CN108245952A - Sludge drying filter press - Google Patents
Sludge drying filter press Download PDFInfo
- Publication number
- CN108245952A CN108245952A CN201810355586.1A CN201810355586A CN108245952A CN 108245952 A CN108245952 A CN 108245952A CN 201810355586 A CN201810355586 A CN 201810355586A CN 108245952 A CN108245952 A CN 108245952A
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- China
- Prior art keywords
- filter
- plate assembly
- filter plate
- cylinder
- press filtration
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/003—Filters formed by clamping together several filtering elements or parts of such elements integrally combined with devices for controlling the filtration
-
- 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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of sludge drying filter press, it is characterized in that：Including rack, filter-pressing device, feeding mechanism, conveying device and self-con-tained unit, the filter-pressing device includes hydraulic cylinder, press filtration cylinder, upper filter plate assembly and lower filter plate assembly, the hydraulic cylinder is connect with hydraulic station, hydraulic cylinder is fixed in frame top, the hydraulic column bottom apex of hydraulic cylinder is connected with filter plate assembly, and the inner cavity of the upper filter plate assembly and press filtration cylinder is slidably matched；The frame lower is equipped with conveying device, and the press filtration cylinder side wall is connected with feeding mechanism, and the conveying device includes idler wheel and the filter cloth conveyer belt being sleeved on idler wheel.Advantageous effect：The present invention is moved using the piston of ultrahigh pressure cylinder, increase sludge compression ratio to the maximum extent, improve dewatering rate, under normal temperature condition, realize charging, squeezing, filtering, discharging, conveying and etc. mechanical automation, it ensure that material dehydration and drying under the high oil pressure of more than 20MPa, complete separation of solid and liquid operation up to standard.
Description
Technical field
The invention belongs to Treatment of Sludge more particularly to a kind of sludge drying filter presses.
Background technology
The common process of dewatered sludge is：Sludge leads to after belt filter press or filter centrifugal or plate and frame filter press desiccation
Conveyer collection is crossed, is then resent to heap mud field.Above-mentioned treatment process there are the problem of be：1st, sludge is through ordinary belt press filtration
After machine or filter centrifugal desiccation, for usual moisture content 80% or so, the extruding filter pressure suffered by sludge is relatively low, can not improve
Dehydrating effect；2nd, common plate and frame filter press and diaphragm plate frame filter press add in sludge by high-pressure pump, contain after municipal sludge press filtration
Water rate is typically larger than 65%.Sludge is under conditions of lime is added, moisture content reaches 60% or so, and sludge treatment cost increases,
Manure resources can not be used as after sludge addition lime；3rd, plate and frame filter press generally adds in sludge, work by the high-pressure pump of 2MPa
Time long high energy consumption.The second-compressed ratio of diaphragm plate frame filter press is small, is the fatal defects of sludge press filtration dehydration, and the effect that works
The low occupancy solid space of rate is larger.Patent document publication number 107673579A discloses a kind of Intelligent sludge desiccation machine, including heat
Pump installation and drying device, the heat pump assembly include compressor, condenser, evaporator and refrigerant, it is characterised in that：It is described
Drying device includes air, wind turbine and guipure, and the air first passes through the condenser heating of the heat pump assembly, then by described
After wind turbine pressurization, removal moisture drying, evaporator of the humid air of generation through the heat pump assembly are carried out to the sludge on the guipure
Condensation water and air is separated into after condensation, for the condensed water through being arranged outside drainpipe, the air reenters the heat pump assembly
Condenser circulating-heating.Patent document publication number 203625218U discloses a kind of sludge drying machine, it is characterised in that：Including
There is desiccation room to heat room with circulated air, desiccation ceiling portion is equipped with hot-wind inlet, and nearly bottom position is equipped with circulated air and exports and mend
Wind entrance is filled, bottom is equipped with the outlet of supplement wind, if parallel from top to bottom and staggered is provided with dried layer by frequency conversion in desiccation room
Desiccation room is stretched out in motor-driven stainless (steel) wire belt transfer station, the transmission end of the stainless (steel) wire belt transfer station of the bottom,
Circulated air heating ceiling portion is equipped with hot-blast outlet, and bottom is equipped with mixing wind entrance, and circulated air heating interior is provided with to be connected with heat source
The heat exchanger connect, the hot-wind inlet of hot-blast outlet and the desiccation room of circulated air heating room is by being equipped with air-introduced machine and waste discharge mouth
Air duct connects, and the mixing wind of room bottom is heated in the circulated air outlet and the outlet of supplement wind of desiccation room by air duct and circulated air respectively
Entrance connects.The above-mentioned prior art is the drying and other treatment under the conditions of non-room temperature, complex process, energy consumption, and operation cost is high；Simultaneously
Corollary equipment is more, takes up a large area；Flue gas, foul smell can be generated in heating process, pollutes environment.
