CN104534855A - Inner and outer circulation drying device - Google Patents
Inner and outer circulation drying device Download PDFInfo
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- CN104534855A CN104534855A CN201410714718.7A CN201410714718A CN104534855A CN 104534855 A CN104534855 A CN 104534855A CN 201410714718 A CN201410714718 A CN 201410714718A CN 104534855 A CN104534855 A CN 104534855A
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- barrel
- outer circulation
- circulation drying
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- drying unit
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Abstract
The invention discloses an inner and an outer circulation drying device, including a drier, wherein the barrel of the drier is positioned in the hearth of a heating furnace, an induced draft fan is installed adjacent the heating furnace, the air inlet of the induced draft fan communicates with the hearth of the heating furnace, the air outlet of the induced draft fan is connected with the air inlet of the barrel by an air intake pipe, and the air outlet of the barrel is connected with a tail gas treatment device by an air outlet pipe. The inner and an outer circulation drying device has the advantages of low energy consumption, quick drying speed, low investment cost and low pollution; According to the inner and an outer circulation drying device, the interior and the exterior of the barrel are heated for improving the heat efficiency, so that the material is fully dried, and the drying efficiency is significantly improved.
Description
Technical field
The invention belongs to drying equipment technical field, specifically, relate to a kind of heating, drying device for viscosity paste or high moisture material.
Background technology
At present, in industrial and agricultural production, when drying is carried out to viscosity paste or high moisture material (as poor slag, chicken manure), be generally by convection action, transmit heat to material by gas or steam from thermal source, allow material fully be separated with moisture content and to realize drying.Because the heat transfer area between viscous material and heat transfer medium is little, heat transfer intensity is low, adds material and easily sticks to Drying inwall, thus thermal efficiency when making this kind of dry materials operation and production efficiency all relatively low.In order to improve the thermal efficiency and production efficiency as far as possible, past people make an effort in the internal structure adopting new thermal source or improvement Drying, as being CN2293781 at notification number, the day for announcing is on October 7th, 1998, name is called in the Chinese patent of " viscosity paste and dryer for high humidity material ", by arranging teeter chamber below hothouse main in horizontal Drying, the Stirring axle of teeter chamber arranges the stirring vane of inclination, the dry indoor of trunk are scraped on bobbin and are provided with inclination scraping blade, during operation the scraping blade of the dry indoor of trunk constantly by adhere to inwall material scraper under, and axial traction is produced to material, stirring vane in teeter chamber is then continuous to be shed to main hothouse by broken for material refinement, make it to fill the air and fully contact with hot-air in whole Drying inner chamber, thus reach object dry rapidly.This dryer is by the heat transfer area under increase the same terms between material and heat transfer medium and heat transfer intensity, serve the effect improving the thermal efficiency and production efficiency to a certain extent, but because the similar drying plant of it and tradition is the same, what adopt remains unidirectional logistics and thermal cycle mode, the heat that in actual production, heating source produces often is not fully used, as whole system, its thermal efficiency is still lower; In addition, due to the in-out end of material and the in-out end of hot-air corresponding, the water vapour contained the closer to port of export place hot-air in Drying is higher, and it is dry fully that this discharge method is difficult to guarantee that material obtains in Drying.
Summary of the invention
The object of the invention is a kind of inner-outer circulation drying unit, to solve tradition, to be used for the dryer thermal efficiency of dry viscosity paste or high moisture material low, the problem that production efficiency is not high.
For solving the problems of the technologies described above, inner-outer circulation drying unit provided by the invention contains dryer, the swinging barrel of dryer is positioned at the burner hearth of heating cooking stove, the side of heating cooking stove is provided with air-introduced machine, the air inlet end of air-introduced machine is connected by the burner hearth of pipeline with heating cooking stove, the air opening end of air-introduced machine is connected with the air inlet on barrel by blast pipe, and the air outlet of barrel is connected with tail gas treatment device by discharge pipe.
In the present invention, not only hot blast is sent into continuously in swinging barrel during work, and allow barrel be positioned to provide the burner hearth of the heating cooking stove of thermal source, all be in thermal cycle inside and outside barrel, the heat that in the same terms blanking tube, material obtains is more, the rate of drying of material is faster, thus improves the production efficiency of drying operation.Because the heat energy of thermal cycle inside and outside barrel is all from same heating cooking stove, substantially increase the utilization rate of heat, the thermal efficiency of namely drying operation obtains and significantly improves.
