KR101804226B1 - Dehydration dry equipment for sludge handling - Google Patents
Dehydration dry equipment for sludge handling Download PDFInfo
- Publication number
- KR101804226B1 KR101804226B1 KR1020160011380A KR20160011380A KR101804226B1 KR 101804226 B1 KR101804226 B1 KR 101804226B1 KR 1020160011380 A KR1020160011380 A KR 1020160011380A KR 20160011380 A KR20160011380 A KR 20160011380A KR 101804226 B1 KR101804226 B1 KR 101804226B1
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- KR
- South Korea
- Prior art keywords
- sludge
- pipe
- screw conveyor
- dewatering
- conveyor
- Prior art date
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-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
- F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a dewatering and drying apparatus for sludge treatment, and more particularly, to a dewatering and drying apparatus for dewatering and drying a sludge, which comprises a screw conveyor, And the sludge is finely dispersed and dispersed to the central portion of the screw conveyor to improve the dewatering and drying effect of the sludge and to induce sludge and re-aggregation in the dewatering process to minimize the loss of the sludge .
In the dewatering and drying apparatus for sludge treatment according to the present invention, the transfer and dewatering unit comprises a first pipe provided so as to be inclined over the sludge inflow tank and the sludge storage tank so as to prevent the sludge of the sludge inflow tank from leaking, A second pipe which is provided at a central portion of the second pipe so as to be spaced apart from the inner surface of the second pipe and in which a plurality of through holes are drilled in the main surface, A deceleration motor connected to one end of a rotary shaft through a coupling so as to rotate the rotary shaft of the screw conveyor, and a second motor connected to the second pipe through a fluid line and supplied with high- And a plurality of spray nozzles arranged to spray toward the rotating shaft in the second pipe It characterized.
Description
The present invention relates to a dewatering and drying apparatus for sludge treatment, and more particularly, to a dewatering and drying apparatus for dewatering and drying a sludge, more specifically, a sludge containing a large amount of raw water is drawn up by a screw of a transfer unit, The present invention relates to a dewatering and drying apparatus for sludge treatment capable of preventing stenosis of sludge on a screw and reliably transporting the sludge by spraying air and dispersing the sludge in a split manner to improve dewatering and drying effect.
Generally, sludge is precipitate generated in various industrial facilities, wastewater treatment plant, water purification plant, livestock farming house, and the like. These kinds of sludge vary in water content depending on the place where the sludge is generated, but most of 80% or more is water and the remainder is pure sludge. As described above, since a large amount of moisture is contained in the sludge, a dehydration treatment facility for lowering the water content of the sludge is required.
In general, the dehydration treatment facility uses a flocculant in the wastewater (raw water or sewage) to deform (aggregate) the water in the sludge more easily in the form of agglomerating the sludge particles with each other, The water is separated and removed to lower the water content of the sludge and to be discharged in the form of a cake.
A brief description of some of the conventional sludge dewatering devices related to this technique is given below. Korean Patent Laid-Open Publication No. 10-2013-0100547 described in the following Patent Document 1 discloses that a drum is installed in an inclined housing at the same inclination angle as that of the housing, and a rotary shaft having a screw blade in the drum is rotated at a low speed It is characterized in that it is installed to be rotationally driven.
In the above-described Patent Document 1, when the sludge is supplied from the lower side of the drum while the rotary shaft is rotated by the decelerating motor, the water in the sludge is drawn to the upper side by the screw blades of the rotary shaft, So that the sludge is dewatered.
However, in the sludge dewatering apparatus disclosed in Patent Document 1, the sludge is simply pulled up to the upper side by the screw blade of the rotating shaft, so that the sludge containing a large amount of water is apt to be stuck to the screw blade of the rotating shaft, There is a problem in that it is not possible to raise the sludge to the upper part even if it is rotated and also it is not possible to perform dehydration as desired.
