CN213266146U

CN213266146U - Overflow emergency treatment system for sewage treatment

Info

Publication number: CN213266146U
Application number: CN202021370549.7U
Authority: CN
Inventors: 谷刚
Original assignee: SICHUAN MEILIFANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: SICHUAN MEILIFANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-05-25
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an overflow emergency treatment system for sewage treatment, including effluent water sump, equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank, fibre filtration carousel, disinfection pond and the sludge storage tank that connects gradually, be equipped with the overflow pipe of being connected with the equalizing basin on the effluent water sump, install the sewage pump in the equalizing basin, the delivery port of sewage pump is connected with the stainless steel filter, equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank and fibre filtration carousel all are equipped with the blow off pipe that communicates with the sludge storage tank. The utility model discloses a equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank, fibre filtration carousel and the disinfection pond that connects gradually can carry out continuous filtration, acidizing, sediment, aeration, refilter and disinfection treatment to the sewage that overflows in the sewage pond, makes the sewage that overflows accord with emission standard after handling.

Description

Overflow emergency treatment system for sewage treatment

Technical Field

The utility model relates to a sewage treatment field especially relates to an overflow emergency treatment system for sewage treatment.

Background

When sewage is treated, because the treatment space is limited, sewage can continuously flow into the sewage tank, the overflow of sewage is easily caused, the sewage in the sewage tank at the overflow position can easily cause the leakage of sewage, the sewage at the overflow position can carry a large amount of impurities floating on the sewage, and the treatment is very inconvenient.

Disclosure of Invention

An object of the utility model is to provide a but convenient continuous processing overflow sewage's overflow emergency treatment system for sewage treatment.

The utility model aims at realizing through the following technical scheme:

the utility model provides an overflow emergency treatment system for sewage treatment, includes effluent water sump, equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank, fibre filtration carousel, disinfection pond and sludge storage tank, be equipped with the overflow pipe of being connected with the equalizing basin on the effluent water sump, install the sewage pump in the equalizing basin, the delivery port of sewage pump is connected with the stainless steel filter, the stainless steel filter rear side has connected gradually acidizing pond, sedimentation tank, aeration tank, fibre filtration carousel and disinfection pond, equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank and fibre filtration carousel all are equipped with the blow off pipe that communicates with the sludge storage tank, be connected with sludge dewaterer on the sludge storage tank.

The sewage pump has a plurality ofly, and the export of a plurality of sewage pumps is parallelly connected.

Stainless steel filter includes cartridge filter, top cap and filter screen cloth bag, import and export are installed respectively to cartridge filter top and bottom, and cartridge filter internal processing has the step of installation filter screen cloth bag, and the step is located the cartridge filter upper portion of import below, leave the clearance between filter screen cloth bag and the cartridge filter inner wall, install the valve in the import, stainless steel filter has two, and two stainless steel filter's import all is connected with the delivery port of sewage pump.

The acidification tank, the sedimentation tank, the aeration tank and the fiber filtering rotary disc are all provided with a plurality of tanks.

The sedimentation tank comprises a tank body, an umbrella-shaped plate, a water inlet pipe, a stirrer and a water drainage tank, wherein the tank body is a trapezoidal tank body with a large upper part and a small lower part, the umbrella-shaped plate is arranged in the tank body, the umbrella-shaped plate separates the tank body into a reaction chamber and a separation chamber, the tank body below the umbrella-shaped plate is the reaction chamber, the tank body above the umbrella-shaped plate is the separation chamber, a sludge channel is reserved between the umbrella-shaped plate and the inner wall of the tank body, the water inlet pipe is arranged on the side wall of the umbrella-shaped plate and extends into the reaction chamber, a through hole for the stirrer to extend into the reaction chamber is arranged at the top.

And a coagulant aid dosing device is arranged on each sedimentation tank and is provided with two medicine outlets which are respectively arranged in the reaction chamber and the separation chamber.

The fiber filtering rotary table comprises a filtering tank and a fiber rotary table which is rotatably arranged in the filtering tank, detachable filter cloth is arranged on the fiber rotary table, and the fiber rotary table is hollow.

