CN108571876B - Transverse-row shaft type sludge dryer - Google Patents
Transverse-row shaft type sludge dryer Download PDFInfo
- Publication number
- CN108571876B CN108571876B CN201810708513.6A CN201810708513A CN108571876B CN 108571876 B CN108571876 B CN 108571876B CN 201810708513 A CN201810708513 A CN 201810708513A CN 108571876 B CN108571876 B CN 108571876B
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- Prior art keywords
- hollow rotating
- shell
- hollow
- sludge
- fan
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- 239000010802 sludge Substances 0.000 title claims abstract description 80
- 238000001035 drying Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a horizontal shaft type sludge dryer which comprises a shell, a plurality of hollow rotating shafts, a power device for driving the hollow rotating shafts to rotate and a steam distribution box for providing superheated steam, wherein the hollow rotating shafts are arranged on the shell; a drying cavity is formed in the shell, a feed inlet is formed in the upper part of one end of the shell, and a discharge outlet is formed in the lower part of the other end of the shell; the hollow rotating shafts are transversely and parallelly arranged in the drying cavity and are sequentially arranged from the feed inlet to the discharge outlet along the moving direction of the materials; the periphery of each hollow rotating shaft is provided with a plurality of hollow fan-shaped blades in sequence along the axial direction, the inner cavities of the fan-shaped blades are communicated with the inner cavity of the hollow rotating shaft, and the hollow rotating shaft is provided with an air inlet; the steam distribution box is communicated with the air inlet; the power device is in transmission connection with the hollow rotating shaft to drive the hollow rotating shaft to rotate towards the discharging direction. According to the utility model, the interval between the paddles is small through the arrangement of the horizontal shafts, the sludge layer between the paddles is thin, and the drying efficiency is high.
Description
Technical Field
The utility model relates to the technical field of sludge treatment, in particular to a transverse shaft type sludge dryer.
Background
The sludge dryer can be widely applied to various sludge such as activated sludge drying, sewage sludge drying, petrochemical sludge drying, papermaking sludge drying, printing and dyeing sludge drying, tanning sludge drying, electroplating sludge drying, municipal sludge drying, biological fermentation fungus residues and other high-humidity materials such as various residues and the like.
At present, a sludge dryer is generally provided with a rotating shaft which is longitudinally arranged, a plurality of paddles are spirally arranged on the rotating shaft, and sludge is turned over and stirred through rotation of the paddles and moves along a spiral track along with the rotating shaft to an outlet. However, in order to prevent the rotating shaft from being stressed too much, the number of the paddles is not too much, the interval between the paddles is large, the sludge layer between the paddles is thicker, and the drying efficiency is low.
The utility model patent of Chinese patent data with the application number of CN201520535627.7 discloses a paddle sludge dryer, which comprises the following technical scheme: a paddle sludge dryer, characterized in that the paddle sludge dryer comprises: the device comprises a jacket, a shell, a 1 st paddle shaft, a 2 nd paddle shaft, a machine base and a transmission mechanism; the shell is fixedly arranged on the base; the jacket is sleeved outside the shell, so that a heat conducting medium transmission channel is formed between the jacket and the shell; the upper end of the heat conducting medium transmission channel is provided with a medium inlet, and the lower end of the heat conducting medium transmission channel is provided with a medium outlet; the inner cavity of the shell forms a sludge treatment cavity; one end of the sludge treatment cavity is provided with a sludge inlet, and the other end of the sludge treatment cavity is provided with a sludge discharge port; the 1 st paddle shaft and the 2 nd paddle shaft are arranged in the sludge treatment cavity and are used for rotating under the drive of the transmission mechanism so as to stir sludge in the sludge treatment cavity; in addition, the ends of the 1 st paddle shaft and the 2 nd paddle shaft are respectively provided with a heat-conducting medium inlet and a heat-conducting medium outlet which are communicated with the heat-conducting medium heating station to form a circulating medium supply loop.
The scheme is provided with two paddle shafts, and when the sludge is dried, the sludge is stirred at the same time; then above-mentioned scheme still adopts the mode of axial transport mud, and this kind of mode pivot atress is too big, leads to the density of paddle to set up too high to the thickness of mud layer is great, and dry inefficiency.
