CN116495960A - Sludge pretreatment equipment and treatment process - Google Patents
Sludge pretreatment equipment and treatment process Download PDFInfo
- Publication number
- CN116495960A CN116495960A CN202310762728.7A CN202310762728A CN116495960A CN 116495960 A CN116495960 A CN 116495960A CN 202310762728 A CN202310762728 A CN 202310762728A CN 116495960 A CN116495960 A CN 116495960A
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- sludge
- assembly
- hopper
- liquid
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- 239000010802 sludge Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008569 process Effects 0.000 title claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 101
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 40
- 239000007791 liquid phase Substances 0.000 claims abstract description 40
- 239000007790 solid phase Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000005496 tempering Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
Abstract
The invention discloses sludge pretreatment equipment and a treatment process, and particularly relates to the field of sludge treatment, wherein the equipment comprises a bottom shell, an extrusion assembly and a separation assembly, wherein the extrusion assembly and the separation assembly are arranged in the bottom shell, the extrusion assembly is used for spiral pressurizing and pushing of sludge, the separation assembly is used for solid-liquid separation of sludge, an auxiliary assembly is arranged on the bottom shell and is divided into a first auxiliary assembly and a second auxiliary assembly, and the first auxiliary assembly is arranged above the extrusion assembly. According to the invention, the plate surfaces of the double spiral sheets are staggered and are extruded relatively, so that sludge particles are extruded, liquid phase remained in the solid phase is separated out, the solid phase and the liquid phase with the water content reaching the standard are centrifugally separated, the solid phase reaching the standard can be extruded through the bucket body bracket, the redundant liquid phase is thrown out through the guide channel, the separation of capillary water is ensured to be partially removed at the same time, the solid phase and the liquid phase of the sludge are not easy to separate out after pretreatment, the sludge is in small particles, and a humidity environment of the sludge treated by microorganisms is easier to build.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to sludge pretreatment equipment and a sludge pretreatment process.
Background
Sludge treatment (slurry treatment): and (3) performing reduction, stabilization, harmless processing processes such as concentration, tempering, dehydration, stabilization, desiccation or incineration and the like on the sludge. After concentration and before tempering, the sludge is dehydrated in advance mechanically, mainly the capillary water among the sludge particles is removed, and the humidity required by tempering is better achieved.
However, the existing sludge pretreatment dehydration equipment still has more defects in actual use, such as plate pressure or gravity dehydration, high dehydration quantity control difficulty, and most of the removed surface water, capillary water can not be well separated out, and after dehydration, the water still can be easily separated out for layering, so that subsequent uneven tempering humidity is caused, and the condition control of the microbial treatment environment of the sludge is not facilitated.
Disclosure of Invention
The invention provides sludge pretreatment equipment and a treatment process, which aims to solve the problems that: the existing capillary water can not be well separated out, so that the subsequent uneven tempering humidity is caused, and the condition control of the microbial treatment environment of the sludge is not facilitated.
In order to achieve the above purpose, the present invention provides the following technical solutions: the sludge pretreatment equipment comprises a bottom shell, an extrusion component and a separation component, wherein the extrusion component and the separation component are arranged in the bottom shell, the extrusion component is used for carrying out spiral pressurization propulsion on sludge, the separation component is used for carrying out solid-liquid separation on the sludge, an auxiliary component is arranged on the bottom shell and is divided into a first auxiliary component and a second auxiliary component, the first auxiliary component is arranged above the extrusion component, the second auxiliary component is arranged above the separation component, the extrusion component comprises a driving shaft and a spiral blade, the spiral blade is arranged on the outer side of the driving shaft, the first auxiliary component comprises a cover cap and an inner spiral lining plate, the inner spiral lining plate is arranged on the inner wall of the cover cap, the precession directions of the inner spiral lining plate and the spiral blade are consistent, and an extrusion gap is reserved between opposite side wall bodies of the inner spiral lining plate and the spiral blade;
the installation beam and the movable piece are arranged between the helical blade and the driving shaft, the orientation of the installation beam is consistent with the axial direction of the driving shaft, the installation beam is installed on the outer wall of the driving shaft, the movable piece is arranged on the installation beam, one side of the helical blade is installed at the end part of the movable piece, the movable piece can drive the helical blade to compress/expand along the axial direction of the driving shaft, and the width of the extrusion gap is reduced/increased when the helical blade compresses/expands;
the separation assembly comprises a first separation bucket and a second separation bucket, the same connecting shaft is inserted between the first separation bucket and the second separation bucket, a differential coupling is connected between the connecting shaft and the driving shaft, the first separation bucket and the second separation bucket are driven by the driving shaft, solid phase and liquid phase in sludge are separated, a liquid discharge groove is arranged on the inner wall of one side of the bottom shell, which is close to the separation assembly, the liquid phase is output through the liquid discharge groove, a discharge hopper is arranged on the side wall of the bottom shell, and the solid phase is extruded and discharged through the discharge hopper.
