CN110066090A - Sloped rotating type sludge-dewatering dryer - Google Patents
Sloped rotating type sludge-dewatering dryer Download PDFInfo
- Publication number
- CN110066090A CN110066090A CN201910316261.7A CN201910316261A CN110066090A CN 110066090 A CN110066090 A CN 110066090A CN 201910316261 A CN201910316261 A CN 201910316261A CN 110066090 A CN110066090 A CN 110066090A
- Authority
- CN
- China
- Prior art keywords
- drying cylinder
- support
- sludge
- fixing axle
- support underframe
- Prior art date
- 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.)
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Classifications
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
Abstract
A kind of Sloped rotating type sludge-dewatering dryer is provided, including pedestal and drying cylinder, pedestal upper surface sets perpendicular support column, the perpendicular hinged drying cylinder support underframe of upper end of support column, drying cylinder support underframe upper surface sets dry tube stent, fixing axle is fixed on dry tube stent, drying cylinder rotational support is in fixing axle, pedestal upper surface is equipped with tilt angle adjusting post, drying cylinder support underframe one end adjusts locking structure by tilt angle and the realization of tilt angle adjusting post slides up and down and lock connection, drying cylinder support underframe one end tilts drying cylinder when sliding up and down, drying cylinder driving rotating device is set on drying cylinder support underframe, heating plate is set on drying cylinder support underframe.The present invention extends or shortens dewatering time of the sludge in drying cylinder according to sludge water content and heating amount size, by adjusting dryer inclined degree and rotary heating time, achievees the purpose that the appropriate moisture of control, sludge resource is made to be reused.
Description
Technical field
The invention belongs to drying sludge technical fields, and in particular to a kind of Sloped rotating type sludge-dewatering dryer.
Background technique
Sludge is a kind of solid sediment matter generated in water and sewage disposal process, and sludge is many kinds of, main to wrap
Municipal sludge, industrial sludge, sewage treatment plant's precipitating sludge, drilling sludge etc. are included, the amount of output is big, and moisture content is higher,
Between 65%-85%, it is smelly to be easy corruption for high organic content, and particle is thinner, and specific gravity is smaller, jelly liquid,
It is difficult to be utilized, and pollutes environment.Currently, the main method of disposal of sludge is landfill, burns and drying and other treatment etc., however sludge
Landfill and burning be easy to cause secondary pollution, therefore, using sludge drier to sludge carry out drying and other treatment adopted extensively
With.The sludge drier of prior art heat in heating and drying sludge is unevenly distributed, sludge be easy cake knot together it
After be difficult to dry, therefore the time required for drying sludge is longer, and the desiccation effect of sludge is poor.If drying sludge dried
Brick-making raw material is used for after dehydration, and the moisture content of brick-making raw material preferably must be held in and just be able to satisfy adobe between 45%-55%
Molding, existing sludge drier can't make well drying sludge reach this requirement.It is therefore desirable to propose to improve.
Summary of the invention
Present invention solves the technical problem that: a kind of Sloped rotating type sludge-dewatering dryer is provided, is passed through in the present invention
To flow velocity of the sludge from feed inlet to discharge port in the adjusting of drying cylinder tilt angle control drying cylinder, and drying cylinder further through
Drying cylinder drives rotating device to be evenly heated drying around the realization of fixing axle rotary heating, to allow people according to sludge
Moisture size and the size for needing heating amount adjust gradient and the rotary heating time of drying cylinder to extend or shorten sludge and dry
Dry dewatering time achievees the purpose that the appropriate moisture of control, is beneficial to energy conservation consumption reduction, sludge resource is made to be fully used.
The technical solution adopted by the present invention: Sloped rotating type sludge-dewatering dryer, including pedestal and drying cylinder, it is described
Pedestal upper surface is equipped with perpendicular support column vertically, and the perpendicular upper end of support column is hinged with drying cylinder support underframe, the drying cylinder branch
It supports chassis upper surface and is equipped with dry tube stent, fixed on the dry tube stent and be supported by fixing axle, the drying cylinder both ends turn
Dynamic to be supported in fixing axle, described drying cylinder one end is open feed inlet, and described drying cylinder one end is open discharge port, institute
Pedestal upper surface one end is stated equipped with tilt angle adjusting post, the drying cylinder support underframe is close to one end of feed inlet by inclining
Rake angle adjusts locking structure and the realization of tilt angle adjusting post can slide up and down and the connection of lockable limit, the drying
Cylinder support underframe one end is adjusted when locking structure slides up and down by tilt angle and is rotated around with perpendicular support column hinge joint
The flow velocity control to sludge in drying cylinder from feed inlet to discharge port is realized in locking after being tilted a certain angle the drying cylinder of upper part
System, the drying cylinder support underframe is equipped with driving drying cylinder and drives rotating device around the drying cylinder that fixing axle rotates, described
Drying cylinder support underframe upper surface is equipped with the heating plate heated to drying cylinder.
