CN110327690B - Combined sewage treatment system and working method thereof - Google Patents
Combined sewage treatment system and working method thereof Download PDFInfo
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- CN110327690B CN110327690B CN201910587246.6A CN201910587246A CN110327690B CN 110327690 B CN110327690 B CN 110327690B CN 201910587246 A CN201910587246 A CN 201910587246A CN 110327690 B CN110327690 B CN 110327690B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a combined sewage treatment system, which comprises a sedimentation unit; the sedimentation unit comprises a recovery tank, a sedimentation tank and a liquid separation tank; the recovery pool is communicated and arranged above the liquid separating groove; the upper end of the side wall of the liquid separation tank is communicated with the lower end of the side wall of the settling tank; a discharge hole is formed in the lower end of the side wall of the liquid separating groove; a fine filter screen is arranged at the upper end of the discharge port; the outer side of the fine filter screen is correspondingly provided with a lead-in groove; the bottom of the settling tank is communicated with a filter press; a filter window is arranged at the communication position of the settling tank and the liquid separating tank; the filtering capacity of the filter window is enhanced by increasing the total depth of the sewage in the liquid separating tank; a suction filtration unit is arranged in the settling tank; the filtering capacity of the suction filtering unit is supplemented, so that the sewage treatment capacity of the original static pressure filtering structure can be greatly enhanced, and the treatment efficiency of the static pressure filtering structure is obviously improved.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a combined sewage treatment system and a working method thereof.
Background
At present, the traditional grating is mostly adopted for the filtering effect of the sewage treatment, and the efficiency is limited. In order to improve the overall filtering efficiency of the treatment system, it is necessary to invent a combined sewage treatment system combining static pressure filtration and active filtration of a dynamic device.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a combined sewage treatment system combining static pressure filtration and active filtration of a dynamic device.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a combined sewage treatment system, comprising a sedimentation unit; the sedimentation unit comprises a recovery tank, a sedimentation tank and a liquid separation tank; the recovery pool is communicated and arranged above the liquid separating groove; the upper end of the side wall of the liquid separation tank is communicated with the lower end of the side wall of the settling tank; a discharge hole is formed in the lower end of the side wall of the liquid separating groove; a fine filter screen is arranged at the upper end of the discharge port; the outer side of the fine filter screen is correspondingly provided with a lead-in groove; the bottom of the settling tank is communicated with a filter press;
a material distributing partition plate is also arranged in the settling tank; a filter window is arranged at the communication position of the settling tank and the liquid separating tank; the lower end of the filter window is spaced from the bottom of the settling tank; the material distributing partition plate is flush with the lower end of the filter window in the height direction; the material distributing partition plate comprises a first plate body and a second plate body; the side surface of the first plate body is correspondingly attached to the side wall of the settling tank; the first plate body is provided with a plurality of first through holes along the thickness direction of the first plate body; the second plate body is arranged at the upper end of the first plate body in a sliding manner; the second plate body is provided with a second through hole along the thickness direction of the second plate body; one end of the second through hole on the sliding path corresponds to the first through hole in position, and the other end of the second through hole is staggered with the first through hole in position;
a screw is vertically arranged in the settling tank; a screw hole penetrates through the first plate body along the thickness direction; the screw rod is matched with the screw hole to drive the screw rod to reciprocate.
Further, the filter window comprises a frame body, a first filter screen, a reinforcing plate and a second filter screen; the frame body is arranged on the side wall of the liquid dividing groove; the reinforcing plate is arranged on one side of the frame body, which is far away from the settling tank; the first filter screen is arranged in the frame in a sliding manner; a reinforcing rib is arranged on one side, facing the reinforcing plate, of the first filter screen; the reinforcing rib comprises a plurality of concentric annular pieces connected with each other; spring parts are connected between the reinforcing ribs and the reinforcing plate; the second filter screen is embedded on the circumferential side wall of the frame body of the first filter screen.
