CN113024078A - Selection device for flocculating agent used for filter-pressing dehydration treatment of engineering slurry - Google Patents
Selection device for flocculating agent used for filter-pressing dehydration treatment of engineering slurry Download PDFInfo
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- CN113024078A CN113024078A CN202110316100.5A CN202110316100A CN113024078A CN 113024078 A CN113024078 A CN 113024078A CN 202110316100 A CN202110316100 A CN 202110316100A CN 113024078 A CN113024078 A CN 113024078A
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- pipe
- mud
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- flocculating agent
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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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- 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
Abstract
A selection device of a flocculating agent for filter-pressing dehydration treatment of engineering mud comprises: base, locate the semi-sealed section of thick bamboo of base top, locate the lid of semi-sealed section of thick bamboo opening side, semi-sealed bobbin base portion is equipped with agitating unit, be equipped with into mud pipe, be used for adding the interpolation pipe of flocculating agent, be used for inflating pressurized intake pipe and drainage observation device to semi-sealed section of thick bamboo on the lid, drainage observation device includes: a fill mud pipe, drain pipe for making mud pressurized entering in the semi-sealed section of thick bamboo, fill in mud pipe one end inserts and stretches into the semi-sealed section of thick bamboo behind the lid, another tip is equipped with a sealed wall, and this sealed wall inboard is equipped with a permeable stone, and is equipped with a round hole that is used for making water to see through on this sealed wall, the drain pipe is through this round hole with fill mud pipe intercommunication. This selection device of used flocculating agent of engineering mud filter-pressing dehydration processes through observing the liquid level height of drain pipe side, can be fast accurate select out required flocculating agent, practiced thrift the manpower when working hour.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a dehydration treatment device, in particular to a selection device of a flocculating agent for filter-pressing dehydration treatment of engineering slurry.
[ background of the invention ]
With the great advance of urban progress and ecological civilization construction, engineering projects such as new construction and widening of port channels, lake dredging and the like are also continuously developed, the amount of dredging sludge generated each year reaches hundreds of billions of cubic meters, meanwhile, because the engineering construction has a large amount of engineering sludge everywhere (the dredging sludge and the engineering sludge are collectively called as ultrahigh-water-content sludge hereinafter), the problem of tail end disposal of the ultrahigh-water-content sludge is always puzzled in the engineering field. At present, the ultrahigh water content sludge is dewatered and reduced by a plate-and-frame compressor, and other reagents such as flocculating agents are often added into the sludge in order to improve the dewatering efficiency of the sludge and seek a resource utilization way. The selection of the type and the amount of the flocculant has a crucial influence on the treatment efficiency.
At present, the method for rapidly determining the type and the mixing amount of the flocculating agent in the engineering field comprises a beaker test and the like. In the beaker test, different doping amounts of the same flocculant or the same doping amount of different flocculants are added into a plurality of beakers filled with slurry with the same volume, and the beakers are stirred and then stand for a certain time to observe supernatant liquid to judge the effect of the flocculant, so that the type and the doping amount of the flocculant are determined. The beaker test has the following two defects: (1) the method is inaccurate, and when the water content in the slurry is small, the mud-water interface is not obvious, so that the good and bad effects are difficult to distinguish; (2) the slurry in the beaker test is in a state of self weight, which is quite different from the state of load of the plate and frame filter press. Therefore, a selection device capable of quickly and accurately selecting the flocculating agent in the filter-pressing dehydration treatment process of the engineering slurry is urgently needed.
[ summary of the invention ]
In order to solve the problems, the invention provides a selection device of a flocculating agent for filter pressing dehydration treatment of engineering mud, which is characterized in that after the engineering mud and the flocculating agent are fully stirred, the mud in a semi-sealed cylinder is pressurized by inflating a pressure pump, so that the pressurized mud enters a mud filling pipe and is discharged into a water discharge pipe along a permeable stone, the more water is discharged in the same time, the higher the liquid level of the water discharge pipe is, and the better the effect of the flocculating agent is shown, therefore, the flocculating agent can be quickly and accurately selected, and the better the time is saved.
