CN201058838Y - Heat-conductive sludge drying apparatus - Google Patents
Heat-conductive sludge drying apparatus Download PDFInfo
- Publication number
- CN201058838Y CN201058838Y CNU2007200380716U CN200720038071U CN201058838Y CN 201058838 Y CN201058838 Y CN 201058838Y CN U2007200380716 U CNU2007200380716 U CN U2007200380716U CN 200720038071 U CN200720038071 U CN 200720038071U CN 201058838 Y CN201058838 Y CN 201058838Y
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- CN
- China
- Prior art keywords
- outer tube
- heat
- transmission shaft
- shell
- sludge drying
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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.)
- Expired - Fee Related
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- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a heat conduction type sludge drying device, comprising a shell (1) and a transmission shaft (5), wherein, the upper part of the shell (1) is provided with a feed inlet (8) and an exhaust port (11); the lower part of the shell (1) is provided with a material discharge port (2); the transmission shaft (5) is arranged inside the shell (1); a propeller blade (7) is arranged on the transmission shaft (5); the transmission shaft (5) comprises an inner pipe (51) and an outer pipe (55); the outer pipe (55) is sleeved outside the inner pipe (51); a heat medium discharge pipe (52) of the propeller blade (7) is arranged between the inner pipe (51) and the outer pipe (55). In order to make full use of the shaft surface with larger shaft diameter, the utility model has the transmission shaft designed to be two concentric pipes, which reduces the circulation sectional area of heat medium at the position of a wall surface in contact with sludge, improves the flow velocity of heat medium inside the shaft, and increases the heat transfer coefficient between heat medium and sludge.
Description
Technical field
The utility model relates to a kind of indirect heating type drying installation, relates in particular to a kind of heat-conducting type sludge drying mechanism that is used to handle mud.
Background technology
The indirect heating type drying sludge is compared with direct gas flow formula drying sludge, has drying process safety, peculiar smell and is easy to advantages such as processing, thermo-efficiency height, utility appliance are few.At present, the indirect heating type drying sludge adopts the wedge shape paddle-dryer mostly, claim the hollow blade drying machine again, but the indirect heating type drying machine maximizes and to have following technical problem: 1, heating medium in blade, transmission shaft, in the blade and in the shell flow velocity very low, heat transfer coefficient is not high.2, in order to make hot and cold medium separately, need usually transmission shaft is cut open, the centre adds a dividing plate, and rigidity, the intensity of transmission shaft reduce greatly.3, owing to the blade form complexity, blade pitch is bigger, and it is very big that the single device heat transfer area can not be done, so single device sludge-drying amount is little.
Summary of the invention
The utility model provides a kind of heat transfer coefficient height, the fast heat-conducting type sludge drying mechanism of rate of drying.
The utility model adopts following technical scheme:
A kind of heat-conducting type sludge drying mechanism, comprise shell, transmission shaft, be provided with charging opening and venting port on the top of shell, bottom at shell is provided with discharge gate, transmission shaft is located at the inside of shell, on transmission shaft, be provided with the paddle sheet, transmission shaft comprises interior pipe, outer tube, one end of outer tube is the heating agent import, the other end is heating agent outlet, and the outside of pipe in outer tube sleeve is located at is provided with second plug between the outer tube in outer tube heating agent exit and interior pipe, between interior pipe and outer tube, be provided with the thermal medium vent pipe of paddle sheet, and on outer tube, be provided with through hole and be connected with the paddle sheet.
Compared with prior art, the utlity model has following advantage:
1, heat transfer coefficient height, the rate of drying between the utility model thermal medium and mud is fast.Existing heat-conducting type drying machine Hollow Transmission Shafts diameter is bigger, the velocity of flow of thermal medium in axle is slower, the utility model is in order to make full use of the axle surface in larger axis footpath, transmission shaft is designed to two concentric tube structures, reduced thermal medium actual internal area with the contacted wall of mud place, improve the velocity of flow of heating agent in axle, increased the heat transfer coefficient between heating agent and mud.
Simultaneously, owing to be provided with partition panel and flow deflector in the paddle sheet of the present utility model, be provided with first flow deflector pressing close to cavity top place, and leave the gap between first flow deflector and the outer tube, be provided with second flow deflector pressing close to the outer tube place, leave the gap between second flow deflector and the collar, and first flow deflector and second flow deflector are spaced, the paddle sheet of this structure, organize the flow trace of thermal medium in the paddle sheet effectively, avoided the dead band, reduced aisle spare, make the flow velocity of thermal medium in paddle increase, improved the heat-transfer effect between heating agent and mud.
