CN217628043U - Multistage aeration biological filter in high-concentration sewage treatment process - Google Patents
Multistage aeration biological filter in high-concentration sewage treatment process Download PDFInfo
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- CN217628043U CN217628043U CN202221965050.XU CN202221965050U CN217628043U CN 217628043 U CN217628043 U CN 217628043U CN 202221965050 U CN202221965050 U CN 202221965050U CN 217628043 U CN217628043 U CN 217628043U
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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
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Abstract
The utility model discloses a multistage aeration biological filter tank in the process of treating high-concentration sewage, which comprises a primary sedimentation tank, a secondary aeration tank and a tertiary filter tank, wherein the secondary aeration tank is arranged on the right side of the primary sedimentation tank, an aeration device is arranged in the tank bottom, a stirring device is also arranged in the tank body of the secondary aeration tank, and the tertiary filter tank is arranged on the right side of the secondary aeration tank; the utility model discloses a set up one-level sedimentation tank, second grade aeration tank and tertiary filter tank and combine the use, can carry out multi-stage treatment to sewage, the aeration is effectual, and the air that the aeration machine was sent into can carry out the intensive mixing with activated sludge, and is convenient for clear up the deposit, has improved sewage treatment inefficiency greatly.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to a multistage biological aerated filter in the process of high-concentration sewage treatment.
Background
The sewage treatment device is used for treating sewage, and the sewage treatment is a process for purifying the sewage according to the water quality requirement of draining a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
Aeration means artificially introducing air into a biochemical aeration tank through proper equipment to achieve the expected purpose, wherein the aeration not only makes liquid in the tank contact with the air for oxygenation, but also accelerates the transfer of oxygen in the air into the liquid due to the stirring of the liquid so as to fulfill the aim of oxygenation, and in addition, the aeration also prevents suspension in the tank from sinking, enhances the contact effect of organic matters and microorganisms in the tank and dissolved oxygen, thereby ensuring the oxidative decomposition effect of the microorganisms in the tank on the organic matters in sewage under the condition of sufficient dissolved oxygen.
The aeration tank for sewage treatment has a single structure, the aeration effect is poor, air sent by the aerator is difficult to be fully mixed with activated sludge, and sediments are difficult to be thoroughly cleaned at the same time, so that the sewage treatment efficiency is low.
Disclosure of Invention
In order to solve the problems, the utility model provides a multistage biological aerated filter which has good aeration effect and high sewage treatment efficiency and is used in the high-concentration sewage treatment process.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a multistage aeration biological filter among high concentration sewage treatment process, includes one-level sedimentation tank, second grade aeration tank and tertiary filter tank, constitute by three cavity in the one-level sedimentation tank, from left to right be first cavity, second cavity and third cavity respectively, through the pipeline switch-on between first cavity and the second cavity, through the pipeline switch-on equally between second cavity and the third cavity, seted up the inlet tube on the left surface of first cavity, seted up the outlet pipe on the right flank of third cavity, the interior bottom of first cavity, second cavity and third cavity is the curved surface structure, and the curved surface terminal surface midpoint department of bottom is equipped with the blow off pipe in each cavity, switches on through the main calandria between each blow off pipe, installs the mud suction pump on the main calandria.
The second grade aeration tank sets up on the right side of one-level sedimentation tank, has seted up the inlet tube on the left surface of second grade aeration tank, and this pipe links to each other with the outlet pipe of one-level sedimentation tank to be connected, has seted up the outlet pipe on the right flank, is equipped with aeration equipment in the bottom of the pool, aeration equipment comprises aeration pipe, person in charge and fan, and the quantity of aeration pipe is 2-4, and the equidistance is installed in the cell body of second grade aeration tank, and the inlet end of each aeration pipe is connected with the fan through being responsible for, and the fan is installed on the top of second grade aeration tank.
