CN212954775U - Sludge prewashing device - Google Patents

Sludge prewashing device Download PDF

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Publication number
CN212954775U
CN212954775U CN202021681621.8U CN202021681621U CN212954775U CN 212954775 U CN212954775 U CN 212954775U CN 202021681621 U CN202021681621 U CN 202021681621U CN 212954775 U CN212954775 U CN 212954775U
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CN
China
Prior art keywords
prewashing
stirring
waterproof
sludge
fixing piece
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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.)
Expired - Fee Related
Application number
CN202021681621.8U
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Chinese (zh)
Inventor
严兰明
郑依平
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Jiaoling Weizhou Environmental Protection Co Ltd
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Jiaoling Weizhou Environmental Protection Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN202021681621.8U priority Critical patent/CN212954775U/en
Application granted granted Critical
Publication of CN212954775U publication Critical patent/CN212954775U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a mud prewashing device, including prewashing mounting, metal separator, movable light debris screening plant, spiral agitating unit, controller, power and control panel, the prewashing mounting upper wall is equipped with the feed inlet of infundibulate setting, metal separator, movable light debris screening plant and spiral agitating unit from the top down locate in the prewashing mounting in proper order, prewashing mounting lateral wall is equipped with the discharge gate, prewashing mounting lateral wall is equipped with the control chamber, the control intracavity is located to controller and power, control panel locates on the prewashing mounting lateral wall, the inside upper wall of prewashing mounting is equipped with the shower, prewashing mounting lateral wall is equipped with the shower. The utility model belongs to refuse treatment environmental protection engineering equipment field specifically is to provide a mud prewashing device that can effectively separate heavy metal, light debris and heavy debris, effectively reduce water consumption.

Description

Sludge prewashing device
Technical Field
The utility model belongs to the field of refuse treatment environmental protection engineering equipment, specifically indicate a mud prewashing device.
Background
The sludge in the sewer canal is formed by depositing partial substances which are easy to settle in rainwater and sewage in the pipeline conveying process and gradually accumulating in the pipeline, mainly comprises sand, slag, a small amount of organic matters and the like, can be used as auxiliary raw materials of building materials for waste utilization, but also accumulates a large amount of heavy metals, pathogenic microorganisms and the like, if the sludge is not properly treated, the sludge in the sewer canal not only causes secondary pollution to the environment, but also brings great threat to human health. Compared with the solid matter of the sludge in the developed countries in the western world which is basically inorganic, the sludge in the countries has the characteristics that the sludge is mainly inorganic and is mixed with a large amount of impurities such as domestic garbage, bark, masonry and the like, which brings great difficulty to the treatment of the sludge in the countries. The purpose of the sludge elutriation pretreatment is to separate the components in the sludge in the sewer so as to further separate the sludge for treatment. However, the ditch sludge elutriation pretreatment needs a large amount of elutriation water, the volume ratio of the sludge to the elutriation water is usually more than 1: 10, and a circulating pump needs to be additionally arranged to enhance the elutriation and separation effects, so that on one hand, a large amount of water resources are wasted and the operation cost is increased, on the other hand, the circulating pump is easily blocked by grease in the ditch sludge, and even the circulating pump cannot operate in severe cases. In conclusion, the popularization and application of the technology are greatly limited due to the huge water consumption and the immature circulation system.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing difficult problem, the utility model provides a sludge prewashing device which can effectively separate heavy metal, light sundries and heavy sundries and effectively reduce water consumption.