Further, the filter press comprises a pressing cylinder and a piston member; the piston piece is vertically embedded in the pressing cylinder and performs reciprocating telescopic motion along the height direction of the pressing cylinder; the upper end of the side wall of the pressing cylinder is communicated with a charging pipe; one end of the charging pipe, which is far away from the pressing cylinder, is communicated with the bottom of the settling tank; a drainer is arranged on the end surface of the piston piece; the drainer comprises a water absorbing part and a water conduit; the water absorbing piece is made of soft water absorbing materials; one end of the water conduit is embedded into the water absorbing part, and the other end of the water conduit penetrates through the piston part and extends to the outside of the filter press; the plurality of water drainers are annularly distributed on the end surface of the piston piece; an ejector is arranged at the center of the end face of the piston piece; the ejector comprises a top plate and a telescopic rod; the telescopic rod drives the top plate to move in a direction far away from the surface of the piston piece; and a sealing cover is arranged at one end of the pressing cylinder corresponding to the stroke end of the piston piece in a matching way.
Further, a discharger is arranged on the charging pipe; the discharger comprises a preheating ring and a kick-out device; the preheating ring is arranged at the periphery of the charging pipe in a wrapping manner; the kick-out device is correspondingly arranged at the downstream position of the preheating ring; the kick-out device comprises a rotating shaft, a kick-out piece and a motor body; two ends of the rotating shaft are embedded in the side wall of the discharger; the motor body is arranged outside the discharger; the power output end of the motor body is connected with the rotating shaft in a matching way; the poking pieces are circumferentially connected and arranged on the rotating shaft.
Furthermore, the plectrum is of a two-section structure and comprises a first sheet body and a second sheet body; one end of the first sheet body is connected with the rotating shaft, and the other end of the first sheet body is connected with the second sheet body in an integral bending mode; the deflection direction of the second sheet body is consistent with the rotation tangential direction of the poking sheet; one end of the second sheet body, which is far away from the first sheet body, is provided with crushing teeth; a plurality of crushing teeth are mutually spaced and distributed in rows along the edge of the first sheet body.
Further, the normal to the plane of the first blade is at an angle of 50 ° to 70 ° to the axis of rotation.
Furthermore, a suction filtration unit is arranged in the settling tank; the suction filtration unit comprises a first channel; an installation plate is arranged on the periphery of one end of the first channel; a third filter screen is arranged in the first channel; the net surface of the third filter screen is flush with the mounting plate; a cover body is arranged on one side, away from the first channel, of the mounting plate; a fourth filter screen is embedded in the surface of the cover body; the meshes of the third filter screen are smaller than those of the fourth filter screen; one end of the first channel, which is far away from the cover body, extends into the lead-in groove; a second channel is embedded in the mounting plate; one end of the second channel is communicated with the inner space of the cover body, and the other end of the second channel extends into the recovery pool; a baffle is clamped between the mounting plate and the cover body; the baffle is in sliding fit with the mounting plate.
Further, a working method of the combined sewage treatment system comprises the following steps: the sewage to be treated firstly enters a settling tank; the sewage in the settling tank passes through the filtering window and enters the liquid separating tank under the action of static pressure; sewage in the liquid dividing tank passes through the fine filter screen to enter the lead-in tank under the action of static pressure, and the sewage in the lead-in tank continues to be subjected to subsequent processes such as disinfection and the like;
meanwhile, the suction filtration unit performs suction filtration separation on the sewage in the settling tank under the action of the water pump; wherein, part of the sewage is filtered by the fourth filter screen and the third filter screen, enters the guiding groove from the first channel and is converged with the sewage passing through the fine filter screen; the sewage which is in the space of the cover body and cannot pass through the third filter screen enters the recovery tank through the second channel, and enters the access groove after passing through the fine filter screen;
after the sewage treatment system works for a period of time, a certain amount of solid sediment is accumulated in the area below the material partition plate in the settling tank; at the moment, the screw is rotated to drive the first plate body to move downwards to compress a solid precipitation area; then, the second plate body is slid to seal the first through hole, the first plate body is continuously driven to press downwards, and meanwhile, the discharger is started to transfer the solid precipitate in the settling tank into the pressing cylinder;
the piston part is operated to compress the solid sediment in the pressing cylinder, and the water in the solid sediment passes through the water absorbing part and is discharged from the water conduit; after the compression process is finished, the sealing cover is opened, and the ejector is driven to push the compressed object cake away from the pressing cylinder.
