CN217708947U - Sled dress formula plasma oil field sewage treatment device - Google Patents

Abstract

The utility model belongs to the technical field of oil field production equipment, in particular to skid-mounted plasma oil field sewage treatment equipment, which comprises a water inlet pipe, a sewage collecting tank, a sewage tank, a second post-positioned reaction tank, a pulse power supply, a second purification water tank, a third air blower, a voltage regulating transformer, a purification water pump, a second high-pressure ion exchange reaction tank, a distribution box, a sludge discharge pump, a drainage pump, a first high-pressure ion exchange reaction tank, a first water inlet pump, a second water inlet pump, a first air blower, an air storage tank, a second air blower, a first purification water tank and a first post-positioned reaction tank; and the sewage enters a sewage tank for buffering and is lifted into the reaction tank by the water inlet pump for reaction treatment. The medium treated by the reaction tank is lifted and then placed in the reaction tank for further treatment, the treated medium reaches the discharge standard and is stored in a purified water tank, and the purified water pump is lifted and discharged. The oil field sewage treatment is carried out through extremely strong current generated by the high-voltage pulse power supply, the occupied area of the whole equipment is small, and the repeatable utilization rate is high.

Description

Sled dress formula plasma oil field sewage treatment device

Technical Field

The utility model belongs to the technical field of oil field production facility, concretely relates to sled dress formula plasma oil field sewage treatment device.

Background

One of the problems of widespread concern in the treatment of water pollution is the treatment of refractory organics. The advanced oxidation technology taking hydroxyl free radicals as an oxidant is an effective means for removing refractory organic matters. High voltage pulsed discharge, which forms a hybrid plasma, is the most studied form of corona discharge. The high-voltage pulse discharge plasma water treatment technology integrates multiple effects of high-energy electron bombardment, hydroxyl radical oxidation, ultraviolet light degradation, ozone oxidation and the like, has the advantages of high efficiency, good repeatability, no selectivity and the like for treating organic pollutants, has wide applicability for degrading the organic pollutants, and has wide application prospect. At present, no formed skid-mounted plasma oil field sewage treatment equipment is used for production in an oil field. Therefore, it is necessary to design a skid-mounted plasma oil field sewage treatment device.

SUMMERY OF THE UTILITY MODEL

The invention aims at providing skid-mounted plasma oil field sewage treatment equipment. This equipment has adopted the integrated mode of sled dress, and extremely strong electric current that produces through high voltage pulse power supply carries out oil field sewage treatment, and whole equipment area is little, and reuse rate is high, and low in production cost.

The utility model discloses a technical scheme do: a skid-mounted plasma oil field sewage treatment device is installed on a skid body and comprises a water inlet pipe, a sewage collecting tank, a sewage tank, a second rear reaction tank, a pulse power supply, a second purification water tank, a third air blower, a regulating transformer, a purification water pump, a second high-pressure ion exchange reaction tank, a distribution box, a sludge discharge pump, a drainage pump, a first high-pressure ion exchange reaction tank, a first water inlet pump, a second water inlet pump, a first air blower, a gas storage tank, a second air blower, a first purification water tank and a first rear reaction tank; the water inlet pipe is communicated with the sewage collecting tank which is communicated with the sewage tank, the sewage tank is respectively communicated with the water inlet of the first water inlet pump and the water inlet of the second water inlet pump, the water outlet of the first water inlet pump is communicated with the first high-pressure ion exchange reaction tank, the water outlet of the second water inlet pump is communicated with the second high-pressure ion exchange reaction tank, reaction liquid in the second high-pressure ion exchange reaction tank and the reaction liquid in the first high-pressure ion exchange reaction tank are continuously stirred through a plurality of sludge discharge pumps which are sequentially communicated, and the second high-pressure ion exchange reaction tank is communicated with the first high-pressure ion exchange reaction tank; the water inlet of the drainage pump is communicated with the first high-pressure ion exchange reaction tank, the water outlet of the drainage pump is respectively communicated with the first post-reaction tank and the second post-reaction tank, the first post-reaction tank is communicated with the first purified water tank, the second post-reaction tank is communicated with the second purified water tank, and the first purified water tank and the second purified water tank are communicated with the purified water pump; the first air blower, the second air blower and the third air blower are respectively communicated with a gas storage tank, and the gas storage tank is respectively communicated with the second high-pressure ion exchange reaction tank and the first high-pressure ion exchange reaction tank; the pulse power supply is electrically connected with the regulating transformer, and the regulating transformer is electrically connected with the second high-voltage ion exchange reaction tank, the first high-voltage ion exchange reaction tank, the second post-reaction tank and the polar plate in the first post-reaction tank.