Still be equipped with agitating unit in the pond of second grade aeration tank, agitating unit includes agitator motor, mounting bracket, stirring vane and transfer line, stirring vane's quantity is 2-4, and stirring vane passes through the bearing and is connected with the main shaft of mounting bracket, and stirring vane's a side is fixed with driven gear, and the mounting bracket equidistance installs on the inner wall of cell body, agitator motor sets up on the topside of second grade aeration tank, and is connected with it, the transfer line set up in one side of agitator motor and with the main shaft associative connection of motor, the transfer line passes through the bracing piece to be connected with the topside of second grade aeration tank, then passes through the bearing between transfer line and the bracing piece to be connected, installs the drive gear on the transfer line, and the quantity that drives the gear is the same with stirring vane's quantity, and drives the driven gear connection that the gear on gear passes through drive chain and the stirring vane.
The three-stage filter tank is arranged on the right side of the second-stage aeration tank, a water inlet pipe is arranged on the left side of the three-stage filter tank and is connected with a water outlet pipe of the second-stage aeration tank, a water outlet pipe is arranged on the right side surface of the three-stage filter tank, a filter screen group and an active carbon filter cotton plate are arranged in a tank body of the three-stage filter tank from left to right, the filter screen group consists of 2-4 layers of filter screens, and the hole diameter of each layer of filter screen is half of the hole diameter of the last layer of filter screen.
Preferably, in order to prevent the precipitate from being precipitated, the sewage directly rushes into the bottom of the sedimentation tank to flush the precipitate precipitated at the bottom of the sedimentation tank, flow guide plate groups are arranged in the first chamber, the second chamber and the third chamber of the primary sedimentation tank, each flow guide plate group consists of two flow guide plates, one flow guide plate is obliquely fixed on two sides of the chamber from left to right, and the installation height of the flow guide plate on the left side is higher than that of the flow guide plate on the right side.
Preferably, in order to increase the air blowing efficiency and improve the aeration effect, an air tap is installed at the air outlet port of the aeration pipe of the secondary aeration tank through a one-way valve, the air tap is of a ball structure, and a plurality of air outlet holes are formed in the ball body of the air tap.
Preferably, in order to facilitate defoaming treatment of foams generated by aeration, a defoaming box is arranged between a water outlet pipe of the secondary aeration tank and a water inlet pipe of the tertiary filter tank, defoaming agent particles are filled in the defoaming box, the left end face of the defoaming box is communicated with the water outlet pipe of the secondary aeration tank, a separation net is arranged at the communicated part, the right end face of the defoaming box is communicated with the water inlet pipe of the tertiary filter tank, the communicated part is provided with the separation net, the top surface of the defoaming box is of an open structure, and a sealing cover is arranged on the opening.
Preferably, in order to prevent impurities such as sludge from being accumulated at the inner corners of each tank body and being difficult to clean, the four inner corners of the secondary aeration tank and the three-stage filtering tank are all in a chamfer structure.
Has the advantages that: (1) the utility model discloses a set up one-level sedimentation tank, second grade aeration tank and tertiary filter tank and combine the use, can carry out multi-stage treatment to sewage, the aeration is effectual, and the air that the aeration machine was sent into can carry out the intensive mixing with activated sludge, and is convenient for clear up the deposit, has improved sewage treatment inefficiency greatly.
(2) Through set up agitating unit in second grade aeration tank, can keep the mud in the aeration tank to continue to turn over and gush under lower dissolved oxygen, improve muddy water mixability property, through the stirring back, the rotation of the paddle is rotated through in the region below the aeration pipe, produces behind the decurrent thrust for the mud of aeration bottom can in time obtain the disturbance, effectively solves the problem of the long-pending mud in aeration tank bottom, can also be to the first defoaming of the foam that the aeration produced.
(3) Through setting up the defoaming case, the defoaming agent granule in the defoaming case can carry out the secondary defoaming to the bubble that produces after the aeration, has improved defoaming effect greatly, for the subsequent processing time that has reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the second-stage aeration tank of the present invention.
Fig. 3 is a schematic structural view of the middle-stage and third-stage filtration tank of the present invention.
Fig. 4 is a schematic structural view of the present invention in embodiment 2.