Has the advantages that: the invention relates to a combined sewage treatment system, which comprises a sedimentation unit; the sedimentation unit comprises a recovery tank, a sedimentation tank and a liquid separation tank; the recovery pool is communicated and arranged above the liquid separating groove; the upper end of the side wall of the liquid separation tank is communicated with the lower end of the side wall of the settling tank; a discharge hole is formed in the lower end of the side wall of the liquid separating groove; a fine filter screen is arranged at the upper end of the discharge port; the outer side of the fine filter screen is correspondingly provided with a lead-in groove; the bottom of the settling tank is communicated with a filter press; a filter window is arranged at the communication position of the settling tank and the liquid separating tank; the filtering capacity of the filter window is enhanced by increasing the total depth of the sewage in the liquid separating tank; a suction filtration unit is arranged in the settling tank; the filtering capacity of the suction filtering unit is supplemented, so that the sewage treatment capacity of the original static pressure filtering structure can be greatly enhanced, and the treatment efficiency of the static pressure filtering structure is obviously improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a processing system;
FIG. 2 is a schematic view of a material-distributing partition plate;
FIG. 3 is a schematic view of a filter structure;
FIG. 4 is a schematic view of the filter press;
FIG. 5 is a schematic view of a discharger;
FIG. 6 is a schematic structural view of a suction filtration unit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A combined sewage treatment system comprises a sedimentation unit 3; the settling unit 3 comprises a recovery tank 31, a settling tank 32 and a liquid separation tank 33; a filter window 36 is arranged at the communication part of the settling tank 32 and the liquid separating tank 33; the recovery tank 31 is communicated with and arranged above the liquid separating tank 33, and the filtering capacity of the filter window 36 can be enhanced by increasing the total depth of the sewage in the liquid separating tank 33; the upper end of the side wall of the liquid separating tank 33 is communicated with the lower end of the side wall of the settling tank 32; a discharge hole 301 is formed in the lower end of the side wall of the liquid dividing tank 33; a fine filter screen 302 is arranged at the upper end of the discharge hole 301; the outer side of the fine filter screen 302 is correspondingly provided with a lead-in groove; the bottom of the settling tank 32 is communicated with a filter press 5;
a material distributing clapboard 34 is also arranged in the settling tank 32; the filtering holes of the filtering windows 36 are larger than the fine filtering net 302, so that the sewage in the settling tank 32 can enter the connecting groove to enter the next treatment process after being filtered by two stages; the lower end of the filter window 36 is spaced from the bottom of the settling tank 32; the material separating clapboard 34 is flush with the lower end of the filter window 36 in the height direction; the distributing partition 34 comprises a first plate 341 and a second plate 342; the side surface of the first plate 341 is correspondingly attached to the side wall of the settling tank 32; the first plate 341 has a plurality of first through holes 343 along the thickness direction thereof; the second plate 342 is slidably disposed on the upper end of the first plate 341; the second plate 342 is provided with a second through hole 344 along the thickness direction thereof; one end of the second through hole 344 in the sliding path corresponds to the first through hole 343, and the other end of the sliding path is staggered from the first through hole 343; in the initial state, the first through hole 343 and the second through hole 344 are communicated, and the sewage passes through the filtering window 36, and the solid sediment therein also sinks through the through holes to enter the area below the material separating partition plate 34;
a screw rod 39 is vertically arranged in the settling tank 32; a screw hole 345 is formed in the first plate 341 along the thickness direction; the screw rod 39 is matched with the screw hole 345 and drives the screw rod to reciprocate, so that solid sediment below the material separating partition plate is compressed;
the filter window 36 comprises a frame 361, a first filter screen 362, a reinforcing plate 363 and a second filter screen 364, wherein the mesh sizes of the first filter screen 362 and the second filter screen 364 are the same; the frame 361 is arranged on the side wall of the liquid separating groove 33; the reinforcing plate 363 is arranged on one side of the frame body 361 far away from the settling tank 32; the first filter screen 362 is slidably disposed in the frame 361; a reinforcing rib 365 is arranged on one side of the first filter screen 362 facing the reinforcing plate 363; the reinforcing ribs 365 comprise a plurality of concentric annular pieces which are connected with each other, so that pressure received by the net surface can be uniformly shared, and the stability of the structure of the reinforcing ribs is guaranteed; a spring element is connected between the reinforcing rib 365 and the reinforcing plate 363; the second filter screen 364 is embedded in the circumferential frame sidewall of the first filter screen 362; when the depth of sewage in the settling tank 32 is increased, the pressure on the filter windows 36 is synchronously increased, the spring element is stressed and compressed, and the first filter screen 362 leaks the second filter screen 364 in the moving process, so that the passing area of the filter windows 36 is increased, and the filtering capacity of the filter windows is enhanced.
