CN207483600U - Twin shaft sludge dryer - Google Patents
Twin shaft sludge dryer Download PDFInfo
- Publication number
- CN207483600U CN207483600U CN201721453679.5U CN201721453679U CN207483600U CN 207483600 U CN207483600 U CN 207483600U CN 201721453679 U CN201721453679 U CN 201721453679U CN 207483600 U CN207483600 U CN 207483600U
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- sludge
- feed spool
- twin shaft
- blade
- feed
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Abstract
The utility model discloses a kind of twin shaft sludge dryers, and including babinet, the babinet is equipped with sludge import and sludge outlet, it is characterised in that：Equipped with two feed spools that structure is identical in the babinet, two feed spools are synchronous under the driving of power source, rotate backward；The feed spool is equipped with stirring blade, and the stirring blade includes wide blade and narrow blades, and multiple wide blades and multiple narrow blades are coiled on feed spool in the shape of a spiral, and the width blade is set close to sludge import；The narrow blades are coiled in close to what sludge outlet setting, the width blade and narrow blades were connected to each other on feed spool.The twin shaft sludge dryer of the utility model, by the size for changing stirring blade on feed spool, so that feed spool is fast in the feeding speed close to sludge entrance, feeding speed at sludge outlet is slow, the water content of output sludge is reduced with this, heat waste is small, sludge goes water rate that can accomplish more than 95%, reduces drying sludge cost.
Description
Technical field
The utility model is related to a kind of drying units, and in particular to a kind of twin shaft sludge dryer.
Background technology
Sludge is the byproduct of generation during sewage disposal, offal treatment, garbage disposal etc., and the composition of sludge is extremely
Complexity mainly contains about 90%~95% moisture and other organic substances that can be recycled, lot of trace member
Element and may cause dysgenic pathogenic microorganism, parasitic ovum and heavy metal etc. to environment, sludge is carried out it is innoxious,
Recycling treatment is an important topic of ecological environmental protection in world wide.
Final Treatment of Sludge mode is burning or other approach, is required for that sludge is dried.Sludge dries
For being dried sludge, traditional sludge dryer is rotated by screw feeding axis in housing for dry machine or drying machine, will
Sludge squeezes drying sludge from feeding mouth feeding to discharge port, in feeding process.But as sludge is constantly extruded baking
Dry, sludge volume is gradually reduced, in order to reduce the water content of output sludge, it is desirable that feed spool before treatment section and back segment with difference
Speed feeding, for example, sludge quicker close to sludge entrance feeding, slow, current close to feeding at sludge outlet
Dryer fails to consider this point.
Invention content
The utility model provides a kind of twin shaft sludge dryer, and heat waste is small, sludge goes water rate that can accomplish more than 95%, reduces
Drying sludge cost.
In order to solve the above-mentioned technical problem, the utility model provides a kind of twin shaft sludge dryer, described including babinet
Babinet is equipped with sludge import and sludge outlet, is equipped with feed spool in the babinet, in the babinet equipped with structure it is identical two
Feed spool described in root, two feed spools are synchronous under the driving of power source, rotate backward；
The feed spool is equipped with stirring blade, and the stirring blade includes wide blade and narrow blades, multiple wide leaves
Piece and multiple narrow blades are coiled on feed spool in the shape of a spiral, and the width blade is set close to sludge import；The narrow blades
What close sludge outlet setting, the width blade and narrow blades were connected to each other is coiled on feed spool.
In one preferred embodiment of the utility model, further comprise being equipped with axis hole in the feed spool, the axis hole
Both ends are respectively formed steam inlet and steam (vapor) outlet, are equipped with cavity in the width blade and narrow blades, right on the feed spool
Stirring blade is answered to be equipped with interface channel, the interface channel connects the cavity and axis hole.
In one preferred embodiment of the utility model, further comprise that the wide blade and narrow blades are wedge structure.
In one preferred embodiment of the utility model, further comprise the sludge entrance be equipped with funnel-shaped structure into
Feed bin.
In one preferred embodiment of the utility model, further comprise that the feed spool is externally provided with insulating layer.
In one preferred embodiment of the utility model, further comprise being additionally provided with cutoff board in the axis hole, the flow blocking
Axis hole is divided into the first drying channel and the second drying channel by plate, first drying channel and the second drying channel with steaming
Vapour entrance connects, and the other end of first drying channel is connected with steam (vapor) outlet, and the other end of second drying channel leads to
It crosses external channel and is connected to the steam inlet.
In one preferred embodiment of the utility model, further comprise being equipped with multiple supports in first drying channel
Plate, the support plate annular array are arranged in the first drying channel, and the cutoff board is mounted on logical by multiple support plates
On the inner wall of hole.