The utility model adopts the following technical scheme: the utility model relates to a sludge prewashing device, including prewashing mounting, metal separator, movable light debris screening plant, spiral agitating unit, controller, power and control panel, the prewashing mounting is the cavity setting, the prewashing mounting upper wall is equipped with the feed inlet of infundibulate setting, metal separator, movable light debris screening plant and spiral agitating unit locate in the prewashing mounting from top to bottom in proper order, and metal separator screens the metallic impurity in the mud, and movable light debris screening plant screens the light debris in the mud, and spiral agitating unit is convenient for stir mud, prewashing mounting lateral wall is equipped with the discharge gate, the discharge gate is equipped with the sealing plug, and the discharge gate is convenient for discharge mud; the side wall of the prewashing fixing piece is provided with a control cavity, the controller and the power supply are arranged in the control cavity, the control panel is arranged on the outer side wall of the prewashing fixing piece and is respectively and electrically connected with the controller and the power supply, the upper wall inside the prewashing fixing piece is provided with a spray header, the side wall of the prewashing fixing piece is provided with a spray pipe, and the spray header is communicated with the spray pipe; the metal separating piece comprises a water-proof film and electromagnets arranged in a net shape, the surfaces of the electromagnets are uniformly provided with meshes, the length and the width of the meshes are larger than those of the plate bricks, the water-proof film is uniformly wrapped on the outer sides of the electromagnets, the water-proof film effectively isolates the electromagnets from being in direct contact with water, the use safety is ensured, after sludge is poured from the feed inlet, the sludge and impurities can slide down along the meshes of the electromagnets, the electromagnets can adsorb a part of metal impurities in the sliding process, the movable light impurity screening device comprises a winding roll, a stainless steel metal filter screen, a torsion spring, a double-shaft motor, a waterproof motor cover cavity, a stretching rotating shaft, a stretching gear and a stretching rack, the winding roll can be rotatably arranged in the prewashing fixing piece and is arranged below the electromagnets, one end of the torsion spring is fixedly connected to the winding roll, and the other end of the torsion, the stainless steel metal filter screen is wound on the winding roller, the stretching rack is fixedly connected with two opposite side walls of the prewashing fixing piece, the upper wall of the stretching rack is provided with gear teeth, the inner wall of the prewashing fixing piece is provided with a sliding groove, the sliding groove is arranged above the stretching rack, the stretching rotating shaft is rotatably arranged at two sides of a waterproof motor cover cavity, two sides of the waterproof motor cover cavity are provided with clamping plates, the clamping plates are slidably clamped in the sliding groove, the clamping plates and the sliding groove are convenient for the waterproof motor cover cavity to slide and play a role in fixing and bearing the waterproof motor cover cavity, the stainless steel metal filter screen is connected with the waterproof motor cover cavity, the stretching gear is arranged on the stretching rotating shaft and meshed with the stretching rack, the double-shaft motor is fixedly connected in the waterproof motor cover cavity, two ends of the double-shaft motor are respectively connected with the stretching rotating shafts at, the stretching rotating shaft rotates to drive the stretching gear to drive, the stretching gear rotates to drive the stretching gear to move relative to the stretching rack, the stretching gear moves along the stretching rack under the action of the double-shaft motor to drive the stainless steel metal filter screen to pull out the winding roll due to the fact that the stretching rack is static, the stainless steel metal filter screen is pulled out to filter light metal, and when the motor stops rotating, the winding roll is reset rapidly under the action of elastic tension of the torsion spring, so that impurities with large weight and large volume sink.
Further, spiral agitating unit is including stirring waterproof chamber, agitator motor, stirring pivot and spiral stirring spare, prewashing mounting diapire is located to the waterproof chamber of stirring, agitator motor locates the waterproof intracavity of stirring, the stirring pivot is rotatable locate the waterproof intracavity of stirring and locates stainless steel metal filter screen below, spiral stirring spare is located in the stirring pivot, spiral stirring spare is thick thin spiral setting down, agitator motor's output shaft links to each other with the stirring pivot, and agitator motor rotates and drives the stirring pivot and rotate, and the stirring pivot rotates and drives spiral stirring spare and rotate, and spiral stirring spare stirs in mud and forms the whirl, and light debris in the mud floats to the mud surface along spiral stirring spare spiral under the spiral stirring effect of whirl and spiral stirring spare is convenient for filter.
Further, the power supply is respectively and electrically connected with the controller, the stirring motor, the double-shaft motor and the electromagnet, and the controller is respectively and electrically connected with the electromagnet, the stirring motor and the double-shaft motor.
Furthermore, a first sealing ring is arranged between the stirring rotating shaft and the stirring waterproof cavity, a second sealing ring is arranged between the waterproof motor cover cavity and the stretching rotating shaft, and the first sealing ring and the second sealing ring effectively guarantee the sealing of the stirring waterproof cavity and the waterproof motor cover cavity, so that water is prevented from entering, and the use safety of the device is guaranteed.