The filter press 5 comprises a pressure cylinder 51 and a piston member 52; the piston piece 52 is vertically embedded in the pressing cylinder 51 and performs reciprocating telescopic motion along the height direction of the pressing cylinder 51; the upper end of the side wall of the pressing cylinder 51 is communicated with a charging pipe 501; one end of the charging pipe 501, which is far away from the pressing cylinder 51, is communicated with the bottom of the settling tank 32; a water drainer 53 is arranged on the end surface of the piston piece 52; the drainer 53 includes a water absorbing member 531 and a water guide pipe 532; the water absorbing piece 531 is made of soft water absorbing material, such as sponge and the like, and can prevent solid precipitates from entering while accumulating water, so that a high-efficiency dewatering effect is achieved; one end of the water conduit 532 is embedded in the water absorbing member 531, and the other end passes through the piston member 52 and extends to the outside of the filter press 5; a plurality of said water drains 53 are annularly distributed on the end surface of the piston member 52; an ejector 54 is arranged at the center of the end face of the piston piece 52; the ejector 54 includes a top plate 541 and an expansion link 542; the telescopic rod 542 drives the top plate 541 to move in a direction far away from the surface of the piston member 52; a sealing cover 56 is arranged at one end of the pressing cylinder 51 corresponding to the stroke end of the piston piece 52 in a matching way; after the compression of the solid deposits in the pressing cylinder 51 is completed, the cover 56 is opened and the cake is pushed out by the ejector 54, and the cake can be used for fertilizer production and the like.
The charging pipe 501 is provided with a discharger 55; the discharger 55 comprises a preheating ring 551 and a kick-out device 552; the preheating ring 551 is wrapped on the periphery of the charging pipe 501, and can raise the temperature of a nearby pipeline, so that the flowability of solid precipitates is enhanced, and blockage is prevented; the kick-out device 552 is correspondingly arranged at the downstream position of the preheating ring 551; the pusher 552 includes a rotating shaft 553, a pusher 554, and a motor body 555; both ends of the rotating shaft 553 are embedded in the side wall of the discharger 55; the motor body 555 is arranged outside the discharger 55; the power output end of the motor body 555 is connected with the rotating shaft 553 in a matching way; a plurality of shifting pieces 554 are circumferentially connected and arranged on the rotating shaft 553; the shifting piece 554 has a two-section structure and comprises a first piece 557 and a second piece 558; one end of the first sheet body 557 is connected with the rotating shaft 553, and the other end is connected with the second sheet body 558 in an integral bending way; the deflection direction of the second sheet body 558 is consistent with the rotation tangential direction of the shifting sheet 554, so that the positive pressure on the side surface can be avoided, the torque of the root of the sheet body can be reduced by using tangential force, and the bending capability of the sheet body can be enhanced; the crushing teeth 559 are arranged on one end, far away from the first sheet body 557, of the second sheet body 558, so that larger solid precipitates can be crushed and stirred, and the anti-clogging capability is further enhanced; a plurality of crushing teeth 559 are spaced from each other and distributed in rows along the edge of the first sheet 558; the normal to the plane of the first flakes 557 makes an angle of 50-70 degrees with the axis of rotation 553, and if the angle is too small, the ability of the flakes to stir the solids deposit is too weak, and if the angle is too large, the first flakes may break off from the roots as described above.
