CN205275383U - Portable skid -mounted oil gas field effluent treatment plant - Google Patents

Abstract

The utility model discloses a mobile skid-mounted wastewater treatment device for oil and gas fields, which comprises a chassis and a universal wheel connected thereto. A wastewater treatment device is connected to the upper part of the chassis, and an anti-corrosion layer is connected to the bottom of the chassis. The waste water treatment device comprises an air flotation chamber, a filter chamber, and a disinfection chamber which are communicated in sequence. A waste water inlet is provided at the lower part of the air flotation chamber, and a multi-layer dissolved air water distributor is arranged in the air flotation chamber. The multi-layer dissolved air water distributors are all in communication with the dissolved air water generation system, and a blade type air scum scraper is provided on the upper side of the air flotation chamber, and the blade type air scum scraper is driven by a motor , an air scum discharge port is provided on the side of the air flotation chamber. The waste water treated by the utility model through the three-step physical method can meet the requirement of fine water injection in the oil field, the operation cost of the whole process is low, and the precious water resource is saved, which is beneficial to the protection of the environment.

Description

A mobile skid-mounted oil and gas field wastewater treatment device

technical field

The utility model relates to the field of oil field wastewater treatment equipment, in particular to a mobile skid-mounted oil and gas field wastewater treatment device.

Background technique

At present, most oil fields in my country have entered the middle and late stage of oil exploitation, and the water content in the produced fluid is 70-80%, and some oil fields even reach as high as 90%, and with the increase of mining time, the water content continues to increase, so The amount of waste water produced in my country's oil fields is very large. If such a large amount of produced water is directly discharged outside, it will cause very serious environmental pollution problems and waste precious water resources at the same time. If the oily wastewater is treated and reinjected into the formation to supplement the pressure of the formation, not only can avoid environmental pollution, but also save a lot of water resources. Treatment and reinjection of oily wastewater is an important way to achieve sustainable development of oilfields and improve economic benefits of oilfields and save costs. In the prior art, the treatment equipment for oilfield produced water is too simple, the treatment effect is low, and it cannot meet the high-quality treatment requirements of a large amount of oilfield produced water.

Utility model content

In order to overcome the defects in the prior art, a mobile skid-mounted oil and gas field wastewater treatment device is provided.

The utility model is realized through the following scheme:

A mobile skid-mounted oil and gas field wastewater treatment device, including a chassis and universal wheels connected thereto, a wastewater treatment device is connected to the upper part of the chassis, and an anti-corrosion layer is connected to the bottom of the chassis, the wastewater treatment device It includes an air flotation chamber, a filter chamber, and a disinfection chamber connected in sequence. A waste water inlet is provided at the lower part of the air flotation chamber, and a multi-layer dissolved air water distributor is arranged in the air flotation chamber. The multi-layer dissolved air The air-water distributors are all in communication with the dissolved air water generation system. A blade-type air-scum scraper is provided on the upper side of the air-floatation chamber. The blade-type air-scum scraper is driven by a motor. There is an air scum discharge outlet on the side of the floating chamber, and the filter chamber is divided into pebble layer, fine sand layer, anthracite layer, quartz sand layer and activated carbon layer from top to bottom. There are multiple ultraviolet sterilizing lamps, and a drain is arranged on the sterilizing chamber.

The dissolved air water generation system includes a dissolved air pump and an air dissolved tank, and the dissolved air tank is respectively connected to the dissolved air pump and the air compressor. Distributor corresponds to connectivity.

An air scum deflector is arranged on the inner wall of the air flotation chamber at a position corresponding to the air scum discharge port, and the air scum deflector is an upwardly curved plate structure.

A shaft is arranged in the disinfection chamber, and a plurality of propeller-like agitators are arranged on the shaft.

A deflector is arranged at the drain of the disinfection chamber, and the deflector is an arc-shaped plate, and the deflector is fixed on the inner wall of the disinfection chamber through a support rod.

The beneficial effects of the utility model are:

1. The utility model provides a mobile skid-mounted oil and gas field wastewater treatment device, which is equipped with an air flotation chamber, a filter chamber, and a disinfection chamber. The wastewater can remove oily substances in the wastewater through the air flotation chamber, which has a huge cost advantage. However, the effect of removing suspended solids is poor, and it cannot meet the requirements of fine water injection in oil fields. Therefore, the wastewater treated in the air flotation chamber is then filtered through the filter chamber to remove suspended solids in the wastewater, and finally the wastewater is disinfected. , to prevent pollution caused by the proliferation of toxic and harmful microorganisms. The wastewater treated by these three-step physical methods can meet the requirements of fine water injection in oil fields. The operation cost of the whole process is low, and precious water resources are saved, which is conducive to protecting the environment;

The utility model provides a filter chamber of a mobile skid-mounted oil and gas field wastewater treatment device which is divided into a cobblestone layer, a fine sand layer, anthracite layer, a quartz sand layer and an activated carbon layer from top to bottom. The wastewater treated by the air flotation chamber is filtered The room is successively filtered through the filter material from coarse to fine, which can effectively remove the suspended solids in the wastewater;

3. The utility model provides a mobile skid-mounted oil and gas field wastewater treatment device. An air scum guide plate is provided on the inner wall of the air flotation chamber at a position corresponding to the air scum discharge port. Because the air scum has a small density, It is very easy to bypass the air scum deflector and enter the air scum discharge port to discharge, while the waste water will not flow out, ensuring that the whole process is carried out in an orderly manner;

4. The utility model provides a mobile skid-mounted oil and gas field wastewater treatment device with an anti-corrosion layer connected to the bottom of the chassis. The setting of the anti-corrosion layer can effectively prevent the working environment from corroding the utility model and significantly prolong the use of the utility model Lifespan, the bottom of the utility model is provided with universal wheel, facilitates the utility model to move, is convenient to the work of the utility model.

Description of drawings

Fig. 1 is a structural schematic diagram of a mobile skid-mounted oil and gas field wastewater treatment device of the present invention;

In the figure: 1 is the universal wheel, 2 is the chassis, 3 is the anti-corrosion layer, 4 is the air flotation chamber, 5 is the filter chamber, 6 is the disinfection chamber, 7 is the waste water inlet, 8 is the dissolved air water distributor, and 9 is the Blade type air scum scraper, 10 is the air scum discharge port, 11 is the dissolved air pump, 12 is the dissolved air tank, 13 is the air compressor, 14 is the air scum deflector, 15 is the cobblestone layer, 16 is the fine Sand layer, 17 is anthracite layer, 18 is quartz sand layer, 19 is activated carbon layer, 20 is ultraviolet sterilizing lamp, 21 is water outlet, and 22 is axle bar, and 23 is agitator, and 24 is guide plate, and 25 is motor.

detailed description

Below in conjunction with Fig. 1 and specific embodiment the utility model is further described:

A mobile skid-mounted oil and gas field wastewater treatment device, including a chassis 2 and a universal wheel 1 connected thereto, a wastewater treatment device is connected to the upper part of the chassis 2, and an anti-corrosion layer 3 is connected to the bottom of the chassis 2, The utility model provides a mobile skid-mounted oil and gas field wastewater treatment device with an anti-corrosion layer connected to the bottom of the chassis. The anti-corrosion layer can effectively prevent the working environment from corroding the utility model and significantly prolong the service life of the utility model.

The waste water treatment device comprises an air flotation chamber 4, a filter chamber 5, and a disinfection chamber 6 which are connected successively before and after. A waste water inlet 7 is provided at the bottom of the air flotation chamber 4, and multiple Laminar dissolved air water distributor 8, said multi-layer dissolved air water distributor 8 is correspondingly communicated with the dissolved air water generating system, and a vane type air scum scraper 9 is arranged on the upper side of said air flotation chamber 4, so The blade-type air scum scraper 9 is driven by a motor 25, and an air scum discharge port 10 is provided on the side of the air flotation chamber 4, and the filter chamber 5 is divided into a cobblestone layer 15, a fine scum layer from top to bottom. Sand layer 16 , anthracite layer 17 , quartz sand layer 18 and activated carbon layer 19 are provided with a plurality of ultraviolet disinfection lamps 20 on the inner wall of the disinfection chamber 6 , and a water outlet 21 is provided on the disinfection chamber 6 . The utility model provides a filter chamber of a mobile skid-mounted oil and gas field wastewater treatment device which is divided into a cobblestone layer, a fine sand layer, anthracite layer, a quartz sand layer and an activated carbon layer from top to bottom. The wastewater treated by the air flotation chamber is filtered The chamber is successively filtered through the filter material from coarse to fine, which can effectively remove the suspended solids in the wastewater.

The utility model provides a mobile skid-mounted oil and gas field wastewater treatment device, which is equipped with an air flotation chamber, a filter chamber, and a disinfection chamber. The waste water can remove oily substances in the waste water through the air flotation chamber, which has a huge cost advantage, but in The effect of removing suspended solids is poor and cannot meet the requirements of fine water injection in oil fields. Therefore, the wastewater treated in the air flotation chamber is then filtered through the filter chamber to remove suspended solids in the wastewater, and finally the wastewater is disinfected to prevent The pollution caused by the proliferation of toxic and harmful microorganisms, the wastewater treated by these three-step physical methods can meet the requirements of fine water injection in oil fields. The operation cost of the whole process is low, and precious water resources are saved, which is conducive to protecting the environment.

A shaft 22 is arranged in the disinfection chamber 6 , and a plurality of propeller-shaped agitators 23 are arranged on the shaft 22 . A deflector 24 is arranged at the water outlet 21 of the disinfection chamber 6 , and the deflector 24 is an arc-shaped plate, and the deflector 24 is fixed on the inner wall of the disinfection chamber 6 through a support rod. The dissolved air water generation system includes a dissolved air pump 11 and an air dissolved tank 12, the dissolved air tank 12 is respectively connected to the dissolved air pump 11 and the air compressor 13, and the dissolved air water outlet of the dissolved air tank 12 passes through a pipeline It communicates with the multi-layer dissolved air water distributor 8 correspondingly. The dissolved air water generation system uses the principle of jet suction. The air is supplied by the air compressor. Under a certain working pressure, through the high-speed movement of the water flow, the air is dissolved into the water to the maximum extent in the shortest time to form a saturated solution. The gas water, released through the multi-layer dissolved gas water distributor, produces a large number of fine air bubbles and introduces them into the water to be treated. Utilize the buoyancy of the bubbles attached to the solid impurities to achieve rapid separation of solid and liquid, and quickly and efficiently separate the oily substances in the wastewater. Wherein, the detailed structure and detailed principle of the dissolved air water generation system are known in the prior art, and will not be repeated here.

An air scum deflector 14 is provided on the inner wall of the air flotation chamber 4 at a position corresponding to the air scum discharge port 10 , and the air scum deflector 14 is an upwardly curved plate-shaped structure. The utility model provides a mobile skid-mounted oil and gas field wastewater treatment device. An air scum deflector is arranged on the inner wall of the air flotation chamber at a position corresponding to the air scum discharge port. Because the air scum has a small density, it can be very It is easy to bypass the air scum deflector and enter the air scum discharge port for discharge, while the waste water will not flow out, ensuring the orderly progress of the whole process.

Although the technical solutions of the present utility model have been elaborated and enumerated in detail, it should be understood that for those skilled in the art, it is necessary for those skilled in the art to make modifications to the above-mentioned embodiments or adopt equivalent alternatives. It is obvious that these modifications or improvements made on the basis of not departing from the spirit of the utility model all belong to the protection scope of the utility model.

Claims (5)

1. A mobile skid-mounted oil and gas field wastewater treatment device, comprising a chassis (2) and a universal wheel (1) connected thereto, characterized in that: the top of the chassis (2) is connected with a wastewater treatment device, The bottom of the chassis (2) is connected with an anti-corrosion layer (3), and the waste water treatment device includes an air flotation chamber (4), a filter chamber (5), and a disinfection chamber (6) which are communicated in sequence. The bottom of the chamber (4) is provided with a waste water inlet (7), and a multi-layer dissolved air water distributor (8) is provided in the air flotation chamber (4), and the multi-layer dissolved air water distributor (8) All communicate with the dissolved air water generating system correspondingly, the upper side of the air flotation chamber (4) is provided with a blade type air scum scraper (9), and the blade type air scum scraper (9) passes through the motor ( 25) driving, the side of the air flotation chamber (4) is provided with an air scum discharge port (10), and the filter chamber (5) is successively divided into a cobblestone layer (15), a fine sand layer from top to bottom. (16), anthracite bed (17), quartz sand bed (18) and active carbon bed (19), are provided with a plurality of ultraviolet disinfection lamps (20) on the inwall in described disinfection chamber (6), in described disinfection Chamber (6) is provided with drain outlet (21). 2. A mobile skid-mounted oil and gas field wastewater treatment device according to claim 1, characterized in that: the dissolved air water generating system includes a dissolved air pump (11) and an air dissolved tank (12), and the dissolved air tank (12) are correspondingly connected with the dissolved air pump (11) and the air compressor (13) respectively, and the dissolved air water outlet of the described dissolved air tank (12) is correspondingly communicated with the multi-layer dissolved air water distributor (8) through pipelines. 3. A mobile skid-mounted oil and gas field wastewater treatment device according to claim 1, characterized in that: a position corresponding to the air scum discharge port (10) is provided on the inner wall of the air flotation chamber (4) There is an air scum deflector (14), and the air scum deflector (14) is an upwardly curved plate structure. 4. A mobile skid-mounted oil and gas field wastewater treatment device according to claim 1, characterized in that: a shaft (22) is provided in the disinfection chamber (6), and on the shaft (22) A plurality of propeller-shaped agitators (23) are provided. 5. A kind of mobile skid-mounted oil and gas field wastewater treatment device according to claim 1, characterized in that: a deflector (24) is provided at the drain (21) of the disinfection chamber (6), and the The deflector (24) is an arc-shaped plate, and the deflector (24) is fixed to the inner wall of the disinfection chamber (6) through a support rod.