CN211445292U - Waste water treatment device for oil extraction in oil field - Google Patents

Abstract

The utility model relates to a wastewater treatment device for oil extraction in an oil field, which comprises a box body, a water inlet and a water outlet; the right side intercommunication of precipitation tank has the water delivery passageway, the fixed booster pump that is provided with in left end of water delivery passageway, the end of booster pump is provided with a set of coarse filtration net, the bottom of water delivery passageway is provided with a set of thin filter screen, thin filter screen sets up to the arc structure, be provided with under the thin filter screen and fix the neutralization groove in the box inside, the inside in neutralization groove is the rectangle and arranges and install a plurality of groups of cones, a plurality of groups of neutralizer spouts have been seted up on the surface of cone, the bottom intercommunication of cone has the agent pipe of setting bottom in the box, the bottom intercommunication of agent pipe has the neutralizer case, be provided with the booster pump on the agent pipe, the water pump groove of two sets of symmetries is seted up to the inside in neutralization groove. The utility model has the advantages that: the waste liquid neutralization is uniform and fast, the efficiency is high, and the output quality is high.

Description

Waste water treatment device for oil extraction in oil field

Technical Field

The utility model relates to an oil field oil recovery technical field, concretely relates to effluent treatment plant is used in oil field oil recovery.

Background

In the production of oil fields, the production of crude oil and the production of water are always accompanied, the condition that production sewage needs to be discharged often appears, the disordered discharge threatens the environmental protection of soil, and the soil polluted by the sewage in the oil fields cannot be cultivated for years or even decades.

Chinese patent (publication No. CN 207877458U, bulletin date: 2018.09.18) discloses a wastewater treatment device for oil extraction in oil field, which comprises a first filter chamber, a feeding pipe, a feeding nozzle, a filter screen, a platform, a pneumatic rod mounting seat, a pneumatic rod, a push plate, a intercommunicating pore, an impurity collecting chamber, a first valve plate, an impurity discharging pipe, a communicating pipe, a medicament filling pipe, a second filter chamber, a sliding rail, a sliding rod, a rotating shaft, a stirring rod, a driving motor, a waterproof housing, a mounting rod, a jetting pipe, a spraying pipe, a nozzle, a water pipe, a discharging pipe, a second valve plate and a hydraulic cylinder. However, the device does not neutralize the waste liquid, so that the discharged waste liquid is easily corrosive, influences the soil environment and is more harmful.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least one kind of defect among the prior art, provides an oil field is effluent treatment plant for oil recovery.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

a wastewater treatment device for oil extraction in an oil field comprises a box body, a water inlet and a water outlet; the box sets up to the rectangle structure, and the water inlet has been seted up on the left side wall upper portion of box, and the delivery port has been seted up to the right side wall lower part of box, through inputing the waste water for the oil recovery of pending into the box. The right-hand member intercommunication of water inlet has the left precipitation tank of setting in the box top, input the precipitation tank through the waste water for oil recovery with pending and deposit, the right side intercommunication of precipitation tank has the water delivery passageway, the left end of water delivery passageway is fixed and is provided with the booster pump, the end of booster pump is provided with a set of coarse filtration net, the setting of coarse filtration net is arranged in filtering the waste water that enters into the water delivery passageway, can go into the water delivery passageway with the waste water pump after deposiing in the precipitation tank through the booster pump, the right-hand member middle part of water delivery passageway supports through the bracing piece, the right-hand member fixed mounting of bracing piece is on the inside wall of box. The bottom of water delivery passageway is provided with a set of fine filter screen, and fine filter screen sets up to the arc structure, can filter the waste liquid that enters into in the water delivery passageway once more through fine filter screen.

The neutralizing tank fixed in the tank body is arranged right below the fine filtering net, a plurality of groups of cones are arranged in the neutralizing tank in a rectangular mode, a plurality of groups of neutralizing agent nozzles are formed in the surface of each cone, the bottom end of each cone is communicated with a neutralizing agent pipe arranged at the bottom in the tank body, the bottom end of each neutralizing agent pipe is communicated with a neutralizing agent box, a booster pump is arranged on each neutralizing agent pipe, neutralizing agents in the neutralizing agent boxes can be pumped into the neutralizing agent pipes through the booster pumps, and then the neutralizing agents are sprayed out through the neutralizing agent nozzles on the surface of the cone body. Two sets of symmetrical water pump tanks are arranged in the neutralization tank, two sets of water pumps are arranged on the upper side and the lower side of the inside of the water pump tank, liquid in the water pump tank can be driven to flow by starting the water pumps, the reaction rate of waste liquid in the neutralization tank and a neutralizer is accelerated, and the quality of wastewater treatment is improved.

As a further aspect of the present invention: the bottom of the right end of the water delivery channel is arranged to be trumpet-shaped, so that waste liquid can flow downwards conveniently.

As a further aspect of the present invention: and the middle part of the water delivery channel is provided with a group of control valves for controlling the flow of waste liquid in the water delivery channel.

As a further aspect of the present invention: the left end of delivery port is provided with a set of PH detector, and setting up of PH detector is used for detecting whether the pH value of the waste liquid of treating the output accords with the standard of discharging, if accord with then discharges through the delivery port, if do not accord with then once more through carrying out acid-base neutralization.

Compared with the prior art, the beneficial effects of the utility model are that: the settling tank is arranged to facilitate automatic separation of the waste liquid from impurities; the waste liquid is neutralized by arranging the neutralization tank, so that the discharged waste liquid is ensured to be non-corrosive; the water pump tank is arranged in the neutralizing tank, so that the neutralizing agent and the waste liquid can react quickly; the uniformity of spraying can be improved by spraying the neutralizing agent through the neutralizing agent on the surface of the cone. The utility model has the advantages that: the waste liquid neutralization is uniform and fast, the efficiency is high, and the output quality is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the wastewater treatment device for oil recovery in oil field.

FIG. 2 is a schematic diagram of a top view of a neutralization tank in a wastewater treatment apparatus for oil recovery in an oil field.

FIG. 3 is a schematic perspective view of a neutralization tank in the wastewater treatment device for oil recovery in an oil field.

Wherein: the device comprises a box body 10, a water inlet 11, a water outlet 12, a sedimentation tank 13, a booster pump 14, a coarse filter screen 15, a water delivery channel 16, a control valve 17, a fine filter screen 18, a neutralizing tank 19, a neutralizing agent box 20, an agent pipe 21, a water pump tank 22, a water pump 23, a neutralizing agent nozzle 24, a cone 25 and a PH detector 26.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1-3, a wastewater treatment device for oil extraction in oil field comprises a tank 10, a water inlet 11 and a water outlet 12; the tank 10 is of a rectangular structure, a water inlet 11 is formed in the upper portion of the left side wall of the tank 10, a water outlet 12 is formed in the lower portion of the right side wall of the tank 10, and wastewater for oil recovery to be treated is input into the tank 10. The right-hand member intercommunication of water inlet 11 has the left precipitation tank 13 of setting top in box 10, deposits in inputting the precipitation tank 13 through the waste water for the oil recovery with pending, and the right side intercommunication of precipitation tank 13 has water delivery passageway 16, and the left end of water delivery passageway 16 is fixed and is provided with booster pump 14, can go into water delivery passageway 16 with the waste water pump after deposiing in the precipitation tank 13 through booster pump 14 in, the end of booster pump 14 is provided with a set of coarse filtration net 15, and coarse filtration net 15's setting is arranged in filtering the waste water that enters into in water delivery passageway 16. The bottom of the right end of the water delivery channel 16 is flared to facilitate the downward flow of the waste liquid. The middle part of the right end of the water delivery channel 16 is supported by a support rod, and the right end of the support rod is fixedly arranged on the inner side wall of the box body 10. The middle part of the water delivery channel 16 is provided with a group of control valves 17 for controlling the flow of waste liquid inside the water delivery channel 16. The bottom end of the water delivery channel 16 is provided with a group of fine filter screens 18, the fine filter screens 18 are arranged in an arc structure, and waste liquid entering the water delivery channel 16 can be filtered again through the fine filter screens 18.

