CN114380479A - Fold spiral shell formula sludge dewatering system - Google Patents
Fold spiral shell formula sludge dewatering system Download PDFInfo
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- CN114380479A CN114380479A CN202111648578.4A CN202111648578A CN114380479A CN 114380479 A CN114380479 A CN 114380479A CN 202111648578 A CN202111648578 A CN 202111648578A CN 114380479 A CN114380479 A CN 114380479A
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- sludge
- chamber
- filtrate
- flushing
- stacked spiral
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- 239000010802 sludge Substances 0.000 title claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000000706 filtrate Substances 0.000 claims abstract description 56
- 238000011084 recovery Methods 0.000 claims abstract description 44
- 238000011010 flushing procedure Methods 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 239000003814 drug Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 41
- 239000004744 fabric Substances 0.000 claims description 32
- 239000012634 fragment Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 description 12
- 238000005189 flocculation Methods 0.000 description 9
- 230000016615 flocculation Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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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
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a stacked spiral shell type sludge dewatering system which comprises a stacked spiral shell body, wherein a feed inlet of the stacked spiral shell body is connected with a mixing system, a drainage partition plate is arranged below the stacked spiral shell body, a filter chamber is arranged below a blanking port of the drainage partition plate, a filtrate recovery port and a sludge recovery port are arranged at the bottom of the filter chamber, a sludge circulation pipeline is arranged between the sludge recovery port and the mixing system, a medicine feeding port is arranged on the sludge circulation pipeline, a sludge filter device which is covered at the filtrate recovery port is arranged in the filter chamber, the filtrate recovery port is connected with a flushing system which is used for flushing the stacked spiral shell body and the sludge filter device through the filtrate circulation pipeline, a water inlet chamber is arranged on one side of the filter chamber, and a water replenishing pipe is connected between the water inlet chamber and the sludge circulation pipeline. According to the stacked spiral sludge dewatering system provided by the invention, the residual sludge is not discharged, the solid recovery rate is greatly improved, and the effluent quality of the filtrate is further improved; the recovery of the excess sludge is completed in the equipment, so that the field process layout is simplified, and the investment of excess sludge disposal is avoided.
Description
Technical Field
The invention relates to the technical field of sludge treatment equipment, in particular to a stacked spiral sludge dewatering system.
Background
The stacked spiral sludge dewatering equipment is a mechanical dewatering equipment widely used in the market at present, and has been widely accepted by the market with high-efficiency solid recovery rate and stable operation state. At present, the solid recovery rate of the stacked spiral dewatering equipment is about 90%, the main energy of each manufacturer is generally how to reduce the water content of discharged mud, how to adapt to the mud with different inorganic contents, how to improve the flocculation effect and the like, but another main problem commonly involved in the application occasion of the stacked spiral dewatering equipment is mud leakage, terminal customers can pay more attention to the severity of the mud leakage, and the convenience and reasonable disposal of the leaked mud is realized.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a stacked spiral sludge dewatering system.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a fold spiral shell formula sludge dewatering system, the spiral shell body that folds including the slope setting, it is less than the discharge gate to fold spiral shell body feed inlet position, the feed inlet and the hybrid system connection of folding the spiral shell body, it violently is equipped with the drainage baffle to fold spiral shell body below, drainage baffle blanking mouth below is equipped with the filter chamber, the filter chamber bottom is equipped with filtrate recovery mouth and sludge recycling mouth, be equipped with sludge recycling pipeline between sludge recycling mouth and the hybrid system, be equipped with the medicine feeding mouth on the sludge recycling pipeline, be equipped with the mud filter equipment of cover locating filtrate recovery mouth department in the filter chamber, filtrate recovery mouth passes through filtrate recycling pipeline and is used for carrying out the flushing system who washes to folding spiral shell body and mud filter equipment and be connected, filter chamber one side is equipped with the intake chamber, be connected with the moisturizing pipe between intake chamber and the sludge recycling pipeline.
