CN114249516A - Laminated sludge concentration dewatering machine - Google Patents
Laminated sludge concentration dewatering machine Download PDFInfo
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- CN114249516A CN114249516A CN202210126696.7A CN202210126696A CN114249516A CN 114249516 A CN114249516 A CN 114249516A CN 202210126696 A CN202210126696 A CN 202210126696A CN 114249516 A CN114249516 A CN 114249516A
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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
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- Treatment Of Sludge (AREA)
Abstract
The invention discloses a laminated sludge concentration dehydrator, which comprises: the device comprises a transverse rectangular shell, at least two multi-grid-plate filter chambers, a screw pump and a pressure maintaining cover plate; the filter cavities are sequentially connected in a sealing manner to form a through type closed filter cavity and fixedly arranged in the transverse rectangular shell, the front end of the multi-grid-plate filter cavity at the foremost end is provided with a mud inlet, and the rear end of the multi-grid-plate filter cavity at the rearmost end is provided with a mud outlet; the screw pump is used for connecting the sludge inlet; the pressure maintaining cover plate is arranged on the sludge outlet; and a water outlet is arranged at the lower part of the transverse rectangular shell. The sludge concentration dewatering machine can meet the requirements of dewatering concentration of sludge with different treatment amounts, has the advantages of no abrasion, low power consumption, low noise, small volume, full sealing, low manufacturing cost, no need of washing and the like, and can realize unattended operation.
Description
Technical Field
The invention relates to the field of sludge treatment, in particular to a sludge concentration dehydrator.
Background
At present, the sludge concentration and dehydration technology which takes 80% of water content as a target mainly comprises the following steps: centrifugal dehydration, belt filter pressing dehydration and overlapping screw dehydration. Among the disadvantages of the centrifugation technique are: the disadvantages of (A) are as follows: high power consumption, high noise, high price, high maintenance difficulty and the like; the belt type filter pressing technology has the following defects: the working environment is poor, the washing water quantity is large, the noise is large, the volume is large, and mechanical faults such as filter cloth deflection are easy to occur; the technology of stacked snail dehydration appears at the latest, but the technology has the advantages of low power consumption, low noise, small volume, full sealing, low manufacturing cost, no need of washing, unattended operation and the like, thereby rapidly occupying a large number of markets.
The spiral shell stacking dehydrator for realizing spiral shell stacking dehydration is characterized in that a spiral shaft conveying blade conveys flocculated sludge to an outlet direction, and the plurality of annular sheets arranged on the periphery of the spiral shaft conveying blade are used for intercepting the flocculated sludge to extrude water in the sludge out of gaps. The screw shaft conveying blades of the screw-stacking dehydrator become thicker and smaller gradually, sludge is compressed in the conveying process, and water is extruded out of the gap. In order to prevent the annular sheet gap from being blocked by sludge, the annular sheet is divided into a fixed annular sheet and a moving annular sheet, the moving annular sheet is driven by the rotation of the spiral shaft conveying blade, the moving annular sheet can clean the sludge in the gap, and the smooth passage of water filtration is ensured.
Fold spiral shell hydroextractor and be higher than the play mud moisture content of other dewatering equipment partially, along with folding the increase of spiral shell hydroextractor diameter, go out mud moisture content and can be close to 85%. This is mainly because the volume of the sludge in the chamber of the stacked spiral barrel becomes larger as the diameter of the spiral increases, and the water inside the chamber is more difficult to extrude out. The problem that the water content of the discharged sludge is higher limits the main factor of popularization of the spiral shell overlapping dehydrator on a sludge concentration and dehydration project with larger treatment capacity. In addition, the existing screw shaft conveying blades of the laminated screw dehydrator are seriously abraded, and the periodic repair cost is high.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a laminated sludge concentration dehydrator which can ensure the water content of discharged sludge and has no blade abrasion, thereby solving the technical problems in the prior art.
