CN114432745B - Multistage treatment device for sewage plant - Google Patents
Multistage treatment device for sewage plant Download PDFInfo
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- CN114432745B CN114432745B CN202011201455.1A CN202011201455A CN114432745B CN 114432745 B CN114432745 B CN 114432745B CN 202011201455 A CN202011201455 A CN 202011201455A CN 114432745 B CN114432745 B CN 114432745B
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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
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
- B01D21/0033—Vertical, perforated partition walls
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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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
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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
- B01D21/30—Control equipment
-
- 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
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a multistage treatment device for a sewage plant, relates to the field of sewage treatment, solves the problem of poor sedimentation effect of a sedimentation tank of the sewage plant in the prior art, and has the technical key points that: comprising the following steps: the sedimentation tank comprises a first sedimentation tank and a second sedimentation tank, and the first sedimentation tank and the second sedimentation tank alternately sediment sewage; the switching pipe is connected with the sewage pump, is arranged at one end of the sedimentation tank and can rotate around the axis of the switching pipe; the sedimentation tank switching unit is fixedly connected to one end of the sedimentation tank, which is provided with a switching pipe, and is connected with the switching pipe; according to the invention, the sedimentation tank switching unit controls the switching pipe to alternately discharge sewage into the first sedimentation tank and the second sedimentation tank, so that the first sedimentation tank and the second sedimentation tank can sediment when not discharging sewage, and the sedimentation effect is improved.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a multistage treatment device for a sewage plant.
Background
Sewage treatment refers to the process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and the sewage treatment is increasingly carried into the daily life of common people. Sewage treatment is generally classified into production sewage treatment and domestic sewage treatment according to sewage sources. The production sewage comprises the waste water generated in the production process of industrial enterprises, and the domestic sewage is the sewage generated in daily life, and refers to a complex mixture of various inorganic matters and organic matters.
In the sewage treatment process, precipitation is an indispensable step, and a precipitation process is used for treating solid impurities in sewage, however, in the prior art, sewage is continuously input into a sedimentation tank, and the sewage is easy to splash at the bottom of the sedimentation tank after being filled into the sedimentation tank, so that the precipitation effect is affected, and therefore, a multi-stage treatment device for a sewage plant is provided.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a multistage treatment device for a sewage plant aiming at the defects so as to solve the problem of poor sedimentation effect of a sedimentation tank of a sewage treatment plant in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a multi-stage treatment device for a sewage plant, comprising:
the sedimentation tank is used for precipitating sewage and comprises a first sedimentation tank and a second sedimentation tank, and the first sedimentation tank and the second sedimentation tank alternately precipitate the sewage;
the switching pipe is connected with the sewage pump and is used for filling sewage into the first sedimentation tank and the second sedimentation tank, the switching pipe is arranged at one end of the sedimentation tank, and the switching pipe can rotate around the axis of the switching pipe;
the sedimentation tank switching unit is used for controlling the switching pipe to pour sewage into the first sedimentation tank and the second sedimentation tank respectively, the sedimentation tank switching unit is fixedly connected to one end of the sedimentation tank provided with the switching pipe, and the sedimentation tank switching unit is connected with the switching pipe.
As a further scheme of the invention, one end of the switching tube is provided with a right-angle bent tube, the sedimentation tank is provided with a support column, the support column is provided with a semicircular sedimentation groove, the switching tube is mounted on the support column through an upper cover, the upper cover is an arc-shaped plate, and the upper cover is fixedly connected to the support column.
As a further scheme of the invention, one end of the switching tube far away from the right-angle bent tube is also connected with a connector, the connector comprises a connecting sleeve and a water inlet tube, the connecting sleeve is in a cylinder shape with openings at two ends, one end of the switching tube far away from the right-angle bent tube is provided with a second limiting ring, the second limiting ring is arranged in the connecting sleeve, one end of the connecting sleeve near the switching tube is provided with an inner baffle ring, the second limiting ring is clamped in the connecting sleeve through the inner baffle ring, the water inlet tube is fixed in the connecting sleeve through threaded fit, and the water inlet tube compresses the second limiting ring on the inner baffle ring.