The screw folding body is used for discharging the flocculated mud-water mixture out of the machine after screw squeezing; in the squeezing process, filtrate and sludge which run out from the gap of the stacked spiral bodies enter a filtering chamber along a drainage partition plate under the action of flushing water; the sludge-water mixture is gathered in the filtering chamber, part of filtrate is filtered by the sludge filtering device and then is discharged into the filtrate circulating pipeline from the filtrate recycling port, one part of the filtrate discharged into the filtrate circulating pipeline is used for washing the surface of the stacked spiral body, the filtrate and sludge which run out from the gap of the stacked spiral body are washed into the filtering chamber, and the other part of the filtrate is used for washing the sludge filtering device and is used for cleaning the sludge attached to the surface of the sludge filtering device; the mud that is filtered down by sludge filtration device gets into the sludge circulation pipeline through the sludge recycling mouth, before getting into the hybrid system, adds the medicament through adding the medicine mouth in to the sludge circulation pipeline by proportion ration and mixes in advance, and the sewage after the mixture gets into the hybrid system and mixes repeatedly, makes flocculation more abundant, and the muddy water mixture that flocculates gets into in the stack spiral shell body. The water inlet chamber is used for supplementing water into the sludge circulation pipeline through a water supplementing pipe, and raw water and sludge filtered by the filter chamber are mixed together to enter a new flocculation dehydration cycle.
Further, the hybrid system includes intake antrum and mixing tank, the mud circulation pipeline is connected with the intake antrum feed inlet, the intake antrum discharge gate is connected with the mixing tank, be equipped with a plurality of baffles in the intake antrum, the baffle is mutually supported and is made the intake antrum in form S type flowing water route, be equipped with the (mixing) shaft in the mixing tank.
The setting of the baffle in the water inlet tank prolongs the mixing path and time of muddy water and medicament, improves the premixing effect, and then enters the mixing tank for further flocculation reaction under the stirring of the stirring shaft.
Further, the bottom of the filter chamber is an inclined plane, the position of the filtrate recovery port is higher than that of the sludge recovery port, and the position of the blanking port of the drainage baffle plate is arranged on one side, away from the sludge recovery port, of the filtrate recovery port.
The mud-water mixture falls into the filtering chamber and is filtered by the sludge filtering device, filtrate enters the filtrate circulating pipeline from the filtrate recycling port for cyclic utilization, and sludge slides to the sludge recycling port along the inclined surface to be mixed with raw water and enter a new flocculation dehydration cycle.
Further, sludge filtration device includes filter cloth and filter cloth fossil fragments, filter cloth fossil fragments are located filtrating recovery mouth department for the frame type cover, the filter cloth passes through the clamp to be fixed on filter cloth fossil fragments.
The filter cloth keel is used for supporting the filter cloth to form a three-dimensional shape, so that on one hand, the filtering area is increased, and on the other hand, the mud-water mixture falling into the filtering chamber must be filtered by the filter cloth and then slides to the sludge recovery port.
Further, the flushing system comprises a first flushing device and a second flushing device, the first flushing device comprises a plurality of first nozzles arranged in the sludge filtering device, the second flushing device comprises a plurality of second nozzles arranged above the stacked spiral body, the first nozzles and the second nozzles are connected with the filtrate circulating pipeline, a first flushing electromagnetic valve used for controlling the opening and closing of the first nozzles and a second flushing electromagnetic valve used for controlling the opening and closing of the second nozzles are arranged on the filtrate circulating pipeline, and a flushing circulating pump is arranged in the filtrate circulating pipeline.
Filtrate filtered out from the filter chamber is recycled into a filtrate circulation pipeline, and is pressurized through a flushing circulation pump, one part of the filtrate is sprayed out from a first nozzle to back flush the sludge filter device so as to clean sludge attached to the surface of the sludge filter device, the other part of the filtrate is sprayed out from a second nozzle to flush the surface of the stacked spiral body, and the filtrate and the sludge which run out from the gap of the stacked spiral body are flushed into the filter chamber.