Furthermore, the waterproof motor cover cavity is made of a stainless steel plate material with the thickness of 5MM-10MM, and the influence of the electromagnet on the double-shaft motor is reduced.
Furthermore, the stretching gear, the winding roller, the stretching rack and the spiral stirring piece are made of stainless steel materials, so that the stainless steel stretching roller is rust-proof, wear-resistant and long in service life.
Furthermore, the waterproof membrane adopts an oxford cloth layer, and is waterproof and wear-resistant.
Further, prewashing the mounting lateral wall and being equipped with impurity and taking out the door, impurity takes out a side and is equipped with seal ring, and impurity takes out the door and is convenient for take out impurity, and seal ring prevents the mud seepage.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme sludge prewashing device simple structure, and reasonable design, and is easy and simple to handle, through screening processing in advance to mud, water consumption when can effectively reducing the mud elutriation, spiral stirring piece stirring mud through last thick thin spiral setting forms the whirl and makes debris come-up to mud surface after filter light debris through portable tensile stainless steel metal filters, adsorb metal impurities in the screening mud through the electro-magnet that is provided with the mesh, with metal impurities, spray the elutriation once more after light impurities and heavy impurities and the mud separation, effectively reduce water consumption, and the mud elutriation is efficient.
Drawings
FIG. 1 is a schematic view of the internal structure of a sludge prewashing device of the present invention;
FIG. 2 is a schematic structural view of a metal separator of the sludge pre-washing device of the present invention;
fig. 3 is a sectional view of the sludge prewashing device of the utility model.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings: 1. the device comprises a prewashing fixing piece, 2, a metal separating piece, 3, a movable light sundries screening device, 4, a spiral stirring device, 5, a controller, 6, a power supply, 7, a control panel, 8, a feed inlet, 9, a discharge outlet, 10, a sealing plug, 11, a control cavity, 12, a spray head, 13, a spray pipe, 14, a water-resisting film, 15, an electromagnet, 16, a mesh, 17, a winding roller, 18, a stainless steel metal filter screen, 19, a torsion spring, 20, a double-shaft motor, 21, a waterproof motor cover cavity, 22, a stretching rotating shaft, 23, a stretching gear, 24, a stretching rack, 25, a sliding groove, 26, a clamping plate, 27, a stirring waterproof cavity, 28, a stirring motor, 29, a stirring rotating shaft, 30, a spiral stirring piece, 31, a sealing ring I, 32, a sealing ring II, 33, an impurity taking-out door, 34 and a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model relates to a sludge prewashing device, which comprises a prewashing fixing member 1, a metal separating member 2, a movable light sundries screening device 3, a spiral stirring device 4, a controller 5, a power supply 6 and a control panel 7, wherein the prewashing fixing member 1 is arranged in a hollow cavity, a funnel-shaped feeding port 8 is arranged on the upper wall of the prewashing fixing member 1, the metal separating member 2, the movable light sundries screening device 3 and the spiral stirring device 4 are sequentially arranged in the prewashing fixing member 1 from top to bottom, a discharging port 9 is arranged on the side wall of the prewashing fixing member 1, and a sealing plug 10 is arranged on the discharging port 9; the side wall of the prewashing fixing piece 1 is provided with a control cavity 11, the controller 5 and the power supply 6 are arranged in the control cavity 11, the control panel 7 is arranged on the outer side wall of the prewashing fixing piece 1, the control panel 7 is respectively electrically connected with the controller 5 and the power supply 6, the control panel can be a touch screen, the upper wall inside the prewashing fixing piece 1 is provided with a spray header 12, the side wall of the prewashing fixing piece 1 is provided with a spray pipe 13, and the spray header 12 is communicated with the spray pipe 13; the metal separating part 