2, the utility model intensity height.Because the utility model adopts two concentric transmission shaft structures, need not to cut open transmission shaft and add dividing plate, rigidity, the intensity of transmission shaft have been improved greatly, simultaneously, the paddle plate shape is simple, and blade pitch is little, compact construction, the single device heat transfer area can be done greatly, therefore can improve the drying treatment ability of single device.
3, external jacket heat-transfer effect of the present utility model is good.The utility model is provided with external jacket in the outside of heat-conducting type sludge drying mechanism, also be provided with flow deflector in the external jacket, improved the flow velocity of thermal medium in chuck, strengthened the heat-transfer effect of chuck, flow deflector well is connected shell with the drying machine inwall simultaneously, has improved the withstand voltage properties of chuck.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the sectional view of transmission shaft in the utility model.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the structural representation of external jacket and housing.
Fig. 5 is the vertical view of external jacket.
Have among the above figure: 1, shell 2, discharge gate 4, external jacket 41, top board 42, flow deflector 43, jacket body 44, thermal medium outlet 45, thermal medium import 5, transmission shaft 51, interior pipe 52, thermal medium vent pipe 54, through hole 55, outer tube 58, first plug 57, second plug 61, thermal medium import swivel joint 62, thermal medium outlet swivel joint 7, paddle sheet 71, partition panel 72, collar 731, first flow deflector 732, second flow deflector 74, side plate 75, cavity 8, charging opening 9, guide plate 10, scrape tablet 11, venting port 12, blower fan 14, spray column 17, roasting kiln
Embodiment
A kind of heat-conducting type sludge drying mechanism, comprise shell 1, transmission shaft 5, be provided with charging opening 8 and venting port 11 on the top of shell 1, be provided with discharge gate 2 in the bottom of shell 1, transmission shaft 5 is located at the inside of shell 1, on transmission shaft 5, be provided with paddle sheet 7, pipe 51 in transmission shaft 5 comprises, outer tube 55, one end of outer tube 55 is the heating agent import, the other end is the heating agent outlet, the outside of pipe 51 in outer tube 55 is set in, between the outer tube 55 in outer tube 55 heating agent exits and interior pipe 51, be provided with second plug 57, between interior pipe 51 and outer tube 55, be provided with the thermal medium vent pipe 52 of paddle sheet 7, and being provided with through hole 54 on outer tube 55 is connected with paddle sheet 7, end in close outer tube 55 heating agent imports one side of interior pipe 51 is provided with first plug 58, paddle sheet 7 comprises cavity 75, between outer tube 55 and cavity 75, be provided with partition panel 71, and partition panel 71 is between the thermal medium vent pipe 52 and through hole 54 of corresponding paddle sheet, on cavity 75, be provided with first flow deflector 731, leave the gap between first flow deflector 731 and the outer tube 55, on outer tube 55, be provided with second flow deflector 732, leave the gap between the top of second flow deflector 732 and cavity 75, first flow deflector 731 and second flow deflector 732 are spaced.Wherein, cavity 75 can be realized in the following manner: cavity 75 comprises two side plates 74, is provided with collar 72 in side plate 74 upper ends, and is provided with guide plate 9 at collar 72, side plate 74 and 55 of outer tubes.
In the present embodiment, on the wall of shell 1, be provided with and scrape tablet 10, be provided with external jacket 4 in the outside of shell 1, external jacket 4 comprises jacket body 43, on jacket body 43, be provided with top board 41, on jacket body 43, be provided with thermal medium import 3 and thermal medium outlet 1, in jacket body 43, be provided with flow deflector 42.
In the present embodiment, the utility model comprises blower fan 12, spray column 14, roasting kiln 17, venting hole 11 is connected with the import of blower fan 12, the outlet of blower fan 12 is connected with the import of spray column 14, the outlet of spray column 14 is connected with the import of roasting kiln 17, working process of the present utility model is as follows: heating medium (hot water, water vapor or high temperature heat conductive oil) send in transmission shaft and the chuck, drying machine inwall and several hollow blades of being welded on the transmission shaft are heated, deliver to wet mud in the drying machine by charging machine, directly contact with the drying machine inwall of heating and several hollow blade outer walls that are welded on the transmission shaft, mud obtains heating and is dried, being bonded on the hollow blade outer wall mud draws together down by drawing together tablet, and under the rotation of blade, move forward by the guide plate that is welded in the hollow blade outer end, last dewatered sludge is discharged by discharge port, the water vapor and the non-condensable gases that evaporate (comprise gas with foreign flavor, obnoxious flavour) send into the spray column cool-down dehumidification by blower fan after, remaining non-condensable gases is sent into incinerator or roasting kiln burning, discharges behind pyrolytic decomposition.