Disclosure of Invention
The utility model aims to provide a transverse shaft type sludge dryer, which is arranged through a transverse shaft, so that the distance between paddles is small, the sludge layer between paddles is thin, and the drying efficiency is high.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
a horizontal shaft type sludge dryer comprises a shell, a plurality of hollow rotating shafts, a power device for driving the hollow rotating shafts to rotate and a steam distribution box for providing superheated steam; a drying cavity is formed in the shell, a feed inlet is formed in the upper part of one end of the shell, and a discharge outlet is formed in the lower part of the other end of the shell; the hollow rotating shafts are transversely and parallelly arranged in the drying cavity, and are sequentially arranged from the feed inlet to the discharge outlet along the moving direction of the materials; the periphery of each hollow rotating shaft is sequentially provided with a plurality of hollow fan-shaped blades along the axial direction, the inner cavities of the fan-shaped blades are communicated with the inner cavities of the hollow rotating shafts, and the hollow rotating shafts are provided with air inlets; the steam distribution box is communicated with the air inlet; the power device is in transmission connection with the hollow rotating shaft to drive the hollow rotating shaft to rotate towards the discharging direction.
Compared with the prior art, the utility model has the beneficial effects that:
the sludge dryer provided by the utility model has the advantages that the inside of the shell is provided with the plurality of hollow rotating shafts, the hollow rotating shafts are provided with the plurality of hollow fan-shaped blades, the inner cavities of the fan-shaped blades are communicated with the inner cavities of the hollow rotating shafts, and superheated steam is provided for the hollow rotating shafts through the steam distribution box to heat the fan-shaped blades. When the device works, the rotating shaft drives the blades to rotate, the sludge is overturned and stirred, the sludge is heated by the fan-shaped blades, the heating interface is continuously updated, the surface moisture contained in the sludge is evaporated, the sludge is dried, and meanwhile, the sludge is conveyed to the direction of the discharge port along with the rotation of the fan-shaped blades. Finally, the dried sludge is discharged from the discharge port.
Compared with a dryer with a longitudinal shaft, the utility model has the advantages that the rigidity requirement on the shaft is reduced, the number of blades in the unit length direction on the shaft can be greatly increased, the heat exchange area is increased, the thickness of sludge layers among blades is reduced, the heat transfer effect is improved, and the drying is rapid. Meanwhile, as the rigidity requirement of the hollow rotating shaft is reduced, standard steel pipes can be selected, and the manufacturing cost is reduced. On the other hand, as the hollow rotating shaft is transversely arranged, the sludge dryer can throw wet sludge into the feeding port along the axial direction in a large area in a multi-point mode; the gaps among the blades can be flexibly adjusted according to different shapes of the sludge in the dryer; according to the sludge characteristics and the requirements of the water content of the outlet sludge, the length and the width of the equipment are flexibly adjusted.
The further improvement scheme of the utility model is as follows:
further, the thickness of each of the fan-shaped blades increases in order from one end to the other end in the rotation direction.
Through adopting above-mentioned scheme, set up fan-shaped blade into along rotation direction from one end to the increase of other end thickness, form wedge blade, utilize wedge blade, make the mud on the blade self-cleaning, prevent "axle locking" phenomenon in the sludge drying process.
Further, the bottom surface of drying chamber is equipped with a plurality of recess, and the recess with hollow pivot one-to-one, the cell wall of recess is followed fan-shaped blade's global setting, and fan-shaped blade's lower half sets up in the recess.
Through adopting above-mentioned scheme, guarantee that mud removes to the discharge gate from the feed inlet smoothly in the drying process, prevent that mud from piling up in dry chamber bottom.
Further, the power device is in transmission connection with one of the hollow rotating shafts, and any two adjacent hollow rotating shafts are in transmission connection.
Further, adjacent hollow rotating shafts are in transmission connection through a transmission chain.
By adopting the scheme, the stability of the equipment is improved, and the maintenance cost is reduced.
Further, a sludge conveyor is arranged below the discharge hole.
By adopting the scheme, the dried sludge is discharged from the discharge port and directly enters the next working procedure through the sludge conveyor.
Further, the device also comprises a frame, and the shell is arranged on the frame.
Through adopting above-mentioned scheme, the frame holds in the palm the casing height, makes things convenient for operating personnel to operate and observe the machine operation.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a right side view of fig. 1.
The figure shows:
1. a housing; 101. a feed inlet; 102. a discharge port; 103. a drying chamber; 104. a groove;
2. a hollow rotating shaft; 201. an air inlet;
3. a power device;
4. a steam distribution box;
5. fan-shaped blades;
6. a sludge conveyor;
7. a frame;
8. and a transmission chain.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a right side view of fig. 1.
As shown in fig. 1 to 3, the embodiment provides a horizontal shaft type sludge dryer, which comprises a shell 1, a plurality of hollow rotating shafts 2, a power device 3 for driving the hollow rotating shafts to rotate, and a steam distribution box 4 for providing superheated steam.