To the preferred embodiment of above-mentioned technical proposal, it includes being set to tilt angle to adjust that the tilt angle, which adjusts locking structure,
Cambered way on column, the drying cylinder support underframe correspond to one end and are equipped with the traveller being adapted to cambered way, the traveller
It drives drying cylinder support underframe to slide into after certain position along cambered way and locking limit is carried out by locking nut.
To the preferred embodiment of above-mentioned technical proposal, the drying cylinder driving rotating device includes being set to drying cylinder support underframe
The electric machine support of lower part is fixed with driving motor on the electric machine support, and the driving motor output shaft is equipped with driving pulley,
Rotational support has transmission shaft on the drying cylinder support underframe, and the transmission shaft is equipped with passive belt wheel and driving gear, described
Barrel gear is cased on dry drum outer wall, the driving pulley is connect by belt with passive belt wheel, the driving gear and cylinder
The adaptation engagement of parietal tooth wheel.
To the preferred embodiment of above-mentioned technical proposal, the fixing axle uses hollow tubular structures, on the fixing axle tube wall
Multiple ventholes are uniformly provided with, are connected with the aspiration pump connecting with gas cleaning plant on the fixing axle Single port.
To the preferred embodiment of above-mentioned technical proposal, the heating plate uses female electric heating drying plate.
To the preferred embodiment of above-mentioned technical proposal, cleaning shoe is fixedly connected with by connecting rod in the fixing axle, it is described to scrape
Mud plate is used to scrape an edge of mud close to drying cylinder inner wall.
To the preferred embodiment of above-mentioned technical proposal, support is equipped in the middle part of the inlet port and outlet port both ends of the drying cylinder
Set, the support sleeve is fixedly connected by support rod with drying cylinder port barrel, the support sleeve pass through bearing rotational support in
Rotational support of the drying cylinder in fixing axle is realized in fixing axle, the drying cylinder support underframe of described feed inlet one end is equipped with
The feeding rack connecting with conveyer, the drying cylinder support underframe are hinged by pin shaft and perpendicular upper end of support column.
The present invention compared with prior art the advantages of:
1, drying cylinder support underframe and tilt angle adjusting post pass through tilt angle adjusting locking structure in this programme
The adjusting to drying cylinder tilt angle is realized in connection, so that flow velocity of the sludge from feed inlet to discharge port in drying cylinder is controlled, and
And drying cylinder is evenly heated drying around the realization of fixing axle rotary heating further through drying cylinder driving rotating device, to make people
Can according to sludge moisture size and need the size of heating amount, by the gradient and the rotary heating time that adjust drying cylinder
Extend or shorten sludge drying and dewatering time in drying cylinder, achievees the purpose that the appropriate moisture of control, be beneficial to energy conservation consumption reduction,
Sludge resource is set to be fully used.This technology not only solves municipal sludge, industrial sludge and sewage treatment plant's precipitating sludge
It is difficult to treatment and use, environment is polluted, and brick-making raw material technology needs are met by dehydration, turns waste into wealth, promotion is provided
Source comprehensive utilization will play huge effect；
2, this programme is in order to make sludge avoid bonding in drying cylinder inner wall, by designing in the fixing axle at drying cylinder center
Cleaning shoe is installed, make sludge it is heated rotated with drying cylinder while, under cleaning shoe effect, both having played will not make sludge exist
Drying cylinder inner wall forms agglomeration, and plays the effect of stirring homogenizing.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also indirectly connected through an intermediary, the interaction that can be connection or two elements inside two elements is closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions.By the sentence " element limited including one ..., it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Referring to Fig. 1, the embodiment of the present invention, Sloped rotating type sludge-dewatering dryer, including pedestal 1 and drying cylinder
7,1 upper surface of pedestal is equipped with perpendicular support column 2 vertically, and perpendicular 2 upper end of support column is hinged with drying cylinder support underframe 3, institute