The invention is realized by the following technical scheme, and provides a selection device of a flocculating agent for filter-pressing dehydration treatment of engineering mud, which comprises the following steps: base, locate the semi-sealed section of thick bamboo of base top, locate semi-sealed section of thick bamboo opening side's lid, the bottom of semi-sealed section of thick bamboo is equipped with the pivot through motor control, and this pivot lateral wall evenly is equipped with at least three stirring rod, be equipped with on the lid be used for making engineering mud get into semi-sealed section of thick bamboo advance the mud pipe, be used for adding the interpolation pipe of flocculating agent, be used for inflating pressurized intake pipe and drainage observation device to semi-sealed section of thick bamboo, advance the mud pipe, add and all be equipped with the valve in pipe, the intake pipe, just an end connection force pump of intake pipe, drainage observation device includes: a fill mud pipe, outer wall for making mud pressurized entering in the semi-sealed section of thick bamboo and be equipped with the drain pipe of scale, fill in mud pipe one end insert the lid after stretch into the semi-sealed section of thick bamboo, another tip is equipped with a seal wall, this seal wall inboard is equipped with a permeable stone, and offers a round hole that is used for making water to see through on this seal wall, the drain pipe through this round hole with fill mud pipe intercommunication.
Particularly, semi-sealed section of thick bamboo, drain pipe all adopt organic glass to make and form, and it is cylindrical, lid, fill mud pipe all adopt the aluminum alloy to make and form, and this lid and semi-sealed section of thick bamboo adopt bolted connection as an organic whole.
Particularly, the opening side of the semi-sealed cylinder body extends outwards to form a connecting wall, the positions of the connecting wall, which are in contact with the cover, are respectively provided with a containing groove, and a sealing ring is arranged in the containing groove.
Particularly, the diameter of the outer wall of the semi-sealing cylinder is 400mm, the wall thickness is 10-15mm, the height is 400mm, the inner diameter of the mud filling pipe is 50mm, the length is 200mm, the depth of the mud filling pipe inserted into the semi-sealing cylinder is 150mm, and the diameter of the round hole is 15 mm.
In particular, a support leg is arranged below the base.
Particularly, the top of the stirring rod is not contacted with the lowest end of the mud filling pipe.
The invention provides a selection device of a flocculating agent for filter pressing and dewatering treatment of engineering mud, which is characterized in that concentrated mud and the flocculating agent are sequentially added into a container and stirred, then the pressure pump is used for inflating to ensure that the stirred mud in a semi-sealed cylinder is pressed, after the mud is pressed, water entering a mud filling pipe is discharged to a drain pipe through a permeable stone, the more the water is discharged in the same time, the higher the liquid level of the drain pipe is, and the better the effect of the flocculating agent is. The selection device can provide the same load condition as that of the plate and frame filter press during working after inflation and pressurization, and the provided observation indexes are more visual and accurate, so that the types and the mixing amount of the flocculating agent can be quickly and preferably selected aiming at different types of engineering mud, and the filter pressing efficiency can be improved.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a device for selecting a flocculating agent for filter-pressing and dewatering engineering sludge according to the present invention;
FIG. 2 is a schematic structural diagram of a drainage observation device in a device for selecting a flocculating agent for filter-pressing and dewatering of engineering sludge.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
Referring to fig. 1-2, the present invention provides a device for selecting a flocculant for filter-pressing and dewatering engineering sludge, comprising: base 1, locate the semi-sealed section of thick bamboo 2 of base 1 top, locate semi-sealed section of thick bamboo opening side's lid 3, the bottom of semi-sealed section of thick bamboo 2 is equipped with the pivot (not marking in the picture) of controlling through motor (not shown in the picture), and this pivot lateral wall evenly is equipped with at least three stirring rod 4, be equipped with on the lid 3 and be used for making engineering mud get into the mud pipe 5 that advances in the semi-sealed section of thick bamboo 2, be used for adding the interpolation pipe 6 of flocculating agent, be used for inflating pressurized intake pipe 7 and drainage observation device to semi-sealed section of thick bamboo 2, it all is equipped with the valve on mud pipe 5, the interpolation pipe 6, the intake pipe 7, just an end connection force pump of intake pipe 7, drainage observation device includes: a drain pipe 9 that is used for making mud pressurized entering fill mud pipe 8, the outer wall in the semi-sealed section of thick bamboo 2 and is equipped with the scale, fill in mud pipe 8 one end insert behind the lid 3 stretch into semi-sealed section of thick bamboo 2, another tip is equipped with a sealed wall, this sealed wall inboard is equipped with a permeable stone 10, and has seted up a round hole (not shown in the figure) that is used for making water to permeate through on this sealed wall, drain pipe 9 through this round hole with fill mud pipe 8 intercommunication.