A drying cavity 103 is formed in the shell 1, a feeding hole 101 is formed in the upper portion of one end of the shell 1, and a discharging hole 102 is formed in the lower portion of the other end of the shell 1.
The hollow shafts 2 are disposed in parallel in the drying chamber 103 in a lateral direction and are arranged in sequence from the feed port 102 to the discharge port 102 in the material moving direction.
The peripheral surface of each hollow rotating shaft 2 is sequentially provided with a plurality of hollow fan-shaped blades 5 along the axial direction, the inner cavities of the fan-shaped blades 5 are communicated with the inner cavities of the hollow rotating shafts 2, and the hollow rotating shafts 2 are provided with air inlets 201.
The steam distribution box 4 is communicated with the air inlet 201.
The power device 3 is in transmission connection with the hollow rotating shaft 2 to drive the hollow rotating shaft 2 to rotate towards the discharging direction.
Specifically, each fan-shaped blade 5 increases in thickness sequentially from one end to the other end in the rotation direction.
Specifically, the bottom surface of the drying cavity 103 is provided with a plurality of grooves 104, the grooves 104 are in one-to-one correspondence with the hollow rotating shafts 2, the groove walls of the grooves 104 are arranged along the peripheral surfaces of the fan-shaped blades 5, and the lower half parts of the fan-shaped blades 5 are arranged in the grooves 104.
Specifically, the power device 3 is in transmission connection with one of the hollow rotating shafts 2, and any two adjacent hollow rotating shafts 2 are in transmission connection through a transmission chain.
Specifically, a sludge conveyor 6 is arranged below the discharge port 102.
Specifically, the housing 1 is provided on the frame 7.
Specifically, the shell 1 is further provided with a plurality of upper covers, and the upper covers are fixed through flange bolts, so that the upper covers are conveniently opened for maintenance.
The sludge dryer provided by the embodiment is characterized in that a plurality of hollow rotating shafts 2 are arranged in the shell 1, a plurality of hollow fan-shaped blades 5 are arranged on the hollow rotating shafts 2, the inner cavities of the fan-shaped blades 5 are communicated with the inner cavities of the hollow rotating shafts 2, and superheated steam is provided in the hollow rotating shafts 2 through a steam distribution box 4 to heat the fan-shaped blades. When the device works, the rotating shaft drives the blades to rotate, the sludge is overturned and stirred, the fan-shaped blades 5 are used for heating the sludge, the heating interface is continuously updated, the surface moisture contained in the sludge is evaporated, the sludge is dried, and meanwhile, the sludge is conveyed to the direction of the discharge port along with the rotation of the fan-shaped blades. Finally, the dried sludge is discharged from the discharge port.
Compared with a dryer with a longitudinal shaft arrangement, the embodiment has the advantages that the rigidity requirement on the shaft is reduced, the number of blades in the unit length direction on the shaft can be greatly increased, the heat exchange area is increased, the thickness of sludge layers among blades is reduced, the heat transfer effect is improved, and the drying is rapid. Meanwhile, as the rigidity requirement of the hollow rotating shaft 2 is reduced, standard steel pipes can be selected, and the manufacturing cost is reduced. On the other hand, as the hollow rotating shaft 2 is transversely arranged, the sludge dryer can throw wet sludge into a feeding port along the axial direction in a large area in a multipoint mode; the gaps among the blades can be flexibly adjusted according to different shapes of the sludge in the dryer; according to the sludge characteristics and the requirements of the water content of the outlet sludge, the length and the width of the equipment are flexibly adjusted.
In this embodiment, the fan-shaped blades 5 are arranged to increase in thickness from one end to the other end along the rotation direction, so as to form wedge-shaped blades, and the wedge-shaped blades are utilized to self-clean sludge on the blades, so that the phenomenon of 'holding shaft' in the sludge drying process is prevented.
The bottom surface of the drying cavity 103 of this embodiment is provided with a plurality of grooves 104, and the grooves 104 are in one-to-one correspondence with the hollow rotating shafts 2, the groove walls of the grooves 104 are arranged along the peripheral surfaces of the fan-shaped blades 5, and the lower half parts of the fan-shaped blades 5 are arranged in the grooves 104, so that smooth movement of sludge from the feed inlet 101 to the discharge outlet 102 in the drying process is ensured, and sludge accumulation at the bottom of the drying cavity 103 is prevented.
The power device 3 of the embodiment is in transmission connection with one of the hollow rotating shafts 2, and any two adjacent hollow rotating shafts 2 are in transmission connection through the transmission chain 8, so that the stability of equipment is improved, and the maintenance cost is reduced.