In a preferred embodiment, the movable member comprises a connecting bracket, a movable groove and a limiting pin, the movable groove is arranged on the inner wall of one end of the connecting bracket, the limiting pin is arranged on the outer side wall of the helical blade, the limiting pin is inserted into the groove wall of the movable groove, the end part of the limiting pin is provided with a limiting protrusion, and the helical blade is restrained from moving along the length direction of the pin of the limiting pin.
In a preferred embodiment, the end of the mounting beam is provided with a telescopic rod, and a return element is arranged between the rod end of the telescopic rod and the inner wall of the mounting beam.
In a preferred embodiment, the ends of the connecting bracket are connected to the rod ends of the telescoping rods, and the connecting bracket compresses the helical blades thereon as the telescoping rods move along the length of the mounting beam.
In a preferred embodiment, the bottom shell comprises a separation seat and an extrusion bin, the extrusion bin and the separation bin are respectively connected with the first auxiliary component and the second auxiliary component, a liquid throwing port is arranged on the outer wall of one side of the separation bin, which is far away from the receiving hopper, and a filter screen is arranged in the liquid throwing port.
In a preferred embodiment, a bracket is arranged in the middle of the connecting shaft, and a plurality of top magnetic rods are annularly distributed on the outer wall of the bracket.
In a preferred embodiment, the first separating hopper and the second separating hopper comprise a hopper body and a movable magnetic plate, the inner side wall of the hopper body is provided with a liquid discharge bin, and the movable magnetic plate is movably connected to the inner wall of the liquid discharge bin.
In a preferred embodiment, the top side of the liquid draining bin is provided with a liquid draining hole, and a turning plate is arranged in the liquid draining hole.
In a preferred embodiment, the outer wall of one end of the cover is provided with a feed opening for feeding sludge to be pretreated.
The sludge pretreatment process realizes sludge treatment through sludge pretreatment equipment, and the specific treatment process flow is as follows:
s1: the sludge material to be pretreated is input into the extrusion assembly through the feeding port, the extrusion assembly is driven by a driving source connected with the driving shaft end, the spiral blades are screwed into the sludge, meanwhile, the sludge is extruded between the inner spiral lining plate and the spiral blades, the sludge is continuously extruded, so that large solid particles in the sludge are extruded, and the liquid phase of the sludge is separated out of the solid phase and enters the separation assembly together;
s2: in the separation assembly, the liquid phase is continuously discharged through the liquid discharge groove, meanwhile, the liquid phase remained in the solid phase is firstly thrown through the first separation hopper, along with the throwing, the sludge is continuously centrifugally thrown onto the inner wall of the second auxiliary assembly, when the sludge passes through the liquid throwing port, the liquid phase is separated, the water content of the solid phase is reduced and is in a conglobate shape after the continuous throwing, and the solid phase can be continuously extruded out through the discharge hopper when the first separation hopper and the second separation hopper rotate;
s3: the second separation hopper and the first separation hopper have an angle difference, the second separation hopper can assist the first separation hopper to accelerate sludge treatment capacity, and meanwhile, the first separation hopper and the second separation hopper are internally provided with movable magnetic plates, and when the movable magnetic plates pass through the rod ends of the top magnetic rods, the movable magnetic plates move and squeeze towards one side of the top magnetic rods to accelerate solid phase and liquid phase separation;
s4: the liquid phase is collected by a liquid discharge tank and reprecipitated, secondary treatment can be carried out, and the solid phase is collected by a discharge hopper and then is subjected to subsequent steps.
