CN216653735U - Multistage filtration formula sewage treatment device - Google Patents
Multistage filtration formula sewage treatment device Download PDFInfo
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- CN216653735U CN216653735U CN202123284100.6U CN202123284100U CN216653735U CN 216653735 U CN216653735 U CN 216653735U CN 202123284100 U CN202123284100 U CN 202123284100U CN 216653735 U CN216653735 U CN 216653735U
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- filtering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses a multi-stage filtration type sewage treatment device, which adopts the technical scheme that: including filtering the casing, filter the inside fixed baffle that is equipped with of casing, the fixed second magnet that is equipped with in baffle one side, both sides wall has all seted up the ring channel around filtering the casing, filters the inside filtering mechanism that is equipped with of casing, and filtering mechanism includes first reciprocal lead screw, and first reciprocal lead screw one end passes through the bearing with a baffle lateral wall to be connected, and a multistage filtration formula sewage treatment device beneficial effect is: the debris that filter the sewage that filters first filter plate surface through the brush board among the filter mechanism are swept away, prevent that debris from stopping on first filter plate surface, influence first filter plate to the filter effect of follow-up sewage, the brush board is swept away debris simultaneously and is convenient for carry out automatic clearance to debris, and the second filter plate comes and goes to and removes and sieves the debris that drop to second filter plate surface, prevents that debris from adsorbing has sewage, influences the cleaning efficiency of debris, and then reduces sewage treatment personnel's work load.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a multi-stage filtering type sewage treatment device.
Background
The sewage is the discharged water from life and production which is polluted to a certain extent, the sewage is the water which is mainly used in life and contains more organic matters and is easy to treat because new substances are doped into the water or the water which loses the original use function is called the sewage for short because the water is deteriorated and can not continuously keep the original use function because of the change of external conditions.
Current sewage is when handling, and debris in the sewage can be intercepted by the filter screen, and along with filter time's increase, filter screen surface debris increase, influence the infiltration effect of filter screen, need clear up debris alone, and debris adsorbs simultaneously has sewage, influences the clearance degree of difficulty, increases sewage treatment personnel work load.
Disclosure of Invention
Therefore, the utility model provides multi-stage filtration type sewage treatment equipment, which solves the problems that the increase of impurities on the surface of a filter screen affects the water seepage effect of the filter screen, and the impurities adsorb sewage to affect the cleaning difficulty through a filtering mechanism.
In order to achieve the above purpose, the utility model provides the following technical scheme: a multi-stage filtration type sewage treatment device comprises a filtration shell, wherein a partition plate is fixedly arranged in the filtration shell, a second magnet is fixedly arranged on one side of the partition plate, annular grooves are formed in the front side wall and the rear side wall of the filtration shell, and a filtration mechanism is arranged in the filtration shell;
the filter mechanism comprises a first reciprocating screw rod, one end of the first reciprocating screw rod is connected with one side wall of the partition plate through a bearing, a first sliding seat is sleeved outside the first reciprocating screw rod, the first reciprocating screw rod is connected with the first sliding seat through a ball nut pair, a second filter plate is fixedly arranged at the top of the first sliding seat, protection plates are fixedly arranged on two sides of the second filter plate, two sliding blocks are fixedly arranged on the front side and the rear side of the second filter plate, a filter assembly is arranged at the top of the first reciprocating screw rod and comprises a second reciprocating screw rod, a second sliding seat is sleeved outside the second reciprocating screw rod, the second reciprocating screw rod is connected with the second sliding seat through a ball nut pair, a movable plate is arranged on one side of the second sliding seat, a brush plate is fixedly arranged at the bottom of the movable plate, a first filter plate is arranged at the bottom of the brush plate, connecting columns are fixedly arranged on two sides of the brush plate, the top of the movable plate is provided with a first magnet.
Preferably, belt pulleys are sleeved outside the first reciprocating screw rod and the second reciprocating screw rod, and a belt is sleeved outside the belt pulleys.
