CN216472785U - A multistation auto-change over device for sludge dewatering - Google Patents
A multistation auto-change over device for sludge dewatering Download PDFInfo
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- CN216472785U CN216472785U CN202121942819.1U CN202121942819U CN216472785U CN 216472785 U CN216472785 U CN 216472785U CN 202121942819 U CN202121942819 U CN 202121942819U CN 216472785 U CN216472785 U CN 216472785U
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Abstract
The utility model belongs to the technical field of sludge dewatering treatment, and discloses a multi-station switching device for sludge dewatering, which is provided with a feeding station, a filter pressing station and a discharging station, and comprises: the filter pressing device comprises a cylinder, a plurality of pressing cylinders and a plurality of fixing devices, wherein the cylinder is vertically arranged, one end of the cylinder, which is relatively close to the ground, is provided with a chassis, the periphery of the chassis is provided with a plurality of tooth sockets, and a plurality of filter pressing cylinders for containing filter cloth and sludge are uniformly distributed in the cylinder along the axial direction of the cylinder; the driving structure comprises a driving assembly and a gear, the gear is meshed with the tooth grooves, and the driving assembly is configured to drive the gear and the chassis to rotate so as to drive each filter pressing cylinder to switch among the feeding station, the filter pressing station and the discharging station; the supporting structure comprises a plurality of supporting seats, wherein the supporting seats are provided with rollers, and the rollers support the chassis and can rotate along with the chassis. Can realize going on in succession of sludge dewatering process, improve dehydration efficiency, and the setting of gear and running roller for the rotation on chassis is more stable, inertia effect when can eliminating the chassis rotation.
Description
Technical Field
The utility model belongs to the technical field of sludge dewatering treatment, and particularly relates to a multi-station switching device for sludge dewatering.
Background
Sludge reduction is the key to the subsequent treatment of sludge and the key point of sludge treatment. Among them, reducing the water content of sludge is a main way of sludge reduction. The conventional sludge dewatering method mainly comprises the following steps: concentration dehydration, mechanical filter pressing dehydration, centrifugal dehydration, sludge drying dehydration and the like. Among them, mechanical filter-pressing dehydration is one of the most common methods with low cost and easy operation. After the mechanical filter pressing treatment, the water content of the sludge can be reduced to 60-80%.
The traditional belt filter press depends on pressure to act on an upper filter belt and a lower filter belt, so that sludge between the upper filter belt and the lower filter belt is continuously dewatered, but continuous dewatering is difficult to realize in a mode of vertically extruding and folding filter cloth and sludge, and the dewatering efficiency is low.
Therefore, a multi-station switching device for sludge dewatering is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a multi-station switching device for sludge dewatering, which realizes continuous dewatering and improves dewatering efficiency for a mode of vertically extruding and folding filter cloth and sludge.
For realizing above-mentioned purpose, the application provides a multistation auto-change over device for sludge dewatering, has feeding station, filter-pressing station and ejection of compact station, and multistation auto-change over device includes:
the filter pressing device comprises a cylinder, a base plate and a plurality of tooth sockets, wherein the cylinder is vertically arranged, one end of the cylinder, which is relatively close to the ground, is provided with the base plate, the periphery of the base plate is provided with the tooth sockets, and a plurality of filter pressing cylinders for containing filter cloth and sludge are uniformly distributed in the cylinder along the axial direction of the cylinder;
the driving structure comprises a driving assembly and a gear, the gear is meshed with the tooth grooves, and the driving assembly is configured to drive the gear and the chassis to rotate so as to drive each filter pressing cylinder to switch among the feeding station, the filter pressing station and the discharging station;
the supporting structure comprises a plurality of supporting seats, wherein the supporting seats are provided with rollers, and the rollers support the chassis and can rotate along with the chassis.
As a preferred technical scheme of the multi-station switching device for sludge dewatering, the detector is arranged outside the cylinder;
a detection base provided on an outer periphery of the cylinder corresponding to each of the filter cylinders, the detector being configured to control the drive assembly to stop driving the gear when the detection base is detected.
As a preferred technical scheme of the multi-station switching device for sludge dewatering, the detector is a photoelectric sensor, and the detection base body is a protrusion convexly arranged on the cylinder.