2 comprises a water-stop film 14 and electromagnets 15 arranged in a net shape, the surface of each electromagnet 15 is uniformly provided with meshes 16, the length and the width of each mesh 16 are larger than those of a plate brick, each water-stop film 14 is uniformly wrapped on the outer side of each electromagnet 15, each movable light sundries screening device 3 comprises a winding roller 17, a stainless steel metal filter screen 18, a torsion spring 19, a double-shaft motor 20, a waterproof motor cover cavity 21, a stretching rotating shaft 22, a stretching gear 23 and a stretching rack 24, each winding roller 17 is rotatably arranged in the prewashing fixing part 1 and is arranged below each electromagnet 15, one end of each torsion spring 19 is fixedly connected to the corresponding winding roller 17, the other end of each torsion spring 19 is fixedly connected to the side wall of the prewashing fixing part 1, each stainless steel metal filter screen 18 is wound on the corresponding winding roller 17, and each stretching rack 24 is fixedly connected to the corresponding two side, the upper wall of the stretching rack 24 is provided with gear teeth, the inner wall of the prewashing fixing part 1 is provided with a sliding groove 25, the sliding groove 25 is arranged above the stretching rack 24, the stretching rotating shaft 22 is rotatably arranged on two sides of the waterproof motor cover cavity 21, two sides of the waterproof motor cover cavity 21 are provided with clamping plates 26, the clamping plates 26 are slidably clamped in the sliding groove 25, the stainless steel metal filter screen 18 is connected with the waterproof motor cover cavity 21, the stretching gear 23 is arranged on the stretching rotating shaft 22, the stretching gear 23 is meshed with the stretching rack 24, the biaxial motor 20 is fixedly connected in the waterproof motor cover cavity 21, and two ends of the biaxial motor 20 are respectively connected with the stretching rotating shafts 22 on two sides of the waterproof motor cover cavity 21.
The spiral stirring device 4 comprises a stirring waterproof cavity 27, a stirring motor 28, a stirring rotating shaft 29 and a spiral stirring piece 30, wherein the stirring waterproof cavity 27 is arranged on the bottom wall of the prewashing fixing piece 1, the stirring motor 28 is arranged in the stirring waterproof cavity 27, the stirring rotating shaft 29 is rotatably arranged in the stirring waterproof cavity 27 and is arranged below the stainless steel metal filter screen 18, the spiral stirring piece 30 is arranged on the stirring rotating shaft 29, the spiral stirring piece 30 is spirally arranged in a manner that the upper part is thick and the lower part is thin, an output shaft of the stirring motor 28 is connected with the stirring rotating shaft 29, the power supply 6 is respectively electrically connected with the controller 5, the stirring motor 28, the double-shaft motor 20 and the electromagnet 15, and the controller 5 is respectively electrically connected with the stirring motor 28, the double-shaft motor 20 and the electromagnet 15; a first sealing ring 31 is arranged between the stirring rotating shaft 29 and the stirring waterproof cavity 27, a second sealing ring 32 is arranged between the waterproof motor cover cavity 21 and the stretching rotating shaft 22, and the first sealing ring 31 and the second sealing ring 32 effectively ensure the sealing of the stirring waterproof cavity 27 and the waterproof motor cover cavity 21, so that water is prevented from entering and the use safety of the device is ensured; the waterproof motor cover cavity 21 is made of a stainless steel plate material with the thickness of 5MM-10MM, so that the influence of the electromagnet 15 on the double-shaft motor 20 is reduced; the stretching gear 23, the winding roller 17, the stretching rack 24 and the spiral stirring piece 30 are made of stainless steel materials; the waterproof membrane 14 is an oxford cloth layer; wash 1 lateral wall of mounting in advance and be equipped with impurity and take out door 33, impurity is taken out and is equipped with seal ring 34 on the door 33 side, and impurity is taken out door 33 and is convenient for take out impurity, and seal ring 34 prevents the mud seepage.
