CN218146054U - Sewage treatment purifies groove - Google Patents
Sewage treatment purifies groove Download PDFInfo
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- CN218146054U CN218146054U CN202221982834.3U CN202221982834U CN218146054U CN 218146054 U CN218146054 U CN 218146054U CN 202221982834 U CN202221982834 U CN 202221982834U CN 218146054 U CN218146054 U CN 218146054U
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Abstract
The application provides a sewage treatment purifies groove includes: the device comprises a tank body, wherein an anaerobic digestion zone, an aerobic reaction zone and a precipitation water outlet zone are arranged in the tank body and are sequentially communicated along the horizontal direction; the anaerobic digestion zone comprises: the anaerobic digestion zone is arranged on the upper part of the anaerobic digestion zone, and the anaerobic digestion zone is provided with an elastic three-dimensional material and a connecting pipe which is communicated with the aerobic reaction zone; the aerobic reaction zone comprises: the device comprises a guide plate arranged at the top of an aerobic reaction zone, a suspension ball filler arranged in the aerobic reaction zone, an anti-blocking aeration tank arranged at the bottom of the aerobic reaction zone, and a gas stripping return pipe respectively connected with an anaerobic digestion zone and a precipitation water outlet zone; the precipitation water-outlet area comprises: a perforated plate used for being communicated with the aerobic reaction zone, a buffer plate arranged at the top of the sedimentation water outlet zone, an inclined plate component, an overflow groove arranged at the top of the sedimentation water outlet zone and a water outlet pipe connected with the overflow groove. This application has effectively reduced the suspended solid concentration of drainage, and does not have the aeration trouble, has reduced fortune dimension cost.
Description
Technical Field
The utility model relates to a sewage treatment field, concretely relates to sewage treatment purifies groove.
Background
Along with the development of rural areas, the living standard of farmers is continuously improved, the sewage discharge amount of residents in rural areas is gradually increased, and the rural domestic sewage needs to be treated in order to avoid the influence of the discharged sewage on the ecological environment of the rural areas. The existing purifying tank for treating rural domestic sewage mainly faces the problems of high operation and maintenance cost, difficult treatment of excess sludge, difficult guarantee of effluent suspended matter indexes and the like in the process of purifying the sewage. The operation and maintenance cost is mainly reflected in labor cost, and most of the operation and maintenance cost is caused by the long-time operation of the purification tank and the failure of an aeration system. According to the 'water pollutant discharge standard of rural domestic sewage treatment facility' DB 32/3462-2020, a purification tank with water volume scale below 5 tons/day does not consider total nitrogen and total phosphorus, so that the purification tank which does not need sludge discharge, strengthens water SS and has no aeration fault is very necessary.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sewage treatment purifying tank.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses sewage treatment purifies groove, include: the device comprises a tank body, wherein an anaerobic digestion zone, an aerobic reaction zone and a precipitation water outlet zone are arranged in the tank body and are sequentially communicated along the horizontal direction;
an anaerobic digestion zone comprising: the anaerobic digestion system comprises a water inlet pipe arranged at the top of an anaerobic digestion area, an elastic three-dimensional material arranged in the anaerobic digestion area and a connecting pipe arranged at the bottom of the anaerobic digestion area and used for being communicated with an aerobic reaction area;
an aerobic reaction zone comprising: the device comprises a guide plate arranged at the top of an aerobic reaction zone, a suspension ball filler arranged in the aerobic reaction zone, an anti-blocking aeration tank arranged at the bottom of the aerobic reaction zone, and an air stripping return pipe arranged in the aerobic reaction zone and respectively connected with an anaerobic digestion zone and a precipitation water outlet zone;
a sedimentation water exit zone comprising: the device comprises a perforated plate, a buffer plate, an inclined plate assembly, an overflow groove and a water outlet pipe, wherein the perforated plate is arranged at the top of a precipitation water outlet area and is used for being communicated with an aerobic reaction area, the buffer plate is arranged at the top of the precipitation water outlet area and is used for buffering sewage, the inclined plate assembly is arranged at the top of the precipitation water outlet area and is used for precipitating sludge, the overflow groove is arranged at the top of the precipitation water outlet area and is used for discharging sewage, and the water outlet pipe is connected with the overflow groove.
