CN217297490U - Sewage treatment system of filling station - Google Patents

Abstract

The utility model discloses a sewage treatment system of filling station, including handling the case, handle incasement portion and set up vertical baffle, fix at the processing roof portion baffle upper end, the lower extreme is equipped with the opening, and the opening part is equipped with vertical deoiling filter screen, it still is equipped with the level deoiling filter screen to handle incasement portion, and level deoiling filter screen one end is established in handling case entry below, and the other end is established on the baffle, the processing roof portion is equipped with the notes liquid mouth that is used for pouring into the grease and divides the solution, handles case exit linkage rainwater garden, the baffle-box that is used for interim water storage in waterlogging period is connected to the rainwater garden. The device combines together rainwater garden and the sewage treatment of filling station, and sewage is handled, is purified, is recycled through the multiprogramming, improves sewage treatment efficiency, reduces the waste and the environmental pollution of water resource, utilizes the baffle-box effectively to alleviate filling station's waterlogging problem simultaneously.

Description

Sewage treatment system of filling station

Technical Field

The utility model relates to a rainwater, groundwater processing system especially relate to a sewage treatment system of filling station.

Background

The oil product of the gas station has the characteristics of easy volatilization, easy diffusion, toxicity and the like, and the initial rainwater pollution degree is higher after the rain falls to the ground due to the fact that partial oily natural gas, automobile tail gas and other gases are dissolved in the rain. In addition, the service stations have the services of car washing, toilet flushing, oil tank cleaning and the like, the water consumption is large, oily gas is contained in the wastewater, and if the wastewater is directly discharged into a sewer without proper treatment, the environmental pollution is caused. At present, the traditional urban sewage drainage system is adopted in gas stations in China, so that the efficiency is low, the water resource waste is serious, and in addition, the waterlogging disaster is easily caused during rainstorm.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a sewage treatment system of filling station that decontamination treatment effect is good, can improve water resource utilization rate, prevent waterlogging calamity.

The technical scheme is as follows: a sewage treatment system of filling station, including handling the case, handle incasement portion and set up vertical baffle, fix at the processing roof portion baffle upper end, the lower extreme is equipped with the opening, and the opening part is equipped with vertical deoiling filter screen, handle incasement portion and still be equipped with the level and remove oil filter screen, level deoiling filter screen one end is established in handling case entry below, and the other end is established on the baffle, the processing roof portion is equipped with the notes liquid mouth that is used for pouring into the grease and divides the solution, handles case exit linkage rainwater garden, the baffle-box that is used for interim water storage in waterlogging period is connected to the rainwater garden.

Preferably, the treatment tank is provided with two inlets which are respectively connected with the drainage device and the extraction device.

Preferably, drainage device includes escape canal and overflow inlet for stom water, converges the rainwater and connects the back through the downspout and handle the case, and the junction sets up first valve and first filter screen, filters large granule pollutant.

Preferably, the extraction device includes elevator pump and riser for handle the oily waste water suction in the sewer pipe in the treatment tank, the riser is controlled by the elevator pump, sewer pipe is connected to one end, the other end connection treatment tank, the junction sets up second valve and second filter screen, filters large granule pollutant.

Preferably, the lift pump is a deep well submersible pump.

Preferably, the rainwater garden comprises a water storage layer, a planting soil layer, an artificial packing layer, a sand layer and a gravel layer which are sequentially arranged from top to bottom, and the buffer tank is connected with the planting soil layer through a buffer pipe.

Preferably, the buffer boxes are provided with a plurality of buffer boxes which are distributed around the planting soil layer.

Preferably, a telescopic rod is arranged in the buffer box, one end of the telescopic rod is connected with the motor, and the other end of the telescopic rod is connected with the sliding plate; the buffer bin entrance sets up third filter screen and third valve, avoids planting the soil inflow buffer bin in the soil layer when filtering little particulate matter.

Preferably, still include retaining circulation device, retaining circulation device includes the cistern, the cistern entry linkage rainwater garden's gravel layer, and the junction sets up the fourth filter screen, further filters tiny particulate matter, prevents simultaneously that the gravel from falling into outlet conduit and leading to the jam, exit linkage filling station water end.

Preferably, the treatment tank is provided with another outlet, the outlet is connected with an oil water pipeline, and a fourth valve is arranged at the joint.

Has the advantages that: compared with the prior art, the utility model, have following advantage: 1. the rainwater garden is combined with the sewage treatment of the gas station, and sewage is treated, purified and reused through a plurality of programs, so that the sewage treatment efficiency is improved, and the waste of water resources and environmental pollution are reduced; 2. due to the arrangement of the buffer tank, the situation that rainwater flows back and flows backwards into the rainwater garden when the rainfall is too large can be prevented on the one hand, and on the other hand, the situation that plants in the rainwater garden die due to water shortage during drought can be effectively prevented, so that the normal operation of the rainwater garden is guaranteed.

Drawings

Fig. 1 is a top view of the structure of the present invention;

fig. 2 is a front view of the structure of the present invention;

fig. 3 is a structural diagram of the buffer box of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

As shown in the figures 1-2, the utility model discloses a sewage treatment system of a gas station, including processing case 1, processing case 1 is equipped with two entrance points, is connected with drainage device 4 and first extraction device 5 respectively. Drainage device 4 includes escape canal 401, overflow inlet for stom water 402, and escape canal 401 and overflow inlet for stom water 402 converge the back and connect through downspout 403 and handle case 1, and the junction sets up first valve 6 and first filter screen 7, filters the large granule pollutant. The extraction device 5 comprises a lifting pump 501 and a lifting pipe 502, the lifting pipe 502 is controlled by the lifting pump 501, one end of the lifting pipe is connected with the sewer pipeline 17, the other end of the lifting pipe is connected with the treatment box 1, and the joint is provided with a second valve 8 and a second filter screen 9 for filtering large-particle pollutants. The lift pump 501 is a deep well submersible pump.

Handle 1 inside vertical baffle 101 that sets up of case, the baffle upper end is fixed at the processing case top, and the lower extreme is equipped with the opening, and the opening part is equipped with vertical deoiling filter screen 102, handle 1 inside horizontal deoiling filter screen 103 that still is equipped with of case, horizontal deoiling filter screen 103 one end is established in handling case entry below, and the other end is established on baffle 101, it is equipped with the notes liquid mouth 104 that is used for pouring into the grease decomposition liquid to handle 1 top of case. All be equipped with a large amount of honeycomb activated carbons and oil absorption sponge in vertical deoiling filter screen 102 and the horizontal deoiling filter screen 103, can get rid of the greasy dirt that adsorbs at its surface when improving oil absorption efficiency. The outlet of the treatment box is connected with the rainwater garden 2, and the joint of the treatment box and the rainwater garden is provided with a fifth valve 14. The treatment box 1 is provided with another outlet which is connected with an oil water pipeline, and the joint is provided with a fourth valve 13.

The rainwater garden 2 comprises a water storage layer 201, a planting soil layer 202, an artificial packing layer 203, a sand layer 204 and a gravel layer 205 which are sequentially arranged from top to bottom, and a buffer tank 3 is arranged around the rainwater garden 2 and used for temporarily storing water in an inland inundation period. Buffer tank 3 is equipped with 3, distributes around planting soil layer 202, connects planting soil layer 202 through buffer tube 10.

As shown in fig. 3, an expansion link 302 is arranged inside the buffer tank 3, one end of the expansion link 302 is connected with a motor 301, and the other end is connected with a sliding plate 303; the inlet of the buffer tank 3 is provided with a third valve 11 and a third filter screen 12, so that the soil in the planting soil layer 502 is prevented from flowing into the buffer tank 6 while small particles are filtered.

The outlet end of the rainwater garden 2 is connected with a reservoir 15, a fourth filter screen 16 is arranged at the joint of the rainwater garden and the rainwater garden to further filter fine particles and prevent gravel from falling into a water outlet pipeline to cause blockage, and the outlet end of the reservoir 15 is connected with a water using end of a gas station through an extraction device and used for washing vehicles, flushing toilets, cleaning oil tanks and other services.

The utility model discloses a theory of operation is: during rainfall, open first valve 6 and fifth valve 14, close second valve 8 and fourth valve 13, filling station's road surface rainwater flows into through downspout 403 and handles case 1 after drainage ditch 401, overflow inlet for stom water 402 converge, and the first filter screen 7 that the junction set up filters large granule pollutant. Rainwater enters the treatment tank 1, is subjected to primary oil absorption filtration by the horizontal oil removal filter screen 103 and secondary oil absorption filtration by the vertical oil removal filter screen 102, and the wastewater is subjected to oil-water separation by the honeycomb-shaped activated carbon and the oil absorption sponge to remove part of floating oil and emulsified oil, so that primary treatment and purification are completed; and the lower end of the clapboard 101 is lower than the inlet of the treatment tank 1, so that the treatment tank is divided into two parts to play a role in intercepting floating oil on the surface of the wastewater.

When there is no rainfall, the second valve 8 and the fifth valve 14 are opened, the first valve 6 and the fourth valve 13 are closed, the wastewater in the sewer pipeline 17 is pumped into the treatment box 1 through the lift pump 501, and the large-particle pollutants are filtered by the second filter screen 9 arranged at the joint. Waste water in the sewer pipe enters into the treatment box 1, is filtered through the first oil absorption of horizontal deoiling filter screen 103 and is filtered through the second oil absorption of vertical deoiling filter screen 102, carries out oil-water separation, gets rid of partial oil slick and emulsified oil, accomplishes preliminary treatment and purifies.

When the oil content in the wastewater is high or the oil is excessively adsorbed by the vertical oil removal filter screen 102 and the horizontal oil removal filter screen 103, the first valve 6, the second valve 8, the fourth valve 13 and the fifth valve 14 are closed, the liquid injection port 104 is opened, the oil decomposition liquid is injected into the treatment tank 1, the fourth valve 13 is opened after the oil is decomposed, and the decomposed oil and water are discharged through an oil-water pipeline.

The water purified by the primary treatment flows into the rainwater garden 2 for layer-by-layer filtration and purification. A buffer tank 3 is arranged around the rain garden 2, said buffer tank 3 being connected to the planting soil layer 202 by a buffer tube 10. When a heavy rain occurs, the motor 301 in the buffer box 3 drives the telescopic rod 302 to lift the sliding plate 303, and part of the rain water enters the buffer box 3 through the buffer tube 10. During the arid, motor 301 drives telescopic link 302 and pushes down sliding plate 303 in baffle-box 3, and the water that accumulates in baffle-box 3 flows out under the pressure effect, moistens the root system of plant in the rainwater garden, guarantees the normal operating of rainwater garden on the one hand, and on the other hand prevents waterlogging calamity and arid.

The water purified again in the rain garden 2 flows into the reservoir 15, and the water in the reservoir is extracted to the water using end of the gas station through the extraction device, so that the water can be used for washing vehicles, flushing toilets, cleaning oil tanks and other businesses. The spent wastewater flows into the sewer line 17 for the next round of treatment.

Claims (10)

1. The utility model provides a sewage treatment system of filling station, a serial communication port, including handling case (1), handle inside vertical baffle (101) that sets up of case (1), the baffle upper end is fixed at handling the roof portion, and the lower extreme is equipped with the opening, and the opening part is equipped with vertical deoiling filter screen (102), handle inside horizontal deoiling filter screen (103) that still is equipped with of case (1), horizontal deoiling filter screen (103) one end is established and is being handled case entry below, and the other end is established on baffle (101), it is equipped with notes liquid mouth (104) that are used for pouring into grease decomposition liquid to handle case (1) top, handles case exit linkage rainwater garden (2), buffer tank (3) that are used for the interim water storage of waterlogging period are connected in rainwater garden (2).

2. A gasoline station sewage treatment system according to claim 1, characterised in that the inlet of the treatment tank (1) is provided with two, respectively connected drainage means (4) and extraction means (5).

3. A gasoline station sewage treatment system according to claim 2, characterised in that said drainage means (4) comprises a drainage ditch (401) and an overflow gully (402), said drainage ditch (401) and overflow gully (402) being connected to said treatment tank (1) after confluence, and a first valve (6) and a first strainer (7) being provided at the junction.

4. A gasoline station sewage treatment system according to claim 2, characterised in that the extraction device comprises a lift pump (501) and a lift pipe (502), the lift pipe (502) is controlled by the lift pump (501), one end of the lift pipe is connected with the sewer pipe (17), the other end of the lift pipe is connected with the treatment tank (1), and a second valve (8) and a second filter screen (9) are arranged at the connection.

5. The gasoline station sewage treatment system of claim 4, wherein the lift pump (501) is a deep well submersible pump.

6. A gasoline station sewage treatment system as claimed in claim 1, c h a r a c t e r i z e d in that the rainwater garden (2) comprises in sequence from top to bottom an aquifer (201), a planting soil layer (202), an artificial filler layer (203), a sand layer (204) and a gravel layer (205), and the buffer tank (3) is connected to the planting soil layer (202) by a buffer tube (10).

7. A gasoline station sewage treatment system according to claim 6, characterised in that said buffer tank (3) is provided in several numbers, distributed around the planting soil layer (202).

8. The gas station sewage treatment system according to claim 1, wherein a telescopic rod (302) is arranged in the buffer tank (3), one end of the telescopic rod (302) is connected with the motor (301), and the other end is connected with the sliding plate (303); a third valve (11) and a third filter screen (12) are arranged at the inlet of the buffer tank (3).

9. A gasoline station sewage treatment system according to claim 1, further comprising a water storage circulation device, wherein the water storage circulation device comprises a water storage tank (15), the inlet of the water storage tank (15) is connected with the gravel layer (205) of a rainwater garden, a fourth filter screen (16) is arranged at the connection position, and the outlet is connected with the gasoline station water end.

10. A gasoline station sewage treatment system according to claim 1, characterised in that the treatment tank (1) is provided with another outlet, which is connected to a gasoline pipeline, where a fourth valve (13) is provided.

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