CN219567759U - Sludge classification storage and transportation device - Google Patents
Sludge classification storage and transportation device Download PDFInfo
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- CN219567759U CN219567759U CN202320223087.3U CN202320223087U CN219567759U CN 219567759 U CN219567759 U CN 219567759U CN 202320223087 U CN202320223087 U CN 202320223087U CN 219567759 U CN219567759 U CN 219567759U
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Abstract
The utility model relates to the field of sludge treatment and discloses a sludge classification storage and transportation device which comprises a semi-dry sludge storage device for containing semi-dry sludge, a wet sludge storage device for containing wet sludge and a conveying device for conveying the wet sludge and the semi-dry sludge respectively, wherein the semi-dry sludge storage device comprises an underground semi-dry sludge bin and an overground semi-dry sludge temporary storage bin, the wet sludge storage device comprises an underground wet sludge bin and an overground wet sludge temporary storage bin, and the conveying device comprises a semi-dry sludge conveying device connected between the underground semi-dry sludge bin and the overground semi-dry sludge temporary storage bin and a wet sludge conveying device connected between the underground wet sludge bin and the overground wet sludge temporary storage bin. According to the utility model, the underground sludge bin is utilized to store sludge, the ground temporary storage bin is utilized to temporarily store sludge, and the conveying device is used for conveying the sludge, so that the space occupied by storing and conveying the sludge is saved, and the investment cost and the safety risk of project construction are reduced.
Description
Technical Field
The utility model relates to the field of sludge treatment, in particular to a sludge classification storage and transportation device.
Background
Along with the development of the economic society of China and the increasingly strict requirements of China on sewage disposal, the yield of various municipal sludge and industrial sludge is increased, and at present, the solid waste sludge after being disposed of by sewage treatment plants of China mainly has two types, namely, the sludge discharged by a centrifugal dehydrator with the water content of 80% and the sludge discharged by a plate-and-frame filter press with the water content of 60%.
At present, the means for disposing the sludge comprises a plurality of paths such as landfill, composting, building material utilization, incineration and the like, but because the sludge has poor fluidity and high viscosity, the difficulty in storage and transportation is increased, so that the sludge needs to be temporarily stored and then is transported in a concentrated manner, the means for temporarily storing the sludge mainly comprises two widely used technologies of an underground sludge pit and an overground sludge bucket, and the equipment for short-distance transportation mainly comprises a screw conveyor, a screw pump, a scraper and the like.
After being dehydrated by a plate-and-frame filter press or a centrifugal dehydrator of a sewage treatment plant, the sludge is directly conveyed to a freight car for outward conveying and disposal or conveyed to an existing sludge pit or an overground mud bucket for temporary storage in a shaftless spiral mode, and the like, so that the follow-up outward conveying and disposal can be waited.
Taking an example that sludge 300t is produced every day by a sewage treatment plant, the existing storage and transportation system of a subsurface sludge pit needs to excavate a deeper and larger sludge pit, the pit bottom is provided with conveying equipment, the excavation of the deep pit leads to higher civil construction cost, the safety risk of construction is relatively higher, and the overhaul of equipment in the pit can be limited in space; the adoption of the ground mud bucket mode can reduce the civil engineering cost and facilitate equipment maintenance, but is often limited by technical and safety considerations, and the storage capacity of the ground mud bucket cannot reach the expectations.
Disclosure of Invention
The utility model aims to solve the problems that the existing underground mud bucket is high in construction cost and maintenance difficulty, the storage space of the above-ground mud bucket is small and different mud cannot be classified and treated, and provides a mud classified storage and transportation device.
In order to achieve the above object, an aspect of the present utility model provides a sludge classification storage and transportation device including a semi-dry sludge storage device for accommodating semi-dry sludge, a wet sludge storage device for accommodating wet sludge, and a conveying device for conveying the wet sludge and the semi-dry sludge, respectively, wherein the semi-dry sludge storage device includes an underground semi-dry sludge bin and an above-ground semi-dry sludge temporary storage bin, the wet sludge storage device includes an underground wet sludge bin and an above-ground wet sludge temporary storage bin, wherein the conveying device includes a semi-dry sludge conveying device connected between the underground semi-dry sludge bin and the above-ground semi-dry sludge temporary storage bin, and a wet sludge conveying device connected between the underground wet sludge bin and the above-ground wet sludge temporary storage bin.
Preferably, the above-ground semi-dry sludge temporary storage bin is arranged above the underground wet sludge bin, and the above-ground wet sludge temporary storage bin is arranged above the underground semi-dry sludge bin.
Preferably, the semi-dry sludge transfer device includes a plurality of shaftless screw conveyors extending from a lower end plate of the underground semi-dry sludge bin and a first scraper conveyor having a feeding end disposed below the underground semi-dry sludge bin to be able to receive the semi-dry sludge outputted by the shaftless screw conveyors, and a feeding end disposed above the above-ground semi-dry sludge temporary storage bin.
Preferably, the feeding hole of each shaftless screw conveyor extends into the underground semi-dry mud bin, and the discharging hole of each shaftless screw conveyor is arranged right above the feeding end of the first scraper conveyor.
Preferably, the conveying device further comprises a disc feeder arranged at the lower end of the overground semi-dry mud temporary storage bin.
Preferably, the conveying device further comprises a second scraper conveyor arranged below the disc feeder.
Preferably, the wet mud conveying device comprises a first pipeline connected with the bottom end of the above-ground wet mud temporary storage bin and the feeding hole at the upper end of the underground wet mud bin, wherein a first valve is arranged on the first pipeline and is used for allowing the wet mud in the above-ground wet mud temporary storage bin to flow to the underground wet mud bin under the action of gravity in a state that the first valve is opened.
Preferably, the above-ground wet mud temporary storage bin is provided with a cone-shaped bottom, and the first pipeline is connected to the bottom end of the cone-shaped bottom.
Preferably, the wet mud conveying device comprises a second pipeline connected with the upper end feed inlet of the above-ground wet mud temporary storage bin and the lower end plate of the underground wet mud bin, and a conveying pump arranged on the second pipeline.
Preferably, the second pipeline is provided with a second valve positioned downstream of the delivery pump and/or a third valve positioned upstream of the delivery pump.
According to the technical scheme, the sludge is divided into the semi-dry sludge and the wet sludge according to the different water contents of the sludge, the underground wet sludge bin and the underground semi-dry sludge bin are established to store the wet sludge and the semi-dry sludge respectively, the overground wet sludge temporary storage bin and the overground semi-dry sludge temporary storage bin are established respectively, and when the underground wet sludge bin and the underground semi-dry sludge bin reach or are about to reach the upper storage limit, the wet sludge and the semi-dry sludge are transported to the overground wet sludge temporary storage bin and the overground semi-dry sludge temporary storage bin respectively through the conveying device to be temporarily stored. When the wet mud and the semi-dry mud are required to be transported and treated, the conveying device can also transport the wet mud and the semi-dry mud to other devices in different transportation modes according to the self-flowability characteristics of the wet mud and the semi-dry mud, so that deep foundation pit excavation work is avoided, the space occupied by storing and transporting the mud is saved, the investment cost and the safety risk of project construction are reduced as a whole, and the aim that the mud storage and transportation system can safely and stably run while meeting the reserve is finally achieved.
Drawings
Fig. 1 is a schematic structural view of the sludge classification storage and transportation device.
Description of the reference numerals
1. Underground semi-dry mud bin 2, underground wet mud bin 3 and overground wet mud temporary storage bin
4. Ground semi-dry mud temporary storage bin 5, first scraper conveyor 6 and conveying pump
7. Disc feeder 8, shaftless screw conveyor
9. Second scraper conveyor 10, first pipe 11, second pipe
12. First valve 13, second valve 14, third valve
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In the present utility model, unless otherwise specified, terms such as "upper, lower, left, and right" and "upper, lower, left, and right" are used generically to refer to the attached drawings; "inner and outer" means inner and outer relative to the contour of the respective parts themselves; "distal" and "proximal" refer to the distal and proximal relative to the contours of the components themselves.
Aiming at the problems of high civil construction cost, high maintenance difficulty of installing conveying equipment at the pit bottom and high construction risk faced by a sludge storage and transportation device applying an underground sludge pit and the problem of limited storage capacity faced by a sludge storage and transportation device applying an overground sludge bucket, the utility model provides a sludge classification storage and transportation device which is used for improving the efficiency of sludge storage and transportation and reducing the production cost. In addition, the sludge classifying, storing and transporting device can treat sludge with different water contents in a classifying way. The sludge classification storage and transportation device comprises a semi-dry sludge storage device for containing semi-dry sludge, a wet sludge storage device for containing wet sludge and a conveying device for conveying the wet sludge and the semi-dry sludge respectively, wherein the semi-dry sludge storage device comprises an underground semi-dry sludge bin 1 and an overground semi-dry sludge temporary storage bin 4, the wet sludge storage device comprises an underground wet sludge bin 2 and an overground wet sludge temporary storage bin 3, and the conveying device comprises the semi-dry sludge conveying device connected between the underground semi-dry sludge bin 1 and the overground semi-dry sludge temporary storage bin 4 and the wet sludge conveying device connected between the underground wet sludge bin 2 and the overground wet sludge temporary storage bin 3.
In a preferred embodiment, the sludge classification and storage device can respectively treat wet sludge with the water content of 80% and semi-dry sludge with the water content of 60%, and at this time, the sludge classification and storage device respectively comprises an underground semi-dry sludge bin 1 and an overground semi-dry sludge temporary storage bin 4, and an underground wet sludge bin 2 and an overground wet sludge temporary storage bin 3. The underground semi-dry mud bin 1 and the underground wet mud bin 2 are large in inner space and are respectively used for storing semi-dry mud and wet mud, when the underground semi-dry mud bin 1 and the underground wet mud bin 2 reach or are about to reach the upper storage limit, the wet mud and the semi-dry mud are respectively transported to the overground wet mud temporary storage bin 3 and the overground semi-dry mud temporary storage bin 4, and the wet mud and the semi-dry mud in the overground wet mud temporary storage bin 3 and the overground semi-dry mud temporary storage bin 4 can be transported back to the underground semi-dry mud bin 1 and the underground wet mud bin 2 at any time, so that the mud storage capacity is improved. At this time, the conveying device is not required to be installed in a single device such as an underground mud pit or an overground mud bucket, but is installed between the underground semi-dry mud bin 1 and the overground semi-dry mud temporary storage bin 4, and between the underground wet mud bin 2 and the overground wet mud temporary storage bin 3, so that the conveying device is convenient to overhaul.
The conveying device comprises a semi-dry mud conveying device and a wet mud conveying device, wherein the semi-dry mud conveying device is connected to the underground semi-dry mud bin 1 and the overground semi-dry mud temporary storage bin 4 and is used for conveying semi-dry mud in a two-way manner between the underground semi-dry mud bin 1 and the overground semi-dry mud temporary storage bin 4; the wet mud conveying device is connected between the underground wet mud bin 2 and the overground wet mud temporary storage bin 3 and is used for conveying wet mud in a bidirectional manner between the underground wet mud bin 2 and the overground wet mud temporary storage bin 3. Simultaneously, the conveying device can also convey wet mud and semi-dry mud to external transfer equipment respectively so as to transfer and treat the wet mud and the semi-dry mud.
Aiming at the distinguishing characteristics of the moisture content and the fluidity of the wet mud and the semi-dry mud, the wet mud and the semi-dry mud are respectively transported by a conveying device, the overground semi-dry mud temporary storage bin 4 is arranged above the underground wet mud bin 2, and the overground wet mud temporary storage bin 3 is arranged above the underground semi-dry mud bin 1. The structural design can avoid inconvenient transportation caused by vertical conveying of wet mud and semi-dry mud. The semi-dry mud has poor fluidity, and when the temporary storage bin 4 for the semi-dry mud on the ground is not positioned above the temporary storage bin 1 for the semi-dry mud on the lower side, an inclined semi-dry mud conveying device can be adopted, the semi-dry mud conveying device is used for driving the semi-dry mud to be conveyed to the ground, and the self gravity of the semi-dry mud is relied for realizing blanking.
To facilitate the transfer of semi-dry sludge from the underground semi-dry sludge hopper 1, the semi-dry sludge transfer device comprises a plurality of shaftless screw conveyors 8 and a first scraper conveyor 5 extending from the lower end plate of said underground semi-dry sludge hopper 1. Because the mobility of the semi-dry mud is poor, the discharging hole is formed in the lower end of the underground semi-dry mud bin 1, so that the discharging efficiency is difficult to meet, and the sludge classification storage and transportation device is provided with a plurality of shaftless screw conveyors 8 for rapidly discharging the semi-dry mud out of the underground semi-dry mud bin 1. The feeding end of the first scraper conveyor 5 is arranged below the underground semi-dry mud bin 1 so as to be capable of receiving the semi-dry mud output by the shaftless screw conveyor 8, and the feeding end of the first scraper conveyor 5 is arranged above the overground semi-dry mud temporary storage bin 4. The first scraper conveyor 5 conveys the semi-dry mud to the upper part of the overground semi-dry mud temporary storage bin 4 and then blanking.
Further, in order to convey the semi-dry sludge from the underground semi-dry sludge bin 1, a feed inlet of each shaftless screw conveyor 8 extends into the underground semi-dry sludge bin 1, and a discharge outlet of each shaftless screw conveyor 8 is arranged right above a feed end of the first scraper conveyor 5.
For conveying the semi-dry sludge out of the overground semi-dry sludge temporary storage bin 4, the conveying device further comprises a disc feeder 7 arranged at the lower end of the overground semi-dry sludge temporary storage bin 4, and the disc feeder 7 is also used for improving the discharging efficiency of the semi-dry sludge. In some embodiments, the carousel feeder 7 and shaftless screw conveyor 8 may be replaced. For example, in the case where the above-ground semi-dry sludge temporary storage bin 4 is provided as a rectangular parallelepiped sludge bin, the semi-dry sludge discharging operation in the above-ground semi-dry sludge temporary storage bin 4 may be realized by using a spreader and a shaftless screw conveyor. Through these settings, can realize effective unloading, prevent that interior mud of storehouse from taking the arch bridge.
For transporting the semi-dry sludge outputted from the above-ground semi-dry sludge temporary storage bin 4 to other structures, the transporting device further includes a second scraper conveyor 9 provided below the disc feeder 7, the second scraper conveyor 9 receiving the semi-dry sludge discharged from the disc feeder 7. The other structures can be an underground semi-dry mud bin 1 or an external semi-dry mud treatment structure of the mud classifying, storing and transporting device.
In order to transfer the wet sludge from the above-ground wet sludge temporary storage bin 3 to the underground wet sludge bin 2 according to the preset, the wet sludge conveying device comprises a first pipeline 10 provided with a first valve 12, wherein the first pipeline 10 is connected with the bottom end of the above-ground wet sludge temporary storage bin 3 and the upper end feed inlet of the underground wet sludge bin 2, and the wet sludge in the above-ground wet sludge temporary storage bin 3 is allowed to flow to the underground wet sludge bin 2 under the action of gravity under the state that the first valve 12 is opened.
Further, in order to facilitate the flow of wet sludge into the first pipe 10 from the above-ground wet sludge temporary storage bin 3, the above-ground wet sludge temporary storage bin 3 is provided with a cone-shaped bottom, the first pipe 10 is connected to the bottom end of the cone-shaped bottom, and the wet sludge can easily flow out from the cone-shaped bottom.
In order to transport the wet sludge from the underground wet sludge bin 2 to the overground wet sludge temporary storage bin 3 or to the wet sludge treatment structure externally arranged on the sludge classification storage and transportation device, the wet sludge conveying device comprises a second pipeline 11 and a conveying pump 6 arranged on the second pipeline 11. The second pipeline 11 is connected with the upper end feed inlet of the overground wet mud temporary storage bin 3 and the lower end plate of the underground wet mud bin 2, and can transport wet mud from the underground wet mud bin 2 to the overground wet mud temporary storage bin 3. At the same time, when the transfer pump 6 is turned on, wet sludge can be sucked out of the underground wet sludge bin 2 through the second pipe 11 and transferred to the wet sludge treatment structure. The transfer pump 6 may be a screw pump, a plunger pump, or the like.
Further, for controlling the flow direction of the wet sludge in the second pipe 12, the second pipe 11 is provided with a second valve 13 downstream of the transfer pump 6 and/or a third valve 14 upstream of the transfer pump 6. When wet sludge is conveyed from the underground wet sludge bin 2 to the overground wet sludge temporary storage bin 3 through the second pipeline 11, the second valve 13 is opened; when wet sludge has to be transported from the underground wet sludge bin 2 to the wet sludge treatment structure via the second pipe 11, the second valve 13 is opened and the transport pump 6 is opened. The third valve 14 is closed when there is no need to transport wet sludge out of the underground wet sludge bin 2.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a plurality of simple variants of the technical proposal of the utility model can be carried out, comprising that each specific technical feature is combined in any suitable way, and in order to avoid unnecessary repetition, the utility model does not need to be additionally described for various possible combinations. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (10)
1. The utility model provides a sludge classification warehousing and transportation device, its characterized in that includes the semi-dry mud storage device that is used for holding the semi-dry mud, is used for holding the wet mud storage device and transports wet mud and the conveying device of semi-dry mud respectively, wherein, semi-dry mud storage device includes secret semi-dry mud storehouse (1) and above-ground semi-dry mud temporary storage storehouse (4), wet mud storage device includes secret wet mud storehouse (2) and ground wet mud temporary storage storehouse (3), wherein conveying device includes the semi-dry mud conveying device who is connected to between secret semi-dry mud storehouse (1) and ground semi-dry mud temporary storage storehouse (4) and is connected to wet mud conveying device between secret wet mud storehouse (2) and ground wet mud temporary storage storehouse (3).
2. The sludge classification storage and transportation device according to claim 1, wherein the above-ground semi-dry sludge temporary storage bin (4) is arranged above the underground wet sludge bin (2), and the above-ground wet sludge temporary storage bin (3) is arranged above the underground semi-dry sludge bin (1).
3. The sludge classification storage and transportation device according to claim 1, characterized in that the semi-dry sludge transporting device comprises a plurality of shaftless screw conveyors (8) extending from a lower end plate of the underground semi-dry sludge bin (1) and a first scraper conveyor (5), a feeding end of the first scraper conveyor (5) is arranged below the underground semi-dry sludge bin (1) so as to be capable of receiving semi-dry sludge outputted by the shaftless screw conveyors (8), and a feeding end of the first scraper conveyor (5) is arranged above the above-ground semi-dry sludge temporary storage bin (4).
4. A sludge classification storage and transportation device as claimed in claim 3, wherein the feed inlet of each shaftless screw conveyor (8) extends into the underground semi-dry sludge bin (1), and the discharge outlet of each shaftless screw conveyor (8) is arranged right above the feed end of the first scraper conveyor (5).
5. The sludge classification storage and transportation device according to claim 1, characterized in that the transportation device further comprises a disc feeder (7) arranged at the lower end of the above-ground semi-dry sludge temporary storage bin (4).
6. The sludge classification storage and transportation device as claimed in claim 5, further comprising a second scraper conveyor (9) arranged below the disc feeder (7).
7. The sludge classification storage and transportation device according to claim 1, wherein the wet sludge transporting device comprises a first pipeline (10) connecting the bottom end of the above-ground wet sludge temporary storage bin (3) and the upper end feed inlet of the underground wet sludge bin (2), wherein the first pipeline (10) is provided with a first valve (12) and is arranged to allow the wet sludge in the above-ground wet sludge temporary storage bin (3) to flow to the underground wet sludge bin (2) under the action of gravity in a state that the first valve (12) is opened.
8. The sludge classification storage and transportation device according to claim 7, wherein the above-ground wet sludge temporary storage bin (3) has a cone-shaped bottom, and the first pipe (10) is connected to the bottom end of the cone-shaped bottom.
9. The sludge classification storage and transportation device according to claim 1, wherein the wet sludge conveying device comprises a second pipeline (11) connected with the upper end feed inlet of the above-ground wet sludge temporary storage bin (3) and the lower end plate of the underground wet sludge bin (2), and a conveying pump (6) arranged on the second pipeline (11).
10. Sludge classification storage and transportation device according to claim 9, characterized in that the second pipe (11) is provided with a second valve (13) downstream of the transfer pump (6) and/or a third valve (14) upstream of the transfer pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223087.3U CN219567759U (en) | 2023-02-01 | 2023-02-01 | Sludge classification storage and transportation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223087.3U CN219567759U (en) | 2023-02-01 | 2023-02-01 | Sludge classification storage and transportation device |
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| Publication Number | Publication Date |
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| CN219567759U true CN219567759U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320223087.3U Active CN219567759U (en) | 2023-02-01 | 2023-02-01 | Sludge classification storage and transportation device |
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| CN (1) | CN219567759U (en) |
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- 2023-02-01 CN CN202320223087.3U patent/CN219567759U/en active Active
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