Preferably, filter the fixed safety cover that is equipped with in casing one side, the inside fixed motor that is equipped with of safety cover, motor output and first reciprocal lead screw fixed connection, first reciprocal lead screw one end runs through and filters a casing lateral wall and pass through the bearing with filtering a casing lateral wall and be connected, the spout has all been seted up to both sides wall around the filter casing.
Preferably, the sliding blocks extend into the two sliding grooves respectively and are connected with the sliding grooves in a sliding mode.
Preferably, the reciprocal lead screw one end of second passes through the bearing with filtering a casing lateral wall and is connected, the reciprocal lead screw other end of second extends into inside the safety cover and passes through the bearing with another lateral wall of filtering the casing and be connected, the reciprocal lead screw of second runs through the baffle and passes through the bearing with the baffle and be connected.
Preferably, a baffle is fixedly arranged on one side of the partition board, a circulation groove is formed in the partition board, and a through groove is formed in the bottom of the partition board.
Preferably, one side of each of the two second sliding seats is provided with a groove, the two ends of the movable plate are provided with bumps, and the two bumps extend into the grooves and are in sliding connection with the grooves.
Preferably, the two connecting columns respectively extend into the two annular grooves and are in sliding connection with the annular grooves.
Preferably, the first filter plate is fixedly connected with the filter shell, the first filter plate is fixedly connected with one side of the filter shell, a v-shaped baffle is arranged at the top of the first filter plate, the v-shaped baffle is 21274, the v-shaped baffle is fixedly connected with the filter shell, and two ends of the v-shaped baffle are fixedly connected with one side wall of the partition plate.
Preferably, the top of the filtering shell is provided with a water inlet, the bottom of the filtering shell is fixedly provided with a water outlet, and one side wall of the filtering shell is provided with a sewage outlet.
The embodiment of the utility model has the following advantages:
1. impurities in the sewage filtered from the surface of the first filter plate are swept away in the process of brushing the plate in the filter mechanism, so that the impurities are prevented from staying on the surface of the first filter plate, the filtering effect of the first filter plate on subsequent sewage is influenced, the permeation of the sewage at the first filter plate is prevented from being influenced, and meanwhile, the impurities are swept away by the brushing plate, so that the impurities are automatically cleaned;
2. the sundries falling onto the surface of the second filter plate are screened by the second filter plate in the filtering mechanism in a reciprocating mode, so that the moisture in the sundries is screened out as far as possible, the moisture content of the sundries in the sundries is reduced when the sundries are discharged, the sundries are prevented from being adsorbed with sewage, the cleaning efficiency of the sundries is influenced, and the workload of sewage treatment personnel is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a front perspective view in section provided by the present invention;
FIG. 2 is a right side cross-sectional perspective view provided by the present invention;
FIG. 3 is a cross-sectional perspective view of a filter housing provided by the present invention;
FIG. 4 is a perspective view of a filter mechanism provided by the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 1 according to the present invention;
fig. 6 is a front perspective view provided by the present invention.
