CN212741086U - Complete sewage treatment equipment for expressway service area - Google Patents

Abstract

The utility model discloses a highway service area sewage complete sets treatment facility, including sewage inspection shaft, septic tank, grid pond, equalizing basin and sewage treatment plant, sewage inspection shaft, septic tank, grid pond, equalizing basin and sewage treatment plant connect gradually, the export of septic tank is higher than the entry of equalizing basin, the grid pond is installed between septic tank and equalizing basin, and grid bottom of the pool portion is equipped with the grid board of slope installation, the lower one end of grid board is leaned on and is connected septic tank, the higher one end of grid pond and is close to the equalizing basin, the elevator pump of being connected with sewage treatment plant is installed to the equalizing basin bottom. The utility model discloses a septic tank, grid pond, equalizing basin and sewage treatment plant that set up can filter out the pollutant in the domestic wastewater of highway service area for the pollutant in the sewage treatment plant exhaust water is extremely low.

Description

Complete sewage treatment equipment for expressway service area

Technical Field

The utility model relates to a sewage treatment device field especially relates to a highway service area sewage complete sets treatment facility.

Background

The highway is used as a transportation way necessary for human survival and development at present, development and construction activities of the highway can generate direct or indirect negative influence on the surrounding environment, a highway service area is generally provided with service facilities such as catering, lodging, oiling, car washing, maintenance, public toilets and the like, the services such as rest, catering, maintenance, oiling and the like are provided for drivers and passengers, the service facilities extending due to the use of the highway generate certain domestic garbage and domestic sewage, the domestic sewage pollutes the environment very quickly, the pollution speed is very high, and the treatment of the sewage in the highway service area is particularly important.

The main components of sewage in a highway service area are organic pollutants, inorganic pollutants, bacteria and the like, the existing treatment method mainly comprises precipitation and filtration, the efficiency of the treatment equipment is low, and the sewage is rich in nutrients and is very easy to damage the surrounding ecology.

Disclosure of Invention

An object of the utility model is to provide a highway service area sewage complete sets treatment facility that the treatment effeciency is high and the treatment effect is good.

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

a complete set of sewage treatment equipment for a highway service area comprises a sewage inspection well, a septic tank, a grid tank, a regulating tank and a sewage treatment device, the sewage inspection well, the septic tank, the grating tank, the regulating tank and the sewage treatment device are connected in sequence, the outlet of the septic tank is higher than the inlet of the regulating tank, the grid tank is arranged between the septic tank and the regulating tank, the bottom of the grid tank is provided with an obliquely arranged grid plate, the lower end of the grating plate is connected with the septic tank in an abutting mode, the higher end of the grating tank is close to the regulating tank, the bottom of the regulating tank is provided with a lifting pump connected with the sewage treatment device, the sewage treatment device comprises a shielding box, an anoxic tank, an aerobic tank, a membrane filtration tank and a clean water tank, an anoxic tank, an aerobic tank, a membrane filtration tank and a clean water tank which are connected in sequence are arranged in the shielding box, and a sewage pipe connected with the anoxic tank is arranged on a water outlet of the lift pump.

The membrane filtration tank comprises a tank body and a plurality of vertical partition plates arranged in the tank body, the plurality of vertical partition plates divide the tank body into upward steps along the sewage flow direction, a reverse osmosis membrane is arranged between the top of each vertical partition plate and the bottom of each vertical partition plate located on the rear side, a drain pipe connected with the clean water tank is arranged at the bottom of the tank body close to the clean water tank, and a plurality of solid chlorine pieces are arranged at the bottom of the membrane filtration tank.

Install the force pump in the clear water pond, install the withstand voltage pipe on the force pump, the below of arranging reverse osmosis membrane in behind the cell body is passed to the one end of withstand voltage pipe, install the high pressure nozzle that washes reverse osmosis membrane on the withstand voltage pipe of reverse osmosis membrane below.

And a blow-off pipe communicated with the septic tank is arranged at the bottom of one end of the membrane filter tank, which is close to the aerobic tank, and a blow-off valve is arranged on the blow-off pipe.

Install in the equalizing basin and add medicine agitating unit, add medicine agitating unit and mix the medicine agitator including dosing tank, add the medicine agitator, the dosing tank is installed in the equalizing basin top, installs in the dosing tank and adds the medicine agitator, and the dosing tank below is installed and is added the pencil, mix the medicine agitator and install on the lateral wall of dosing tank, mix the stirring portion of medicine agitator and arrange in the equalizing basin of adding the pencil below.

The utility model provides a highway service area sewage complete sets treatment facility's beneficial effect is:

(1) through the septic tank, the grating tank, the regulating tank and the sewage treatment device, pollutants in domestic wastewater in a service area of the expressway can be filtered out, so that the pollutants in water discharged by the sewage treatment device are extremely low and accord with sewage discharge standards;

(2) through setting up the grid pond, can block the great discarded object of volume in the septic tank to prevent in the sewage treatment plant of discarded object inflow rear end, in order to guarantee the treatment effeciency of membrane filtration pond.

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 an internal structure schematic diagram of a conditioning tank provided by the embodiment of the present invention.

Fig. 3 is a schematic structural view of a sewage treatment device provided by the embodiment of the utility model.

Reference numerals: 1. a sewage inspection well; 2. a septic tank; 3. a grid tank; 31. a grid plate; 4. a regulating tank; 41. a lift pump; 42. a sewage pipe; 5. a shielding box; 6. an anoxic tank; 7. an aerobic tank; 8. a membrane treatment tank; 81. a tank body; 82. a vertical partition plate; 83. a reverse osmosis membrane; 84. a drain pipe; 85. solid chlorine tablets; 86. a blow-off pipe; 9. a clean water tank; 91. a pressure pump; 92. a pressure resistant pipe; 93. a high pressure spray head; 10. a dosing and stirring device; 101. a dosing box; 102. a dosing stirrer; 103. a medicine mixing stirrer; 104. a medicine feeding pipe.

Detailed Description

Examples

As shown in fig. 1 to 3, the complete sewage treatment equipment for the expressway service area provided in this embodiment includes a sewage inspection well 1, a septic tank 2, a grid tank 3, an adjusting tank 4, and a sewage treatment device, wherein the sewage inspection well 1, the septic tank 2, the grid tank 3, the adjusting tank 4, and the sewage treatment device are sequentially connected, the septic tank 2 and the adjusting tank 4 are both buried underground, an outlet of the septic tank 2 is higher than an inlet of the adjusting tank 4, the grid tank 3 is installed between the septic tank 2 and the adjusting tank 4, the bottom of the grid tank 3 is provided with a grid plate 31 installed obliquely, a lower end of the grid plate 31 is close to the septic tank 2 and a higher end of the grid tank 3, the bottom of the adjusting tank 4 is provided with a lift pump 41 connected with the sewage treatment device, the sewage treatment device includes a shielding box 5, an anoxic tank 6, an aerobic tank 7, a membrane filtration tank, and a clean water tank 9, the shielding case 5 is installed on ground, install the oxygen deficiency pond 6, good oxygen pond 7, membrane filtration pond and the clean water basin 9 that connect gradually in the shielding case 5, install the sewage pipe 42 of being connected with oxygen deficiency pond 6 on the delivery port of elevator pump 41, can keep off oxygen deficiency pond 6, good oxygen pond 7, membrane filtration pond and clean water basin 9 through shielding case 5, make it more pleasing to the eye, good oxygen pond 7 installs the air-blower, and shielding case 5 top is arranged in to the air-blower, and the air outlet of air-blower is connected with the aeration pipe of arranging good oxygen pond 7 bottom in.

As shown in fig. 3, the membrane filtration tank includes a tank body 81 and a plurality of vertical partition plates 82 installed in the tank body 81, the plurality of vertical partition plates 82 divide the tank body 81 into upward steps along the sewage flow direction, so that sewage can form a step channel gradually upward along the water flow direction after flowing into the membrane filtration tank, a reverse osmosis membrane 83 is installed between the top of the vertical partition plate 82 and the bottom of the vertical partition plate 82 located at the rear side, a drain pipe 84 connected with the clean water tank 9 is installed at the bottom of the tank body 81 close to the clean water tank 9, and a plurality of solid chlorine sheets 85 are installed at the bottom of the membrane filtration tank. The pressure pump 91 is installed in the clean water tank 9, the pressure pump 91 is provided with the pressure resisting pipe 92, one end of the pressure resisting pipe 92 penetrates through the tank body 81 and then is arranged below the reverse osmosis membrane 83, and the pressure resisting pipe 92 below the reverse osmosis membrane 83 is provided with the high-pressure spray nozzle 93 for washing the reverse osmosis membrane 83. A drain pipe 86 communicated with the septic tank 2 is arranged at the bottom of one end of the membrane filter tank close to the aerobic tank 7, and a drain valve is arranged on the drain pipe 86 and is an electromagnetic valve.

As shown in fig. 2, a chemical feeding stirring device 10 is installed in the conditioning tank 4, the chemical feeding stirring device 10 includes a chemical feeding box 101, a chemical feeding stirrer 102, and a chemical mixing stirrer 103, the chemical feeding box 101 is installed above the conditioning tank 4, the chemical feeding stirrer 102 is installed in the chemical feeding box 101, a chemical feeding pipe 104 is installed below the chemical feeding box 101, the chemical mixing stirrer 103 is installed on a side wall of the chemical feeding box 101, and a stirring portion of the chemical mixing stirrer 103 is placed in the conditioning tank 4 below the chemical feeding pipe 104.

The utility model discloses a use method is:

domestic sewage flows into the septic tank 2 and is deposited in the septic tank 2, clear liquid on the upper part of the septic tank 2 is continuously raised, the raised clear liquid of the septic tank 2 overflows to the sewage inspection well 1 and also overflows to the grid tank 3, the grid plate 31 in the grid tank 3 can block large-volume floating objects in the septic tank 2, sewage filtered by the grid plate 31 flows into the regulating tank 4, at the moment, reagents such as a disinfectant, a flocculating agent and the like and water are added into the dosing tank 101, the dosing stirrer 102 is started to dissolve the reagents in the water, then the reagents flow into the regulating tank 4 through the dosing pipe 104, at the moment, the mixing stirrer 103 is started to uniformly mix the sewage and the reagents, then the lifting pump 41 pumps the sewage in the regulating tank 4 to the anoxic tank 6 through the sewage pipe 42, the sewage in the anoxic tank 6 is subjected to anaerobic reaction, organic matters in the sewage are removed, and then the sewage is sent to the aerobic tank 7, further converting organic matters into inorganic matters, then, merging sewage into a reverse osmosis membrane 83 pool for filtering, enabling filtered clean water to flow through a solid chlorine sheet 85, enabling the solid chlorine sheet 85 to be partially dissolved in water, disinfecting the filtered water, enabling the disinfected water to flow into a clean water pool 9 through a drain pipe 84, detecting the disinfected water in the clean water pool 9, discharging the qualified water, accumulating separated sludge in the reverse osmosis membrane 83 pool at the bottom of one end, close to an aerobic pool 7, of the reverse osmosis membrane 83 pool, enabling the separated sludge to flow back into the septic tank 2 through a drain pipe 86, and finally, pumping away sludge at the bottom in the septic tank 2 along with a septic tank 2 vehicle.

The reverse osmosis membrane 83 is periodically backwashed, and during the backwashing, the pressure pump 91 sprays clean water in the clean water tank 9 out of the high-pressure spray head 93 through the pressure resisting pipe 92 to wash the reverse osmosis membrane 83 so as to prevent tiny suspended matters in sewage from blocking the reverse osmosis membrane 93.

The membrane filtering tank 8 is arranged on the shielding box 5 on the ground, and the membrane can be conveniently replaced in the later period.

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 (5)

1. The utility model provides a highway service area sewage complete sets treatment facility which characterized in that: including sewage inspection shaft, septic tank, grid pond, equalizing basin and sewage treatment plant, sewage inspection shaft, septic tank, grid pond, equalizing basin and sewage treatment plant connect gradually, the export of septic tank is higher than the entry of equalizing basin, the grid pond is installed between septic tank and equalizing basin, and grid bottom of the pool portion is equipped with the grid board of slope installation, the lower one end of grid board is leaned on and is close to the equalizing basin by the higher one end of septic tank, grid pond, the elevator pump of being connected with sewage treatment plant is installed to the equalizing basin bottom, sewage treatment plant includes shielded cell, oxygen deficiency pond, good oxygen pond, membrane filtration pond and clean water basin, install oxygen deficiency pond, good oxygen pond, membrane filtration pond and the clean water basin that connects gradually in the shielded cell, install the sewage pipe of being connected with the oxygen deficiency pond on the delivery port of elevator pump.

2. The complete set of highway service area sewage treatment equipment according to claim 1, wherein: the membrane filtration tank comprises a tank body and a plurality of vertical partition plates arranged in the tank body, the plurality of vertical partition plates divide the tank body into upward steps along the sewage flow direction, a reverse osmosis membrane is arranged between the top of each vertical partition plate and the bottom of each vertical partition plate located on the rear side, a drain pipe connected with the clean water tank is arranged at the bottom of the tank body close to the clean water tank, and a plurality of solid chlorine pieces are arranged at the bottom of the membrane filtration tank.

3. The complete set of highway service area sewage treatment equipment according to claim 1, wherein: install the force pump in the clear water pond, install the withstand voltage pipe on the force pump, the below of arranging reverse osmosis membrane in behind the cell body is passed to the one end of withstand voltage pipe, install the high pressure nozzle that washes reverse osmosis membrane on the withstand voltage pipe of reverse osmosis membrane below.

4. The complete set of highway service area sewage treatment equipment according to claim 1, wherein: and a blow-off pipe communicated with the septic tank is arranged at the bottom of one end of the membrane filter tank, which is close to the aerobic tank, and a blow-off valve is arranged on the blow-off pipe.

5. The complete set of highway service area sewage treatment equipment according to claim 1, wherein: install in the equalizing basin and add medicine agitating unit, add medicine agitating unit and mix the medicine agitator including dosing tank, add the medicine agitator, the dosing tank is installed in the equalizing basin top, installs in the dosing tank and adds the medicine agitator, and the dosing tank below is installed and is added the pencil, mix the medicine agitator and install on the lateral wall of dosing tank, mix the stirring portion of medicine agitator and arrange in the equalizing basin of adding the pencil below.

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