Fig. 5 is a schematic structural view of a primary sedimentation tank in embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of a secondary aeration tank in example 2 of the present invention.
In the figure: 1. a first-stage sedimentation tank; 2. a secondary aeration tank; 3. a third stage filter tank; 4. a first chamber; 5. a second chamber; 6. a third chamber; 7. an aeration pipe; 8. a main pipe; 9. a fan; 10. a stirring motor; 11. a mounting frame; 12. a stirring blade; 13. a transmission rod; 14. a support bar; 15. a driven gear; 16. driving the gear; 17. a drive chain; 18. a filter screen set; 19. an activated carbon filter cotton plate; 20. a guide plate group; 21. a one-way valve; 22. an air tap; 23. a defoaming box.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1-3, a multistage biological aerated filter in the high concentration sewage treatment process comprises a first-stage sedimentation tank 1, a second-stage aeration tank 2 and a third-stage filtration tank 3, wherein the first-stage sedimentation tank 1 is internally composed of three chambers, a first chamber 4, a second chamber 5 and a third chamber 6 are respectively arranged from left to right, the first chamber 4 is communicated with the second chamber 5 through a pipeline, the second chamber 5 is communicated with the third chamber 6 through a pipeline, a water inlet pipe is arranged on the left side surface of the first chamber 4, a water outlet pipe is arranged on the right side surface of the third chamber 6, the inner bottoms of the first chamber 4, the second chamber 5 and the third chamber 6 are of curved surface structures, the middle point of the curved surface end surface of the inner bottom of each chamber is provided with a sewage discharge pipe, the sewage discharge pipes are communicated with each other through a main discharge pipe, and a sludge suction pump is arranged on the main discharge pipe.
The second grade aeration tank 2 sets up on the right side of one-level sedimentation tank 1, has seted up the inlet tube on the left surface of second grade aeration tank 2, and this pipe leads to mutually with the outlet pipe of one-level sedimentation tank 1 to be connected, has seted up the outlet pipe on the right flank, is equipped with aeration equipment in the bottom of the pool, aeration equipment comprises aeration pipe 7, person in charge 8 and fan 9, and the quantity of aeration pipe 7 is 4, and the equidistance is installed in the cell body of second grade aeration tank 2, and the inlet end of each aeration pipe 7 is connected with fan 9 through being responsible for 8, and fan 9 is installed on the top of second grade aeration tank 2.
Still be equipped with agitating unit in the cell body of second grade aeration tank 2, agitating unit includes agitator motor 10, mounting bracket 11, stirring vane 12 and transfer line 13, stirring vane 12's quantity is 4, and stirring vane 12 passes through the bearing to be connected with the main shaft of mounting bracket 11, and a side of stirring vane 12 is fixed with driven gear 15, and the inner wall at the cell body is installed to mounting bracket 11 equidistance, agitator motor 10 sets up on the topside of second grade aeration tank 2, and is connected with it, transfer line 13 sets up in one side of agitator motor 10 and is connected with the main shaft relevance of motor, and transfer line 13 passes through the topside of bracing piece 14 and second grade aeration tank 2 to be connected, then passes through the bearing between transfer line 13 and the bracing piece 14 and connects, installs on the transfer line 13 and drives gear 16, and the quantity that drives gear 16 is the same with stirring vane 12's quantity, and drives gear 16 and pass through drive chain 17 and be connected with driven gear 15 on the stirring vane 12.
Example 2
As shown in fig. 4 to 6, the specific embodiment differs from example 1 in that: the first chamber 4, the second chamber 5 and the third chamber 6 of the first-stage sedimentation tank 1 are internally provided with a guide plate group 20, the guide plate group 20 is composed of two guide plates, one guide plate is obliquely fixed on two sides of the chamber from left to right, and the installation height of the guide plate on the left side is higher than that of the guide plate on the right side.
An air tap 22 is installed at an air outlet port of the aeration pipe 7 of the secondary aeration tank 2 through a one-way valve 21, the air tap 22 is of a sphere structure, and a plurality of air outlet holes are formed in the sphere.
Be equipped with defoaming case 23 between the outlet pipe of second grade aeration tank 2 and the inlet tube of tertiary filter tank 3, be equipped with the defoaming agent granule in the defoaming case 23, the left end face of defoaming case 23 is put through and the put through department is equipped with the spacer screen with the outlet pipe of second grade aeration tank 2 mutually, and the right-hand member face is put through and the put through department is equipped with the spacer screen with the inlet tube of tertiary filter tank 3 mutually, and the top surface of defoaming case 23 is open structure, is equipped with the closing cap on the opening.
Four inner angles of the second-stage aeration tank 2 and the third-stage filter tank 3 are chamfer structures.
During the use, sewage enters into one-level sedimentation tank 1 after the guide plate water conservancy diversion in, can not rush up deposits such as silt that have depositd at the bottom of the pool, then sewage carries out first time in first cavity 4 and deposits, reentry and carry out two cubic in second cavity 5, the third cavity 6 and deposit, and the bottom surface of each cavity is curved surface structure, and silt can concentrate and pile up in the curved surface, when needing to clear up, only need open the suction pump and take silt out labour saving and time saving.
After depositing many times, sewage enters into second grade aeration tank 2, then open air-blower 9, aeration pipe 7 of second grade aeration tank 2 bottom begins the air feed, the bubble of formation is absorbed by the microorganism in the activated sludge, the dissolved oxygen of waste water has also been improved simultaneously, agitator motor 10 is opened again, stirring vane 12 is rotatory to produce the motive force, this motive force promotes the paddle below to the activated sludge flow above the aeration tank bottom of the pool, after touchhing the aeration tank bottom plate, again to diffusing all around, finally reach the aeration tank upper water level, aeration pipe 7 and the stirring vane 12 of aeration tank the inside through second grade aeration tank 2, the regional mud that can't touch is distributed to aeration pipe 7 gas, carry out effectual stirring, aeration dead angle has been solved and has appeared in the aeration tank, form the sludge deposition region and take place the anaerobism, make mud blacken, smelly problem.
The sewage after the aeration treatment is defoamed by bubbles generated by the aeration through a defoaming box 23, enters the third-stage filtering tank 3 for filtering, and then is discharged to the next procedure for secondary decontamination treatment.
Claims (5)
1. The utility model provides a multistage aeration biological filter among high concentration sewage treatment process, includes one-level sedimentation tank (1), second grade aeration tank (2) and tertiary filter tank (3), its characterized in that: the primary sedimentation tank (1) is internally composed of three chambers, a first chamber (4), a second chamber (5) and a third chamber (6) are respectively arranged from left to right, the first chamber (4) is communicated with the second chamber (5) through a pipeline, the second chamber (5) is communicated with the third chamber (6) through a pipeline, a water inlet pipe is arranged on the left side surface of the first chamber (4), a water outlet pipe is arranged on the right side surface of the third chamber (6), the inner bottoms of the first chamber (4), the second chamber (5) and the third chamber (6) are of a curved surface structure, a drain pipe is arranged at the midpoint of the curved surface end surface of the inner bottom of each chamber, the drain pipes are communicated through a main exhaust pipe, and a sludge suction pump is arranged on the main exhaust pipe;
the secondary aeration tank (2) is arranged on the right side of the primary sedimentation tank (1), a water inlet pipe is arranged on the left side surface of the secondary aeration tank (2), the pipe is communicated and connected with a water outlet pipe of the primary sedimentation tank (1), a water outlet pipe is arranged on the right side surface, an aeration device is arranged in the tank bottom and consists of 2-4 aeration pipes (7), a main pipe (8) and a fan (9), the aeration pipes (7) are equidistantly arranged in the tank body of the secondary aeration tank (2), the air inlet end of each aeration pipe (7) is connected with the fan (9) through the main pipe (8), and the fan (9) is arranged on the top edge of the secondary aeration tank (2);
the stirring device is further arranged in the tank body of the secondary aeration tank (2) and comprises a stirring motor (10), an installation frame (11), stirring blades (12) and a transmission rod (13), the number of the stirring blades (12) is 2-4, the stirring blades (12) are connected with a main shaft of the installation frame (11) through bearings, a driven gear (15) is fixed on one side of each stirring blade (12), the installation frame (11) is equidistantly installed on the inner wall of the tank body, the stirring motor (10) is arranged on the top edge of the secondary aeration tank (2) and is connected with the top edge, the transmission rod (13) is arranged on one side of the stirring motor (10) and is connected with the main shaft of the motor in a correlation manner, the transmission rod (13) is connected with the top edge of the secondary aeration tank (2) through a support rod (14), the transmission rod (13) is connected with the support rod (14) through a bearing, a driving gear (16) is installed on the transmission rod (13), the number of the driving gears (16) is the same as the number of the stirring blades (12), and the driving gear (16) is connected with the driven gear (15) on the stirring blades (12) through a transmission chain (17);
the three-stage filter tank (3) is arranged on the right side of the second-stage aeration tank (2), a water inlet pipe is arranged on the left side of the three-stage filter tank (3) and is connected with a water outlet pipe of the second-stage aeration tank (2), a water outlet pipe is arranged on the right side surface of the three-stage filter tank, a filter screen group (18) and an active carbon filter cotton plate (19) are arranged in a tank body of the three-stage filter tank (3) from left to right, the filter screen group (18) is composed of 2-4 layers of filter screens, and the diameter of holes of each layer of filter screen is half of the diameter of holes of the last layer of filter screen.
2. The multi-stage biological aerated filter in the high-concentration sewage treatment process according to claim 1, which is characterized in that: be equipped with guide plate group (20) in first cavity (4), second cavity (5) and the third cavity (6) of one-level sedimentation tank (1), guide plate group (20) comprise two guide plates, and two guide plates one left side right side down-dip are fixed in the both sides of cavity, and the mounting height of left side guide plate is higher than the mounting height of right side guide plate.
3. The multi-stage biological aerated filter in a high-concentration sewage treatment process according to claim 1 or 2, wherein: an air tap (22) is installed at an air outlet port of an aeration pipe (7) of the secondary aeration tank (2) through a one-way valve (21), the air tap (22) is of a sphere structure, and a plurality of air outlet holes are formed in the sphere.
4. The multi-stage biological aerated filter in a high concentration sewage treatment process according to claim 1 or 2, wherein: a defoaming box (23) is arranged between a water outlet pipe of the secondary aeration tank (2) and a water inlet pipe of the tertiary filter tank (3), defoaming agent particles are arranged in the defoaming box (23), the left end face of the defoaming box (23) is communicated with the water outlet pipe of the secondary aeration tank (2), a separation net is arranged at the communication position, the right end face of the defoaming box is communicated with the water inlet pipe of the tertiary filter tank (3), the communication position is provided with the separation net, the top face of the defoaming box (23) is of an open structure, and a sealing cover is arranged on the opening.
5. The multi-stage biological aerated filter in a high-concentration sewage treatment process according to claim 1 or 2, wherein: four inner angles of the secondary aeration tank (2) and the three-stage filter tank (3) are of chamfer structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221965050.XU CN217628043U (en) | 2022-07-28 | 2022-07-28 | Multistage aeration biological filter in high-concentration sewage treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221965050.XU CN217628043U (en) | 2022-07-28 | 2022-07-28 | Multistage aeration biological filter in high-concentration sewage treatment process |
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| Publication Number | Publication Date |
|---|---|
| CN217628043U true CN217628043U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221965050.XU Active CN217628043U (en) | 2022-07-28 | 2022-07-28 | Multistage aeration biological filter in high-concentration sewage treatment process |
Country Status (1)
| Country | Link |
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| CN (1) | CN217628043U (en) |
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2022
- 2022-07-28 CN CN202221965050.XU patent/CN217628043U/en active Active
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