CN107151089B - Sludge squeezing system - Google Patents
Sludge squeezing system Download PDFInfo
- Publication number
- CN107151089B CN107151089B CN201710569169.2A CN201710569169A CN107151089B CN 107151089 B CN107151089 B CN 107151089B CN 201710569169 A CN201710569169 A CN 201710569169A CN 107151089 B CN107151089 B CN 107151089B
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- CN
- China
- Prior art keywords
- sludge
- mud
- pressure
- filter plate
- plate frame
- 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.)
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Classifications
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- 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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- 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
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
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- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sludge squeezing system in the field of environmental protection equipment, which comprises a sludge feeding, dosing, mixing and stirring system, a high-pressure filter press, a discharging, conveying and crushing system, an automatic control system, a high-pressure oil pressure propelling system and an air compression and cleaning system, wherein water-containing sludge is conveyed to the high-pressure filter press by a high-pressure plunger pump after being precipitated and conditioned by the sludge feeding, dosing, mixing and stirring system, is compressed and filtered by the high-pressure filter press, dehydrated sludge is output by the discharging, conveying and crushing system, the high-pressure filter press is composed of a plurality of filter plates which are arranged in parallel and can move back and forth relatively along the arrangement direction and an oil pressure propelling device, the sludge is input into a sludge bin of the filter plates by a high-pressure plunger pump, is squeezed by high pressure, and water flows out through a water-permeable filter plate water outlet. The invention has the characteristics of automatic production for improving sludge dewatering, high dewatering rate and the like.
Description
Technical Field
The invention relates to a sludge squeezing system in the field of environmental protection equipment.
Background
A large amount of municipal sludge can be generated in urban operation, the sludge contains a large amount of water, a sedimentation tank is adopted to carry out gravity separation on the generated sludge at present in China, then a squeezing method is adopted to carry out filtration, a drying technology is adopted to carry out dehydration, and the drying and dehydration can cause energy waste.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a sludge squeezing system adopting a mechanical dehydration technology, wherein the novel sludge squeezing system can improve the dehydration rate, and the dried sludge can meet the requirements of transportation and burning treatment.
The invention is realized by the following technical scheme:
the utility model provides a mud squeezes system, including mud feeding medicine mixing stirring system, high pressure filter press, ejection of compact transport crushing system, automatic control system, high-pressure oil pressure propulsion system and air compression clean system, the mud that contains water is deposited by mud feeding medicine mixing stirring system and is transferred to high pressure filter press by high pressure plunger pump after taking care, and mud is compressed and filtered by high pressure filter press, and dehydrated mud is carried crushing system output by ejection of compact, its characterized in that: the high-pressure filter press consists of a plurality of filter plates which are arranged in parallel and can relatively move back and forth along the arrangement direction and an oil pressure propelling device, wherein the filter plates are disc-shaped, a feed inlet is arranged in the middle of the filter plates, and each filter plate consists of a left half plate frame, a right half plate frame and an oil pressure propelling device which are adjacently arrangedWater permeable filter plateThe sludge bin with concave surface is arranged on the left half plate frame, the permeable filter plate with convex surface is arranged in the right half plate frame, and water is permeableThe lower part of the filter plate is provided with a water outlet, the contact surface of the inner side of the left half plate frame and the right half plate frame is provided with a sealing ring, a sealed sludge bin is formed between the left half plate frame and the right half plate frame, sludge is input into the sludge bin of the filter plate through a high-pressure plunger pump, water flows out through the water outlet of the water filter plate of the plunger pump through the high-pressure extrusion of the plunger pump, the first filtering compression is realized, the high-pressure plunger pump stops feeding, meanwhile, the high-pressure oil pressure propulsion system pushes the filter plate to push the high-pressure propulsion to one side, the water permeable filter plate in the right half plate frame compresses the sludge bin in the left half plate frame, water flows out from the water outlet of the water permeable filter plate, the second compression filtration is realized, the left half plate frame and the right half plate frame of the filter plate are separated by a filter plate bin opening mechanism, the sludge in the sludge bin is blown down by compressed air, and the dehydrated sludge is conveyed to the human bin by a discharging conveying and crushing system; the technical scheme is further described, and the sludge feeding, dosing, mixing and stirring system consists of a sludge sedimentation tank, a conditioning tank and a medicament tank; by further describing the technical scheme, the left half plate frame and the right half plate frame are connected through springs to play a role in talking-type stopping; the technical scheme is further described, and the automatic control system is controlled by a PLC (programmable logic controller) to realize automatic feeding, automatic squeezing, automatic discharging and automatic cleaning; the technical scheme is further described, and the air compression cleaning system adopts compressed air to automatically clean the permeable filter plate.