Particularly, the semi-sealed cylinder 2 and the drain pipe 9 are made of organic glass and are cylindrical, the cover 3 and the mud filling pipe 8 are made of aluminum alloy, and the cover 3 and the semi-sealed cylinder 2 are connected into a whole through bolts; so design, can be more audio-visual the stirring condition and the dehydration condition of observing flocculating agent and engineering mud, the cylindrical semi-closed section of thick bamboo is convenient for wash at the later stage simultaneously, and the mud pipe that fills of aluminum alloy can avoid mud to lead to the fact the friction and produce the mar to filling the mud pipe, and the later stage of being not convenient for is washd.
Particularly, the opening side of the semi-sealed cylinder 2 extends outwards to form a connecting wall, the connecting wall and the cover 3 are respectively provided with a receiving groove (not shown), and a sealing ring (not shown) is arranged in the receiving groove; so design, the semi-sealed section of thick bamboo of being convenient for and lid zonulae occludens, and the design of sealing washer can guarantee that the leakproofness between semi-sealed section of thick bamboo and the lid is better simultaneously, provides the guarantee for the later stage pressurizes.
Particularly, the diameter of the outer wall of the semi-sealed cylinder 2 is 400mm, the wall thickness is 10-15mm, the height is 400mm, the inner diameter of the mud filling pipe 8 is 50mm, the length is 200mm, the depth of the mud filling pipe inserted into the semi-sealed cylinder 2 is 150mm, and the diameter of the round hole is 15 mm; so design, the operation of being convenient for can ensure simultaneously to fill mud pipe tip and can fully contact completely with the mixture of mud and flocculating agent, makes things convenient for the mixture to get into and fills mud pipe.
In particular, a foot 11 is arranged below the base 1.
Particularly, the top of the stirring rod 4 is not contacted with the lowest end of the mud filling pipe 8; so design can prevent in operation process, the stirring rod produces the touching with filling mud pipe and makes filling mud pipe produce and rock and make the influence select the result or increase operating duration.
In the invention, the connecting positions of the mud inlet pipe 5, the adding pipe 6, the air inlet pipe 7, the mud filling pipe 8 and the cover adopt a welding technology to ensure the sealing property between the semi-sealed cylinder and the cover and provide guarantee for later pressurizing. Before the device is used, selecting a plurality of devices, firstly opening valves at a mud inlet pipe and an adding pipe of each device, adding engineering mud into a semi-sealed cylinder through the mud inlet pipe after cyclone screening, wherein the adding amount is just enough if the engineering mud does not pass through the end part of a mud filling pipe, and the adding amount of the engineering mud in each semi-sealed cylinder is kept consistent; then adding flocculating agents through the adding pipes, wherein the flocculating agents added in each device are different doping amounts of the same flocculating agent or the same doping amounts of different flocculating agents; then, the stirring rod is powered on, starts to work, so that the engineering slurry is fully contacted with the flocculating agent, valves at the sludge inlet pipe and the adding pipe are closed, a valve at the air inlet pipe is opened, a pressure pump is started to inflate and pressurize the semi-sealed cylinder through the air inlet pipe, the pressurizing size is about 1MPa, and the stirring rod is kept to work normally in the process; then opening a valve at the side of the mud filling pipe, filling mud in the semi-sealed cylinder into the mud filling pipe under pressure, draining the mud to a drain pipe through a copper permeable stone, and forming a liquid level in the drain pipe after a certain time; recording the readings of the scale bars on the drain pipes of the devices after the same time, wherein the larger the reading is, the higher the liquid level is, the better the effect of the flocculating agent is, and the flocculating agent type and the mixing amount thereof corresponding to the condition of the highest liquid level can be taken as a preferred scheme; after the experiment is finished, the aluminum alloy cover can be disassembled, and the engineering slurry and the flocculating agent mixture are cleaned up.
Claims (6)
1. A selection device for a flocculating agent used for filter-pressing and dewatering of engineering mud is characterized by comprising: base (1), locate the semi-sealed section of thick bamboo (2) of base (1) top, locate semi-sealed section of thick bamboo opening side's lid (3), the bottom of semi-sealed section of thick bamboo (2) is equipped with the pivot through motor control, and this pivot lateral wall evenly is equipped with at least three stirring rod (4), be equipped with on lid (3) and be used for making engineering mud get into mud pipe (5) of advancing in semi-sealed section of thick bamboo (2), be used for adding interpolation pipe (6) of flocculating agent, be used for inflating pressurized intake pipe (7) and drainage observation device to semi-sealed section of thick bamboo (2), it all is equipped with the valve on mud pipe (5), interpolation pipe (6), intake pipe (7) to advance, just an end connection force pump of intake pipe (7), drainage observation device includes: a fill mud pipe (8), drain pipe (9) that the outer wall was equipped with the scale for making mud pressurized entering in the semi-sealed section of thick bamboo (2), fill in mud pipe (8) one end insert behind lid (3) stretch into semi-sealed section of thick bamboo (2), another tip is equipped with a sealed wall, this sealed wall inboard is equipped with one and permeates water stone (10), and sets up a round hole that is used for making water to permeate through on this sealed wall, drain pipe (9) through this round hole with fill mud pipe (8) intercommunication.