Furthermore, the pulse power supply, the third air blower, the sludge discharge pump, the drainage pump, the first water inlet pump, the second water inlet pump, the first air blower and the second air blower are respectively connected with the distribution box through cables.

This neotype beneficial effect: provides a skid-mounted plasma oil field sewage treatment device. This equipment has adopted the integrated mode of sled dress, and extremely strong electric current that produces through high voltage pulse power supply carries out oil field sewage treatment, and whole equipment area is little, and reuse rate is high, and low in production cost. Its main advantage is as follows:

(1) All process equipment, electric appliances, instruments, pipelines and pipe fittings are intensively arranged on the prying body, so that the prying body occupies small area and is convenient to operate and maintain;

(2) Very strong current generated by a high voltage pulse power supply is input to a discharge channel in water for a very short time (nanosecond level) to form an electron avalanche, and a large pulse current forms high energy density in the channel, thereby causing local high temperature. In the discharge process, electrons and neutral gas molecules and atoms are subjected to inelastic collision, so that the neutral molecules are excited, decomposed and ionized more strongly, high-oxidation active substances (active particles such as OH, H2O2 and the like), ultraviolet radiation, high-energy electron bombardment and the like are generated, and the purpose of removing organic matters is achieved;

(3) The arrangement of the post reaction tank prolongs the total pulse duration and better improves the effluent quality;

(4) And gas molecules generate negative ions such as O, O2-, O3-, H-, OH-and the like by utilizing electric energy in a region with weaker electric field intensity outside the plasma region by utilizing gas-phase discharge, the ions rapidly move to the liquid surface under the action of electric field force and react with water to generate OH, OOH, O3 and the like, and pollutants in the water are fully oxidized and degraded.

Drawings

Fig. 1 is a schematic structural diagram of the first embodiment.

Detailed Description

Example one

Referring to fig. 1, a skid-mounted plasma oil field sewage treatment device is installed on a skid body, and includes a water inlet pipe 1, a sewage collecting tank 2, a sewage tank 3, a second post-reaction tank 4, a pulse power supply 5, a second purification water tank 6, a third air blower 7, a voltage regulating transformer 8, a purification water pump 9, a second high-voltage ion exchange reaction tank 10, a distribution box 11, a sludge discharge pump 12, a drainage pump 13, a first high-voltage ion exchange reaction tank 14, a first water inlet pump 15, a second water inlet pump 16, a first air blower 17, a gas storage tank 18, a second air blower 19, a first purification water tank 20 and a first post-reaction tank 21; the water inlet pipe 1 is communicated with the sewage collecting tank 2, the sewage collecting tank 2 is communicated with the sewage tank 3, the sewage tank 3 is respectively communicated with a water inlet of a first water inlet pump 15 and a water inlet of a second water inlet pump 16, a water outlet of the first water inlet pump 15 is communicated with a first high-pressure ion exchange reaction tank 14, a water outlet of the second water inlet pump 16 is communicated with a second high-pressure ion exchange reaction tank 10, reaction liquid in the second high-pressure ion exchange reaction tank 10 and reaction liquid in the first high-pressure ion exchange reaction tank 14 are respectively and continuously stirred through a plurality of sludge discharge pumps 12 which are sequentially communicated, and the second high-pressure ion exchange reaction tank 10 and the first high-pressure ion exchange reaction tank 14 are communicated with each other; a water inlet of the drainage pump 13 is communicated with the first high-pressure ion exchange reaction tank 14, a water outlet of the drainage pump 13 is respectively communicated with the first post-reaction tank 21 and the second post-reaction tank 4, the first post-reaction tank 21 is communicated with the first purified water tank 20, the second post-reaction tank 4 is communicated with the second purified water tank 6, and the first purified water tank 20 and the second purified water tank 6 are communicated with the purified water pump 9; the first air blower 17, the second air blower 19 and the third air blower 7 are respectively communicated with a gas storage tank 18, and the gas storage tank 18 is respectively communicated with the second high-pressure ion exchange reaction tank 10 and the first high-pressure ion exchange reaction tank 14; the pulse power supply 5 is electrically connected with a regulating transformer 8, and the regulating transformer 8 is electrically connected with a polar plate in a second high-voltage ion exchange reaction tank 10, a first high-voltage ion exchange reaction tank 14 and a second post-reaction tank 4; the pulse power supply 5, the third air blower 7, the sludge discharge pump 12, the drainage pump 13, the first water inlet pump 15, the second water inlet pump 16, the first air blower 17 and the second air blower 19 are respectively connected with the distribution box 11 through cables.