The twin shaft sludge dryer of the utility model, by the size for changing stirring blade on feed spool so that feed spool
Fast in the feeding speed close to sludge entrance, the feeding speed at sludge outlet is slow, and sludge is exported to reduce with this
Water content, heat waste is small, sludge goes water rate that can accomplish more than 95%, reduces drying sludge cost.
Description of the drawings
Fig. 1 is the structure diagram of the preferred embodiment in the utility model；
Fig. 2 is the structure diagram of sludge dryer feed spool in Fig. 1.
Wherein：2- babinets, 4- sludge imports, 6- sludge outlets, 8- feed spools, 10- axis holes, 12- steam inlets, 14- steam
Vapor outlet, 16- stirring blades, 18- cavitys, 20- interface channels, 22- feeding warehouses, 24- insulating layers, 26- cutoff boards, 28- first
Drying channel, the second drying channels of 30-, 32- support plates；
16a- wide blades, 16b- narrow blades.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment
As shown in Figs. 1-2, present embodiment discloses a kind of twin shaft sludge dryers, including babinet 2, are set on above-mentioned babinet 2
There are sludge import 4 and sludge outlet 6, the feeding warehouse 22 of funnel-shaped structure is equipped at sludge import 4, needs the sludge being dried
It is temporarily stored in feeding warehouse 22, so as to the continuous uninterrupted progress of drying sludge processing.In above-mentioned babinet 2 equipped with structure it is identical two
Root feed spool 8, the axial direction that two feed spools 8 are mutually parallel are threaded through in babinet 2, and two above-mentioned feed spools 8 are in the driving of power source
Lower synchronization rotates backward；In the present embodiment technical solution, power source is preferably driven using motor, can be corresponded to a feed spool 8
A motor is configured, can also two feed spools 8 motors are configured, two feed spools 8 is driven to synchronize, instead by gear drive
To rotation.
Above-mentioned feed spool 8 is equipped with stirring blade 16, and above-mentioned stirring blade 16 includes width blade 16a and narrow blades 16b, more
A above-mentioned wide blade 16a and multiple narrow blades 16b is coiled on feed spool 8 in the shape of a spiral, and above-mentioned width blade 16a is close to sludge
Import 4 is set；Above-mentioned narrow blades 16b is set close to sludge outlet 6, the disk that above-mentioned width blade 16a and narrow blades 16b are connected to each other
It is wound on feed spool.
Sludge is extruded between 2 inner wall of feed spool 8 and babinet from after entering in babinet 2 sludge import 4 and is transferred to sludge
Outlet 6 exports, in the present embodiment technical solution, by the size for changing stirring blade 16 on feed spool 8 so that feed spool 8 exists
Feeding speed at sludge import 4 is fast, and the feeding speed at sludge outlet 6 is slow, and adjustment process does not need to change electricity
The rotating speed of machine.With this, it can be reduced in the leading portion of processing and the feeding speed of back segment by feed spool 8 and be exported at sludge outlet 6
The water content of sludge, sludge go water rate that can accomplish more than 95%.
As further improvement of the utility model, axis hole 10, the both ends point of above-mentioned axis hole 10 are equipped in above-mentioned feed spool 8
Not Xing Cheng steam inlet 12 and steam (vapor) outlet 14, be equipped with cavity 18, above-mentioned feeding in above-mentioned wide blade 16a and narrow blades 16b
Stirring blade 16 is corresponded on axis 8 and is equipped with interface channel 20, above-mentioned interface channel 20 connects above-mentioned cavity 18 and axis hole 10.
Steam is conducted through interface channel 20 to the cavity 18 of stirring blade 16 after entering in axis hole 10, that is, steam warp
Feed spool 8 is flowed through in stirring blade 16, and it is big to which thereby enhance heat transfer area in unit dischargeable capacity, by indirect conduction heating,
It does not carry air and takes away heat, heat is used for heating sludge, and thermal loss is small, reduces drying sludge cost.
On the other hand, in twin shaft feeding process, sludge is heated when squeezing sludge, the drying of sludge can be greatly speeded up
Efficiency.
Above-mentioned stirring blade 16 be wedge structure, the stirring blade 16 of wedge structure, heat-transfer area have self-cleaning function,
The relative motion of sludge and lozenges generates the effect of scrubbing, and can wash off the sludge adhered on lozenges, rotate feed spool
It is always maintained at this clean heat-transfer area in the process.
Above-mentioned feed spool 8 is externally provided with insulating layer 24, and insulating layer 24 can be further reduced thermal loss.