When the device is used, the power supply 6 is controlled by the control panel 7 to supply power to the electromagnet 15, the controller 5, the double-shaft motor 20 and the stirring motor 28 to enable the device to work, sludge is poured from the feeding hole 8 until the liquid level of the sludge is lower than the electromagnet 15 and higher than the winding roller 17, the stainless steel metal filter screen 18 is wound and wound on the winding roller 17 in an initial state, the sludge and impurities slide downwards from the meshes 16 of the electromagnet 15 in the process of pouring the sludge from the feeding hole 8, the electromagnet 15 adsorbs part of metal impurities in the sludge through the water-proof film 14, the stirring motor 28 is controlled to rotate by the control panel 7 after the sludge is poured, the stirring motor 28 rotates to drive the stirring rotating shaft 29 to rotate, the stirring rotating shaft 29 rotates to drive the spiral stirring piece 30 to rotate, the spiral stirring piece 30 is stirred in the sludge to form a rotational flow, and light impurities in the sludge spirally float upwards to the surface of the sludge along the spiral stirring piece 30 under the rotational flow, the electromagnet 15 adsorbs metal impurities in floating impurities, when most of impurities float on the sludge surface from the feed port 8, a user sends an instruction through the control panel 7 to control the double-shaft motor 20 to start working, the double-shaft motor 20 rotates to drive the stretching rotating shaft 22 to rotate, the stretching rotating shaft 22 rotates to drive the stretching gear 23 to rotate, the stretching gear 23 rotates so that the stretching gear 23 moves relative to the stretching rack 24, due to the fact that the stretching rack 24 is still, the stretching gear 23 moves along the stretching rack 24 under the action of the double-shaft motor 20 to drive the stainless steel metal filter screen 18 to be pulled out of the winding roller 17, the stretching gear 23 drives the waterproof motor cover cavity 21 to slide along the sliding chute 25 through the stretching rotating shaft 22, when the waterproof motor cover cavity 21 is stretched to the tail end of one end of the stretching rack 24 far away from the winding roller 17, the controller 5 controls the double-shaft motor 20 to stop rotating, the winding roller 17 is quickly reset under the action of the elastic tension of the torsion spring 19 and winds the light impurities on the stainless steel metal filter screen 18 among the stainless steel metal filter screens 18, the light impurities which do not float upwards in the sludge float upwards along with stirring along with the rotation of the spiral stirring piece 30, the controller 5 controls the double-shaft motor 20 to rotate again at intervals to drive the stainless steel metal filter screen 18 to extend out and filter the light impurities on the upper surface of the wound sludge again, the operation is repeated for a plurality of times until the light impurities are basically filtered, a user takes the sealing plug 10 out of the discharge hole 9, the sludge is discharged along the discharge hole 9, the heavy impurities cannot be discharged along with the sludge from the discharge hole 9 due to the heavy volume and remain on the bottom wall of the prewashing fixing piece 1, after the sludge is basically discharged, the water pump is connected with the spray pipe 13, and water flow is sprayed from the spray head, and spray stainless steel metal filter screen 18 and filterable light impurity, rivers are sprayed and are elutriated heavy debris and spray to the fixing part 1 inner wall of prewashing on heavy debris, and mud miscellaneous water is discharged from discharge gate 9, then takes out metal impurity, light impurity and heavy impurity from impurity take-out door 33.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a mud prewashing device which characterized in that: comprises a prewashing fixing piece, a metal separating piece, a movable light sundries screening device, a spiral stirring device, a controller, a power supply and a control panel, the prewashing fixing piece is arranged in a hollow cavity, the upper wall of the prewashing fixing piece is provided with a funnel-shaped feeding hole, the metal separating piece, the movable light sundries screening device and the spiral stirring device are sequentially arranged in the prewashing fixing piece from top to bottom, the side wall of the prewashing fixing piece is provided with a discharge hole, the discharge hole is provided with a sealing plug, the side wall of the prewashing fixing piece is provided with a control cavity, the controller and the power supply are arranged in the control cavity, the control panel is arranged on the outer side wall of the prewashing fixing piece, the control panel is respectively electrically connected with the controller and the power supply, the upper wall inside the prewashing fixing piece is provided with a spray head, the side wall of the prewashing fixing piece is provided with a spray pipe, and the spray head is communicated with the spray pipe; the metal separating piece comprises a water-proof film and electromagnets arranged in a net shape, wherein meshes are uniformly distributed on the surfaces of the electromagnets, the length and the width of each mesh are greater than those of the plate bricks, the water-proof film is uniformly wrapped on the outer sides of the electromagnets, the water-proof film effectively isolates the electromagnets from being in direct contact with water, the use safety is ensured, sludge is poured into the water-proof device from a feed inlet, the movable light sundries screening device comprises a winding roller, a stainless steel metal filter screen, a torsion spring, a double-shaft motor, a waterproof motor cover cavity, a stretching rotating shaft, a stretching gear and a stretching rack, the winding roller is rotatably arranged in the prewashing fixing piece and is arranged below the electromagnets, one end of the torsion spring is fixedly connected to the winding roller, the other end of the torsion spring is fixedly connected to the side wall of the prewashing fixing piece, the stainless steel metal filter screen is wound on, the utility model discloses a waterproof motor cover, including tensile rack, fixing part, cardboard, stainless steel metal filter screen, tensile rack upper wall is equipped with the teeth of a cogwheel, prewashing mounting inner wall is equipped with the spout, tensile rack top is located to the spout, the rotatable waterproof motor cover chamber both sides of locating of tensile pivot, waterproof motor cover chamber both sides are equipped with the cardboard, cardboard slip joint is located in the spout, stainless steel metal filter screen links to each other with waterproof motor cover chamber, tensile gear is located in the tensile pivot, tensile gear and tensile rack toothing, waterproof motor cover intracavity is located to the double-shaft motor rigid coupling, the double-shaft motor both ends link to each other with the tensile pivot of.