Furthermore, be equipped with first level gauge in the intake chamber, be equipped with the intake pump on the inlet channel of intake chamber, the intake pump is connected with first level gauge line.
The first liquid level meter is used for measuring the liquid level height in the water inlet chamber, when the liquid level height in the water inlet chamber is lower than a preset minimum value, the water inlet pump starts to supplement water into the water inlet chamber, and when the liquid level height in the water inlet chamber reaches a preset maximum value, the water inlet pump stops supplementing water.
Further, be equipped with the second level gauge in the intake chamber, be equipped with the internal circulating pump on the mud circulating line, internal circulating pump and second level gauge line connection.
The second liquid level meter is used for measuring the liquid level in the water inlet tank, when the liquid level in the water inlet tank is lower than a preset minimum value, the internal circulating pump is started, and when the liquid level in the water inlet chamber reaches a preset maximum value, the internal circulating pump stops working.
Further, a third liquid level meter is arranged in the filtering chamber, a sewage discharge electromagnetic valve is arranged at the sludge recovery port, and the sewage discharge electromagnetic valve is connected with the third liquid level meter through a line.
The third liquid level meter is used for measuring the liquid level height in the filtering chamber, after the filtering chamber works for a certain time, along with the increase of the sludge thickness on the surface of the filtering cloth, the filtering capacity of the filtering cloth is reduced, the liquid level in the filtering chamber rises, when the liquid level rises to a preset maximum value, the pollution discharge electromagnetic valve is opened, at the moment, the sludge at the bottom of the filtering chamber enters a new flocculation dehydration cycle along with the mixing of raw water under the action of the internal circulating pump, and the operation is repeated.
Further, the stacked screw body comprises a cylindrical shell and a screw shaft positioned in the center of the shell, the shell is composed of a plurality of fixed rings and moving rings which are alternately arranged, and the fixed rings and the moving rings are both made of wear-resistant hard alloy.
Further, the water inlet tank, the water inlet chamber and the filtrate circulating pipeline are all provided with emptying valves.
The invention has the beneficial effects that: the residual sludge is not discharged, the solid recovery rate is greatly improved, and the effluent quality of the filtered liquid is further improved; recovery of excess sludge is completed in the equipment, so that the field process layout is simplified, and the investment of excess sludge treatment is avoided; the labyrinth water inlet groove prolongs the mixing path and time of the medicament and the sewage, and further improves the flocculation effect; the filter cloth is detachable, the cost is low, the replacement is simple, and the field application is convenient; the SS of water filtered by the fiber filter cloth is less than or equal to 5 percent and can be recycled for system flushing, thereby saving field resources.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
figure 2 is a schematic view of the structure of the filtering chamber.
In the figure: 1. the device comprises a screw stacking body, 101, a screw shaft, 2, a drainage baffle, 3, a filter chamber, 301, a filtrate recycling port, 302, a sludge recycling port, 4, a sludge circulating pipeline, 401, a chemical adding port, 5, a filtrate circulating pipeline, 6, a water inlet chamber, 7, a water replenishing pipe, 8, a water inlet tank, 801, a baffle plate, 9, a mixing tank, 901, a stirring shaft, 10, filter cloth, 11, a filter cloth keel, 12, a first nozzle, 13, a second nozzle, 14, a first flushing electromagnetic valve, 15, a flushing circulating pump, 16, a first liquid level meter, 17, a water inlet pump, 18, a second liquid level meter, 19, an internal circulating pump, 20, a third liquid level meter, 21, a pollution discharge electromagnetic valve, 22, a vent valve, 23, a water inlet hose, 24, a flow meter, 25 and a second flushing electromagnetic valve.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1-2, the stacked screw sludge dewatering system of the present invention comprises a stacked screw body 1 disposed obliquely, a feed inlet of the stacked screw body 1 is lower than a discharge outlet, the feed inlet of the stacked screw body 1 is connected with a mixing system through a water inlet hose 23, a drainage baffle 2 is disposed horizontally below the stacked screw body 1, a filter chamber 3 is disposed below a discharge outlet of the drainage baffle 2, a filtrate recovery port 301 and a sludge recovery port 302 are disposed at the bottom of the filter chamber 3, a sludge circulation pipeline 4 is disposed between the sludge recovery port 302 and the mixing system, a flow meter 24 for measuring a sludge flow rate is disposed on the sludge circulation pipeline 4, a chemical adding port 401 is disposed on the sludge circulation pipeline 4, a flow meter 24 for measuring a chemical adding flow rate is disposed at the chemical adding port 401, a sludge filtering device covered at the filtrate recovery port 301 is disposed in the filter chamber 3, and the filtrate recovery port 301 is flushed with the sludge filtering device through a filtrate circulation pipeline 5 The system is connected, a water inlet chamber 6 is arranged on one side of the filtering chamber 3, and a water replenishing pipe 7 is connected between the water inlet chamber 6 and the sludge circulating pipeline 4.
