CN112624511A - Sewage treatment system and method for environmental remediation - Google Patents
Sewage treatment system and method for environmental remediation Download PDFInfo
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- CN112624511A CN112624511A CN202011541751.6A CN202011541751A CN112624511A CN 112624511 A CN112624511 A CN 112624511A CN 202011541751 A CN202011541751 A CN 202011541751A CN 112624511 A CN112624511 A CN 112624511A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
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Abstract
The utility model relates to the field of sewage treatment equipment, a sewage treatment system for environmental remediation and a method thereof are disclosed, the sewage treatment system comprises a reaction tank, the top of reaction tank is equipped with extraction opening and gas vent, be equipped with first connecting plate and polylith second connecting plate in the reaction tank, first connecting plate is located the below of polylith second connecting plate, first connecting plate and polylith second connecting plate all top-down slope set up in the reaction tank, and all with reaction tank inner wall fixed connection on one side, reserve between another side and the reaction tank and have the flow channel, and first connecting plate and polylith second connecting plate stagger in the horizontal direction and set up, the surface of first connecting plate and second connecting plate all is equipped with the anaerobe layer, the anaerobe layer is methane fungus, the bottom of reaction tank is equipped with the mud discharge port. This application has reduced because of the impurity deposit in the sewage on the surface on the anaerobe layer of first connecting plate and second connecting plate, and to the follow-up influence that causes sewage of treatment of reaction tank.
Description
Technical Field
The application relates to the field of sewage treatment equipment, in particular to a sewage treatment system for environmental remediation and a method thereof.
Background
At present, with the development of social economy, environmental pollution is getting more and more serious, and water pollution is also getting more and more serious. In order to enable ecological and economic coordination and sustainable development, the environment needs to be remediated, and the most important point of environmental remediation is the treatment of sewage.
Chinese patent publication No. CN107585962A discloses a sewage treatment system, which comprises a reaction tank, wherein the reaction tank comprises a sewage inlet arranged at the bottom of the reaction tank, a water outlet arranged at the upper part of the reaction tank, and a gas outlet arranged at the top of the reaction tank, the bottom of the reaction tank is communicated with a conical body, a sludge outlet is arranged at the lower end of the conical body, the sewage treatment system further comprises an air extraction pipeline communicated with the reaction tank, and a vacuum pump for vacuum extraction is arranged on the air extraction pipeline; the reaction tank is internally provided with a plurality of first clapboards which are arranged up and down, the first clapboards are horizontally arranged in the reaction tank, a plurality of second clapboards which are parallel to each other and are arranged along the vertical direction are arranged between two adjacent first clapboards, the upper end and the lower end of each second clapboard are connected with the first clapboards, one end of each first clapboard is hermetically connected with the inner wall of the reaction tank, the other end of each first clapboard is a first water flow channel which is arranged between the free end and the inner wall of the reaction tank and is used for sewage to pass through, the first water flow channels formed between the two adjacent first clapboards and the inner wall of the reaction tank are respectively positioned at the left side and the right side of the reaction tank, one end of each second clapboard is hermetically connected with the inner wall of the reaction tank, and the other end of each second clapboard is a second water flow channel which is arranged between the free end and the inner wall of the reaction tank and is used for sewage to pass through, two adjacent second baffles with the reaction tank inner wall between the second rivers passageway that forms be located respectively the reaction tank around both sides, the surface of first baffle and second baffle all be provided with the anaerobism, the anaerobism be the methane-producing fungus.
According to the related technology, after sewage enters the reaction tank, the sewage flows to the first partition plate and the second partition plate and reacts with anaerobic bacteria on the first partition plate, and finally is discharged through the water outlet.
Disclosure of Invention
In order to improve the sewage treatment in-process, impurity in the sewage is at the surface deposit of first baffle, and covers anaerobe, causes the defect of influence to follow-up sewage treatment's effect, this application provides a sewage treatment system and method for environmental remediation.
The application provides a sewage treatment system for environmental remediation, adopts following technical scheme to obtain:
a sewage treatment system for environmental remediation comprises a reaction tank, wherein a water inlet is arranged on the side wall of the reaction tank close to the bottom, a water outlet is arranged at the top of the reaction tank, an air suction port and an air exhaust port are arranged at the top of the reaction tank, a vacuum pump is connected to the end, far away from the reaction tank, of the air suction port, a first connecting plate and a plurality of second connecting plates are arranged in the reaction tank, the first connecting plate is positioned below the plurality of second connecting plates, the first connecting plate and the plurality of second connecting plates are obliquely arranged in the reaction tank from top to bottom, one side of the first connecting plate and one side of the second connecting plate are fixedly connected with the inner wall of the reaction tank, a water flow channel is reserved between the other side of the first connecting plate and the reaction tank, the first connecting plate and the plurality of second connecting plates are arranged in a staggered manner in the horizontal direction, anaerobic, and a sludge discharge port is formed at the bottom of the reaction tank.
Through above-mentioned technical scheme, before carrying out sewage treatment, take out to the oxygen-free state of vacuum in with the reaction tank through the vacuum pump, then sewage passes through the water inlet and gets into the reaction tank to loop through the flowing water passageway upflow, and react with the methane-producing fungus on first connecting plate and the second connecting plate, make the pollutant in the sewage reduce, the sewage through the processing is discharged through the delivery port, and the mud that deposits from sewage passes through the mud discharge port and discharges. The first connecting plate and the second connecting plate are obliquely arranged, so that the distribution area of an anaerobic bacteria layer is increased, and the efficiency of sewage treatment is improved; and be favorable to the impurity of deposit on first connecting plate and second connecting plate along the inclined plane landing of first connecting plate and second connecting plate, reduce impurity deposit and shelter from the anaerobe layer cover on first connecting plate and second connecting plate, and cause the possibility of influence to the treatment effect of sewage.
Preferably: the upper surface of the junction of the reaction tank inner wall and the first connecting plate and the second connecting plate is provided with a gas pipe, a plurality of gas outlets are arranged on the gas pipe, and the gas outlets are arranged towards the inclined surfaces of the first connecting plate and the second connecting plate.
Through above-mentioned technical scheme, sewage treatment accomplishes the back, earlier through the gas vent with the gas outgoing in the reaction tank and collect, then blow towards first connecting plate and second connecting plate through the gas-supply pipe, clear up the impurity of deposit on first connecting plate and second connecting plate surface through gaseous, be favorable to further reducing the impurity deposit on the surface of first connecting plate and second connecting plate and cause the possibility of influence to next sewage treatment's effect.
Preferably: the outer side of the gas transmission pipe is provided with a cover net which is covered on the periphery of the plurality of gas outlets.
Through above-mentioned technical scheme, the setting of cover net blocks the impurity in the sewage in the outside of delivery port, is favorable to reducing the possibility that impurity in the sewage blocks up the delivery port.
Preferably: a filter screen is arranged at a water flowing channel between the first connecting plate and the reaction tank in the reaction tank, and the water flowing channel is shielded by the filter screen.
Through above-mentioned technical scheme, the setting of filter screen is favorable to filtering and stopping the impurity in the sewage from bottom to top, reduces the impurity volume that the impurity in the sewage rises to first connecting plate and second connecting plate top.
Preferably: the outside fixedly connected with connection box of filter screen, the mounting groove has been seted up on the lateral wall of reaction tank, the connection box joint is in the mounting groove and stretch into to the reaction tank in, the outside of reaction tank is equipped with the sealing member in the notch department of mounting groove.
Through above-mentioned technical scheme, the filter screen passes through the relation that can dismantle the connection of adoption between connection frame and the reaction tank, and the operator of being convenient for regularly takes out the filter screen from the reaction tank and clears up to keep the filter effect of filter screen.
Preferably: the sealing member includes the housing, the housing cover is established at the notch cover of mounting groove and is established, the housing passes through bolted connection in the outside of reaction tank, connect through the connecting rod between linking frame and the housing.
Through above-mentioned technical scheme, the setting of housing is favorable to improving the sealed effect to the mounting groove notch, reduces the air and passes through the possibility that mounting groove department takes place to leak gas.
Preferably: still include one-level sedimentation tank and second grade sedimentation tank, be equipped with first water pump between one-level sedimentation tank and the reaction tank, the input of first water pump links to each other with the one-level sedimentation tank, the output of first water pump links to each other with the water inlet of reaction tank, be equipped with the charge door on the one-level sedimentation tank, and be equipped with the (mixing) shaft in the one-level sedimentation tank, the top outside of one-level sedimentation tank is equipped with and is used for driving the rotatory motor of (mixing) shaft, be equipped with the second water pump between second grade sedimentation tank and the reaction tank, the input of second water pump links to each other with the second grade sedimentation tank, the output of second water pump links to each other with the delivery port of reaction tank, be equipped with buffering subassembly in the.
According to the technical scheme, before sewage enters the reaction tank for treatment, the sewage firstly enters the primary sedimentation tank, an operator adds the flocculating agent into the reaction tank through the feeding port and stirs the flocculating agent and the sewage through the stirring shaft, so that impurities in the sewage are flocculated and precipitated; and the sewage after primary precipitation enters a reaction tank for treatment, then enters a secondary precipitation tank for secondary precipitation, and finally is discharged.
The application also provides a method of the sewage treatment system for environmental remediation, which is obtained by adopting the following technical scheme:
a method of an environmental remediation sewage treatment system, comprising the steps of:
firstly, sewage enters a primary sedimentation tank, a flocculating agent is added into the primary sedimentation tank through a feeding port, then a motor is started, and a stirring shaft is driven by the motor to stir the sewage and the flocculating agent;
secondly, after impurities in the sewage are flocculated and precipitated, the sewage subjected to primary precipitation is pumped into a reaction tank through a first water pump, and the sewage reacts with methane bacteria on the first connecting plate and the second connecting plate in the reaction tank;
step three, after the sewage is treated by the reaction tank, pumping the sewage into a secondary sedimentation tank by a second water pump for sedimentation;
the fourth step: after the treatment of partial sewage is finished, gas in the reaction tank is discharged and collected through the gas exhaust port, then the gas is blown towards the interior of the reaction tank through the gas conveying pipe, the gas is blown out from the gas exhaust port, and impurities deposited on the upper surfaces of the first connecting plate and the second connecting plate are removed so as to be used for next sewage treatment.
Through above-mentioned technical scheme, when handling sewage, sewage gets into the one-level sedimentation tank earlier and deposits, through the first back that deposits, and sewage reentrant reaction tank carries out reaction treatment, and the sewage after the reaction of reaction tank reentrants second grade sedimentation tank carries out the secondary sedimentation to the realization is to the processing of sewage. After the reaction tank carries out a period of treatment to sewage, earlier discharge the sewage in the reaction tank, then blow towards first connecting plate and second connecting plate through the gas-supply pipe, blow off the impurity of deposit on first connecting plate and second connecting plate through gaseous, clear up first connecting plate and second connecting plate, reduce the surface of impurity deposit at first connecting plate and second connecting plate, make anaerobe layer cover, and when leading to the reaction tank to continue to be used for handling sewage, cause the possibility of influence to the treatment effect of sewage.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the possibility of covering an anaerobic bacteria layer is caused by reducing the deposition of impurities in the sewage on the upper surfaces of the first connecting plate and the second connecting plate in the reaction process of the sewage in the reaction tank, so that the reaction effect of the subsequent sewage in the reaction tank is favorably maintained;
2. the setting of filter screen has played the filter effect to the sewage through between first connecting plate and the reaction tank pool wall, is favorable to further reducing the sedimentary possibility of sewage on first connecting plate and second connecting plate.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a top view of an embodiment of the present application.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
FIG. 5 is a schematic structural diagram for showing a positional relationship between the air pipe and the second connecting plate in the embodiment of the present application.
Fig. 6 is an enlarged view of a portion B in fig. 3.
Reference numerals: 1. a reaction tank; 11. a water inlet; 12. a water outlet; 13. an air extraction opening; 131. a vacuum pump; 14. an exhaust port; 141. a gas storage tank; 15. a first connecting plate; 151. a water flow channel; 152. an anaerobic bacteria layer; 153. a filter screen; 154. a connecting frame; 16. a second connecting plate; 17. a sludge discharge port; 18. a gas delivery pipe; 181. an air outlet; 182. a cover net; 19. mounting grooves; 191. a housing; 192. a bolt; 193. a connecting rod; 2. a first-stage sedimentation tank; 21. a first water pump; 22. a stirring shaft; 23. a motor; 24. a feed inlet; 3. a secondary sedimentation tank; 31. a second water pump; 32. a buffer plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a sewage treatment system for environmental remediation and a method thereof.
Referring to fig. 1, the sewage treatment system for environmental remediation includes a reaction tank 1, and a primary sedimentation tank 2 and a secondary sedimentation tank 3. A water inlet 11 is arranged on the side wall of the reaction tank 1 close to the bottom, and a water outlet 12 is arranged at the top of the reaction tank 1.
Referring to fig. 2 and 3, a first water pump 21 is arranged between the primary sedimentation tank 2 and the reaction tank 1, an input end of the first water pump 21 is connected with the primary sedimentation tank 2, and an output end of the first water pump 21 is connected with the water inlet 11 of the reaction tank 1. The top of one-level sedimentation tank 2 is equipped with charge door 24 to be equipped with (mixing) shaft 22 in the one-level sedimentation tank 2, the top outside of one-level sedimentation tank 2 is equipped with motor 23, motor 23 and (mixing) shaft 22 coaxial coupling. A second water pump 31 is arranged between the second-stage sedimentation tank 3 and the reaction tank 1, the input end of the second water pump 31 is connected with the second-stage sedimentation tank 3, and the output end of the second water pump 31 is connected with the water outlet 12 of the reaction tank 1. The below of the end of intaking in second grade sedimentation tank 3 is equipped with buffering subassembly, and buffering subassembly includes buffer board 32, and buffer board 32 bonds on the inner wall of second grade sedimentation tank 3, and is located the below of the end of intaking.
Referring to fig. 2 and 3, in operation, sewage firstly enters the primary sedimentation tank 2, then the flocculating agent is added into the primary sedimentation tank 2 through the feed inlet 24, the motor 23 is started, the stirring shaft 22 is driven by the motor 23 to rotate, so that the sewage and the flocculating agent are stirred and mixed, impurities in the sewage are flocculated, and the impurities are precipitated in the primary sedimentation tank 2. Then, water is pumped into the reaction tank 1 by the first water pump 21, and then the sewage reacts in the reaction tank 1. Then in second water pump 31 takes out second grade sedimentation tank 3 that water was taken out from reaction tank 1, second water pump 31 takes out water from reaction tank 1 in second grade sedimentation tank 3 next, then on water falls the buffer board 32 through the end of intaking, falls into second grade sedimentation tank 3 again after the buffering in, when having reduced sewage and getting into second grade sedimentation tank 3 interior drop great, will take place the impurity that deposits easily and arouse and stir muddy possibility.
Referring to fig. 3, the top of the reaction tank 1 is provided with an air suction port 13 and an air exhaust port 14, one end of the air suction port 13, which is far away from the reaction tank 1, is connected with a vacuum pump 131, and the air exhaust port 14 is provided with an air storage tank 141. When the sewage enters the reaction tank 1, the interior of the reaction tank 1 can be pumped to a vacuum oxygen-free state by the vacuum pump 131. Be equipped with first connecting plate 15 and polylith second connecting plate 16 in reaction tank 1, second connecting plate 16 can set up two, first connecting plate 15 is located two second connecting plate 16's below, first connecting plate 15 and the equal top-down slope of a second connecting plate 16 set up in reaction tank 1, and first connecting plate 15 and two second connecting plate 16 stagger the setting on the horizontal direction, one side of first connecting plate 15 and second connecting plate 16 all with 1 inner wall bonding of reaction tank fixed, it has flowing water passageway 151 to reserve between the other side and the inner wall of reaction tank 1. The cross sections of the reaction tank 1 and the first connecting plate 15 and the second connecting plate 16 are all set to be rectangular, and the outer side edges of the first connecting plate 15 and the second connecting plate 16 are all fixedly connected with the inner wall of the reaction tank 1.
Referring to fig. 3, the surfaces of the first connecting plate 15 and the second connecting plate 16 are both provided with an anaerobic bacteria layer 152, and the anaerobic bacteria layer 152 is methane bacteria. After sewage got into reaction tank 1, sewage reacted with anaerobe layer 152 on first connecting plate 15 and the second connecting plate 16, thereby realize reacting and handling sewage, the impurity deposit in the sewage is to first connecting plate 15 and second connecting plate 16 on, be favorable to along the inclined surface landing of first connecting plate 15 and second connecting plate 16, it covers anaerobe layer 152 completely to have reduced impurity, and cause the possibility of influence to the reaction effect of anaerobe layer and sewage. The bottom of the reaction tank 1 is provided with a sludge discharge port 17, and impurities and sludge deposited on the bottom of the reaction tank 1 can be discharged through the sludge discharge port 17.
Referring to fig. 3 and 4, a filter screen 153 is provided in the reaction tank 1 at the water flow path 151 between the first connection plate 15 and the reaction tank 1, and the filter screen 153 blocks the water flow path 151. The outside fixedly connected with coupling frame 154 of filter screen 153 has seted up mounting groove 19 on the lateral wall of reaction tank 1, and coupling frame 154 joint is at mounting groove 19 to coupling frame 154 and filter screen 153 stretch into to reaction tank 1 in through mounting groove 19. The outside of reaction tank 1 is equipped with the sealing member, and the sealing member includes housing 191, and housing 191 covers the notch cover of establishing in mounting groove 19, and housing 191 passes through the outside of bolt 192 connection at reaction tank 1. A connecting rod 193 is connected to one side of the connecting frame 154 facing the housing 191, and the other end of the connecting rod 193 is connected and fixed to the housing 191. The sewage spreads to the upper side of the first connecting plate 15 and the second connecting plate 16 through the filter screen 153. The arrangement of the filter screen 153 plays a role in filtering the first connecting plate 15 and the second connecting plate 16, and reduces the possibility that impurities in the sewage spread upwards and deposit on the first connecting plate 15 and the second connecting plate 16. Further, the operator can periodically remove the housing 191 from the outside of the reaction cell 1, and then remove the housing from the reaction cell 1 together with the connection frame 154 and the filter 153, so that the operator can clean the filter 153.
Referring to fig. 5 and 6, a gas pipe 18 is bonded to the upper surface of the connection part between the first connecting plate 15 and the inner wall of the reaction tank 1 and the connection part between the two second connecting plates 16 and the inner wall of the reaction tank 1, and the gas pipe 18 is connected with a gas pump through a connecting pipe. The gas pipe 18 is arranged along the width direction of the first connecting plate 15 and the second connecting plate 16, a plurality of gas outlets 181 are formed in the gas pipe 18 along the length direction, and the gas outlets 181 are arranged towards the inclined surfaces of the first connecting plate 15 and the second connecting plate 16. A cover net 182 is arranged on the outer side of the air delivery pipes 18, and the cover net 182 covers the periphery of the air outlets 181. The cover mesh 182 is provided to reduce the possibility of blockage of the air outlet 181.
Referring to fig. 3 and 5, when dust deposited on the surfaces of the first connecting plate 15 and the second connecting plate 16 needs to be cleaned, the air pipe 18 transmits air towards the first connecting plate 15 and the second connecting plate 16, the air is discharged through the air outlet 181 and blows air towards the inclined surfaces of the first connecting plate 15 and the second connecting plate 16, so that the dust on the surfaces of the first connecting plate 15 and the second connecting plate 16 is separated from the first connecting plate 15 and the second connecting plate 16, the cleaning effect on the first connecting plate 15 and the second connecting plate 16 is achieved, the possibility that the dust on the upper surfaces of the first connecting plate 15 and the second connecting plate 16 is shielded and covered by the anaerobic bacteria layer 152 to influence the treatment effect of the sewage is further reduced.
The method of the sewage treatment system for environmental remediation in the embodiment of the application comprises the following steps: comprises the following steps of (a) carrying out,
firstly, sewage enters a primary sedimentation tank 2, a flocculating agent is added into the primary sedimentation tank 2 through a feed inlet 24, then a motor 23 is started, the motor 23 drives a stirring shaft 22 to stir the sewage and the flocculating agent, so that impurities in the sewage are subjected to flocculation reaction, and the impurities in the sewage are precipitated in the primary sedimentation tank 2;
secondly, after the impurities in the sewage are flocculated and precipitated, the sewage subjected to primary precipitation is pumped into the reaction tank 1 through the first water pump 21, and the sewage reacts with methane bacteria on the first connecting plate 15 and the second connecting plate 16 in the reaction tank 1;
thirdly, after the sewage is treated by the reaction tank 1, the sewage is pumped into the secondary sedimentation tank 3 by the second water pump 31 for sedimentation, and the sewage is buffered by the buffer plate 32 when entering the secondary sedimentation tank 3;
the fourth step: after the treatment of a part of sewage is finished, the gas in the reaction tank 1 is discharged and collected through the gas outlet 14, then the gas is blown towards the inside of the reaction tank 1 through the gas conveying pipe 18, the gas is blown out from the gas outlet 181, and impurities deposited on the upper surfaces of the first connecting plate 15 and the second connecting plate 16 are removed, so that the sewage can fully react with methane bacteria on the first connecting plate 15 and the second connecting plate 16 when the sewage treatment is performed next time.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The utility model provides a sewage treatment system for environmental remediation which characterized in that: comprises a reaction tank (1), a water inlet (11) is arranged on the side wall of the reaction tank (1) close to the bottom, a water outlet (12) is arranged at the top of the reaction tank (1), an air pumping port (13) and an air exhaust port (14) are arranged at the top of the reaction tank (1), one end of the air pumping port (13) far away from the reaction tank (1) is connected with a vacuum pump (131), a first connecting plate (15) and a plurality of second connecting plates (16) are arranged in the reaction tank (1), the first connecting plate (15) and the plurality of second connecting plates (16) are obliquely arranged in the reaction tank (1) from top to bottom, are fixedly connected with the inner wall of the reaction tank (1) on one side, a water channel (151) is reserved between the other side and the reaction tank (1), and are staggered in the horizontal direction, the surface of first connecting plate (15) and second connecting plate (16) all is equipped with anaerobe layer (152), anaerobe layer (152) are methane-bacteria, the bottom of reaction tank (1) is equipped with mud discharge port (17).
2. The sewage treatment system for environmental remediation according to claim 1, wherein: the upper surface of the junction of reaction tank (1) internal first connecting plate (15) and second connecting plate (16) and reaction tank (1) inner wall all is equipped with gas-supply pipe (18), a plurality of gas outlets (181) have been seted up on gas-supply pipe (18), and are a plurality of gas outlet (181) set up towards the inclined surface of first connecting plate (15) and second connecting plate (16).
3. The sewage treatment system for environmental remediation according to claim 2, wherein: a cover net (182) is arranged on the outer side of the gas conveying pipe (18), and the cover net (182) covers the periphery of the gas outlets (181).
4. The sewage treatment system for environmental remediation according to claim 1, wherein: a filter screen (153) is arranged at a water flowing channel (151) between the first connecting plate (15) and the reaction tank (1) in the reaction tank (1), and the water flowing channel (151) is shielded by the filter screen (153).
5. The sewage treatment system for environmental remediation according to claim 4, wherein: the outside fixedly connected with connecting frame (154) of filter screen (153), mounting groove (19) have been seted up on the lateral wall of reaction tank (1), connecting frame (154) joint is in mounting groove (19) and stretch into to reaction tank (1) in, the outside of reaction tank (1) is equipped with the sealing member in the notch department of mounting groove (19).
6. The sewage treatment system for environmental remediation according to claim 5, wherein: the sealing element comprises a cover shell (191), the cover shell (191) covers a notch of the mounting groove (19) and covers, the cover shell (191) is connected to the outer side of the reaction tank (1) through a bolt (192), and the connecting frame (154) and the cover shell (191) are connected through a connecting rod (193).
7. The sewage treatment system for environmental remediation according to claim 1, wherein: the device is characterized by further comprising a first-stage sedimentation tank (2) and a second-stage sedimentation tank (3), wherein a first water pump (21) is arranged between the first-stage sedimentation tank (2) and the reaction tank (1), the input end of the first water pump (21) is connected with the first-stage sedimentation tank (2), the output end of the first water pump (21) is connected with a water inlet (11) of the reaction tank (1), a feed opening (24) is formed in the first-stage sedimentation tank (2), a stirring shaft (22) is arranged in the first-stage sedimentation tank (2), a motor (23) for driving the stirring shaft (22) to rotate is arranged on the outer side of the top of the first-stage sedimentation tank (2), a second water pump (31) is arranged between the second-stage sedimentation tank (3) and the reaction tank (1), the input end of the second water pump (31) is connected with the second-stage sedimentation tank (3), the output end of the second water pump (31) is connected with a, and a buffer component is arranged below the water inlet end in the secondary sedimentation tank (3).
8. A method of treating sewage for environmental remediation according to any one of claims 1 to 7 including the steps of:
firstly, sewage enters a primary sedimentation tank (2), a flocculating agent is added into the primary sedimentation tank (2) through a feed inlet (24), then a motor (23) is started, and the motor (23) drives a stirring shaft (22) to stir the sewage and the flocculating agent;
secondly, after impurities in the sewage are flocculated and precipitated, the sewage subjected to primary precipitation is pumped into the reaction tank (1) through the first water pump (21), and the sewage reacts with methane bacteria on the first connecting plate (15) and the second connecting plate (16) in the reaction tank (1);
thirdly, after the sewage is treated by the reaction tank (1), pumping the sewage into a secondary sedimentation tank (3) through a second water pump (31) for sedimentation;
the fourth step: after the treatment of a part of sewage is finished, gas in the reaction tank (1) is discharged and collected through the gas outlet (14), then the gas is blown towards the inside of the reaction tank (1) through the gas conveying pipe (18), the gas is blown out from the gas outlet (181), and impurities deposited on the upper surfaces of the first connecting plate (15) and the second connecting plate (16) are removed so as to be used for next sewage treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011541751.6A CN112624511A (en) | 2020-12-23 | 2020-12-23 | Sewage treatment system and method for environmental remediation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011541751.6A CN112624511A (en) | 2020-12-23 | 2020-12-23 | Sewage treatment system and method for environmental remediation |
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| CN112624511A true CN112624511A (en) | 2021-04-09 |
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| CN202011541751.6A Pending CN112624511A (en) | 2020-12-23 | 2020-12-23 | Sewage treatment system and method for environmental remediation |
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| CN110180672A (en) * | 2019-05-22 | 2019-08-30 | 卞清 | A kind of seed processing device |
| CN211770487U (en) * | 2019-10-09 | 2020-10-27 | 嘉兴沃特泰科环保科技股份有限公司 | Heavy metal is retort for chelating agent |
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2020
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Application publication date: 20210409 |