CN209940699U - Ternary sewage treatment device for oil field - Google Patents

Abstract

The utility model discloses an oil field ternary sewage treatment plant, including a jar body, apron, discharge gate and outer tube, the outside skin weld of the jar body has the supporting leg, outside surface one side of the jar body is equipped with the pan feeding mouth, one side that the surface of the jar body deviates from the pan feeding mouth is equipped with delivery port and intake pipe, the inside of the jar body is fixed with the filter screen, intake pipe and outer tube intercommunication, the outer tube inboard is connected with the inner tube through the connecting pipe, the surface one side welding of discharge gate has the fixed plate, the slot has been seted up to the discharge gate inboard, the inboard rubber pad that pastes of slot, it has the baffle to peg graft in the slot, run through on baffle and the fixed plate and seted up the fixed orifices, baffle and fixed plate pass through fixed. The utility model discloses possess the sewage after adding the flocculating agent and get into the internal accessible trachea drum blow after jar, make flocculating agent and sewage misce bene, increase the advantage of suspended particles formation efficiency.

Description

Ternary sewage treatment device for oil field

Technical Field

The utility model relates to an oil field sewage treatment technical field specifically is an oil field ternary sewage treatment plant.

Background

The ternary composite oil displacement technology is a combined oil displacement technology which is formed by three chemical main agents of alkali, surfactant and polymer according to different proportion formulas. The water drive sweep efficiency is increased, the fluidity of a displacement medium is reduced, and the recovery ratio of crude oil is improved, and the recovery ratio of crude oil can be improved by more than 20% by the technology. The main factors influencing the recovery ratio of the chemical flooding are the acquisition of ultra-low interfacial tension and the maintenance time of the ultra-low interfacial tension in a rock core, and the main mechanisms of the ternary combination flooding are the reduction of the interfacial tension, the control of the flow rate and the reduction of the adsorption loss of expensive chemical agents. The method comprises the steps of firstly, quantitatively adding a flocculating agent into pretreated sewage to enable partial dissolved pollutants and colloidal particles in the sewage to be adsorbed to form suspended particles, and then, uniformly mixing the sewage and the flocculating agent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field ternary sewage treatment plant, it blows to possess the sewage entering jar internal accessible trachea after the flocculating agent, make flocculating agent and sewage misce bene, increase the advantage of suspended particles formation efficiency, it is many to handle the sewage after the preliminary treatment through little flocculation method to have solved present stage, at first throw the type flocculating agent to dosing in the sewage through the preliminary treatment in little flocculation suspension sludge filtration technology, make partial dissolved state's in the sewage pollutant and colloidal particle adsorb out, form the suspended particles, still need be with sewage and flocculating agent misce bene after adding the flocculating agent, nevertheless present stage is many to be through the artifical sewage stirring after will adding the flocculating agent, the stirring efficiency is low and the great problem of artifical intensity of labour.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil field ternary sewage treatment plant, includes a jar body, apron, discharge gate and outer tube, the outside skin weld of the jar body has the supporting leg, the outside surface one side of the jar body is equipped with the pan feeding mouth, one side that the surface of the jar body deviates from the pan feeding mouth is equipped with delivery port and intake pipe, the inside of the jar body is fixed with the filter screen, the inside bottom of the jar body is fixed with the outer tube through the fixed block, intake pipe and outer tube intercommunication, the outer tube inboard is connected with the inner tube through the connecting pipe, the apron has been put to the top lid of pan feeding mouth, the bottom of the jar body is equipped with the discharge gate, the welding of surface one side of discharge gate has the fixed plate, the slot has been seted up to the discharge gate inboard, the slot inboard is pasted and is had the rubber, The bolt is fixedly connected with the second nut.

Preferably, the air inlet pipe is positioned right below the water outlet and is communicated with an external air pump through an air pipe.

Preferably, the welding of the surface top of the jar body has the screw thread post, set up the draw-in groove with screw thread post size looks adaptation on the apron, the apron passes through draw-in groove and screw thread post joint each other, later presss from both sides the apron and jar body clamp tightly fixedly through first nut and screw thread post.

Preferably, the lowest end of the water outlet and the top end of the filter screen are positioned on the same horizontal plane.

Preferably, the outer pipe is communicated with the inner pipe through a connecting pipe, and air outlets are uniformly formed in the outer pipe, the connecting pipe and the inner pipe.

Preferably, the baffle corresponds to the position of the fixing hole on the fixing plate.