As a further scheme of the invention, an end face bearing is arranged between the water inlet pipe and the second limiting ring.
As a further scheme of the invention, the sedimentation tank switching unit comprises a switching switch and a switching pipe driving unit, wherein the switching switch is provided with two groups and is respectively connected to one end of the first sedimentation tank and one end of the second sedimentation tank, and the switching switch controls the switching pipe driving unit to work when sewage in the first sedimentation tank or the second sedimentation tank reaches a preset water level, and the switching pipe driving unit controls the switching pipe to rotate.
As a further scheme of the invention, the change-over switch comprises a communicating pipe, a trigger pipe and a reset spring, wherein the communicating pipe is in a cylinder shape with an opening at one end, the communicating pipe is fixedly connected to a first sedimentation tank and a second sedimentation tank, the communicating pipe is provided with overflow holes and first water outlet holes on the first sedimentation tank and the second sedimentation tank, the overflow holes are arranged at first water levels on the first sedimentation tank and the second sedimentation tank, the first water levels are water levels when the sedimentation tank is full, the first water outlet holes are arranged at second water levels on the first sedimentation tank and the second sedimentation tank, and the second water levels are water levels when sewage in the first sedimentation tank and the second sedimentation tank is emptied; the trigger pipe is provided with a water storage tank, the water storage tank is arranged along the axis of the trigger pipe, the bottom of the water storage tank is provided with a second water outlet hole, the second water outlet hole is arranged on the side surface of the trigger pipe, the second water outlet hole is communicated with the water storage tank, and the trigger pipe is arranged in the communicating pipe; the reset spring is arranged at the bottom of the communicating pipe, the bottom of the communicating pipe is provided with a contact switch, the contact switch is a time delay switch, and the contact switch is connected with the switching pipe driving unit and the power supply.
As a further scheme of the invention, the bottom of the communicating pipe is also provided with a pressure relief hole.
As a further scheme of the invention, the switching tube driving unit comprises a driving motor, the driving motor is respectively connected with the switching switches on the first sedimentation tank and the second sedimentation tank, the switching switches on the first sedimentation tank and the second sedimentation tank respectively control the driving motor to rotate positively and negatively, the output shaft of the driving motor is fixedly connected with a worm, the switching tube is fixedly connected with a worm wheel, and the worm is meshed with the worm wheel.
As a further scheme of the invention, the multistage treatment device for the sewage plant further comprises an alarm unit, wherein the alarm unit comprises a first alarm module, a second alarm module and a third alarm module, and a trigger switch of the first alarm module is used for setting a first sedimentation tank to be connected into a switch; the trigger switch of the second alarm module is arranged in the change-over switch connected with the second sedimentation tank, the third alarm module is provided with two groups of trigger switches connected in series, and the two groups of trigger switches connected with the third alarm module are respectively arranged in the change-over switches connected with the first sedimentation tank and the second sedimentation tank.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the sedimentation tank switching unit controls the switching pipe to alternately discharge sewage into the first sedimentation tank and the second sedimentation tank, so that the first sedimentation tank and the second sedimentation tank can sediment when not discharging sewage, and the sedimentation effect is improved.
2. The invention can automatically control the switching pipe to alternately discharge sewage into the first sedimentation tank and the second sedimentation tank, thereby saving manpower and improving the automation degree of the sedimentation tank.
3. The invention is provided with the alarm unit, and can remind workers when the sewage in the first sedimentation tank and the second sedimentation tank is full, so that the sewage conditions in the first sedimentation tank and the second sedimentation tank are convenient to observe.
Drawings
Fig. 1 is a schematic view of a multistage treatment apparatus for a sewage plant.
Fig. 2 is a schematic structural view of a sedimentation tank switching unit in a multi-stage treatment apparatus for a sewage plant.