The purpose of the invention is realized by the following technical scheme:
the embodiment of the invention provides a laminated sludge concentration dehydrator, which comprises:
the device comprises a transverse rectangular shell, at least two multi-grid-plate filter chambers, a screw pump and a pressure maintaining cover plate; wherein the content of the first and second substances,
the multi-grid-plate filtering cavities are sequentially connected in a sealing manner to form a through-type closed filtering cavity and fixedly arranged in the transverse rectangular shell, the front end of the multi-grid-plate filtering cavity at the foremost end is provided with a mud inlet, and the rear end of the multi-grid-plate filtering cavity at the rearmost end is provided with a mud outlet;
the screw pump is used for connecting the sludge inlet;
the pressure maintaining cover plate is arranged on the sludge outlet;
and a water outlet is arranged at the lower part of the transverse rectangular shell.
Compared with the prior art, the laminated sludge concentration dehydrator provided by the invention has the beneficial effects that:
through setting up two at least multi-grid-piece filter chambers at horizontal rectangle casing, and sealing connection forms through-type airtight filtration cavity in proper order, utilize the pressure of the screw pump that the front end mud inlet is connected, the moisture of the interior mud of extrusion airtight filtration cavity, discharge from the mud outlet of rear end, because be the modularized design, can be according to the requirement of handling the back moisture content, set up the multi-grid-piece filter chamber that corresponds quantity, make the mud moisture content after handling satisfy the demands, and mainly lean on pressure extrusion mud, also there is the problem of part wearing and tearing. The sludge concentration dehydrator has the advantages of low power consumption, low noise, small volume, full sealing, low manufacturing cost, no need of flushing and the like, and can realize unattended operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram showing the construction of a laminated sludge concentrating and dewatering machine according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a laminated sludge concentrating and dewatering machine provided in an embodiment of the present invention;
in the figure: 1-a transverse rectangular casing; 2-a first multi-grid-plate filter chamber; 3-a second multi-grid-plate filter chamber; 31-a static grid sheet assembly; 32-a moving grid assembly; 33-an eccentric drive assembly; 331-a geared electric drive; 332-a transmission; 34-rotating sealing grid sheet; 35-side plate; 4-a pressure maintaining cover plate; 5-a sludge inlet; 6-a sludge outlet; 7-water outlet.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below by combining the specific content of the invention; it is to be understood that the described embodiments are merely exemplary of the invention, and are not intended to limit the invention to the particular forms disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The terms that may be used herein are first described as follows:
the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".
The terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.
The term "consisting of … …" is meant to exclude any technical feature elements not explicitly listed. If used in a claim, the term shall render the claim closed except for the inclusion of the technical features that are expressly listed except for the conventional impurities associated therewith. If the term occurs in only one clause of the claims, it is defined only to the elements explicitly recited in that clause, and elements recited in other clauses are not excluded from the overall claims.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured," etc., are to be construed broadly, as for example: can be fixedly connected, can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms herein can be understood by those of ordinary skill in the art as appropriate.
When concentrations, temperatures, pressures, dimensions, or other parameters are expressed as ranges of values, the ranges are to be understood as specifically disclosing all ranges formed from any pair of upper, lower, and preferred values within the range, regardless of whether ranges are explicitly recited; for example, if a numerical range of "2 ~ 8" is recited, then the numerical range should be interpreted to include ranges of "2 ~ 7", "2 ~ 6", "5 ~ 7", "3 ~ 4 and 6 ~ 7", "3 ~ 5 and 7", "2 and 5 ~ 7", and the like. Unless otherwise indicated, the numerical ranges recited herein include both the endpoints thereof and all integers and fractions within the numerical range.
The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship that is indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and are not intended to imply or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting herein.
The laminated sludge concentrating and dehydrating machine provided by the present invention will be described in detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art. Those not specifically mentioned in the examples of the present invention were carried out according to the conventional conditions in the art or conditions suggested by the manufacturer. The reagents or instruments used in the examples of the present invention are not specified by manufacturers, and are all conventional products available by commercial purchase.