The invention has the characteristics of automatic production for improving sludge dewatering, high dewatering rate and the like.
Drawings
FIG. 1 is a block diagram of a high pressure filter press.
Fig. 2 is a diagram of a structure of a filter plate.
In the figure: the device comprises a hydraulic cylinder 1, a trolley push-pull machine 2, a frame 3, a movable plate 4, a left bracket 5, a plate frame 6, a lower support 7, a protective cover 8, a drainage air supply machine 9, a right support 10, a left half plate frame 11, a right half plate frame 12, a permeable filter plate 13, a sludge bin 14, a spring 15 and a feed inlet 16.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings:
the sludge squeezing system consists of a sludge feeding, dosing, mixing and stirring system, a high-pressure filter press, a discharging, conveying and crushing system, an automatic control system, a high-pressure oil pressure propulsion system and an air compression and cleaning system, municipal sludge enters a sedimentation tank to be concentrated to 90-95%, the sludge concentrated by the sedimentation tank is conveyed to a conditioning tank through a sludge pump, the conditioning tank is dosed with the medicament according to a proportion, the mixing and stirring system is arranged in the conditioning tank, the sludge in the conditioning tank after mixing and stirring is pumped by a high-pressure plunger pump press, the high-pressure filter press consists of a plurality of filter plates which are arranged in parallel and can relatively move back and forth along the arrangement direction and an oil pressure propulsion device, the sludge enters from a feed inlet in the middle of the filter plates, and the sludge is filtered through a permeable filter plate in the filter plates under the action of high pressure, A large amount of water flows out through the water outlet of the permeable filter plate, sludge is left in the sludge bin until the first high-pressure filtration is realized after the feeding is finished, meanwhile, a high-pressure oil pump at the other end is started, a high-pressure oil pressure propulsion system continuously carries out high-pressure propulsion on the filter plate, the pressure is increased to 8MPa, materials in the sludge bin of the filter plate are strongly compressed, the materials in the sludge bin are pressed out for the second time, the pressed water is automatically discharged through a pipeline, the filter plate is opened for discharging mud and automatically discharging the mud after the pressing is finished, the mud blocks fall into a discharging and conveying and crushing system to the bin, the water content of the produced sludge is 30% -60%, the whole process is 40 minutes, and the whole system is automatically controlled by a PLC (programmable logic controller), so that the automatic feeding, the automatic pressing, the automatic discharging and the automatic cleaning are realized.
The permeable filter plate in the filter plate adopts compressed air for automatic cleaning, so that the energy is saved and the environment is protected.
The system is efficient and energy-saving, municipal sludge containing 90% of water can be reduced to below 50% at a time, the reduction amount is more than 75%, and the working efficiency is 2-4 times that of a common filter press.