The hybrid system includes intake chamber 8 and mixing tank 9, sludge circulation pipeline 4 is connected with 8 feed inlets of intake chamber, 8 discharge gates of intake chamber are connected with mixing tank 9, be equipped with a plurality of baffles 801 in the intake chamber 8, baffle 801 mutually supports and forms S type flowing water route in making the intake chamber 8, be equipped with (mixing) shaft 901 in the mixing tank 9.
The bottom of the filtering chamber 3 is an inclined plane, the position of the filtrate recovery port 301 is higher than the position of the sludge recovery port 302, and the position of the blanking port of the drainage baffle plate 2 is arranged on one side of the filtrate recovery port 301 far away from the sludge recovery port 302.
Sludge filtration device includes filter cloth 10 and filter cloth fossil fragments 11, filter cloth fossil fragments 11 are located filtrating recovery mouth 301 department for the frame type cover, filter cloth 10 passes through the clamp to be fixed on filter cloth fossil fragments 11.
The flushing system comprises a first flushing device and a second flushing device, the first flushing device comprises a plurality of first nozzles 12 arranged in the sludge filtering device, the second flushing device comprises a plurality of second nozzles 13 arranged above the stacked spiral body 1, the first nozzles 12 and the second nozzles 13 are connected with the filtrate circulating pipeline 5, a first flushing electromagnetic valve 14 used for controlling the opening and closing of the first nozzles 12 and a second flushing electromagnetic valve 25 used for controlling the opening and closing of the second nozzles 13 are arranged on the filtrate circulating pipeline 5, and a flushing circulating pump 15 is arranged in the filtrate circulating pipeline 5.
The improved water inlet chamber is characterized in that a first liquid level meter 16 is arranged in the water inlet chamber 6, a water inlet pump 17 is arranged on a water inlet pipeline of the water inlet chamber 6, and the water inlet pump 17 is connected with the first liquid level meter 16 through a line.
And a second liquid level meter 18 is arranged in the water inlet tank 8, an internal circulating pump 19 is arranged on the sludge circulating pipeline 4, and the internal circulating pump 19 is connected with the second liquid level meter 18 through a line.
A third liquid level meter 20 is arranged in the filtering chamber 3, a sewage discharge electromagnetic valve 21 is arranged at the sludge recovery port 302, and the sewage discharge electromagnetic valve 21 is connected with the third liquid level meter 20 through a line.
The laminated spiral body 1 comprises a cylindrical shell and a spiral shaft 101 positioned in the center of the shell, the shell is composed of a plurality of fixed rings and movable rings which are alternately arranged, and the fixed rings and the movable rings are both made of wear-resistant hard alloy.
And the water inlet tank 8, the water inlet chamber 6 and the filtrate circulating pipeline 5 are all provided with emptying valves 22.
The working process is as follows:
raw water with the solid content of about 2% enters the water inlet chamber 6 through the water inlet pump 17 and is controlled by the first liquid level meter 16, the water pump 17 stops after the liquid level in the water inlet chamber 6 reaches the preset maximum value, and the water inlet pump 17 starts when the liquid level reaches the preset minimum value. The internal circulating pump 19 is controlled by the second liquid level meter 18, the internal circulating pump 19 stops after the liquid level in the water inlet tank 8 reaches the preset maximum value, and the internal circulating pump 19 starts when the liquid level reaches the preset minimum value.