The invention has the technical effects and advantages that: the plate surfaces of the double spiral sheets are staggered and the plate surfaces are extruded relatively, so that sludge particles between the plate surfaces are extruded, solid phase and liquid phase are primarily disturbed, liquid phase is reserved in the solid phase to separate out, meanwhile, centrifugal separation is utilized to extrude a solid phase with the water content reaching the standard through a bucket body support, redundant liquid phase is thrown out through a guide channel, separation of capillary water is ensured to be partially removed, sludge solid phase and liquid phase are not easy to separate out after pretreatment, sludge is in small particles, and a humidity environment of microorganism treated sludge is easier to build.
Drawings
FIG. 1 is a schematic diagram of a sludge pretreatment apparatus according to the present invention;
FIG. 2 is a schematic view of the de-assisting component of FIG. 1 according to the present invention;
FIG. 3 is a top view of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the extrusion assembly of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of part A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of the separation assembly of FIG. 2 according to the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 after bottom shell removal;
fig. 8 is a schematic view of the structure of the separating bucket of fig. 7 in the present invention.
The reference numerals are: 100. a bottom case; 110. a separation seat; 111. discharging a hopper; 112. a receiving hopper; 113. a liquid throwing port; 120. extruding the bin; 200. an extrusion assembly; 210. a drive shaft; 220. a helical blade; 230. a movable member; 231. a connecting bracket; 232. a moving groove; 233. a limiting pin; 240. mounting a beam; 250. a telescopic rod; 300. an auxiliary component; 310. a cover cap; 320. an inner spiral liner plate; 330. a feed port; 400. a separation assembly; 410. a first separating hopper; 420. a second separation bucket; 421. a liquid discharge bin; 422. a movable magnetic plate; 430. a magnetic rod is jacked; 500. a differential coupling.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 8 of the drawings, a sludge pretreatment apparatus includes a bottom case 100, and an extrusion assembly 200 and a separation assembly 400 installed in the bottom case 100, the extrusion assembly 200 is used for screw-pressurizing and pushing sludge, the separation assembly 400 is used for solid-liquid separation of sludge, the bottom case 100 is installed with an auxiliary assembly 300, the auxiliary assembly 300 is divided into a first auxiliary assembly and a second auxiliary assembly, the first auxiliary assembly is arranged above the extrusion assembly 200, the second auxiliary assembly is arranged above the separation assembly 400, the extrusion assembly 200 includes a driving shaft 210 and a screw blade 220, the screw blade 220 is installed outside the driving shaft 210, the first auxiliary assembly includes a cover cap 310 and an inner screw liner 320, the inner screw liner 320 is arranged on the inner wall of the cover cap 310, the screw direction of the inner screw liner 320 is consistent with the screw blade 220, an extrusion gap is left between opposite side walls of the inner screw liner 320 and the screw blade 220, the second auxiliary assembly is a semicircular cover body which is arranged outside the separation assembly 400, a guide groove is arranged inside the cover body, and the guide groove is communicated with a liquid throwing port 113;
the outer wall of one end of the cover 310 is provided with a feed inlet 330, and the feed inlet 330 is used for feeding sludge to be pretreated, namely, when the sludge is fed into the device, the sludge firstly collides with the spiral blade 220 and continuously precesses between the inner wall of the separation seat 110 and the inner wall of the cover 310 in the bottom shell 100 through the spiral blade 220;
a mounting beam 240 and a movable member 230 are arranged between the helical blade 220 and the driving shaft 210, the mounting beam 240 is oriented to be consistent with the axial direction of the driving shaft 210, the mounting beam 240 is mounted on the outer wall of the driving shaft 210, the movable member 230 is arranged on the mounting beam 240, one side of the helical blade 220 is mounted on the end part of the movable member 230, the movable member 230 can drive the helical blade 220 to compress/expand along the axial direction of the driving shaft 210, and the width of a compression gap is reduced/increased when the helical blade 220 compresses/expands;
the movable member 230 comprises a connecting bracket 231, a movable groove 232 and a limiting pin 233, wherein the movable groove 232 is arranged on the inner wall of one end of the connecting bracket 231, the limiting pin 233 is arranged on the outer side wall of the helical blade 220, the limiting pin 233 is inserted into the groove wall of the movable groove 232, the end part of the limiting pin 233 is provided with a limiting bulge, the helical blade 220 is restrained from moving along the longitudinal direction of the limiting pin 233, the tail end of the mounting beam 240 is provided with a telescopic rod 250, a reset member is arranged between the rod end of the telescopic rod 250 and the inner wall of the mounting beam 240, the end part of the connecting bracket 231 is connected with the rod end of the telescopic rod 250, and when the telescopic rod 250 moves along the length direction of the mounting beam 240, the connecting bracket 231 drives the helical blade 220 on the telescopic rod 250 to compress.