It states 3 middle part of drying cylinder support underframe or one end and perpendicular support column 2 is hinged, drying cylinder support underframe described in the present embodiment 3 is logical
It crosses pin shaft 4 and perpendicular 2 upper end of support column is hinged, naturally it is also possible to be realized hingedly by other hinges, as long as guaranteeing drying cylinder support
Chassis 3 can be rotated around with the hinge joint of perpendicular support column 2.3 upper surface of drying cylinder support underframe is equipped with dry tube stent
5, fixed on the dry tube stent 5 to be supported by fixing axle 6, the 7 both ends rotational support of drying cylinder is described in fixing axle 6
7 one end of drying cylinder is open feed inlet 23, and described 7 one end of drying cylinder is open discharge port 24.To realize drying cylinder 7 solid
Rotational support on dead axle 6 and the unlimited effect for not influencing 7 enterprising material mouth 23 and discharge port 24 of drying cylinder, make drying cylinder 7 exist
Mounting structure embodiment in fixing axle 6 is as follows: being equipped in the middle part of the feed inlet 23 of the drying cylinder 7 and 24 both ends of discharge port
Support sleeve 26, the support sleeve 26 are fixedly connected by support rod 25 with 7 port barrel of drying cylinder, and the support sleeve 26 passes through axis
It forwards to move and is supported in fixing axle 6 and realizes rotational support of the drying cylinder 7 in fixing axle 6, described 23 one end of feed inlet is done
Dry cylinder support underframe 3 is equipped with the feeding rack 22 connecting with conveyer.
Described 1 upper surface one end of pedestal is equipped with tilt angle adjusting post 18, and the drying cylinder support underframe 3 is close to charging
One end of mouth 23 adjusts locking structure 17 by tilt angle and can slide up and down and can lock with the realization of tilt angle adjusting post 18
The connection of fixing limit, specifically, it includes being set on tilt angle adjusting post 18 that the tilt angle, which adjusts locking structure 17,
Cambered way 19, the corresponding one end of the drying cylinder support underframe 3 are equipped with the traveller 20 being adapted to cambered way 19, the traveller 20
It drives drying cylinder support underframe 3 to slide into after certain position along cambered way 19 and locking limit is carried out by locking nut 21.
After the traveller 20 of described 3 one end of drying cylinder support underframe slides into certain position along cambered way 19, also support drying cylinder
Chassis 3 is rotated around with perpendicular 2 hinge joint of support column, is tilted a certain angle the drying cylinder 7 of upper part, is passed through locking nut later
21 are locked at traveller 20 on tilt angle adjusting post 18, and the change of 7 tilt angle of drying cylinder can be very good control sludge
From feed inlet 23 to the flow velocity of discharge port 24.
The drying cylinder support underframe 3 is equipped with driving drying cylinder 7 and drives rotating dress around the drying cylinder that fixing axle 6 rotates
8 are set, specific to obtain, the drying cylinder driving rotating device 8 includes the electric machine support 9 set on 3 lower part of drying cylinder support underframe, described
Driving motor 10 is fixed on electric machine support 9,10 output shaft of driving motor is equipped with driving pulley 11, the drying cylinder branch
Rotational support has transmission shaft 13 on support chassis 3, and the transmission shaft 13 is equipped with passive belt wheel 12 and driving gear 15, the drying
Barrel gear 16 is cased on 7 outer walls of cylinder, the driving pulley 11 is connect by belt 14 with passive belt wheel 12, the driving gear
15 engage with the adaptation of barrel gear 16.The driving motor 10 drives driving pulley 11 to rotate, and driving pulley 11 passes through belt 14
Drive passive belt wheel 12 to rotate, passive belt wheel 12 drives driving gear 15 to rotate by transmission shaft 13, driving gear 15 by with
16 engaged transmission of barrel gear drives drying cylinder 7 to rotate.It can also be using whole gear drives or whole V belt translations in the present invention
Realize that driving motor 10 rotates the driving of drying cylinder 7 Deng other kinds of drive.3 upper surface of drying cylinder support underframe is equipped with
The heating plate 27 that drying cylinder 7 is heated, it is preferred that the heating plate 27 uses female electric heating drying plate, heating plate 27
Installation should avoid the installation of barrel gear 16, prevent the two from interfering.The rotary course of drying cylinder 7 uniformly stirs sludge
It mixes, heating plate 27 is thermally dried the sludge in cylinder in the rotation overshoot of drying cylinder 7.
