CN219621042U - Oilfield reinjection water desulfurization and iron removal device - Google Patents

Abstract

The utility model discloses an oilfield reinjection water desulfurization and iron removal device, which comprises: the oil field reinjection water treatment box is characterized in that an iron removing mechanism and a desulfurizing mechanism are respectively arranged on the inner side of the treatment box; deironing mechanism is including transversely pegging graft at the inboard heat insulating board of processing case, peg graft drain pipe at the heat insulating board middle part and set up the heat conduction casing at the heat insulating board top, and the bottom center nested filter screen of installing of heat conduction casing, the electric heater is installed on one side outer wall upper portion of processing case, and is connected with the heat conduction line between the output of electric heater and the heat conduction casing, the inboard bottom of heat conduction casing is provided with the active carbon layer, the inboard top welding of processing case has the go-between, the inboard spiro union of go-between has the collar, and the top cap of contradicting at processing case is installed at the top of collar. This oil field reinjection water desulfurization deironing device can be convenient take out in unison the iron ion that gets rid of, can also carry out quick desulfurization to reinjection water.

Description

Oilfield reinjection water desulfurization and iron removal device

Technical Field

The utility model belongs to the technical field of oilfield reinjection water treatment, and particularly relates to an oilfield reinjection water desulfurization and iron removal device.

Background

In order to improve the recovery ratio of crude oil, a large amount of water needs to be refilled into an oil well, and formation associated water is generated in the production process of oil and gas, so that the refilled water needs to be treated in time to obtain qualified oil and gas products, and the steps of refilling water, desulfurizing, deironing and the like are included, and corresponding devices are needed to be used for realizing the corresponding steps.

The existing device can realize higher iron removal efficiency, but is inconvenient to uniformly take out the removed iron ions.

For example, the utility model application number of China is CN201520990172.8, and the oil field sewage deironing sterilizing liquid preparation tank comprises: the device comprises a tank body, a clamping groove, a protective frame, a stirrer, an oxygen pump and a hose with sieve holes; wherein the tank body is open; the protection rack is arranged in the tank body and used for supporting the stirrer; the oxygen pump is arranged outside the tank body and is used for providing oxygen-containing gas into the tank body; the exhaust end of the oxygen pump passes through the tank body and is communicated with one end of the hose with the sieve holes; the clamping grooves are formed in the inner circumferential wall of the tank body and used for fixing the hose with the sieve holes, and the hose with the sieve holes can be fixed on the inner circumferential wall of the tank body through all the clamping grooves or only fixed on the inner circumferential wall of the tank body through part of the clamping grooves. The liquid preparation tank has the characteristics of simplicity, practicability, low cost, safety, environmental protection, simple operation process, low labor intensity, thorough sterilization, more remarkable effect and the like, does not need to additionally add bactericide, and avoids the problem of compatibility of sewage treatment agent and polymer. The device has the defect that the removed iron ions are inconvenient to uniformly take out.

Disclosure of Invention

The utility model aims to provide an oilfield reinjection water desulfurization and iron removal device, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an oilfield reinjection water desulfurization and iron removal device, comprising:

the oil field reinjection water treatment box is characterized in that an iron removing mechanism and a desulfurizing mechanism are respectively arranged on the inner side of the treatment box;

deironing mechanism is including transversely pegging graft at the inboard heat insulating board of processing case, peg graft drain pipe at the heat insulating board middle part and set up the heat conduction casing at the heat insulating board top, and the bottom center nested filter screen of installing of heat conduction casing, the electric heater is installed on one side outer wall upper portion of processing case, and is connected with the heat conduction line between the output of electric heater and the heat conduction casing, the inboard bottom of heat conduction casing is provided with the active carbon layer, the inboard top welding of processing case has the go-between, the inboard spiro union of go-between has the collar, and the top cap of contradicting at processing case is installed at the top of collar.

In a further embodiment, the desulfurization mechanism comprises a motor arranged at the bottom center of the treatment box and an inlet pipe inserted into the outer wall of one side of the treatment box, the output end of the motor penetrates through the bottom of the treatment box and is coaxially connected with a rotating shaft, the side wall of the rotating shaft is uniformly connected with a plurality of stirring plates, and two electric heating rods are symmetrically arranged at the bottom of the inner side of the treatment box.

In a further embodiment, the side wall of the stirring plate is provided with a plurality of leakage holes side by side, the top of the top cover is inserted with a water inlet pipe, and one side of the bottom of the treatment box is inserted with a discharge pipe.