The suction filtration unit 6 is arranged in the settling tank 32; the suction filtration unit 6 comprises a first channel 61; a mounting plate 62 is arranged on the periphery of one end of the first channel 61; a third filter screen 63 is arranged in the first channel 61; the net surface of the third filter screen 63 is flush with the mounting plate 62; a cover 64 is arranged on one side of the mounting plate 62 away from the first channel 61; a fourth filter screen 65 is embedded in the surface of the cover body 64; the meshes of the third filter screen 63 are smaller than those of the fourth filter screen 65; one end of the first channel 61, which is far away from the cover body 64, extends into the guiding groove; a second channel 66 is embedded in the mounting plate 62; one end of the second channel 66 is communicated with the inner space of the cover 64, and the other end extends into the recovery tank 31; a baffle plate 67 is clamped between the mounting plate 62 and the cover body 64; the baffle 67 is in sliding fit with the mounting plate 62, and the filtering area of the third filter screen 63 can be adjusted, so that the baffle is matched with the sewage replenishing speed in the settling tank 32 to form certain dynamic balance; the filtering capacity of the suction filtering unit 6 is supplemented, so that the sewage treatment capacity of the original static pressure filtering structure can be greatly enhanced, and the treatment efficiency of the structure is remarkably improved.
A working method of a combined sewage treatment system comprises the following steps: the sewage to be treated firstly enters a settling tank 32; the sewage in the settling tank 32 passes through the filtering window 36 and enters the liquid separating tank 33 under the action of static pressure; the sewage in the liquid separating tank 33 passes through the fine filter screen 302 under the action of static pressure and enters the guiding tank, and the sewage in the guiding tank continues to carry out subsequent processes such as disinfection and the like;
meanwhile, the suction filtration unit 6 performs suction filtration separation on the sewage in the settling tank 32 under the action of the water pump; wherein, part of the sewage is filtered by the fourth filter screen 65 and the third filter screen 63, enters the guiding groove from the first channel 61 and is merged with the sewage passing through the fine filter screen 302; the sewage in the space of the cover body 64 which does not pass through the third filter screen 63 enters the recovery tank 31 through the second channel 66 and enters the access groove after passing through the fine filter screen 302;
after the sewage treatment system works for a period of time, a certain amount of solid sediment is accumulated in the region below the material partition plate 34 in the settling tank 32; at this time, the screw 39 is rotated to drive the first plate 341 to move downwards to compress the solid settling area; then, the second plate body 342 is slid to close the first through hole 343, the first plate body 341 is driven to press downwards continuously, and simultaneously the discharger 55 is opened to transfer the solid precipitate in the settling tank 32 into the pressing cylinder 51;
the piston member 52 is operated to compress the solid precipitate in the pressing cylinder 51, and the water contained therein is discharged from the water conduit 532 after passing through the water absorbing member 531; after the compression process is completed, the cover 56 is opened and the ejector 54 is driven to push the compressed cake of objects away from the platen 51.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (7)
1. The utility model provides a modular sewage treatment system which characterized in that: comprising a sedimentation unit (3); the sedimentation unit (3) comprises a recovery pool (31), a sedimentation tank (32) and a liquid separation tank (33); the recovery tank (31) is communicated and arranged above the liquid separating tank (33); the upper end of the side wall of the liquid separating tank (33) is communicated with the lower end of the side wall of the settling tank (32); a discharge hole (301) is formed in the lower end of the side wall of the liquid dividing tank (33); a fine filter screen (302) is arranged at the upper end of the discharge hole (301); the outer side of the fine filter screen (302) is correspondingly provided with a lead-in groove; the bottom of the settling tank (32) is communicated with a filter press (5);
a material distributing clapboard (34) is also arranged in the settling tank (32); a filter window (36) is arranged at the communication part of the settling tank (32) and the liquid separating tank (33); the lower end of the filter window (36) is spaced from the bottom of the settling tank (32); the material distributing partition plate (34) is flush with the lower end of the filter window (36) in the height direction; the material distributing clapboard (34) comprises a first plate body (341) and a second plate body (342); the side surface of the first plate body (341) is correspondingly attached to the side wall of the settling tank (32); the first plate body (341) is provided with a plurality of first through holes (343) along the thickness direction; the second plate body (342) is arranged at the upper end of the first plate body (341) in a sliding manner; the second plate body (342) is provided with a second through hole (344) along the thickness direction of the second plate body; one end of the second through hole (344) on the sliding path corresponds to the first through hole (343) in position, and the other end of the sliding path is staggered with the first through hole (343);
a screw rod (39) is vertically arranged in the settling tank (32); a screw hole (345) is arranged on the first plate body (341) in a penetrating manner along the thickness direction; the screw rod (39) is matched with the screw hole (345) to drive the screw rod to reciprocate;
a suction filtration unit (6) is arranged in the settling tank (32); the suction filtration unit (6) comprises a first channel (61); a mounting plate (62) is arranged on the periphery of one end of the first channel (61); a third filter screen (63) is arranged in the first channel (61); the net surface of the third filter screen (63) is flush with the mounting plate (62); a cover body (64) is arranged on one side, away from the first channel (61), of the mounting plate (62); a fourth filter screen (65) is embedded in the surface of the cover body (64); the meshes of the third filter screen (63) are smaller than those of the fourth filter screen (65); one end of the first channel (61) far away from the cover body (64) extends into the guide groove; a second channel (66) is embedded in the mounting plate (62); one end of the second channel (66) is communicated with the inner space of the cover body (64), and the other end of the second channel extends into the recovery tank (31); a baffle plate (67) is clamped between the mounting plate (62) and the cover body (64); the baffle (67) is in sliding fit with the mounting plate (62).
