CN202802800U - Mixing drying device - Google Patents
Mixing drying device Download PDFInfo
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- CN202802800U CN202802800U CN 201120502749 CN201120502749U CN202802800U CN 202802800 U CN202802800 U CN 202802800U CN 201120502749 CN201120502749 CN 201120502749 CN 201120502749 U CN201120502749 U CN 201120502749U CN 202802800 U CN202802800 U CN 202802800U
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- metal ball
- reel
- described metal
- output device
- drying device
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Abstract
The utility model discloses a mixing drying device comprising a winding drum made of thermally conductive materials, wherein a winding drum wall is of a sieve pore or screen shape; an external power rotating mechanism is used for driving the winding drum to rotate around a horizontal axis through connection; a metal ball receiving and outputting device is arranged in the winding drum; a plurality of metal balls are placed in the metal ball receiving and outputting device; the pore diameter of a sieve pore or screen is smaller than the diameter of a metal ball; a metal ball extracting device is mounted on the inner wall of the winding drum; the metal ball extracting device is used for lifting the metal balls output by the metal ball receiving and outputting device and then returning into the metal ball receiving and outputting device; the heat supply output port of a metal ball heating system is mounted in the metal ball receiving and outputting device; and the feeding port of a to-be-dried material feeding device is mounted in the metal ball receiving and outputting device. By using the mixing drying device, the heat exchange efficiency of a drying process is greatly improved, the manufacturing cost is saved, the energy consumption is reduced, the mixing drying device is easy to maintain, and low in operation cost and worthy of popularizing and using in the field of dry power preparation of industrial raw materials.
Description
Technical field
The utility model relates to the industrial materials technical field of drying, is specifically related to a kind of combination drying device.
Background technology
At the industrial production manufacture field, numerous industrial materials all need carry out dry powder to be processed.Such as cement, lime, gypsum, sand, gravel construction material; Such as mineral filler, colouring agent, plasticizer, coating additive; Such as nitrogen chemical fertilizer, lime material, humic acid fertilizer; Food, such as the fruits and vegetables powder, cereal and root powder, meat and bone meal; Such as capsule and tablet medicament, cosmetics; Such as filler, dyestuff, mineral or vegetables; Process such as rubbish and sludged waste material; Etc..In these industries, the key step that obtains dry powder comprises: 1. dry grinding, and 2. meticulous water grinds, and 3. mixes with additive or adjuvant, and 4. mechanical dehydration is 5. dry.
Dry technological means and mode are varied, comprise: 1. the cold flow air is dry, 2. add hot-air or use hot gas dry, 3. 4. hot conductive drying mixes integrated convection current and conductive drying, 5. " fast " drying, the technology that convective drying derives from, 6. adopted front solar drying technology, 7. vacuum drying, 8. high pressure is dry.What drying effect was best is vacuum drying, but its investment and operating cost cost are too high, is not suitable for promoting.
Another fine and low-cost dry technology is by conductive drying, generally adopts the dry technology of indirect, and the effect of this dry technology and the thermal efficiency have very large relation (heat/evaporated quantity of water), and is subjected to the restriction of existing thermal efficiency technical merit.
In order to improve the effect of dry technology, domestic and international more employing combination drying technology, this combination drying technology adopt a kind of time (revolving) to turn drying machine.Returning (revolving) rotatable drying machine is the metallic cylinder of a slow circumvolve, has added simultaneously the dry material of hot gas and needs and has carried out drying.Hot gas can be air or other gas, such as tail gas or other gas etc.Cylindrical rotation cause the being dried mixing of thing.Hot gas is brought water vapour into a cylinder continuously, thereby forms thermal current between cylindrical import and outlet, thereby reaches convection drying.Hot gas is also with a part of heat transferred metal cylinder, and cylinder is returned to its product of contact with these heats by the bucket wall of metal again, thereby has produced conductive drying, rotation mainly be horizontal axis but also have the system of vertical axial.