2. The device for selecting the flocculating agent for filter-pressing and dewatering of the engineering sludge according to claim 1, wherein the semi-sealed cylinder (2) and the drain pipe (9) are both made of organic glass and are cylindrical, the cover (3) and the sludge filling pipe (8) are both made of aluminum alloy, and the cover (3) and the semi-sealed cylinder (2) are connected into a whole through bolts.
3. The device for selecting the flocculating agent for filter-pressing and dewatering of engineering sludge as claimed in claim 1, wherein the open side of the semi-sealed cylinder (2) extends outwards to form a connecting wall, and the connecting wall and the cover (3) are respectively provided with a containing groove, and a sealing ring is arranged in the containing groove.
4. The device for selecting the flocculating agent for filter-pressing and dewatering of engineering sludge according to claim 1, wherein the diameter of the outer wall of the semi-sealed cylinder (2) is 400mm, the wall thickness is 10-15mm, the height is 400mm, the inner diameter of the sludge filling pipe (8) is 50mm, the length is 200mm, the depth of the sludge filling pipe inserted into the semi-sealed cylinder (2) is 150mm, and the diameter of the circular hole is 15 mm.
5. The device for selecting the flocculating agent for filter-pressing and dewatering of engineering sludge according to claim 1, characterized in that support legs (11) are arranged below the base (1).
6. The device for selecting the flocculating agent for filter-pressing and dewatering of engineering sludge according to claim 1, characterized in that the top of the stirring rod (4) is not in contact with the lowest end of the sludge filling pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316100.5A CN113024078B (en) | 2021-03-24 | 2021-03-24 | Selection device for flocculating agent used for filter-pressing dehydration treatment of engineering slurry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316100.5A CN113024078B (en) | 2021-03-24 | 2021-03-24 | Selection device for flocculating agent used for filter-pressing dehydration treatment of engineering slurry |
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| CN113024078A true CN113024078A (en) | 2021-06-25 |
| CN113024078B CN113024078B (en) | 2023-03-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708703A (en) * | 2014-01-22 | 2014-04-09 | 杨才千 | System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry |
| JP2016043279A (en) * | 2014-08-20 | 2016-04-04 | 株式会社日立製作所 | Membrane separation device using internal pressure type hollow yarn membrane and operational method |
| CN109912166A (en) * | 2019-04-11 | 2019-06-21 | 上海市城市建设设计研究总院（集团）有限公司 | The dedicated pneumatic shuttle of sludge fast dewatering |
| CN110117098A (en) * | 2019-05-10 | 2019-08-13 | 大成科创基础建设股份有限公司 | A kind of processing method and processing device that discarded slurry recycles |
| CN210796166U (en) * | 2019-06-28 | 2020-06-19 | 徐州瑞杰机械科技有限公司 | High-efficient mud filter pressing device |
-
2021
- 2021-03-24 CN CN202110316100.5A patent/CN113024078B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708703A (en) * | 2014-01-22 | 2014-04-09 | 杨才千 | System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry |
| JP2016043279A (en) * | 2014-08-20 | 2016-04-04 | 株式会社日立製作所 | Membrane separation device using internal pressure type hollow yarn membrane and operational method |
| CN109912166A (en) * | 2019-04-11 | 2019-06-21 | 上海市城市建设设计研究总院（集团）有限公司 | The dedicated pneumatic shuttle of sludge fast dewatering |
| CN110117098A (en) * | 2019-05-10 | 2019-08-13 | 大成科创基础建设股份有限公司 | A kind of processing method and processing device that discarded slurry recycles |
| CN210796166U (en) * | 2019-06-28 | 2020-06-19 | 徐州瑞杰机械科技有限公司 | High-efficient mud filter pressing device |
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| CN113024078B (en) | 2023-03-14 |
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