In the figure: the filter comprises a filter shell 1, a partition plate 2, a protective cover 3, a motor 4, a first reciprocating screw rod 5, a belt pulley 6, a belt 7, a second reciprocating screw rod 8, a second sliding seat 9, a movable plate 10, a brush plate 11, a first filter plate 12, a connecting column 13, a first sliding seat 14, a second filter plate 15, a protective plate 16, a sliding block 17, a first magnet 18, a second magnet 19 and an annular groove 20.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a multi-stage filtration type sewage treatment apparatus;
in the embodiment, the filter comprises a filter shell 1, a partition plate 2 is fixedly arranged in the filter shell 1, a second magnet 19 is fixedly arranged on one side of the partition plate 2, annular grooves 20 are formed in the front side wall and the rear side wall of the filter shell 1, and a filter mechanism is arranged in the filter shell 1;
the filtering mechanism comprises a first reciprocating screw rod 5, one end of the first reciprocating screw rod 5 is connected with one side wall of the partition plate 2 through a bearing, a first sliding seat 14 is sleeved outside the first reciprocating screw rod 5, the first reciprocating screw rod 5 is connected with the first sliding seat 14 through a ball nut pair, a second filtering plate 15 is fixedly arranged at the top of the first sliding seat 14, two sides of the second filtering plate 15 are respectively and fixedly provided with a protective plate 16, two sliding blocks 17 are respectively and fixedly arranged at the front side and the rear side of the second filtering plate 15, a filtering component is arranged at the top of the first reciprocating screw rod 5 and comprises a second reciprocating screw rod 8, a second sliding seat 9 is sleeved outside the second reciprocating screw rod 8, the second reciprocating screw rod 8 is connected with the second sliding seat 9 through a ball nut pair, a movable plate 10 is arranged at one side of the second sliding seat 9, a brush plate 11 is fixedly arranged at the bottom of the movable plate 10, a first filtering plate 12 is arranged at the bottom of the brush plate 11, connecting columns 13 are respectively and fixedly arranged at two sides of the brush plate 11, the top of the movable plate 10 is provided with a first magnet 18, belt pulleys 6 are sleeved outside a first reciprocating screw 5 and a second reciprocating screw 8, belts 7 are sleeved outside the two belt pulleys 6, the top of the filtering shell 1 is provided with a water inlet, the bottom of the filtering shell 1 is fixedly provided with a water outlet, one side wall of the filtering shell 1 is provided with a sewage outlet, one side of the partition plate 2 is fixedly provided with a baffle plate, a circulation groove is formed inside the partition plate 2, the bottom of the partition plate 2 is provided with a through groove, one end of the second reciprocating screw 8 is connected with one side wall of the filtering shell 1 through a bearing, the other end of the second reciprocating screw 8 extends into the protective cover 3 and is connected with the other side wall of the filtering shell 1 through a bearing, the second reciprocating screw 8 penetrates through the partition plate 2 and is connected with the partition plate 2 through a bearing, and two connecting columns 13 respectively extend into the two annular grooves 20 and are connected with the annular grooves 20 in a sliding manner;
wherein, in order to realize clearing up the debris on the first filter plate 12, carry out the purpose of handling to the absorbent sewage of debris simultaneously, this device adopts following technical scheme to realize: the sewage is discharged into the filtering shell 1 from the water inlet and falls onto the surface of a first filtering plate 12, the sewage is filtered by the first filtering plate 12, sundries are left on the surface of the first filtering plate 12, a first reciprocating screw rod 5 rotates to drive a belt 7 to rotate through a belt pulley 6, so that a second reciprocating screw rod 8 drives a second sliding seat 9 to move back and forth, the second sliding seat 9 drives a brush plate 11 through a movable plate 10 to sweep away the sundries on the surface of the first filtering plate 12, meanwhile, the brush plate 11 drives a connecting column 13 to slide to the rightmost end of the lower layer of an annular groove 20 along the annular groove 20, a first magnet 18 is matched with a second magnet 19, the first magnet 18 drives the brush plate 11 to move upwards through the movable plate 10, so that the brush