2. The modular wastewater treatment system of claim 1, wherein: the filter window (36) comprises a frame body (361), a first filter screen (362), a reinforcing plate (363) and a second filter screen (364); the frame body (361) is arranged on the side wall of the liquid separation tank (33); the reinforcing plate (363) is arranged on one side, away from the settling tank (32), of the frame body (361); the first filter screen (362) is arranged in the frame body (361) in a sliding mode; a reinforcing rib (365) is arranged on one side, facing the reinforcing plate (363), of the first filter screen (362); the reinforcing rib (365) comprises a plurality of concentric annular members connected with each other; a spring part is connected between the reinforcing rib (365) and the reinforcing plate (363); the second filter screen (364) is embedded on the circumferential frame side wall of the first filter screen (362).
3. The modular wastewater treatment system of claim 1, wherein: the filter press (5) comprises a pressure cylinder (51) and a piston member (52); the piston piece (52) is vertically embedded in the pressing cylinder (51) and performs reciprocating telescopic motion along the height direction of the pressing cylinder (51); the upper end of the side wall of the pressing cylinder (51) is communicated with a charging pipe (501); one end of the charging pipe (501), which is far away from the pressing cylinder (51), is communicated with the bottom of the settling tank (32); a drainer (53) is arranged on the end surface of the piston piece (52); the drainer (53) comprises a water absorbing part (531) and a water conduit (532); the water absorbing piece (531) is made of soft water absorbing material; one end of the water conduit (532) is embedded into the water absorbing part (531), and the other end of the water conduit passes through the piston part (52) and extends to the outside of the filter press (5); a plurality of water discharging devices (53) are distributed on the end surface of the piston piece (52) in an annular shape; an ejector (54) is arranged at the center of the end face of the piston piece (52); the ejector (54) comprises a top plate (541) and an expansion rod (542); the telescopic rod (542) drives the top plate (541) to move in a direction far away from the surface of the piston piece (52); and a sealing cover (56) is arranged at one end of the pressing cylinder (51) corresponding to the stroke end of the piston piece (52) in a matching way.
4. The modular wastewater treatment system of claim 3, wherein: a discharger (55) is arranged on the charging pipe (501); the discharger (55) comprises a preheating ring (551) and a kick-out device (552); the preheating ring (551) is wrapped on the periphery of the charging pipe (501); the kick-out device (552) is correspondingly arranged at the downstream position of the preheating ring (551); the kick-out device (552) comprises a rotating shaft (553), a kick-out piece (554) and a motor body (555); both ends of the rotating shaft (553) are embedded in the side wall of the discharger (55); the motor body (555) is arranged outside the discharger (55); the power output end of the motor body (555) is connected with the rotating shaft (553) in a matching way; the poking sheets (554) are circumferentially connected and arranged on the rotating shaft (553).