Invention content
It is an object of the invention to overcome the shortcomings of above-mentioned technology, and a kind of sludge drying filter press is provided, in room temperature item
Under part, moved using the piston of more than 20MPa ultrahigh pressure cylinders, increase sludge compression ratio to the maximum extent, ensure that material takes off
Separation of solid and liquid operation up to standard is completed in water desiccation.
The present invention to achieve the above object, using following technical scheme：A kind of sludge drying filter press, it is characterized in that：Packet
Including rack, filter-pressing device, feeding mechanism, conveying device and self-con-tained unit, the filter-pressing device include hydraulic cylinder, press filtration cylinder, on
Filter plate assembly and lower filter plate assembly, the hydraulic cylinder are connect with hydraulic station, and hydraulic cylinder is fixed in frame top, the hydraulic pressure of hydraulic cylinder
Column bottom top is connected with filter plate assembly, and the inner cavity of the upper filter plate assembly and press filtration cylinder is slidably matched；The frame lower
Equipped with conveying device, the press filtration cylinder side wall is connected with feeding mechanism, and the conveying device includes idler wheel and is sleeved on idler wheel
Filter cloth conveyer belt, feeding mechanism, filter-pressing device and conveying device are connect with self-con-tained unit.
The rack include door shaped stent and bottom bracket, the hydraulic cylinder of door shaped stent top braces filter-pressing device, rack
Bottom bracket supports the conveying device of its bottom and press filtration cylinder.
The feeding mechanism includes mouthpiece and four linked hydraulic columns, and the press filtration cylinder side wall is equipped with charging hole, charging
Hole is connect with mouthpiece, and mouthpiece one end is connected with check-valves, and the linked hydraulic column top is distributed on door shaped stent respectively,
Linked hydraulic column bottom is connect with press filtration cylinder bottom portion.
The upper filter plate assembly includes sequentially connected flexible filter cloth, rigid screen and steel filter plate from top to bottom, upper filter
Plate assembly surface is evenly equipped with weep hole, and drainpipe is equipped with above upper filter plate assembly, and filter plate assembly is made to have unidirectional filtering upwards
Drain function；The lower filter plate assembly includes sequentially connected flexible filter cloth, rigid screen, steel filter plate and steel from top to bottom
Supporting plate, the lower filter plate assembly have quick downward hydrophobic function, and lower filter plate assembly is mounted on bottom bracket, and holds filter upwards
On the inside of cloth conveyer belt；Catch basin is equipped with below the lower filter plate assembly.
Backwash mechanism is equipped on the inside of the filter cloth conveyer belt of the conveying device, being equipped with recoil below backwash mechanism catchments
Slot.
The self-con-tained unit includes switch board and alarm, and alarm is placed on switch board, and switch board is to workflow reality
Apply Automatic Control.
Advantageous effect：Compared with prior art, the present invention is moved using the piston of more than 20MPa ultrahigh pressure cylinders, maximum
Increase to limit sludge compression ratio, improve dewatering rate.By rack, filter-pressing device, feeding mechanism, conveying device and from
Control device integration synergistic effect, under normal temperature condition, realize charging, squeezing, filtering, discharging, conveying and etc. machinery
Automation ensure that material dehydration and drying under the high oil pressure of more than 20MPa, complete separation of solid and liquid operation up to standard；Simple in structure,
Reasonable design, and system entirety occupied ground is small, it is at low cost to save space, operational management.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the vertical view of the present invention；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the partial sectional view of upper and lower filter plate assembly in Fig. 1；
Fig. 5 is the automatic control work block diagram of the present invention.
In figure：1A, door shaped stent, 1B, bottom bracket, 2A, mouthpiece, 2B, press filtration cylinder, 2C, linked hydraulic column, 2D, non-return
Valve, 3A, hydraulic station, 3B, hydraulic cylinder, 3C, upper filter plate assembly, 3C-1, flexible filter cloth, 3C-2, rigid screen, 3C-3, steel filter
Plate, 3C-4, weep hole, 3D, lower filter plate assembly, 3D-1, flexible filter cloth, 3D-2, rigid screen, 3D-3, steel filter plate, 3D-4,
Steel supporting plate, 3E, drainpipe, 3F, catch basin, 4A, idler wheel, 4B, filter cloth conveyer belt, 5A, backwash mechanism, 5B, recoil are catchmented
Slot, 6A, switch board, 6B, alarm.