As shown in fig. 1, an embodiment of the present invention provides a laminated sludge concentrating and dewatering machine, including:
the device comprises a transverse rectangular shell, at least two multi-grid-plate filter chambers, a screw pump and a pressure maintaining cover plate; wherein the content of the first and second substances,
the multi-grid-plate filtering cavities are sequentially connected in a sealing manner to form a through-type closed filtering cavity and fixedly arranged in the transverse rectangular shell, the front end of the multi-grid-plate filtering cavity at the foremost end is provided with a mud inlet, and the rear end of the multi-grid-plate filtering cavity at the rearmost end is provided with a mud outlet;
the screw pump is used for connecting the sludge inlet;
the pressure maintaining cover plate is arranged on the sludge outlet;
and a water outlet is arranged at the lower part of the transverse rectangular shell.
Referring to fig. 2, in the sludge concentrating and dewatering machine, each multi-grid-plate filter chamber has the same structure and comprises:
the device comprises an upper grid sheet groove, a lower grid sheet groove, two side plates, an eccentric driving assembly and a plurality of rotary sealing grid sheets; wherein the content of the first and second substances,
the upper grid sheet groove and the lower grid sheet groove are both formed by a plurality of static grid sheets and a plurality of movable grid sheets in a mode that one movable grid sheet and one static grid sheet are arranged at intervals, and a water filtering gap is formed between each movable grid sheet and each static grid sheet;
the upper grid sheet groove and the lower grid sheet groove are oppositely arranged up and down to form a filter bed;
the two side plates are respectively arranged at the two sides of the filter bed, each static grid sheet is fixedly connected to the two side plates through a penetrating rod, and a gasket for keeping a gap is arranged between each static grid sheet; preferably, each static grid in the upper grid groove and the lower grid groove of each multi-grid-piece filtering cavity is fixedly connected between the two side plates through a plurality of penetrating rods;
the movable grid pieces of the upper grid piece groove and the lower grid piece groove are fixed on the bearing seat through an upper eccentric shaft and a lower eccentric shaft, the upper eccentric shaft and the lower eccentric shaft are connected with the eccentric driving assembly, and the eccentric driving assembly can drive the upper eccentric shaft and the lower eccentric shaft to drive the movable grid pieces to move in a circular track;
and a rotary sealing grid sheet is fixedly arranged in a gap between two adjacent static grid sheets in the upper grid sheet groove and the lower grid sheet groove through a penetrating rod.
In the above-mentioned many bars piece filter chamber, eccentric drive assembly includes:
a geared electric drive and transmission; wherein the content of the first and second substances,
and a power shaft of the speed reduction electric driving device is fixedly connected with one end of an upper eccentric shaft, and the other end of the upper eccentric shaft is in transmission connection with the other end of the lower eccentric shaft through the transmission device.
In the multi-grid-plate filter cavity, the speed reduction electric drive device consists of a motor and a speed reduction mechanism;
the transmission device adopts a chain wheel and chain mechanism.
In the multi-grid-plate filter cavity, the transmission device adopts a chain and chain wheel transmission mechanism.
In the sludge concentration dehydrator, the movable grid pieces of the upper grid piece groove and the lower grid piece groove are respectively provided with sawteeth towards the cavity side of the filter bed. And the movable grid plates are driven by an upper eccentric shaft of the eccentric driving assembly to perform a winding motion, and saw teeth on the movable grid plates can push mud with low water content to move towards the mud outlet.
In the multi-grid-plate filter cavity, a power shaft of a speed reducing mechanism serving as a speed reducing electric driving device is connected with upper eccentric shafts provided with the movable grid plates to form eccentricity, the upper eccentric shafts perform circumferential operation around the power shaft, and the upper eccentric shafts and the lower eccentric shafts are connected through chain wheels and chains and can synchronously rotate.
The working principle of the multi-grid-plate filter cavity is as follows: the filter bed is formed by adopting movable grid pieces and static grid pieces, the arrangement mode is that one movable grid piece and one static grid piece are arranged at intervals, and gaps between the movable grid pieces and the static grid pieces are used for filtering water; the static grid pieces and the side plates on two sides are fixed through a plurality of transverse penetrating rods, a gap is kept between the static grid pieces by gaskets, the movable grid pieces move in the gap and particularly move back and forth along the length direction of a cavity of the filter bed, the movable grid pieces are fixed on a bearing seat through eccentric shafts, the movable grid pieces can drive the movable grid pieces to move in a circular track under the action of the eccentric shafts, teeth are arranged on one sides of the movable grid pieces facing the cavity, a sediment mud layer in the cavity moves towards an outlet under the action of the teeth of the movable grid pieces, and a pressure maintaining cover plate is arranged at the outlet and provides water content of back pressure control mud. The rotary sealing component is an oval grid plate and is fixed in the gap of the static grid plate through a penetrating rod, and one plate is fixed in each gap and is used for preventing dewatered sludge from being extruded out of the gap.