Preferably, the depth of the slot is half of the thickness of the discharge hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the outer tube, outer tube and intake pipe intercommunication, and the outer tube passes through connecting pipe and inner tube intercommunication, and sewage after adding the flocculating agent gets into jar internal portion through the pan feeding mouth of the jar body, later the air pump passes through the intake pipe with the air current and gets into in outer tube and the inner tube to through the outer tube, gas outlet entering jar internal portion on connecting pipe and the inner tube is blown the sewage after adding the flocculating agent, has reached and has made flocculating agent and sewage misce bene, increases the effect that suspended particles formed efficiency.

2. The utility model discloses a set up the filter screen, the filter screen can be with the interception of suspended particles in the sewage, makes the water after filtering flow through the delivery port, and through setting up the discharging pipe, the discharging pipe is pegged graft through the slot and is had the baffle, and is equipped with the rubber pad between slot and the baffle, has reached the effect that increases the leakproofness between baffle and the slot, is connected fixedly with the fixed plate through bolt and second nut after the baffle is pegged graft.

Drawings

Fig. 1 is a schematic front view of the present invention;

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

fig. 3 is an enlarged schematic view of the utility model at a in fig. 2;

FIG. 4 is a schematic view of the structure of the trachea of the present invention;

FIG. 5 is a schematic view of a cross-sectional structure of a discharge tube of the present invention;

fig. 6 is a schematic view of the front view of the baffle of the present invention.

In the figure: 1. supporting legs; 2. a feeding port; 3. a tank body; 4. a threaded post; 5. a cover plate; 6. a first nut; 7. a water outlet; 8. an air inlet pipe; 9. a slot; 10. a discharge port; 11. filtering with a screen; 12. a rubber pad; 13. a baffle plate; 14. a bolt; 15. a fixing plate; 16. a second nut; 17. an air outlet; 18. a connecting pipe; 19. a fixed block; 20. an outer tube; 21. an inner tube; 22. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides an embodiment: a ternary sewage treatment device for an oil field comprises a tank body 3, a cover plate 5, a discharge port 10 and an outer pipe 20, wherein supporting legs 1 are welded on the outer surface of the tank body 3, a feed inlet 2 is formed in one side of the outer surface of the tank body 3, pretreated sewage enters the tank body 3 through the feed inlet 2, a water outlet 7 and an air inlet pipe 8 are formed in one side, away from the feed inlet 2, of the surface of the tank body 3, the air inlet pipe 8 is positioned right below the water outlet 7, the air inlet pipe 8 is communicated with an external air pump through an air pipe, a filter screen 11 is fixed in the tank body 3, by arranging the filter screen 11, the filter screen 11 can intercept suspended particles in the sewage, filtered water flows out through the water outlet 7, when the filter screen 11 is blocked, the discharge port 10 at the bottom of the tank body 3 can be opened, then the filter screen 11 is injected with water through the water to the, the lowest end of the water outlet 7 and the top end of the filter screen 11 are positioned on the same horizontal plane, the bottom end in the tank body 3 is fixed with an outer tube 20 through a fixing block 19, the outer tube 20 is arranged through the outer tube 20, the outer tube 20 is communicated with the air inlet pipe 8, the outer pipe 20 is communicated with the inner pipe 21 through the connecting pipe 18, the sewage added with the flocculating agent enters the tank body 3 through the feeding port 2 of the tank body 3, then the air pump enters the air flow into the outer pipe 20 and the inner pipe 21 through the air inlet pipe 8, and enters the tank body 3 through the outer pipe 20, the connecting pipe 18 and the air outlet 17 on the inner pipe 21 to blow the sewage after the flocculating agent is added, so that the flocculating agent and the sewage are uniformly mixed, the formation efficiency of suspended particles is increased, the outer pipe 20 is communicated with the inner pipe 21 through the connecting pipe 18, and air outlets 17 are uniformly arranged on the outer pipe 20, the connecting pipe 18 and the inner pipe 21, the air inlet pipe 8 is communicated with the outer pipe 20, and the inner side of the outer pipe 20 is connected with the inner pipe 21 through the connecting pipe 18.

A cover plate 5 is arranged at the top end of the feeding port 2 in a covering mode, a threaded column 4 is welded at the top end of the outer surface of the tank body 3, a clamping groove matched with the threaded column 4 in size is formed in the cover plate 5, the cover plate 5 is clamped with the threaded column 4 through the clamping groove, then the cover plate 5 and the tank body 3 are clamped and fixed through a first nut 6 and the threaded column 4, the cover plate 5 is convenient to detach, a filter screen 11 in the tank body 3 is replaced, a discharge port 10 is formed in the bottom end of the tank body 3, a baffle 13 is inserted into the discharge pipe through a slot 9, a rubber pad 12 is arranged between the slot 9 and the baffle 13, the effect of increasing the sealing performance between the baffle 13 and the slot 9 is achieved, the baffle 13 is connected and fixed with a fixed plate 15 through a bolt 14 and a second nut 16 after being inserted, a fixed plate 15 is welded on one side of the outer surface of, rubber pads 12 are adhered to the inner sides of the slots 9, baffle plates 13 are inserted into the slots 9, the baffle plates 13 correspond to the positions of fixing holes 22 in the fixing plate 15, the fixing holes 22 are formed in the baffle plates 13 and the fixing plate 15 in a penetrating mode, and the baffle plates 13 and the fixing plate 15 are fixedly connected through the fixing holes 22, bolts 14 and second nuts 16.

When a user uses the sewage treatment tank, sewage added with a flocculating agent enters the tank body 3 through the feeding port 2 of the tank body 3, then an air pump enters air flow into the outer pipe 20 and the inner pipe 21 through the air inlet pipe 8 and enters the tank body 3 through the outer pipe 20, the connecting pipe 18 and the air outlet 17 on the inner pipe 21 to blow the sewage added with the flocculating agent, so that the flocculating agent and the sewage are uniformly mixed, the formation efficiency of suspended particles is improved, various colloidal particles and suspended particles in the sewage are coagulated into large compact flocs by virtue of flocculation, when the flocs flow through the filter screen 11 along with the sewage, a large number of compact flocs are intercepted on the surface of the filter material layer by the filter material layer to form a compact suspended sludge layer, and the dense suspended sludge layer and the filter screen 11 form a filter body; sewage reaches the reinjection water standard after the suspension sludge blanket and the filter screen 11 that the oneself formed in jar body 3, the discharging pipe is pegged graft through slot 9 and is had baffle 13, and be equipped with rubber pad 12 between slot 9 and the baffle 13, the effect of the leakproofness between increase baffle 13 and the slot 9 has been reached, baffle 13 is pegged graft after and is connected fixedly with fixed plate 15 through bolt 14 and second nut 16, during the ejection of compact, the user is through pulling down baffle 13, later with jar body 3 inside unnecessary floc clearance out jar body 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an oil field ternary sewage treatment plant, includes jar body (3), apron (5), discharge gate (10) and outer tube (20), its characterized in that: the utility model discloses a novel pot, including the jar body (3) outside skin weld have supporting leg (1), the outside surface one side of the jar body (3) is equipped with pan feeding mouth (2), one side that the surface of the jar body (3) deviates from pan feeding mouth (2) is equipped with delivery port (7) and intake pipe (8), the inside of the jar body (3) is fixed with filter screen (11), the inside bottom of the jar body (3) is fixed with outer tube (20) through fixed block (19), intake pipe (8) and outer tube (20) intercommunication, outer tube (20) inboard is connected with inner tube (21) through connecting pipe (18), apron (5) have been put to the top lid of pan feeding mouth (2), the bottom of the jar body (3) is equipped with discharge gate (10), the welding of surface one side of discharge gate (10) has fixed plate (15), slot (9) have been seted up to discharge gate (10) inboard, rubber pad (12), the baffle (13) is inserted in the slot (9), the baffle (13) and the fixing plate (15) are provided with fixing holes (22) in a penetrating mode, and the baffle (13) and the fixing plate (15) are fixedly connected through the fixing holes (22), the bolts (14) and the second nuts (16).

2. The oilfield ternary sewage treatment device of claim 1, wherein the oilfield ternary sewage treatment device comprises: the air inlet pipe (8) is located right below the water outlet (7), and the air inlet pipe (8) is communicated with an external air pump through an air pipe.

3. The oilfield ternary sewage treatment device of claim 1, wherein the oilfield ternary sewage treatment device comprises: the welding of the surface top of the jar body (3) has screw thread post (4), offer the draw-in groove with screw thread post (4) size looks adaptation on apron (5), apron (5) are through draw-in groove and screw thread post (4) joint each other, later press from both sides the clamp tightly fixedly with the jar body (3) apron (5) through first nut (6) and screw thread post (4).

4. The oilfield ternary sewage treatment device of claim 1, wherein the oilfield ternary sewage treatment device comprises: the lowest end of the water outlet (7) and the top end of the filter screen (11) are positioned on the same horizontal plane.

5. The oilfield ternary sewage treatment device of claim 1, wherein the oilfield ternary sewage treatment device comprises: the outer pipe (20) is communicated with the inner pipe (21) through a connecting pipe (18), and air outlets (17) are uniformly formed in the outer pipe (20), the connecting pipe (18) and the inner pipe (21).

6. The oilfield ternary sewage treatment device of claim 1, wherein the oilfield ternary sewage treatment device comprises: the baffle (13) corresponds to the position of the fixing hole (22) on the fixing plate (15).

7. The oilfield ternary sewage treatment device of claim 1, wherein the oilfield ternary sewage treatment device comprises: the depth of the slot (9) is half of the thickness of the discharge hole (10).

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