Sewage enters the sewage collecting tank and the sewage tank through the water inlet pipe, is lifted to the high-pressure ion exchange reaction tank and the high-pressure ion exchange reaction tank by the water inlet pump after being buffered and stored in the sewage tank for reaction treatment, and a plurality of sludge discharge pumps continuously operate in the reaction process and are used for stirring and homogenizing, so that the reaction is more sufficient and thorough. The liquid treated by the high-pressure ion exchange reaction tank is lifted to a post-reaction tank and the post-reaction tank by a drainage pump for further treatment, the medium treated by the post-reaction tank reaches the discharge standard and is stored in a purified water tank, and then the medium is lifted and discharged by a purified water pump. In a high-voltage ion exchange reaction tank and a post-reaction tank, a high-voltage pulse power supply controls parameter values such as output pressure, an auxiliary gap, a main discharge gap, discharge frequency and the like through a regulating transformer, so that extremely strong current generated by a cathode plate and an anode plate is input to a discharge channel in water in extremely short time (nanosecond level) to form electron avalanche, and high pulse current enables high energy density to be formed in the channel, thereby causing local high temperature; in the discharge process, electrons and neutral gas molecules and atoms perform inelastic collision, so that the neutral molecules are excited, decomposed and ionized more strongly, high-oxidation active substances (active particles such as OH, H2O2 and the like), ultraviolet radiation, high-energy electron bombardment and the like are generated, and the aim of removing organic matters is fulfilled. The compressed air produced by the blower is stored in the air storage tank, the compressed air supplies air to the high-pressure ion exchange reaction tank according to the flow requirement, gas phase discharge is utilized in the area outside the plasma area, the electric field intensity is weaker than that of the plasma area, gas molecules generate negative ions such as O, O2-, O3-, H-, OH-and the like by utilizing electric energy, the ions rapidly move to the liquid surface under the action of the electric field force and react with water to generate OH, OOH, O3 and the like, and pollutants in water are sufficiently degraded by oxidation.

Claims (2)

1. The utility model provides a sled dress formula plasma oil field sewage treatment device, plasma oil field sewage treatment device installs on sled body its characterized in that: the plasma oilfield sewage treatment equipment comprises a water inlet pipe (1), a sewage collecting tank (2), a sewage tank (3), a second post-reaction tank (4), a pulse power supply (5), a second purification water tank (6), a third air blower (7), a voltage regulating transformer (8), a purification water pump (9), a second high-pressure ion exchange reaction tank (10), a distribution box (11), a sludge discharge pump (12), a drainage pump (13), a first high-pressure ion exchange reaction tank (14), a first water inlet pump (15), a second water inlet pump (16), a first air blower (17), an air storage tank (18), a second air blower (19), a first purification water tank (20) and a first post-reaction tank (21); the water inlet pipe (1) is communicated with the sewage collecting tank (2), the sewage collecting tank (2) is communicated with the sewage tank (3), the sewage tank (3) is respectively communicated with a water inlet of a first water inlet pump (15) and a water inlet of a second water inlet pump (16), a water outlet of the first water inlet pump (15) is communicated with a first high-pressure ion exchange reaction tank (14), a water outlet of the second water inlet pump (16) is communicated with a second high-pressure ion exchange reaction tank (10), reaction liquid in the second high-pressure ion exchange reaction tank (10) and reaction liquid in the first high-pressure ion exchange reaction tank (14) are respectively and continuously stirred through a plurality of sludge discharge pumps (12) which are sequentially communicated, and the second high-pressure ion exchange reaction tank (10) and the first high-pressure ion exchange reaction tank (14) are communicated with each other; a water inlet of the drainage pump (13) is communicated with the first high-pressure ion exchange reaction tank (14), a water outlet of the drainage pump (13) is respectively communicated with the first post-reaction tank (21) and the second post-reaction tank (4), the first post-reaction tank (21) is communicated with the first purification water tank (20), the second post-reaction tank (4) is communicated with the second purification water tank (6), and the first purification water tank (20) and the second purification water tank (6) are communicated with the purification water pump (9); the first air blower (17), the second air blower (19) and the third air blower (7) are respectively communicated with a gas storage tank (18), and the gas storage tank (18) is respectively communicated with the second high-pressure ion exchange reaction tank (10) and the first high-pressure ion exchange reaction tank (14); the pulse power supply (5) is electrically connected with the regulating transformer (8), and the regulating transformer (8) is electrically connected with a polar plate in the second high-voltage ion exchange reaction tank (10), the first high-voltage ion exchange reaction tank (14) and the second postposition reaction tank (4) and is electrically connected with the polar plate in the first postposition reaction tank (21).

2. The skid-mounted plasma oilfield sewage treatment device according to claim 1, wherein: the pulse power supply (5), the third air blower (7), the sludge discharge pump (12), the drainage pump (13), the first water inlet pump (15), the second water inlet pump (16), the first air blower (17) and the second air blower (19) are connected with the distribution box (11) through cables respectively.

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