Preferably, the movable grid and the static grid are both strip-shaped grids.
In the sludge concentration dehydrator, the inner side of the pressure maintaining cover plate is of a cone structure, and the cone structure is matched with the characteristics of the sludge outlet and is buckled on the sludge outlet;
the outer side of the pressure maintaining cover plate is connected with a pneumatic element, and the pressure can be adjusted according to the mud water content.
In the sludge concentration dehydrator, the pneumatic element is an air bag or an air cylinder.
In summary, according to the laminated sludge concentrating and dehydrating machine provided by the embodiment of the invention, at least two multi-grid-plate filter chambers are arranged on a transverse rectangular casing and are sequentially and hermetically connected to form a through-type sealed filter chamber, and the water of sludge in the sealed filter chamber is extruded by the pressure of a screw pump connected with a front-end sludge inlet and is discharged from a rear-end sludge outlet. The sludge concentration dehydrator has the advantages of low power consumption, low noise, small volume, full sealing, low manufacturing cost, no need of flushing and the like, and can realize unattended operation.
In order to more clearly show the technical scheme and the technical effects provided by the present invention, the laminated sludge concentrating and dewatering machine provided by the embodiment of the present invention is described in detail with specific embodiments below.
Examples
As shown in fig. 1, the embodiment of the present invention provides a laminated sludge concentrating dehydrator, which uses strip-shaped grid plates to overlap to form a sealed filtering cavity, uses the gaps of the strip-shaped grid plates to intercept sludge and filter water; the method comprises the following steps: the device comprises a transverse rectangular shell, at least two multi-grid-plate filter chambers, a screw pump and a pressure maintaining cover plate;
each multi-grid-plate filter cavity is the same in structure and comprises: the device comprises an upper grid sheet groove, a lower grid sheet groove, two side plates, an eccentric driving assembly and a plurality of rotary sealing grid sheets; wherein the content of the first and second substances,
the upper grid sheet groove and the lower grid sheet groove are both formed by a plurality of static grid sheets and a plurality of movable grid sheets in a mode that one movable grid sheet and one static grid sheet are arranged at intervals, and a water filtering gap is formed between each movable grid sheet and each static grid sheet;
the upper grid sheet groove and the lower grid sheet groove are oppositely arranged up and down to form a filter bed;
the two side plates are respectively arranged at the two sides of the filter bed, each static grid sheet is fixedly connected to the two side plates through a penetrating rod, and a gasket for keeping a gap is arranged between each static grid sheet;
the movable grid pieces of the upper grid piece groove and the lower grid piece groove are fixed on the bearing seat through an upper eccentric shaft and a lower eccentric shaft, the upper eccentric shaft and the lower eccentric shaft are connected with the eccentric driving assembly, and the eccentric driving assembly can drive the upper eccentric shaft and the lower eccentric shaft to drive the movable grid pieces to move in a circular track;
and a rotary sealing grid sheet is fixedly arranged in a gap between two adjacent static grid sheets in the upper grid sheet groove and the lower grid sheet groove through a penetrating rod.
