 11, drying box 12 and lower box 13, air outlet 110 is provided with the top of upper box 11, in the symmetrical both sides of drying box 12 point
Not She Zhi charging aperture 120 and discharging opening 121, charging aperture 120 connects the supply that outer belt conveyer carries out raw material salt, discharging opening
The outside feed bin of 121 connections is used for containing the crude salt after drying, is located at the position directly below of charging aperture 120 in the side of lower box 13
Place sets an air inlet 130, is interconnected between the air inlet 130 and drying box 12 and air outlet 110, the lower box 13
Inside is additionally provided with multiple swash plates 131.
Further, air inlet 130 is arranged on to the underface of charging aperture 120, so that pass through the heat of air inlet 130
Wind directly can accurately act on raw material salt, make full use of heat energy.
Further, the quantity of the swash plate 131 is three, and three swash plates 131 are uniformly arranged on lower box 13
On inner upper wall, one end of swash plate 131 is fixed on the inner upper wall of lower box 13, the other end and the lower box 13 of swash plate 131
Inner bottom surface maintain a certain distance, the swash plate 131 is 45 ° of slant settings with the upper wall angle α inside lower box 13,
In this way, the hot blast entered from air inlet 130 is detoured under the cut-off of swash plate 131, rather than soon just from air outlet 110
Middle outflow, do so with time on drying beds with regard to longer, and heat energy successively successively decreases so that the utilization to heat energy
More fully, it is more abundant to the raw material salt drying in drying box 12.
Further, as shown in figure 3, connecting blast pipe 20 in one end of air inlet 130, the other end of blast pipe 20 is successively
Heater 30 and blower fan system 40 are connected with, the heater 30 uses heater, and the blower fan system 40 is air blower.
Further, discharge pipe 50 is connected in one end of air outlet 110, the other end of discharge pipe 50 is connected with separation in turn
Device 60 and air-introduced machine 70, described separator 60 use cyclone separator.
Further, the outlet of the cyclone separator 60 communicates with the discharging opening 121 of the side of lower box 13, and this is
Due to also containing a small amount of steam in dried raw material salt, steam is separated from raw material salt using cyclone separator 60,
Steam after separation is discharged in air by discharge pipe 50, and remaining crude salt enters discharging opening 121 and enters back into outside feed bin
In.
Further, dust arrester 80 is additionally provided with the discharge pipe 50 between separator 60 and air-introduced machine 70, it is described
Dust arrester 80 be sack cleaner, for removing the pollutant in steam, the steam that is discharged into after dedusting in air without
Pollution, energy-conserving and environment-protective.
A kind of course of work for internal heat type fluidized bed dryer that the present embodiment provides is as follows：
Raw material salt is transported at charging aperture 120 by outer belt conveyer, and drying box 12 is entered by charging aperture 120
In, outside air enters heater 30 in the presence of air blower 40, becomes hot blast by the heat effect of heater 30, passes through
Hot-air after heating is pumped into lower box 13 by air blower 40, is progressed into by the separation of swash plate 131 in drying box 12, this
When raw material salt fluidized state is blown afloat into the presence of hot-air, so as to sufficiently being contacted, be conducted heat with hot-air, compared with
In the short time, the moisture of material is set to evaporate, the water vapour evaporated enters discharge pipe by air-flow by air outlet 130
In 50, cyclone separator 60 is provided with discharge pipe 50, by the centrifugation of cyclone separator 60 by the steaming in vapor
Vapour and salt are separated, and the salt after separation is entered in outside feed bin by discharging opening 121, before steam continues in discharge pipe 50
OK, by being discharged into after the dedusting of sack cleaner 80 in air.
Blower fan system 40 is jointly controlled with heater 30 by control circuit in such scheme, that is, works as blower fan system
40 because of fault trip or other reasonses out of service when, control circuit control heater 30 stop heating, can so prevent because
Heating-up temperature is too high and causes the accidents such as fire.
A kind of internal heat type fluidized bed dryer provided by the invention, by the improvement to drier host machine, by original setting
Three air inlets in drying bed side are improved to be arranged on an air inlet below drying bed charging aperture, and by the air intake
It is the drying effect best to raw material salt in drying box that mouth, which is arranged on immediately below charging aperture,；Meanwhile gear is set up in drying bed
Plate, the baffle plate are obliquely installed inside drying bed in 45° angle degree so that hot blast can act on drying box around swash plate, heat
Amount successively successively decrease rather than original hot blast enter after just directly from air outlet flow out, can thus make full use of in drying bed
Heat, energy consumption is set to use maximization.After the improvement to drying bed, the heat energy in drying bed can make full use of, raw material salt
Drying effect is obvious, significantly improves product salt yield, and per tour 75t is brought up to by original per tour 45t, energy-saving same
When improve yield again.
The part not illustrated in specification is prior art or common knowledge.The present embodiment is merely to illustrate the invention,
Rather than the modification such as limitation the scope of the present invention, the equivalent replacement that those skilled in the art are made for the present invention is considered
Fall into invention claims institute protection domain.