Specifically, when the limiting pin 233 moves along the moving groove 232, the connecting bracket 231 drives the plate surfaces between the spiral blade 220 and the inner spiral lining plate 320 to stagger for a certain distance, so as to achieve the rubbing effect, and meanwhile, the telescopic rod 250 moves along the length direction of the mounting beam 240, so as to drive the spiral blade 220 to extrude towards one side of the inner spiral lining plate 320, thereby realizing extrusion of sludge particles between the plate surfaces, primary disturbance of solid phase and liquid phase, precipitation of the liquid phase remained in the solid phase, and better separation in the subsequent separation assembly 400;
as shown in fig. 4, the blade pitch of the screw blade 220 is gradually smaller, that is, the blade pitch of the screw blade 220 near one end of the feed inlet 330 is larger, the mounting beam 240 is in a stepped structure, and the distance between the outer side of the screw blade 220 and the bottom shell 100 and the cover 310 is fixed, so that the blade width of the screw blade 220 on the side with smaller blade pitch of the screw blade 220 is larger, and the contact surface with sludge is larger during extrusion output;
the separation assembly 400 comprises a first separation bucket 410 and a second separation bucket 420, the same connecting shaft is inserted between the first separation bucket 410 and the second separation bucket 420, a differential coupler 500 is connected between the connecting shaft and the driving shaft 210, the differential coupler 500 is of the prior art, the rotation speeds of the driving shaft 210 and the connecting shaft are different, the low-rotation-speed extrusion and the high-rotation-speed separation are realized, the separation assembly is realized through the same power source, the first separation bucket 410 and the second separation bucket 420 are driven by the driving shaft 210, the solid phase and the liquid phase in the sludge are separated, a liquid discharge groove is arranged on the inner wall of one side of the bottom shell 100 close to the separation assembly 400, the liquid phase is output through the liquid discharge groove, the side wall of the bottom shell 100 is provided with a discharge hopper 111, and the solid phase is extruded and discharged through the discharge hopper 111.
The bottom shell 100 comprises a separation seat 110 and an extrusion bin 120, the extrusion bin 120 and the separation bin are respectively connected with a first auxiliary assembly and a second auxiliary assembly, a liquid throwing port 113 is arranged on the outer wall of one side of the separation bin, which is far away from the receiving hopper 112, and a filter screen is arranged in the liquid throwing port 113.
Wherein, a feed port 330 is arranged on one side of the separating seat 110 close to the extrusion bin 120, a guide plate is arranged in the feed port 330, and the guide plate can rapidly input sludge into a gap between the separating hopper and the separating seat 110;
the middle part of the connecting shaft is provided with a bracket, the outer wall of the bracket is annularly provided with a plurality of top magnetic rods 430, the first separating hopper 410 and the second separating hopper 420 both comprise a hopper body and a movable magnetic plate 422, the inner side wall of the hopper body is provided with a liquid discharging bin 421, the movable magnetic plate 422 is movably connected to the inner wall of the liquid discharging bin 421, when the hopper body rotates to be right above the top magnetic rods 430, the magnetic surfaces are right opposite, the movable magnetic plate 422 extrudes sludge in the hopper body, and further extrudes solid phase and liquid phase in the sludge for separation;
the top side of the liquid draining bin 421 is provided with a liquid draining hole, a turning plate is arranged in the liquid draining hole, when the first separating hopper 410 and the second separating hopper 420 are arranged at the side of the bottom shell 100, the turning plate is opened to leak liquid phase in sludge, and when the liquid phase continuously rotates to the side of the cover body, the turning plate is closed, so that residual liquid phase is conveniently placed in the liquid draining bin 421 and can be thrown out after rotating.
In this embodiment, the implementation scenario specifically includes: the equipment is applied to sludge concentration, wherein concentration is a common solid-liquid separation method, sludge is conditioned by machinery after concentration, the main purpose of sludge conditioning is to promote solid-liquid separation of the sludge, the equipment is used for stabilizing the sludge after treatment, and the main purpose of sludge stabilization is to degrade organic solid matters in the sludge by using a biochemical method, so that the sludge is more stable (odor and putrefaction are reduced), is easier to dehydrate, and simultaneously reduces the quality of the sludge.
