CN204529638U - Sludge drier - Google Patents
Sludge drier Download PDFInfo
- Publication number
- CN204529638U CN204529638U CN201520143138.7U CN201520143138U CN204529638U CN 204529638 U CN204529638 U CN 204529638U CN 201520143138 U CN201520143138 U CN 201520143138U CN 204529638 U CN204529638 U CN 204529638U
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- China
- Prior art keywords
- mummification
- blade
- stator
- straight screw
- sludge drier
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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.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to sludge drier technical field, specifically discloses a kind of sludge drier, and comprise mummification axle group and the housing being located at mummification axle group outside, mummification axle group one end connects drive-motor, and the other end connects High Temperature Rotating junctor; Mummification axle group comprises two mummification axles be arranged in parallel; Housing comprises inner housing and body skin, is provided with thermal insulation layer between inner housing and body skin.The utility model structure is simple, heat utilization rate is high, effectively avoid materials from bonding and putty, mummification is effective, applied range, volume are little and cost is low.
Description
Technical field
The utility model belongs to sludge drier technical field, relates to a kind of sludge drier.
Background technology
In recent years, Urbanization in China is accelerated, and the generation of municipal effluent sharply increases.Country actively supports sewage treatment industry in policy and financial aspects, builds large quantities of municipal sewage plant, with protection of the environment, promotes the Sustainable development of national economy and ecotope, makes municipal effluent problem obtain alleviation to a certain degree.At present, " the semi-oriented burning " of mud provide steadily and surely feasible scheme for the flourishing city of domestic coastal and major cities in the hinterland's breaking sludge " difficult problem ".From technique: straight output of burning is little, and sludge disposal amount can not meet most municipal sludge outlet demand; And absolutely dryization adds cost of disposal, and poor stability, often need nitrogen protection measure, system complex.Therefore, mud " semi-oriented burning " has become the common recognition of insider.
Doing burning disposal after sludge drying, is not that water ratio is more low better, but the water ratio state that existence one is suitable, the calorific value that dewatered sludge is had can maintain spontaneous combustion, does not need additionally to add energy again.On the one hand, mud self-sustaining burning requires that water ratio is lower than 65% in theory, but actual water ratio to be less than when equaling 50% just applicable incineration disposal.On the other hand, sludge drying is to being the heat energy utilization limit during water ratio 30%, and exceed the mummification degree that this ratio obtains, the energy consumed is higher than the heat energy that dewatered sludge can utilize.Consider from calorific value angle, going to burn after sludge drying to water ratio 50-30% is economical rationality.According to related experiment interpretation of result display, moisture percentage in sewage sludge is just applicable to burning disposal when about 45% or calorific value >=1000Kcal, and its technique is relatively ripe, independently to burn or to mix burning all applicable.Simultaneously half dry state mud because of its physical property comparatively even, hot-restriking die is little, and comparatively consumer waste incineration is more stable, reliable, economical.
" design of drying equipment handbook " (International Standard Book Number: ISBN 978-7-111-25875-9) discloses a kind of blade dryer, this kind of drying machine comprises body shell, main drive shaft, driven shaft, main drive shaft, driven shaft lay respectively in body shell, and main drive shaft and driven shaft are respectively equipped with leaf oar.Main drive shaft and driven shaft one end is separately respectively equipped with the entrance of thermal medium, and main drive shaft and the driven shaft the other end is separately respectively equipped with the outlet corresponding to the entrance of thermal medium.During work, main drive shaft, driven shaft rotate respectively, thermal medium is as oil, the entrance that elder generation is provided with thermal medium from main drive shaft and driven shaft one end separately enters main drive shaft, driven shaft, after main drive shaft and driven shaft be separately provided with leaf oar inner chamber, then go out the external world from the outlet flow corresponding to entrance that main drive shaft and the driven shaft the other end are separately provided with.After thermal medium enters main drive shaft, driven shaft, by axle body and leaf oar, carry out heat exchange with the mud processed in body shell, achieved the object of sludge-drying.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, heat utilization rate is high, effectively avoid materials from bonding and putty, mummification is effective, applied range, volume are little and the sludge drier that cost is low.