In a further embodiment, the inlet pipe, the drain pipe and the drain pipe are all provided with control valves.

In a further embodiment, two handles are symmetrically installed on the top of the heat conducting shell, and corners of the handles are in a circular arc structure.

In a further embodiment, the four corners of the bottom of the treatment tank are provided with legs.

Compared with the prior art, the utility model has the technical effects and advantages that:

according to the oilfield reinjection water desulfurization iron removal device, removed iron ions can stay above the activated carbon layer in the form of precipitates, the heat conduction shell is lifted out after the top cover is taken out, so that the iron ions can be uniformly taken out, and the removed iron ions can be conveniently and uniformly taken out;

after the reinjection water is discharged below the heat insulation plate, desulfurization can be performed by a calcium spraying desulfurization mode, namely, the reinjection water is fully heated to 900 ℃, limestone particles are sprayed, limestone is heated and decomposed into calcium oxide and carbon dioxide, the calcium oxide reacts with sulfur dioxide to generate calcium sulfate, the purpose of desulfurization is achieved, and rapid desulfurization can be performed on the reinjection water;

this oil field reinjection water desulfurization deironing device can be convenient take out in unison the iron ion that gets rid of, can also carry out quick desulfurization to reinjection water.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view taken along the direction a-a in FIG. 1 in accordance with the present utility model;

FIG. 3 is a cross-sectional view of the thermally conductive housing of FIG. 1 in the direction a-a in accordance with the present utility model;

fig. 4 is an enlarged view of the utility model at a in fig. 2.

Reference numerals illustrate:

in the figure: 1. a treatment box; 2. an iron removing mechanism; 3. a heat insulating plate; 4. a drain pipe; 5. a thermally conductive housing; 6. an activated carbon layer; 7. a filter screen; 8. a handle; 9. an electric heater; 10. a top cover; 11. a mounting ring; 12. a connecting ring; 13. a desulfurization mechanism; 14. a motor; 15. an agitating plate; 16. an electric heating rod; 17. a tube is introduced; 18. a water inlet pipe; 19. a discharge pipe; 20. a support leg; 21. a nameplate.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

In order to conveniently and uniformly take out the removed iron ions, an oilfield reinjection water desulfurization and iron removal device as shown in fig. 1 to 4 comprises: the treatment box 1 for oilfield reinjection water is characterized in that a nameplate 21 is adhered to the outer wall of one side of the treatment box 1, operation specifications and notes are marked on the nameplate 21, supporting legs 20 are welded at four corners of the bottom of the treatment box 1, an iron removing mechanism 2 is arranged on the inner side of the treatment box 1, the iron removing mechanism 2 comprises a heat insulation plate 3 transversely fixedly inserted into the inner side of the treatment box 1, a drain pipe 4 inserted into the middle part of the heat insulation plate 3 and a heat conduction shell 5 arranged at the top of the heat insulation plate 3, two handles 8 are symmetrically arranged at the top of the heat conduction shell 5, the heat conduction shell 5 is conveniently lifted and taken out through the handles 8, corners of the handles 8 are arc-shaped structures, the hands are prevented from being pressed, a filter screen 7 is nested and arranged at the center of the bottom of the heat conduction shell 5, an electric heater 9 is arranged on the upper part of the outer wall of one side of the treatment box 1 through an installation seat, the electric heater 9 can adopt the current principle to heat and make heat conduction casing 5 heat to 80 ℃, and be connected with the heat conduction line between the output of electric heater 9 and the heat conduction casing 5, the inboard bottom of heat conduction casing 5 is provided with active carbon layer 6, can promote iron ion hydrolysis to produce the big granule sediment of ferric hydroxide through heating reinjection water to 80 ℃, active carbon layer 6 can adsorb filtration ferric hydroxide sediment, the inboard top welding of processing box 1 has go-between 12, go-between 12 inboard spiro union has collar 11, and there is the top cap 10 of contradicting at processing box 1 at the top of collar 11 through a plurality of bolts, top cap 10 can be taken off through the mode of rotation, peg graft at the top of top cap 10 has inlet tube 18, add reinjection water through inlet tube 18.

