CN110818219A - Sludge dewatering device - Google Patents
Sludge dewatering device Download PDFInfo
- Publication number
- CN110818219A CN110818219A CN201911257464.XA CN201911257464A CN110818219A CN 110818219 A CN110818219 A CN 110818219A CN 201911257464 A CN201911257464 A CN 201911257464A CN 110818219 A CN110818219 A CN 110818219A
- Authority
- CN
- China
- Prior art keywords
- filter cloth
- water
- mud
- separation tank
- sludge dewatering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000004744 fabric Substances 0.000 claims abstract description 69
- 238000000926 separation method Methods 0.000 claims abstract description 36
- 239000011229 interlayer Substances 0.000 claims abstract description 30
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004746 geotextile Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims 1
- 230000018044 dehydration Effects 0.000 abstract description 6
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920004933 Terylene® Polymers 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge dewatering device which comprises a mud-water separation tank, wherein a gap water removing assembly is fixed in the mud-water separation tank, a water collecting tank is arranged below the mud-water separation tank, and the gap water removing assembly is communicated with the water collecting tank. The outside of the mud-water separation tank is of a framework structure, the framework structure comprises a filter cloth and a filter cloth protective layer from inside to outside, and the filter cloth protective layer are fixed in a fitting mode. The clearance water removing assembly comprises a filter element, filter cloth and an interlayer, wherein the filter element is uniformly arranged between the two interlayers, and the filter cloth covers the interlayer. The sludge dewatering device can be freely assembled according to the riverway coastal terrain, the problem of shortage of land for sludge storage yards in urban riverway dredging engineering is solved, the water content of the sludge treated by the device can be reduced to be below 80%, and the sludge is basically solid and is convenient to transport. In addition, a power source is not needed in the dehydration process, and the sludge dehydration cost is reduced.
Description
Technical Field
The invention relates to the field of river channel dredging, in particular to a sludge dewatering device.
Background
With the advance of the urbanization process, many river channels are damaged and polluted, so that the water flow is not smooth, the river mud accumulation phenomenon is aggravated, and the river channel dredging becomes the necessary work for keeping the river channels clean.
According to the current experience, the urban river channel is desilted once every 3-5 years, and the desilting mode of the urban river channel is mainly that the pond is dried and then the hydraulic flushing is carried out, the bottom mud is flushed into the mud, and then the mud is transported to a storage yard by a mud truck for disposal. The treatment mode has low efficiency, and the cost of delivering the slurry is high, which becomes the largest expenditure in the dredging project.
Although the plate-and-frame filter press dewatering and centrifugal dewatering machine can also be applied to sludge dewatering at present, the problems of large occupied area and high operation cost exist.
Disclosure of Invention
The sludge dewatering device provided by the embodiment of the invention comprises a mud-water separation tank, a gap water removing assembly is fixed in the mud-water separation tank, a water collecting tank is arranged below the mud-water separation tank, the gap water removing assembly is communicated with the water collecting tank,
the outside of the mud-water separation tank is of a framework structure, the inside of the framework structure comprises a filter cloth and a filter cloth protective layer from inside to outside, the filter cloth and the filter cloth protective layer are fixed by being adhered with clothes,
the clearance water removing assembly comprises a filter element, filter cloth and an interlayer, wherein the filter element is uniformly arranged between the two interlayers, and the filter cloth covers the interlayer.
The sludge dewatering device can be freely assembled according to the riverway coastal terrain, the problem of shortage of land for sludge storage yards in urban riverway dredging engineering is solved, the water content of the sludge treated by the device can be reduced to be below 80%, and the sludge is basically solid and is convenient to transport. In addition, a power source is not needed in the dehydration process, and the sludge dehydration cost is reduced.
Furthermore, the framework structure is cuboid and is built by a fastener type steel pipe scaffold.
Furthermore, the filter cloth protective layer is formed by splicing a crocheted guardrail net, is embedded in the framework structure and is fixed by iron wires or ribbons.
