CN112159028A - Sewage purification tank and sewage purification method - Google Patents
Sewage purification tank and sewage purification method Download PDFInfo
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- CN112159028A CN112159028A CN202010927293.3A CN202010927293A CN112159028A CN 112159028 A CN112159028 A CN 112159028A CN 202010927293 A CN202010927293 A CN 202010927293A CN 112159028 A CN112159028 A CN 112159028A
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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Abstract
The invention discloses a sewage purification tank and a sewage purification method, and relates to the technical field of sewage treatment and purification; in order to solve the problem of slow sewage treatment speed; the method specifically comprises the following steps: conveying the sewage into a grit chamber and standing for half an hour; conveying one third of sewage in the grit chamber into the SBR reaction tank to react for two hours, repeating for three times, pumping the sewage after reaction into an idle sedimentation tank to stand for two hours, discharging the purified water after standing, standing the idle sedimentation tank for four hours, discharging the bottom of sludge in the idle sedimentation tank, and recovering the sludge at the top into the SBR reaction tank. According to the invention, by arranging the SBR reaction tank and the idle sedimentation tank, when one idle sedimentation tank needs to be in a standby state, the SBR reaction tank does not stop, sewage is purified continuously, and purified water is conveyed to the other idle sedimentation tank, so that the purpose that the sewage is purified by the SBR reaction tank does not stop is realized, and the sewage treatment speed is accelerated.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a sewage purification tank and a sewage purification method.
Background
The sewage treatment is an effective method for various economic, reasonable, scientific and industrial waste water of urban domestic sewage and industrial waste water, at present, in the prior art, the sewage treatment and purification need to be divided into three-stage treatment, first-stage treatment which mainly removes solid pollutants in a suspended state in the sewage, second-stage treatment which mainly removes organic pollutants in a colloid and dissolved state in the sewage, third-stage treatment which further treats refractory organic matters, nitrogen, phosphorus and other soluble inorganic matters which can cause water eutrophication, and the like, the third-stage treatment has large occupied area and noise in the sewage treatment process of the prior SBR, that is, the sequencing batch reactor activated sludge process can avoid the multi-stage sewage treatment and reduce the noise, but because the SBR sewage treatment process is an intermittent sewage treatment process, the sewage treatment speed is low, and the sewage of more than 10 tons can not be treated, so that a sewage purification tank and a sewage purification method are needed.
Through retrieval, the patent with Chinese patent application number of CN202010316712.X discloses a sewage purification tank, wherein the bottom of the sewage purification tank is horizontal, the tank wall is arranged obliquely outwards, and a biological membrane is laid along the tank wall at the lower side of a protection slope of the tank wall; at least four in-situ purifiers are arranged at the bottom of the sewage purification tank at intervals along a clockwise ring; the invention also provides a sewage purification method implemented by adopting the sewage purification tank. The sewage purification tank and the sewage purification method in the patent have the following defects: the method has the advantages of low sewage treatment speed, high noise and high sewage treatment and purification cost.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a sewage purification tank and a sewage purification method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sewage purification tank comprises a sewage inlet; the outer wall of one side of the sewage inlet is connected with a grit chamber through a bolt; the outer wall of one side of the grit chamber is connected with a liquid inlet pipeline through a bolt; the outer wall of one side of the liquid inlet pipeline is connected with a liquid inlet electric valve through a bolt; the outer wall of one side of the liquid inlet electric valve is connected with an SBR reaction tank through a bolt; four liquid pumping pipes are processed on the outer wall of the periphery of the SBR reaction tank; the outer wall of one side of each of the four liquid pumping pipes is connected with a liquid pumping electric valve through a bolt; the outer wall of one side of the liquid-pumping electric valve is connected with an idle sedimentation tank through a bolt; a decanter is arranged on the inner wall of one side of the idle sedimentation tank; the outer wall of one side of the idle sedimentation tank is connected with a liquid outlet pipeline through a bolt; the outer wall of one side of the liquid outlet pipeline is connected with a first liquid pump through a bolt; the outer wall of the bottom end of the liquid outlet pipeline is connected with a purified water storage ring through a bolt; a control unit is arranged in the SBR reaction tank; the liquid inlet electric valve, the first liquid drawing pump and the liquid drawing electric valve are all electrically connected with the internal control unit.
Preferably: a sewage purification tank comprises a grizzly screen fixedly connected with the inner wall of one side of a grit chamber through screws; a sand settling hopper is processed on the inner wall of one side of the sand settling tank; the inner wall of one side of the sand settling hopper is fixedly connected with a sand discharge port through a screw.
Preferably: a medicine box is processed on the outer wall of the top end of the SBR reaction tank; aeration pipes which are uniformly distributed are arranged on the inner wall of the bottom end of the SBR reaction tank; the outer wall of one side of the aeration pipe is connected with a blower through a bolt; the inner wall of one side of the SBR reaction tank is connected with uniformly distributed stirrers through a rotating shaft; the blower is electrically connected with the internal control unit.
Preferably: the inner wall of one side of the SBR reaction tank is fixedly connected with a liquid level sensor through a screw; the liquid level sensor is electrically connected with the internal control unit.
Preferably: the stirrer comprises an impeller and a wafer; the outer wall of one side of the impeller is rotationally connected with the outer wall of one side of the rotating shaft; the inner wall of one side of the wafer is fixedly connected with the peripheral outer wall of the impeller; the impeller is electrically connected with the internal control unit.
Preferably: the decanter comprises an air bag, a connecting rod, a fixed seat, a water pumping pipe, a decanting head and a baffle; the outer wall of one side of the fixed seat is fixed on the inner wall of one side of the idle sedimentation tank through a screw; the inner wall of one side of the fixed seat is connected with the outer wall of one side of the water pumping pipe through a rotating shaft; the outer wall of one side of the connecting rod is rotatably connected with the inner wall of one side of the idle sedimentation tank; the outer wall of the other side of the connecting rod is connected with the outer wall of one side of the water pumping pipe in a sliding manner; the outer wall of the other side of the water pumping pipe is arranged on the outer wall of one side of the decanting water head; the peripheral outer wall of the air bag is arranged on the inner wall of one side of the decanting head; a water inlet is processed on the inner wall of the bottom end of the decanting head; the baffle is arranged above the water inlet; the outer wall of one side of the baffle is fixedly connected with the inner wall of one side of the decanting water head.
Preferably: the outer wall of the bottom end of the idle sedimentation tank is connected with a sewage discharge pipe through a bolt; the outer wall of one side of the sewage discharge pipe is connected with a sludge recovery box through a bolt; a sludge conveying pipe is arranged on the outer wall of one side of the sludge recovery box; the outer wall of one side of the sludge conveying pipe is connected with a recovery electric valve through a bolt; the outer wall of one side of the recovery electric valve is connected with a sludge storage tank through a bolt; the recovery electric valve is electrically connected with the internal control unit.
Preferably: the outer wall of the other side of the sludge conveying pipe is connected to the outer wall of the bottom end of the SBR reaction tank through a bolt; the outer wall of the bottom end of the SBR reaction tank is connected with a second liquid pump through a bolt; the second liquid pump is electrically connected with the internal control unit.
Preferably: the outer wall of the bottom end of the idle sedimentation tank is fixedly connected with a fixing ring through a screw; the outer wall of the top end of the fixing ring is fixedly connected with fixing plates which are uniformly distributed through screws; the outer wall of one side of the fixed plate is tightly attached to the outer wall of the periphery of the idle sedimentation tank; the outer wall of the top end of the idle sedimentation tank is connected with a tank cover through a hinge.
A sewage purification method of a sewage purification tank comprises the following steps:
s1: conveying the sewage into a grit chamber and standing for half an hour;
s2: conveying the sewage in the grit chamber to the SBR reaction tank for one third to react for two hours;
s3: repeat S2 three times;
s4: pumping the sewage after the reaction into an idle sedimentation tank and standing for two hours;
s5: repeating the steps S2-S4 until the device is closed, discharging the settled purified water, and standing the settling pond for four hours;
s6: discharging the sludge at the bottom of the idle sedimentation tank, and recovering the sludge at the top of the idle sedimentation tank to the SBR reaction tank.
The invention has the beneficial effects that:
1. through setting up a SBR reaction tank and four idle sedimentation tanks and four extraction electric valves, when an idle sedimentation tank needs the standby, the SBR reaction tank does not stop, continues to purify sewage, carries the water after will purifying to another idle sedimentation tank in, has realized the purpose that SBR reaction tank purified sewage does not stop for sewage treatment speed has improved sewage purification efficiency.
2. Through with sewage from the grit chamber in having the spaced input to SBR reaction tank, carry the third of SBR reaction tank capacity and react two hours each time, the sewage of input and the carbon source in former aquatic of last time are the reaction of giving birth to again, and the water after will reacting passes through drawing liquid motorised valve after the cubic and extracts water to two idle hours in the idle sedimentation tank, can improve the carbon source utilization ratio of plateau aquatic like this, the effect of purified water is better.
3. Through set up a solid fixed ring and four fixed plates around idle sedimentation tank, the effect of fixed idle sedimentation tank has been reached, through solid fixed ring and fixed plate can be fine fixed idle sedimentation tank to reduce the vibration of idle sedimentation tank when first drawing liquid pump and other devices operate, and then reduce the mud that has sunk the end in the idle sedimentation tank once more and purify the water and mix, thereby guarantee the purity of purifying waste water.
4. The water decanter is internally provided with the water decanting head, the air bag, the baffle, the connecting rod, the water pumping pipe, the fixed seat and the water inlet, the water decanting head floats on the water surface all the time through the air bag, the baffle prevents impurities floating on the water surface from entering the water inlet, when purified water is pumped, the water is pumped out through the water pumping pipe and the water inlet, the water decanting head moves along with the water surface under the action of the air bag, the connecting rod slides along the water decanting head at the moment, when the water reaches the bottom of the water, the connecting rod abuts against the inner wall of one side of the idle sedimentation tank at the moment, the water decanter cannot move downwards, and sludge at the bottom of the purified water is prevented.
5. Through set up grid, sand setting fill and arrange the husky mouth in the grit chamber, block the large-scale rubbish in the sewage through the grid, deposit inorganic large particles such as the gravel in the sewage in sand setting fill under the effect of gravity, prevent devices such as gravel wearing and tearing valve in the sewage, discharge the gravel that will deposit through arranging the husky mouth, through grid, sand setting fill realized the purpose in extension sewage purification device's life-span, improve the device practicality.
Drawings
FIG. 1 is a schematic flow chart of a sewage purification method of a sewage purification tank according to the present invention;
FIG. 2 is a schematic view of a subjective structure of a sewage purification tank according to the present invention;
FIG. 3 is a schematic side view of a sewage purification tank according to the present invention;
FIG. 4 is a schematic view of the subjective structure inside the wastewater purification tank according to the present invention;
FIG. 5 is a schematic diagram of the internal structure of an SBR reaction tank of the sewage purification tank according to the present invention;
FIG. 6 is a schematic diagram of an internal structure of an idle sedimentation tank of the sewage purification tank according to the present invention;
FIG. 7 is a schematic view of the subjective mechanism inside the grit chamber of the sewage purification tank according to the present invention;
FIG. 8 is a schematic circuit diagram of a sewage purification tank and a sewage purification method according to the present invention.
In the figure: 1 sewage inlet, 2 grit chamber, 3 liquid inlet pipe, 4 liquid inlet electric valves, 5 medicine boxes, 6SBR reaction tank, 7 idle sedimentation tank, 8 liquid outlet pipe, 9 fixed ring, 10 fixed plate, 11 first liquid pump, 12 sand discharge port, 13 case lid, 14 liquid pumping electric valves, 15 liquid pumping pipe, 16 air blower, 17 sludge recycling box, 18 purified water storage ring, 19 recycling electric valves, 20 sludge storage tank, 21 sludge conveying pipe, 22 blow off pipe, 23 second liquid pumping pump, 24 wafer, 25 impeller, 26 liquid level sensor, 27 aeration pipe, 28 air bag, 29 connecting rod, 30 fixed seat, 31 water pumping pipe, 32 decanting head, 33 water inlet, 34 baffle, 35 grid, 36 sand settling hopper.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A sewage purifying tank, in order to accelerate the speed of purifying water, as shown in figures 2-8, comprises a sewage inlet 1; the outer wall of one side of the sewage inlet 1 is connected with a grit chamber 2 through bolts; the outer wall of one side of the grit chamber 2 is connected with a liquid inlet pipeline 3 through a bolt; the outer wall of one side of the liquid inlet pipeline 3 is connected with a liquid inlet electric valve 4 through a bolt; the outer wall of one side of the liquid inlet electric valve 4 is connected with an SBR reaction tank 6 through a bolt; four liquid pumping pipes 15 are processed on the peripheral outer wall of the SBR reaction tank 6; the outer wall of one side of each of the four liquid extracting pipes 15 is connected with an electric liquid extracting valve 14 through bolts; the outer wall of one side of the liquid-pumping electric valve 14 is connected with an idle sedimentation tank 7 through a bolt; a decanter is arranged on the inner wall of one side of the idle sedimentation tank 7; the outer wall of one side of the idle sedimentation tank 7 is connected with a liquid outlet pipeline 8 through a bolt; the outer wall of one side of the liquid outlet pipeline 8 is connected with a first liquid pump 11 through a bolt; the outer wall of the bottom end of the liquid outlet pipeline 8 is connected with a purified water storage ring 18 through a bolt; a control unit is arranged in the SBR reaction tank 6; the liquid inlet electric valve 4, the first liquid drawing pump 11 and the liquid drawing electric valve 14 are electrically connected with the internal control unit; the sewage is conveyed to a grit chamber 2 through a sewage inlet 1, after the sand chamber is kept stand for half an hour, the sewage in the grit chamber 2 is conveyed to an SBR reaction tank 6 through a liquid inlet electric valve 4, one third of the capacity of the SBR reaction tank 6 is conveyed each time and the sewage reacts for two hours, after the three times, the reacted sewage is pumped into an idle sedimentation tank 7 through a liquid pumping electric valve 14 and idled for two hours, so that the utilization rate of a carbon source in the plateau water can be improved, the effect of purifying the water is better, the idled purified water enters through a liquid outlet pipeline 8 through a first liquid pumping pump 11 and is conveyed to a purified water storage ring 18 through a liquid outlet pipeline 8 to be stored, and the purified water passes through four idle sedimentation tanks 7; the sludge in the idle sedimentation tank 7 needs time to react, namely when the idle sedimentation tank 7 is standby, the reaction in the SBR reaction tank 6 is continued, new reaction water is conveyed to other idle sedimentation tanks 7, the continuous purification of sewage treatment is ensured, and the sewage treatment and purification speed is accelerated.
In order to prevent the sewage from containing large garbage, gravel from wearing valves and other devices; as shown in fig. 2 and 7, a grid 35 is fixedly connected to the inner wall of one side of the grit chamber 2 through screws; a sand settling hopper 36 is processed on the inner wall of one side of the sand settling tank 2; the inner wall of one side of the sand settling hopper 36 is fixedly connected with a sand discharge port 12 through a screw; block the large-scale rubbish in the sewage through grid 35, deposit inorganic large granule such as gravel in the sewage in heavy sand fill 36 under the effect of gravity, prevent devices such as gravel wearing and tearing valve in the sewage, discharge the gravel of deposiing through row sand mouth 12, can prolong sewage purification device's life-span through grid 35, heavy sand fill 36.
In order to ensure the effectiveness of the SBR reaction tank 6; as shown in fig. 2, 3, 5 and 8, a drug box 5 is processed on the outer wall of the top end of the SBR reaction tank 6; the inner wall of the bottom end of the SBR reaction tank 6 is provided with aeration pipes 27 which are uniformly distributed; the outer wall of one side of the aeration pipe 27 is connected with a blower 16 through a bolt; the inner wall of one side of the SBR reaction tank 6 is connected with evenly distributed stirrers through a rotating shaft; the inner wall of one side of the SBR reaction tank 6 is fixedly connected with a liquid level sensor 26 through a screw; the blower 16 and the liquid level sensor 26 are both electrically connected with the internal control unit; when the sewage is continuously treated, the air blower 16 and the stirrer are always operated, the equipment utilization rate is improved, the internal reaction of the SBR reaction tank 6 is enhanced through the aeration pipe 27 and the stirrer, and the sewage treatment speed is accelerated.
In order to ensure the effectiveness of the stirrer; as shown in fig. 5 and 8, the stirrer comprises an impeller 25 and a wafer 24; the outer wall of one side of the impeller 25 is rotatably connected with the outer wall of one side of the rotating shaft; the inner wall of one side of the wafer 24 is fixedly connected with the peripheral outer wall of the impeller 25; the impeller 25 is electrically connected with the internal control unit; the impeller 25 can be used for better stirring the sewage and accelerating the sewage treatment speed, and the wafer 24 plays a role in protecting the impeller 25 and prolonging the service life of the impeller 25.
In order to extract and store the purified water after standing; as shown in fig. 6, the decanter comprises an air bag 28, a connecting rod 29, a fixed seat 30, a water pumping pipe 31, a decanting head 32 and a baffle 34; the outer wall of one side of the fixed seat 30 is fixed on the inner wall of one side of the idle sedimentation tank 7 through a screw; the inner wall of one side of the fixed seat 30 is connected with the outer wall of one side of the water pumping pipe 31 through a rotating shaft; the outer wall of one side of the connecting rod 29 is rotatably connected with the inner wall of one side of the idle sedimentation tank 7; the outer wall of the other side of the connecting rod 29 is connected with the outer wall of one side of the water pumping pipe 31 in a sliding manner; the outer wall of the other side of the water pumping pipe 31 is arranged on the outer wall of one side of the decanting water head 32; the peripheral outer wall of the air bag 28 is arranged on the inner wall of one side of the decanting water head 32; a water inlet 33 is processed on the inner wall of the bottom end of the decanting water head 32; the baffle 34 is arranged above the water inlet 33; the outer wall of one side of the baffle 34 is fixedly connected with the inner wall of one side of the decanting water head 32; the water decanting head 32 always floats on the water surface through the air bag 28, the baffle 34 prevents impurities floating on the water surface from entering the water inlet 33, when purified water is extracted, water is pumped out through the water pumping pipe 31 and the water inlet 33, the water decanting head 32 moves along the water surface under the action of the air bag 28, the connecting rod 29 slides along the water decanting head 32 at the moment, when the water reaches the bottom of the water, the connecting rod 29 abuts against the inner wall of one side of the idle sedimentation tank 7 at the moment, the water decanting device cannot move downwards, and sludge at the bottom of the purified water is prevented from being sucked out.
In order to recycle the sludge in the idle sedimentation tank 7; as shown in fig. 4 and 8, the outer wall of the bottom end of the idle sedimentation tank 7 is connected with a sewage discharge pipe 22 through a bolt; the outer wall of one side of the sewage discharge pipe 22 is connected with a sludge recovery tank 17 through a bolt; a sludge conveying pipe 21 is arranged on the outer wall of one side of the sludge recovery box 17; the outer wall of one side of the sludge conveying pipe 21 is connected with a recovery electric valve 19 through a bolt; the outer wall of one side of the recovery electric valve 19 is connected with a sludge storage tank 20 through a bolt; the outer wall of the other side of the sludge conveying pipe 21 is connected to the outer wall of the bottom end of the SBR reaction tank 6 through a bolt; the outer wall of the bottom end of the SBR reaction tank 6 is connected with a second liquid pump 23 through a bolt; the second liquid pump 23 and the recovery electric valve 19 are electrically connected with the internal control unit; during mud in the idle sedimentation tank 7 after the standby passed through blow off pipe 22 and gets into sludge recycling tank 17, retrieve electric valve 19 this moment and open for bottom mud retrieves in getting into sludge storage tank 20, then retrieve electric valve 19 and close, and second drawing pump 23 operation is utilized again in withdrawing SBR reaction tank 6 with mud, to the element reuse in the mud, reduce cost.
In order to ensure the stability of the idle sedimentation tank 7; as shown in fig. 1, the outer wall of the bottom end of the idle sedimentation tank 7 is fixedly connected with a fixing ring 9 through a screw; the outer wall of the top end of the fixing ring 9 is fixedly connected with fixing plates 10 which are uniformly distributed through screws; the outer wall of one side of the fixed plate 10 is tightly attached to the outer wall of the periphery of the idle sedimentation tank 7; the outer wall of the top end of the idle sedimentation tank 7 is connected with a tank cover 13 through a hinge; the idle sedimentation tank 7 can be well fixed by the fixing ring 9 and the fixing plate 10, so that the vibration of the idle sedimentation tank 7 is reduced when the first liquid pump 11 operates, and the purity of purified water is ensured.
A sewage purification method of a sewage purification tank, as shown in fig. 1, comprising the steps of:
s1: conveying the sewage into a grit chamber and standing for half an hour;
s2: conveying the sewage in the grit chamber to the SBR reaction tank for one third to react for two hours;
s3: repeat S2 three times;
s4: pumping the sewage after the reaction into an idle sedimentation tank and standing for two hours;
s5: repeating the steps S2-S4 until the device is closed, discharging the settled purified water, and standing the settling pond for four hours;
s6: discharging the sludge at the bottom of the idle sedimentation tank, and recovering the sludge at the top of the idle sedimentation tank to the SBR reaction tank.
When the device is used, various power supplies of electric equipment are turned on, sewage is conveyed to the grit chamber 2 through the sewage inlet 1, after the device is kept stand for half an hour, the sewage in the grit chamber 2 is conveyed to the SBR reaction chamber 6 through the liquid inlet electric valve 4, one third of the capacity of the SBR reaction chamber 6 is conveyed and reacts for two hours each time, and after the device is kept stand for three times, the reacted water is pumped into the idle sedimentation chamber 7 through the liquid pumping electric valve 14 and is idle for two hours, so that the utilization rate of a carbon source in the plateau water can be improved, the effect of purifying the water is better, the idle purified water enters the liquid outlet pipeline 8 through the first liquid pumping pump 11 and is conveyed to the purified water storage ring 18 for storage and passes through the four idle sedimentation chambers 7; when the sludge in the idle sedimentation tank 7 needs time to react, namely, when the idle sedimentation tank 7 is standby, the reaction in the SBR reaction tank 6 is continued, new reaction water is conveyed to other idle sedimentation tanks 7, the continuous operation of sewage treatment and purification is ensured, the treatment and purification speed of sewage is accelerated, large garbage in the sewage is blocked by the grating 35, inorganic large particles such as gravel in the sewage are precipitated in the sand settling hopper 36 under the action of gravity, the gravel in the sewage is prevented from wearing devices such as a valve and the like, the precipitated gravel is discharged through the sand discharge port 12, the service life of the sewage purification device can be prolonged through the grating 35 and the sand settling hopper 36, when the sewage is continuously treated, the air blower 16 and the stirrer are operated all the time, the utilization rate of equipment is improved, the internal reaction of the SBR reaction tank 6 is enhanced through the aeration pipe 27 and the stirrer, the sewage treatment speed is accelerated, and the sewage can be better stirred through the impeller 25, the sewage treatment speed is accelerated, the wafer 24 plays a role in protecting the impeller 25, the service life of the impeller 25 is prolonged, the decanting water head 32 floats on the water surface all the time through the air bag 28, the baffle 34 prevents impurities floating on the water surface from entering the water inlet 33, when purified water is extracted, water is pumped out through the water pumping pipe 31 and the water inlet 33, the decanting water head 32 moves along with the water surface under the action of the air bag 28, the connecting rod 29 slides along the decanting water head 32 at the moment, when the bottom of the water is reached, the connecting rod 29 abuts against the inner wall of one side of the idle sedimentation tank 7 at the moment, the decanter cannot move downwards to avoid sucking out sludge at the bottom of the purified water, the sludge in the idle sedimentation tank 7 after standby enters the sludge recovery tank 17 through the sewage discharge pipe 22, at the moment, the recovery electric valve 19 is opened to enable the sludge at the bottom to enter the sludge storage tank 20 for recovery, and then the, the operation of second drawing liquid pump 23, take out mud to recycle in SBR reaction tank 6, to the element reuse in the mud, reduce cost through solid fixed ring 9 and fixed plate 10 can be fine fixed idle sedimentation tank 7 to reduce the vibration of idle sedimentation tank 7 when first drawing liquid pump 11 operates, thereby guarantee the purity of purifying waste water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A sewage purification tank is characterized by comprising a sewage inlet (1); the outer wall of one side of the sewage inlet (1) is connected with a grit chamber (2) through a bolt; the outer wall of one side of the grit chamber (2) is connected with a liquid inlet pipeline (3) through a bolt; the outer wall of one side of the liquid inlet pipeline (3) is connected with a liquid inlet electric valve (4) through a bolt; the outer wall of one side of the liquid inlet electric valve (4) is connected with an SBR reaction tank (6) through bolts; four liquid pumping pipes (15) are processed on the peripheral outer wall of the SBR reaction tank (6); the outer wall of one side of each of the four liquid extracting pipes (15) is connected with an electric liquid extracting valve (14) through a bolt; the outer wall of one side of the liquid-pumping electric valve (14) is connected with an idle sedimentation tank (7) through a bolt; a decanter is arranged on the inner wall of one side of the idle sedimentation tank (7); the outer wall of one side of the idle sedimentation tank (7) is connected with a liquid outlet pipeline (8) through a bolt; the outer wall of one side of the liquid outlet pipeline (8) is connected with a first liquid pump (11) through a bolt; the outer wall of the bottom end of the liquid outlet pipeline (8) is connected with a purified water storage ring (18) through a bolt; a control unit is arranged in the SBR reaction tank (6); the liquid inlet electric valve (4), the first liquid drawing pump (11) and the liquid drawing electric valve (14) are electrically connected with the internal control unit.
2. The sewage purification tank according to claim 1, wherein a grating (35) is fixedly connected to the inner wall of one side of the grit chamber (2) through screws; a sand settling hopper (36) is processed on the inner wall of one side of the sand settling tank (2); the inner wall of one side of the sand settling hopper (36) is fixedly connected with a sand discharge port (12) through a screw.
3. The sewage purification pool according to claim 2, wherein the top outer wall of the SBR reaction pool (6) is provided with a drug box (5); aeration pipes (27) which are uniformly distributed are arranged on the inner wall of the bottom end of the SBR reaction tank (6); the outer wall of one side of the aeration pipe (27) is connected with a blower (16) through a bolt; the inner wall of one side of the SBR reaction tank (6) is connected with evenly distributed stirrers through a rotating shaft; the blower (16) is electrically connected with the internal control unit.
4. The wastewater purification tank according to claim 3, wherein a liquid level sensor (26) is fixedly connected to one side inner wall of the SBR reaction tank (6) through a screw; the liquid level sensor (26) is electrically connected with the internal control unit.
5. Sewage purification tank according to claim 4, characterized in that said agitator comprises an impeller (25), a disc (24); the outer wall of one side of the impeller (25) is rotationally connected with the outer wall of one side of the rotating shaft; the inner wall of one side of the wafer (24) is fixedly connected with the peripheral outer wall of the impeller (25); the impeller (25) is electrically connected with the internal control unit.
6. The sewage purification tank according to claim 5, wherein the decanter comprises an air bag (28), a connecting rod (29), a fixed seat (30), a water pumping pipe (31), a decanting head (32) and a baffle (34); the outer wall of one side of the fixed seat (30) is fixed on the inner wall of one side of the idle sedimentation tank (7) through screws; the inner wall of one side of the fixed seat (30) is connected with the outer wall of one side of the water pumping pipe (31) through a rotating shaft; the outer wall of one side of the connecting rod (29) is rotatably connected with the inner wall of one side of the idle sedimentation tank (7); the outer wall of the other side of the connecting rod (29) is connected with the outer wall of one side of the water pumping pipe (31) in a sliding way; the outer wall of the other side of the water pumping pipe (31) is arranged on the outer wall of one side of the decanting water head (32); the peripheral outer wall of the air bag (28) is arranged on the inner wall of one side of the decanting water head (32); a water inlet (33) is processed on the inner wall of the bottom end of the decanting water head (32); the baffle (34) is arranged above the water inlet (33); the outer wall of one side of the baffle (34) is fixedly connected with the inner wall of one side of the decanting water head (32).
7. The sewage purification tank according to claim 6, wherein a blow-off pipe (22) is connected to the outer wall of the bottom end of the idle sedimentation tank (7) through a bolt; the outer wall of one side of the sewage discharge pipe (22) is connected with a sludge recovery box (17) through a bolt; a sludge conveying pipe (21) is arranged on the outer wall of one side of the sludge recovery box (17); the outer wall of one side of the sludge conveying pipe (21) is connected with a recovery electric valve (19) through a bolt; the outer wall of one side of the recovery electric valve (19) is connected with a sludge storage tank (20) through bolts; the recovery electric valve (19) is electrically connected with the internal control unit.
8. The sewage purification tank according to claim 7, wherein the other side outer wall of the sludge conveying pipe (21) is connected to the bottom end outer wall of the SBR reaction tank (6) through bolts; the outer wall of the bottom end of the SBR reaction tank (6) is connected with a second liquid pump (23) through bolts; the second liquid pump (23) is electrically connected with the internal control unit.
9. The sewage purification tank according to claim 8, wherein the outer wall of the bottom end of the idle sedimentation tank (7) is fixedly connected with a fixing ring (9) through a screw; the outer wall of the top end of the fixing ring (9) is fixedly connected with fixing plates (10) which are uniformly distributed through screws; the outer wall of one side of the fixed plate (10) is tightly attached to the outer wall of the periphery of the idle sedimentation tank (7); the outer wall of the top end of the idle sedimentation tank (7) is connected with a tank cover (13) through a hinge.
10. A method for purifying sewage in a sewage purification pond according to claims 1 to 9, comprising the steps of:
s1: conveying the sewage into a grit chamber (2) and standing for half an hour;
s2: conveying the sewage in the grit chamber (2) into the SBR reaction tank (6) for one third to react for two hours;
s3: repeat S2 three times;
s4: pumping the sewage after reaction into an idle sedimentation tank (7) and standing for two hours;
s5: repeating the steps S2-S4 until the device is closed, discharging the purified water after standing, and standing the sedimentation tank (7) for four hours;
s6: discharging the sludge at the bottom of the idle sedimentation tank (7), and recovering the sludge at the top to the SBR reaction tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010927293.3A CN112159028A (en) | 2020-09-07 | 2020-09-07 | Sewage purification tank and sewage purification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927293.3A CN112159028A (en) | 2020-09-07 | 2020-09-07 | Sewage purification tank and sewage purification method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112624529A (en) * | 2021-01-18 | 2021-04-09 | 新疆河润水业有限责任公司 | Microorganism sewage treatment system and sewage treatment method |
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