As further improvement of the utility model, cutoff board 26 is additionally provided in above-mentioned axis hole 10, above-mentioned cutoff board 26 will
Axis hole 10 is divided into the first drying channel 28 and the second drying channel 30, above-mentioned first drying channel, 28 and second drying channel 30
It is connected with steam inlet 12, the other end of above-mentioned first drying channel 28 is connected with steam (vapor) outlet 14, and above-mentioned second drying is logical
The other end in road 30 is connected to above-mentioned steam inlet 12 by external channel.In first drying channel 28 and the second drying channel 30
Steam is passed through, the steam heat transfer block in the first drying channel 28 close with stirring blade 16, in the second drying channel 30
Steam heat transfer in the first drying channel of steam heat transfer ratio 28 is slow, and the steam in the second drying channel 30 can form the first drying
The insulating layer of steam in channel 28, it is ensured that the moisture content of sludge can reach 20%~25% after processing；At the same time, the second drying
The other end in channel 30 is connected to above-mentioned steam inlet by external channel, accomplishes that the secondary cycle of steam utilizes, further
Reduce thermal losses.
Further, multiple support plates 32 are equipped in above-mentioned first drying channel 28, above-mentioned 32 annular array of support plate
It is arranged in the first drying channel 28, above-mentioned cutoff board 26 is mounted on by multiple support plates 32 on 10 inner wall of through-hole.Support plate
Cutoff board 26 is mounted in axis hole 10 by 32 one side, and on the other hand, support plate 32 will be separated into more in first drying channel 28
A heat transfer path, further improves the heat transfer area in unit dischargeable capacity, and the heat of thermal medium is used for heating sludge, subtracts
Small heat waste.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
It changes, is within the protection scope of the utility model.The scope of protection of the utility model is subject to claims.
Claims (7)
1. a kind of twin shaft sludge dryer, including babinet, the babinet is equipped with sludge import and sludge outlet, in the babinet
Equipped with feed spool, it is characterised in that：Equipped with two feed spools that structure is identical in the babinet, two feed spools are dynamic
It synchronizes, rotate backward under the driving in power source；
The feed spool is equipped with stirring blade, and the stirring blade includes wide blade and narrow blades, multiple wide blades and
Multiple narrow blades are coiled on feed spool in the shape of a spiral, and the width blade is set close to sludge import；The narrow blades are close
What sludge outlet setting, the width blade and narrow blades were connected to each other is coiled on feed spool.
2. twin shaft sludge dryer as described in claim 1, it is characterised in that：Axis hole, the axis are equipped in the feed spool
The both ends in hole are respectively formed steam inlet and steam (vapor) outlet, and cavity, the feed spool are equipped in the width blade and narrow blades
Upper corresponding stirring blade is equipped with interface channel, and the interface channel connects the cavity and axis hole.
3. twin shaft sludge dryer as described in claim 1, it is characterised in that：The width blade and narrow blades are wedge-shaped knot
Structure.
4. twin shaft sludge dryer as described in claim 1, it is characterised in that：The sludge entrance is equipped with funnel-shaped structure
Feeding warehouse.
5. twin shaft sludge dryer as described in claim 1, it is characterised in that：The feed spool is externally provided with insulating layer.
6. such as claim 1-5 any one of them twin shaft sludge dryers, it is characterised in that：Flow blocking is additionally provided in the axis hole
Axis hole is divided into the first drying channel and the second drying channel by plate, the cutoff board, and first drying channel and second are dried
Dry passage is connected with steam inlet, and the other end of first drying channel is connected with steam (vapor) outlet, and second drying is logical
The other end in road is connected to the steam inlet by external channel.
7. twin shaft sludge dryer as claimed in claim 6, it is characterised in that：Multiple are equipped in first drying channel
Fagging, the support plate annular array are arranged in the first drying channel, and the cutoff board is mounted on by multiple support plates
On through-hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453679.5U CN207483600U (en) | 2017-11-03 | 2017-11-03 | Twin shaft sludge dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453679.5U CN207483600U (en) | 2017-11-03 | 2017-11-03 | Twin shaft sludge dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207483600U true CN207483600U (en) | 2018-06-12 |
Family
ID=62479218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721453679.5U Active CN207483600U (en) | 2017-11-03 | 2017-11-03 | Twin shaft sludge dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207483600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526545A (en) * | 2019-09-24 | 2019-12-03 | 南京中电环保固废资源有限公司 | A kind of sludge drying machine that can be combined adjustment to internal structure according to sludge quality |
-
2017
- 2017-11-03 CN CN201721453679.5U patent/CN207483600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526545A (en) * | 2019-09-24 | 2019-12-03 | 南京中电环保固废资源有限公司 | A kind of sludge drying machine that can be combined adjustment to internal structure according to sludge quality |
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