In this embodiment, a sludge conveyor 6 is arranged below the discharge port 102, and the dried sludge is discharged from the discharge port and directly enters the next process through the sludge conveyor 6.
The housing 1 of the embodiment is arranged on the frame 7, and the frame 7 supports the housing high, so that the operation of operators and the operation of observation machines are facilitated.
In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (5)
1. The transverse shaft type sludge dryer is characterized by comprising a shell, a plurality of hollow rotating shafts, a power device for driving the hollow rotating shafts to rotate and a steam distribution box for providing superheated steam; a drying cavity is formed in the shell, a feed inlet is formed in the upper part of one end of the shell, and a discharge outlet is formed in the lower part of the other end of the shell; the hollow rotating shafts are transversely and parallelly arranged in the drying cavity, and are sequentially arranged from the feed inlet to the discharge outlet along the moving direction of the materials; the periphery of each hollow rotating shaft is sequentially provided with a plurality of hollow fan-shaped blades along the axial direction, the inner cavities of the fan-shaped blades are communicated with the inner cavities of the hollow rotating shafts, and the hollow rotating shafts are provided with air inlets; the steam distribution box is communicated with the air inlet; the power device is in transmission connection with the hollow rotating shaft to drive the hollow rotating shaft to rotate towards the discharging direction;
the thickness of each fan-shaped blade sequentially increases from one end to the other end along the rotation direction;
the bottom surface of drying chamber is equipped with a plurality of recess, and the recess with hollow pivot one-to-one, the cell wall of recess is followed fan-shaped blade's global setting, and fan-shaped blade's lower half sets up in the recess.
2. The horizontal shaft type sludge dryer as claimed in claim 1, wherein the power device is in transmission connection with one of the hollow shafts, and any two adjacent hollow shafts are in transmission connection.
3. A transverse axis sludge dryer according to claim 2 wherein adjacent hollow shafts are connected by a drive chain.
4. The horizontal shaft type sludge dryer as claimed in claim 1, wherein a sludge conveyor is arranged below the discharge port.
5. The horizontal shaft sludge dryer of claim 1 further comprising a frame, wherein the housing is disposed on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810708513.6A CN108571876B (en) | 2018-07-02 | 2018-07-02 | Transverse-row shaft type sludge dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810708513.6A CN108571876B (en) | 2018-07-02 | 2018-07-02 | Transverse-row shaft type sludge dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571876A CN108571876A (en) | 2018-09-25 |
| CN108571876B true CN108571876B (en) | 2024-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810708513.6A Active CN108571876B (en) | 2018-07-02 | 2018-07-02 | Transverse-row shaft type sludge dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571876B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761897A (en) * | 1986-01-25 | 1988-08-09 | Kubota, Ltd. | Screw conveyor type drying apparatus |
| CN1435668A (en) * | 2002-01-29 | 2003-08-13 | 月岛机械株式会社 | Stirring heat transfer device |
| CN201269682Y (en) * | 2008-08-01 | 2009-07-08 | 田国基 | Bidirectional shearing wedge-shaped sector vane type sludge drying machine |
| CN204187939U (en) * | 2014-10-28 | 2015-03-04 | 郑州凯山生化工程有限公司 | A kind of stirring type dryer |
| CN204918338U (en) * | 2015-07-22 | 2015-12-30 | 德州众和环保装备制造有限公司 | Paddle sludge drying machine |
| CN208504940U (en) * | 2018-07-02 | 2019-02-15 | 江苏新浪环保有限公司 | A kind of horizontally-arranged shaft type sludge drier |
-
2018
- 2018-07-02 CN CN201810708513.6A patent/CN108571876B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761897A (en) * | 1986-01-25 | 1988-08-09 | Kubota, Ltd. | Screw conveyor type drying apparatus |
| CN1435668A (en) * | 2002-01-29 | 2003-08-13 | 月岛机械株式会社 | Stirring heat transfer device |
| CN201269682Y (en) * | 2008-08-01 | 2009-07-08 | 田国基 | Bidirectional shearing wedge-shaped sector vane type sludge drying machine |
| CN204187939U (en) * | 2014-10-28 | 2015-03-04 | 郑州凯山生化工程有限公司 | A kind of stirring type dryer |
| CN204918338U (en) * | 2015-07-22 | 2015-12-30 | 德州众和环保装备制造有限公司 | Paddle sludge drying machine |
| CN208504940U (en) * | 2018-07-02 | 2019-02-15 | 江苏新浪环保有限公司 | A kind of horizontally-arranged shaft type sludge drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571876A (en) | 2018-09-25 |
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