In order to carry out quick desulfurization to reinjection water, desulfurization mechanism 13 is still installed to the inboard of processing case 1, desulfurization mechanism 13 includes motor 14 at processing case 1 bottom center and grafting at processing case 1 one side outer wall's access tube 17 through the motor cabinet, can let in lime stone granule through access tube 17, and the output of motor 14 runs through processing case 1's bottom and coaxial coupling have the pivot, the lateral wall of pivot is connected with a plurality of stirring boards 15 through the screw is even, a plurality of small holes have been seted up side by side to stirring board 15's lateral wall, reduce stirring board 15 and rotate the resistance that receives, processing case 1's bottom one side grafting has discharge tube 19, discharge tube 19's top is provided with the filter screen, access tube 17, drain tube 4, discharge tube 19 all installs the control valve, two electric bars 16 are installed to processing case 1's inboard bottom symmetry, can adopt current principle heating to 900 ℃ in order to carry out the desulfurization.

The electric heater 9, the motor 14 and the electric heating rod 16 are all arranged in the prior art, and the working principle, the size and the model are irrelevant to the function of the utility model, so that the electric heater is not described more and is controlled by a remote control switch.

Principle of operation

According to the oilfield reinjection water desulfurization iron removal device, the device is connected with an external power supply, reinjection water is introduced through the water inlet pipe 18, the electric heater 9 can heat the heat conduction shell 5 to 80 ℃ by adopting the existing principle, the reinjection water is heated to 80 ℃ to promote iron ions to hydrolyze to produce large-particle precipitation of ferric hydroxide, the activated carbon layer 6 can adsorb and filter the ferric hydroxide precipitation, when the removed iron ions need to be taken out, the top cover 10 is rotated and taken out, and then the heat conduction shell 5 is lifted up and taken out, so that the iron ions can be taken out uniformly, and the removed iron ions can be taken out uniformly conveniently;

the reinjection water is discharged below the heat insulation plate 3 through the drain pipe 4 and then desulfurized through a calcium spraying desulfurization mode, namely, the reinjection water is fully heated to 900 ℃ through the electric heating rod 16, limestone particles are sprayed through the inlet pipe 17, the limestone is heated and decomposed into calcium oxide and carbon dioxide, the calcium oxide reacts with sulfur dioxide in the reinjection water to generate calcium sulfate, the purpose of desulfurization is achieved, and the reinjection water after desulfurization can be discharged through the discharge pipe 19 after being cooled.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An oilfield reinjection water desulfurization and iron removal device, comprising:

the treatment box (1) for oilfield reinjection water is characterized in that an iron removing mechanism (2) and a desulfurizing mechanism (13) are respectively arranged on the inner side of the treatment box (1);

the method is characterized in that: deironing mechanism (2) including transversely peg graft in heat insulating board (3) of processing case (1) inboard, peg graft drain pipe (4) at heat insulating board (3) middle part and set up heat conduction casing (5) at heat insulating board (3) top, and the bottom center nest of heat conduction casing (5) installs filter screen (7), electric heater (9) are installed on one side outer wall upper portion of processing case (1), and are connected with the heat-conducting wire between the output of electric heater (9) and heat conduction casing (5), the inboard bottom of heat conduction casing (5) is provided with active carbon layer (6), the inboard top welding of processing case (1) has go-between (12), the inboard spiro union of go-between (12) has collar (11), and top cap (10) of contradicting at processing case (1) are installed at the top of collar (11).

2. The oilfield reinjection water desulfurization and iron removal device according to claim 1, wherein: the desulfurization mechanism (13) comprises a motor (14) arranged at the center of the bottom of the treatment box (1) and an inlet pipe (17) inserted into the outer wall of one side of the treatment box (1), the output end of the motor (14) penetrates through the bottom of the treatment box (1) and is coaxially connected with a rotating shaft, the side wall of the rotating shaft is uniformly connected with a plurality of stirring plates (15), and two electric heating rods (16) are symmetrically arranged at the bottom of the inner side of the treatment box (1).

3. The oilfield reinjection water desulfurization and iron removal device according to claim 2, wherein: the side wall of stirring board (15) has seted up a plurality of leak holes side by side, peg graft at the top of top cap (10) has inlet tube (18), peg graft in bottom one side of processing case (1) has discharge pipe (19).

4. An oilfield reinjection water desulfurization and iron removal device according to claim 3, wherein: the inlet pipe (17), the drain pipe (4) and the drain pipe (19) are all provided with control valves.

5. The oilfield reinjection water desulfurization and iron removal device according to claim 1, wherein: two handles (8) are symmetrically arranged at the top of the heat conduction shell (5), and corners of the handles (8) are of arc structures.

6. The oilfield reinjection water desulfurization and iron removal device according to claim 1, wherein: the four corners of the bottom of the treatment box (1) are provided with supporting legs (20).