Claims (7)
1. a kind of internal heat type fluidized bed dryer, including drying bed main frame (10), the drying bed main frame (10) from top to bottom according to
It is secondary including upper box (11), drying box (12) and lower box (13), it is characterised in that：The top of the upper box (11) is provided with out
Air port (110), the symmetrical both sides of the drying box (12) are respectively equipped with charging aperture (120) and discharging opening (121), the lower box
(13) opening position that side is located at below charging aperture (120) is provided with air inlet (130), the air inlet (130), drying box
(12) and between air outlet (110) it is interconnected, multiple swash plates (131) is provided with inside the lower box (13).
A kind of 2. internal heat type fluidized bed dryer according to claim 1, it is characterised in that：The number of the swash plate (131)
Measure as three, three swash plates (131) are uniformly arranged on the inner upper wall of lower box (13), and the swash plate (131) is with
The internal upper wall angle α of casing (13) is 45 °.
A kind of 3. internal heat type fluidized bed dryer according to claim 1, it is characterised in that：The air inlet (130) is logical
Cross blast pipe (20) and be connected with heater (30) and blower fan system (40) in turn.
A kind of 4. internal heat type fluidized bed dryer according to claim 3, it is characterised in that：The heater (30) is
Heater, the blower fan system (40) are air blower.
A kind of 5. internal heat type fluidized bed dryer according to claim 1, it is characterised in that：The air outlet (110) is logical
Cross discharge pipe (50) and be connected with separator (60) and air-introduced machine (70) in turn, the separator (60) is cyclone separator.
A kind of 6. internal heat type fluidized bed dryer according to claim 5, it is characterised in that：The cyclone separator (60)
Outlet communicated with the discharging opening (121) of the lower box (13) side.
A kind of 7. internal heat type fluidized bed dryer according to claim 5, it is characterised in that：The separator (60) with
Dust arrester (80) is additionally provided with discharge pipe (50) between air-introduced machine (70), described dust arrester (80) is bag-type dust
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991073.5A CN107816844A (en) | 2017-10-23 | 2017-10-23 | Internal heat type fluidized bed dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991073.5A CN107816844A (en) | 2017-10-23 | 2017-10-23 | Internal heat type fluidized bed dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107816844A true CN107816844A (en) | 2018-03-20 |
Family
ID=61606970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710991073.5A Pending CN107816844A (en) | 2017-10-23 | 2017-10-23 | Internal heat type fluidized bed dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107816844A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542280A (en) * | 2019-07-18 | 2019-12-06 | 中山市马里奥机械科技有限公司 | Powder drying system |
| CN113154856A (en) * | 2021-04-16 | 2021-07-23 | 万达集团股份有限公司 | High-safety ABS high-rubber powder drying bed |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013170798A (en) * | 2012-02-22 | 2013-09-02 | Mitsubishi Heavy Ind Ltd | Fluid bed drying device |
| KR101466671B1 (en) * | 2013-06-10 | 2014-12-01 | 한국에너지기술연구원 | Fluidized bed drying device with dehumidifying fluidizing-gas |
| CN104534816A (en) * | 2014-12-24 | 2015-04-22 | 湖南中和制药有限公司 | Fluidized drying bed |
| CN204787601U (en) * | 2015-06-24 | 2015-11-18 | 商丘市久超粮油机械有限公司 | Novel fluidized bed dryer |
| CN105499125A (en) * | 2016-02-05 | 2016-04-20 | 苏州工业园区顺事达氢能机电有限公司 | Drying and sieving all-in-one machine |
| CN106813458A (en) * | 2017-03-31 | 2017-06-09 | 济宁学院 | Energy-conserving and environment-protective integrated multistage microwave fluidized bed drying system and processing method |
| CN107096470A (en) * | 2017-06-16 | 2017-08-29 | 桂林融通科技有限公司 | Fluidized drying granulation device |
-
2017
- 2017-10-23 CN CN201710991073.5A patent/CN107816844A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013170798A (en) * | 2012-02-22 | 2013-09-02 | Mitsubishi Heavy Ind Ltd | Fluid bed drying device |
| KR101466671B1 (en) * | 2013-06-10 | 2014-12-01 | 한국에너지기술연구원 | Fluidized bed drying device with dehumidifying fluidizing-gas |
| CN104534816A (en) * | 2014-12-24 | 2015-04-22 | 湖南中和制药有限公司 | Fluidized drying bed |
| CN204787601U (en) * | 2015-06-24 | 2015-11-18 | 商丘市久超粮油机械有限公司 | Novel fluidized bed dryer |
| CN105499125A (en) * | 2016-02-05 | 2016-04-20 | 苏州工业园区顺事达氢能机电有限公司 | Drying and sieving all-in-one machine |
| CN106813458A (en) * | 2017-03-31 | 2017-06-09 | 济宁学院 | Energy-conserving and environment-protective integrated multistage microwave fluidized bed drying system and processing method |
| CN107096470A (en) * | 2017-06-16 | 2017-08-29 | 桂林融通科技有限公司 | Fluidized drying granulation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542280A (en) * | 2019-07-18 | 2019-12-06 | 中山市马里奥机械科技有限公司 | Powder drying system |
| CN113154856A (en) * | 2021-04-16 | 2021-07-23 | 万达集团股份有限公司 | High-safety ABS high-rubber powder drying bed |
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