Known improvement way mainly is to increase heat exchange area in inside by material, or increases the time of contact between product and the drying system.Another known improvement is bucket increase by in system in, but urceolus is completely fixed, and forms double-deck bucket wall, and pass into hot heat transfer fluid between the double-layered bucket wall.This system has reduced cylindrical length, but does not improve the thermal efficiency.
Generally speaking, the metal cylinder body length that this class technology relates to is long, and Heavy Weight involves great expense, and needs the metal cylinder that powerful electric machine rotation is heavy, and this just needs very high-energy driver.When the needs drying has the product of colloidal nature, the colloidal substance drying comprises organic matter and mineral matter dispersed and that suspend, the heat bonding tendency is arranged, to have on the surface of Mottling formation and adhesion or bonding drying machine, thereby reduced heat dispersion, and be forced in drying machine exit increase milling apparatus or disintegrating machine.This bonding phenomenon also means the exchange surface of needs maintenance cleaning.
The utility model content
Technical problem to be solved in the utility model is for overcoming the defective that the prior art equipment investment is large, the thermal efficiency is low, maintenance workload is large, a kind of combination drying device and drying method being provided.
For solving the problems of the technologies described above, the utility model proposes a kind of combination drying device, it is characterized in that comprising, the reel that thermally conductive materials is made, described drum wall is sieve aperture or mesh-like, the revolving power mechanism that is positioned at the reel outside connects described reel, driving described reel rotates around horizontal axis, being provided with metal ball in the described reel receives and output device, described metal ball receives and output device comprises metal ball entrance and delivery outlet, described metal ball entrance and delivery outlet lay respectively at the upper of described metal ball reception and output device, the bottom, described metal ball receives and the some metal ball of the interior placement of output device, and the aperture of described sieve aperture or screen cloth is less than the diameter of described metal ball; Described reel inwall is installed the metal ball extraction element, described metal ball extraction element is used for the described metal ball with described metal ball receives and output device is exported, rise to the metal ball entrance of described metal ball reception and output device, the heat supply output port of metal ball heating system is installed in described metal ball reception and the output device, the input port for the treatment of mummification thing feeding device is installed in described metal ball reception and the output device, and the dry powder receiving system is installed in described reel below.
As improvement, the utility model device also comprises water vapour and gas extraction element, and water vapour and gas extraction element are outside around being installed at described reel, is used for collection and extracts described reel interior water vapour and gas.
Preferably, the vertical cross-section of described metal ball reception and output device is infundibulate.
The described thermally conductive materials of making reel is metal material.
Preferred again, described metal ball extraction element is the bent baffle plate, and the described reel length direction in an edge of described bent baffle plate is fixedly connected on the described drum wall, and the length of side on this limit is greater than described metal ball diameter, the another side bending, its overbending direction is towards the direction of rotation of described reel.
The quantity of described metal ball extraction element is one or more, and its quantity and size are determined according to the flow of required metal ball and the rotating speed of described reel.
Preferred again, described metal ball heating system is the hot gas spraying system, and the heat supply output port size of this spraying system is determined by calculating the needed hot gas of heating of metal ball.
Optimum, described metal ball is steel ball.
Beneficial effect: the metal ball stream that the utility model adopts heat remains the colloidal solution of mummification thing and fully mixes rear heat exchange with containing, and makes heat exchange area have compared to existing technology the lifting of a plurality of orders of magnitude, so has greatly improved the heat exchanger effectiveness of dry run.
Simultaneously, this device has not only avoided prior art to add long carriage by increasing, improve the old road of heat exchange area, can reduce reel length, volume on the contrary, like this, saved the reel manufacturing cost on the one hand, on the other hand, because alleviating of reel quality also reduced power of motor and energy consumption that power is provided for the reel rotation.
And then, what the metal ball surface formed treats that the mummification thing under the mutual frictional impact of metal ball, is easy to nature and comes off, and has greatly lowered maintenance workload and the maintenance cost of this device.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is that the utility model device master looks the critical piece structural relation figure under the state.
Fig. 2 is the reel vertical cross-section schematic diagram with the steel ball extraction element.