The first is to prevent the sludge from blocking the gap and keep the water filtering channel smooth; secondly, the sludge is pushed to move to an outlet; thirdly, extruding sludge near the outlet to press out moisture;
the upper grid sheet groove and the lower grid sheet groove are arranged up and down symmetrically, two sides and the front and the back are sealed by steel plates (the steel plates form a transverse rectangular casing), a closed filter bed (a filtering cavity) is formed, the screw pump pumps mud from a mud inlet and keeps certain pressure in the filter bed, the pressure of the screw pump extrudes the water in the mud to a gap, the mud close to the movable grid sheet assembly has lower water content, sawteeth are arranged on the side, facing the cavity, of each strip-shaped grid sheet forming the movable grid sheet assembly, the movable grid sheet assembly is driven by an eccentric shaft of the eccentric driving assembly to perform winding motion, and the sawteeth on the strip-shaped grid sheets forming the movable grid sheet assembly can push the mud with lower water content to move to a mud outlet; the pressure maintaining cover plate is arranged on the mud outlet, the cone structure is arranged on the inner side of the pressure maintaining cover plate, the cone structure is buckled on the mud outlet, the pressure of the pressure maintaining cover plate can be adjusted through air pressure, so that the space which is closer to the mud outlet is smaller, and finally, dewatered sludge extrudes the pressure maintaining cover plate under the combined action of the saw teeth of each strip-shaped grid piece of the movable grid piece component and the pressure of the screw pump, and is extruded from a gap between the pressure maintaining cover plate and the mud outlet.
In summary, in the laminated sludge concentration dehydrator according to the embodiment of the present invention, the multi-grating filter chambers are in a modular design, and fig. 1 shows a structure of 2 multi-grating filter chamber modules, and if the sludge treatment capacity is large, only a plurality of multi-grating filter chambers need to be connected, so that the dehydrator does not affect the water content of the treated sludge due to the increase of the sludge treatment capacity, and the longer the dehydration time of the sludge at the sludge outlet is, the lower the water content is. The laminated sludge concentration dehydrator does not rely on the rotary screw shaft to convey the sludge, does not have the problem of abrasion of an extrusion rotating part, and overcomes the defect of limiting the application of the existing laminated sludge concentration dehydrator. The laminated sludge concentration dehydrator has the advantages of low power consumption, low noise, small volume, full sealing, low manufacturing cost, no need of flushing and the like, and can realize unattended operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (9)
1. The utility model provides a lamination formula sludge thickening hydroextractor which characterized in that includes:
the device comprises a transverse rectangular shell, at least two multi-grid-plate filter chambers, a screw pump and a pressure maintaining cover plate; wherein the content of the first and second substances,
the multi-grid-plate filtering cavities are sequentially connected in a sealing manner to form a through-type closed filtering cavity and fixedly arranged in the transverse rectangular shell, the front end of the multi-grid-plate filtering cavity at the foremost end is provided with a mud inlet, and the rear end of the multi-grid-plate filtering cavity at the rearmost end is provided with a mud outlet;
the screw pump is used for connecting the sludge inlet;
the pressure maintaining cover plate is arranged on the sludge outlet;
and a water outlet is arranged at the lower part of the transverse rectangular shell.
2. The laminated sludge concentrating dehydrator according to claim 1, wherein each multi-grid filter chamber has the same structure and comprises:
the device comprises an upper grid sheet groove, a lower grid sheet groove, two side plates, an eccentric driving assembly and a plurality of rotary sealing grid sheets; wherein the content of the first and second substances,
the upper grid sheet groove and the lower grid sheet groove are both formed by a plurality of static grid sheets and a plurality of movable grid sheets in a mode that one movable grid sheet and one static grid sheet are arranged at intervals, and a water filtering gap is formed between each movable grid sheet and each static grid sheet;
the upper grid sheet groove and the lower grid sheet groove are arranged oppositely up and down to form a straight-through cavity filter bed;
the two side plates are respectively arranged at two sides of the straight-through cavity filter bed, each static grid sheet is fixedly connected to the two side plates through a penetrating rod, and a gasket for keeping a gap is arranged between each static grid sheet;
the movable grid pieces of the upper grid piece groove and the lower grid piece groove are fixed on the bearing seat through an upper eccentric shaft and a lower eccentric shaft, the upper eccentric shaft and the lower eccentric shaft are connected with the eccentric driving assembly, and the eccentric driving assembly can drive the upper eccentric shaft and the lower eccentric shaft to drive the movable grid pieces to move in a circular track;
and a rotary sealing grid sheet is fixedly arranged in a gap between two adjacent static grid sheets in the upper grid sheet groove and the lower grid sheet groove through a penetrating rod.
3. The laminated sludge concentrating dehydrator of claim 2, wherein the eccentric drive assembly comprises:
a geared electric drive and transmission; wherein the content of the first and second substances,
and a power shaft of the speed reduction electric driving device is fixedly connected with one end of an upper eccentric shaft, and the other end of the upper eccentric shaft is in transmission connection with the other end of the lower eccentric shaft through the transmission device.