In Korean Patent No. 10-0793828 proposed in Patent Document 2, the sludge of the hopper is primarily dehydrated by the belt conveyor of the permeation net and then transferred to the belt conveyor, while the low pressure High temperature superheated steam was injected with sludge to carbonize it.
However, in the sludge treatment apparatus of Patent Document 2 as described above, the sludge is primarily conveyed while conveying the sludge by using a belt conveyor of a permeation net, and then the sludge is dropped as it is, The superheated steam is injected into the sludge so that the superheated steam can not be supplied evenly to the inside of the sludge. In particular, the superheated steam always has moisture. The moisture can be supplied to the sludge during dehydration and drying of the sludge. There is a possibility that the dehydration and drying effect of the dehydration may be lowered.
In particular, FIG. 3 of Patent Document 2 shows that the superheated steam of low pressure generated by the steam generator is injected from the upper side of the sludge in a state in which the inclined screw is rotationally driven by the decelerating motor as the driving device In addition, when the sludge containing a large amount of water is supplied from the hopper to the screw, the sludge must be stuck in the screw, thereby causing the sludge to move in its place without being conveyed. Even if superheated steam is sprayed in this state, The superheated steam is not properly supplied to the inside of the superheated steam, and the moisture in the superheated steam can be supplied to the sludge rather than the dewatering and drying effect of the sludge.
There is a problem in that the cost of installation of the steam generator and the steam processor is high and the operation cost of the steam generator is also relatively large so that the economic burden is increased.
Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems and disadvantages of the related art, and an object of the present invention is to provide a sludge- Pressure air or dry air is injected from the outside of the second pipe toward the center of the inside thereof by the rotating shaft in the second pipe so that the sludge is scattered and dispersed finely to fundamentally prevent the sludge from being stuck on the screw blade of the rotating shaft, In particular, the sludge is dispersed and dispersed in the center of the screw conveyor as well as the dewatering and drying effect of the sludge is improved, as well as the sludge is re-agglomerated in the dewatering process to minimize the loss of the sludge And to provide a dewatering and drying apparatus for sludge treatment.
Another object of the present invention is to provide a sludge inflow tank in which the lower part of the sludge inflow tank is pointed and the second pipe and the rotation axis are extended to the inside of the other sludge inflow tank to which the first pipe is connected, And to prevent deformation of the sludge caused by the sludge, thereby preventing dehydration and drying of the sludge.
In order to accomplish the above object, the present invention provides a dewatering and drying apparatus for sludge treatment including a transfer and dewatering unit for transferring dewatering and drying from a lower sludge inflow tank to an upper sludge storage tank,
The transfer and dewatering unit includes a first pipe installed to be sloped over the sludge inflow tank and the sludge storage tank so that the sludge of the sludge inflow tank is not leaked, A screw conveyor which is provided at the center of the inner periphery of the second pipe and is provided with a screw blade on the main surface of the rotary shaft, the rotary shaft of the screw conveyor being rotatably driven And the second pipe is connected to the second pipe through the first and second fluid lines so that the high-pressure air is supplied from the air supply device to the rotary shaft in the second pipe, And a plurality of spray nozzles arranged to spray toward the spray nozzle,
The high pressure air supplied from the air supply device toward the screw conveyor inside the second pipe is injected through the plurality of injection nozzles while rotating the screw conveyor interlocked by the decelerating motor to prevent the sludge from being stuck on the screw blade of the rotary shaft At the same time, the sludge is finely divided and dispersed to the central portion of the screw conveyor to improve the dewatering and drying effect of the sludge and induce sludge and re-aggregation in the dewatering process, thereby minimizing the loss of sludge.
The second pipe and the screw conveyor are preferably extended to the opposite side of the sludge inflow tank to which the first pipe is connected so as to prevent the sludge inflow tank from being dead and to prevent sludge from being corrupted. In addition, the lower portion of the sludge inflow tank may be provided with a sludge inflow tank having a narrow-angle lowering sidewall cut out in a wedge shape at a predetermined angle.