Fig. 3 is that the reel with the steel ball extraction element is connected side view with outside revolving power mechanism.
Fig. 4 is the schematic diagram that colloidal solution is sneaked into cycling hot steel ball stream.
The specific embodiment
As shown in Figure 1, and in conjunction with Fig. 2,3, with the metal coils 7 that dashed line is drawn, expression metal coils 7 walls are sieve aperture or mesh-like.The revolving power mechanism 9 that is positioned at reel 7 outsides connects reels 7, and band movable reel 7 rotates around horizontal axis, and horizontal axis is shown in the dotted line of Fig. 3.Be provided with steel ball in the reel 7 and receive and output device, steel ball receives and the vertical cross-section of output device is infundibulate.Steel ball receives and the steel ball entrance of output device and the upper and lower part that delivery outlet lays respectively at funnel, and steel ball receives and the interior full some steel balls of placing of output device, and the sieve aperture of metal coils 7 or the aperture of screen cloth are less than the diameter of described steel ball.The reel inwall is installed steel ball extraction element 8, steel ball extraction element 8 is the bent baffle plate, and an edge reel length direction of bent baffle plate is fixedly connected on reel 7 walls, and the length of side of this limit B is greater than steel ball size, the another side bending, its overbending direction is towards the direction of rotation of reel.The steel ball extraction element be designed and sized to A*B*C.
The steel ball extraction element is used for the steel ball with steel ball receives and output device is exported, rise to the steel ball entrance of steel ball reception and output device, the quantity of steel ball extraction element is one or more, and its quantity and size are determined according to the flow of required steel ball and the rotating speed of described reel.
The heat supply output port 10 of steel ball heating system is installed in steel ball reception and the output device, and the steel ball heating system is the hot gas spraying system, and the heat supply output port size of this spraying system is determined by calculating the needed hot gas of heating steel ball.The input port 11 for the treatment of mummification thing feeding device is positioned at and is installed in steel ball under the heat supply output port 10 and receives and output device, and dry powder receiving system 12 is installed in below the described reel.Water vapour and gas extraction element 14 are used for collecting and interior water vapour and the gas of extraction reel around being installed in reel 7 outsides.Among Fig. 1, number designation 5,13 represents the path of steam evaporation.
The below further specifies the drying method of this dry device, may further comprise the steps:
Start the metal coils rotation, the heat supply output port heat outputting air-flow of steel ball heating system, the steel ball that steel ball receives and output device is exported, the steel ball extraction element is under the rotarily driving of reel, steel ball is risen to the steel ball entrance of steel ball reception and output device, steel ball, so comes and goes falling into steel ball reception and output device at gravity, forms the continuous hot steel ball stream that circulates in the reel;
Contain by the described input port input for the treatment of mummification thing feeding device and to remain the colloidal solution of mummification thing, colloidal solution is sneaked in the hot steel ball stream, when the steel ball extraction element promotes hot steel ball, heat of stirring steel ball and colloidal solution, make hot steel ball surface and colloidal solution sufficient heat exchange, the moisture of colloidal solution is taken away rapidly, form Powdered mummification thing at steel ball surface, steel ball is mutual collision friction when stirring, break away from steel ball surface, by sieve aperture or the screen cloth of reel, fall into the dry powder receiving system under gravity.
The more abundant the utility model drying method that reflected of Fig. 4, among Fig. 4, number designation 1 represents the steel ball of continuous moving, 2 representatives need the injection of mummification product, 3 represent the continuous extraction of steel ball, 4 represent the at random rotation of steel ball, and 5 represent the discharging of steam, and the 6 mummification product gravity that represent powder morphology are discharged.
Process for the colloidal substance drying that drying parameter is following:
Colloidal substance comprises organic matter and mineral matter dispersed and that suspend, and the heat bonding tendency is arranged, and contains 80% water, and product must reach dry powder, contains 15% water.Adopt dry 120 tons of every day, 24 hours, 7 days continuous operation working methods.In other words, 5 tons/hour colloidal substance dry amount, evaporation of water amount will be 3824 kg/hrs, and theory needs heat 3824x2257 kilojoule per kilogram=8630768 kilojoules/H=2397 kilowatt hour=about 360 kg/hours of coals.