When work, conveyer conveys the sludge come and flows into drying cylinder 7 from feed inlet 23 by feeding rack 22, then again from out
Material mouth 24 flows out, and is adjusted and is locked by tilt angle using drying cylinder support underframe 3 and tilt angle adjusting post 18 in the present invention
The adjusting of 7 tilt angle of drying cylinder is realized in the connection for determining structure 17, to control in drying cylinder 7 sludge from feed inlet 23 to discharging
Mouthfuls 24 flow velocity, drying cylinder 7 rotating device 8 can be driven to rotate around fixing axle 6 by drying cylinder again and heat realization uniformly plus
Heated drying, thus people can according to sludge moisture size and need the size of heating amount, adjust drying cylinder 7 gradient and
The rotary heating time extends or shortens drying and dewatering time of the sludge in drying cylinder, achievees the purpose that the appropriate moisture of control,
It is beneficial to energy conservation consumption reduction, sludge resource is made to be fully used.The technology not only solves municipal sludge, industrial sludge and sewage
Treatment plant's precipitating sludge is difficult to treatment and use, pollutes environment, and meet brick-making raw material technology needs by dehydration, becomes useless
For treasured, huge effect will be played to promotion comprehensive utilization of resources.
The fixing axle 6 uses hollow tubular structures, is uniformly provided with multiple ventholes 28 on 6 tube wall of fixing axle, out
Filter device can be used on stomata 28, prevented the blocking of sludge device to hole, be connected on 6 Single port of fixing axle net with gas
The aspiration pump 29 of connection is set in makeup.Start aspiration pump 29, aspiration pump 29 passes through the venthole 28 on 6 tube wall of fixing axle for drying cylinder
The gas that 7 inside evaporations generate, which is retracted to after the medical fluid with catalyst handles odor purification, to be discharged.Alternatively, it is also possible to take out
Air pump 29 directly against discharge port, also can achieve the purpose of exhaust.
The present invention connects in the fixing axle 6 by the way that connecting rod 30 is fixed to make sludge avoid bonding in 7 inner wall of drying cylinder
It is connected to cleaning shoe 31, the cleaning shoe 31 is used to scrape an edge of mud close to 7 inner wall of drying cylinder, makes sludge heated with drying
While cylinder 7 rotates, under cleaning shoe effect, not only having played, which will not be such that sludge is formed in 7 inner wall of drying cylinder, agglomerates, but also plays and stir
Mix the effect of homogenizing.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. Sloped rotating type sludge-dewatering dryer, including pedestal (1) and drying cylinder (7), it is characterised in that: the pedestal
(1) upper surface is equipped with perpendicular support column (2) vertically, and perpendicular support column (2) upper end is hinged with drying cylinder support underframe (3), described
Drying cylinder support underframe (3) upper surface is equipped with dry tube stent (5), and fixation is supported by fixing axle on the dry tube stent (5)
(6), for drying cylinder (7) the both ends rotational support on fixing axle (6), described drying cylinder (7) one end is open feed inlet
(23), drying cylinder (7) other end is open discharge port (24), and described pedestal (1) upper surface one end is equipped with tilt angle
Adjusting post (18), the drying cylinder support underframe (3) adjust locking knot by tilt angle close to the one end of feed inlet (23)
Structure (17) and tilt angle adjusting post (18), which are realized, to be slided up and down and the connection of lockable limit, the drying cylinder support bottom
Frame (3) one end is adjusted when locking structure (17) slide up and down by tilt angle and is rotated around with perpendicular support column (2) hinge joint
And locking is realized to sludge in drying cylinder (7) from feed inlet (23) to out after being tilted a certain angle the drying cylinder (7) of upper part
The flow control of material mouth (24), the drying cylinder support underframe (3) are equipped with driving drying cylinder (7) and rotate around fixing axle (6)
Drying cylinder drive rotating device (8), drying cylinder support underframe (3) upper surface is equipped with and is heated to drying cylinder (7)
Heating plate (27).