5. The modular wastewater treatment system of claim 4, wherein: the poking sheet (554) is of a two-section structure and comprises a first sheet body (557) and a second sheet body (558); one end of the first sheet body (557) is connected with the rotating shaft (553), and the other end of the first sheet body is integrally connected with the second sheet body (558) in a bending way; the deflection direction of the second blade (558) is tangential to the rotation of the pick (554); one end, far away from the first sheet body (557), of the second sheet body (558) is provided with crushing teeth (559); a plurality of the crushing teeth (559) are spaced from each other and distributed in rows along the edge of the first sheet body (558).
6. The modular wastewater treatment system of claim 5, wherein: the normal to the plane of the first blade (557) forms an angle of 50 DEG-70 DEG with the axis of rotation (553).
7. The method of operating a modular wastewater treatment system according to any of claims 1 to 6, wherein: the sewage to be treated firstly enters a settling tank (32); the sewage in the settling tank (32) passes through the filtering window (36) and enters the liquid separating tank (33) under the action of static pressure; the sewage in the liquid separating tank (33) passes through the fine filter screen (302) under the action of static pressure to enter the guiding tank, and the sewage in the guiding tank continues to carry out subsequent processes such as disinfection and the like;
meanwhile, the suction filtration unit (6) performs suction filtration separation on the sewage in the settling tank (32) under the action of a water pump; wherein, part of the sewage enters the guiding groove from the first channel (61) after being filtered by the fourth filter screen (65) and the third filter screen (63) and is converged with the sewage passing through the fine filter screen (302); the sewage in the space of the cover body (64) which can not pass through the third filter screen (63) enters the recovery tank (31) through the second channel (66) and enters the access groove after passing through the fine filter screen (302);
after the sewage treatment system works for a period of time, a certain amount of solid sediment is accumulated in the region below the material partition plate (34) in the settling tank (32); at the moment, the screw (39) is rotated to drive the first plate body (341) to move downwards to compress a solid precipitation area; then the second plate body (342) is slid to close the first through hole (343), the first plate body (341) is driven to press downwards continuously, and simultaneously the discharger (55) is started to transfer the solid sediment in the settling tank (32) into the pressing cylinder (51);
the piston member (52) is operated to compress the solid sediment in the pressing cylinder (51), and the water in the solid sediment passes through the water absorbing member (531) and is discharged from the water conduit (532); after the compression process is finished, the sealing cover (56) is opened, and the ejector (54) is driven to push the compressed object cake away from the pressing cylinder (51).
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| CN201910587246.6A CN110327690B (en) | 2019-07-02 | 2019-07-02 | Combined sewage treatment system and working method thereof |
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| CN201910587246.6A CN110327690B (en) | 2019-07-02 | 2019-07-02 | Combined sewage treatment system and working method thereof |
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| CN110327690A CN110327690A (en) | 2019-10-15 |
| CN110327690B true CN110327690B (en) | 2021-06-22 |
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| CN112044169B (en) * | 2020-08-12 | 2023-01-17 | 无锡市英波化工有限公司 | Environment-friendly interior wall coating process system and waste material filter pressing treatment process thereof |
| CN113209709B (en) * | 2021-03-31 | 2022-08-09 | 青岛康景辉环境科技集团有限公司 | Circulating silt-sinking prevention method for evaporative crystallization mother liquid tank |
| CN113813651A (en) * | 2021-08-30 | 2021-12-21 | 安徽清泓环境科技有限公司 | Automatic sewage treatment equipment |
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| DE2319608A1 (en) * | 1973-04-18 | 1974-11-14 | Brochier Fa Hans | Clarifying swill slurry from tunnel boring machines - by vacuum filth. through coarse granular layer in settling and storage tanks |
| WO2004050564A1 (en) * | 2002-12-02 | 2004-06-17 | Korea Institute Of Construction Technology | Apparatus and method for performing tertiary treatment of sewage based on porous filtering media |
| CN106977028A (en) * | 2017-04-28 | 2017-07-25 | 广东城基生态科技股份有限公司 | Sewage disposal system |
| CN108057263A (en) * | 2017-12-19 | 2018-05-22 | 成都市瑞焱科技有限公司 | A kind of small ship type sedimentation tank device for treating sewage |
| CN208964769U (en) * | 2018-08-29 | 2019-06-11 | 福建联森环保科技有限公司 | A kind of septic tank cleaning equipment |
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