One, adopt existing industrial drying equipment:
Need installation and operation three cascade rotary drying machines,
First order 2200mm diameter * 24000 mm lengths,
Second level 1800mm diameter * 20000 mm lengths,
The third level 1500 mm dias * 16000 mm lengths,
Hot gas needs 700 kg/hours in coal,
30 meters long of this buildings * wide 12 meters * high 15 meters, three floors are high, 5 meters of every floor heights.
Two, adopt the utility model equipment to be:
3400 millimeters * 3000mm of single rotary dryer diameter is long
Hot gas needs 450 kg/hours in coal.
This building will be that meter wide * 7,12 meters long * 5 are meter high, and not stratified.
Obviously, the utility model is compared with existing industrial drying machine, and the hot gas thermal energy consumption saves 33.33%, and the dryer manufacturing cost saves 90%, and obviously greatly saves operation and maintenance cost.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. combination drying device, it is characterized in that comprising, the reel that thermally conductive materials is made, described drum wall is sieve aperture or mesh-like, the revolving power mechanism that is positioned at the reel outside connects described reel, driving described reel rotates around horizontal axis, being provided with metal ball in the described reel receives and output device, described metal ball receives and output device comprises metal ball entrance and delivery outlet, described metal ball entrance and delivery outlet lay respectively at the upper of described metal ball reception and output device, the bottom, described metal ball receives and the some metal ball of the interior placement of output device, and the aperture of described sieve aperture or screen cloth is less than the diameter of described metal ball; Described reel inwall is installed the metal ball extraction element, described metal ball extraction element is used for the described metal ball with described metal ball receives and output device is exported, rise to the metal ball entrance of described metal ball reception and output device, the heat supply output port of metal ball heating system is installed in described metal ball reception and the output device, the input port for the treatment of mummification thing feeding device is installed in described metal ball reception and the output device, and the dry powder receiving system is installed in described reel below.
2. combination drying device according to claim 1 is characterized in that, also comprises water vapour and gas extraction element, and water vapour and gas extraction element are outside around being installed at described reel, is used for collection and extracts described reel interior water vapour and gas.
3. combination drying device according to claim 1 and 2 is characterized in that, described metal ball receives and the vertical cross-section of output device is infundibulate.
4. combination drying device according to claim 3, it is characterized in that, described metal ball extraction element is the bent baffle plate, the described reel length direction in one edge of described bent baffle plate is fixedly connected on the described drum wall, and the length of side on this limit is greater than described metal ball diameter, the another side bending, its overbending direction is towards the direction of rotation of described reel.
5. combination drying device according to claim 4 is characterized in that, the described thermally conductive materials of making reel is metal material.
6. combination drying device according to claim 5 is characterized in that, the quantity of described metal ball extraction element is one or more.
7. combination drying device according to claim 6 is characterized in that, described metal ball heating system is the hot gas spraying system, and the heat supply output port size of this spraying system is determined by calculating the needed hot gas of heating of metal ball.
8. combination drying device according to claim 1 is characterized in that, described metal ball is steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120502749 CN202802800U (en) | 2011-12-06 | 2011-12-06 | Mixing drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120502749 CN202802800U (en) | 2011-12-06 | 2011-12-06 | Mixing drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202802800U true CN202802800U (en) | 2013-03-20 |
Family
ID=47861747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120502749 Withdrawn - After Issue CN202802800U (en) | 2011-12-06 | 2011-12-06 | Mixing drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202802800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489026A (en) * | 2011-12-06 | 2012-06-13 | 武汉新傲环保科技发展有限公司 | Combination drying device and drying treatment method thereof |
-
2011
- 2011-12-06 CN CN 201120502749 patent/CN202802800U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489026A (en) * | 2011-12-06 | 2012-06-13 | 武汉新傲环保科技发展有限公司 | Combination drying device and drying treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |