CN210215085U - Sewage treatment equipment containing waste acid - Google Patents
Sewage treatment equipment containing waste acid Download PDFInfo
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- CN210215085U CN210215085U CN201920765817.6U CN201920765817U CN210215085U CN 210215085 U CN210215085 U CN 210215085U CN 201920765817 U CN201920765817 U CN 201920765817U CN 210215085 U CN210215085 U CN 210215085U
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Abstract
The utility model relates to the technical field of waste acid-containing sewage treatment, in particular to waste acid-containing sewage treatment equipment, which solves the defect of low biological phosphorus removal efficiency in the prior art and comprises an adjusting tank, a first-stage biochemical tank, a second-stage biochemical tank and a disinfection tank, wherein one side of the adjusting tank is provided with a grid, and the adjusting tank is conveyed to a sludge tank through a sewage lifting pump, the sludge tank is connected to a first-stage biochemical tank through a water pipe, a second-stage biochemical tank is arranged on one side of the first-stage biochemical tank, the two biochemical tanks are communicated with each other, and the two biochemical tanks are connected with the air blower, the utility model adds a coagulating sedimentation process on the basis of biological phosphorus removal, and then removes phosphorus by a chemical method, thereby greatly improving the phosphorus removal efficiency, thereby reducing the generation of phosphoric acid, effectively eliminating waste acid contained in the sewage and improving the treatment effect of the sewage.
Description
Technical Field
The utility model relates to a sewage treatment technical field who contains the spent acid especially relates to a sewage treatment device who contains the spent acid.
Background
According to the water quality characteristics of sewage treatment engineering and the water quality standard of discharged water, because BOD5/CODcr in domestic sewage is about 0.6, which belongs to sewage easy to be biochemical, the rapid biochemical method is adopted, not only can degrade organic matters in sewage, but also can achieve the aim of denitrification. But the biological phosphorus removal efficiency can only reach 80 percent, and the efficiency is lower.
However, because the ignition point of phosphorus is low, phosphorus pentoxide is easily generated in the air, and phosphoric acid is further generated when the phosphorus pentoxide meets water, so that acid and alkali in sewage are unbalanced and are not easily reused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect of low efficiency of biological phosphorus removal in the prior art and providing a sewage treatment device containing waste acid.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sewage treatment device who contains spent acid, includes equalizing basin, one section biochemical pond, two-stage process biochemical pond and disinfection pond, one side of equalizing basin is provided with the grid to the equalizing basin passes through sewage elevator pump and delivers to the sludge impoundment, and the sludge impoundment leads to pipe connection to one section biochemical pond, and one side in one section biochemical pond is provided with two-stage process biochemical pond, and two biochemical ponds communicate each other, and two biochemical ponds connect the air-blower, and one side in two-stage process biochemical pond has set gradually flocculation basin, sedimentation tank, middle pond and disinfection pond, and the flocculation basin is connected to the doser, and middle pond is connected to the filter aluminum sulfate intake pump, and the disinfection pond is connected to the washing water pump, and inserts constructed wetland, filter intake pump and washing water pump.
Preferably, the first-stage biochemical pool is composed of a first-stage distribution pool and a first-stage fast separation pool, and the second-stage biochemical pool is composed of a second-stage distribution pool and a second-stage fast separation pool, wherein the distribution pool and the fast separation pool are distributed left and right.
Preferably, a sewage lifting pump is installed on one side of the bottom of the adjusting tank, and sludge at the bottom of the sludge tank is periodically pumped out and transported by a dung suction truck.
Preferably, the output end of the middle water tank is connected with the filter water inlet pump, and the output end of the filter water inlet pump is connected with the valve at the air inlet end of the high-efficiency fiber filter.
Preferably, the output end of the disinfection pond is connected with the cleaning water pump, and the output end of the cleaning water pump is connected with the other valve at the air inlet end of the high-efficiency fiber filter.
Preferably, the bottom of the high-efficiency fiber filter is provided with an air inlet, the air inlet is connected with the domestic sewage inlet, the top of the high-efficiency fiber filter is provided with an air outlet, and the air outlet is connected with the disinfection tank.
Preferably, the output end of the air blower is respectively connected to the first-stage biochemical tank and the second-stage biochemical tank and is additionally connected to the air inlet of the high-efficiency fiber filter.
Compared with the prior art, the utility model discloses on the basis of biological dephosphorization, increase the coagulating sedimentation technology, make its rethread chemical method carry out the dephosphorization, improved the efficiency of dephosphorization greatly to reduce the generation of phosphoric acid, eliminated the spent acid that contains in the sewage effectively, improved the treatment effect of sewage.
Drawings
FIG. 1 is a process flow diagram of a waste acid-containing sewage treatment plant according to the present invention;
FIG. 2 is a schematic view of a sewage lift pump of a waste acid-containing sewage treatment plant according to the present invention;
FIG. 3 is a schematic structural view of a high efficiency fiber filter of a waste acid-containing sewage treatment plant according to the present invention;
FIG. 4 is a schematic structural view of a cleaning water pump of a waste acid-containing sewage treatment plant according to the present invention;
FIG. 5 is a schematic structural view of a filter water inlet pump of a waste acid-containing sewage treatment plant according to the present invention;
FIG. 6 is a schematic view of a blower of a waste acid-containing sewage treatment plant according to the present invention;
fig. 7 is a structural schematic view of an aluminum sulfate doser of sewage treatment equipment containing waste acid provided by the utility model.
In the figure: 1 grid, 2 equalizing basin, 3 sewage elevator pump, 4 sludge impoundments, 5 first stage biochemical ponds, 6 second stage biochemical ponds, 7 flocculation basin, 8 sedimentation tank, 9 middle pond, 10 disinfection ponds, 11 high-efficient fiber filter, 12 cleaning water pump, 13 filter intake pumps, 14 air-blowers, 15 aluminum sulfate doser.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-7, a sewage treatment device containing waste acid comprises an adjusting tank 2, a first-stage biochemical tank 5, a second-stage biochemical tank 6 and a disinfection tank 10, wherein one side of the adjusting tank 2 is provided with a grid 1, the adjusting tank 2 is used for adjusting water quantity and water quality, the grid 1 is used for removing large-particle impurities, the adjusting tank 2 is conveyed to a sludge tank 4 through a sewage lifting pump 3, the sludge tank 4 is connected to the first-stage biochemical tank 5 through a water pipe, one side of the first-stage biochemical tank 5 is provided with the second-stage biochemical tank 6 (rapid-decomposition biochemical balls are respectively arranged inside the first-stage biochemical tank 5 and the second-stage biochemical tank 6, ceramic material filter materials are filled in the balls, the two biochemical tanks are mutually communicated, the two biochemical tanks are connected with an air blower 14, one side of the second-stage biochemical tank 6 is sequentially provided with a flocculation tank 7, a sedimentation tank 8, an, the aluminum sulfate doser 15 aims at adding aluminum sulfate so as to improve the removal rate of phosphorus, the middle water tank 9 is connected to the filter water inlet pump 13, the filter water inlet pump 13 injects water into the disinfection tank 10, the disinfection tank 10 is connected to the cleaning water pump 12, the cleaning water pump 12 can discharge qualified water and enter the artificial wetland, and the filter water inlet pump 13 and the cleaning water pump 12 are both connected to the high-efficiency fiber filter 11.
Specifically, one section biochemical pond 5 comprises one section distribution pond and one section fast branch pond, and two sections biochemical pond 6 comprises two sections distribution ponds and two sections fast branch ponds, and wherein, distribution pond and fast branch pond are left and right sides and distribute, and sewage elevator pump 3 is installed to bottom one side of equalizing basin 2, and the bottom mud of sludge impoundment 4 is taken out outward by inhaling the dung-cart regularly, and in addition, the output and the filter intake pump 13 of middle pond 9 are connected to be connected with the valve of the air inlet end of high efficiency fiber filter 11 by the output of filter intake pump 13.
Specifically, air inlet has been seted up to high efficiency fiber filter 11's bottom, air inlet is connected with domestic sewage's the mouth of throwing in, and air outlet has been seted up at high efficiency fiber filter 11's top, air outlet is connected with disinfection pond 10, the output and the washing water pump 12 of disinfection pond 10 are connected, and be connected by another valve of the output of washing water pump 12 and high efficiency fiber filter 11's air inlet end, in addition, air-blower 14's output is connected to one section biochemical pond 5 and two-stage process biochemical pond 6 respectively, and be connected to high efficiency fiber filter 11's air inlet in addition.
In this embodiment, domestic sewage firstly gets into equalizing basin 2, because the aquatic contains a large amount of suspended solids, consequently establish one set of artifical grid 1 (fine grid) before equalizing basin 2 for get rid of the debris of large granule, equalizing basin 2 is used for regulating water yield and quality of water, sewage in the equalizing basin 2 gets into the biochemical pond of fast minute (including one section biochemical pond 5, two-stage process biochemical pond 6, flocculation basin 7, sedimentation tank 8, middle pond 9 and disinfection pond 10) by sewage elevator pump 3, the bottom in the biochemical pond of fast minute sets up the aeration pipe and carries out the aeration.
The sewage enters a coagulating sedimentation tank 8 after biochemical treatment, an aluminum sulfate medicament is added into the sedimentation tank 8 and further reacts with phosphate radicals in water to generate aluminum phosphate insoluble substances, the removal rate of phosphorus can be improved by adding aluminum sulfate, meanwhile, the sludge can be more easily concentrated in a sludge tank 4, the concentration of the sludge in the sludge tank 4 is improved, the tank volume of the sludge tank is reduced, the effluent enters a high-efficiency fiber filter 11 through a lift pump, and the effluent of a filter water inlet pump 13 automatically flows into a disinfection tank 10 and is disinfected by chlorine tablets.
The water in the disinfection tank 10 is used as the cleaning water for the high-efficiency fiber filter 11, and when the filter water inlet pump 13 stops cleaning, the cleaning water pump 12 discharges qualified water.
The process is characterized in that a sludge tank 4 is arranged, sludge in an adjusting tank 2 and a sedimentation tank 8 is discharged into the sludge tank 4, supernatant liquid flows back into the adjusting tank 2, and sludge at the bottom of the sludge tank 4 is periodically transported outwards by a dung pumping vehicle.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A sewage treatment device containing waste acid comprises an adjusting tank (2), a first section of biochemical tank (5), a second section of biochemical tank (6) and a disinfection tank (10), and is characterized in that one side of the adjusting tank (2) is provided with a grid (1), the adjusting tank (2) is conveyed to a sludge tank (4) through a sewage lifting pump (3), the sludge tank (4) is connected to the first section of biochemical tank (5) through a water pipe, one side of the first section of biochemical tank (5) is provided with the second section of biochemical tank (6), the two biochemical tanks are mutually communicated, the two biochemical tanks are connected with an air blower (14), one side of the second section of biochemical tank (6) is sequentially provided with a flocculation tank (7), a sedimentation tank (8), an intermediate water tank (9) and the disinfection tank (10), the flocculation tank (7) is connected to an aluminum sulfate doser (15), the intermediate water tank (9) is connected, and the disinfection tank (10) is connected to the cleaning water pump (12) and is connected to the artificial wetland, and the filter water inlet pump (13) and the cleaning water pump (12) are both connected to the high-efficiency fiber filter (11).
2. The waste acid-containing sewage treatment plant according to claim 1, wherein said first biochemical tank (5) is comprised of a first distribution tank and a first velocity separation tank, and said second biochemical tank (6) is comprised of a second distribution tank and a second velocity separation tank, wherein said distribution tanks and said velocity separation tanks are distributed from side to side.
3. A waste acid-containing sewage treatment plant as claimed in claim 1, wherein a sewage lift pump (3) is installed at one side of the bottom of the adjusting tank (2), and the sludge at the bottom of the sludge tank (4) is periodically pumped out and transported by a dung suction truck.
4. A waste acid-containing sewage treatment plant according to claim 1, wherein the outlet of said intermediate basin (9) is connected to a filter inlet pump (13) and from the outlet of said filter inlet pump (13) to the valve at the air inlet of said hepa filter (11).
5. A waste acid-containing sewage treatment plant as claimed in claim 1, wherein the output of said disinfection tank (10) is connected to a washing water pump (12) and connected by the output of said washing water pump (12) to another valve at the air inlet end of said hepa filter (11).
6. The waste acid-containing sewage treatment equipment according to claim 1, wherein an air inlet is formed in the bottom of the high-efficiency fiber filter (11), the air inlet is connected with a domestic sewage inlet, an air outlet is formed in the top of the high-efficiency fiber filter (11), and the air outlet is connected with the disinfection tank (10).
7. A waste acid-containing sewage treatment plant according to claim 1, wherein the output of said blower (14) is connected to the primary (5) and secondary (6) biochemical tanks, respectively, and additionally to the air inlet of the high efficiency fiber filter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765817.6U CN210215085U (en) | 2019-05-27 | 2019-05-27 | Sewage treatment equipment containing waste acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765817.6U CN210215085U (en) | 2019-05-27 | 2019-05-27 | Sewage treatment equipment containing waste acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210215085U true CN210215085U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920765817.6U Active CN210215085U (en) | 2019-05-27 | 2019-05-27 | Sewage treatment equipment containing waste acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210215085U (en) |
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2019
- 2019-05-27 CN CN201920765817.6U patent/CN210215085U/en active Active
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