The through-holes of the second pipe may be uniformly arranged on the main surface of the second pipe, but may be arranged only on the lower part of the center line of the second pipe so as to more efficiently discharge moisture contained in the sludge.
The injection nozzle provided in the second pipe can be uniformly arranged on the main surface of the second pipe in the same manner as the through hole. However, in order to spread and float the sludge in the second pipe at the center of the screw conveyor, It is preferable to install a larger number of parts.
The sludge inflow tank may be provided with an air lift so as to prevent sludge that may be generated at the edge of the bottom and to prevent sludge from being corrupted.
A water tank may be connected to the first fluid line through a water line so as to selectively supply industrial water other than high-pressure air, and a pump for pumping water in the water tank may be provided in the water line.
The screw conveyor may be provided with an angle adjusting means for controlling the feed amount of the sludge by adjusting the inclination angle of the screw conveyor. The angle adjusting means may be a conveyor lift capable of raising and lowering one end of the rotary shaft together with the decelerating motor. Since the upper end of the rotary shaft is lifted by the conveyor lift, the lower end of the second pipe is formed in a circular shape, and the upper end of the second pipe is spaced apart from the center by a predetermined distance.
The screw conveyor and the second pipe may be provided with an angle adjusting means for controlling an amount of conveyance of the sludge by adjusting an inclination angle of the screw conveyor and the second pipe, and the angle adjusting means may include a decelerating motor and a conveyor lift And the second pipe is also adjusted so that it is positioned at the center of the second pipe even if the screw conveyor is moved up and down by the conveyor lift. The second pipe may be connected with a rod from the deceleration motor or the conveyor lift to the second pipe and may be lifted and lowered together with the conveyor lift.
In the sludge processing dewatering and drying apparatus according to the present invention as described above, the sludge including the raw water is drawn up by the screw of the transfer and dewatering unit, and the second sludge is conveyed by the rotation shaft in the second pipe constituting the transfer and dewatering unit. Pressure air or dry air is injected from the outside of the pipe toward the center of the inside of the pipe to disperse and disperse the sludge finely so as to prevent the sludge from being stuck to the screw blade of the rotating shaft and to reliably transfer the sludge. The sludge is dispersed and floated to the center of the screw conveyor as finely divided, thereby improving the dewatering and drying effect of the sludge and inducing sludge and re-aggregation in the dewatering process, thereby minimizing sludge loss.
In addition, the present invention is characterized in that the lower part of the sludge inflow tank is pointed and the second pipe and the rotating shaft are provided until the inside of the other sludge inflow tank to which the first pipe is connected, ) Can be prevented and the sludge can be prevented from being corrupted.
Further, the present invention is characterized in that the sludge is pulled up by the screw blade of the conveying and dewatering unit and conveyed, and at the same time, the high-pressure air or dry air is discharged from the outside of the second pipe toward the center of the inside thereof, By spraying air and gradually dehydrating and drying the water contained in the sludge, the structure is simple and the associated facility is also simple, thereby drastically reducing the dehydration drying process of the sludge.
By providing a conveyor lift for adjusting the inclination of the screw conveyor, the gravity generated as the sludge is raised according to the inclination of the rotating shaft and the distance between the inner surface of the second pipe and the screw are adjusted, So that the water content of the sludge can be controlled by controlling the dehydration time and dehydration amount of the water contained in the sludge.
1 is a schematic view of a whole dewatering and drying system to which a dewatering and drying apparatus for sludge treatment according to a preferred embodiment of the present invention is applied.
Fig. 2 is a cross-sectional view showing the main conveying and dewatering unit in the dewatering and drying apparatus for sludge treatment of the present invention.
3 is a cross-sectional view taken along line AA in Fig.
4 is a view showing another embodiment of the sludge inflow tank in the dewatering and drying apparatus for sludge treatment of the present invention.
5 is a view for explaining another embodiment of the transfer and dewatering unit in the dewatering and drying apparatus for sludge treatment of the present invention.
6 is a cross-sectional view taken along the line BB in Fig.