As an optimal technical scheme of the multi-station switching device for sludge dewatering, one end, far away from the ground, of the cylinder is provided with a top plate, the top plate is provided with a plurality of mounting ports in one-to-one correspondence with the filter pressing cylinders, and the tops of the filter pressing cylinders are connected to the top plate.
As an optimal technical scheme for a multistation auto-change over device for sludge dewatering, the filter-pressing jar includes that bottom plate and end to end connect gradually a plurality of curb plates, and is a plurality of the curb plate forms the filter-pressing chamber that holds mud and filter cloth, the drainage hole has been seted up on the curb plate, just the curb plate outside is provided with the strengthening rib, the bottom plate supports in a plurality of the curb plate, and can be relative in vertical direction the curb plate removes.
As an optimal technical scheme of a multistation auto-change over device for sludge dewatering, the multistation auto-change over device still including set up in the jacking structure of drum below, the jacking structure is located ejection of compact station, the jacking structure is configured to can the jacking be located its top the bottom plate.
As an optimal technical scheme of a multistation auto-change over device for sludge dewatering, the multistation auto-change over device is still including being located the filter-pressing structure of filter-pressing station, the filter-pressing structure includes pneumatic cylinder and filter-pressing post, the hydraulic telescoping rod of pneumatic cylinder connect in the filter-pressing post, the pneumatic cylinder passes through hydraulic telescoping rod drives the vertical removal of filter-pressing post.
As an optimal technical scheme of the multi-station switching device for sludge dewatering, the multi-station switching device further comprises a fixing structure, the fixing structure penetrates through the cylinder, and the hydraulic cylinder is connected to the fixing structure.
As a preferred technical scheme of the multistation auto-change over device for sludge dewatering, the drive assembly includes driving motor, driving motor's output shaft is connected in the gear.
As a preferred technical scheme, four filter pressing cylinders are arranged and are uniformly distributed along the circumferential direction of the cylinder.
Compared with the prior art, the utility model has the following beneficial effects:
this a multistation auto-change over device for sludge dewatering through setting up drum, chassis and filter-pressing jar, drives every filter-pressing jar through the rotation on chassis and switches between feeding station, filter-pressing station and ejection of compact station, can realize going on in succession of sludge dewatering process, improves dehydration efficiency. And the gear drive chassis rotates to the running roller of supporting seat supports the chassis and can rotate along with the chassis, makes the rotation of chassis more stable, inertia effect when can eliminating the chassis rotation.
Drawings
Fig. 1 is a schematic front view of a multi-station switching device according to the present embodiment;
fig. 2 is a schematic top view of the multi-station switching device provided in this embodiment;
fig. 3 is a schematic side view of the supporting structure provided in this embodiment.
Wherein:
1. a cylinder; 11. a chassis; 12. a top plate;
2. a drive structure;
3. a support structure; 31. a supporting seat; 32. a roller;
4. a detector;
5. pressing a filter cylinder;
6. and (4) a station base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the present embodiment provides a multi-station switching device for sludge dewatering, which has a feeding station, a filter pressing station and a discharging station. The multi-station switching device comprises a cylinder 1, a drive structure 2 and a support structure 3. Wherein, the drum 1 is vertically arranged, one end of the drum 1 relatively close to the ground is provided with a chassis 11, the periphery of the chassis 11 is provided with a plurality of tooth grooves, a plurality of filter pressing cylinders 5 used for containing filter cloth and sludge are arranged in the drum 1 along the circumferential direction of the drum, and the filter pressing cylinders 5 can synchronously rotate along with the drum 1. The driving structure 2 comprises a driving assembly and a gear, the gear is meshed with the tooth grooves, and the driving assembly is used for driving the chassis 11 and the gear to rotate so as to drive each filter pressing cylinder 5 to be switched among the feeding station, the filter pressing station and the discharging station. The supporting structure 3 comprises a plurality of supporting seats 31, the supporting seats 31 are provided with rollers 2, and the rollers 32 support the chassis 11 and can rotate along with the chassis 11. The roller 32 is preferably a bearing.