The internal circulation pump 19 squeezes quantitative raw water into the sludge circulation pipeline 4 through the water replenishing pipe 7, the raw water is mixed with the medicament quantitatively added in proportion in advance before entering the water inlet tank 8, the mixed sewage enters the labyrinth water inlet tank 8 to be repeatedly mixed up and down and then enters the mixing tank 9, the flocculation reaction is more sufficient under the stirring of the stirring shaft 901 paddle in the mixing tank 9, the flocculated mud-water mixture enters the overlapped spiral body 1, the water content of solid substances is reduced to about 83 percent after the solid substances are squeezed by a screw, and the water is filtered out from the gap between the ring sheets.
At the same time, during the pressing process, about 10% of the solid matter will escape from the gap between the ring segments and enter the filtering chamber 3 with the filtrate under the influence of the washing water from the second nozzles 13. The mud-water mixture is gathered in the filter chamber 3, part of filtrate is discharged after being filtered by the filter cloth 10, solid matters are blocked on the surface of the filter cloth 10, after the filter chamber works for a certain time, along with the increase of the thickness of the sludge on the surface of the filter cloth 10, the filtering capacity of the filter cloth 10 is reduced, the liquid level in the filter chamber 3 is increased, when the liquid level is increased to the preset maximum value of a third liquid level meter 20, a pollution discharge electromagnetic valve 21 is triggered to be opened, at the moment, the sludge at the bottom of the filter chamber 3 is mixed with raw water under the action of an internal circulating pump 19 and enters a new flocculation dehydration cycle, and the operation is repeated. When the liquid level in the filtering chamber 3 drops to the preset minimum value of the third liquid level meter 20, the drain solenoid valve 21 is closed, and the first flushing solenoid valve 14 is simultaneously started, at this time, the first nozzle 12 sprays high-pressure clean water outwards from the inner side of the filtering cloth 10 to clean sludge attached to the surface of the filtering cloth 10.
Part of the filtered liquid filtered by the filter cloth 10 is used for flushing the overlapped screw body 1 and backwashing the filter cloth 10, and the redundant filtered liquid is discharged out of the system through a vent valve 22 on the filtrate circulating pipeline 5. The solid recovery rate of raw water treated by the system is greatly improved, no excess sludge on site needs additional process treatment, and meanwhile, the discharged filtered liquid part is recycled to a flushing system for utilization, so that the site water resource is saved, and the SS index of the filtered liquid is excellent.
Directions and references (e.g., up, down, left, right, etc.) may be used in the present disclosure only to aid in the description of features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a fold spiral shell formula sludge dewatering system which characterized in that: including the spiral shell body (1) that folds that the slope set up, it is less than the discharge gate to fold spiral shell body (1) feed inlet position, the feed inlet and the hybrid system connection of folding spiral shell body (1), it violently is equipped with drainage baffle (2) to fold spiral shell body (1) below, drainage baffle (2) blanking mouth below is equipped with filter chamber (3), filter chamber (3) bottom is equipped with filtrate recovery mouth (301) and sludge recovery mouth (302), be equipped with sludge circulating line (4) between sludge recovery mouth (302) and the hybrid system, be equipped with on sludge circulating line (4) with medicine mouth (401), be equipped with the sludge filtering device that the cover located filtrate recovery mouth (301) department in filter chamber (3), filtrate recovery mouth (301) are connected through filtrate circulating line (5) and the flushing system that is used for washing spiral shell body (1) and sludge filtering device, and a water inlet chamber (6) is arranged on one side of the filtering chamber (3), and a water replenishing pipe (7) is connected between the water inlet chamber (6) and the sludge circulating pipeline (4).