As a kind of embodiment, the pivotable parts of dryer barrel is fixedly connected in rotating shaft by supporting spoke, rotating shaft two ends are each passed through and are arranged on bracing frame by bearing after airduct Connection Block, and rotating shaft is provided with blade, and one end of rotating shaft is connected with power; The middle part of barrel is cylindrical, two ends are in gradually little taper, the turnover bin gate of barrel is same sect and is arranged on blast pipe Connection Block, the inwall of barrel is provided with axially extended flight, flight rotation direction in wherein corresponding with blast pipe Connection Block conical section inner screwy fin and middle part cylindrical segment is identical, and the flight rotation direction in the conical section inner screwy fin corresponding with discharge pipe Connection Block and middle part cylindrical segment is contrary.Power drive axis of rotation, rotating shaft drives barrel to rotate by supporting spokes bar again.Material, from the turnover of hot wind inlet end, can guarantee that material obtains abundant drying in barrel.The rotation direction plan of establishment of in the middle part of barrel and two ends spiral inner wall sheet makes turnover material smooth, and during drying operation, material can not be piled up one end in barrel, and during discharging, the direction of rotation of barrel is contrary with the direction of rotation of barrel in charging and drying operation process.
The invention has the beneficial effects as follows: energy consumption is low, drying rate is fast, input cost is low and pollute low, it by external heat in barrel to improve the thermal efficiency, make material obtain fully drying, significantly improve drying efficiency.
Accompanying drawing explanation
Accompanying drawing of the present invention is described as follows.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of dryer 1 in the present invention.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the section structure schematic diagram of shaft 13 of the present invention.
Fig. 5 is the structural representation of tail gas treatment device 8 in the present invention.
In figure: 1. dryer; 2. barrel; 3. heat cooking stove; 4. air-introduced machine; 5. pipeline; 6. blast pipe; 7. discharge pipe; 8. tail gas treatment device; 9. pass in and out bin gate; 10. bracing frame; 11. flights; 12. support spoke; 13. rotating shafts; 14. blades; 15. screw rods; 16. supports; 17. rocking handles; 18. blast pipe Connection Blocks; 19. discharge pipe Connection Blocks; 20. baffle plates; 21. steel bars; 22. material recycle doors; 23. process chambers; 24. process chambers; 25. showers; 26. discharge outlet; 27. inlet exhaust gas; 28. stove doors; 29. material recycle chambeies; 30. exhaust ports.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, the barrel 2 of the dryer 1 in the present invention is positioned at the burner hearth of heating cooking stove 3, the side of heating cooking stove 3 is provided with air-introduced machine 4, the air inlet end of air-introduced machine 4 is connected by the burner hearth of pipeline 5 with heating cooking stove 3, the air opening end of air-introduced machine 4 is connected with the air inlet on barrel 2 by blast pipe 6, and the air outlet of barrel 2 is connected with tail gas treatment device 8 by discharge pipe 7.
As shown in Fig. 2 or 4, the pivotable parts of barrel 2 is fixedly connected in rotating shaft 13 by supporting spoke 12, rotating shaft 13 two ends are each passed through and are arranged on bracing frame 10 by bearing after airduct Connection Block 18,19, and rotating shaft 13 is provided with blade 14, one end of rotating shaft 13 is connected with power; The middle part of barrel 2 is cylindrical, two ends are in gradually little taper, the turnover bin gate 9 of barrel 2 is same sect and is arranged on blast pipe Connection Block 18, it is also circumferential equally distributed flight 11 that the inwall of barrel 2 is provided with axially extended three, the conical section inner screwy fin 11 corresponding with blast pipe Connection Block 18 is identical with flight 11 rotation direction in the cylindrical segment of middle part, and the conical section inner screwy fin 11 corresponding with discharge pipe Connection Block 19 is contrary with flight 11 rotation direction in the cylindrical segment of middle part.Power drive rotating shaft 13 is rotated, and rotating shaft 13 drives barrel 2 to rotate by supporting spoke 12 again.Material, from the turnover of hot wind inlet end, can guarantee that material obtains abundant drying in barrel 2.In the middle part of above-mentioned barrel 2 and the rotation direction plan of establishment of two ends spiral inner wall sheet 11 make turnover material smooth, during drying operation, material can not be piled up one end in barrel 2, and during discharging, the direction of rotation of barrel 2 is contrary with the direction of rotation of barrel 2 in charging and drying operation process.