Furthermore, slots for the water removing assemblies with gaps are reserved at the filter cloth protective layer and the bottom of the framework structure.
Furthermore, the filter cloth adopts the dacron filter cloth, forms according to the size concatenation of skeleton texture, and the slot of clearance water removal subassembly is reserved to the bottom, and the filter cloth is embedded in the filter cloth sheath, and reuse ribbon is fixed.
Furthermore, the filter core is made of geotextile in a rolling mode, the interlayer is a steel bar net piece, the two interlayers wrap the filter core in a clamping mode and are fixed through a binding belt, and the filter cloth wraps the interlayer.
Further, still include the supernatant and get rid of the subassembly, the supernatant is got rid of the subassembly and is become by catchment funnel and aqueduct, catchments funnel detachably and places on skeleton texture's upper crossbeam, and the aqueduct passes skeleton texture intercommunication water catch bowl.
Further, still dredge the subassembly including the drainage, the drainage is dredged the subassembly and is collected the subassembly including separation tank drainage, and separation tank drainage is collected the subassembly and is become by manger plate cloth and collecting vat, and manger plate cloth is hung around the mud-water separation pond periphery, and with mud-water separation pond exhaust water drainage to bottom in the collecting vat.
Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of a sludge dehydrating apparatus in the present embodiment.
Fig. 2 is a plan view of the sludge dewatering device in the present embodiment.
Fig. 3 is a schematic sectional view of the a-a surface of the sludge dewatering device in the present embodiment.
Fig. 4 is a schematic sectional structure view of the B-B surface of the sludge dewatering device in the present embodiment.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Referring to fig. 1 to 4, a sludge dewatering device provided in an embodiment of the present invention includes a mud-water separation tank, a gap water removing assembly is fixed in the mud-water separation tank, a water collecting tank 8 is disposed below the mud-water separation tank, the gap water removing assembly is communicated with the water collecting tank 8, a framework structure 2 is disposed outside the mud-water separation tank, the framework structure 2 includes a filter cloth 4 and a filter cloth sheath 3 from inside to outside, the filter cloth 4 and the filter cloth sheath 3 are fixed to each other, the gap water removing assembly includes a filter element 62, a dewatering filter cloth 61 and an interlayer (not shown), the filter element 62 is uniformly arranged between the two interlayers, and the dewatering filter cloth 61 covers the interlayer.
The sludge dewatering device can be freely assembled according to the riverway coastal terrain, the problem of shortage of land for sludge storage yards in urban riverway dredging engineering is solved, the water content of the sludge treated by the device can be reduced to be below 80%, and the sludge is basically solid and is convenient to transport. In addition, a power source is not needed in the dehydration process, and the sludge dehydration cost is reduced.
Particularly, the invention provides a sludge dewatering mode with high adaptability and low cost for the modern city river dredging project.
The mud-water separation tank is a main body of the device, is in a cuboid shape, adopts a nested structure, is divided into three layers from inside to outside, and is respectively a filter cloth 4, a filter cloth protective layer 3 and a skeleton structure 2. Filter cloth 4 is arranged in filtering the moisture in the silt mud, and filter cloth protective layer 3 is used for protecting filter cloth 4, prevents that filter cloth 4 from perforating because of the too big production of mud pressure, and skeleton texture 2 is used for strengthening the tensile strength of filter cloth 4 and protective layer, ensures that filter cloth 4 and filter cloth protective layer 3 can not produce perforation and excessive deformation because of mud pressure.
In the interstitial water removal assembly, the filter element 62 is sandwiched by the interlayer, and then the interlayer and the filter element 62 therein are wrapped by the filter cloth 61. The gap water removing assembly is vertically inserted into a clamping groove at the bottom of the mud-water separation tank.
In the present embodiment, the effective volume of the mud-water separation tank is 5m3The framework structure 2 is built by a fastener type steel pipe scaffold, is in a rectangular shape, and has the size of 2m x 1.5m (L x D x H).
The bottom of the mud-water separation tank is provided with a support leg 9, and the water collecting tank 8 is positioned below the mud-water separation tank.
Further, the framework structure 2 is rectangular and is constructed by a fastener type steel pipe scaffold.
Further, the filter cloth protective layer 3 is formed by splicing a hook flower guardrail net, is embedded in the framework structure 2 and is fixed by iron wires or binding belts. Specifically, in the present embodiment, the filter cloth sheath 3 is formed by splicing a crocheted fence net with a pore diameter of 3 cm.
Furthermore, slots for clearance water removal assemblies are reserved at the bottoms of the filter cloth protective layer 3 and the framework structure 2. After the present embodiment, the number of the slots is 4, which corresponds to the number of the gap water removing assemblies.
Furthermore, the dewatering filter cloth 61 is made of terylene filter cloth and spliced according to the size of the framework structure 2, a slot of the clearance water removing assembly is reserved at the bottom, and the filter cloth is embedded in the filter cloth protective layer 3 and then fixed by a binding belt. Specifically, the filter cloth 4 is a commercially available 400-mesh terylene filter cloth, and the binding belt can ensure that the filter cloth is attached to the filter cloth protective layer 3.
Further, the filter elements 62 are formed by rolling geotextile, the interlayer is a steel bar net, one filter element 62 is wrapped between the two interlayers, the two interlayers are fixed through a binding belt, and the interlayer is wrapped by the dewatering filter cloth 61. The filter element 62 is made by rolling commercially available geotextile, the dewatering filter cloth 61 is made by commercially available 400-mesh terylene filter cloth, and the interlayer is made by commercially available reinforcing mesh.
During processing, 7 filter elements 62 of 2.1m are uniformly distributed on an interlayer of 2m × 2m, the filter elements 62 are clamped by another interlayer of the same size, then two net sheets are fixed by a binding tape, the interlayer is coated by the dewatering filter cloth 61, and the filter elements 62 and the dewatering filter cloth 61 are longer than the interlayer by 10cm and used for discharging interstitial water through the framework structure 2.
And vertically inserting the four prepared clearance water removal assemblies into slots in the mud-water separation tank, and fixing the upper ends of the four clearance water removal assemblies on a cross beam of the framework structure 2.
Further, the device also comprises a supernatant removing assembly, wherein the supernatant removing assembly consists of a water collecting funnel 51 and a water guide pipe 52, the water collecting funnel 51 is detachably placed on the upper-layer cross beam of the framework structure 2, and the water guide pipe 52 penetrates through the framework structure 2 and is communicated with the water collecting tank 8. The supernatant liquid removing assembly is vertically inserted into a drain hole at the bottom of the mud-water separation tank.
Specifically, funnel 51 that catchments adopts pp chemical industry board to weld to become, and aqueduct 52 adopts the PVC steel wire hose of market, and funnel 51 and aqueduct 52 connection should stabilize, and funnel 51 that catchments temporarily fixes on upper skeleton texture 2's crossbeam, and aqueduct 52 sees through lower floor skeleton texture 2, can discharge upper clear liquid when waiting to form mud-water separation. All the discharged sewage is collected by a collecting tank and then is treated in a unified way after being collected.
Further, still dredge subassembly 1 including the drainage, drainage is dredged subassembly 1 and is included separation tank drainage collection subassembly, and separation tank drainage collection subassembly comprises manger plate cloth and collecting vat, and manger plate cloth is hung around the mud-water separation pond peripherally, and with mud-water separation pond exhaust drainage to the bottom collecting vat in.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The sludge dewatering device is characterized by comprising a mud-water separation tank, a gap water removing assembly is fixed in the mud-water separation tank, a water collecting tank is arranged below the mud-water separation tank, the gap water removing assembly is communicated with the water collecting tank,
the outside of the mud-water separation tank is of a framework structure, the inside of the framework structure comprises a filter cloth and a filter cloth protective layer from inside to outside, the filter cloth and the filter cloth protective layer are fixed by being adhered with clothes,
the clearance water removing assembly comprises a filter element, filter cloth and an interlayer, wherein the filter element is uniformly arranged between the two interlayers, and the filter cloth covers the interlayer.