Specific embodiment
With reference to the preferred embodiment specific embodiment that the present invention will be described in detail.
Attached drawing 1~4 is referred to, a kind of sludge drying filter press is present embodiments provided, including rack, filter-pressing device, charging
Mechanism, conveying device and self-con-tained unit, the filter-pressing device include hydraulic cylinder 3B, press filtration cylinder 2B, upper filter plate assembly 3C and lower filter
Plate component 3D, the hydraulic cylinder are connect with hydraulic station 3A, and hydraulic station output pressure is the hydraulic pressure of more than 20MPa, and hydraulic cylinder is affixed
In frame top, the hydraulic column bottom apex of hydraulic cylinder is connected with filter plate assembly, and the upper filter plate assembly is interior with press filtration cylinder
Chamber is slidably matched；The frame lower is equipped with conveying device, and the press filtration cylinder side wall is connected with feeding mechanism, the conveying device
Including idler wheel 4A and the filter cloth conveyer belt 4B being sleeved on idler wheel, feeding mechanism, filter-pressing device and conveying device and self-con-tained unit
Connection.The rack includes door shaped stent 1A and bottom bracket 1B, the hydraulic cylinder 3B of door shaped stent top braces filter-pressing device, rack
Bottom bracket support the conveying device of its bottom and press filtration cylinder.Feeding mechanism described in the present embodiment includes mouthpiece 2A and four
Linked hydraulic column 2C, the press filtration cylinder side wall are equipped with charging hole, and charging hole is connect with mouthpiece 2A, and mouthpiece one end is connected with only
Valve 2D is returned, the linked hydraulic column top is distributed on respectively on door shaped stent 1A, linked hydraulic column bottom and press filtration cylinder 2B bottoms
Connection.The upper filter plate assembly includes sequentially connected flexible filter cloth 3C-1, rigid screen 3C-2 and steel filter plate from top to bottom
3C-3, upper filter plate assembly surface are evenly equipped with weep hole 3C-4, are equipped with drainpipe above upper filter plate assembly, have filter plate assembly
Unidirectional filtering drain function upwards；The lower filter plate assembly includes sequentially connected flexible filter cloth 3D-1, rigidity filter from top to bottom
3D-2, steel filter plate 3D-3 and steel supporting plate 3D-4 are netted, the lower filter plate assembly has quick downward hydrophobic function, lower filter plates
Part is mounted on bottom bracket 1B, and is held upwards on the inside of filter cloth conveyer belt；Catch basin 3F is equipped with below the lower filter plate assembly.
The preferred embodiment of the present embodiment is backwash mechanism 5A to be equipped on the inside of the filter cloth conveyer belt of the conveying device, instead
Recoil catch basin 5B is equipped with below flushing machine.
The preferred embodiment of the present embodiment is that the self-con-tained unit includes switch board 6A and alarm 6B, and alarm is placed in control
On cabinet processed, switch board implements Automatic Control to workflow.
Workflow
Attached drawing 5 is referred to, after material is by pretreatment, is dehydrated, realizes under normal temperature condition, to sludge through high level cadre's vertical type blotter press
The dehydration and drying of continuous high-pressure, is as follows：
1) after automatic control system starts, the vertical downlink of control hydraulic station driving linked hydraulic column, multiple linked hydraulic columns
Gentle simultaneously to drive the vertical downlink of press filtration cylinder, press filtration cylinder compresses lower filter plate assembly；
2) sludge is conveyed through mouthpiece into press filtration cylinder by sludge pump, and after into mud delayed startup, hydraulic cylinder drives bottom
Upper filter plate assembly vertical depression, the check-valves among mouthpiece is automatically closed；
3) filter press is coordinated with press filtration cylinder precision suit by upper filter plate assembly, is oriented to each other, to the sludge in press filtration cylinder
The hydraulic pressures for vertically applying more than 20MPa repeatedly are squeezed, and filtrate is expelled directly out simultaneously from upper and lower filter plate assembly, sludge
Moisture content quickly reduces；
4) after the completion of squeezing, filter action are by program control, hydraulic cylinder drives the vertical uplink of upper filter plate assembly of bottom,
After reaching limiting height, press filtration cylinder starts vertical uplink；
5) after press filtration cylinder reaches limiting height, robot control system(RCS) realizes that filter cloth conveys V belt translation by roller driving device,
Automatic transportation sludge is to the next step, while back purge system sprays water with high pressure downwards, rinses filter cloth conveyer belt, is conducive to sludge
Dehydration efficiency obtains lasting guarantee；
6) after start-up study is conveyed, filter cloth conveyer belt stops, and simultaneously closes off back purge system, performs next cycle
Automatic production control procedures.