It can be understood that, by arranging the cylinder 1, the base plate 11 and the filter pressing cylinder 5, the position of the filter pressing cylinder 5 is changed by the rotation of the base plate 11, for example, when the filter pressing cylinder 5 is located at a feeding station, the distributing device can convey filter cloth and sludge into the filter pressing cylinder 5; when the filter pressing cylinder 5 is positioned at a filter pressing station, the filter pressing device can extrude the sludge in the filter pressing cylinder 5 to press out moisture in the sludge; when the filter pressing cylinder 5 is positioned at the discharging station, the discharging device can take out the sludge and the filter cloth in the filter pressing cylinder 5. As described above, the continuous operation of the sludge dewatering step can be realized, and the dewatering efficiency can be improved. And the gear drives the chassis 11 to rotate, and the roller 32 of the supporting seat 31 supports the chassis 11 and can rotate along with the chassis 11, so that the rotation of the chassis 11 is more stable, and the inertia effect of the chassis 11 during rotation is eliminated.
It should be noted that the distributing device, the filter pressing device, and the discharging device may be integrally disposed with the multi-station switching device, or may be separately disposed, and this embodiment is not particularly limited.
Further, the above-mentioned feeding station, press filtration station and discharge station are arranged along the axial direction of the cylinder 1. Specifically, in this embodiment, there are two filter pressing stations, the two filter pressing stations are a low-pressure filter pressing station and a high-pressure filter pressing station, and the feeding station, the low-pressure filter pressing station, the high-pressure filter pressing station, and the discharging station are uniformly arranged along the axial direction of the cylinder 1. It will be appreciated that the low pressure press filtration station applies less pressure to the sludge than the high pressure press filtration station. Correspondingly, in the present embodiment, there are four filter cylinders 5, and when the cylinder 1 is in a static state, one filter cylinder 5 is in the feeding station, one filter cylinder 5 is in the discharging station, and the other two filter cylinders 5 are in the low-pressure filter pressing station and the high-pressure filter pressing station, respectively.
Of course, in other embodiments, the number of press filtration stations can be set according to actual needs, and correspondingly, the number of press filtration cylinders 5 is the same as the total number of stations.
Further, in this embodiment, the multi-station switching device further includes a detector 4 and a detection base, the detector 4 is disposed outside the cylinder 1, the detection base is disposed on the outer periphery of the cylinder 1 corresponding to each of the filter cylinders 5, and the detector 4 controls the driving assembly to stop driving the gear when detecting the detection base. The detector 4 is preferably a photoelectric sensor, and the detection substrate is a projection provided on the cylinder 1.
Taking four filter pressing cylinders 5 as an example, since the filter pressing cylinders 5 are uniformly distributed in the circumferential direction of the cylinder 1, when the detector 4 detects a detection matrix, the chassis 11 rotates 90 degrees, at the moment, the filter pressing cylinders 5 are switched between two stations, and at the moment, the drive assembly can be controlled to stop moving, so that feeding, filter pressing and discharging operations are realized.
Further, the driving assembly comprises a driving motor, and an output shaft of the driving motor is connected to the gear. In the present embodiment, the drive motor is preferably a reduction motor.
It can be understood that the multi-station switching device further comprises a controller, the driving motor and the detector 4 are both connected to the controller, the controller can control the driving motor to work or stop working, and the controller can control the motor to stop working when receiving the signal of the detector 4.
In order to fix the driving assembly, the multi-station switching device further comprises a station base 6, and the driving motor is installed on the station base 6.
Referring to fig. 2, a top plate 12 is disposed at one end of the cylinder 1, which is relatively far away from the ground, a plurality of mounting openings corresponding to the filter pressing cylinders 5 one by one are formed in the top plate 12, and the tops of the filter pressing cylinders 5 are connected to the top plate 12. Specifically, in the present embodiment, four mounting ports are provided, and each of the filter cylinders 5 is located in the cylinder 1 through one of the mounting ports.
The pressure filtration cylinder 5 comprises a bottom plate and a plurality of side plates which are sequentially connected end to end, the side plates form a pressure filtration cavity for containing sludge and filter cloth, water filtration holes are formed in the side plates, reinforcing ribs are arranged outside the side plates, the bottom plate is supported on the side plates, and the bottom plate can move in the vertical direction relative to the side plates.