For achieving the above object, the utility model by the following technical solutions: sludge drier, comprises mummification axle group and the housing being located at mummification axle group outside, mummification axle group one end connection drive-motor, and the other end connects High Temperature Rotating junctor; Mummification axle group comprises two mummification axles be arranged in parallel; Mummification axle comprises axis, and axis is provided with straight screw-blade, and straight screw-blade side is provided with slant spiral flights; Slant spiral flights one end is connected with axis, and the other end is connected with straight screw-blade, and straight screw-blade and slant spiral flights form a continuous print spiral space, and the spiral space on two mummification axles suits mutually; Be provided with the first heat-conducting medium pipe in axis, the first heat-conducting medium pipe is communicated with spiral space; Housing comprises inner housing and body skin, is provided with thermal insulation layer between inner housing and body skin; Inner housing comprises two J templates, is evenly distributed with the second heat-conducting medium pipe outside J template; Two J templates be arranged in parallel, form W shape space; Second heat-conducting medium pipe comprises two S bend pipes be located at respectively outside two J templates, and two S bend pipes are symmetrical arranged; Feed opening is provided with bottom inner housing and body skin.
High Temperature Rotating junctor comprises stator, and stator two ends are provided with left end cap and right end cap, and stator interior is arranged with rotor, is provided with bearing and oil jacket between stator and rotor, oil jacket and stator wringing fit, and oil jacket coordinates with rotor clearance; Stator is provided with oil inlet and outlet, and oil jacket is provided with the oilhole matched with oil inlet and outlet; Oil jacket quantity at least two, is set in parallel in stator, is provided with jump ring between oil jacket; Rotor is provided with turnover oilhole.
The pitch of straight screw-blade is 40-160mm, and the distance that straight screw-blade outer rim exceeds straight screw-blade and slant spiral flights junction is 3-10mm; Angle between slant spiral flights and axis is 60-80 °.
Distance between slant spiral flights bottom on straight screw-blade top in mummification axle group on a mummification axle and another mummification axle of being adjacent is 1-5mm.
One end of two S bend pipes is located at outside the junction of two J templates, and the other end symmetry is located at outside the two-arm in the W shape space that two J templates are formed; The arc that J template comprises riser and is connected with riser one end.
The length of axis is 2-2.5m.
Be provided with cover plate above housing, cover plate is provided with opening for feed.
High Temperature Rotating junctor outside is provided with shield cap.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, mummification axle comprises axis, and axis is provided with straight screw-blade, and straight screw-blade side is provided with slant spiral flights, and slant spiral flights one end is connected with axis, and the other end is connected with straight screw-blade, adopts endless spiral, is conducive to promoting material movement; Straight screw-blade and slant spiral flights form a continuous print spiral space, be provided with heat-conducting medium pipe in axis, heat-conducting medium pipe is communicated with spiral space, and heat-conducting medium enters continuous print spiral space, by continuous print screw-blade, material is heated, homogeneous heating; The distance that straight screw-blade outer rim exceeds straight screw-blade and slant spiral flights junction is 3-10mm, reserves the abrasion loss of straight screw-blade, avoids wearing and tearing causing the junction breach of screw-blade to cause heat-conducting medium to leak; Spiral space on two mummification axles suits mutually, make material stirring fully, be heated evenly; Distance between slant spiral flights bottom on straight screw-blade top on mummification axle and another mummification axle of being adjacent is 1-5mm, and the screw-blade on two mummification axles cooperatively interacts, and avoids occurring materials from bonding and putty.
2, in High Temperature Rotating junctor, establish oil jacket in stator, oil jacket and stator wringing fit, oil jacket coordinates with rotor clearance, avoids stator and directly contacts with rotor, strengthens the sealing property of oil circuit, avoids occurring Leakage; Oil jacket can arrange two or more, and the oilhole on each oil jacket and the oil inlet and outlet on stator can arrange multipair, and oil circuit is designed more flexible, turnover speed oil is faster; Each parts directly connect, and save the sealing elements such as gasket, strengthen resistance toheat; High Temperature Rotating junctor outside is provided with shield cap, more effectively prevents high-temperature medium from leaking.
3, housing comprises inner housing and body skin, and inner housing adopts two J templates to connect and compose W shape space in order to install the mummification spindle unit of sludge drier, and W shape space is more conducive to heating mud wherein; Heat-conducting medium pipe comprises two S bend pipes be located at respectively outside two J templates, two S bend pipes are symmetrical arranged, one end of two S bend pipes is located at outside the junction of two J templates, the other end symmetry is located at outside the two-arm in the W shape space that two J templates are formed, two symmetrically arranged S type heat-conducting medium pipes, the W shape space heating that heat-conducting medium is formed inner housing evenly; Be provided with thermal insulation layer between inner housing and body skin, effectively avoid heat losses, improve heat utilization rate.