2. The sludge prewashing device according to claim 1, wherein: spiral agitating unit is including stirring waterproof chamber, agitator motor, stirring pivot and spiral stirring spare, prewashing mounting diapire is located to the waterproof chamber of stirring, agitator motor locates the waterproof intracavity of stirring, the rotatable waterproof intracavity of stirring of locating of stirring pivot just locates stainless steel metal filter screen below, the spiral stirring spare is located in the stirring pivot, the spiral stirring spare is thick thin spiral setting down, agitator motor's output shaft links to each other with the stirring pivot.
3. The sludge prewashing device according to claim 2, wherein: the power supply is respectively and electrically connected with the controller, the stirring motor, the double-shaft motor and the electromagnet, and the controller is respectively and electrically connected with the electromagnet, the stirring motor and the double-shaft motor.
4. The sludge prewashing device according to claim 2, wherein: a first sealing ring is arranged between the stirring rotating shaft and the stirring waterproof cavity, and a second sealing ring is arranged between the waterproof motor cover cavity and the stretching rotating shaft.
5. The sludge prewashing device according to claim 1, wherein: the waterproof motor cover cavity is made of a stainless steel plate material with the thickness of 5MM-10 MM.
6. The sludge prewashing device according to claim 2, wherein: the stretching gear, the winding roller, the stretching rack and the spiral stirring piece are made of stainless steel materials.
7. The sludge prewashing device according to claim 1, wherein: the waterproof membrane adopts an oxford cloth layer.
8. The sludge prewashing device according to claim 1, wherein: the prewashing fixing piece side wall is provided with an impurity taking-out door, and a sealing gasket is arranged on the side edge of the impurity taking-out door.
CN202021681621.8U 2020-08-13 2020-08-13 Sludge prewashing device Expired - Fee Related CN212954775U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021681621.8U CN212954775U (en) 2020-08-13 2020-08-13 Sludge prewashing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021681621.8U CN212954775U (en) 2020-08-13 2020-08-13 Sludge prewashing device

Publications (1)

Publication Number Publication Date
CN212954775U true CN212954775U (en) 2021-04-13

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Application Number Title Priority Date Filing Date
CN202021681621.8U Expired - Fee Related CN212954775U (en) 2020-08-13 2020-08-13 Sludge prewashing device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114751616A (en) * 2022-06-16 2022-07-15 中国市政工程华北设计研究总院有限公司 Drainage pipeline sludge carbon source extraction system and method for on-line separation of organic and inorganic components
CN116040897A (en) * 2023-03-30 2023-05-02 中国市政工程华北设计研究总院有限公司 Method for synchronously extracting organic carbon source in situ by removing dirt from river sediment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114751616A (en) * 2022-06-16 2022-07-15 中国市政工程华北设计研究总院有限公司 Drainage pipeline sludge carbon source extraction system and method for on-line separation of organic and inorganic components
CN114751616B (en) * 2022-06-16 2022-09-02 中国市政工程华北设计研究总院有限公司 Drainage pipeline sludge carbon source extraction system and method for on-line separation of organic and inorganic components
CN116040897A (en) * 2023-03-30 2023-05-02 中国市政工程华北设计研究总院有限公司 Method for synchronously extracting organic carbon source in situ by removing dirt from river sediment

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Granted publication date: 20210413