Fig. 3 is an exploded view of a multi-stage treatment device for a sewage plant.
Fig. 4 is a schematic view of a structure of a left side view in a multi-stage treatment apparatus for a sewage plant.
Fig. 5 is a cross-sectional view of M-M of fig. 4.
Fig. 6 is a schematic view of a first perspective of a sedimentation tank in a multi-stage treatment device for a sewage plant.
Fig. 7 is a schematic diagram of a structure of a sedimentation tank in a multistage treatment apparatus for a sewage plant at a second view angle.
Fig. 8 is a schematic view of the structure of a switching tube in a multistage treatment apparatus for a sewage plant.
Reference numerals: 100-first sedimentation tank, 110-mounting plate, 120-support column, 130-upper cover, 200-second sedimentation tank, 300-change-over switch, 310-communicating pipe, 311-overflow hole, 312-first water outlet hole, 320-trigger pipe, 321-water storage tank, 322-second water outlet hole, 313-pressure relief hole, 330-reset spring, 400-change-over pipe, 410-right angle elbow pipe, 420-first spacing ring, 430-second spacing ring, 500-change-over pipe driving unit, 510-driving motor, 520-worm, 530-worm wheel, 540-shaft seat, 600-connector, 610-connecting sleeve, 620-end face bearing, 630-water inlet pipe, 700-dustproof shell.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
As shown in fig. 1 to 5, a multi-stage treatment apparatus for a sewage plant for precipitation of sewage, comprising:
a sedimentation tank for sedimentation of sewage, the sedimentation tank comprising a first sedimentation tank 100 and a second sedimentation tank 200, the first sedimentation tank 100 and the second sedimentation tank 200 alternately sedimenting sewage;
a switching pipe 400, the switching pipe 400 being connected to a sewage pump, the switching pipe 400 being used to fill sewage into the first sedimentation tank 100 and the second sedimentation tank 200, the switching pipe 400 being mounted to one end of the sedimentation tank, and the switching pipe 400 being rotatable about its own axis;
the sedimentation tank switching unit is used for controlling the switching pipe 400 to respectively fill sewage into the first sedimentation tank 100 and the second sedimentation tank 200, the sedimentation tank switching unit is fixedly connected to one end of the sedimentation tank provided with the switching pipe 400, and the sedimentation tank switching unit is connected with the switching pipe 400;
as shown in fig. 6 and 7, the first sedimentation tank 100 and the second sedimentation tank 200 are formed by a partition plate built in a trough-shaped sedimentation tank, so that the first sedimentation tank 100 and the second sedimentation tank 200 are adjacently arranged, meanwhile, the sewage can be respectively poured into the first sedimentation tank 100 and the second sedimentation tank 200 by rotating the switching pipe 400 by a preset angle, when the sewage is poured into the first sedimentation tank 100, the sewage in the second sedimentation tank 200 starts to be settled, the sewage pump in the second sedimentation tank 200 empties the sewage in the second sedimentation tank 200 before the first sedimentation tank 100 is filled, and after the sewage in the first sedimentation tank 100 is filled, the switching pipe 400 is controlled to rotate, so that the sewage is poured into the second sedimentation tank 200, the sewage in the first sedimentation tank 100 starts to be settled, and the sewage is alternately settled in the first sedimentation tank 100 and the second sedimentation tank 200, so that the sewage settling effect can be improved;
as shown in fig. 8, one end of the switching tube 400 is provided with a right-angle bent tube 410, when the switching tube 400 rotates, the right-angle bent tube 410 is switched from the first sedimentation tank 100 to the second sedimentation tank 200 or from the second sedimentation tank 200 to the first sedimentation tank 100, so that sewage can alternately flow into the first sedimentation tank 100 and the second sedimentation tank 200, the sedimentation tanks are provided with support columns 120, the support columns 120 are provided with semicircular sedimentation grooves, the switching tube 400 is mounted on the support columns 120 through an upper cover 130, the upper cover 130 is an arc-shaped plate, the upper cover 130 is fixedly connected to the support columns 120, so that the switching tube 400 can only rotate around the self axis, and in some examples, the upper cover 130 is fixedly connected to the support columns 120 through bolts;
preferably, in order to prevent the switching tube 400 from being strung on the support column 120, the switching tube 400 is further provided with a first limiting ring 420, the first limiting ring 420 is sleeved on one side of the support column 120 away from the right-angle elbow 410, the first limiting ring 420 is fixedly connected to the switching tube 400, and in some examples, the first limiting ring 420 is fixedly connected to the switching tube 400 by welding;
as a preferred mode of the present invention, one end of the switching tube 400 far away from the right-angle elbow 410 is further connected with a connector 600, the connector 600 is used for preventing the switching tube 400 from rotating to drive the sewage tube to rotate, the connector 600 comprises a connecting sleeve 610 and a water inlet tube 630, the connecting sleeve 610 is in a cylinder shape with openings at both ends, one end of the switching tube 400 far away from the right-angle elbow 410 is provided with a second limiting ring 430, the second limiting ring 430 is arranged in the connecting sleeve 610, one end of the connecting sleeve 610 near the switching tube 400 is provided with an inner baffle ring, the second limiting ring 430 is clamped in the connecting sleeve 610 through the inner baffle ring, the water inlet tube 630 is fixed in the connecting sleeve 610 through screw thread fit, and the water inlet tube 630 compresses the second limiting ring 430 on the inner baffle ring, thereby preventing sewage leakage between the connecting sleeve 610 and the second limiting ring 430;
preferably, an oil seal is further provided between the switching tube 400 and the connection sleeve 610, thereby preventing sewage from leaking between the switching tube 400 and the connection head 600;
further, in order to reduce the friction between the water inlet pipe 630 and the second stop ring 430 when the switching pipe 400 rotates, an end face bearing 620 is further provided between the water inlet pipe 630 and the second stop ring 430; when the switching pipe 400 rotates, the second limiting ring 430 drives the bearing end close to one side of the second limiting ring 430 to rotate, and the bearing end close to one side of the water inlet pipe 630 does not rotate;
the sedimentation tank switching unit comprises a switching switch 300 and a switching pipe driving unit 500, wherein the switching switch 300 is provided with two groups, the switching switch 300 is respectively connected to one ends of the first sedimentation tank 100 and the second sedimentation tank 200, the switching switch 300 controls the switching pipe driving unit 500 to work when sewage in the first sedimentation tank 100 or the second sedimentation tank 200 reaches a preset water level, and the switching pipe driving unit 500 controls the switching pipe 400 to rotate;
the switch 300 comprises a communicating pipe 310, a trigger pipe 320 and a return spring 330, wherein the communicating pipe 310 is in a cylinder shape with an opening at one end, the communicating pipe 310 is fixedly connected to the first sedimentation tank 100 and the second sedimentation tank 200, the communicating pipe 310 is provided with an overflow hole 311 and a first water outlet hole 312 on the first sedimentation tank 100 and the second sedimentation tank 200, the overflow hole 311 is arranged at a first water level on the first sedimentation tank 100 and the second sedimentation tank 200, the first water level is the water level when the sedimentation tank is full, the first water outlet hole 312 is arranged at a second water level on the first sedimentation tank 100 and the second sedimentation tank 200, and the second water level is the water level when sewage in the first sedimentation tank 100 and the second sedimentation tank 200 is emptied; the trigger pipe 320 is provided with a water storage tank 321, the water storage tank 321 is a blind hole, the water storage tank 321 is arranged along the axis of the trigger pipe 320, the bottom of the water storage tank 321 is provided with a second water outlet 322, the second water outlet 322 is arranged on the side surface of the trigger pipe 320, the second water outlet 322 is communicated with the water storage tank 321, and the trigger pipe 320 is arranged in the communicating pipe 310; the reset spring 330 is arranged at the bottom of the communicating pipe 310, and a contact switch is arranged at the bottom of the communicating pipe 310, the contact switch is a time-delay switch, and is automatically closed after being opened for a preset time, and the contact switch is connected with the switching pipe driving unit 500 and a power supply; when the sewage reaches the first water level, the sewage flows into the trigger tube 320 through the overflow hole 311, the trigger tube 320 is pressed down, the trigger tube 320 compresses the reset spring 330 and the contact switch, the contact switch is communicated with the control circuit of the switching tube driving unit 500, and the switching tube driving unit 500 controls the switching tube 400 to rotate by a preset angle;
preferably, in order to prevent the trigger tube 320 from rotating inside the communication tube 310, the trigger tube 320 is a polygonal cylinder, and a polygonal blind hole is formed inside the communication tube 310;
further, in order to prevent the air pressure from being generated at the bottom of the communicating tube 310, the bottom of the communicating tube 310 is further provided with a pressure relief hole 313, and the pressure relief hole 313 enables the inside of the communicating tube 310 to be communicated with the outside, so that the pressure of the inside of the communicating tube 310 is prevented from being entangled and the trigger tube 320 is prevented from being lowered;
the switching tube driving unit 500 comprises a driving motor 510, the driving motor 510 is respectively connected with the switching switches 300 on the first sedimentation tank 100 and the second sedimentation tank 200, the switching switches 300 on the first sedimentation tank 100 and the second sedimentation tank 200 respectively control the driving motor 510 to rotate positively and reversely, a worm 520 is fixedly connected to an output shaft of the driving motor 510, a worm gear 530 is fixedly connected to the switching tube 400, the worm 520 is meshed with the worm gear 530, when the driving motor 510 rotates, the driving motor 510 drives the worm 520 to rotate, the worm 520 drives the worm gear 530 to rotate, and the worm gear 530 drives the switching tube 400 to rotate;
further, the sedimentation tank is further provided with a mounting plate 110, the driving motor 510 is fixedly connected to the mounting plate 110 through bolts, and the worm 520 is fixedly connected to the mounting plate 110 through a shaft seat 540;
preferably, in order to prevent dust from entering the switching tube driving unit 500, a dust-proof case 700 is further sleeved on the outer side of the switching tube driving unit 500.
As another embodiment of the present invention, the multi-stage treatment device for a sewage plant further includes an alarm unit, where the alarm unit plays an alarm role when the sedimentation tanks in the first sedimentation tank 100 and the second sedimentation tank 200 are full, the alarm unit includes a first alarm module, a second alarm module, and a third alarm module, where the trigger switch of the first alarm module is set in the switch 300 connected to the first sedimentation tank 100 and the second sedimentation tank 200, the trigger switch on the trigger pipe 320 is turned on when the first sedimentation tank 100 is full, the first alarm device alarms, the trigger switch is a push button switch, the trigger switch of the second alarm module is set in the bottom of the trigger pipe 320 connected to the second sedimentation tank 200, the third alarm module is set in the switch 300 connected to the first sedimentation tank 100 and the second sedimentation tank 200, and the first alarm module is used for discharging sewage from the first sedimentation tank 100 and the second sedimentation tank 200 when the first sedimentation tank 100 and the second sedimentation tank are full.
In summary, the working principle of the invention is as follows:
when sewage is settled, the switching pipe 400 rotates to the first settling tank 100, at this time, the right-angle elbow pipe 410 is arranged above the first settling tank 100, sewage is discharged into the first settling tank 100 from the right-angle elbow pipe 410, when sewage in the first settling tank 100 is filled up, sewage in the first settling tank 100 reaches the first water level, sewage in the first settling tank 100 enters the communicating pipe 310 mounted on the first settling tank 100 from the overflow hole 311 and flows into the water storage tank 321 in the communicating pipe 310, at this time, the weight of the triggering pipe 320 is increased, the triggering pipe 320 descends and presses the contact switch connected with the driving motor 510 and the triggering switch connected with the first alarm module in the communicating pipe 310, the first alarm module reminds a worker that the sewage is filled in the first settling tank 100, the driving motor 510 rotates positively, the driving motor 510 drives the worm 520 to rotate, the worm 520 drives the worm gear 530 to rotate, the worm gear 530 drives the switching tube 400 to rotate, the right-angle bent tube 410 rotates to the upper side of the second sedimentation tank 200, sewage is poured into the second sedimentation tank 200 from the switching tube 400, after the sewage in the first sedimentation tank 100 is settled for a preset time, a worker starts the sewage discharging device arranged in the first sedimentation tank 100 to respectively discharge sewage and sludge in the first sedimentation tank 100, when the water level in the first sedimentation tank 100 reaches the second water level, water in the trigger tube 320 flows out from the second water outlet 322 through the first water outlet 312, water in the trigger tube 320 is discharged, and the trigger tube 320 rises under the action of the reset spring 330 and is separated from the contact switch.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A multi-stage treatment apparatus for a sewage plant, comprising:
the sedimentation tank is used for precipitating sewage and comprises a first sedimentation tank (100) and a second sedimentation tank (200), and the first sedimentation tank (100) and the second sedimentation tank (200) alternately precipitate sewage;
the switching pipe (400) is connected with the sewage pump, the switching pipe (400) is used for filling sewage into the first sedimentation tank (100) and the second sedimentation tank (200), the switching pipe (400) is arranged at one end of the sedimentation tank, and the switching pipe (400) can rotate around the axis of the switching pipe (400);
the sedimentation tank switching unit is used for controlling the switching pipe (400) to respectively pour sewage into the first sedimentation tank (100) and the second sedimentation tank (200), the sedimentation tank switching unit is fixedly connected to one end of the sedimentation tank, which is provided with the switching pipe (400), and the sedimentation tank switching unit is connected with the switching pipe (400), the sedimentation tank switching unit comprises a switching switch (300) and a switching pipe driving unit (500), the switching switch (300) is provided with two groups, and the switching switch (300) is respectively connected to one end of the first sedimentation tank (100) and one end of the second sedimentation tank (200), the switching switch (300) controls the switching pipe driving unit (500) to work when the sewage in the first sedimentation tank (100) or the second sedimentation tank (200) reaches a preset water level, the switching pipe driving unit (500) controls the switching pipe (400) to rotate, wherein,
the change-over switch (300) comprises a communicating pipe (310), a trigger pipe (320) and a reset spring (330), wherein the communicating pipe (310) is in a cylinder shape with an opening at one end, the communicating pipe (310) is fixedly connected to a first sedimentation tank (100) and a second sedimentation tank (200), the communicating pipe (310) is provided with overflow holes (311) and first water outlet holes (312) on the first sedimentation tank (100) and the second sedimentation tank (200), the overflow holes (311) are arranged at first water levels on the first sedimentation tank (100) and the second sedimentation tank (200), the first water levels are water levels when the sedimentation tank is full, and the first water outlet holes (312) are arranged at second water levels on the first sedimentation tank (100) and the second sedimentation tank (200), and the second water levels are water levels when sewage in the first sedimentation tank (100) and the second sedimentation tank (200) is empty; the trigger pipe (320) is provided with a water storage groove (321), the water storage groove (321) is arranged along the axis of the trigger pipe (320), the bottom of the water storage groove (321) is provided with a second water outlet hole (322), the second water outlet hole (322) is arranged on the side surface of the trigger pipe (320), the second water outlet hole (322) is communicated with the water storage groove (321), and the trigger pipe (320) is arranged in the communicating pipe (310); the reset spring (330) is arranged at the bottom of the communicating pipe (310), and a contact switch is arranged at the bottom of the communicating pipe (310), and is a time-delay switch, and the contact switch is connected with the switching pipe driving unit (500) and the power supply.
2. The multistage treatment device for a sewage plant according to claim 1, wherein one end of the switching tube (400) is provided with a right-angle elbow (410), the sedimentation tank is provided with a support column (120), the support column (120) is provided with a semicircular sink, the switching tube (400) is mounted on the support column (120) through an upper cover (130), the upper cover (130) is an arc-shaped plate, and the upper cover (130) is fixedly connected to the support column (120).
3. The multistage treatment device for a sewage plant according to claim 2, wherein one end of the switching pipe (400) far away from the right-angle elbow pipe (410) is further connected with a connector (600), the connector (600) comprises a connecting sleeve (610) and a water inlet pipe (630), the connecting sleeve (610) is cylindrical with openings at two ends, one end of the switching pipe (400) far away from the right-angle elbow pipe (410) is provided with a second limiting ring (430), the second limiting ring (430) is arranged in the connecting sleeve (610), one end of the connecting sleeve (610) near the switching pipe (400) is provided with an inner baffle ring, the second limiting ring (430) is clamped in the connecting sleeve (610) through the inner baffle ring, the water inlet pipe (630) is fixed in the connecting sleeve (610) through threaded fit, and the water inlet pipe (630) compresses the second limiting ring (430) on the inner baffle ring.
4. A multistage treatment device for a sewage plant according to claim 3, characterized in that an end bearing (620) is also provided between the water inlet pipe (630) and the second stop collar (430).
5. The multistage treatment device for a sewage plant according to claim 1, wherein the bottom of the communication pipe (310) is further provided with a pressure relief hole (313).
6. The multistage treatment device for a sewage plant according to claim 1, wherein the switching tube driving unit (500) comprises a driving motor (510), the driving motor (510) is respectively connected with the switching switch (300) on the first sedimentation tank (100) and the second sedimentation tank (200), the switching switch (300) on the first sedimentation tank (100) and the second sedimentation tank (200) respectively control the driving motor (510) to rotate forward and reverse, a worm (520) is fixedly connected to an output shaft of the driving motor (510), a worm wheel (530) is fixedly connected to the switching tube (400), and the worm (520) is meshed with the worm wheel (530).
7. The multistage treatment device for a sewage plant according to claim 5 or 6, characterized in that it further comprises an alarm unit comprising a first alarm module, a second alarm module and a third alarm module, the trigger switch of the first alarm module setting the first sedimentation tank (100) connected into the change-over switch (300); the trigger switch of the second alarm module is arranged in the change-over switch (300) connected with the second sedimentation tank (200), the third alarm module is provided with two groups of trigger switches connected in series, and the two groups of trigger switches connected with the third alarm module are respectively arranged in the change-over switch (300) connected with the first sedimentation tank (100) and the second sedimentation tank (200).
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| CN202011201455.1A CN114432745B (en) | 2020-11-02 | 2020-11-02 | Multistage treatment device for sewage plant |
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|---|---|---|---|
| CN202011201455.1A CN114432745B (en) | 2020-11-02 | 2020-11-02 | Multistage treatment device for sewage plant |
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| CN114432745A CN114432745A (en) | 2022-05-06 |
| CN114432745B true CN114432745B (en) | 2023-10-13 |
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| CN211585353U (en) * | 2020-01-14 | 2020-09-29 | 青岛兰海希膜工程有限公司 | Sedimentation tank for sewage treatment |
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2020
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| CN201395543Y (en) * | 2009-04-28 | 2010-02-03 | 陕西科技大学 | Aeration and sedimentation type sewage treatment system |
| CN202569672U (en) * | 2012-05-14 | 2012-12-05 | 南京佳和日化有限公司 | Sloping panel sedimentation device |
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| CN110410535A (en) * | 2019-07-27 | 2019-11-05 | 重庆懿熙品牌策划有限公司 | A kind of reversing water valve and its it is based on light-catalysed sewage disposal system |
| CN211585353U (en) * | 2020-01-14 | 2020-09-29 | 青岛兰海希膜工程有限公司 | Sedimentation tank for sewage treatment |
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