Claims (5)
1. The utility model provides a mud squeezes system, including mud feeding medicine mixing stirring system, high pressure filter press, ejection of compact transport crushing system, automatic control system, high-pressure oil pressure propulsion system and air compression clean system, the mud that contains water is deposited by mud feeding medicine mixing stirring system and is transferred to high pressure filter press by high pressure plunger pump after taking care, and mud is compressed and filtered by high pressure filter press, and dehydrated mud is carried crushing system output by ejection of compact, its characterized in that: the high-pressure filter press constitute by a plurality of parallel arrangement and can follow the relative movement filter plate and oil pressure advancing device around the range direction, the filter plate be discoid, be the feed inlet in the middle of the filter plate, the filter plate comprises the left half plate frame of adjacent range, right half plate frame and the filter plate that permeates water, left half plate frame is equipped with the sludge bin of concave surface, be equipped with the filter plate that permeates water of convex surface in the right half plate frame, the filter plate lower part that permeates water is equipped with the outlet, left half plate frame inboard and right half plate frame contact surface are equipped with the sealing washer, form inclosed sludge bin between left half plate frame and the right half plate frame, the mud is through the mud bin of high-pressure plunger pump input filter plate, high-pressure extrusion through plunger pump water filter plate outlet outflow, realize first filtration compression, the high-pressure plunger pump stops the feeding, the filter plate is to the high-pressure propulsion to one side to the filter plate, the sludge bin in the filter plate compression left half plate frame in the right half plate frame simultaneously, the water is flowed by the outlet of filter plate, realize the second compression filtration, the left half plate frame and right half plate frame of filter plate frame separation of filter plate mechanism with the filter plate, the mud bin mechanism is blown down the mud system of the mud is smashed to the mud that the mud falls down by the compression air system of the mud of the system of the mud that the mud is blown out.
2. The sludge press system of claim 1 wherein: the sludge feeding, dosing, mixing and stirring system consists of a sludge sedimentation tank, a conditioning tank and a medicament tank.
3. The sludge press system of claim 1 wherein: the left half plate frame and the right half plate frame are connected through springs.
4. The sludge press system of claim 1 wherein: the automatic control system is controlled by a PLC.
5. The sludge press system of claim 1 wherein: the air compression cleaning system adopts compressed air to automatically clean the permeable filter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569169.2A CN107151089B (en) | 2017-07-13 | 2017-07-13 | Sludge squeezing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710569169.2A CN107151089B (en) | 2017-07-13 | 2017-07-13 | Sludge squeezing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107151089A CN107151089A (en) | 2017-09-12 |
| CN107151089B true CN107151089B (en) | 2023-07-28 |
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ID=59796863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710569169.2A Active CN107151089B (en) | 2017-07-13 | 2017-07-13 | Sludge squeezing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107151089B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746456A (en) * | 2016-12-21 | 2017-05-31 | 徐州工程学院 | A kind of sludge dehydration device and its method of work based on Controlled by Programmable Controller |
| CN110316916A (en) * | 2019-05-27 | 2019-10-11 | 东莞市太龙湾建设工程有限公司 | A kind of sludge ecology treatment depth treatment process and system |
| CN110217964A (en) * | 2019-06-03 | 2019-09-10 | 广东恒鑫智能装备股份有限公司 | A kind of sludge dewatering extrusion die |
| CN110550840B (en) * | 2019-09-26 | 2024-03-01 | 江苏矿源环保科技有限公司 | Sludge wall breaking device and wall breaking method for deep squeezing of sludge |
| CN112499928A (en) * | 2021-01-21 | 2021-03-16 | 东营盛丰环保科技有限公司 | Oily sludge deoiling, dewatering and decrement treatment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10337429A (en) * | 1997-06-09 | 1998-12-22 | Teraru Kyokuto:Kk | Method for filtering basin water by compression cleaning and device therefor |
| CN102276129A (en) * | 2011-05-26 | 2011-12-14 | 浙江欧可美科技股份有限公司 | Integrated sludge treatment method and apparatus thereof |
| CN105776812A (en) * | 2016-05-24 | 2016-07-20 | 王树岩 | Method and equipment for dewatering municipal sludge with high dryness |
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- 2017-07-13 CN CN201710569169.2A patent/CN107151089B/en active Active
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| Publication number | Publication date |
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| CN107151089A (en) | 2017-09-12 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230630 Address after: 528441 In Xiawei Ecological and Environmental Protection Industrial Park, Shazi Village, Minmin Town, Zhongshan City, Guangdong Province Applicant after: Zhongshan citizen East organic waste treatment Co.,Ltd. Address before: Room 110, Area F, Floor 1, Building 12, No. 1097, Qing'an Road, Qingpu District, Shanghai, 200000 Applicant before: SHANGHAI RONGPU ENVIRONMENT TECHNOLOGY CO.,LTD. |
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