2. The stacked spiral sludge dewatering system of claim 1, wherein: the hybrid system includes intake chamber (8) and mixing tank (9), sludge circulating line (4) are connected with intake chamber (8) feed inlet, intake chamber (8) discharge gate is connected with mixing tank (9), be equipped with a plurality of baffles (801) in intake chamber (8), baffle (801) mutually support and make into S type flowing water route in intake chamber (8), be equipped with (mixing) shaft (901) in mixing tank (9).
3. The stacked spiral sludge dewatering system of claim 1, wherein: the bottom of the filtering chamber (3) is an inclined plane, the position of the filtrate recovery port (301) is higher than that of the sludge recovery port (302), and the position of the blanking port of the drainage partition plate (2) is arranged on one side, away from the sludge recovery port (302), of the filtrate recovery port (301).
4. The stacked spiral sludge dewatering system of claim 3, wherein: sludge filtration device includes filter cloth (10) and filter cloth fossil fragments (11), filter cloth fossil fragments (11) are located filtrating recovery mouth (301) department for the frame type cover, filter cloth (10) are fixed on filter cloth fossil fragments (11) through the clamp.
5. The stacked spiral sludge dewatering system of claim 3, wherein: the flushing system comprises a first flushing device and a second flushing device, wherein the first flushing device comprises a plurality of first nozzles (12) arranged in the sludge filtering device, the second flushing device comprises a plurality of second nozzles (13) arranged above the stacked spiral body (1), the first nozzles (12) and the second nozzles (13) are connected with the filtrate circulating pipeline (5), a first flushing electromagnetic valve (14) used for controlling the opening and closing of the first nozzles (12) and a second flushing electromagnetic valve (25) used for controlling the opening and closing of the second nozzles (13) are arranged on the filtrate circulating pipeline (5), and a flushing circulating pump (15) is arranged in the filtrate circulating pipeline (5).
6. The stacked spiral sludge dewatering system of claim 4, wherein: be equipped with first level gauge (16) in intake chamber (6), be equipped with intake pump (17) on the inlet channel of intake chamber (6), intake pump (17) and first level gauge (16) line connection.
7. The stacked spiral sludge dewatering system of claim 6, wherein: be equipped with second level gauge (18) in intake chamber (8), be equipped with internal circulating pump (19) on sludge circulating line (4), internal circulating pump (19) and second level gauge (18) line connection.
8. The stacked spiral sludge dewatering system of claim 7, wherein: the sludge treatment device is characterized in that a third liquid level meter (20) is arranged in the filtering chamber (3), a sludge recovery port (302) is provided with a sewage discharge electromagnetic valve (21), and the sewage discharge electromagnetic valve (21) is connected with the third liquid level meter (20) through a line.
9. The stacked spiral sludge dewatering system of claim 1, wherein: the stacked spiral body (1) comprises a cylindrical shell and a spiral shaft (101) located in the center of the shell, the shell is composed of a plurality of fixed rings and movable rings which are arranged alternately, and the fixed rings and the movable rings are both made of wear-resistant hard alloy.
10. The stacked spiral sludge dewatering system of claim 1, wherein: and emptying valves (22) are arranged on the water inlet tank (8), the water inlet chamber (6) and the filtrate circulating pipeline (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111648578.4A CN114380479A (en) | 2021-12-30 | 2021-12-30 | Fold spiral shell formula sludge dewatering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111648578.4A CN114380479A (en) | 2021-12-30 | 2021-12-30 | Fold spiral shell formula sludge dewatering system |
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| Publication Number | Publication Date |
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| CN114380479A true CN114380479A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111648578.4A Pending CN114380479A (en) | 2021-12-30 | 2021-12-30 | Fold spiral shell formula sludge dewatering system |
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| CN (1) | CN114380479A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196853A (en) * | 2022-06-21 | 2022-10-18 | 江苏博一环保科技有限公司 | Sludge dewatering machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538801Y (en) * | 2002-02-08 | 2003-03-05 | 商城县开源环保工程设备有限公司 | Mud concentration dewatering machine |
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