4, the utility model adopts indirect mediators to carry out heat exchange, and heat-conducting medium temperature-10-300 DEG C, utilizes heat-source Cycles, and energy utilization efficiency is high; Containing solid scope after material mummification is 40-90%, and mummification is effective; The utility model is applicable to low-temperature material calcining, also can use as material cooling apparatus, be widely used; The utility model is compared with conventional materials drying equipment, and simple, the required construction investment of structure is few and floor space is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of mummification axle group;
Fig. 3 is the partial schematic diagram that mummification axle suits place;
Fig. 4 is the structural representation of High Temperature Rotating junctor;
Fig. 5 is the structural representation of housing;
Fig. 6 is the upward view of inner housing;
Fig. 7 is the structural representation of J template.
Embodiment
Sludge drier, comprise mummification axle group 4 and the housing 6 being located at mummification axle group 4 outside, mummification axle group 4 one end connects drive-motor 8, and the other end connects High Temperature Rotating junctor 3; Mummification axle group 4 comprises two mummification axles be arranged in parallel; Mummification axle comprises axis 402, and axis 402 is provided with straight screw-blade 404, and straight screw-blade 404 side is provided with slant spiral flights 403; Slant spiral flights 403 one end is connected with axis 402, and the other end is connected with straight screw-blade 404, and straight screw-blade 404 and slant spiral flights 403 form a continuous print spiral space, and the spiral space on two mummification axles suits mutually; Be provided with the first heat-conducting medium pipe 401, first heat-conducting medium pipe 401 in axis 402 to be communicated with spiral space; Housing 6 comprises inner housing 603 and body skin 601, is provided with thermal insulation layer 602 between inner housing 603 and body skin 601; Inner housing 603 comprises two J templates, is evenly distributed with the second heat-conducting medium pipe 604 outside J template; Two J templates be arranged in parallel, form W shape space; Second heat-conducting medium pipe 604 comprises two S bend pipes be located at respectively outside two J templates, and two S bend pipes are symmetrical arranged; Feed opening 1 is provided with bottom inner housing 603 and body skin 601.
High Temperature Rotating junctor 3 comprises stator 301, and stator 301 two ends are provided with left end cap 303 and right end cap 306, and stator 301 internal sleeve is provided with rotor 308, is provided with bearing 302 between stator 301 and rotor 308; Oil jacket 304 is provided with, oil jacket 304 and stator 301 wringing fit, oil jacket 304 and rotor 308 running fit between stator 301 and rotor 308; Stator 301 is provided with oil inlet and outlet 310, and oil jacket 304 is provided with the oilhole 309 matched with oil inlet and outlet 310; Oil jacket 304 quantity at least two, is set in parallel in stator 301, is provided with jump ring 305 between oil jacket 304; Rotor 308 is provided with turnover oilhole 307.In High Temperature Rotating junctor, be installed to by oil jacket 304 in stator 301, oil jacket 304 and stator 301 closely cooperate, and rotor 308 is installed in stator 301, rotor 308 and oil jacket 304 running fit; Oilhole 309 on oil jacket 304 matches with the oil inlet and outlet 310 on stator 301, it is two right that oilhole 309 and oil inlet and outlet 310 have at least, plane residing for every a pair is parallel to each other, have the turnover oilhole 307 matched with oilhole 309 in rotor 308, heat-conducting medium passes in and out rotary connector from turnover oilhole 307, oilhole 309 and oil inlet and outlet 310.
The pitch of straight screw-blade 404 is 40-160mm, and it is 3-10mm with the distance of slant spiral flights 403 junction that straight screw-blade 404 outer rim exceeds straight screw-blade 404; Angle between slant spiral flights 403 and axis 402 is 60-80 °.Distance between slant spiral flights 403 bottom on straight screw-blade 404 top in mummification axle group 4 on a mummification axle and another mummification axle of being adjacent is 1-5mm.One end of two S bend pipes is located at outside the junction of two J templates, and the other end symmetry is located at outside the two-arm in the W shape space that two J templates are formed; The arc 606 that J template comprises riser 605 and is connected with riser 605 one end.The length of axis 402 is 2-2.5m.Be provided with cover plate 5 above housing 6, cover plate is provided with opening for feed 7.High Temperature Rotating junctor 3 outside is provided with shield cap 2.
During work, if sludge drier only comprises a mummification axle group 4, namely cover plate 5 is located on the housing 6 of this mummification axle group 4 outside; If sludge drier comprises multiple mummification axle group 4, namely cover plate 5 is located on the housing 6 of mummification axle group 4 outside of the superiors.Material enters from cover plate 5 upper feeding mouth 7, drive-motor 8 drives mummification axle to rotate, straight screw-blade 404 and slant spiral flights 403 coordinate, stir-fry material and drive material to move forward to the other end of mummification axle group 4, the feed opening 1 that material is arranged from housing 6 one end discharges or enters the mummification axle group 4 of lower one deck, circulation stir-fries material, until material moisture reaches requirement.Heat-conducting medium enters the continuous helical space that straight screw-blade 404 and slant spiral flights 403 formed from the first heat-conducting medium pipe 401, heats material.Heat-conducting medium heats inner housing 603 in the second heat-conducting medium pipe 604 simultaneously, and then heats material.