Specifically, sewage enters the anaerobic digestion zone from the water inlet pipe of the anaerobic digestion zone and reaches the bottom of the anaerobic digestion zone after being pretreated by the elastic three-dimensional material, the sewage flows into the bottom of the aerobic reaction zone from the anaerobic digestion zone through the connecting pipe, and the anti-blocking aeration tank at the bottom of the aerobic reaction zone can continuously aerate to prevent sludge blockage. Then the sewage flows upwards through the suspension ball filler, after the sewage is guided by the guide plate, the sewage forms local circulation in the guide plate area and then enters a precipitation water outlet area through the perforated plate. At the moment, water flow is separated by the inclined plate assembly to realize mud-water separation, sludge is settled downwards, and sewage overflows to the overflow groove and is discharged out of the purification tank through the water outlet pipe.
In one embodiment of the present application, the connection pipe is formed as a multi-pass pipe including: the water inlet is arranged below the elastic three-dimensional material; the water outlet is communicated with the aerobic reaction zone and extends downwards to the bottom of the aerobic reaction zone; the top opening is connected with the top of the tank body so as to be communicated with the atmosphere outside the tank body.
Specifically, an opening in the top, which is connected with the top of the tank body, above the connecting pipe is communicated with the outside atmosphere, and sewage can flow into the aerobic reaction zone from the anaerobic digestion zone through air pressure difference.
In one embodiment of the application, the height of the water inlet is higher than that of the water outlet, and the height of the water outlet is lower than that of the suspension ball filler and higher than that of the anti-blocking aeration tank.
Specifically, sewage can flow into the aerobic reaction zone from the anaerobic digestion zone through the connecting pipe, and the water outlet height is lower than the height of the suspended ball filler, so that the sewage can be ensured to be sucked into the bottom of the aerobic reaction zone, and the sewage is treated by the suspended ball filler when the aerobic zone flows upwards.
In one embodiment of the present application, the anaerobic digestion zone further comprises: and the perforated aeration pipe is arranged below the water inlet and is used for being connected with a fan outside the tank body to perform aeration stirring on sludge in the anaerobic digestion area.
In one embodiment of the application, an air inlet pipe is arranged above the anti-blocking aeration tank, and a plurality of bidirectional aeration holes communicated with the air inlet pipe are circumferentially formed in the air inlet pipe, and the air inlet pipe is connected with a fan so as to perform aeration stirring on sludge in the aerobic reaction zone through the bidirectional aeration holes.
In one embodiment of the present application, the anti-clogging aeration tank is formed with legs at both ends thereof. Specifically, the stabilizer blade at anti-blocking aeration tank both ends will prevent stifled aeration tank and prop the bottom from aerobic reaction district, and after the two-way aeration hole in the anti-blocking aeration tank outside was blockked up by mud, the gas that two-way aeration tank exposed can be in the space that prevents stifled aeration tank and both ends stabilizer blade formation accumulation and outwards expose, erode the near mud of preventing stifled aeration tank for the two-way aeration hole that prevents the stifled aeration tank outside resumes unobstructed.
In one embodiment of the application, the stripping return pipe is formed as a multi-pass duct comprising: the gas stripping water inlet is arranged at the bottom of the aerobic reaction zone and is communicated with the precipitation water outlet zone; the gas stripping water outlet is arranged at the top of the aerobic reaction zone and is communicated with the anaerobic digestion zone; the gas stripping top is provided with an opening and is respectively connected with the gas stripping water outlet and the top of the tank body, so that the gas stripping water outlet is communicated with the atmosphere outside the tank body; and the aeration port is communicated with the gas stripping water inlet.
Specifically, the gas stripping water inlet is arranged at the bottom of the aerobic reaction zone and is communicated with the precipitation water outlet zone, and meanwhile, the top opening of the gas stripping is communicated with the atmosphere outside the tank body, so that sludge at the bottom of the precipitation water outlet zone can enter the gas stripping return pipe through air pressure difference, flow into the anaerobic digestion zone through the gas stripping water outlet, flow downwards along with sewage, and are deposited and digested at the bottom of the anaerobic digestion zone.
In one embodiment of the present application, the aerobic reaction zone further comprises: and the air stripping aeration pipe is arranged below the aeration port, is connected with the fan and is used for carrying out aeration stirring on the sludge entering the air stripping water inlet from the precipitation water outlet zone through the aeration port.
In one embodiment of the application, the inclined plate assembly comprises a plurality of inclined unequal length inclined plates arranged in an inclined manner, and the inclined direction is inclined 50-60 degrees in the direction of the water flow entering the sedimentation water outlet area.
Specifically, after the sewage reaches the inclined plates, the sewage spreads from the upper ends to the lower ends of the inclined plates, the mud-water mixed liquid is precipitated between the adjacent inclined plates, the precipitated sludge slides down along the inclined plates, and the supernatant overflows to the overflow tank. Generally, the distance between adjacent inclined plates is 50-150mm to realize good precipitation separation effect. The top of the inclined plate is provided with a horizontally arranged overflow groove, the upper edge of the overflow groove is in a zigzag shape, and supernatant is discharged from a water outlet after passing through the overflow groove.
In one embodiment of the present application, the method further comprises: the first electromagnetic valve is arranged outside the tank body, is respectively and electrically connected with the fan and the perforated aeration pipe and is used for controlling the perforated aeration pipe to be opened and closed at fixed time; the manual valve is arranged outside the tank body, is respectively connected with the fan and the bidirectional aeration hole and is used for controlling the aeration amount of the bidirectional aeration hole; and the third electromagnetic valve is arranged outside the tank body, is respectively electrically connected with the fan and the air stripping aeration pipe and is used for controlling the timing opening and closing of the air stripping aeration pipe.
The above technical scheme of the utility model one of following beneficial effect has at least:
1. the sewage treatment purifying tank provided by the embodiment of the utility model filters sewage through the multilayer filler, and performs mud-water separation through the inclined plate component, thereby effectively reducing the concentration of solid suspended matters in the drained water;
2. the sewage treatment and purification tank provided by the embodiment of the utility model has the advantages that after the sewage is subjected to mud-water separation, the sludge is sucked into the anaerobic digestion area through the gas stripping return pipe for deposition and digestion, the sludge discharge is not needed, and the operation cost is effectively reduced;
3. the sewage treatment purification tank provided by the embodiment of the utility model is provided with the anti-blocking aeration tank with the support legs in the aerobic reaction zone, so that the sludge near the anti-blocking aeration tank can be washed away, and the anti-blocking aeration tank is prevented from being blocked by the sludge.
Drawings
FIG. 1 is a schematic sectional view of a sewage treatment purifying tank according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an anti-clogging aeration tank of a sewage treatment and purification tank according to an embodiment of the present invention;
FIG. 3 is a schematic view of a gas stripping return pipe of a sewage treatment purifying tank according to an embodiment of the present invention.
Reference numerals: 1000. a tank body; 100. an anaerobic digestion zone; 110. a water inlet pipe; 120. an elastic three-dimensional material; 130. a connecting pipe; 131. a water inlet; 132. a water outlet; 133. the top is open; 140. perforating an aeration pipe; 200. an aerobic reaction zone; 210. a baffle; 220. filling suspended balls; 230. an anti-blocking aeration tank; 231. an air inlet pipe; 232. bidirectional aeration holes; 233. a support leg; 240. a gas stripping return pipe; 241. Gas stripping water inlet; 242. gas stripping water outlet; 243. a gas stripping top opening; 244. an aeration opening; 250. Gas stripping aeration pipes; 300. a precipitation effluent zone; 310. a perforated plate; 320. a buffer plate; 330. a swash plate assembly; 340. an overflow trough; 350. a water outlet pipe; 400. a fan; 410. a first solenoid valve; 420. a manual valve; 430. and a third solenoid valve.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The prior purifying tank for treating rural domestic sewage mainly faces the problems of high operation and maintenance cost, difficult treatment of excess sludge, difficult guarantee of effluent suspended matter indexes and the like in the process of purifying sewage. The operation and maintenance cost is mainly reflected in labor cost, and most of the operation and maintenance cost is caused by the long-time operation of the purification tank and the failure of the aeration system. In order to solve the above problems, the present application provides a sewage treatment purification tank.
The following first describes a sewage treatment purifying tank according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a schematic sectional view of a sewage treatment purifying tank according to the present application, the sewage treatment purifying tank including: the device comprises a tank body 1000, wherein an anaerobic digestion zone 100, an aerobic reaction zone 200 and a precipitation water outlet zone 300 which are sequentially communicated along the horizontal direction are arranged in the tank body 1000;
an anaerobic digestion zone 100 comprising: a water inlet pipe 110 disposed at the top of the anaerobic digestion zone 100, an elastic three-dimensional material 120 disposed in the anaerobic digestion zone 100, and a connection pipe disposed at the bottom of the anaerobic digestion zone 100 for communicating with the aerobic reaction zone 200;
an aerobic reaction zone 200 comprising: a guide plate 210 arranged at the top of the aerobic reaction zone 200, a suspension ball filler 220 arranged in the aerobic reaction zone 200, an anti-blocking aeration tank 230 arranged at the bottom of the aerobic reaction zone 200, and a gas stripping return pipe 240 arranged in the aerobic reaction zone 200 and respectively connected with the anaerobic digestion zone 100 and the precipitation water outlet zone 300;
a settling effluent zone 300 comprising: a perforated plate 310 arranged at the top of the sedimentation water outlet area 300 and used for communicating with the aerobic reaction area 200, a buffer plate 320 arranged at the top of the sedimentation water outlet area 300 and used for buffering sewage, a sloping plate component 330 arranged at the top of the sedimentation water outlet area 300 and used for settling sludge, an overflow groove 340 arranged at the top of the sedimentation water outlet area 300 and used for discharging sewage, and a water outlet pipe 350 connected with the overflow groove 340.
Specifically, the sewage enters the anaerobic digestion zone 100 from the water inlet pipe 110 of the anaerobic digestion zone 100, which is higher than the actual liquid level, and reaches the bottom of the anaerobic digestion zone 100 after being pretreated by the elastic three-dimensional material 120, the sewage flows into the bottom of the aerobic reaction zone 200 from the anaerobic digestion zone 100 through the connecting pipe, and the anti-blocking aeration tank 230 at the bottom of the aerobic reaction zone 200 can perform timed aeration to prevent sludge blockage. Then the sewage flows upwards through the suspension ball filler 220, and after being filtered by the suspension ball filler 220, most of the sludge can be filtered and deposited to the bottom of the aerobic reaction zone 200. The wastewater flows upward and is guided by the baffle 210, and then enters the sedimentation outlet zone 300 through the perforated plate 310 after forming a local circulation in the area of the baffle 210. At this time, the water flow is separated by the inclined plate assembly 330 to realize sludge-water separation, the sludge is settled downwards, and the sewage overflows to the overflow tank 340 and is discharged out of the purification tank through the water outlet pipe 350.
Based on the structure, the device is reasonably combined, the anaerobic digestion zone 100, the aerobic reaction zone 200 and the precipitation water outlet zone 300 are sequentially communicated along the horizontal direction to be integrated to realize a sewage treatment purification tank, and the occupied area of the device is effectively reduced; meanwhile, the elastic three-dimensional material 120, the suspension ball filler 220 and the inclined plate assembly 330 are respectively used for filtering sewage, so that the concentration of solid suspended matters in the drained water is effectively reduced; in addition, when the sewage flows upwards from the bottom of the aerobic reaction zone 200 through the suspension ball filler 220, most of the sludge is filtered and deposited at the bottom of the aerobic reaction zone 200, so that the sludge output is improved, and the water outlet effect is enhanced; in addition, the bent guide plate 210 is used for backflow of sewage, dead zones are reduced, sewage circulation can be effectively enhanced, and the volume utilization rate of space in the tank is improved. After the sewage is subjected to sludge-water separation, the sludge is sucked into the anaerobic digestion area 100 through the gas stripping return pipe 240 for deposition digestion, sludge discharge is not needed, and the operation cost is effectively reduced.
As shown in fig. 1, in one embodiment of the present application, the connection pipe is formed as a multi-pass pipe including: a water inlet 131 arranged below the elastic three-dimensional material 120; a water outlet 132, which is communicated with the aerobic reaction zone 200 and extends downwards to the bottom of the aerobic reaction zone 200; and a top opening 133 connected to the top of the tank 1000 to communicate with the atmosphere outside the tank 1000.
Specifically, the top opening 133 above the connecting pipe and connected to the top of the tank 1000 is communicated with the outside atmosphere, and the sewage can flow from the anaerobic digestion zone 100 to the aerobic reaction zone 200 through the air pressure difference. Based on the structure, a water suction pump does not need to be additionally arranged inside or outside the tank body 1000, and the installation cost is effectively saved.
As shown in fig. 1, in one embodiment of the present application, the height of the water inlet 131 is higher than that of the water outlet 132, and the height of the water outlet 132 is lower than that of the floating ball filler 220 and higher than that of the anti-blocking aeration tank 230.
Specifically, the height of the water outlet 132 is lower than that of the suspension ball filler 220, so that sewage can be ensured to be sucked into the bottom of the aerobic reaction zone 200, and sludge can be filtered after being filtered by the suspension ball filler 220 when the aerobic zone flows upwards. In addition, the height of the water outlet 132 is higher than that of the anti-blocking aeration tank 230, so that when sewage enters the aerobic reaction zone 200, the sewage can be deposited around the anti-blocking aeration tank 230, and the anti-blocking aeration tank 230 can aerate sludge deposited at the bottom of the aerobic reaction zone 200. Therefore, the aerobic reaction rate of the sludge is effectively improved.
As shown in fig. 1, in one embodiment of the present application, the anaerobic digestion zone 100 further comprises: and the perforated aeration pipe 140 is arranged below the water inlet 131 and is used for being connected with a fan 400 outside the tank body 1000 to perform aeration stirring on sludge in the anaerobic digestion area 100. Specifically, the perforated aeration pipe 140 can perform aeration, on one hand, can stir precipitated sludge to accelerate anaerobic digestion rate of the sludge, and on the other hand, can prevent too much sludge from being deposited below the connecting pipe to cause blockage of the connecting pipe, thereby reducing operation and maintenance cost.
As shown in fig. 2, in one embodiment of the present application, an air inlet pipe 231 is disposed above the anti-clogging aeration tank 230, and a plurality of bidirectional aeration holes 232 are circumferentially opened in communication with the air inlet pipe 231, and the air inlet pipe 231 is connected to a blower 400 to perform aeration stirring on sludge in the aerobic reaction zone 200 through the bidirectional aeration holes 232, so as to increase an aerobic reaction rate of the sludge deposited in the aerobic reaction zone 200. The anti-clogging aeration tank 230 has legs 233 formed at both ends thereof.
Specifically, the support legs 233 at the two ends of the anti-blocking aeration tank 230 can support the anti-blocking aeration tank 230 away from the bottom of the aerobic reaction zone 200, and the support legs 233 at the two ends can form a part of space together with the bottom of the anti-blocking aeration tank 230. In long-term use, the sludge is gradually deposited around the anti-blocking aeration tank 230 at the bottom of the aerobic reaction zone 200 and blocks the bidirectional aeration holes 232 outside the anti-blocking aeration tank 230. After the two-way aeration hole 232 outside the anti-blocking aeration tank 230 is blocked by sludge, the gas exposed by the two-way aeration tank can be accumulated and exposed outwards in the space formed by the bottom of the anti-blocking aeration tank 230 and the support legs 233 at the two ends, so as to wash the sludge near the anti-blocking aeration tank 230, and the two-way aeration hole 232 outside the anti-blocking aeration tank 230 is recovered smoothly. Therefore, the aeration fault can be effectively avoided.
As shown in FIGS. 1 and 3, in one embodiment of the present application, stripping return 240 is formed as a multi-pass duct comprising: a gas stripping water inlet 241 which is arranged at the bottom of the aerobic reaction zone 200 and is communicated with the precipitation water outlet zone 300; a gas stripping water outlet 242 arranged at the top of the aerobic reaction zone 200 and communicated with the anaerobic digestion zone 100; a stripping top opening 243 respectively connected with the stripping water outlet 242 and the top of the tank body 1000 so as to communicate the stripping water outlet 242 with the atmosphere outside the tank body 1000; and the aeration opening 244 is communicated with the air stripping water inlet 241.
Specifically, the gas stripping water inlet 241 is arranged at the bottom of the aerobic reaction zone 200 and is communicated with the precipitation water outlet zone 300, and the gas stripping top opening 243 is communicated with the atmosphere outside the tank body 1000, so that the sludge separated at the bottom of the precipitation water outlet zone 300 can enter the gas stripping return pipe 240 through the air pressure difference and flow into the anaerobic digestion zone 100 through the gas stripping water outlet 242, and flows downwards along with the sewage to be deposited and digested at the bottom of the anaerobic digestion zone 100. Therefore, the sludge amount is effectively reduced, and sludge discharge is not needed.
As shown in fig. 1, in one embodiment of the present application, the aerobic reaction zone 200 further comprises: and the gas stripping aeration pipe is arranged below the aeration port 244 and is connected with the fan 400, and is used for carrying out aeration stirring and lifting on the sludge entering the gas stripping water inlet 241 from the precipitation water outlet area 300 through the aeration port 244. The sludge at the bottom of the precipitation water outlet area 300 can be driven to flow into the gas stripping water inlet 241 of the gas stripping return pipe 240, and meanwhile, the phenomenon that the gas stripping return pipe 240 is blocked due to excessive sludge deposition in the gas stripping return pipe 240 is avoided, and the operation and maintenance cost is reduced.
In one embodiment of the present application, as shown in fig. 1, the inclined plate assembly 330 comprises a plurality of unequal length inclined plates in an inclined arrangement and the inclination direction is 50-60 ° from the direction of water flow into the settling outlet zone 300.
Specifically, after the sewage reaches the inclined plates, the sewage spreads from the upper ends to the lower ends of the inclined plates, the sludge-water mixed liquid is precipitated between the adjacent inclined plates, the precipitated sludge slides down along the inclined plates, and the supernatant overflows to the overflow tank 340. Generally, the distance between adjacent inclined plates is 50-150mm to realize good precipitation separation effect. The top of the sloping plate is a horizontally arranged overflow groove 340, the upper edge of the overflow groove 340 is zigzag, and the supernatant passes through the overflow groove 340 and is discharged from the water outlet 132.
As shown in fig. 1, in an embodiment of the present application, the method further includes: the first electromagnetic valve 410 is arranged outside the tank 1000, is respectively electrically connected with the fan 400 and the perforated aeration pipe 140, and is used for controlling the perforated aeration pipe 140 to be opened and closed at regular time, so that precipitated sludge can be stirred, anaerobic digestion of the sludge is accelerated, and blockage caused by excessive sludge deposition below the connecting pipe is prevented; the manual valve 420 is arranged outside the tank body 1000 and is respectively connected with the fan 400 and the two-way aeration hole 232 and used for controlling the timing opening and closing of the two-way aeration hole 232, particularly, in the continuous aeration process, the two-way aeration hole 232 outside the anti-blocking aeration tank 230 can be blocked, the gas exposed from the two-way aeration hole 232 at the inner side can be accumulated and exposed outwards in the space formed by the bottom of the anti-blocking aeration tank 230 and the support legs 233 at the two ends, so that the sludge near the anti-blocking aeration tank 230 can be washed away, the two-way aeration hole 232 at the outer side of the anti-blocking aeration tank 230 can be recovered smoothly, in addition, after the fan 400 breaks down, the gas accumulated in the space formed by the bottom of the aeration tank 230 and the support legs at the two ends 233 can be exposed outwards, the sludge near the anti-blocking aeration tank 230 can be washed away, and the two-way aeration hole 232 at the outer side of the aeration tank 230 can be recovered smoothly; the third electromagnetic valve 430 is disposed outside the tank 1000, and is electrically connected to the blower 400 and the air-lift aeration tube, respectively, for controlling the air-lift aeration tube to open and close at regular time, so as to drive the sludge at the bottom of the precipitation water outlet zone 300 to flow into the air-lift water inlet 241 of the air-lift return pipe 240, and prevent the air-lift return pipe 240 from being blocked due to excessive sludge deposition in the air-lift return pipe 240.
According to the sewage treatment purification tank, sewage is filtered through the multilayer filler, and mud and water are separated through the inclined plate assembly, so that the concentration of solid suspended matters in discharged water is effectively reduced; meanwhile, after the sewage is subjected to mud-water separation, the sewage is sucked into the anaerobic digestion area through the gas stripping return pipe for sedimentation and digestion, sludge discharge is not needed, and the operation cost is effectively reduced; in addition, the sewage treatment purification tank of this application sets up the stifled aeration tank that prevents that has the stabilizer blade in aerobic reaction district, can erode the near mud of stifled aeration tank of preventing, avoids preventing that stifled aeration tank is blockked up by mud.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A sewage treatment purifying tank, comprising: the device comprises a tank body, a water inlet zone, a water outlet zone and a water outlet zone, wherein the tank body is internally provided with an anaerobic digestion zone, an aerobic reaction zone and a precipitation water outlet zone which are communicated with each other;
the anaerobic digestion zone comprises:
the water inlet pipe is arranged in the anaerobic digestion area and used for conveying sewage to be treated;
the elastic three-dimensional material is arranged in the anaerobic digestion area and is used for pretreating sewage flowing in from the water inlet pipe;
the first end of the connecting pipe is arranged at the top of the anaerobic digestion area and communicated with the aerobic reaction area, and the second end of the connecting pipe penetrates through the elastic three-dimensional material and is arranged at the bottom of the anaerobic digestion area;
the aerobic reaction zone comprises:
the flow guide plate is arranged at the top of the aerobic reaction zone;
the suspension ball filler is arranged in the aerobic reaction zone and divides the aerobic reaction zone into an upper chamber and a lower chamber;
the anti-blocking aeration tank is arranged in the lower chamber of the aerobic reaction zone;
the gas stripping return pipe is arranged in the aerobic reaction zone, the first end of the gas stripping return pipe is arranged in the upper chamber and communicated with the anaerobic digestion zone, and the second end of the gas stripping return pipe is arranged in the lower chamber and communicated with the precipitation water outlet zone;
the precipitation water-outlet area comprises:
the perforated plate is arranged between the precipitation water outlet zone and the aerobic reaction zone, and a through hole is formed in the top of the perforated plate, which is positioned in the upper chamber, so that the precipitation water outlet zone is communicated with the aerobic reaction zone;
the inclined plate assembly is arranged below the perforated plate and is used for precipitating sludge in the sewage;
and the overflow groove is arranged above the inclined plate component, is communicated with the groove body through a water outlet pipe and is used for overflowing and discharging precipitated sewage.
2. The sewage treatment purification tank as recited in claim 1 wherein the connection pipe is formed as a multi-way pipe including:
the water inlet is arranged below the elastic three-dimensional material;
the water outlet is communicated with the aerobic reaction zone and extends downwards to the bottom of the aerobic reaction zone;
the top opening is connected with the top of the tank body so as to be communicated with the atmosphere outside the tank body.
3. The sewage treatment purification tank as defined in claim 2, wherein the water inlet is higher than the water outlet, and the water outlet is lower than the floating ball filler and higher than the anti-clogging aeration tank.
4. The sewage treatment purification tank as recited in claim 2 wherein said anaerobic digestion zone further comprises:
and the perforated aeration pipe is arranged below the water inlet and is used for being connected with a fan outside the tank body to perform aeration stirring on sludge in the anaerobic digestion area.
5. The sewage treatment purification tank as recited in claim 4, wherein an air inlet pipe is provided above the anti-clogging aeration tank, and a plurality of bidirectional aeration holes are circumferentially formed in communication with the air inlet pipe, and the air inlet pipe is connected to the fan so as to aerate and agitate the sludge in the aerobic reaction zone through the bidirectional aeration holes.
6. The sewage treatment purification tank as defined in claim 4, wherein the anti-clogging aeration tank is formed with legs at both ends thereof to support the anti-clogging aeration tank away from the bottom of the aerobic reaction zone.
7. The sewage treatment purifying tank as recited in claim 5 wherein said air stripping return pipe is formed as a multi-pass pipe including:
the gas stripping water inlet is arranged at the bottom of the aerobic reaction zone and is communicated with the precipitation water outlet zone;
the gas stripping water outlet is arranged at the top of the aerobic reaction zone and is communicated with the anaerobic digestion zone;
the gas stripping top opening is respectively connected with the gas stripping water outlet and the top of the tank body so as to communicate the gas stripping water outlet with the atmosphere outside the tank body;
and the aeration port is communicated with the gas stripping water inlet.
8. The sewage treatment purification tank as recited in claim 7 wherein said aerobic reaction zone further comprises:
and the air stripping aeration pipe is arranged below the aeration opening, is connected with the fan and is used for carrying out aeration stirring and lifting on the sludge entering the air stripping water inlet from the precipitation water outlet zone through the aeration opening.
9. The sewage treatment purification tank as recited in claim 1 wherein said ramp assembly comprises a plurality of unequal length ramps arranged in an inclined manner with the direction of inclination being 50-60 ° from the direction of water flow into said settling outlet.
10. The sewage treatment purification tank as recited in claim 8 further comprising:
the first electromagnetic valve is arranged outside the tank body, is respectively and electrically connected with the fan and the perforated aeration pipe, and is used for controlling the perforated aeration pipe to be opened and closed at regular time;
the manual valve is arranged outside the tank body, is respectively connected with the fan and the bidirectional aeration hole, and is used for controlling the aeration amount of the bidirectional aeration hole;
and the third electromagnetic valve is arranged outside the tank body, is respectively electrically connected with the fan and the gas stripping aeration pipe, and is used for controlling the gas stripping aeration pipe to be opened and closed at regular time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221982834.3U CN218146054U (en) | 2022-07-29 | 2022-07-29 | Sewage treatment purifies groove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221982834.3U CN218146054U (en) | 2022-07-29 | 2022-07-29 | Sewage treatment purifies groove |
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| Publication Number | Publication Date |
|---|---|
| CN218146054U true CN218146054U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221982834.3U Active CN218146054U (en) | 2022-07-29 | 2022-07-29 | Sewage treatment purifies groove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022966A (en) * | 2023-02-02 | 2023-04-28 | 盐城工学院 | Sewage total nitrogen removing device |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022966A (en) * | 2023-02-02 | 2023-04-28 | 盐城工学院 | Sewage total nitrogen removing device |
| CN116022966B (en) * | 2023-02-02 | 2023-06-30 | 盐城工学院 | Sewage total nitrogen removing device |
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