Embodiment
High level cadre's vertical type blotter press is tested by workflow：The adjustable hydraulic of 20~30MPa, press filtration are used with 1 ㎡ press filtrations cylinder
The Sludge Surface sprinkling biological agent of cylinder inner height 80mm, moisture content 80%~85%, after squeezing 10~15 minutes repeatedly, city
Political affairs moisture percentage in sewage sludge is less than 55%, and industrial sludge moisture content is less than 40%, and river bed moisture percentage in sewage sludge is less than 30%；Work as municipal sludge
After a certain proportion of hydrophobic element of increment, moisture content is further below 50%.
The above-mentioned detailed description carried out with reference to embodiment to a kind of sludge drying filter press is illustrative rather than limit
Qualitatively, several embodiments, therefore the variation in the case where not departing from present general inventive concept can be enumerated according to limited range
And modification, it should belong within protection scope of the present invention.
Claims (6)
1. a kind of sludge drying filter press, it is characterized in that：It is filled including rack, filter-pressing device, feeding mechanism, conveying device and automatic control
It puts, the filter-pressing device includes hydraulic cylinder, press filtration cylinder, upper filter plate assembly and lower filter plate assembly, and the hydraulic cylinder connects with hydraulic station
It connects, hydraulic cylinder is fixed in frame top, and the hydraulic column bottom apex of hydraulic cylinder is connected with filter plate assembly, the upper filter plate assembly
It is slidably matched with the inner cavity of press filtration cylinder；The frame lower is equipped with conveying device, and the press filtration cylinder side wall is connected with feeding mechanism,
The conveying device includes idler wheel and the filter cloth conveyer belt that is sleeved on idler wheel, feeding mechanism, filter-pressing device and conveying device with
Self-con-tained unit connects.
2. sludge drying filter press according to claim 1, it is characterized in that：The rack includes door shaped stent and subiculum
Frame, the hydraulic cylinder of door shaped stent top braces filter-pressing device, the bottom bracket of rack support conveying device and the press filtration of its bottom
Cylinder.
3. sludge drying filter press according to claim 1, it is characterized in that：The feeding mechanism includes mouthpiece and four
Linked hydraulic column, the press filtration cylinder side wall are equipped with charging hole, and charging hole is connect with mouthpiece, and mouthpiece one end is connected with non-return
Valve, the linked hydraulic column top are distributed on door shaped stent respectively, and linked hydraulic column bottom is connect with press filtration cylinder bottom portion.
4. sludge drying filter press according to claim 1, it is characterized in that：The upper filter plate assembly include from top to bottom according to
Flexible filter cloth, rigid screen and the steel filter plate of secondary connection, upper filter plate assembly surface are evenly equipped with weep hole, upper filter plate assembly top
Equipped with drainpipe, make filter plate assembly that there is unidirectional filtering drain function upwards；The lower filter plate assembly include from top to bottom according to
Flexible filter cloth, rigid screen, steel filter plate and the steel supporting plate of secondary connection, the lower filter plate assembly have quick hydrophobic work(downwards
Can, lower filter plate assembly is mounted on bottom bracket, and is held upwards on the inside of filter cloth conveyer belt；Collection is equipped with below the lower filter plate assembly
Sink.
5. sludge drying filter press according to claim 1, it is characterized in that：On the inside of the filter cloth conveyer belt of the conveying device
Equipped with backwash mechanism, recoil catch basin is equipped with below backwash mechanism.
