CN117466506B

CN117466506B - Sludge treatment equipment and method

Info

Publication number: CN117466506B
Application number: CN202311814968.3A
Authority: CN
Inventors: 刘茹飞; 王欣姿; 耿欣; 刘杰; 姬超; 刘玉轩; 赵瑞瑞; 尹然; 杨晶博
Original assignee: Zhongcheng Institute Beijing Environmental Technology Co ltd; China Urban Construction Design and Research Institute Co Ltd
Current assignee: Zhongcheng Institute Beijing Environmental Technology Co ltd; China Urban Construction Design and Research Institute Co Ltd
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-03-29
Anticipated expiration: 2043-12-27
Also published as: CN117466506A

Abstract

The invention is suitable for the field of sludge treatment, and provides sludge treatment equipment and a method. Including the bottom plate, the top fixedly connected with of bottom plate handles the case, and the inside of handling the case is provided with first filter chamber, retrieves chamber and second filter chamber, retrieves chamber and first filter chamber intercommunication, and the second filter chamber passes through blanking mouth and first filter chamber intercommunication, and the inside fixedly connected with of first filter chamber has two mount pads, rotates between two mount pads to be connected with the filtration cage, and the cross-section of filtration cage is trapezoidal, and the great one end of filtration cage diameter extends to and retrieves the intracavity. The device is through setting up crushing mechanism, filtration cage, washing subassembly, filter and sedimentation box, makes mud earlier through smashing, makes it and solid rubbish separation in the filtration cage again, then the filter carries out secondary filtration to it again to can obtain comparatively pure mud, the follow-up sludge treatment of being convenient for and emission.

Description

Sludge treatment equipment and method

Technical Field

The invention belongs to the field of sludge treatment, and particularly relates to sludge treatment equipment and a sludge treatment method.

Background

Sludge generated in urban life and urban municipal facilities related to urban life activities in the operation and maintenance processes can be divided into: sewage plant sludge, water supply plant sludge, drainage pipeline sludge, dredging sludge, construction sludge and the like. The sewage treatment plant in China discharges tens of thousands of wet sludge each year, and the sludge contains a large amount of toxic substances, so that if the toxic substances are improperly treated, secondary pollution is caused to the environment.

The general solid garbage in the municipal sludge is relatively more, if the municipal sludge is directly discharged, the environment is polluted, the existing municipal sludge treatment equipment generally adopts a precipitation method or a crushing method to treat the sludge, but the mixed solid sundries in the sludge are not easy to clean out, the treatment is not thorough, and the discharged sludge has influence on the environment.

To avoid the above-mentioned problems, it is necessary to provide a sludge treatment apparatus and method to overcome the drawbacks of the prior art.

Disclosure of Invention

The invention aims to provide sludge treatment equipment and a sludge treatment method, which aim to solve the problem that solid impurities contained in sludge are not easy to treat.

The invention is realized in this way, a sludge treatment device and a method, the sludge treatment device comprises a bottom plate, the top of the bottom plate is fixedly connected with a treatment box, a first filter cavity, a recovery cavity and a second filter cavity are arranged in the treatment box, the recovery cavity is communicated with the first filter cavity, the second filter cavity is communicated with the first filter cavity through a blanking port, two mounting seats are fixedly connected in the first filter cavity, a filter cage is rotationally connected between the two mounting seats, the cross section of the filter cage is trapezoid, one end with larger diameter of the filter cage extends into the recovery cavity, a filter plate which is obliquely arranged is fixedly connected in the second filter cavity, a sedimentation box is also arranged in the second filter cavity, the sedimentation box is positioned below the filter plate, an opening for the sedimentation box to move out is formed in the side face of the treatment box, a first access door is hinged in the opening, a discharge port communicated with the recovery box is formed in the side face of the recovery box, a recovery port communicated with the recovery box is formed in the side face of the filter plate, a recovery port is formed in the side face of the treatment box, a recovery port communicated with the recovery cavity is formed in the side face of the recovery box, and a recovery port is hinged in the recovery door is further provided. The feeding pipe is fixedly connected to one end of the filtering cage with a smaller diameter; the sealing mechanism is arranged on the treatment box, the output end of the sealing mechanism extends into the recovery cavity, and the sealing mechanism is used for sealing one end of the filter cage; the crushing mechanism is arranged on the treatment box, the output end of the crushing mechanism is connected with one end of the feeding pipe extending out of the treatment box, the crushing mechanism is used for crushing sludge, and agglomerated sludge and a part of garbage are crushed, so that the sludge can be conveniently treated subsequently; the flushing assembly is arranged on the treatment box, the output end of the flushing assembly extends into the first filter cavity, and the flushing assembly is used for flushing the sludge in the filter cage, diluting the sludge and enabling the sludge to pass through the filter cage along with water flow, so that the garbage with larger volume in the sludge is left in the filter cage; the water pumping assembly is arranged on the recovery tank, the output end of the water pumping assembly is communicated with the second filter cavity, and the water pumping assembly is used for pumping out redundant water in the second filter cavity so as to obtain precipitated sludge; and the driving mechanism is arranged on the treatment box, the output end of the driving mechanism is connected with the feeding pipe, and the driving mechanism is used for driving the feeding pipe to rotate so as to drive the filtering cage to rotate, so that the sludge is repeatedly rolled in the filtering cage, and the sludge can be rapidly scattered.

Further technical scheme, the blanking mouth is the funnel form, is convenient for make the mud in the first filter chamber fall to the second filter chamber in whole.

Further technical scheme, closing mechanism includes the mounting bracket of fixed connection at the processing case top, fixedly connected with telescopic link on the mounting bracket, and the expansion end fixedly connected with closing plate of telescopic link, the one end that the closing plate extends to the recovery intracavity and the one end contact of filtering cage, has offered the slide opening that supplies the closing plate activity on the processing case.

Further technical scheme, crushing mechanism includes the crushing case of fixed connection at the processing case top, and the bottom intercommunication of crushing case has the discharging pipe, and the one end of discharging pipe is connected with rotary joint, and rotary joint's one end and inlet pipe intercommunication, crushing case's inside rotation is connected with two crushing rollers, and crushing mechanism still includes power unit, and power unit installs on crushing case, and power unit's output all is connected with two crushing rollers, and power unit is used for driving two crushing rollers synchronous reverse rotation.

Further technical scheme, power unit includes two first gears of fixed connection in two crushing roller one end respectively, and two first gears meshing are connected, and crushing case's side fixed mounting has first motor, and the output of first motor and one crushing roller's one end fixed connection.

Further technical scheme, wash the subassembly including fixed mounting on the processing box first water pump, the delivery port intercommunication of first water pump has the outlet pipe, and the outlet pipe extends to the one end intercommunication in the first filter chamber and has the spray pipe, and the intercommunication has a plurality of flushing heads on the spray pipe, and spray pipe fixed connection is at the top of first filter chamber.

The flushing assembly further comprises a switching mechanism and a switching switch, the switching mechanism comprises a switching box fixedly connected to the processing box, the switching box is communicated with a water inlet of a first water pump through a first water inlet pipe, two opposite sides of the switching box are respectively communicated with a second water inlet pipe and a third water inlet pipe, one end of the third water inlet pipe extends to the inside of a second filter cavity, the second water inlet pipe is connected with an external water source, a sealing piece is slidably connected to the inside of the switching box, the sealing piece is I-shaped, a cylinder is fixedly connected to the side face of the switching box, the cylinder extends to the movable end inside the switching box and is fixedly connected with the side face of the sealing piece, two ends of the sealing piece can respectively seal the second water inlet pipe and the third water inlet pipe, when the sealing piece seals the third water inlet pipe, the first water pump can pump external water through the second water through the third water inlet pipe, and when the sealing piece seals the second water inlet pipe, and therefore water in the second filter cavity can be recycled; the change over switch is installed in the second filter chamber, and the change over switch is connected with the cylinder electricity, and when the water in the second filter chamber was close the filter, the change over switch was used for switching on the power of cylinder to make the cylinder drive the shutoff piece and remove, make the shutoff piece with the shutoff of second inlet tube, make the washing subassembly switch to circulation washing mode.

Further technical scheme, change over switch includes the switch frame of fixed connection at the second filter chamber lateral wall, the inside side of switch frame is provided with pressure switch, still fixedly connected with fixed section of thick bamboo on the lateral wall of second filter chamber, the inside sliding connection of fixed section of thick bamboo has the extrusion pole, the bottom fixedly connected with kickboard of extrusion pole, fixedly connected with limiting plate on the lateral wall of second filter chamber, when there is not water in the second filter chamber, the bottom contact of limiting plate and kickboard, and the bottom of kickboard is not less than the one end that the third inlet tube extends to the second filter chamber, the inclined plane has been seted up to the one end that the extrusion pole is close to pressure switch, the extrusion pole of being convenient for passes the switch frame.

Further technical scheme, the subassembly that draws water includes the second water pump of fixed connection on the collection box, and the water inlet intercommunication of second water pump has the fourth inlet tube, and the inside of second filter chamber is extended to the one end of fourth inlet tube, and the one end of fourth inlet tube is not less than the top of precipitation box.

Further technical scheme, actuating mechanism includes the second motor of fixed mounting on the processing case, and the output fixedly connected with second gear of second motor is connected with the third gear on the inlet pipe, and second gear and third gear meshing are connected.

A method of treating sludge using a sludge treatment apparatus, comprising the steps of:

1) Pouring the sludge into a crushing mechanism, crushing the sludge by the crushing mechanism, and conveying the crushed sludge into a filtering cage through a feeding pipe;

2) The first water pump pumps external water through the second water inlet pipe, water flows are sprayed into the filtering cage through the water outlet pipe, the water spraying pipe and the flushing head, the water flows dilute sludge, the diluted sludge water falls onto the filtering plate through the filtering cage, the filtering plate performs secondary filtering on the sludge water, and the sludge water falls into the precipitation box through the filtering plate;

3) The driving mechanism drives the feeding pipe and the filtering cage to rotate, and the filtering cage continuously rolls over the sludge in the filtering cage;

4) When the water surface in the second filter cavity is higher than one end of the third water inlet pipe, the extruding rod extrudes the pressure switch, the power supply of the air cylinder is connected, the air cylinder drives the plugging piece to move, the second water inlet pipe is plugged by the plugging piece, the third water inlet pipe is opened, and the first water pump extracts sludge water in the second filter cavity through the third water inlet pipe, so that water circulation is formed;

5) When the sludge in the filter cage is washed out, the power supply of the first water pump and the driving mechanism is turned off, the closing mechanism is operated to open one end of the filter cage, and the solid garbage in the filter cage falls into the recovery cavity;

6) Opening a third access door to recycle the garbage in the recycling cavity;

7) Opening a second access door to recover impurities in the recovery box;

8) Precipitating the sludge water in the second filter cavity, enabling the precipitate to fall into a precipitation box, and then pumping out redundant water in the second filter cavity by using a pumping assembly;

9) And opening the first access door, taking out the sedimentation box, and recycling the sludge in the sedimentation box.

Compared with the prior art, the invention has the following beneficial effects:

1. the device is provided with the crushing mechanism, the filtering cage, the flushing assembly, the filter plate and the sedimentation box, so that the sludge is crushed firstly, then is separated from solid garbage in the filtering cage, and is filtered secondarily by the filter plate, so that purer sludge can be obtained, and the subsequent sludge treatment and discharge are facilitated;

2. when the sludge is washed, external water is firstly used, and when the water in the treatment tank reaches a certain reserve, the washing component can extract the water in the treatment tank and circularly wash the water under the action of the change-over switch, so that the external water is not required to be used, and water resources are saved.

The above, as well as additional objectives, advantages, and features of the present application will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present application when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic perspective view of a sludge treatment apparatus according to embodiment 1 of the present invention;

FIG. 2 is a schematic cross-sectional view of a sludge treatment apparatus according to embodiment 1 of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;

FIG. 4 is a schematic top sectional view of a sludge treatment facility according to example 1 of the present invention;

FIG. 5 is a schematic flow chart of a method for treating sludge by using the sludge treatment apparatus of example 1 of the present invention; and

fig. 6 is a schematic view of a monitoring device for vibration monitoring of the filter cage of example 1 according to example 2 of the present invention.

In the accompanying drawings: 1. a bottom plate; 2. a treatment box; 3. a first filter chamber; 4. a recovery chamber; 5. a second filter chamber; 6. a blanking port; 7. a mounting base; 8. a filter cage; 9. a filter plate; 10. a precipitation box; 11. a first access door; 12. a recovery box; 13. a second access door; 14. a discharge port; 15. a third access door; 16. a feed pipe; 17. a closing mechanism; 171. a mounting frame; 172. a telescopic rod; 173. a closing plate; 18. a crushing mechanism; 181. a crushing box; 182. a discharge pipe; 183. a rotary joint; 184. a pulverizing roller; 185. a power mechanism; 1851. a first gear; 1852. a first motor; 19. a flushing assembly; 191. a first water pump; 192. a water outlet pipe; 193. a water spray pipe; 194. a flushing head; 195. a switching mechanism; 1951. a switching box; 1952. a first water inlet pipe; 1953. a second water inlet pipe; 1954. a third water inlet pipe; 1955. a blocking member; 1956. a cylinder; 196. a change-over switch; 1961. a switch frame; 1962. a pressure switch; 1963. a fixed cylinder; 1964. an extrusion rod; 1965. a floating plate; 1966. a limiting plate; 20. a water pumping assembly; 201. a second water pump; 202. a fourth water inlet pipe; 21. a driving mechanism; 211. a second motor; 212. a second gear; 213. and a third gear.

Detailed Description

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order that those skilled in the art will better understand the present disclosure, a technical solution in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure, shall fall within the scope of the present disclosure.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are, for example, capable of operation in connection with other embodiments. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Example 1

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Specific implementations of the invention are described in detail below in connection with specific embodiments.

As shown in fig. 1-4, the sludge treatment equipment and the method provided by the invention comprise a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a treatment tank 2, a first filter cavity 3, a recovery cavity 4 and a second filter cavity 5 are arranged in the treatment tank 2, the recovery cavity 4 is communicated with the first filter cavity 3, the second filter cavity 5 is communicated with the first filter cavity 3 through a blanking opening 6, two mounting seats 7 are fixedly connected in the first filter cavity 3, a filter cage 8 is rotatably connected between the two mounting seats 7, the cross section of the filter cage 8 is trapezoid, one end with larger diameter of the filter cage 8 extends into the recovery cavity 4, a filter plate 9 which is obliquely arranged is fixedly connected in the second filter cavity 5, a sedimentation box 10 is further arranged in the second filter cavity 5, the sedimentation box 10 is positioned below the filter plate 9, an opening for the sedimentation box 10 to move out is formed in the side surface of the treatment tank 2, a first access door 11 is hinged at the opening, a recovery box 12 is fixedly connected to the side surface of the treatment tank 2, a second access door 13 is arranged on the side surface of the recovery box 12, one end of the filter plate 12 is positioned at the lower end of the filter plate 9 and extends to the recovery box 2, a recovery opening 14 is further connected with the recovery box 4, and the recovery box is further hinged to the recovery box 2, and the recovery opening is connected to the recovery box is arranged at the side surface of the recovery box 2, and the recovery opening is further connected to the recovery opening 15, and the recovery box is connected to the recovery box 2, and the recovery box 2 and the recovery opening is connected to the discharge side.

The feeding pipe 16 is fixedly connected to one end of the filtering cage 8 with a smaller diameter;

the sealing mechanism 17 is arranged on the treatment box 2, the output end of the sealing mechanism 17 extends into the recovery cavity 4, and the sealing mechanism 17 is used for sealing one end of the filter cage 8 to prevent sludge and garbage in the filter cage 8 from falling into the recovery cavity 4;

the crushing mechanism 18 is arranged on the treatment box 2, the output end of the crushing mechanism 18 is connected with one end of the feeding pipe 16 extending out of the treatment box 2, the crushing mechanism 18 is used for crushing sludge, and the agglomerated sludge and a part of garbage are crushed, so that the sludge can be conveniently treated subsequently;

the flushing assembly 19 is arranged on the treatment box 2, the output end of the flushing assembly 19 extends into the first filter cavity 3, the flushing assembly 19 is used for flushing the sludge in the filter cage 8, diluting the sludge and enabling the sludge to pass through the filter cage 8 along with water flow, so that the garbage with larger volume in the sludge is left in the filter cage 8;

the water pumping assembly 20 is arranged on the recovery tank 12, the output end of the water pumping assembly 20 is communicated with the second filter cavity 5, and the water pumping assembly 20 is used for pumping out redundant water in the second filter cavity 5 so as to obtain precipitated sludge;

The driving mechanism 21, the driving mechanism 21 is installed on the treatment box 2, the output end of the driving mechanism 21 is connected with the feeding pipe 16, the driving mechanism 21 is used for driving the feeding pipe 16 to rotate and further driving the filtering cage 8 to rotate, so that sludge can be repeatedly rolled in the filtering cage 8 and can be scattered rapidly, water flow flushing is facilitated, and the treatment efficiency of the sludge is improved.

In the embodiment of the present invention, as shown in fig. 2, as a preferred embodiment of the present invention, the blanking port 6 is funnel-shaped so as to allow the sludge in the first filter chamber 3 to fall entirely into the second filter chamber 5.

In the embodiment of the present invention, as shown in fig. 1-2, as a preferred embodiment of the present invention, the sealing mechanism 17 includes a mounting bracket 171 fixedly connected to the top of the processing box 2, a telescopic rod 172 is fixedly connected to the mounting bracket 171, a sealing plate 173 is fixedly connected to a movable end of the telescopic rod 172, one end of the sealing plate 173 extending into the recovery cavity 4 contacts with one end of the filtering cage 8, and a sliding hole for the sealing plate 173 to move is formed in the processing box 2.

In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the crushing mechanism 18 includes a crushing box 181 fixedly connected to the top of the processing box 2, a discharging pipe 182 is connected to the bottom of the crushing box 181, one end of the discharging pipe 182 is connected to a rotary joint 183, one end of the rotary joint 183 is connected to the feeding pipe 16, two crushing rollers 184 are rotatably connected to the inside of the crushing box 181, the crushing mechanism 18 further includes a power mechanism 185, the power mechanism 185 is mounted on the crushing box 181, the output end of the power mechanism 185 is connected to both the two crushing rollers 184, and the power mechanism 185 is used for driving the two crushing rollers 184 to rotate synchronously and reversely.

In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the power mechanism 185 includes two first gears 1851 fixedly connected to one ends of two pulverizing rollers 184, respectively, the two first gears 1851 are engaged and connected, a first motor 1852 is fixedly installed at a side of the pulverizing box 181, and an output end of the first motor 1852 is fixedly connected to one end of one pulverizing roller 184.

In the embodiment of the present invention, as shown in fig. 1-4, as a preferred embodiment of the present invention, the flushing assembly 19 includes a first water pump 191 fixedly installed on the treatment tank 2, a water outlet pipe 192 is connected to a water outlet of the first water pump 191, a water spraying pipe 193 is connected to one end of the water outlet pipe 192 extending into the first filter cavity 3, a plurality of flushing heads 194 are connected to the water spraying pipe 193, and the water spraying pipe 193 is fixedly connected to the top of the first filter cavity 3.

In the embodiment of the present invention, as shown in fig. 2-4, as a preferred embodiment of the present invention, the flushing assembly 19 further includes a switching mechanism 195 and a switch 196, the switching mechanism 195 includes a switching box 1951 fixedly connected to the processing box 2, the switching box 1951 is communicated with a water inlet of the first water pump 1955 through a first water inlet pipe 1952, two opposite sides of the switching box 1951 are respectively communicated with a second water inlet pipe 1953 and a third water inlet pipe 1954, one end of the third water inlet pipe 1954 extends to the inside of the second filter cavity 5, the second water inlet pipe 1953 is connected with an external water source, a sealing member 1955 is slidingly connected to the inside of the switching box 1951, the sealing member 1955 is in an i shape, a side face of the switching box 1951 is fixedly connected with a cylinder 1956, a movable end of the cylinder 1956 extending to the inside of the switching box 1951 is fixedly connected with a side face of the sealing member 1955, two ends of the sealing member 1955 can respectively seal the second water inlet pipe 1953 and the third water inlet pipe 1954, when the sealing member 1955 seals the third water inlet pipe 1954, the first water pump 1953 can pump drain water through the second water inlet pipe 1953, and when water can drain water through the second water inlet pipe 1955 and the second water pump sealing member 191 can drain water through the second filter cavity when water circulating through the second water inlet pipe 1955.

The switch 196 is mounted in the second filter chamber 5, the switch 196 is electrically connected to the air cylinder 1956, and when water in the second filter chamber 5 approaches the filter plate 9, the switch 196 is used to switch on the power supply to the air cylinder 1956, thereby causing the air cylinder 1956 to move the blocking member 1955, causing the blocking member 1955 to block the second water inlet tube 1953, and causing the flushing assembly 19 to switch to the circulation flushing mode.

In the embodiment of the present invention, as shown in fig. 3, as a preferred embodiment of the present invention, the switch 196 includes a switch frame 1961 fixedly connected to a side wall of the second filter chamber 5, a pressure switch 1962 is disposed on a side surface inside the switch frame 1961, a fixed cylinder 1963 is fixedly connected to a side wall of the second filter chamber 5, a squeeze rod 1964 is slidingly connected to the inside of the fixed cylinder 1963, a floating plate 1965 is fixedly connected to a bottom of the squeeze rod 1964, a limit plate 1966 is fixedly connected to a side wall of the second filter chamber 5, when no water is in the second filter chamber 5, the limit plate 1966 contacts with a bottom of the floating plate 1965, and the bottom of the floating plate 1965 is not lower than a third water inlet tube 1954 and extends to one end of the second filter chamber 5, and one end of the squeeze rod 1964 close to the pressure switch 1962 is provided with a slope, so that the squeeze rod 1964 passes through the switch frame 1961.

When the water in the second filter cavity 5 rises, the floating plate 1965 rises along with the water surface, the floating plate 1965 drives the extrusion rod 1964 to rise, the extrusion rod 1964 passes through the switch frame 1961 and extrudes the pressure switch 1962, so that the power supply of the air cylinder 1956 is turned on, the air cylinder 1956 drives the sealing piece 1955 to move, the sealing piece 1955 seals the second water inlet pipe 1953, and the first water pump 191 pumps the water in the second filter cavity 5 through the third water inlet pipe 1954, so that the water in the second filter cavity 5 is recycled, and water resources are saved.

In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the pumping assembly 20 includes a second water pump 201 fixedly connected to the recovery tank 12, a water inlet of the second water pump 201 is connected to a fourth water inlet pipe 202, one end of the fourth water inlet pipe 202 extends into the second filter chamber 5, and one end of the fourth water inlet pipe 202 is not lower than the top of the precipitation box 10, so as to prevent the precipitation box 10 from being affected.

In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the driving mechanism 21 includes a second motor 211 fixedly installed on the processing box 2, the output end of the second motor 211 is fixedly connected with a second gear 212, the feeding pipe 16 is fixedly connected with a third gear 213, and the second gear 212 and the third gear 213 are in meshed connection.

In use, the sludge is poured into the crushing box 181, the first motor 1852 is started, the first motor 1852 drives one crushing roller 184 to rotate, the crushing roller 184 drives one first gear 1851 to rotate, the first gear 1851 drives the other first gear 1851 to rotate, the other first gear 1851 drives the other crushing roller 184 to reversely rotate, so that the two crushing rollers 184 crush the sludge, the agglomerated sludge and the garbage with larger volume are crushed into small blocks, under the action of gravity, the crushed sludge and the garbage enter the filter cage 8 along the discharging pipe 182 and the feeding pipe 16, the second motor 211 drives the second gear 212 to rotate, the second gear 212 drives the third gear 213 to rotate, the third gear 213 drives the feeding pipe 16 to rotate, the feeding pipe 16 drives the filter cage 8 to rotate, the sludge and the garbage roll in the filter cage 8, meanwhile, the first water pump 191 pumps outside water through the second water inlet pipe 1953, water is sprayed from a flushing head 194 through a water outlet pipe 192 and a water spraying pipe 193, the water is sprayed into the filter cage 8 to dilute the sludge, the diluted sludge passes through the filter cage 8 and falls onto the filter plate 9, the waste with larger volume is remained in the filter cage 8 and is converged at the lower end of the filter cage 8 along with the rotation of the filter cage 8, the sludge water falling onto the filter plate 9 falls into the sedimentation box 10 through the filter plate 9, impurities therein can remain on the filter plate 9, under the flushing of the subsequent sludge water, the impurities can enter the recovery box 12 through the discharge hole 14, along with the continuous rising of the water surface in the sedimentation box 10, the floating plate 1965 rises along with the rising of the water surface, the floating plate 1965 drives the extrusion rod 1964 to rise, the extrusion rod 1964 extrudes the pressure switch 1962, thereby the power supply of the cylinder 1956 is turned on, the cylinder 1956 drives the sealing member 1955 to move, the sealing member 1955 seals the second water inlet pipe 1953, the first water pump 191 draws the sludge water in the second filter cavity 5 through the third water inlet pipe 1954, the sludge water is sprayed into the filter cage 8 through the water outlet pipe 192 and the water spraying pipe 193 again, and finally falls into the second filter cavity 5 to form circulation, at the moment, the water quantity is far more than the total quantity of the sludge, so that the sludge in the sludge water is relatively rare, the sludge water can be recycled, the external water is not required to be used, and the water resource is saved; after the sludge in the filter cage 8 is washed, the power supply of the first water pump 191 is cut off, the sludge water is precipitated in the second filter cavity 5, so that the sludge falls into the precipitation box 10 completely, clean water can be arranged on the upper part of the precipitation box 10, the telescopic rod 172 drives the sealing plate 173 to ascend, the sealing plate 173 opens one end of the filter cage 8, garbage in the filter cage 8 can fall into the recovery cavity 4, the power supply of the second water pump 201 is switched on again, the second water pump 201 pumps out redundant water in the second filter cavity 5, then the first access door 11 is opened, the precipitation box 10 can be taken out, the sludge is recovered conveniently, the follow-up treatment of the sludge is also facilitated, then the second access door 13 and the third access door 15 can be opened, impurities in the recovery box 12 and garbage in the recovery cavity 4 are recovered, the device carries out secondary filtration and separation on the garbage in the sludge, purer sludge can be obtained, and the follow-up treatment of the sludge is facilitated.

Thus, according to another aspect of the present embodiment, there is provided a method of treating sludge using the above-described sludge treatment apparatus, wherein fig. 5 shows a flow schematic of the method, and with reference to fig. 5, the method comprises:

s502: pouring the sludge into a crushing mechanism, crushing the sludge by the crushing mechanism, and conveying the crushed sludge into a filtering cage through a feeding pipe;

s504: the first water pump pumps external water through the second water inlet pipe, water flows are sprayed into the filtering cage through the water outlet pipe, the water spraying pipe and the flushing head, the water flows dilute sludge, the diluted sludge water falls onto the filtering plate through the filtering cage, the filtering plate performs secondary filtering on the sludge water, and the sludge water falls into the precipitation box through the filtering plate;

s506: the driving mechanism drives the feeding pipe and the filtering cage to rotate, and the filtering cage continuously rolls over the sludge in the filtering cage;

s508: when the water surface in the second filter cavity is higher than one end of the third water inlet pipe, the extruding rod extrudes the pressure switch, the power supply of the air cylinder is connected, the air cylinder drives the plugging piece to move, the second water inlet pipe is plugged by the plugging piece, the third water inlet pipe is opened, and the first water pump extracts sludge water in the second filter cavity through the third water inlet pipe, so that water circulation is formed;

S510: when the sludge in the filter cage is washed out, the power supply of the first water pump and the driving mechanism is turned off, the closing mechanism is operated to open one end of the filter cage, and the solid garbage in the filter cage falls into the recovery cavity;

s512: opening a third access door to recycle the garbage in the recycling cavity;

s514: opening a second access door to recover impurities in the recovery box;

s516: precipitating the sludge water in the second filter cavity, enabling the precipitate to fall into a precipitation box, and then pumping out redundant water in the second filter cavity by using a pumping assembly; and

s518: and opening the first access door, taking out the sedimentation box, and recycling the sludge in the sedimentation box.

Example 2

Referring to FIG. 6, in accordance with another embodiment of the present invention, there is provided a method forThe vibration monitoring device of the filter cage 8 shown in fig. 2. Specifically, although not shown in fig. 2, referring to fig. 6, a plurality of vibration sensors P disposed in the axial direction of the filter cage 8 may also be disposed in the first filter chamber 3 ₀ ~P _n . Wherein the vibration sensor P ₀ ~P _n May be a non-contact vibration sensor. Furthermore, it is contemplated that a flushing assembly 19 is provided above the filter cage 8, thus vibrating the sensor P ₀ ~P _n May be disposed laterally of the filter cage 8. And, the vibration sensor P ₀ ~P _n Is arranged in the axial direction of the filter cage 8, so that vibration conditions of a plurality of positions of the filter cage 8 in the axial direction can be monitored simultaneously.

In particular, since the cross section of the filter cage 8 is arranged in a trapezoid in the axial direction, the vibration conditions at different positions in the axial direction are different. Further, since the filter cage 8 is driven by the driving mechanism 21, its vibration mainly originates from the driving mechanism 21, sludge entering the filter cage 8, and the rotational connection between the filter cage 8 and the mount 7. There is also a certain correlation in the vibration situation between the different positions.

Thus, according to this embodiment 2, the processor 30 can monitor the filter cage 8 by performing the following operations.

And (one) sampling and extracting features under normal working conditions, so as to construct sample data.

First, each vibration sensor P is collected ₀ ~P _n Vibration signal data for a plurality of cycles (e.g., m cycles) under normal operating conditions of the filter cage 8.

For example, in cycle 1, the processor 30 respectively receives from the vibration sensor P ₀ ~P _n Acquiring corresponding vibration signal data s _1,0 ~s _1,n . The processor 30 then generates vibration signal data s _1,0 ~s _1,n Frequency analysis is carried out to extract data s of vibration signals respectively _1,0 ~s _1,n Corresponding frequency characteristic f _1,0 ~f _1,n 。

Specifically f _1,0 =[a _1,0,1 , a _1,0,2 , ..., a _1,0,L ] ^T . Wherein a is _1,0,1 Is a vibration sensor P ₀ Measured signal s _1,0 And the 1 st designated frequency band B ₁ The amplitude of the corresponding vibration component; a, a _1,0,2 For signal s _1,0 And the 2 nd designated frequency band B ₂ The amplitude of the corresponding vibration component; similarly, a _1,0,k For signal s _1,0 And the k appointed frequency band B _k The amplitude of the corresponding vibration component; a) _1,0,L For signal s _1,0 And the L-th appointed frequency band B _L The amplitude of the corresponding vibration component.

In addition, f _1,1 =[a _1,1,1 , a _1,1,2 , ..., a _1,1,L ] ^T . Wherein a is _1,1,k (k=1 to l) is the vibration sensor P ₁ Measured signal s _1,1 And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

And so on, f _1,j =[a _1,j,1 , a _1,j,2 , ..., a _1,j,L ] ^T (j= 0~n). Wherein a is _1,j,k (k=1 to l) is the vibration sensor P _j Measured signal s _1,j And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

Up to f _1,n =[a _1,n,1 , a _1,n,2 , ..., a _1,n,L ] ^T . Wherein a is _1,n,k (k=1 to l) is the vibration sensor P _n Measured signal s _1,n And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

And so on, at the i-th period (i= 1~m), the processor 30 respectively outputs from the vibration sensors P ₀ ~P _n Acquiring corresponding vibration signal data s _i,0 ~s _i,n . The processor 30 then generates vibration signal data s _i,0 ~s _i,n Frequency analysis is carried out to extract data s of vibration signals respectively _i,0 ~s _i,n Corresponding frequency characteristic f _i,0 ~f _i,n 。

Specifically f _i,0 =[a _i,0,1 , a _i,0,2 , ..., a _i,0,L ] ^T . Wherein a is _i,0,1 Is a vibration sensor P ₀ Measured signal s _i,0 And the 1 st designated frequency band B ₁ The amplitude of the corresponding vibration component; a, a _i,0,2 For signal s _i,0 And the 2 nd designated frequency band B ₂ The amplitude of the corresponding vibration component; similarly, a _i,0,k For signal s _i,0 And the k appointed frequency band B _k The amplitude of the corresponding vibration component; a) _i,0,L For signal s _i,0 And the L-th appointed frequency band B _L The amplitude of the corresponding vibration component.

And so on, f _i,j =[a _i,j,1 , a _i,j,2 , ..., a _i,j,L ] ^T (j= 0~n). Wherein a is _i,j,k (k=1 to l) is the vibration sensor P _j Measured signal s _i,j And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

Up to f _i,n =[a _i,n,1 , a _i,n,2 , ..., a _i,n,L ] ^T . Wherein a is _i,n,k (k=1 to l) is the vibration sensor P _n Measured signal s _i,n And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

Up to the mth cycle, the processor 30 respectively outputs from the vibration sensor P ₀ ~P _n Acquiring corresponding vibration signal data s _m,0 ~s _m,n . The processor 30 then generates vibration signal data s _m,0 ~s _m,n Frequency analysis is carried out to extract data s of vibration signals respectively _m,0 ~s _m,n Corresponding frequency characteristic f _m,0 ~f _m,n 。

Specifically f _m,0 =[a _m,0,1 , a _m,0,2 , ..., a _m,0,L ] ^T . Wherein a is _m,0,1 Is a vibration sensor P ₀ Measured signal s _m,0 And the 1 st designated frequency band B ₁ The amplitude of the corresponding vibration component; a, a _m,0,2 For signal s _m,0 And the 2 nd designated frequency band B ₂ The amplitude of the corresponding vibration component; similarly, a _m,0,k For signal s _m,0 And the k appointed frequency band B _k The amplitude of the corresponding vibration component; a) _m,0,L For signal s _m,0 And the L-th appointed frequency bandB _L The amplitude of the corresponding vibration component.

And so on, f _m,j =[a _m,j,1 , a _m,j,2 , ..., a _m,j,L ] ^T (j= 0~n). Wherein a is _m,j,k (k=1 to l) is the vibration sensor P _j Measured signal s _m,j And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

Up to f _m,n =[a _m,n,1 , a _m,n,2 , ..., a _m,n,L ] ^T . Wherein a is _m,n,k (k=1 to l) is the vibration sensor P _n Measured signal s _m,n And the kth appointed frequency band B _k The amplitude of the corresponding vibration component.

Thus, in the period 1~m described above, for the vibration sensor P ₀ The corresponding positions obtain the following frequency characteristics:

TABLE 1

In the period 1~m described above, for the vibration sensor P ₁ The corresponding positions obtain the following frequency characteristics:

TABLE 2

Similarly, in the period 1~m described above, for the vibration sensor P _j (j= 0~n), the following frequency characteristics are obtained:

TABLE 3 Table 3

Thus, each vibration sensor P is set for each period 1~m ₁ ~P _n The frequency characteristics of the signal are measured as sample data.

And (II) constructing and training a frequency estimation model for estimating frequency characteristics at other second vibration sensor positions from the frequency characteristics at the first vibration sensor position.

Specifically, a vibration sensor P is established ₀ Estimating other vibration sensors P from frequency characteristics at (i.e. first vibration sensor) location ₁ ~P _n A frequency estimation model of the frequency characteristic at the (i.e. second vibration sensor) location.

For example, for vibration sensor P ₁ A frequency estimation model E can be constructed ₁ For sensing according to vibration sensor P ₀ Frequency characteristic information x of measured vibration signal ₀ The filter cage 8 is estimated to be in the vibration sensor P ₁ Frequency characterization of vibration signal at location。

Specifically, the frequency estimation model E ₁ Including the sub-models shown below:

wherein E is _1,1 For sensing P according to vibration ₀ Measured signal and the 1 st specified frequency band B ₁ Amplitude x of corresponding vibration component _0,1 The filter cage 8 is estimated to be in the vibration sensor P ₁ Is located at the position of (2) and the designated frequency band B ₁ Estimation of the amplitude of the corresponding vibration component. Wherein k is _1,1 And b _1,1 Is the parameter to be determined.

E _1,2 For sensing P according to vibration ₀ Measured signal and the 2 nd designated frequency band B ₂ Amplitude x of corresponding vibration component _0,2 The filter cage 8 is estimated to be in the vibration sensor P ₁ Is located at the position of (2) and the designated frequency band B ₂ Estimation of the amplitude of the corresponding vibration component. Wherein k is _1,2 And b _1,2 Is the parameter to be determined.

Similarly, E _1,L For sensing P according to vibration ₀ Measured signal and L-th designated frequency band B _L Amplitude x of corresponding vibration component _0,L The filter cage 8 is estimated to be in the vibration sensor P ₁ Is located at the position of (2) and the designated frequency band B _L Estimation of the amplitude of the corresponding vibration component. Wherein k is _1,L And b _1,L Is the parameter to be determined.

Then, according to a in Table 1 _1,0,1 ~a _m,0,1 A in Table 2 _1,1,1 ~a _m,1,1 Determining k _1,1 And b _1,1 The method comprises the steps of carrying out a first treatment on the surface of the According to a in Table 1 _1,0,2 ~a _m,0,2 A in Table 2 _1,1,2 ~a _m,1,2 Determining k _1,2 And b _1,2 。

Similarly, the frequency estimation model E can be determined from the frequency characteristics in tables 1 and 2 ₁ Is defined by each sub-model E of (2) _1,1 ~E _1,L Is a parameter of (a).

In the same way, it is possible to target the vibration sensor P ₂ Constructing a frequency estimation model E ₂ For sensing according to vibration sensor P ₀ Frequency characteristic information x of measured vibration signal ₀ The filter cage 8 is estimated to be in the vibration sensor P ₂ Frequency characterization of vibration signal at location。

Specifically, the frequency estimation model E ₂ Including the sub-models shown below:

wherein E is _2,1 For sensing P according to vibration ₀ Measured signal and the 1 st specified frequency band B ₁ Amplitude x of corresponding vibration component _0,1 The filter cage 8 is estimated to vibrateSensor P ₂ Is located at the position of (2) and the designated frequency band B ₁ Estimation of the amplitude of the corresponding vibration component. Wherein k is _2,1 And b _2,1 Is the parameter to be determined.

Wherein E is _2,2 For sensing P according to vibration ₀ Measured signal and the 2 nd designated frequency band B ₂ Amplitude x of corresponding vibration component _0,2 The filter cage 8 is estimated to be in the vibration sensor P ₂ Is located at the position of (2) and the designated frequency band B ₂ Estimation of the amplitude of the corresponding vibration component. Wherein k is _2,2 And b _2,2 Is the parameter to be determined.

Similarly, E _2,L For sensing P according to vibration ₀ Measured signal and L-th designated frequency band B _L Amplitude x of corresponding vibration component _0,L The filter cage 8 is estimated to be in the vibration sensor P ₂ Is located at the position of (2) and the designated frequency band B _L Estimation of the amplitude of the corresponding vibration component. Wherein k is _2,L And b _2,L Is the parameter to be determined.

Then, according to a _1,0,1 ~a _m,0,1 A) _1,2,1 ~a _m,2,1 Determining k _2,1 And b _2,1 The method comprises the steps of carrying out a first treatment on the surface of the According to a _1,0,2 ~a _m,0,2 A) _1,2,2 ~a _m,2,2 Determining k _2,2 And b _2,2 。

Similarly, a frequency estimation model E can be determined ₂ Is defined by each sub-model E of (2) _2,1 ~E _2,L Is a parameter of (a).

Then in the same way, the frequency estimation model E is completed ₃ ~E _n Can be constructed and trained based on the vibration sensor P ₀ Frequency characteristic information x of measured vibration signal ₀ Estimating the transmission of the filter cage 8 in each of the remaining vibrationsSensor P _1~ P _n Frequency characterization of vibration signal at location。

(III) use of vibration sensor P ₀ ~P _n And measuring vibration signals of the filter cage 8 in real time, and extracting frequency characteristics of the vibration signals measured in real time.

Specifically, after completing the frequency estimation model E ₁ ~E _m After construction and training of the filter cage 8, the processor 30 may monitor the vibration of the filter cage 8 in real time. Wherein the processor 30 receives the vibration sensor P in real time ₀ ~P _n And (5) collecting vibration signals. For example, during the monitoring period T, the processor 30 collects the vibration sensor P ₀ Detected vibration signal S ₀ Collecting vibration sensor P ₁ Detected vibration signal S ₁ ,...the vibration sensor P is collected _n Detected vibration signal S _n 。

Then, the processor 30 is directed to the vibration signal S ₀ ~S _n Determining the frequency characteristics, i.e. the vibration signal S, respectively ₀ ~S _n B in the 1 st to L th designated frequency band ₁ ~B _L Is a function of the magnitude of (a).

Specifically, the vibration signal S ₀ Frequency characteristic y of (2) ₀ =[y _0,1 , y _0,2 , ..., y _0,L ] ^T . Wherein y is _0,1 For vibration signal S ₀ And the 1 st designated frequency band B ₁ The amplitude of the corresponding vibration component; y is _0,2 For vibration signal S ₀ And the 2 nd designated frequency band B ₂ The amplitude of the corresponding vibration component; ..; y is _0,k For vibration signal S ₀ And the k appointed frequency band B _k The amplitude of the corresponding vibration component; y _0,L For vibration signal S ₀ And the L-th appointed frequency band B _L The amplitude of the corresponding vibration component.

Accordingly, the vibration signal S ₁ Frequency characteristic y of (2) ₁ =[y _1,1 , y _1,2 , ..., y _1,L ] ^T ；

Vibration signal S ₂ Frequency characteristic y of (2) ₂ =[y _2,1 , y _2,2 , ..., y _2,L ] ^T ；

Vibration signal S ₃ Frequency characteristic y of (2) ₃ =[y _3,1 , y _3,2 , ..., y _3,L ] ^T The method comprises the steps of carrying out a first treatment on the surface of the And

......

vibration signal S _n Frequency characteristic y of (2) _n =[y _n,1 , y _n,2 , ..., y _n,L ] ^T

In this way, the vibration signal S acquired for each vibration sensor during the monitoring period T can be used ₀ ~S _n And extracting frequency characteristics.

(IV) according to vibration sensor P ₀ Is a vibration signal S of (1) ₀ Frequency characteristic y of (2) ₀ The frequency characteristics of the vibration signals at the respective vibration sensor positions of the filter cage 8 are estimated using a frequency estimation model.

Specifically, first, the processor 30 generates a vibration signal S ₀ Frequency characteristic y of (2) ₀ =[y _0,1 , y _0,2 , ..., y _0,L ] ^T . And utilizes the frequency estimation model E ₁ ~E _n For the filter cage 8 and the vibration sensor P ₁ ~P _n Estimating the frequency characteristic at the corresponding position to obtain a corresponding frequency characteristic estimated value。

For example, processor 30 utilizes frequency estimation model E ₁ And according to the vibration signal S ₀ Frequency characteristic y of (2) ₀ =[y _0,1 , y _0,2 , ..., y _0,L ] ^T Determining and vibrating sensor P ₁ Frequency characteristic estimation values of vibration signals at corresponding positions:

wherein the method comprises the steps ofFor filtering the cage 8 and the vibration sensor P ₁ Vibration signal at corresponding position and frequency band B ₁ An estimated value of the amplitude of the corresponding vibration component; />For filtering the cage 8 and the vibration sensor P ₁ Vibration signal at corresponding position and frequency band B ₂ An estimated value of the amplitude of the corresponding vibration component; ..; similarly, the case of->For filtering the cage 8 and the vibration sensor P ₁ Vibration signal at corresponding position and frequency band B _L An estimate of the amplitude of the corresponding vibration component.

Similarly, processor 30 utilizes frequency estimation model E ₂ And according to the vibration signal S ₀ Frequency characteristic y of (2) ₀ =[y _0,1 , y _0,2 , ..., y _0,L ] ^T Determining and vibrating sensor P ₂ Frequency characteristic estimation values of vibration signals at corresponding positions:；

processor 30 utilizes frequency estimation model E ₃ And according to the vibration signal S ₀ Frequency characteristic y of (2) ₀ =[y _0,1 , y _0,2 , ..., y _0,L ] ^T Determining and vibrating sensor P ₃ Frequency characteristic estimation values of vibration signals at corresponding positions:；

.....

and, processor 30 utilizes frequency estimation model E _n And according to the vibration signal S ₀ Frequency characteristic y of (2) ₀ =[y _0,1 , y _0,2 , ..., y _0,L ] ^T Determining and vibrating sensor P _n Frequency characteristic estimation values of vibration signals at corresponding positions:。

thus, by the above manner, the filter cage 8 and the vibration sensor P can be aligned ₁ ~P _n The frequency characteristics of the vibration signal at the corresponding position are estimated.

(fifth) determining the vibration sensor P ₁ ~P _n Corresponding frequency characteristic estimated valueAnd frequency characteristic y ₁ ~y _n Frequency characteristic errors between them.

Specifically, for the vibration sensor P ₁ ~P _n The processor 30 calculates an error value between its corresponding frequency signature and the frequency signature estimate. The error value may be embodied, for example, in a mean square error.

For example, for the vibration sensor 1, the error between the frequency characteristic and the frequency characteristic estimated value is calculated according to the following formula:

for the vibration sensor 2, the error between the frequency characteristic and the frequency characteristic estimation value is calculated according to the following formula:

...

and so on, for vibration sensor n, the error between the frequency signature and the frequency signature estimate is calculated according to the following formula:

thus, in the above manner, the vibration sensor P can be aimed at ₁ ~P _n Determining the error between the frequency characteristic of the vibration signal actually detected and the frequency characteristic estimated value of the vibration signal at the corresponding position. So that the error can be used to evaluate the consistency of the vibrations of the filter cage 8.

(sixth) according to vibration sensor P ₁ ~P _n Corresponding frequency characteristic estimated valueAnd frequency characteristic y ₁ ~y _n Frequency characteristic error r between ₁ ~r _n The consistency of the vibration of the filter cage 8 was evaluated.

Specifically, the processor 300 evaluates the consistency of vibration of the filter cage 8 according to the following formula:

wherein z is an evaluation value of vibration uniformity of the filter cage 8, c ₀ ~c _n Is a linear coefficient.

So that when z is greater than a predetermined threshold, for example 0.5, it is determined that the vibrations at the various positions of the filter cage 8 are uniform. Otherwise, it is determined that the vibration at each position of the filter cage 8 is inconsistent.

Thus, according to the present embodiment, consistency of vibration at various positions of the filter cage 8 can be evaluated. When the vibration uniformity evaluation value z is greater than a predetermined threshold value, it is indicated that the vibrations at the various positions of the filter cage 8 are uniformly coordinated, thereby indicating that the filter cage 8 is functioning properly. Otherwise, it is indicated that the vibrations at the various positions of the filter cage 8 are not consistently coordinated, in which case it is indicated that the filter cage 8 is not functioning properly and that personnel are required to be reminded to service the filter cage 8. Therefore, according to the embodiment, the vibration consistency of the filter cage 8 can be evaluated in real time, so that hidden danger and faults existing in the operation of the filter cage 8 can be detected more timely and accurately, and the safety of the whole sludge treatment equipment can be improved.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present disclosure, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present disclosure and to simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be configured and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present disclosure; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a sludge treatment equipment, includes the bottom plate, its characterized in that, the top fixedly connected with of bottom plate handles the case, the inside of handling the case is provided with first filter chamber, retrieves chamber and second filter chamber, retrieve chamber and first filter chamber intercommunication, the second filter chamber pass through the blanking mouth with first filter chamber intercommunication, the inside fixedly connected with of first filter chamber two mount pads, two rotate between the mount pad and be connected with the filter cage, the cross-section of filter cage is trapezoidal, the great one end of filter cage diameter extends to retrieve the intracavity, second filter chamber fixedly connected with slope sets up the filter, still be provided with the precipitation box in the second filter chamber, the precipitation box is located the below of filter, the side of handling the case is seted up and is supplied the opening that the precipitation box shifted out, the articulated first access door that has of handling the case, the side of recovery case is provided with the second access door, the filter case is located one side of low side the filter, the recovery case is equipped with the recovery case and is equipped with the recovery mouth, the recovery case is equipped with the recovery case and the side of recovery case, the recovery case is connected with the recovery opening, the recovery case is connected with the recovery case, and the recovery case is opened to the side through the recovery case:

The feeding pipe is fixedly connected to one end of the filtering cage with the smaller diameter;

the sealing mechanism is arranged on the treatment box, the output end of the sealing mechanism extends into the recovery cavity, the sealing mechanism is used for sealing one end of the filtering cage, the sealing mechanism comprises a mounting frame fixedly connected to the top of the treatment box, a telescopic rod is fixedly connected to the mounting frame, the movable end of the telescopic rod is fixedly connected with a sealing plate, and one end of the sealing plate extending into the recovery cavity is contacted with one end of the filtering cage;

the crushing mechanism is arranged on the treatment box, the output end of the crushing mechanism is connected with one end of the feeding pipe extending out of the treatment box, and the crushing mechanism is used for crushing sludge;

the flushing assembly is arranged on the treatment box, the output end of the flushing assembly extends into the first filter cavity, the flushing assembly is used for flushing sludge in the filter cage, the flushing assembly comprises a first water pump fixedly arranged on the treatment box, the water outlet of the first water pump is communicated with a water outlet pipe, one end of the water outlet pipe extending into the first filter cavity is communicated with a water spray pipe, a plurality of flushing heads are communicated with the water spray pipe, the water spray pipe is fixedly connected to the top of the first filter cavity, the flushing assembly further comprises a switching mechanism and a switching switch, the switching mechanism comprises a switching box fixedly connected to the treatment box, the switching box is communicated with the water inlet of the first water pump through a first water inlet pipe, two opposite sides of the switching box are respectively communicated with a second water inlet pipe and a third water inlet pipe, one end of the third water inlet pipe extends into the second filter cavity, a sealing piece is slidingly connected to the inside of the switching box, the side of the switching box is fixedly connected with a plurality of flushing heads, and the switching box can be fixedly connected to the two ends of the first water inlet pipe and the sealing piece; the change-over switch is arranged in the second filter cavity, the change-over switch is electrically connected with the air cylinder, when water in the second filter cavity is close to the filter plate, the change-over switch is used for switching on a power supply of the air cylinder, the change-over switch comprises a switch frame fixedly connected to the side wall of the second filter cavity, a pressure switch is arranged on the side surface inside the switch frame, a fixed cylinder is fixedly connected to the side wall of the second filter cavity, an extrusion rod is slidably connected to the inside of the fixed cylinder, a floating plate is fixedly connected to the bottom of the extrusion rod, a limiting plate is fixedly connected to the side wall of the second filter cavity, when water does not exist in the second filter cavity, the limiting plate is in contact with the bottom of the floating plate, the bottom of the floating plate is not lower than one end of the third water inlet pipe extending to the second filter cavity, and an inclined plane is formed at one end of the extrusion rod, which is close to the pressure switch;

The water pumping assembly is arranged on the recovery tank, the output end of the water pumping assembly is communicated with the second filter cavity, and the water pumping assembly is used for pumping out redundant water in the second filter cavity; and

the driving mechanism is arranged on the treatment box, the output end of the driving mechanism is connected with the feeding pipe, and the driving mechanism is used for driving the feeding pipe to rotate, wherein

The first filter chamber is further provided with a plurality of vibration sensors disposed axially of the filter cage, the plurality of vibration sensors being in communication with a processor, and the processor being configured to:

receiving vibration signal data detected by the plurality of vibration sensors from the plurality of vibration sensors, wherein the plurality of vibration sensors includes a first vibration sensor and a second vibration sensor different from the first vibration sensor;

constructing a frequency estimation model;

measuring vibration signal data of the filter cage in real time by utilizing the plurality of vibration sensors, and extracting frequency characteristics of the vibration signal data;

estimating second frequency characteristics of the filter cage at the second vibration sensor position according to the first frequency characteristics of the first vibration sensor by utilizing the frequency estimation model, so as to determine frequency characteristic estimated values corresponding to the second vibration sensors;

Determining a frequency characteristic error between the frequency characteristic estimate and the second frequency characteristic; and

and evaluating the vibration consistency of the filter cage according to the frequency characteristic error, wherein the calculation formula for evaluating the consistency of the filter cage is as follows:

；

wherein z represents the vibration consistency evaluation value of the filter cage, g is a linear regression function, c ₀ Representing the linear coefficient, c _j Representing the linear coefficient corresponding to the jth filter cage, c _j Representing the frequency characteristic error between the frequency characteristic corresponding to the jth filter cage and the frequency estimate.

2. The sludge treatment equipment of claim 1, wherein the crushing mechanism comprises a crushing box fixedly connected to the top of the treatment box, a discharging pipe is communicated to the bottom of the crushing box, one end of the discharging pipe is connected with a rotary joint, one end of the rotary joint is communicated with the feeding pipe, two crushing rollers are rotatably connected to the inside of the crushing box, the crushing mechanism further comprises a power mechanism, the power mechanism is installed on the crushing box, the output end of the power mechanism is connected with the two crushing rollers, and the power mechanism is used for driving the two crushing rollers to rotate synchronously and reversely, wherein

The power mechanism comprises two first gears which are respectively and fixedly connected with one ends of the two crushing rollers, the two first gears are in meshed connection, a first motor is fixedly arranged on the side face of the crushing box, and the output end of the first motor is fixedly connected with one end of one crushing roller.

3. The sludge treatment equipment of claim 1, wherein the water pumping assembly comprises a second water pump fixedly connected to the recovery tank, a water inlet of the second water pump is communicated with a fourth water inlet pipe, one end of the fourth water inlet pipe extends to the inside of the second filter cavity, and one end of the fourth water inlet pipe is not lower than the top of the sedimentation box.

4. The sludge treatment equipment according to claim 1, wherein the driving mechanism comprises a second motor fixedly mounted on the treatment tank, the output end of the second motor is fixedly connected with a second gear, the feeding pipe is fixedly connected with a third gear, and the second gear is in meshed connection with the third gear.

5. A method of treating sludge using the sludge treatment apparatus of claim 1, comprising the steps of:

Pouring the sludge into a crushing mechanism, crushing the sludge by the crushing mechanism, and conveying the crushed sludge into a filtering cage through a feeding pipe;

the first water pump pumps external water through the second water inlet pipe, water flows are sprayed into the filtering cage through the water outlet pipe, the water spraying pipe and the flushing head, the water flows dilute sludge, the diluted sludge water falls onto the filtering plate through the filtering cage, the filtering plate performs secondary filtering on the sludge water, and the sludge water falls into the precipitation box through the filtering plate;

the driving mechanism drives the feeding pipe and the filtering cage to rotate, and the filtering cage continuously rolls over the sludge in the filtering cage;

when the water level in the second filter cavity is higher than one end of the third water inlet pipe, the extruding rod extrudes the pressure switch, the power supply of the air cylinder is connected, the air cylinder drives the plugging piece to move, the plugging piece plugs the second water inlet pipe, the third water inlet pipe is opened, and the first water pump pumps the sludge water in the second filter cavity through the third water inlet pipe, so that water circulation is formed;

when the sludge in the filter cage is washed out, the power supply of the first water pump and the driving mechanism is turned off, the closing mechanism is operated to open one end of the filter cage, and the solid garbage in the filter cage falls into the recovery cavity;

Opening a third access door to recover the garbage in the recovery cavity;

opening a second access door to recover impurities in the recovery box;

precipitating the sludge water in the second filter cavity, enabling the precipitate to fall into the precipitation box, and then pumping out redundant water in the second filter cavity by using a pumping assembly; and

and opening a first access door, taking out the sedimentation box, and recycling sludge in the sedimentation box.