7 is a cross-sectional view taken along the line CC in Fig.
8 is a view for explaining another embodiment of the transfer and dewatering unit in the dewatering and drying apparatus for sludge treatment of the present invention.
Hereinafter, a dewatering and drying apparatus for sludge treatment according to the present invention will be described in detail with reference to the accompanying drawings.
For reference, the size, line thickness, and the like of the components shown in the drawings referred to in describing the present invention may be somewhat exaggerated for ease of understanding. It is to be understood that the terms used in the description of the present invention are defined in consideration of the functions of the present invention and thus may be changed according to the user, the intention of the operator, customs, etc. Accordingly, It deserves to come down.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the scope of the invention, .
FIGS. 1 to 3 are views illustrating a dewatering and drying apparatus for sludge treatment according to a preferred embodiment of the present invention.
As shown in the drawing, the dewatering and drying apparatus for sludge treatment of the present invention comprises a
1, a
As shown in FIG. 2, the transfer and
The transfer and
The
The
The
One end of the
A plurality of
Since the sludge drawn up by the
Particularly, since the
The reason why the high-pressure air is injected and supplied through the
The
A
The process of dewatering and drying the sludge using the dewatering and drying apparatus for sludge treatment according to the present invention will be described.
First, an appropriate amount of medicines are supplied to the sludge collected in the
The process of the sludge in the
As the decelerating
At the same time, high-pressure air is supplied from the high-
The sludge is finely dispersed by the high-pressure air to be dispersed, thereby separating the moisture contained in the sludge, thereby facilitating the dehydration of the sludge as well as improving the drying effect. In addition, And re-agglomeration, thereby minimizing the loss of the sludge.
The moisture separated from the sludge is discharged to the
Since the continuous supply of high-pressure air is performed while the
Particularly, since the
Since the
After completion of the dewatering and drying operation for one cycle as described above, the open / close valve connected to the
Further, when the
FIGS. 5 to 7 are diagrams for explaining a transfer and dewatering unit of another embodiment in the dewatering and drying apparatus for sludge treatment of the present invention. Here, the conveyor angle adjusting means for controlling the conveying amount of the sludge by adjusting the inclination angle of the installation of the
According to the dewatering and drying apparatus for sludge treatment according to another embodiment as described above, when the
The distance between the bottom of the inner surface of the
As a result, the amount by which the sludge is drawn up from the
Fig. 8 is a view for explaining a transfer and dewatering unit of another embodiment in the dewatering and drying apparatus for sludge treatment of the present invention. Fig. Here, the angle adjusting means for controlling the feed amount of the sludge by adjusting the inclination angle of the
The angle adjusting means includes a
According to another embodiment of the present invention, when the inclination of the
Finally, although the dewatering and drying apparatus for sludge treatment according to the present invention is illustrated and described as a one-stage construction system in which one transfer and dewatering unit is installed over the sludge inflow tank and the sludge storage tank as shown in FIG. 1, The sludge inlet tank and the sludge storage tanks are provided, and the transfer and dewatering units are provided between the tanks, respectively, so that the multi-tier construction system can be installed in two or more stages. Therefore, the water content of the sludge required for the site or the water content As shown in FIG.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments and the accompanying drawings and various changes and modifications may be made by those skilled in the art It is natural to be able to.