Claims (7)
1. heat-conducting type sludge drying mechanism, comprise shell (1), transmission shaft (5), be provided with charging opening (8) and venting port (11) on the top of shell (1), be provided with discharge gate (2) in the bottom of shell (1), transmission shaft (5) is located at the inside of shell (1), on transmission shaft (5), be provided with paddle sheet (7), it is characterized in that transmission shaft (5) comprises interior pipe (51), outer tube (55), one end of outer tube (55) is the heating agent import, the other end is the heating agent outlet, outer tube (55) is set in the outside of interior pipe (51), between the outer tube (55) in outer tube (55) heating agent exit and interior pipe (51), be provided with second plug (57), between interior pipe (51) and outer tube (55), be provided with the thermal medium vent pipe (52) of paddle sheet (7), and on outer tube (55), be provided with through hole (54) and be connected with paddle sheet (7).
2. heat-conducting type sludge drying mechanism according to claim 1 is characterized in that being provided with first plug (58) in the end of close outer tube (55) heating agent import one side of interior pipe (51).
3. heat-conducting type sludge drying mechanism according to claim 1, it is characterized in that described paddle sheet (7) comprises cavity (75), between outer tube (55) and cavity (75), be provided with partition panel (71), and partition panel (71) is positioned between the thermal medium vent pipe (52) and through hole (54) of corresponding paddle sheet, on cavity (75), be provided with first flow deflector (731), leave the gap between first flow deflector (731) and the outer tube (55), on outer tube (55), be provided with second flow deflector (732), leave the gap between the top of second flow deflector (732) and cavity (75).
4. heat-conducting type sludge drying mechanism according to claim 3 is characterized in that described first flow deflector (731) and second flow deflector (732) are spaced.
5. according to claim 1 or 2 or 3 or 4 described heat-conducting type sludge drying mechanisms, it is characterized in that being provided with external jacket (4) in the outside of shell (1).
6. heat-conducting type sludge drying mechanism according to claim 5, it is characterized in that external jacket (4) comprises jacket body (43), on jacket body (43), be provided with top board (41), on jacket body (43), be provided with thermal medium import (45) and thermal medium outlet (44), in jacket body (43), be provided with flow deflector (42).
7. heat-conducting type sludge drying mechanism according to claim 6, it is characterized in that this heat-conducting type sludge drying mechanism comprises blower fan (12), spray column (14), roasting kiln (17), venting port (11) is connected with the import of blower fan (12), the outlet of blower fan (12) is connected with the import of spray column (14), and the outlet of spray column (14) is connected with the import of roasting kiln (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200380716U CN201058838Y (en) | 2007-05-30 | 2007-05-30 | Heat-conductive sludge drying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200380716U CN201058838Y (en) | 2007-05-30 | 2007-05-30 | Heat-conductive sludge drying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201058838Y true CN201058838Y (en) | 2008-05-14 |
Family
ID=39407300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200380716U Expired - Fee Related CN201058838Y (en) | 2007-05-30 | 2007-05-30 | Heat-conductive sludge drying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201058838Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585653B (en) * | 2008-10-20 | 2011-07-20 | 中国华电工程(集团)有限公司 | Method and device for reutilizing waste heat in sludge drying system |
| CN104773778A (en) * | 2015-04-02 | 2015-07-15 | 东南大学 | Horizontal type rotating blade evaporator |
| CN111998366A (en) * | 2020-08-24 | 2020-11-27 | 济南山源环保科技有限公司 | High-calorific-value sludge drying and incinerating process |
-
2007
- 2007-05-30 CN CNU2007200380716U patent/CN201058838Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585653B (en) * | 2008-10-20 | 2011-07-20 | 中国华电工程(集团)有限公司 | Method and device for reutilizing waste heat in sludge drying system |
| CN104773778A (en) * | 2015-04-02 | 2015-07-15 | 东南大学 | Horizontal type rotating blade evaporator |
| CN104773778B (en) * | 2015-04-02 | 2016-07-06 | 东南大学 | Horizontal rotary blade vaporizer |
| CN111998366A (en) * | 2020-08-24 | 2020-11-27 | 济南山源环保科技有限公司 | High-calorific-value sludge drying and incinerating process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 |