The utility model provides an overflow emergency treatment system utensil for sewage treatment's beneficial effect is:

(1) through the regulating tank, the stainless steel filter, the acidification tank, the sedimentation tank, the aeration tank, the fiber filtering turntable and the disinfection tank which are connected in sequence, the sewage overflowing from the sewage tank can be continuously filtered, acidified, precipitated, aerated, re-filtered and disinfected, so that the overflowing sewage is treated to meet the discharge standard;

(2) through setting up two stainless steel filters, can realize continuous filtration to prevent to cause impurity to leak when the impurity in the clearance filter screen bag.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a stainless steel filter provided by an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a sedimentation tank provided by the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a fiber filtering turntable according to an embodiment of the present invention.

Reference numerals: 1. a sewage tank; 101. an overflow pipe; 2. a regulating tank; 21. a sewage pump; 3. a stainless steel filter; 31. a filter cartridge; 32. a top cover; 33. a filter net bag; 34. an inlet; 35. an outlet; 36. a step; 4. an acidification tank; 5. a sedimentation tank; 51. a tank body; 52. an umbrella-shaped plate; 53. a water inlet pipe; 54. a stirrer; 55. a water discharge tank; 56. a reaction chamber; 57. a compartment; 58. a sludge channel; 59. a port; 6. an aeration tank; 7. a fiber filtration carousel; 71. a filtration tank; 72. a fiber turntable; 73. filtering cloth; 8. a disinfection tank; 81. a disinfectant dosing device; 9. a sludge storage tank; 91. a blow-off pipe; 10. a sludge dewatering machine; 11. a dosing device; 111. a medicine outlet; 12. a water return pipe.

Detailed Description

Examples

As shown in fig. 1, the overflow emergency treatment system for sewage treatment provided by this embodiment includes a sewage tank 1, an adjusting tank 2, a stainless steel filter 3, an acidification tank 4, a sedimentation tank 5, an aeration tank 6, a fiber filtering rotary table 7, a disinfection tank 8 and a sludge storage tank 9, an overflow pipe 101 connected with the adjusting tank 2 is provided on the sewage tank 1, a sewage pump 21 is installed in the adjusting tank 2, the sewage pump 21 has three (two-purpose one is provided), the outlets 35 of the three sewage pumps 21 are connected in parallel, the water outlet of the sewage pump 21 is connected with the stainless steel filter 3, the stainless steel filter 3 includes a filter cartridge 31, a top cover 32 and a filter net bag 33, the top and the bottom of the filter cartridge 31 are respectively provided with an inlet 34 and an outlet 35, a step 36 for installing the filter net bag 33 is processed inside the filter cartridge 31, the step 36 is located on the upper portion of the filter cartridge 31 below the inlet 34, a gap is left between the filter, the inlet 34 is provided with two valves, the two stainless steel filters 3 are arranged, the inlets 34 of the two stainless steel filters 3 are connected with the water outlets of the sewage pumps 21 which are connected in parallel, and the stainless steel filters 3 can filter out impurities in overflow sewage so as to ensure the normal operation of the rear-end treatment equipment. The rear side of the stainless steel filter 3 is sequentially connected with an acidification tank 4, a sedimentation tank 5, an aeration tank 6, a fiber filtering rotary table 7 and a disinfection tank 8, the acidification tank 4, the sedimentation tank 5, the aeration tank 6 and the fiber filtering rotary table 7 are all provided with a plurality of standby treatment mechanisms when in use, so that the sewage treatment can be continuously operated; the sedimentation tank 5 comprises a tank body 51, an umbrella-shaped plate 52, a water inlet pipe 53, a stirrer 54 and a drainage tank 55, wherein the tank body 51 is a trapezoid tank body 51 with a large upper part and a small lower part, the umbrella-shaped plate 52 is arranged in the tank body 51, the tank body 51 below the umbrella-shaped plate 52 is a reaction chamber 56, the tank body 51 above the umbrella-shaped plate 52 is a separation chamber, a sludge passage 58 is reserved between the umbrella-shaped plate 52 and the inner wall of the tank body 51, the water inlet pipe 53 is arranged on the side wall of the umbrella-shaped plate 52 and extends into the reaction chamber 56, a through hole 59 for the stirrer 54 to extend into the reaction chamber 56 is arranged at the top of the umbrella-shaped plate 52, and the drainage tank 55 connected with the aeration tank 6 is arranged on the tank body 51 of. And a coagulant aid dosing device 11 is arranged on each sedimentation tank 5, the coagulant aid dosing device 11 is provided with two medicine outlets 111, the two medicine outlets 111 are respectively arranged in the reaction chamber 56 and the separation chamber, waste water in the separation chamber flows into the reaction chamber 56 from the sludge channel 58 after sedimentation, and is finally discharged from a sludge outlet 35 at the bottom of the tank body 51 when the tank body 51 discharges sewage. The fiber filtering rotary disc 7 comprises a filtering pool 71 and a fiber rotary disc 72 which is rotatably installed in the filtering pool 71, the fiber rotary disc 72 is provided with a detachable filter cloth 73, the fiber rotary disc 72 is hollow, during operation, the filtering rotary disc is in a static state, sludge deposition is facilitated at the bottom of the filtering pool 71, the filtering rotary disc rotates at a low speed during cleaning, a suction pump is arranged at the bottom of the filtering pool 71 to suck the surface of the filter cloth 73, the sludge accumulated on the filter cloth 73 can be sucked, water in the filtering rotary disc is sucked outwards at the same time, the filter cloth 73 is used for performing reverse cleaning, a disinfectant dosing device 81 is further arranged between the fiber filtering rotary disc 72 and the disinfecting pool 8, and a disinfectant is added into sewage through the disinfectant dosing device 81.

The equalizing basin 2, stainless steel filter 3, acidizing pond 4, sedimentation tank 5, aeration tank 6 and fibre filter carousel 7 all are equipped with the blow off pipe 91 with the 9 intercommunications of sludge storage tank, be connected with sludge dewaterer 10 on the sludge storage tank 9, can be with the sludge dewatering back in the sewage through sludge dewaterer 10 to the processing of mud is convenient for.

And the side walls of the tops of the acidification tank 4, the sedimentation tank 5, the aeration tank 6, the fiber filtering turntable 7 and the sludge storage tank 9 are all provided with a water return pipe 12 communicated with the adjusting tank 2 for carrying out secondary treatment on part of sewage.

The utility model discloses a use method is:

the sewage is discharged into the sewage tank 1, because the sludge treatment speed of the sewage tank 1 is low, when the sewage is more, the written sewage overflows, the sewage at the overflow position flows into the regulating tank 2 along the overflow pipe 101, at the moment, the sewage pump 21 in the regulating tank 2 pumps the overflowing sewage into the stainless steel filter 3, the sewage enters from the inlet 34 of the stainless steel filter 3, impurities are filtered out through the filter cylinder 31 and then is discharged from the outlet 35, the discharged sewage flows into the acidification tank 4, the sewage is hydrolyzed and acidified in the acidification tank 4, the bacteria which play a role in the hydrolysis and acidification process are hydrolytic bacteria and acid-producing bacteria, and the hydrolytic bacteria and the acid-producing bacteria do not need power aeration under the anaerobic condition, so the hydrolysis and acidification tank 4 can partially degrade organic matters under the condition of no energy consumption, and the operation cost is reduced; meanwhile, the acidification hydrolytic bacteria can convert macromolecular organic matters which are difficult to degrade into micromolecular organic matters which are easy to degrade, the treatment effect of a subsequent aerobic treatment unit is improved, then sewage in the acidification tank 4 flows into the sedimentation tank 5, at the moment, the dosing device 11 adds a flocculating agent solution into the tank body 51 to assist inorganic matters in the sewage to precipitate, when the flocculating agent solution is added, the stirrer 54 rotates at a low speed to uniformly mix the flocculating agent solution into the sewage, then the sewage gradually fills the reaction chamber 56, after the reaction chamber 56 is filled, precipitated inorganic particles are accumulated at the bottom of the reaction chamber 56, clearer sewage enters the separation chamber 57, the sewage in the separation chamber 57 continues to precipitate, and due to less precipitated impurities, the precipitated impurities flow back into the reaction chamber 56 along the sludge channel 58, then flow into the aeration tank 6 through a water outlet pipe on the separation chamber 57 to be aerated, and the precipitated sewage is filtered again through the fiber filtering turntable 7, the aperture of the filter cloth 73 is only 10 μm, which can filter out the residual impurities in the water to the maximum extent, finally the sewage is discharged after being disinfected in the disinfection tank 8, and the sludge deposited in the adjusting tank 2, the acidification tank 4, the sedimentation tank 5, the aeration tank 6 and the fiber filtering turntable 7 is sent into the sludge storage tank 9 through the drain pipe 91 and discharged after passing through the sludge dewatering machine 10.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims

1. The utility model provides an overflow emergency treatment system for sewage treatment which characterized in that: including effluent water sump, equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank, fibre filtration carousel, disinfection pond and sludge storage tank, be equipped with the overflow pipe of being connected with the equalizing basin on the effluent water sump, install the sewage pump in the equalizing basin, the delivery port of sewage pump is connected with the stainless steel filter, the stainless steel filter rear side has connected gradually acidizing pond, sedimentation tank, aeration tank, fibre filtration carousel and disinfection pond, equalizing basin, stainless steel filter, acidizing pond, sedimentation tank, aeration tank and fibre filtration carousel all are equipped with the blow off pipe with the sludge storage tank intercommunication, be connected with sludge dewaterer on the sludge storage tank.

2. An overflow emergency treatment system for sewage treatment as claimed in claim 1, wherein: the sewage pump has a plurality ofly, and the export of a plurality of sewage pumps is parallelly connected.

3. An overflow emergency treatment system for sewage treatment as claimed in claim 2, wherein: stainless steel filter includes cartridge filter, top cap and filter screen cloth, import and export are installed respectively to cartridge filter top and bottom, and cartridge filter internal processing has the step of installation filter screen cloth, and the step is located the cartridge filter upper portion of import below, leave the clearance between filter screen cloth and the cartridge filter inner wall, install the valve in the import, stainless steel filter has two, and two stainless steel filter's import all is connected with the delivery port of sewage pump.

4. An overflow emergency treatment system for sewage treatment as claimed in claim 1, wherein: the acidification tank, the sedimentation tank, the aeration tank and the fiber filtering rotary disc are all provided with a plurality of tanks.

5. The overflow emergency treatment system for sewage treatment as set forth in claim 4, wherein: the sedimentation tank comprises a tank body, an umbrella-shaped plate, a water inlet pipe, a stirrer and a water drainage tank, wherein the tank body is a trapezoidal tank body with a large upper part and a small lower part, the umbrella-shaped plate is arranged in the tank body, the umbrella-shaped plate separates the tank body into a reaction chamber and a separation chamber, the tank body below the umbrella-shaped plate is the reaction chamber, the tank body above the umbrella-shaped plate is the separation chamber, a sludge channel is reserved between the umbrella-shaped plate and the inner wall of the tank body, the water inlet pipe is arranged on the side wall of the umbrella-shaped plate and extends into the reaction chamber, a through hole for the stirrer to extend into the reaction chamber is arranged at the top.

6. An overflow emergency treatment system for sewage treatment as claimed in claim 5, wherein: and a coagulant aid dosing device is arranged on each sedimentation tank and is provided with two medicine outlets which are respectively arranged in the reaction chamber and the separation chamber.

7. An overflow emergency treatment system for sewage treatment as claimed in claim 1, wherein: the fiber filtering rotary table comprises a filtering tank and a fiber rotary table which is rotatably arranged in the filtering tank, detachable filter cloth is arranged on the fiber rotary table, and the fiber rotary table is hollow.