plate 11 drives the connecting column 13 to move to the upper layer of the annular groove 20, when the second reciprocating screw rod 8 drives the second sliding seat 9 to return, the brush plate 11 is not in contact with the first filtering plate 12, and the effect of preventing the brush plate 11 from sweeping the sundries to the other side is achieved, the brush plate 11 can clean the surface of the first filter plate 12 only when the second reciprocating screw 8 drives the second sliding seat 9 to move, so as to achieve the effect of preventing the filtering effect of the sewage caused by the excessive impurity on the surface of the first filter plate 12, the impurity falls to the baffle plate through the circulation groove and then falls to the surface of the second filter plate 15, the first reciprocating screw 5 drives the first sliding seat 14 to move back and forth through the ball nut pair while rotating, the first sliding seat 14 moves to drive the second filter plate 15 to move, the second filter plate 15 moves to drive the protection plate 16 to move, the sundries are prevented from being thrown out through the protective plate 16, the moisture in the sundries is screened out through the second filter plate 15, sundries are discharged from the sewage discharge port through the inclined surface of the second filter plate 15, so that the purposes of removing sewage from the sundries and cleaning the sundries and the impurities subsequently are achieved, and the sewage filtered by the second filter plate 15 is mixed with the sewage filtered by the first filter plate 12 through the through groove and then is discharged from the water discharge port;
wherein, in order to realize the purpose that first reciprocal lead screw 5 rotated, this device adopts following technical scheme to realize: a protective cover 3 is fixedly arranged on one side of the filtering shell 1, a motor 4 is fixedly arranged in the protective cover 3, the output end of the motor 4 is fixedly connected with a first reciprocating screw rod 5, one end of the first reciprocating screw rod 5 penetrates through one side wall of the filtering shell 1 and is connected with one side wall of the filtering shell 1 through a bearing, sliding grooves are formed in the front side wall and the rear side wall of the filtering shell 1, the motor 4 is started, and the motor 4 rotates to drive the first reciprocating screw rod 5 to rotate;
wherein, in order to realize the purpose of supporting and limiting when the second filter plate 15 moves, the device adopts the following technical scheme: the sliding blocks 17 extend into the two sliding grooves respectively and are in sliding connection with the sliding grooves, and the sliding blocks 17 at the front end and the rear end extend into the sliding grooves on the front side wall and the rear side wall of the filtering shell 1 respectively, so that the sliding grooves support and limit the second filtering plate 15 through the sliding blocks 17 when the second filtering plate 15 moves, and the first sliding seat 14 is prevented from rotating, so that the first sliding seat 14 can only move back and forth along the first reciprocating screw rod 5;
in order to realize the purpose that the movable plate 10 moves along the second sliding seat 9, the device is realized by adopting the following technical scheme: grooves are formed in one side of each of the two second sliding seats 9, bumps are arranged at two ends of the movable plate 10, the two bumps extend into the grooves and are connected with the grooves in a sliding mode, and the movable plate 10 drives the bumps to slide along sliding grooves in the side faces of the second sliding seats 9;
wherein, in order to realize preventing that sewage from directly impacting the purpose on the reciprocating screw rod 8 of second, this device adopts following technical scheme to realize: the first filter plate 12 is fixedly connected with the filter shell 1, the first filter plate 12 is fixedly connected with one side of the filter shell 1, the top of the first filter plate 12 is provided with a v-shaped baffle plate, a v-shaped baffle plate and the filter shell 1 are fixedly connected, the v-shaped baffle plate is 21274, two ends of the v-shaped baffle plate are fixedly connected with one side wall of the partition plate 2, and impurities in sewage are prevented from falling onto the surface of the second reciprocating screw rod 8 when the sewage falls onto the surface of the first filter plate 12 through the v-shaped baffle plate, so that the influence on the movement of the second sliding seat 9 is prevented.
The using process of the utility model is as follows: when the utility model is used, the novel filter plate is connected with an external power supply, sewage is discharged into the filter shell 1 from a water inlet and falls onto the surface of a first filter plate 12, sundries in the sewage are prevented from falling onto the surface of a second reciprocating screw rod 8 when the sewage falls onto the surface of the first filter plate 12 through a v-21274, further the influence on the movement of a second sliding seat 9 is prevented, the sewage is filtered out through the first filter plate 12, the sundries are left on the surface of the first filter plate 12, a motor 4 is started, the motor 4 rotates to drive a first reciprocating screw rod 5 to rotate, the first reciprocating screw rod 5 drives a belt 7 to rotate through the belt pulley 6, the belt pulley 6 on the second reciprocating screw rod 8 drives the second reciprocating screw rod 8 to rotate, the second reciprocating screw rod 8 drives a second sliding seat 9 to move back and forth through a ball nut pair, the second sliding seat 9 moves to drive a movable plate 10 to move, the movable plate 10 drives a brush plate 11 to sweep the sundries on the surface of the first filter plate 12 away, meanwhile, the brush plate 11 drives the connecting column 13 to slide to the rightmost end of the lower layer of the annular groove 20 along the annular groove 20, the first magnet 18 is matched with the second magnet 19, so that the first magnet 18 drives the movable plate 10 to drive the lug to slide along the chute on the side surface of the second sliding seat 9, the movable plate 10 moves to drive the brush plate 11 to move upwards, the brush plate 11 drives the connecting column 13 to move to the upper layer of the annular groove 20, when the second reciprocating screw 8 drives the second sliding seat 9 to return, the brush plate 11 is not in contact with the first filter plate 12, the effect of preventing the brush plate 11 from sweeping sundries to the other side is achieved, when the connecting column 13 moves to the rightmost end of the annular groove 20 along the upper layer of the annular groove 20, the movable plate 10 moves downwards along the groove on the side surface of the second sliding seat 9 through the lug under the influence of gravity, so that the connecting column 13 moves to the lower layer of the annular groove 20, and the brush plate 11 is in contact with the surface of the first filter plate 12, the brush plate 11 can clean the surface of the first filter plate 12 only when the second reciprocating screw 8 drives the second sliding seat 9 to move, so as to achieve the effect of preventing the filtering effect of the sewage caused by the excessive impurity on the surface of the first filter plate 12, the impurity falls to the baffle plate through the circulating groove and then falls on the surface of the second filter plate 15, the first reciprocating screw 5 drives the first sliding seat 14 to move back and forth through the ball nut pair while rotating, the first sliding seat 14 moves to drive the second filter plate 15 to move, the second filter plate 15 moves to drive the protection plate 16 to move, the impurity is prevented from being thrown out through the protection plate 16, the sliding blocks 17 at the front end and the rear end are driven by the second filter plate 15 to slide along the sliding grooves on the front side wall and the rear side wall of the filter shell 1, the sliding grooves support and limit the second filter plate 15 through the sliding blocks 17 when the second filter plate 15 moves, and simultaneously prevent the first sliding seat 14 from rotating, so that the first sliding seat 14 can only move back and forth along the first reciprocating screw 5, the water in the impurities is screened out through the second filter plate 15, the impurities are discharged from the sewage discharge port through the inclined surface of the second filter plate 15, the purposes of removing sewage from the impurities and cleaning the impurities subsequently are achieved, and the sewage filtered by the second filter plate 15 is mixed with the sewage filtered by the first filter plate 12 through the through groove and is discharged from the water discharge port.
The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it to an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a multistage filtration formula sewage treatment device, includes filter housing (1), its characterized in that: a partition plate (2) is fixedly arranged in the filtering shell (1), a second magnet (19) is fixedly arranged on one side of the partition plate (2), annular grooves (20) are formed in the front side wall and the rear side wall of the filtering shell (1), and a filtering mechanism is arranged in the filtering shell (1);
the filter mechanism comprises a first reciprocating screw rod (5), one end of the first reciprocating screw rod (5) is connected with one side wall of the partition plate (2) through a bearing, a first sliding seat (14) is sleeved outside the first reciprocating screw rod (5), the first reciprocating screw rod (5) is connected with the first sliding seat (14) through a ball nut pair, a second filter plate (15) is fixedly arranged at the top of the first sliding seat (14), protection plates (16) are fixedly arranged on two sides of the second filter plate (15), two sliding blocks (17) are fixedly arranged on the front side and the rear side of the second filter plate (15), a filter assembly is arranged at the top of the first reciprocating screw rod (5) and comprises a second reciprocating screw rod (8), a second sliding seat (9) is sleeved outside the second reciprocating screw rod (8), and the second reciprocating screw rod (8) is connected with the second sliding seat (9) through a ball nut pair, the improved filter plate is characterized in that a movable plate (10) is arranged on one side of the second sliding seat (9), a brush plate (11) is fixedly arranged at the bottom of the movable plate (10), a first filter plate (12) is arranged at the bottom of the brush plate (11), connecting columns (13) are fixedly arranged on two sides of the brush plate (11), and a first magnet (18) is arranged at the top of the movable plate (10).
2. The sewage treatment apparatus of claim 1 wherein: the belt pulley (6) is sleeved outside the first reciprocating screw rod (5) and the second reciprocating screw rod (8), and the belt pulley (7) is sleeved outside the belt pulley (6).
3. The sewage treatment apparatus of claim 1 wherein: filter casing (1) one side and fix and be equipped with safety cover (3), safety cover (3) inside fixed motor (4) that is equipped with, motor (4) output and first reciprocal lead screw (5) fixed connection, first reciprocal lead screw (5) one end is run through and is filtered casing (1) a lateral wall and pass through the bearing with filtering casing (1) a lateral wall and be connected, the spout has all been seted up to both sides wall around filtering casing (1).
4. The sewage treatment apparatus of claim 3 wherein: the sliding blocks (17) extend into the two sliding grooves respectively and are connected with the sliding grooves in a sliding mode.
5. The sewage treatment apparatus of claim 3 wherein: the reciprocating screw rod (8) of second one end is connected through the bearing with filtering casing (1) one lateral wall, the reciprocating screw rod (8) other end of second extends into inside safety cover (3) and passes through the bearing with filtering casing (1) another lateral wall and be connected, the reciprocating screw rod (8) of second runs through baffle (2) and passes through the bearing with baffle (2) and be connected.
6. The sewage treatment apparatus of claim 1 wherein: the baffle is fixedly arranged on one side of the partition board (2), the circulation groove is formed in the partition board (2), and the through groove is formed in the bottom of the partition board (2).
7. The sewage treatment apparatus of claim 1 wherein: grooves are formed in one sides of the two second sliding seats (9), protruding blocks are arranged at two ends of the movable plate (10), and the two protruding blocks extend into the grooves and are in sliding connection with the grooves.
8. The sewage treatment apparatus of claim 1 wherein: the two connecting columns (13) respectively extend into the two annular grooves (20) and are in sliding connection with the annular grooves (20).
9. The sewage treatment apparatus of claim 1 wherein: the filter is characterized in that the first filter plate (12) is fixedly connected with the filter shell (1), the first filter plate (12) is fixedly connected with one side of the filter shell (1), the top of the first filter plate (12) is provided with a v-shaped baffle plate (21274), the v-shaped baffle plate is fixedly connected with the filter shell (1), and two ends of the v-shaped baffle plate are fixedly connected with one side wall of the partition plate (2).
10. The sewage treatment apparatus of claim 1 wherein: the water inlet is formed in the top of the filtering shell (1), the water outlet is fixedly formed in the bottom of the filtering shell (1), and a sewage draining outlet is formed in one side wall of the filtering shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123284100.6U CN216653735U (en) | 2021-12-24 | 2021-12-24 | Multistage filtration formula sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123284100.6U CN216653735U (en) | 2021-12-24 | 2021-12-24 | Multistage filtration formula sewage treatment device |
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| Publication Number | Publication Date |
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| CN216653735U true CN216653735U (en) | 2022-06-03 |
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| CN202123284100.6U Active CN216653735U (en) | 2021-12-24 | 2021-12-24 | Multistage filtration formula sewage treatment device |
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| CN (1) | CN216653735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282669A (en) * | 2022-08-09 | 2022-11-04 | 魏伟斌 | Multistage filtering device for sewage treatment and filtering method thereof |
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2021
- 2021-12-24 CN CN202123284100.6U patent/CN216653735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282669A (en) * | 2022-08-09 | 2022-11-04 | 魏伟斌 | Multistage filtering device for sewage treatment and filtering method thereof |
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