Example two
The sludge pretreatment process is realized by the sludge pretreatment equipment in the first embodiment, and the specific treatment process flow is as follows:
s1: the sludge to be pretreated is input into the extrusion assembly 200 through the feed inlet 330, the extrusion assembly 200 is driven by a driving source connected with the end of the driving shaft 210, the spiral blades 220 are screwed into the sludge, meanwhile, the sludge is extruded between the inner spiral lining plate 320 and the spiral blades 220, the sludge is continuously extruded, so that large particles of solid phase in the sludge are extruded, and liquid phase of the sludge is separated out of the solid phase and enters the separation assembly 400 together;
when the limiting pin 233 moves in the moving groove 232, the connecting bracket 231 drives the plate surfaces between the spiral blade 220 and the inner spiral lining plate 320 to stagger a certain distance, so that a rubbing effect is achieved, the telescopic rod 250 moves along the length direction of the mounting beam 240, the spiral blade 220 is driven to extrude towards one side of the inner spiral lining plate 320, sludge particles between the plate surfaces are extruded, a solid phase and a liquid phase are primarily disturbed, and the liquid phase remained in the solid phase is separated out, and is better separated in the subsequent separation assembly 400;
s2: in the separation assembly 400, the liquid phase is continuously discharged through the liquid discharge groove, meanwhile, the liquid phase remained in the solid phase is firstly thrown through the first separation hopper 410, along with the throwing, the sludge is continuously centrifugally thrown onto the inner wall of the second auxiliary assembly, when the sludge passes through the liquid throwing port 113, the liquid phase is separated, the water content of the solid phase is reduced and is in a lump shape after the continuous throwing, and the solid phase can be continuously extruded out through the discharge hopper 111 when the first separation hopper 410 and the second separation hopper 420 rotate;
s3: the second separation bucket 420 and the first separation bucket 410 have an angle difference, the second separation bucket 420 can assist the first separation bucket 410 to accelerate sludge treatment capacity, meanwhile, the first separation bucket 410 and the second separation bucket 420 are internally provided with movable magnetic plates 422, and when passing through the rod ends of the top magnetic rods 430, the movable magnetic plates 422 move and squeeze towards one side of the top magnetic rods 430 to accelerate solid phase and liquid phase separation;
s4: the liquid phase is collected by a liquid discharge tank and reprecipitated, secondary treatment can be carried out, and the solid phase is collected by a discharge hopper 111 and then is subjected to the subsequent steps;
the water content of the solid phase in the subsequent step is 65-80%, which is more beneficial to the treatment of the organic matters in the sludge by the microorganism.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a sludge pretreatment equipment, includes drain pan (100) and installs extrusion subassembly (200) and separation subassembly (400) in drain pan (100), extrusion subassembly (200) are used for carrying out solid-liquid separation with mud spiral pressurization, separation subassembly (400) are used for carrying out mud, its characterized in that: an auxiliary assembly (300) is arranged on the bottom shell (100), the auxiliary assembly (300) is divided into a first auxiliary assembly and a second auxiliary assembly, the first auxiliary assembly is arranged above the extrusion assembly (200), the second auxiliary assembly is arranged above the separation assembly (400), the extrusion assembly (200) comprises a driving shaft (210) and a spiral blade (220), the spiral blade (220) is arranged on the outer side of the driving shaft (210), the first auxiliary assembly comprises a cover cap (310) and an inner spiral lining plate (320), the inner spiral lining plate (320) is arranged on the inner wall of the cover cap (310), the screwing direction of the inner spiral lining plate (320) is consistent with that of the spiral blade (220), and an extrusion gap is reserved between opposite side wall bodies of the inner spiral lining plate (320) and the spiral blade (220);
a mounting beam (240) and a movable piece (230) are arranged between the spiral blade (220) and the driving shaft (210), the direction of the mounting beam (240) is consistent with the axial direction of the driving shaft (210), the mounting beam (240) is mounted on the outer wall of the driving shaft (210), the movable piece (230) is arranged on the mounting beam (240), one side of the spiral blade (220) is mounted on the end part of the movable piece (230), the movable piece (230) can drive the spiral blade (220) to compress/expand along the axial direction of the driving shaft (210), and the width of an extrusion gap is reduced/increased when the spiral blade (220) compresses/expands;
the separation assembly (400) comprises a first separation bucket (410) and a second separation bucket (420), the first separation bucket (410) and the second separation bucket (420) are inserted with the same connecting shaft, a differential coupler (500) is connected between the connecting shaft and the driving shaft (210), the first separation bucket (410) and the second separation bucket (420) are driven by the driving shaft (210) to separate solid phase from liquid phase in sludge, a liquid discharge groove is formed in the inner wall of one side of the bottom shell (100) close to the separation assembly (400), the liquid phase is output through the liquid discharge groove, a discharge hopper (111) is arranged on the side wall of the bottom shell (100), and the solid phase is extruded and discharged through the discharge hopper (111).