2. The sludge dewatering apparatus of claim 1, wherein the skeletal structure is rectangular and is constructed from a clip-type steel pipe scaffold.
3. The sludge dewatering device of claim 1, wherein the filter cloth sheath is formed by splicing a crocheted guardrail net, is embedded in the framework structure, and is fixed by iron wires or ribbons.
4. The sludge dewatering apparatus of claim 3, wherein slots for the gap water removal assembly are reserved in the filter cloth sheath and the bottom of the skeletal structure.
5. The sludge dewatering device of claim 1, wherein the filter cloth is made of polyester filter cloth and is spliced according to the size of a skeleton structure, slots of the gap water removing assembly are reserved at the bottom, and the filter cloth is embedded in a filter cloth protective layer and is fixed by a binding belt.
6. The sludge dewatering device of claim 1, wherein the filter element is made of geotextile by rolling, the interlayer is a steel mesh, one filter element is sandwiched between the two interlayers, the two interlayers are fixed by a binding belt, and the interlayer is covered by the filter cloth.
7. The sludge dewatering apparatus of claim 1, further comprising a supernatant removal assembly, the supernatant removal assembly comprising a collection funnel and a conduit, the collection funnel being removably positioned on the upper cross member of the skeletal structure, the conduit passing through the skeletal structure to communicate with the collection trough.
8. The sludge dewatering device of claim 1, further comprising a drainage diversion assembly, wherein the drainage diversion assembly comprises a separation tank drainage collection assembly, the separation tank drainage collection assembly comprises water retaining cloth and a collection tank, the water retaining cloth is hung around the periphery of the mud-water separation tank, and water discharged from the mud-water separation tank is drained to the bottom collection tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257464.XA CN110818219A (en) | 2019-12-10 | 2019-12-10 | Sludge dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257464.XA CN110818219A (en) | 2019-12-10 | 2019-12-10 | Sludge dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110818219A true CN110818219A (en) | 2020-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911257464.XA Pending CN110818219A (en) | 2019-12-10 | 2019-12-10 | Sludge dewatering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110818219A (en) |
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| JPH0685083U (en) * | 1993-05-17 | 1994-12-06 | 山根 正夫 | Filtration filter |
| KR101268665B1 (en) * | 2012-03-06 | 2013-05-29 | 주식회사 에코스타 | Filtering devices having concatenated things with filter layer |
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| CN107335256A (en) * | 2017-08-18 | 2017-11-10 | 郭俊海 | A kind of plate and frame type filter-press filter cloth for Treatment of Sludge |
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| JP2019025402A (en) * | 2017-07-28 | 2019-02-21 | フタムラ化学株式会社 | Filter body and manufacturing method thereof |
| CN109794167A (en) * | 2017-11-16 | 2019-05-24 | 湖南沁森高科新材料有限公司 | A kind of seawater desalination reverse osmosis membrane component and its method for coiling |
| CN109956571A (en) * | 2017-12-25 | 2019-07-02 | 福建金源泉科技发展有限公司 | Portable inner pressed ultrafiltration core cleaning water bag and method |
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2019
- 2019-12-10 CN CN201911257464.XA patent/CN110818219A/en active Pending
Patent Citations (14)
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|---|---|---|---|---|
| JPH0685083U (en) * | 1993-05-17 | 1994-12-06 | 山根 正夫 | Filtration filter |
| KR101268665B1 (en) * | 2012-03-06 | 2013-05-29 | 주식회사 에코스타 | Filtering devices having concatenated things with filter layer |
| JP2014000539A (en) * | 2012-06-20 | 2014-01-09 | Swing Corp | Filtration concentration system and operation method of filtration concentration system |
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| CN105859041A (en) * | 2016-05-18 | 2016-08-17 | 无锡城市发展集团有限公司 | Combined multi-level ecological unit system for deeply treating secondary effluent of sewage plant |
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