As shown in Figure 3, the turnover bin gate 9 of barrel 2 is bivalve door structure, and two fan doors are articulated on screw rod 15 by connecting rod, and screw rod 15 two ends are arranged on support 16 by bearing, screw rod 15 is fanned two sections of thread rotary orientations corresponding to door with two contrary, one end of screw rod 15 is connected with rocking handle 17.Just can make two fan doors in opposite directions or opposing motion by rocking handle 17 rotating screw bolt 15, thus realize closing or opening turnover bin gate.Screw rod 15 also can pass through driven by motor.
As shown in Figure 2, the bottom of discharge pipe Connection Block 19 is square, the below being positioned at rotating shaft 13 in casing is provided with baffle plate 20, the steel bar 21 in gap is had to be connected each other by more than two between baffle plate 20 with barrel 2 lower limb, the underlying space of steel bar 21 forms material recycling cavity 29, and the sidewall in material recycle chamber 29 is provided with material recycle door 22.Because the reason manufacturing and assemble, gap is there is unavoidably between discharge pipe Connection Block 19 and barrel 2, during drying operation, barrel 2 is larger with the pushing force of the contact position material of discharge pipe Connection Block 19, material easily bleeds cooking stove from above-mentioned gap location and causes stove fire to extinguish, by arranging baffle plate 20 and steel bar 21, as long as allow the gap between steel bar 21 be greater than above-mentioned gap, a small amount of material will be bled by the gap between steel bar 21 29 li, material recycle chamber, reclaimed by material recycle door 22 again, thus can the problems referred to above be overcome.
As shown in Figure 5, tail gas treatment device 8 is spray structure, be made up of two process chambers 23,24, the top of two process chambers 23,24 is provided with shower 25, the bottom of two process chambers 23,24 communicates, the bottom of previous process chamber 23 is provided with discharge outlet 26, and inlet exhaust gas 27 is arranged on previous process chamber 23, and exhaust port 30 is arranged on a rear process chamber 24.A process chamber or plural multistep treatment room according to circumstances can be set in actual production, can farthest be removed as long as allow from H2S, SO2, the NH3 barrel 2 Exhaust Gas and dust, make final emission energy meet the requirement of environmental protection.
As shown in Figure 1, heating cooking stove 3 is brickwork construction, because barrel 2 is longer, needs the area of heating comparatively large, therefore on heating cooking stove 3, is provided with two stove doors 28.
operation principle: as shown in Figure 1 and Figure 2, rotation crank 17, turnover bin gate 9 is opened, feeding cylinder 2 is added by needing the material of dry process from turnover bin gate 9, blanking tube 2 is driven to rotate at power, material pushes 11 by flight that barrel is 2 li inwards, material is carried out stirring cutting by the blade 14 in rotating shaft 13 simultaneously in rotary course, prevent material from luming and sticking to barrel 2 inwall, barrel 2 is in heating process, the hot blast of heating 3 li, cooking stove sends into barrel 2 by air-introduced machine 4, and the material therefore in barrel 2 is in the heating, drying process of inside and outside thermal cycle.Reverse after drying materials barrel 2, and material just can be discharged from turnover bin gate 9.Facts have proved, adopt this drying unit, can viscosity paste or the high moisture material such as drying kinetics chemical product, agricultural product, poor slag, chicken manure, its thermal efficiency can bring up to more than 85%, also improves production efficiency simultaneously.
Claims (7)
1. an inner-outer circulation drying unit, comprise dryer (1), it is characterized in that: the swinging barrel (2) of described dryer (1) is positioned at the burner hearth of heating cooking stove (3), the side of heating cooking stove (3) is provided with air-introduced machine (4), the air inlet end of air-introduced machine (4) is connected by the burner hearth of pipeline (5) with heating cooking stove (3), the air opening end of air-introduced machine (4) is connected with the air inlet on barrel (2) by blast pipe (6), and the air outlet of barrel (2) is connected with tail gas treatment device (8) by discharge pipe (7).