2. A sludge pretreatment apparatus according to claim 1, characterized in that: the movable piece (230) comprises a connecting support (231), a movable groove (232) and a limiting pin (233), wherein the movable groove (232) is formed in the inner wall of one end of the connecting support (231), the limiting pin (233) is formed in the outer side wall of the spiral blade (220), the limiting pin (233) is inserted into the groove wall of the movable groove (232), a limiting protrusion is arranged at the end part of the limiting pin (233), and the spiral blade (220) is restrained from moving along the length direction of the limiting pin (233).
3. A sludge pretreatment apparatus according to claim 2, characterized in that: the tail end of the installation beam (240) is provided with a telescopic rod (250), and a reset piece is arranged between the rod end of the telescopic rod (250) and the inner wall of the installation beam (240).
4. A sludge pretreatment apparatus as claimed in claim 3, wherein: the end of the connecting bracket (231) is connected with the rod end of the telescopic rod (250), and when the telescopic rod (250) moves along the length direction of the mounting beam (240), the connecting bracket (231) drives the helical blade (220) on the connecting bracket to compress.
5. The sludge pretreatment apparatus as claimed in claim 4, wherein: the bottom shell (100) comprises a separation seat (110) and an extrusion bin (120), the extrusion bin (120) and the separation bin are respectively connected with a first auxiliary assembly and a second auxiliary assembly, a liquid throwing port (113) is formed in the outer wall of one side, far away from the receiving hopper (112), of the separation bin, and a filter screen is arranged in the liquid throwing port (113).
6. The sludge pretreatment apparatus as claimed in claim 5, wherein: the middle part of the connecting shaft is provided with a bracket, and a plurality of top magnetic rods (430) are annularly distributed on the outer wall of the bracket.
7. The sludge pretreatment apparatus as claimed in claim 6, wherein: the first separating hopper (410) and the second separating hopper (420) comprise a hopper body and a movable magnetic plate (422), a liquid draining bin (421) is arranged on the inner side wall of the hopper body, and the movable magnetic plate (422) is movably connected to the inner wall of the liquid draining bin (421).
8. The sludge pretreatment apparatus as claimed in claim 7, wherein: the top side of the liquid draining bin (421) is provided with a liquid leakage hole, and a turning plate is arranged in the liquid leakage hole.
9. A sludge pretreatment apparatus as claimed in claim 8, wherein: the outer wall of one end of the cover cap (310) is provided with a feeding port (330), and the feeding port (330) is used for feeding sludge materials to be pretreated.