6. sludge drying filter press according to claim 1, it is characterized in that：The self-con-tained unit includes switch board and alarm
Device, alarm are placed on switch board, and switch board implements Automatic Control to workflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355586.1A CN108245952A (en) | 2018-04-19 | 2018-04-19 | Sludge drying filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355586.1A CN108245952A (en) | 2018-04-19 | 2018-04-19 | Sludge drying filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108245952A true CN108245952A (en) | 2018-07-06 |
Family
ID=62748153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355586.1A Pending CN108245952A (en) | 2018-04-19 | 2018-04-19 | Sludge drying filter press |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264961A (en) * | 2018-11-29 | 2019-01-25 | 湖北双航机电装备科技有限公司 | A kind of sludge dehydration device and method |
| CN109704538A (en) * | 2019-02-03 | 2019-05-03 | 华汇生态环境产业有限公司 | Sludge press filtration cylinder and filter press |
| CN110066087A (en) * | 2019-04-23 | 2019-07-30 | 武汉科技大学 | A kind of automatic discharging and clean sludge press filtration device |
| CN110090480A (en) * | 2019-05-27 | 2019-08-06 | 贝莱特空调有限公司 | One kind pressing dry filter press |
| CN110217966A (en) * | 2019-06-03 | 2019-09-10 | 广东恒鑫智能装备股份有限公司 | A kind of automatic cleaning type sludge extrusion die |
| CN110255846A (en) * | 2019-06-19 | 2019-09-20 | 杨红兵 | A kind of method and device thereof of sewage treatment residual active sludge low temperature desiccation |
| CN111675456A (en) * | 2020-06-12 | 2020-09-18 | 杭州国泰环保科技股份有限公司 | Device and method for preparing covering soil of landfill from sludge |
| CN113350889A (en) * | 2021-07-07 | 2021-09-07 | 朱婧 | Municipal sludge energy-saving drying device |
| CN113476923A (en) * | 2021-07-30 | 2021-10-08 | 中国水产科学研究院黑龙江水产研究所 | Lake ecological remediation sediment removal device |
| CN114940569A (en) * | 2022-05-26 | 2022-08-26 | 马鞍山钢铁股份有限公司 | Drying and resource utilization method for oil-containing hot-rolled sludge |
| CN117482610A (en) * | 2024-01-02 | 2024-02-02 | 中信重工机械股份有限公司 | Squeezing device of ore pulp grade instrument and filter cake squeezing method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264961A (en) * | 2018-11-29 | 2019-01-25 | 湖北双航机电装备科技有限公司 | A kind of sludge dehydration device and method |
| CN109704538A (en) * | 2019-02-03 | 2019-05-03 | 华汇生态环境产业有限公司 | Sludge press filtration cylinder and filter press |
| CN110066087A (en) * | 2019-04-23 | 2019-07-30 | 武汉科技大学 | A kind of automatic discharging and clean sludge press filtration device |
| CN110066087B (en) * | 2019-04-23 | 2021-09-03 | 武汉科技大学 | Automatic unloading and clear mud filter pressing device |
| CN110090480A (en) * | 2019-05-27 | 2019-08-06 | 贝莱特空调有限公司 | One kind pressing dry filter press |
| CN110217966A (en) * | 2019-06-03 | 2019-09-10 | 广东恒鑫智能装备股份有限公司 | A kind of automatic cleaning type sludge extrusion die |
| CN110255846B (en) * | 2019-06-19 | 2022-03-22 | 杨红兵 | Low-temperature drying method and device for residual activated sludge in sewage treatment |
| CN110255846A (en) * | 2019-06-19 | 2019-09-20 | 杨红兵 | A kind of method and device thereof of sewage treatment residual active sludge low temperature desiccation |
| CN111675456A (en) * | 2020-06-12 | 2020-09-18 | 杭州国泰环保科技股份有限公司 | Device and method for preparing covering soil of landfill from sludge |
| CN111675456B (en) * | 2020-06-12 | 2022-05-24 | 杭州国泰环保科技股份有限公司 | Device and method for preparing covering soil of landfill from sludge |
| CN113350889A (en) * | 2021-07-07 | 2021-09-07 | 朱婧 | Municipal sludge energy-saving drying device |
| CN113350889B (en) * | 2021-07-07 | 2022-07-19 | 朱婧 | Municipal sludge energy-saving drying device |
| CN113476923A (en) * | 2021-07-30 | 2021-10-08 | 中国水产科学研究院黑龙江水产研究所 | Lake ecological remediation sediment removal device |
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| CN114940569B (en) * | 2022-05-26 | 2023-10-27 | 马鞍山钢铁股份有限公司 | Oil-containing hot-rolled sludge drying and resource utilization method |
| CN117482610A (en) * | 2024-01-02 | 2024-02-02 | 中信重工机械股份有限公司 | Squeezing device of ore pulp grade instrument and filter cake squeezing method |
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