4. The laminated sludge concentrating and dewatering machine of claim 2, wherein the speed reduction electric drive device is composed of a motor and a speed reduction mechanism;
the transmission device adopts a chain wheel and chain mechanism.
5. The laminated sludge concentrating and dewatering machine of claim 3, wherein the transmission device is a chain and sprocket transmission mechanism.
6. The laminated sludge concentrating and dehydrating machine of claim 2, wherein the movable grid plates of the upper and lower grid plate grooves are provided with saw teeth towards the cavity side of the filter bed.
7. The laminated sludge concentrating and dewatering machine of claim 2, wherein the rotary sealing grid plates are all oval grid plates.
8. The laminated sludge concentrating and dehydrating machine of claim 2, wherein the inner side of the pressure maintaining cover plate is of a cone structure, and the cone structure is matched with the sludge outlet in shape and is buckled on the sludge outlet;
the outer side of the pressure maintaining cover plate is connected with a pneumatic element, and the pressure can be adjusted according to the mud water content.
9. The laminated sludge concentrating and dewatering machine of claim 8, wherein the pneumatic element is an air bag or an air cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210126696.7A CN114249516A (en) | 2022-02-10 | 2022-02-10 | Laminated sludge concentration dewatering machine |
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| CN202210126696.7A CN114249516A (en) | 2022-02-10 | 2022-02-10 | Laminated sludge concentration dewatering machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005230852A (en) * | 2004-02-19 | 2005-09-02 | Yamato:Kk | Dehydrator of screw press |
| JP2010119898A (en) * | 2008-11-17 | 2010-06-03 | Tsurumi Mfg Co Ltd | Screw type filtration dehydrator |
| WO2017070811A1 (en) * | 2015-10-26 | 2017-05-04 | 郑朝志 | Grid screw type solid-liquid separation device |
| KR101936069B1 (en) * | 2018-04-16 | 2019-01-08 | 최경룡 | Screw Type Dehydration and Concentration Epuipment Having Main Shaft Bearing Housing Part and Feed Pipe for Efficiency Improvement of Concentration and Recovery |
| CN109250887A (en) * | 2018-10-19 | 2019-01-22 | 宜兴市派尼尔环保设备有限公司 | A kind of more helical axis extruding-desiccation machines of single-chamber |
| CN109264956A (en) * | 2018-10-19 | 2019-01-25 | 宜兴市派尼尔环保设备有限公司 | A kind of ladder step-by-step movement sludge dewatering equipment |
| CN216918981U (en) * | 2022-02-10 | 2022-07-08 | 北京首创污泥处置技术有限公司 | Laminated sludge concentration dewatering machine |
-
2022
- 2022-02-10 CN CN202210126696.7A patent/CN114249516A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005230852A (en) * | 2004-02-19 | 2005-09-02 | Yamato:Kk | Dehydrator of screw press |
| JP2010119898A (en) * | 2008-11-17 | 2010-06-03 | Tsurumi Mfg Co Ltd | Screw type filtration dehydrator |
| WO2017070811A1 (en) * | 2015-10-26 | 2017-05-04 | 郑朝志 | Grid screw type solid-liquid separation device |
| KR101936069B1 (en) * | 2018-04-16 | 2019-01-08 | 최경룡 | Screw Type Dehydration and Concentration Epuipment Having Main Shaft Bearing Housing Part and Feed Pipe for Efficiency Improvement of Concentration and Recovery |
| CN109250887A (en) * | 2018-10-19 | 2019-01-22 | 宜兴市派尼尔环保设备有限公司 | A kind of more helical axis extruding-desiccation machines of single-chamber |
| CN109264956A (en) * | 2018-10-19 | 2019-01-25 | 宜兴市派尼尔环保设备有限公司 | A kind of ladder step-by-step movement sludge dewatering equipment |
| CN216918981U (en) * | 2022-02-10 | 2022-07-08 | 北京首创污泥处置技术有限公司 | Laminated sludge concentration dewatering machine |
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