10. A sludge pretreatment process by a sludge pretreatment apparatus as claimed in claim 9, comprising the steps of:
s1: the sludge material to be pretreated is input into the extrusion assembly (200) through the feeding port (330), the extrusion assembly (200) is driven by a driving source connected with the end of the driving shaft (210), the spiral blades (220) are screwed into the sludge, meanwhile, the sludge is extruded between the inner spiral lining plate (320) and the spiral blades (220), the sludge is continuously extruded, so that large solid particles in the sludge are extruded, and then the sludge is continuously screwed into the separation assembly (400), so that the solid phase is separated out from the liquid phase of the sludge, and the sludge enters the separation assembly together;
s2: in the separation assembly (400), the liquid phase is continuously discharged through the liquid discharge groove, meanwhile, the liquid phase remained in the solid phase is firstly thrown through the first separation hopper (410), along with the throwing, the sludge is continuously centrifugally thrown onto the inner wall of the second auxiliary assembly, when the sludge passes through the liquid throwing port (113), the liquid phase is separated, the water content of the solid phase is reduced and is in a lump shape after the continuous throwing, and the solid phase can be continuously extruded out through the discharge hopper (111) when the first separation hopper (410) and the second separation hopper (420) rotate;
s3: the second separation hopper (420) and the first separation hopper (410) have an angle difference, the second separation hopper (420) can assist the first separation hopper (410) to accelerate sludge treatment capacity, meanwhile, movable magnetic plates (422) are arranged in the first separation hopper (410) and the second separation hopper (420), and when the movable magnetic plates pass through the rod ends of the top magnetic rods (430), the movable magnetic plates (422) move and squeeze towards one sides of the top magnetic rods (430) to accelerate solid phase and liquid phase separation;
s4: the liquid phase is collected by a liquid discharge tank and reprecipitated, and can be subjected to secondary treatment, and the solid phase is collected by a discharge hopper (111) and then subjected to subsequent steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310762728.7A CN116495960B (en) | 2023-06-27 | 2023-06-27 | Sludge pretreatment equipment and treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310762728.7A CN116495960B (en) | 2023-06-27 | 2023-06-27 | Sludge pretreatment equipment and treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116495960A true CN116495960A (en) | 2023-07-28 |
| CN116495960B CN116495960B (en) | 2023-10-20 |
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Family Applications (1)
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205974220U (en) * | 2016-07-22 | 2017-02-22 | 浙江双林机械股份有限公司 | Spiral filtration dewatering machine |
| WO2018034300A1 (en) * | 2016-08-17 | 2018-02-22 | 株式会社エイブル | Combined dehydration device |
| WO2019165834A1 (en) * | 2018-03-01 | 2019-09-06 | 中国石油大学(北京) | Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewater |
| WO2021089924A1 (en) * | 2019-11-08 | 2021-05-14 | Eco Wws Oy | Drying method and device for sludge |
| KR20210058002A (en) * | 2019-11-13 | 2021-05-24 | 주식회사 포스코건설 | Apparatus for treating waste water using iron oxide powder |
| US20210188682A1 (en) * | 2017-10-26 | 2021-06-24 | X2 Solutions S.R.L. | Device for sludge treatment |
| CN114149163A (en) * | 2021-12-31 | 2022-03-08 | 江苏新裕泰华环保集团有限公司 | Spiral sludge dewatering machine with good drying effect and use method thereof |
| KR20220122819A (en) * | 2021-02-26 | 2022-09-05 | 주식회사 엘림글로벌 | Method and System for Decontamination of Contaminated Soil |
| KR20230016940A (en) * | 2021-07-27 | 2023-02-03 | 한국수자원공사 | Method of Sludge Dehydration |
-
2023
- 2023-06-27 CN CN202310762728.7A patent/CN116495960B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205974220U (en) * | 2016-07-22 | 2017-02-22 | 浙江双林机械股份有限公司 | Spiral filtration dewatering machine |
| WO2018034300A1 (en) * | 2016-08-17 | 2018-02-22 | 株式会社エイブル | Combined dehydration device |
| US20210188682A1 (en) * | 2017-10-26 | 2021-06-24 | X2 Solutions S.R.L. | Device for sludge treatment |
| WO2019165834A1 (en) * | 2018-03-01 | 2019-09-06 | 中国石油大学(北京) | Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewater |
| WO2021089924A1 (en) * | 2019-11-08 | 2021-05-14 | Eco Wws Oy | Drying method and device for sludge |
| KR20210058002A (en) * | 2019-11-13 | 2021-05-24 | 주식회사 포스코건설 | Apparatus for treating waste water using iron oxide powder |
| KR20220122819A (en) * | 2021-02-26 | 2022-09-05 | 주식회사 엘림글로벌 | Method and System for Decontamination of Contaminated Soil |
| KR20230016940A (en) * | 2021-07-27 | 2023-02-03 | 한국수자원공사 | Method of Sludge Dehydration |
| CN114149163A (en) * | 2021-12-31 | 2022-03-08 | 江苏新裕泰华环保集团有限公司 | Spiral sludge dewatering machine with good drying effect and use method thereof |
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| CN116495960B (en) | 2023-10-20 |
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