2. a kind of inner-outer circulation drying unit as claimed in claim 1, it is characterized in that: the pivotable parts of described dryer (1) barrel (2) is fixedly connected in rotating shaft (13) by supporting spoke (12), rotating shaft (13) two ends are each passed through and are arranged on bracing frame (10) by bearing after airduct Connection Block (18,19), rotating shaft (13) is provided with blade (14), one end of rotating shaft (13) is connected with power; The middle part of barrel (2) is cylindrical, two ends are in gradually little taper, the turnover bin gate (9) of barrel (2) is for same sect and be arranged on blast pipe Connection Block (18), the inwall of barrel (2) is provided with axially extended flight (11), wherein corresponding with blast pipe Connection Block (18) conical section inner screwy fin (11) is identical with flight (11) rotation direction in the cylindrical segment of middle part, and the conical section inner screwy fin (11) corresponding with discharge pipe Connection Block (19) is contrary with flight (11) rotation direction in the cylindrical segment of middle part.
3. a kind of inner-outer circulation drying unit as claimed in claim 2, is characterized in that: the flight (11) of described barrel (2) inwall has three and is uniformly distributed in circumference.
4. a kind of inner-outer circulation drying unit as claimed in claim 2, it is characterized in that the turnover bin gate (9) of described barrel (2) is bivalve door structure, two fan doors are articulated on screw rod (15) by connecting rod, screw rod (15) two ends are arranged on support (16) by bearing, screw rod (15) is upper fans two sections of thread rotary orientations corresponding to door on the contrary with two, and one end of screw rod (15) is connected with rocking handle (17).
5. a kind of inner-outer circulation drying unit as claimed in claim 2, it is characterized in that: the bottom of described discharge pipe Connection Block (19) is square, the below being positioned at rotating shaft (13) in casing is provided with baffle plate (20), the steel bar in gap (21) is had to be connected each other by more than two between baffle plate (20) with barrel (2) lower limb, the underlying space of steel bar (21) forms material recycling cavity (29), and the sidewall of material recycle chamber (29) is provided with material recycle door (22).
6. a kind of inner-outer circulation drying unit as claimed in claim 1, it is characterized in that: described tail gas treatment device (8) is spray structure, be made up of two process chambers (23,24), the top of two process chambers (23,24) is provided with shower (25), the bottom of two process chambers (23,24) communicates, the bottom of previous process chamber (23) is provided with discharge outlet (26), inlet exhaust gas (27) is arranged on previous process chamber (23), and exhaust port (30) is arranged on a rear process chamber (24).
7. a kind of inner-outer circulation drying unit as claimed in claim 1, is characterized in that: described heating cooking stove (3) is brickwork construction, and heating cooking stove (3) is provided with two stove doors (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714718.7A CN104534855A (en) | 2014-12-02 | 2014-12-02 | Inner and outer circulation drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714718.7A CN104534855A (en) | 2014-12-02 | 2014-12-02 | Inner and outer circulation drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104534855A true CN104534855A (en) | 2015-04-22 |
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ID=52850429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714718.7A Pending CN104534855A (en) | 2014-12-02 | 2014-12-02 | Inner and outer circulation drying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104534855A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737549A (en) * | 2016-04-11 | 2016-07-06 | 天津市美隆制药机械有限公司 | Dynamic solid vacuum drying machine |
| WO2023044843A1 (en) * | 2021-09-23 | 2023-03-30 | 湖北富邦科技股份有限公司 | Efficient and rapid drying machine for granulated fertilizer and drying method |
-
2014
- 2014-12-02 CN CN201410714718.7A patent/CN104534855A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737549A (en) * | 2016-04-11 | 2016-07-06 | 天津市美隆制药机械有限公司 | Dynamic solid vacuum drying machine |
| WO2023044843A1 (en) * | 2021-09-23 | 2023-03-30 | 湖北富邦科技股份有限公司 | Efficient and rapid drying machine for granulated fertilizer and drying method |
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Application publication date: 20150422 |