CN214360931U - Movable sludge drying bed - Google Patents

Abstract

The utility model relates to the technical field of sludge treatment, and discloses a movable sludge drying bed with simple structure, low energy consumption, mobility and high efficiency, which comprises a first stirring bin, a first sludge storage bin, a second stirring bin, a second sludge storage bin, a stirring device, a first-stage drying bed, a second-stage drying bed and trundles; a stirring storehouse mud inlet department is equipped with into mud groove, and a stirring storehouse is equipped with the conveyer pipe with a storage mud storehouse lower part and link up, and a storage mud storehouse mud outlet and No. two stirring storehouse mud inlets are as an organic whole, and No. two storage mud storehouses link up with No. two stirring storehouse lower parts, and No. two storehouse mud outlets are located No. two stirring storehouses and No. two storage mud storehouse lower parts. The four cabin bodies have the functions of stirring and storing sludge, most of water can be drained when the sludge is discharged to the first-stage drying bed, and the sludge is transported to the second-stage drying bed to be further dried. The utility model discloses a design of comparatively simple structure and low energy consumption can adapt to various complicated application places, energy saving and emission reduction when reaching the effect.

Description

Movable sludge drying bed

Technical Field

The utility model belongs to the technical field of sludge treatment technique and specifically relates to a movable sludge drying bed is related to.

Background

For several years, with the increasing urban scale and population, urban construction projects have increased: sewage treatment, engineering construction, greenbelts and the like, which bring about the ever-increasing sludge yield. Therefore, disposal of sludge is a problem to be solved. The harmless reduction of the sludge is an important link of sludge treatment, and directly influences the effect and the cost of the sludge treatment. Sludge drying, also known as sludge dewatering, refers to a process of removing most of the water content from sludge by the action of percolation or evaporation. After the sludge is concentrated, the water content of the sludge is further reduced by a physical method, so that the sludge is convenient to transport, accumulate, utilize or further treat.

At present, some domestic environment-friendly enterprises produce a plurality of devices for drying sludge, but the devices are limited in practical application, for example, the existing large-scale sludge drying device cannot be moved due to the limitation of the functions; or the existing sludge drying vehicle is limited in volume and cannot be flexibly applied to various places; moreover, the existing technology is also a problem in resource consumption due to its high complexity; therefore, a movable sludge drying device with small volume and low energy consumption is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a movable sludge drying bed which has the advantages of mobility, small size and low energy consumption and is suitable for various places.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a movable sludge drying bed comprises a sludge feeding groove, a first stirring bin, a first sludge storage bin, a second stirring bin, a second sludge storage bin, a stirring device, a first-stage drying bed, a second-stage drying bed and trundles. A sludge inlet groove is formed in the sludge inlet of the first stirring bin, the sludge inlet groove is a pipeline surrounded by four sides, one side is a slope, and the other three sides are vertical plate bodies, so that sludge input and medicament addition are facilitated; the lower parts of the first stirring bin and the first sludge storage bin are provided with conveying pipes for communicating, a sludge outlet of the first sludge storage bin and a sludge inlet of the second stirring bin are integrated, the lower part of the second sludge storage bin and the lower part of the second stirring bin are communicated, and a sludge outlet of the second stirring bin and the lower part of the second sludge storage bin are positioned; the one-level drying bed comprises a conveying water filtering device, a separating net and a one-level water separation collecting tank, the feeding end of the conveying water filtering device is located below a sludge outlet of the second bin, the discharging end of the conveying water filtering device is connected with the second-level drying bed in series, the discharging end of the conveying water filtering device is higher than the second-level drying bed, it is guaranteed that sludge can smoothly reach the second-level drying bed after being treated by the one-level drying bed, and casters are mounted at the bottom of the movable drying bed.

Further, elevation such as a stirring storehouse and a storage mud storehouse, elevation such as No. two stirring storehouses and No. two storage mud storehouses just is less than a stirring storehouse and a storage mud storehouse, a stirring storehouse is located No. two and stores up directly over the mud storehouse, and a storage mud storehouse is located No. two and stirs directly over the storehouse, and this design can guarantee on the one hand that the higher mud of a storage mud storehouse of elevation and a stirring storehouse can flow smoothly to No. two stirring storehouses and No. two storage mud storehouses, and on the other hand utilizes the total capacity of all storehouse bodies of linker principle increase. The conveying pipe is positioned above the sludge inlet of the second stirring bin, and the design ensures that the sludge can smoothly flow to the second stirring bin from the first sludge storage bin under the condition that the sludge is not stored in the first sludge storage bin; the second-bin sludge outlet is arranged on the lower parts of the second stirring bin and the second sludge storage bin, and is in a strip shape, a sludge discharge pipe is additionally arranged at the second-bin sludge outlet, the sludge can flow to the whole rotary filter cloth through the strip shape design, and the arrangement of the sludge discharge pipe can well limit the outflow direction of the sludge; agitating unit includes agitator motor, stirring shaft and stirring fan blade, and agitator motor locates a stirring storehouse and No. two stirring storehouses tops, and the agitator motor bearing even has stirring shaft, is equipped with stirring fan blade on the stirring shaft, and agitator motor, stirring shaft and stirring fan blade that are equipped with can make mud flow smoothly and be convenient for mud and add the medicament intensive mixing.

Further, the conveying and water filtering device comprises rotary filter cloth, a rotary rolling shaft rear shaft, a rotary rolling shaft front shaft and a fine hairbrush, the rotary rolling shaft rear shaft is located below a second-bin mud outlet, the fine hairbrush is arranged below the second-bin mud outlet, the other end of the fine hairbrush is in contact with the rotary rolling shaft rear shaft, the rotary rolling shaft front shaft and the rotary rolling shaft rear shaft are horizontal and located above the edge of the second-stage drying bed, the two shafts are connected and wrapped by the rotary filter cloth, a first-stage water separation collecting tank is arranged below the rotary filter cloth, and a separation net is arranged in the middle of the first-stage water separation collecting tank; after the sludge flows to the rotary filter cloth from a sludge outlet of the second bin, most of water can be filtered before the sludge reaches a drying table of the second-stage drying bed, and the water falls into a primary water separation collecting tank through the filter cloth to be collected; the arrangement of the fine hairbrush and the separation net can prevent the sludge from falling into the primary water separation collecting tank to a great extent.

Further, the second grade is dried the fluidized bed and is included second grade drying bed drying table, spacer screen and second grade separation of water collecting vat, the coarse sand layer has been laid on second grade drying bed drying table upper strata, has laid the gravel layer under the coarse sand layer, and the gravel layer has the spacer screen, and width direction, the place ahead of second grade drying bed drying table are equipped with the baffle to the edge, the spacer screen is opened has a plurality of circular apertures for it falls into second grade separation of water collecting vat to block untreated mud, coarse sand layer and gravel layer, and the spacer screen has second grade separation of water collecting vat, is used for collecting the moisture that mud on the second grade drying bed drying table was driped the lower.

Furthermore, a drain hole is formed in the lower portion of the first-stage water separation collecting tank and the lower portion of the second-stage water separation collecting tank, and the drain hole is provided with a rubber plug, so that water in the first-stage water separation collecting tank and the water in the second-stage water separation collecting tank can be conveniently drained.

Furthermore, the baffle is detachably fixed through a notch formed in the length direction of the bed body, so that the coarse sand layer and the gravel layer can be conveniently detached.

Further, the truckles are installed in four angles of movable sludge drying bed bottom, the truckles are the universal wheel, guarantee the flexibility that movable sludge drying bed used.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model adopts the design of the caster wheel arranged at the bottom, realizes the movable effect, is suitable for the places needing to be moved continuously, and is suitable for various outdoor complex places;

2. the utility model adopts a two-stage drying bed setting mode, the primary water filtration is realized by the gravity action of the primary drying bed, and the rapid water absorption is realized by the coarse sand layer and the gravel layer of the secondary drying bed, thereby improving the water removal rate and the drying efficiency;

3. the utility model discloses a mud storehouse is stored up in two-stage stirring storehouse, two-stage, can increase the storage mud volume of sludge drying in-process, guarantees the continuity and the smoothness nature of sludge drying process, raises the efficiency.

Drawings

FIG. 1 is a front view of a movable sludge drying bed.

Fig. 2 is a front view of a movable sludge drying bed.

FIG. 3 is a sectional view of the A-A side of a movable sludge drying bed.

FIG. 4 is a sectional view of a movable sludge drying bed B-B.

In the figure, 1-a mud feeding groove; 2-a first stirring bin; 3-a sludge storage bin; 4-second stirring bin; 5-a second sludge storage bin; 6-stirring a motor; 7-stirring a transmission shaft; 8-stirring fan blades; 9-rotating the filter cloth; 10-rotating the rear axle of the roller; 11-rotating roller front axle; 12-fine brush; 13-a distribution box; 14-a primary water separation collecting tank; 15-second stage drying bed drying table; 16-a secondary water separation holding tank; 17-a caster; 201-a baffle; 202-a separation net; 301-a delivery pipe; 402-No. two storehouse mud outlet; 501-drainage hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The movable sludge drying bed shown in fig. 1 comprises a sludge inlet tank 1, a first stirring bin 2, a first sludge storage bin 3, a second stirring bin 4, a second sludge storage bin 5, a stirring motor 6, a stirring transmission shaft 7, stirring blades 8, rotary filter cloth 9, a rotary roller rear shaft 10, a rotary roller front shaft 11, a fine hair brush 12, a distribution box 13, a primary water separation collecting tank 14, a secondary drying bed drying platform 15, a secondary water separation collecting tank 16, a caster 17, a baffle 201, a partition net 202, a conveying pipe 301, a second sludge outlet 402 and a water drainage hole 501; the mud inlet groove 1 is arranged close to the top of the first stirring bin 2, the area of the top surface is usually 1/3, the mud inlet groove 1 is a pipeline surrounded by four surfaces, one surface is a slope of 45 degrees, and the other three surfaces are vertical plate bodies; a stirring motor 6 is arranged above the first stirring bin 2, a sealed shell is arranged outside the stirring motor 6 and used for protecting the internal structure, an output shaft of the stirring motor 6 is connected with a stirring transmission shaft 7, stirring blades 8 are arranged on the stirring transmission shaft 7, the stirring transmission shaft 7 and the stirring blades 8 are positioned in the first stirring bin 2, the length of the stirring transmission shaft 7 is 2/3 of the height of the first stirring bin 2, and the stirring blades 8 are horizontal blades or cylinders and can play a role in stirring; the first sludge storage bin 3 and the first stirring bin 2 are arranged in parallel at equal elevations, and are communicated with the first stirring bin 2 through a conveying pipe 301, the conveying pipe 301 is arranged at the lower part between the two bins and can be cylindrical, a round hole is formed in the wall between the two bins, then a small section of round pipe with equal radius is welded to guide a sludge outlet to the upper part of a sludge inlet of the second stirring bin 4, or a semicircular notch is directly formed at the bottoms of the first stirring bin 2 and the first sludge storage bin 3 in the optimal scheme, sludge is guided to the first sludge storage bin 3, the purpose can be achieved, and meanwhile sludge accumulation at the bottom of the first stirring bin 2 is prevented; the second stirring bin 4 is positioned below the first mud storage bin 3, the structure of the second stirring bin 4 is similar to that of the first stirring bin 2, a mud inlet is formed but is not provided with a mud inlet groove 1, the area of the mud inlet is 1/3 of the upper top surface area of the second stirring bin 4, the mud inlet of the second stirring bin 4 is a mud outlet of the first mud storage bin 3, and a sealing shell is also arranged outside the stirring motor 6; the second sludge storage bin 5 is positioned below the first stirring bin 2, and the lower part of the second sludge storage bin is communicated with the second stirring bin 4, namely the lower part 1/4 between the two bins is communicated; no. two stirring storehouse 4 and No. two mud storehouse 5 lower part entire bodies have been seted up No. two storehouse mud outlets 402, highly be No. two mud storehouse 5 and the 1/8 of stirring storehouse height of storing up, and No. two storehouse mud outlets 402 adds and is equipped with the mud pipe, guarantees that the mud in No. two storehouses can flow to on the rotatory filter cloth 9. The rear shaft 10 of the rotating roller is arranged below the mud outlet 402 of the second bin, the fine hairbrush 12 is arranged below the mud outlet 402 of the second bin, and the other side of the fine hairbrush 12 is in contact with the rear shaft 10 of the rotating roller, so that the sludge is prevented from leaking from a gap between the mud outlet 402 of the second bin and the roller; the front shaft 11 of the rotary rolling shaft and the rear shaft 10 of the rotary rolling shaft are horizontal, the outer parts of the front shaft and the rear shaft are wrapped and connected with rotary filter cloth 9, and the rotary filter cloth 9 can filter most of water in sludge; a primary water separation collecting tank 14 is arranged below the rotary filter cloth 9 and used for collecting water filtered from the filter cloth, a separation net 202 is arranged in the primary water separation collecting tank 14, a small round hole with the diameter of 3-7mm is formed in the whole separation net 202 and used for blocking silt components in the sludge falling carelessly, a water drainage hole 501 is further formed in the lower portion of the primary water separation collecting tank 14, the water drainage hole 501 is generally plugged by a rubber plug, and the rubber plug can be opened for drainage after the primary water separation collecting tank 14 collects water; the front shaft 11 of the rotary roller is positioned at the edge of the secondary drying bed to ensure that the silt can be conveyed to the drying table 15 of the secondary drying bed when the silt is conveyed; a coarse sand layer is laid on the upper layer of the secondary drying bed drying table 15, a gravel layer is laid below the coarse sand layer, a separation net 202 blocks the gravel layer, a secondary water separation collecting tank 16 is arranged below the separation net 202, the coarse sand layer is used for actively absorbing water and filtering sludge, the gravel layer serves as a base of the coarse sand layer on one hand and is used for filtering the sludge again on the other hand, the separation net 202 separates coarse sand and gravel above from the secondary water separation collecting tank 16 below, and the filtered water flows to the secondary water separation collecting tank 16 through small holes formed in the separation net 202 to be collected; a drain hole 501 is also formed below the secondary water separation collecting tank 16 and the lower part of the primary water separation collecting tank 14, the drain hole 501 is generally plugged by a rubber plug, and the rubber plug can be opened for draining water after the secondary water separation collecting tank 16 is filled with water; the baffle 201 is arranged on the edge in the width direction and the front direction of the secondary drying bed, the baffle 201 is only the upper half part of the separation net 202, the bed bodies on two sides are provided with notches for vertically inserting the baffle 201, and when the used coarse sand layer and the used gravel layer need to be dismounted after the operation of the drying bed is finished, the baffle 201 can be dismounted, so that the coarse sand layer and the used gravel layer can be conveniently dismounted. A distribution box 13 is arranged between the first-stage water separation collecting tank 14 and the second-stage water separation collecting tank 16 and used for storing power supplied by a storage battery and controlling the start and stop of a stirring motor of the two rotary rollers and the stirring bin, and the device can be configured at any suitable position. Four casters 17 are arranged at four corners at the bottom to facilitate the movement of the drying bed.

Fig. 3 is a sectional view of a plane a-a of a movable sludge drying bed, when in use, sludge is guided or poured into a sludge inlet tank 1 through a delivery pipe 301 by using a vacuum pump, the sludge enters a first stirring bin 2 and is stirred by a stirring device arranged in the first stirring bin 2, or a medicament is added from the sludge inlet tank 1 and is stirred in the first stirring bin 2, then the sludge is delivered to a first sludge storage bin 3 through the delivery pipe 301 arranged between the first stirring bin 2 and the first sludge storage bin 3, if the second stirring bin 4 is not full, the sludge directly flows into a second stirring bin 4, and if the second stirring bin 4 is full, the sludge is stored in the first sludge storage bin 3 to wait for treatment; mud flows to No. two stirring storehouse 4 backs, carries out intensive mixing by the agitating unit that No. two stirring storehouses 4 were equipped with again, if mud was greater than the outflow speed of No. two storehouse outlet 402 by No. two stirring storehouse 4 mud inlet inflow speed this moment, then the mud of many plays can be followed No. two stirring storehouses 4 inflow No. two and store temporarily in the mud storehouse 5, wait to handle.

After flowing out from the second-bin sludge outlet 402, the sludge can fall onto the rotary filter cloth 9, and a fine hairbrush 12 is arranged between the second-bin sludge outlet 402 and the rotary roller rear shaft 10 to prevent the sludge from directly falling into a primary water separation collecting tank 14; the sludge on the rotary filter cloth 9 is conveyed forwards at a lower speed along with the rotary filter cloth 9, and a large amount of water permeates through the rotary filter cloth 9 and flows into the primary water separation collecting tank 14 in the conveying process; after being conveyed to the front shaft 11 of the rotary roller, the sludge falls onto a coarse sand layer of a drying table 15 of the secondary drying bed for further drying, and water flows into a secondary water separation collecting tank 16 through the coarse sand layer, a gravel layer and the separation net 202, so that the drying of the sludge is completed.

When the device is used on a complex site, the device can be transported to the position near the site by the transport vehicle, and the device can be easily moved to the use site after being detached and is matched with a vacuum pump or a forklift for use.

Elements, equipment and the like which are not specially explained in the utility model are the prior art and can be purchased and used selectively.

Claims (8)

1. The utility model provides a movable sludge drying bed which characterized in that: the sludge drying device comprises a first stirring bin (2), a first sludge storage bin (3), a second stirring bin (4), a second sludge storage bin (5), a stirring device, a first-stage drying bed, a second-stage drying bed and casters (17), wherein a sludge inlet of the first stirring bin (2) is provided with a sludge inlet groove (1), the first stirring bin (2) is communicated with the lower part of the first sludge storage bin (3) through a conveying pipe (301), a sludge outlet of the first sludge storage bin (3) is integrated with a sludge inlet of the second stirring bin (4), the second sludge storage bin (5) is communicated with the lower part of the second stirring bin (4), a sludge outlet (402) of the second stirring bin is arranged at the lower parts of the second stirring bin (4) and the second sludge storage bin (5), and stirring devices are respectively installed in the first stirring bin (2) and the second stirring bin (4);

the one-level drying bed comprises a conveying water filtering device, a separating net (202) and a one-level water separation collecting tank (14), the feeding end of the conveying water filtering device is positioned below a second-class sludge outlet (402), the discharging end of the conveying water filtering device is connected with the second-level drying bed in series, the discharging end of the conveying water filtering device is higher than the second-level drying bed, and casters (17) are mounted at the bottom of the movable drying bed.

2. The mobile sludge drying bed of claim 1, wherein: the elevation of the first stirring bin (2) is equal to that of the first sludge storage bin (3), the elevation of the second stirring bin (4) is equal to that of the second sludge storage bin (5) and is lower than that of the first stirring bin (2) and the first sludge storage bin (3), the first stirring bin (2) is located right above the second sludge storage bin (5), the first sludge storage bin (3) is located right above the second stirring bin (4), and the conveying pipe (301) is located above a sludge inlet of the second stirring bin (4); the second-bin sludge outlet (402) is arranged on the lower parts of the second stirring bin (4) and the second sludge storage bin (5) in a strip shape, and a sludge discharge pipe is additionally arranged on the second-bin sludge outlet (402).

3. The mobile sludge drying bed of claim 2, wherein: the stirring device comprises a stirring motor (6), a stirring transmission shaft (7) and stirring fan blades (8), an output shaft of the stirring motor (6) is connected with the stirring transmission shaft (7), and the stirring transmission shaft (7) is provided with the stirring fan blades (8).

4. A mobile sludge drying bed according to claim 3, characterized in that: conveying water filtering device includes rotary filter cloth (9), rotary roller rear axle (10), rotary roller front axle (11) and fine brush (12), rotary roller rear axle (10) are located No. two storehouse mud outlets (402) below, No. two storehouse mud outlets (402) below is equipped with fine brush (12), fine brush (12) other end and rotary roller rear axle (10) contact, rotary roller front axle (11) just are located second grade drying bed edge top with rotary roller rear axle (10) level, the diaxon is connected the parcel by rotary filter cloth (9), rotary filter cloth (9) below is equipped with one-level separation of water (14), one-level separation of water (14) collecting vat middle part is equipped with divider screen (202).

5. The mobile sludge drying bed of claim 4, wherein: the second grade dryly the fluidized bed includes that second grade dryly fluidized bed drying table (15), divider network (202) and second grade separation of water collecting vat (16), the coarse sand layer has been laid on second grade dryly fluidized bed drying table (15) upper strata, has laid the gravel layer under the coarse sand layer, and the gravel layer has divider network (202), and the width direction edge of second grade dryly fluidized bed drying table (15) is equipped with baffle (201), divider network (202) are opened there are a plurality of circular apertures, and divider network (202) have second grade separation of water collecting vat (16).

6. The mobile sludge drying bed of claim 5, wherein: the lower parts of the primary water separation collecting tank (14) and the secondary water separation collecting tank (16) are provided with drain holes (501), and the drain holes (501) are provided with rubber plugs.

7. The mobile sludge drying bed of claim 5, wherein: the baffle (201) is detachably fixed through a notch formed in the length direction of the bed body.

8. The mobile sludge drying bed of claim 1, wherein: the truckles (17) are arranged at four corners of the bottom of the movable sludge drying bed, and the truckles (17) are universal wheels.

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