10: Sludge inflow tank 20: Feeding and dewatering unit
21: first pipe 22: second pipe
22a: through
22c: Rectangular circle 23: Screw conveyor
23a: rotating
24: Deceleration motor 25: injection nozzle
26: Bearing 27: Air tank
28a: first
29: Water tank 29a: Water line
29b:
30: sludge storage tank 32: conveyor lift
33: Rod 40: Pretreatment tank
41: drug feeder
Claims (6)
The transfer and dewatering unit includes a first pipe installed to be sloped over the sludge inflow tank and the sludge storage tank so that the sludge of the sludge inflow tank is not leaked, A screw conveyor which is provided at the center of the inner periphery of the second pipe and is provided with a screw blade on the main surface of the rotary shaft, the rotary shaft of the screw conveyor being rotatably driven And the second pipe is connected to the second pipe through the first and second fluid lines so that the high-pressure air is supplied from the air supplier to the rotary shaft in the second pipe, And a plurality of spray nozzles arranged to spray toward the spray nozzle,
The screw conveyor is provided with an angle adjusting means for controlling the amount of conveyance of the sludge by adjusting the inclination angle of the screw conveyor. The angle adjusting means is provided as a conveyor lift capable of elevating and lowering one end of the rotary shaft together with the decelerating motor,
The high pressure air supplied from the air supply device toward the screw conveyor in the second pipe is injected through the plurality of injection nozzles while rotating the screw conveyor interlocked by the decelerating motor to prevent the sludge from being stuck on the screw of the rotary shaft At the same time, the sludge is finely divided and dispersed to the central portion of the screw conveyor to improve the dewatering and drying effect of the sludge and induce sludge and re-aggregation in the dewatering process to minimize sludge loss. For dehydration and drying.
Wherein a larger number of spray nozzles are provided in a lower portion of the second pipe than in an upper portion thereof in order to more effectively spread the sludge in the second pipe to the central portion of the screw conveyor while slicing and dispersing the same.
And the second pipe and the screw conveyor are extended to the opposite side of the sludge inflow tank to which the first pipe is connected so as to prevent the sludge inflow tank from being dead- Dewatering and drying equipment for sludge treatment.
Wherein the lower portion of the sludge inflow tank is formed as a sludge inflow tank for sludge treatment with an upper light-narrowed spheric shape cut out in a wedge shape at a predetermined angle.
Wherein the screw conveyor and the second pipe are provided with an angle adjusting means for controlling the feed amount of the sludge by adjusting the inclination angle of the screw conveyor and the second pipe, the angle adjusting means including a conveyor lift capable of elevating and lowering one end of the rotary shaft together with the deceleration motor, Wherein the rod is connected to the second pipe from the deceleration motor or the conveyor lift so as to be positioned at the center of the second pipe even if the screw conveyor is lifted or lowered by the conveyor lift.
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KR1020160011380A KR101804226B1 (en) | 2016-01-29 | 2016-01-29 | Dehydration dry equipment for sludge handling |
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CN107764032A (en) * | 2017-10-26 | 2018-03-06 | 许五妮 | A kind of Chinese medicine High-efficiency Sustainable drying unit |
CN111921620B (en) * | 2020-06-08 | 2021-09-07 | 安徽正熹标王新能源有限公司 | Waste battery is with device of milling |
CN112358153A (en) * | 2020-10-23 | 2021-02-12 | 西安交通大学 | Staggered declination type sludge drying device |
CN112320234A (en) * | 2020-11-26 | 2021-02-05 | 西安西热锅炉环保工程有限公司 | Large-inclination-angle dry sludge conveying device |
CN113120180B (en) * | 2021-05-11 | 2024-05-31 | 乔全德 | Environment-friendly trash removal ship |
KR102407229B1 (en) * | 2021-07-27 | 2022-06-10 | 이경일 | Sludge dewatering and drying device integrated with a sludge flotation facility |
CN114477694B (en) * | 2021-12-13 | 2023-11-21 | 博科丝特工业技术(江苏)有限公司 | Mud circulation processing system and processing apparatus thereof |
CN114405125B (en) * | 2022-01-30 | 2022-11-29 | 江苏润源水务设备有限公司 | Equipment is clear away to rotation intelligence of mud |
CN118517879B (en) * | 2024-07-23 | 2024-10-11 | 江苏法斯特智能装备有限公司 | Drying system for feed production |
Citations (1)
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KR101127992B1 (en) * | 2011-12-05 | 2012-03-29 | (주)미광산업기계 | Sludge drying apparatus |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101127992B1 (en) * | 2011-12-05 | 2012-03-29 | (주)미광산업기계 | Sludge drying apparatus |
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