Further, this multistation auto-change over device is still including the filter-pressing structure (not shown in the figure) that is located the filter-pressing station, and the filter-pressing structure includes pneumatic cylinder and filter-pressing post, and the hydraulic telescoping rod of pneumatic cylinder connects in the filter-pressing post, and the pneumatic cylinder passes through hydraulic telescoping rod and drives the vertical removal of filter-pressing post.
In addition, the multi-station switching device comprises a fixing structure (not shown in the figure) which is arranged through the cylinder 1, and the hydraulic cylinder is connected with the fixing structure.
Further, this multistation auto-change over device still includes the jacking structure (not shown in the figure) that sets up in drum 1 below, and jacking structure is located ejection of compact station, and jacking structure can the jacking be located the bottom plate of its top. Jacking structure can realize driving the jacking of bottom plate and descend can, to jacking structure's concrete structure, this embodiment does not do specific restriction.
It can be understood that when the filter pressing cylinder 5 is positioned at the filter pressing station, the filter pressing column moves downwards to extrude the sludge in the filter pressing cylinder 5, the bottom plate supports the sludge at the moment, and the water in the sludge flows out through the water filtering holes of the side plates after being extruded. When the filter pressing cylinder 5 moves to the discharging station, the jacking structure jacks the bottom plate to push the sludge and the filter cloth out of the filter pressing cylinder 5, so that the sludge material is obtained.
The multi-station switching device has two modes of manual operation and automatic operation, and under the automatic operation mode, the stay time of the filter-pressing cylinder 5 at each station can be set according to the dehydration efficiency, so that the continuous operation of the multi-station switching device is ensured.
Illustratively, the water content of the feed sludge is 85-90%, the pressure of the low pressure filter pressing station on the sludge is set according to the source type of the sludge, generally 8-15MPa, and the pressure of the high pressure filter pressing station on the sludge is set according to the dehydration efficiency of the sludge, generally 30-50 MPa. The residence time of the filter-pressing cylinder 5 at each station is set according to the type of the sludge, and is generally 5-20 min.
The specific effects of the present embodiment will be explained below.
Example 1
The sludge after the municipal domestic sewage treatment is taken as a treatment object, the water content of the sludge is 85 percent, and the treatment capacity is 5 t/h. The pressure of the low-pressure filter pressing station on the sludge is 10MPa, and the pressure of the high-pressure filter pressing station on the sludge is 45 MPa. The retention time of the low pressure filter pressing station and the high pressure filter pressing station is 15 min.
Comparative example 1
The sludge after the municipal domestic sewage treatment is taken as a treatment object, the water content of the sludge is 85 percent, and the treatment capacity is 5 t/h. And (3) dewatering the sludge by using a plate-and-frame filter press, wherein the highest pressure is 45MPa, and the retention time of the highest pressure is 15 min.
The results of the comparison of example 1 and comparative example 1 are: the final water content of the sludge dehydrated in example 1 was less than 50%. While the final water content of the sludge in comparative example 1 was 70%. It can be seen that the dewatering effect of the solution of the embodiment is better than that of the plate-and-frame filter press.
Example 2
The sludge after the municipal domestic sewage treatment is taken as a treatment object, the water content of the sludge is 85 percent, and the treatment capacity is 4 t/h. The pressure of the low-pressure filter pressing station on the sludge is 10MPa, and the pressure of the high-pressure filter pressing station on the sludge is 35 MPa. The retention time of the low pressure filter pressing station and the high pressure filter pressing station is 10 min.
Comparative example 2
The sludge after the municipal domestic sewage treatment is taken as a treatment object, the water content of the sludge is 85 percent, and the treatment capacity is 4 t/h. And (4) dewatering the sludge by adopting a belt filter press.