2. Sloped rotating type sludge-dewatering dryer according to claim 1, it is characterised in that: the tilt angle tune
Section locking structure (17) includes the cambered way (19) on tilt angle adjusting post (18), the drying cylinder support underframe
(3) corresponding one end is equipped with the traveller (20) being adapted to cambered way (19), and the traveller (20) drives drying cylinder support underframe (3)
It is slided into after certain position along cambered way (19) and carries out locking limit by locking nut (21).
3. Sloped rotating type sludge-dewatering dryer according to claim 1, it is characterised in that: the drying cylinder driving
Rotating device (8) includes the electric machine support (9) set on drying cylinder support underframe (3) lower part, is fixed on the electric machine support (9)
Driving motor (10), driving motor (10) output shaft are equipped with driving pulley (11), on the drying cylinder support underframe (3)
Rotational support has transmission shaft (13), and the transmission shaft (13) is equipped with passive belt wheel (12) and driving gear (15), the drying
It is cased with barrel gear (16) on cylinder (7) outer wall, the driving pulley (11) is connect by belt (14) with passive belt wheel (12), institute
Driving gear (15) is stated to engage with barrel gear (16) adaptation.
4. Sloped rotating type sludge-dewatering dryer according to claim 1, it is characterised in that: the fixing axle (6)
It using hollow tubular structures, is uniformly provided with multiple ventholes (28) on fixing axle (6) tube wall, described fixing axle (6) one end
On be connected with the aspiration pump (29) connecting with gas cleaning plant.
5. Sloped rotating type sludge-dewatering dryer according to claim 1, it is characterised in that: the heating plate (27)
Using female electric heating drying plate.
6. Sloped rotating type sludge-dewatering dryer according to claim 1, it is characterised in that: the fixing axle (6)
Upper to be fixedly connected with cleaning shoe (31) by connecting rod (30), the cleaning shoe (31) is used to scrape an edge of mud close to drying cylinder
(7) inner wall.
7. Sloped rotating type sludge-dewatering dryer according to claim 1, it is characterised in that: the drying cylinder (7)
Feed inlet (23) and discharge port (24) both ends in the middle part of be equipped with support sleeve (26), the support sleeve (26) pass through support rod (25)
It is fixedly connected with drying cylinder (7) port barrel, the support sleeve (26) is by bearing rotational support in realization on fixing axle (6)
The drying cylinder support underframe (3) of rotational support of the drying cylinder (7) on fixing axle (6), described feed inlet (23) one end is equipped with
The feeding rack (22) connecting with conveyer, the drying cylinder support underframe (3) are cut with scissors by pin shaft (4) and perpendicular support column (2) upper end
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316261.7A CN110066090A (en) | 2019-04-19 | 2019-04-19 | Sloped rotating type sludge-dewatering dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316261.7A CN110066090A (en) | 2019-04-19 | 2019-04-19 | Sloped rotating type sludge-dewatering dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110066090A true CN110066090A (en) | 2019-07-30 |
Family
ID=67368268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910316261.7A Pending CN110066090A (en) | 2019-04-19 | 2019-04-19 | Sloped rotating type sludge-dewatering dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110066090A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409218A (en) * | 2022-02-10 | 2022-04-29 | 潍坊市天源环保科技有限公司 | Sludge refining equipment capable of self-cleaning |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4464962A (en) * | 1982-09-16 | 1984-08-14 | Ragnvald Myhre | Adjustable miter guide device |
| KR200405006Y1 (en) * | 2005-09-01 | 2006-01-11 | 김동관 | A Movable Type Sludge Dry Apparatus for Vehicle Loading |
| CN107906901A (en) * | 2017-12-19 | 2018-04-13 | 无锡市尚德干燥设备有限公司 | Stir the dual-purpose drying machine of speed governing |
-
2019
- 2019-04-19 CN CN201910316261.7A patent/CN110066090A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4464962A (en) * | 1982-09-16 | 1984-08-14 | Ragnvald Myhre | Adjustable miter guide device |
| KR200405006Y1 (en) * | 2005-09-01 | 2006-01-11 | 김동관 | A Movable Type Sludge Dry Apparatus for Vehicle Loading |
| CN107906901A (en) * | 2017-12-19 | 2018-04-13 | 无锡市尚德干燥设备有限公司 | Stir the dual-purpose drying machine of speed governing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409218A (en) * | 2022-02-10 | 2022-04-29 | 潍坊市天源环保科技有限公司 | Sludge refining equipment capable of self-cleaning |
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