CN220665092U - MBR membrane energy-saving integrated equipment - Google Patents
MBR membrane energy-saving integrated equipment Download PDFInfo
- Publication number
- CN220665092U CN220665092U CN202321761665.5U CN202321761665U CN220665092U CN 220665092 U CN220665092 U CN 220665092U CN 202321761665 U CN202321761665 U CN 202321761665U CN 220665092 U CN220665092 U CN 220665092U
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- pond
- contact oxidation
- tank
- fixed
- membrane
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- 239000012528 membrane Substances 0.000 title claims abstract description 52
- 230000003647 oxidation Effects 0.000 claims abstract description 44
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 44
- 239000010802 sludge Substances 0.000 claims abstract description 29
- 238000010992 reflux Methods 0.000 claims abstract description 27
- 230000020477 pH reduction Effects 0.000 claims abstract description 16
- 230000007062 hydrolysis Effects 0.000 claims abstract description 14
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 14
- 210000005056 cell body Anatomy 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000000945 filler Substances 0.000 abstract description 8
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 238000011282 treatment Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000000926 separation method Methods 0.000 description 11
- 239000002351 wastewater Substances 0.000 description 11
- 230000003301 hydrolyzing effect Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002053 acidogenic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses MBR (Membrane biological reactor) membrane energy-saving integrated equipment, which comprises a tank body, wherein a hydrolysis acidification tank, a contact oxidation tank and a membrane tank are sequentially arranged on the tank body from left to right; the left side board of membrane pond is the return plate, the shaping has the feeding to lead to the groove between its upper portion and the roof bottom surface of cell body, the right side of contact oxidation pond is fixed with the dross baffle that extends around, the top surface of dross baffle is close to the bottom surface of the top board of cell body, the front and back lateral wall of dross baffle is fixed on the front and back inside wall of contact oxidation pond, the logical groove down has between the bottom of dross baffle and the bottom surface of contact oxidation pond, the left side lower part of return plate is fixed with from left and right, upwards slant extension's slant stock guide, the top right side wall of slant stock guide is fixed on the lower part left side wall of return plate. The sludge concentration in the contact oxidation pond is reduced through the contact oxidation pond, and the biological film separated from the filler is left in the contact oxidation pond through the sedimentation area, so that the sludge concentration in the rear membrane pond is reduced, and the reflux quantity is reduced.
Description
Technical Field
The utility model relates to the technical field of water treatment equipment, in particular to MBR (Membrane biological reactor) membrane energy-saving integrated equipment.
Background
MBR is also called a membrane bioreactor, and is a water treatment device which combines activated sludge and membrane technology. The device has the characteristics of high automation degree, convenient use, energy conservation and environmental protection, wherein the membranes are divided into aeration membranes, extraction membranes, solid-liquid separation type membranes and the like, and the device is widely applied to the field of water resource recycling.
In the existing integrated MBR equipment, as the common processes comprise an adjusting tank, a hydrolysis acidification tank, a contact oxidation tank and an MBR membrane tank, the concentration of sludge in the environment where a rear-end membrane system is positioned is high, and when the back-flow pump is adopted for running, the sludge and the wastewater cannot be rapidly discharged and back-flowed, so that the sludge accumulation condition of the membrane tank is easy to occur, the water quality of effluent is influenced, the membrane is easier to block, and the cleaning frequency of the membrane system is increased;
moreover, the reflow ratio of the MBR process is 200% -400%, and the energy consumption is high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides MBR membrane energy-saving integrated equipment, which reduces the concentration of sludge in a contact oxidation pond through the contact oxidation pond, and leaves a biological membrane separated from a filler in the contact oxidation pond through a precipitation area, so that the concentration of sludge in a rear membrane pond is reduced, the reflux quantity is reduced, and the energy-saving purpose is achieved.
The scheme for solving the technical problems is as follows:
an MBR membrane energy-saving integrated device comprises a tank body, wherein a hydrolysis acidification tank, a contact oxidation tank and a membrane tank are sequentially arranged on the tank body from left to right;
the left side board of membrane pond is the backward flow board, the shaping has the feeding to lead to the groove between its upper portion and the roof bottom surface of cell body, the right side of contact oxidation pond is fixed with the dross baffle that extends around, the top surface of dross baffle is close to the bottom surface of the top board of cell body, the front and back lateral wall of dross baffle is fixed on the inside wall around the contact oxidation pond, lead to the groove down between the bottom of dross baffle and the bottom surface of contact oxidation pond, the left side lower part of backward flow board is fixed with from left and right, upwards slant stock guide that extends, the top right side wall of slant stock guide is fixed on the lower part left side wall of backward flow board, the left portion bottom surface of slant stock guide is fixed on the bottom surface of contact oxidation pond.
A grid pool is fixed on the bottom surface of the top plate of the pool body above the hydrolysis acidification pool;
the right side plate of the hydrolysis acidification tank is a first separation plate, and a first discharge hole is formed in the lower portion of the first separation plate.
The bottom of the membrane tank is provided with a sludge hopper, the top surface of the bottom plate of the tank body where the membrane tank is positioned is fixed with a reflux pump, a feed inlet of the reflux pump is communicated with the sludge hopper through a connecting pipe, and a reflux pipe communicated with a discharge outlet of the reflux pump extends out of the tank body.
The utility model has the outstanding effects that:
1. the sludge concentration in the contact oxidation pond is reduced through the contact oxidation pond, the biological film separated from the filler is left in the contact oxidation pond through the precipitation area, the sludge concentration in the rear membrane pond is reduced, the reflux quantity is reduced, and the energy-saving purpose is achieved.
2. The cleaning frequency of the film is reduced, and the medicament consumption is reduced.
3. A sludge bucket is arranged below the membrane tank to prevent sludge from accumulating and influence the water quality of the discharged water.
Drawings
FIG. 1 is a schematic view of a partial structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the utility model with components such as a return pump installed;
FIG. 3 is a partial cross-sectional view of the present utility model at an alternate angle;
FIG. 4 is a schematic view of the angle change partial structure of FIG. 1;
fig. 5 is a partial enlarged view of fig. 2.
Detailed Description
1-5, an MBR membrane energy-saving integrated device comprises a tank body 10, wherein a first separation plate 15, a backflow plate 11 and a second separation plate 19 are sequentially arranged on the tank body 10 from left to right, the front side wall and the rear side wall of the first separation plate 15 are fixed on the inner side walls of the front wall plate and the rear wall plate of the tank body 10, the top surface of the first separation plate 15 is fixed on the bottom surface of a top plate of the tank body 10, the bottom surface of the first separation plate 15 and the bottom surface of the backflow plate 11 are fixed on the top surface of the bottom plate of the tank body 10, the front side wall and the rear side wall of the backflow plate 11 are fixed on the inner side walls of the front wall plate and the rear wall plate of the tank body 10, a feeding through groove 111 is formed between the top surface of the backflow plate 11 and the top plate of the tank body 10, the front side wall and the rear side wall of the second separation plate 19 are fixed on the inner side walls of the front wall plate and the rear wall plate of the tank body 10, the top surface of the second separation plate 19 is fixed on the bottom surface of the top plate of the tank body 10, and a space is reserved between the bottom plate top surfaces of the tank body 10 and the bottom plates of the second separation plate 19;
the hydrolysis acidification tank 1 is formed between the first partition plate 15 and the left side plate of the tank body 10, the tank body 10 between the first partition plate 15 and the reflux plate 11 forms the contact oxidation tank 2, the tank body 10 between the reflux plate 11 and the second partition plate 19 forms the membrane tank 3, an MBR membrane stack (not shown in the drawing) is installed in the membrane tank 3, the bottom of the membrane tank 3 is communicated with the sludge hopper 5, the sludge hopper 5 is composed of four plates which are close up from top to bottom, the top cross section area of the sludge hopper 5 is larger than the bottom cross section area, the top of the sludge hopper 5 is fixed on the inner side walls of the front side plate and the rear side plate of the corresponding tank body 10, the right side wall of the lower part of the reflux plate 11 and the bottom surface of the second partition plate 19, a reflux pump 6 is fixed on the top surface of the bottom plate between the second partition plate 19 and the right side plate of the tank body 10, the feed inlet of the reflux pump 6 is communicated with the lower part of the sludge hopper 5 through a connecting pipe, and the reflux pipe of the discharge outlet of the reflux pump 6 is communicated with the reflux pipe of the tank body 10.
Further, a grid pond 4 is fixed on the bottom surface of the top plate of the pond body 10 above the hydrolysis-acidification pond 1, the left side of the grid pond 4 is fixed on the inner side wall of the left side plate of the pond body 10, a discharge hole 41 is formed on the upper part of one side plate, the discharge hole 41 is communicated with the hydrolysis-acidification pond 1, the top of the grid pond 4 is communicated with a first feeding through groove 14 on the top plate of the pond body 10, a side through hole 70 is formed on the upper part of the left side plate of the pond body 10, and the side through hole 70 is communicated with the grid pond 4;
the lower part of the first division plate 15 is provided with a first discharge hole 16, the right side wall of the first division plate 15 is provided with a vertical guide piece 151, the vertical guide piece 151 is a bending piece, the side wall of one side plate of the vertical guide piece is fixed on the right side wall of the first division plate 15, the side wall of the other side plate is fixed on the inner wall surface of the front side plate of the tank body 10, a vertical channel is formed between the vertical guide piece 151 and the front side plate of the first division plate 15 and the tank body 10, the vertical channel is communicated with the first discharge hole 16, the vertical guide piece 151 is positioned in the contact oxidation tank 2, the top end of the vertical guide piece 151 is lower than the top end of the first division plate 15, and a first through groove 17 is formed in the top plate of the tank body 10 above the contact oxidation tank 2 right above the vertical guide piece 151.
Further, the top surface of the return plate 11 is formed with a tooth-shaped groove.
The bottom plate top surface of contact oxidation pond 2 is fixed with a plurality of blast pipes 7 that transversely set up, and the curb plate of cell body 10 is stretched out to the inlet end of blast pipe 7 that transversely sets up, has linked together a plurality of vertical blast pipes 8 on the roof of blast pipe 7, and the top of vertical blast pipe 8 is equipped with hemisphere blocking portion 9, and the top gas outlet of vertical blast pipe 8 is covered to hemisphere blocking portion 9, is fixed with a plurality of diagonal bracing bars 91 on the internal face of hemisphere blocking portion 9, and the bottom mounting of diagonal bracing bar 91 is at the top limit portion of corresponding vertical blast pipe 8.
Further, a dross baffle 12 extending back and forth is fixed on the right side of the contact oxidation tank 2, the top surface of the dross baffle 12 is close to the bottom surface of the top plate of the tank body 10, the front and back side walls of the dross baffle 12 are fixed on the front and back inner side walls of the contact oxidation tank 2, a lower through groove 21 is arranged between the bottom of the dross baffle 12 and the bottom surface of the contact oxidation tank 2, an inclined guide plate 13 extending obliquely from left to right and upwards is fixed on the left lower part of the reflux plate 11, and the right top side wall of the inclined guide plate 13 is fixed on the left lower side wall of the reflux plate 11, and the left bottom surface of the inclined guide plate 13 is fixed on the bottom surface of the contact oxidation tank 2.
The bottom end of the dross baffle 12 is formed with a bent baffle portion 121 bent rightward.
Working principle: the waste water flows into the grid tank 4 in the device automatically through pumping or liquid level difference (in this embodiment, the waste water can enter through the side through holes 70 or the first feeding through groove 14), larger impurity particles can be located in the grid tank 4, larger impurities are removed, and then the waste water flows into the hydrolytic acidification tank 1 automatically through the discharge hole 41, wherein a plurality of filtering through holes can be formed in the bottom surface of the grid tank 4, filtering arrangement can be realized, and large-particle impurities are located in the grid tank 4, and the waste water entering the hydrolytic acidification tank 1 is treated.
The hydrolysis (acidification) treatment method is a method which is between an aerobic treatment method and an anaerobic treatment method, and can reduce the treatment cost and improve the treatment efficiency by combining with other processes. According to different growth rates of methanogens and acidogenic hydrologic bacteria, the hydrolytic acidification technology controls anaerobic treatment in the first and second stages of anaerobic treatment with shorter reaction time, namely, the process of hydrolyzing insoluble organic matters into soluble organic matters under the action of a large number of hydrolytic bacteria and acidizing bacteria and converting macromolecular substances difficult to biodegrade into micromolecular substances easy to biodegrade, thereby improving the biodegradability of wastewater and laying a good foundation for subsequent treatment.
Mechanistically, hydrolysis and acidification are two stages of the anaerobic digestion process, but the treatments of hydrolytic acidification for different processes are different. The purpose of hydrolysis in the hydrolysis acidification-aerobic biological treatment process is mainly to convert non-soluble organic matters in the original wastewater into soluble organic matters, especially industrial wastewater, and mainly convert the organic matters which are difficult to biodegrade into organic matters which are easy to biodegrade, so that the biodegradability of the wastewater is improved, and the subsequent aerobic treatment is facilitated. This is conventional and will not be described in detail here.
Then, the wastewater enters the vertical channel from the first discharge hole 16 and enters the contact oxidation pond 2 from the top end of the vertical channel, the gas introduced into the exhaust pipe 7 is discharged into the contact oxidation pond 2 from the vertical exhaust pipe 8, impurities and the like above the gas can be blocked from blocking the top end of the vertical exhaust pipe 8 through the hemispherical blocking part 9, the wastewater is treated in the contact oxidation pond 2, and a filler (not shown in the drawing) is arranged in the contact oxidation pond 2;
the contact oxidation method is an aerobic biomembrane sewage treatment method, and the system consists of a filler immersed in sewage, biomembrane on the surface of the filler, an aeration system and a tank body. Under the aerobic condition, the sewage fully contacts with the biomembrane fixed on the surface of the filler, and organic matters, nutritive salts and the like in the sewage are removed through biodegradation, so that the sewage is purified. Which is conventional and will not be described in detail herein.
In order to prevent the concentration of sludge from being too high, the wastewater after the reaction in the contact oxidation tank 2 flows upwards along the gap between the scum baffle 12 and the reflux plate 11, then enters the membrane tank 3 through the feeding through groove 111 above the reflux plate 11, a sedimentation area is arranged between the scum baffle 12 and the reflux plate 11, the biological membrane separated from the filler contained in the treated water and the free activated sludge in the water are sedimentated and separated, and the biological membrane and the free activated sludge slide downwards along the inclined guide plate 13 and return to the contact oxidation tank 2 to continue aeration, and the gas in the contact oxidation tank 2 can be reduced to enter the sedimentation area through the scum baffle 12 without additional equipment for carrying out sludge reflux;
after entering the membrane tank 3, the clean water is above the membrane reactor, the sludge and the water at the bottom are in the sludge hopper 5, and the sludge and part of the water are discharged from a return pipe communicated with a discharge port of the return pump 6 through the return pump 6 and then enter the return equipment for return reprocessing.
Because its partial mud is in contact oxidation pond 2, need not extra equipment and carries out the mud backward flow, reduces the mud concentration of membrane pond 3, reduces the reflux volume, reaches energy-conserving purpose, also reduces the washing frequency of membrane, reduces the medicament consumption, and membrane pond 3 below sets up sludge bucket 5, prevents that the accumulation phenomenon from appearing in mud, influences the water quality of yielding water.
Claims (5)
1. MBR membrane energy-saving integrated equipment comprises a tank body (10), and is characterized in that: the tank body (10) is sequentially provided with a hydrolysis acidification tank (1), a contact oxidation tank (2) and a membrane tank (3) from left to right;
the left side board of membrane pond (3) is backward flow board (11), the shaping has feeding through groove (111) between the roof bottom surface of its upper portion and cell body (10), the right side of contact oxidation pond (2) is fixed with dross baffle (12) that extend from front to back, the top surface of dross baffle (12) is close to the bottom surface of the top board of cell body (10), the front and back lateral wall of dross baffle (12) is fixed on the front and back inside wall of contact oxidation pond (2), down lead to groove (21) have between the bottom of dross baffle (12) and the bottom surface of contact oxidation pond (2), the left side lower part of backward flow board (11) is fixed with from left to right, upwards slant stock guide (13) that slant extends, the top right side wall of slant stock guide (13) is fixed on the lower part left side wall of backward flow board (11), the left part bottom surface of slant stock guide (13) is fixed on the bottom surface of contact oxidation pond (2).
2. The MBR membrane energy-saving integrated device of claim 1, wherein: a grid pond (4) is fixed on the bottom surface of the top plate of the pond body (10) above the hydrolysis acidification pond (1), a discharge port (41) is formed on the upper part of one side plate of the grid pond (4), the discharge port (41) is communicated with the hydrolysis acidification pond (1), and the top of the grid pond (4) is communicated with a first feeding through groove (14) on the top plate of the pond body (10);
the right side board of hydrolysis acidification pond (1) is first division board (15), the lower part of first division board (15) is equipped with first discharge gate (16), be equipped with vertical guide (151) on the right side wall of first division board (15), vertical guide (151) communicate with each other with first discharge gate (16), vertical guide (151) are in contact oxidation pond (2), the top of vertical guide (151) is less than the top of first division board (15), the shaping has first logical groove (17) on the roof of cell body (10) of contact oxidation pond (2) top directly over vertical guide (151).
3. The MBR membrane energy-saving integrated device of claim 1, wherein: the top surface of the reflux plate (11) is provided with a tooth-shaped groove.
4. The MBR membrane energy-saving integrated device of claim 1, wherein: the bottom of the membrane tank (3) is provided with a sludge hopper (5), the top surface of a bottom plate of a tank body (10) where the membrane tank (3) is positioned is fixed with a reflux pump (6), a feed inlet of the reflux pump (6) is communicated with the sludge hopper (5) through a connecting pipe, and a reflux pipe communicated with a discharge outlet of the reflux pump (6) extends out of the tank body (10).
5. The MBR membrane energy-saving integrated device of claim 1, wherein: the bottom plate top surface of contact oxidation pond (2) is fixed with a plurality of blast pipes (7) that transversely set up, has linked together a plurality of vertical blast pipes (8) on the roof of blast pipe (7), and the top of vertical blast pipe (8) is equipped with hemisphere and blocks portion (9), and hemisphere blocks portion (9) cover the top gas outlet of vertical blast pipe (8), is fixed with a plurality of diagonal bracing bars (91) on the internal face of hemisphere blocking portion (9), and the bottom mounting of diagonal bracing bar (91) is at the top limit portion of vertical blast pipe (8) that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321761665.5U CN220665092U (en) | 2023-07-06 | 2023-07-06 | MBR membrane energy-saving integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321761665.5U CN220665092U (en) | 2023-07-06 | 2023-07-06 | MBR membrane energy-saving integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220665092U true CN220665092U (en) | 2024-03-26 |
Family
ID=90344303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321761665.5U Active CN220665092U (en) | 2023-07-06 | 2023-07-06 | MBR membrane energy-saving integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220665092U (en) |
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2023
- 2023-07-06 CN CN202321761665.5U patent/CN220665092U/en active Active
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