A neutralizing tank 19 fixed in the box body 10 is arranged right below the fine filter screen 18, a plurality of groups of cones 25 are arranged in the neutralizing tank 19 in a rectangular shape, a plurality of groups of neutralizer nozzles 24 are arranged on the surface of each cone 25, the bottom end of each cone 25 is communicated with an agent pipe 21 arranged at the bottom in the box body 10, the bottom end of each agent pipe 21 is communicated with a neutralizer box 20, a booster pump 14 is arranged on each agent pipe 21, and neutralizers in the neutralizer boxes 20 can be pumped into the agent pipes 21 through the booster pumps 14 and then are ejected outwards through the neutralizer nozzles 24 on the surface of each cone 25. Two sets of symmetrical water pump grooves 22 are formed in the neutralization groove 19, two sets of water pumps 23 are arranged on the upper side and the lower side of the interior of the water pump grooves 22, liquid in the water pump grooves 22 can be driven to flow by starting the water pumps 23, the reaction rate of waste liquid in the neutralization groove 19 and a neutralizing agent is increased, and the quality of wastewater treatment is improved.

The utility model discloses a theory of operation is: firstly, inputting oil extraction wastewater to be treated into a precipitation tank 13 through a water inlet 11 for precipitation for a period of time, then after the middle wastewater in the precipitation tank 13 is separated from impurities, starting a booster pump 14 to pump the upper water into a water conveying channel 16, then filtering the water through a fine filter screen 18 and then falling into a neutralization tank 19 for neutralization, then spraying a neutralizing agent in a neutralizing agent tank 20 into the neutralization tank 19 through a neutralizing agent nozzle 24 on a cone 25 to neutralize the wastewater in the neutralization tank 19, starting a water pump 23 in a water pump tank 22 during the neutralization process, driving liquid in the water pump tank 22 to flow, thereby accelerating the neutralization speed of the neutralizing agent and the wastewater, and discharging the wastewater through a water outlet 12 after the neutralization is finished.

Example two

On the basis of the first embodiment, the left end of the water outlet 12 is provided with a group of PH detectors 26, the PH detectors 26 are arranged to detect whether the PH value of the waste liquid to be output meets the discharge standard, if so, the waste liquid is discharged through the water outlet 12, and if not, the waste liquid is neutralized again by acid and alkali.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A wastewater treatment device for oil extraction in oil fields comprises a box body (10), a water inlet (11) and a water outlet (12); the box body (10) is set to be in a rectangular structure, a water inlet (11) is formed in the upper portion of the left side wall of the box body (10), a water outlet (12) is formed in the lower portion of the right side wall of the box body (10), and the water inlet is characterized in that the right end of the water inlet (11) is communicated with a precipitation tank (13) arranged on the left side of the inner top of the box body (10), a water delivery channel (16) is communicated with the right side of the precipitation tank (13), a booster pump (14) is fixedly arranged at the left end of the water delivery channel (16), a group of coarse filter screens (15) are arranged at the tail end of the booster pump (14), a group of fine filter screens (18) are arranged at the bottom end of the water delivery channel (16), the fine filter screens (18) are set to be in an arc-shaped structure, a neutralization tank (19) fixed inside the box body (10) is arranged under the fine filter screens (18, the bottom end of the cone (25) is communicated with a chemical tube (21) arranged at the bottom in the box body (10), the bottom end of the chemical tube (21) is communicated with a neutralizing agent box (20), a booster pump (14) is arranged on the chemical tube (21), two groups of symmetrical water pump grooves (22) are formed in the neutralizing tank (19), and two groups of water pumps (23) are arranged on the upper side and the lower side in the water pump grooves (22).

2. The oil field wastewater treatment device according to claim 1, wherein the bottom of the right end of the water delivery channel (16) is flared.

3. The wastewater treatment device for oil extraction in oil field of claim 2, wherein the middle part of the right end of the water delivery channel (16) is supported by a support rod, and the right end of the support rod is fixedly arranged on the inner side wall of the box body (10).

4. The oil field wastewater treatment device according to claim 3, characterized in that the middle of the water delivery channel (16) is provided with a group of control valves (17) for controlling the flow of waste liquid inside the water delivery channel (16).

5. The device for treating the wastewater for the oil extraction in the oil field according to any one of claims 1 to 4, wherein a group of PH detectors (26) are arranged at the left end of the water outlet (12).

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