The results of the comparison of example 2 and comparative example 2 are: the final water content of the sludge dehydrated in example 1 was less than 50%. While the final water content of the sludge in comparative example 1 was 75% after dehydration. It can be seen that the solution of the present example has a superior dewatering effect to the belt filter press.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a multistation auto-change over device for sludge dewatering which characterized in that has feeding station, filter-pressing station and ejection of compact station, multistation auto-change over device includes:
the device comprises a cylinder (1) which is vertically arranged, wherein one end, relatively close to the ground, of the cylinder (1) is provided with a chassis (11), the periphery of the chassis (11) is provided with a plurality of tooth grooves, and a plurality of filter pressing cylinders (5) for containing filter cloth and sludge are uniformly distributed in the cylinder (1) along the axial direction of the cylinder;
the driving structure (2) comprises a driving assembly and a gear, the gear is meshed with the tooth sockets, and the driving assembly is configured to drive the gear and the chassis (11) to rotate so as to drive each filter pressing cylinder (5) to be switched among the feeding station, the filter pressing station and the discharging station;
bearing structure (3), including a plurality of supporting seats (31), be provided with running roller (32) on supporting seat (31), running roller (32) support chassis (11), and can follow chassis (11) rotate.
2. The multi-station switching device for sludge dewatering according to claim 1, further comprising:
a detector (4) disposed outside the cylinder (1);
a detection matrix provided on the periphery of the cylinder (1) in correspondence with each of the filtering cylinders (5), the detector (4) being configured to control the drive assembly to stop driving the gear when the detection matrix is detected.
3. The device according to claim 2, characterized in that the detector (4) is a photoelectric sensor and the detecting base is a protrusion protruding from the cylinder (1).
4. The multi-station switching device for sludge dewatering according to claim 1, wherein a top plate (12) is arranged at one end of the cylinder (1) relatively far away from the ground, a plurality of mounting ports corresponding to the filter-pressing cylinders (5) in a one-to-one manner are formed in the top plate (12), and the top of each filter-pressing cylinder (5) is connected to the top plate (12).
5. The multi-station switching device for sludge dewatering according to claim 1, wherein the pressure filtration cylinder (5) comprises a bottom plate and a plurality of side plates which are sequentially connected end to end, a pressure filtration cavity for containing sludge and filter cloth is formed by the plurality of side plates, water filtration holes are formed in the side plates, reinforcing ribs are arranged outside the side plates, and the bottom plate is supported by the plurality of side plates and can move relative to the side plates in the vertical direction.
6. The device according to claim 5, characterized in that it further comprises a jacking structure arranged below the cylinder (1), said jacking structure being located at the outfeed station, said jacking structure being configured to be able to jack the bottom plate located above it.
7. The multi-station switching device for sludge dewatering according to claim 1, further comprising a filter pressing structure located at the filter pressing station, wherein the filter pressing structure comprises a hydraulic cylinder and a filter pressing column, a hydraulic telescopic rod of the hydraulic cylinder is connected to the filter pressing column, and the hydraulic cylinder can drive the filter pressing column to vertically move through the hydraulic telescopic rod.
8. The device according to claim 7, characterized in that it further comprises a fixed structure, which is arranged through said cylinder (1), to which said hydraulic cylinder is connected.
9. The multi-station switching device for sludge dewatering according to claim 1, wherein the driving assembly comprises a driving motor, and an output shaft of the driving motor is connected to the gear.
10. The multi-station switching device for sludge dewatering according to claim 1, characterized in that the number of the filter cylinders (5) is four, and the four filter cylinders (5) are uniformly distributed along the circumference of the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121942819.1U CN216472785U (en) | 2021-08-18 | 2021-08-18 | A multistation auto-change over device for sludge dewatering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121942819.1U CN216472785U (en) | 2021-08-18 | 2021-08-18 | A multistation auto-change over device for sludge dewatering |
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| Publication Number | Publication Date |
|---|---|
| CN216472785U true CN216472785U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121942819.1U Active CN216472785U (en) | 2021-08-18 | 2021-08-18 | A multistation auto-change over device for sludge dewatering |
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| CN (1) | CN216472785U (en) |
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- 2021-08-18 CN CN202121942819.1U patent/CN216472785U/en active Active
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Effective date of registration: 20230619 Address after: 241299 Fanyang Town, Fanchang County, Wuhu City, Anhui Province (within the Wuhu Conch Factory Area) Patentee after: Wuhu Haichuang Environmental Protection Technology Co.,Ltd. Address before: 201801 Room 302, No. 6, Lane 599, Yungu Road, Jiading District, Shanghai j0267 Patentee before: Haihuan Lvyuan environmental protection technology (Shanghai) Co.,Ltd. |
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