Claims (8)
1. sludge drier, is characterized in that: comprise mummification axle group and the housing being located at mummification axle group outside, mummification axle group one end connects drive-motor, and the other end connects High Temperature Rotating junctor; Described mummification axle group comprises two mummification axles be arranged in parallel; Described mummification axle comprises axis, and axis is provided with straight screw-blade, and straight screw-blade side is provided with slant spiral flights; Described slant spiral flights one end is connected with axis, and the other end is connected with straight screw-blade, and straight screw-blade and slant spiral flights form a continuous print spiral space, and the spiral space on two mummification axles suits mutually; Be provided with the first heat-conducting medium pipe in described axis, the first heat-conducting medium pipe is communicated with spiral space; Described housing comprises inner housing and body skin, is provided with thermal insulation layer between inner housing and body skin; Described inner housing comprises two J templates, is evenly distributed with the second heat-conducting medium pipe outside J template; Described two J templates be arranged in parallel, form W shape space; Described second heat-conducting medium pipe comprises two S bend pipes be located at respectively outside two J templates, and two S bend pipes are symmetrical arranged; Feed opening is provided with bottom described inner housing and body skin.
2. sludge drier as claimed in claim 1, it is characterized in that: described High Temperature Rotating junctor comprises stator, stator two ends are provided with left end cap and right end cap, stator interior is arranged with rotor, bearing and oil jacket is provided with between stator and rotor, oil jacket and stator wringing fit, oil jacket coordinates with rotor clearance; Described stator is provided with oil inlet and outlet, and described oil jacket is provided with the oilhole matched with oil inlet and outlet; Described oil jacket quantity at least two, is set in parallel in stator, is provided with jump ring between oil jacket; Described rotor is provided with turnover oilhole.
3. sludge drier as claimed in claim 1, it is characterized in that: the pitch of described straight screw-blade is 40-160mm, the distance that straight screw-blade outer rim exceeds straight screw-blade and slant spiral flights junction is 3-10mm; Angle between described slant spiral flights and axis is 60-80 °.
4. sludge drier as claimed in claim 3, is characterized in that: the distance between the slant spiral flights bottom on the straight screw-blade top in described mummification axle group on a mummification axle and another mummification axle of being adjacent is 1-5mm.
5. sludge drier as claimed in claim 4, is characterized in that: one end of described two S bend pipes is located at outside the junction of two J templates, and the other end symmetry is located at outside the two-arm in the W shape space that two J templates are formed; The arc that described J template comprises riser and is connected with riser one end.
6. sludge drier as claimed in claim 5, is characterized in that: the length of described axis is 2-2.5m.
7. sludge drier as claimed in claim 6, is characterized in that: be provided with cover plate above described housing, cover plate is provided with opening for feed.
8. sludge drier as claimed in claim 7, is characterized in that: described High Temperature Rotating junctor outside is provided with shield cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143138.7U CN204529638U (en) | 2015-03-13 | 2015-03-13 | Sludge drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143138.7U CN204529638U (en) | 2015-03-13 | 2015-03-13 | Sludge drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204529638U true CN204529638U (en) | 2015-08-05 |
Family
ID=53743653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520143138.7U Withdrawn - After Issue CN204529638U (en) | 2015-03-13 | 2015-03-13 | Sludge drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204529638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743762A (en) * | 2015-03-13 | 2015-07-01 | 郑州汇腾环保设备有限公司 | Sludge drying machine |
| CN110155632A (en) * | 2019-05-29 | 2019-08-23 | 常州永佳干燥科技有限公司 | A kind of spiral dry conveyer and control method based on circulation conveying temperature and humidity control |
-
2015
- 2015-03-13 CN CN201520143138.7U patent/CN204529638U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743762A (en) * | 2015-03-13 | 2015-07-01 | 郑州汇腾环保设备有限公司 | Sludge drying machine |
| CN104743762B (en) * | 2015-03-13 | 2016-06-29 | 郑州汇腾环保设备有限公司 | Sludge drier |
| CN110155632A (en) * | 2019-05-29 | 2019-08-23 | 常州永佳干燥科技有限公司 | A kind of spiral dry conveyer and control method based on circulation conveying temperature and humidity control |
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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: 20150805 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |