CN113521945B

CN113521945B - Gas recovery processing device for carbon dioxide oil displacement

Info

Publication number: CN113521945B
Application number: CN202110793929.4A
Authority: CN
Inventors: 赵聪
Original assignee: Hubei Hongyi Electronic Science & Technology Co ltd
Current assignee: Hubei Hongyi Intelligent Equipment Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-08-12
Anticipated expiration: 2041-07-14
Also published as: CN113521945A

Abstract

The application discloses gas recovery processing apparatus for carbon dioxide displacement of reservoir oil, it includes: tower body, collecting vat, shower nozzle, loading board, water conservancy diversion hole, intake pipe, filling tube, concentration detector, box, water oil separating membrane, mounting panel, barrel, flow distribution plate, outlet duct, blast pipe, bolt, conveyer pipe, backup pad, water pump, outlet pipe, pole setting, guide arm, pneumatic cylinder, connecting plate, connecting rod, fixing base, gyro wheel, bottom plate, through-hole, rose box, honeycomb duct, circulating pipe and inlet tube. The beneficial effects of this application lie in adopting the tower body to carry out carbon dioxide's recovery, realize spraying of the impurity foreign matter among the carbon dioxide and adsorb the processing to can carry out the collection of impurity foreign matter, can carry out the multistage filtration of oil mist granule to carbon dioxide, improve carbon dioxide's quality, improve carbon dioxide recovery efficiency, can carry out the removal of recovery processing device simultaneously, improve the convenience of use, be favorable to going on smoothly of carbon dioxide displacement of reservoir oil work.

Description

Gas recovery processing device for carbon dioxide oil displacement

Technical Field

The invention relates to a gas recovery processing device for carbon dioxide flooding, in particular to a gas recovery processing device for carbon dioxide flooding, and belongs to the technical field of carbon dioxide flooding application.

Background

The carbon dioxide flooding technology is a technology for injecting carbon dioxide into an oil layer to improve the oil recovery rate of an oil field, and cannot form a miscible phase when the carbon dioxide is in initial contact with formation crude oil, but the carbon dioxide can form a miscible phase front under the conditions of proper pressure, temperature and crude oil components. The supercritical fluid extracts heavier hydrocarbons from the crude oil and continuously condenses the gas at the displacement front, so that the carbon dioxide and the crude oil become miscible liquids to form a single liquid phase, thereby effectively displacing the formation crude oil to the production well. According to a large number of mine field tests, the basic conditions suitable for the carbon dioxide flooding reservoir are summarized as follows: the lithology of the oil layer can be limestone, dolomite or sandstone, and the like, and the carbonic acid formed after carbon dioxide is dissolved in water can erode calcium salt and the like, so that the permeability of the bottom layer is improved; the carbon dioxide flooding reservoir is generally buried at a depth of 600-3500 meters, the temperature of an oil layer is generally lower than 120 ℃, and the thickness of the oil layer is more than 3 meters; the fracture pressure of the oil layer is greater than the required injection pressure, so that the fracturing of the stratum is prevented, and the oil displacement effect is prevented from being influenced; the oil layer has a large void volume for contact with carbon dioxide and a permeability typically greater than 5 millidarcies.

In a patent document 'CN 208950569U carbon dioxide flooding well product wellhead treatment device', the carbon dioxide flooding well product is treated, and the product is separated into liquid, gas and solid which are treated respectively. The resource utilization rate is improved, the environment is protected, but the recovery efficiency of carbon dioxide gas is low, impurities exist in carbon dioxide products, air pollution can still be caused after discharge, pure gas is difficult to obtain after recovery, the follow-up carbon dioxide oil displacement efficiency is influenced, oil mist particles are difficult to effectively separate in the recovery process, reasonable utilization is difficult to carry out, the separated oil mist particles are difficult to effectively recover, the production efficiency is influenced, a recovery processing device is fixed generally, and the device is difficult to move when the recovery processing is carried out. At present, a carbon dioxide gas recovery and treatment device for oil displacement, which has a reasonable and reliable structure and an effective carbon dioxide gas recovery function, does not exist.

Disclosure of Invention

In order to solve the not enough of prior art, this application adopts the tower body to carry out effective recovery to carbon dioxide gas, can spray the absorption to impurity and foreign matter in the carbon dioxide gas at the recovery in-process, realize effective separation, and can effectively collect the impurity and the foreign matter of collecting, make things convenient for subsequent processing, and can further improve carbon dioxide gas purity, can effectively guarantee the subsequent processing of carbon dioxide, improve carbon dioxide recovery efficiency, and have device removal function, carry out equipment removal in carbon dioxide displacement oil well department, can conveniently install and use, can be applicable to the recovery of carbon dioxide gas behind the oil displacement of small-size oil well, improve carbon dioxide utilization efficiency, guarantee that the high efficiency of carbon dioxide displacement of reservoir oil work goes on.

More in order to solve the problem among the prior art: the primary separation of the oil mist particles in the carbon dioxide gas can be carried out after the carbon dioxide gas is primarily filtered, the plurality of oil-water separation membranes are arranged, the filtering effect can be improved, the oil mist particles in the gas can be separated in the cylinder again, the recovery quality of the carbon dioxide gas is improved, and the purity of the carbon dioxide gas can be further improved.

Further in order to solve the problems in the prior art: the water source circulation can be carried out in the process of recovering the carbon dioxide gas, the carbon dioxide gas can be cooled while the collection and treatment of impurities and foreign matters in the carbon dioxide gas are realized, the condensation and recovery of the oil mist particles in the gas are realized through the circulating pipe, the separation of the oil mist particles in the carbon dioxide gas is effectively improved,

in order to solve the deficiency among the prior art, the application provides a gas recovery processing device for carbon dioxide displacement of reservoir oil, includes: the tower body, the box body, the conveying pipe, the supporting plate, the bottom plate and the filter box; the tower comprises a tower body, a box body, a bottom plate, a filter box and a base plate, wherein the box body is fixedly arranged on one side of the tower body and is communicated with the top of the tower body through a conveying pipe; the inside fixed mounting of tower body has the collecting vat, the inside fixed mounting of collecting vat has the loading board, the collecting vat bottom is passed through honeycomb duct and rose box intercommunication, backup pad top fixed mounting has the water pump, water pump and outlet pipe intercommunication, the rose box runs through fixedly with the circulating pipe, the circulating pipe cup joints with barrel fixed surface, the circulating pipe passes through inlet tube and water pump intercommunication.

Further, tower body top fixed mounting has the shower, the shower is the annular structure, the shower bottom is equipped with a plurality of evenly distributed's shower nozzle, tower body top edge runs through fixedly with the outlet pipe, the quantity of outlet pipe is two and all is L shape structure, two the mutual symmetric distribution of outlet pipe.

Further, the collecting tank is connected with the inner wall of the tower body in a laminating manner, two bearing plates which are distributed in parallel are arranged inside the collecting tank, a plurality of flow guide holes are formed in the surfaces of the bearing plates, activated carbon adsorbents are filled on the surfaces of the bearing plates, the bottom ends of the tower body and the collecting tank are fixedly penetrated through an air inlet pipe, the air inlet pipe is located at the bottom of the bearing plates, a supporting plate of an L-shaped structure of an annular structure is arranged on the edge of the tower body, one end of the supporting plate is fixedly connected with the outer wall of the box body, and the end part of the supporting plate is fixedly connected with the box body through a bolt.

Further, the external diameter of backup pad is the same with the bottom plate width, pole setting fixed connection through a plurality of evenly distributed between bottom plate and the backup pad, it has a plurality of guide arm to distribute between bottom plate and the backup pad, per two the mutual parallel distribution of guide arm, the guide arm runs through with the connecting plate tip and cup joints, the connecting plate passes through pneumatic cylinder and backup pad fixed connection, connecting rod and fixing base fixed connection are passed through to the connecting plate bottom, the fixing base bottom is equipped with the gyro wheel.

Furthermore, a through hole is formed in the middle of the bottom plate, the through hole is movably connected with the fixing seats in an inserting mode, the number of the fixing seats is four, the four fixing seats are respectively located on the periphery of the bottom plate, the top surface of the bottom plate is fixedly connected with the filter box, and the filter box is located on one side of the box body.

Further, the box top is equipped with the conveyer pipe of L shape structure, the inside fixedly connected with a plurality of oil water separating membrane in box top, a plurality of oil water separating membrane parallel distribution each other, box inner wall and mounting panel fixed connection, mounting panel middle part fixedly connected with barrel, barrel top and mounting panel junction communicate each other, the even fixed mounting of barrel inner wall has a plurality of flow distribution plate, a plurality of the crisscross distribution each other of flow distribution plate, every the flow distribution plate all sets up for the slope, the barrel bottom runs through fixedly with the outlet duct.

Further, the circulating pipe distributes to the barrel surface for the heliciform, the circulating pipe both ends are respectively run through fixedly with the box outer wall, circulating pipe top and two inlet tube intercommunications, two the inlet tube runs through fixedly with the backup pad respectively, two the inlet tube all with water pump fixed connection.

Further, the box bottom communicates with the blast pipe, be formed with the cavity between box and the barrel, inside the blast pipe ran through fixedly and extended to the cavity with the box outer wall, the blast pipe was located the mounting panel bottom, the box top is equipped with three oil-water separation membrane, oil-water separation membrane corresponds there is the conveyer pipe.

Further, the tower body height is greater than the box height, tower body and collecting vat bottom all run through fixedly with the honeycomb duct, the honeycomb duct is located tower body one side, honeycomb duct one end runs through fixedly with rose box is inside, the inside impurity that is equipped with of rose box filters the filter core, the tower body lateral wall is equipped with the closed door, the closed door corresponds there is the loading board.

Further, tower body top fixed mounting has concentration detector, tower body middle part and conveyer pipe intercommunication, the conveyer pipe top is equipped with the governing valve, the tower body bottom runs through fixedly with the filling tube, the filling tube is located the loading board bottom.

The application has the advantages that: the utility model provides a carbon dioxide for displacement of reservoir oil gas recovery processing apparatus that is rational in infrastructure reliable and has carbon dioxide effective recovery function, it adopts the tower body to carry out carbon dioxide's recovery, realize the spraying adsorption treatment of impurity foreign matter in the carbon dioxide, and can carry out the collection of impurity foreign matter, after preliminary recovery processing, can carry out the multistage filtration of oil mist granule to carbon dioxide, realize further separation through condensation separation after adopting oil-water separation membrane to carry out preliminary separation, guarantee carbon dioxide's purity, improve carbon dioxide's quality, be favorable to going on smoothly of follow-up carbon dioxide displacement of reservoir oil processing, improve carbon dioxide recovery efficiency, avoid causing air environmental pollution, improve carbon dioxide utilization ratio, can carry out the removal of recovery processing apparatus simultaneously, can realize carbon dioxide drives the transfer that the oil well department carries out the device, the use convenience is improved, and the smooth operation of carbon dioxide oil displacement is facilitated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural view of a carbon dioxide flooding gas recovery processing device according to an embodiment of the present application;

FIG. 2 is a schematic view of a first perspective structure of the embodiment shown in FIG. 1;

FIG. 3 is a side view of the case of the embodiment of FIG. 2;

fig. 4 is a schematic side view of the embodiment of fig. 2 at the tower;

FIG. 5 is a schematic side view of the cartridge of the embodiment of FIG. 2;

FIG. 6 is a schematic top view of the embodiment of FIG. 2;

FIG. 7 is a schematic perspective view of the embodiment of FIG. 2 at the location of the web;

FIG. 8 is a schematic perspective view of the case in the embodiment of FIG. 2;

FIG. 9 is a schematic perspective view of the barrel of the embodiment of FIG. 2;

FIG. 10 is a schematic perspective view of the embodiment of FIG. 2 at the collection trough.

The meaning of the reference symbols in the figures:

100. a gas recovery processing device for carbon dioxide displacement of reservoir oil comprises a 101, a tower body, 1011, a collecting tank, 1012, a spraying pipe, 1013, a spray head, 1014, a bearing plate, 1015, a diversion hole, 1016, an air inlet pipe, 1017, a feed pipe, 1018 and a concentration detector,

102. a box body 1021, an oil-water separation membrane 1022, a mounting plate 1023, a cylinder body 1024, a flow distribution plate 1025, an air outlet pipe 1026, an air outlet pipe 1027 and bolts,

103. the conveying pipe is arranged on the conveying pipe,

104. a supporting plate 1041, a water pump 1042, a water outlet pipe 1043, a vertical rod 1044, a guide rod 1045, a hydraulic cylinder 1046, a connecting plate 1047, a connecting rod 1048, a fixed seat 1049 and a roller,

105. a bottom plate 1051, a through hole,

106. the filter box, 1061, honeycomb duct, 1062, circulating pipe, 1063, inlet tube.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 10, a carbon dioxide gas recovery and treatment device 100 includes: the gas recovery processing device for carbon dioxide flooding comprises: tower 1, box 102, conveyer pipe 103, backup pad 104, bottom plate 105 and filter box 106.

Referring to fig. 2 to 6, as a preferred scheme, a box body 102 is fixedly installed at one side of the tower body 1, the box body 102 is communicated with the top of the tower body 1 through a conveying pipe 103, a support plate 104 is fixedly installed at the bottom of the box body 102, the support plate 104 is used for installing and fixing a water pump 1041, the box body 102 and the tower body 101 are further fixed through a bolt 1027, the stability of the device is improved, the bottom plate 105 is fixedly connected with the tower body 1 and the box body 102 respectively, the side wall of the box body 102 is fixedly connected with a filter box 106, carbon dioxide is sprayed and adsorbed inside the tower body 1 to realize primary filtration, impurity foreign matters and the like in the carbon dioxide are filtered, the impurity foreign matters enter a collecting tank 1011, after the primarily purified carbon dioxide enters the box body 102, oil mist particles in the carbon dioxide are separated and filtered through an oil-water separation membrane 1021, and then are condensed and separated after entering the inside a cylinder 1023, further removal is realized, and the purity of the carbon dioxide gas is improved so as to improve the recovery efficiency.

Referring to fig. 2, 3 and 10, as a specific scheme, a collecting tank 1011 is fixedly installed inside the tower body 1, a bearing plate 1014 is fixedly installed inside the collecting tank 1011, the bearing plate 1014 is used for laying an activated carbon adsorbent to adsorb foreign matters such as dust in carbon dioxide gas and has an oil mist particle separation function, the bottom end of the collecting tank 1011 is communicated with a filter tank 106 through a guide pipe 1061, a water pump 1041 is fixedly installed at the top of the support plate 104, the water pump 1041 is communicated with a water outlet pipe 1042, the filter tank 106 is fixedly penetrated with a circulating pipe 1062, the circulating pipe 1062 is fixedly sleeved with the surface of a cylinder 1023, the circulating pipe 1062 is communicated with the water pump 1041 through a water inlet pipe 1063, the collecting tank 1011 is used for collecting a water source, the water source sprayed and adsorbed enters the inside the collecting tank 1011 to realize a cyclic destruction treatment, the filter tank 106 is used for collecting impurities and foreign matters, and when the water source inside the collecting tank 1011 enters the collecting tank 1061, the collection of foreign matters is realized through the filter screen arranged in the collecting tank 1011, and the water source is conveyed continuously through the circulating pipe 1062 and the water inlet pipe 1063 and enters the spraying pipe 1012 through the water outlet pipe 1042, so that the water source is circulated and then sprayed and adsorbed again through the spray head 1013.

Referring to fig. 4, as an extension, a spray pipe 1012 is fixedly installed at the top of the tower body 1, the spraying pipe 1012 is of an annular structure, the bottom end of the spraying pipe 1012 is provided with a plurality of uniformly distributed spray heads 1013, the top edge of the tower body 1 is fixedly penetrated with the water outlet pipes 1042, the number of the water outlet pipes 1042 is two, the water outlet pipes 1042 are in L-shaped structures, the two water outlet pipes 1042 are symmetrically distributed, the spray pipes 1012 are used for re-conveying water to the top of the tower body 1, spraying through the nozzle 1013 at the bottom thereof to generate water mist inside the tower body 101, carry out effective filtration to impurity foreign matter among the carbon dioxide gas, the carbon dioxide gas that gets into from intake pipe 1016 carries out the foreign matter through the water smoke that sprays and collects, and carbon dioxide gas supreme transport down to the right is supreme, and the water smoke is carried from top to bottom, realizes carbon dioxide gas's effective filtration among the gas, realizes carbon dioxide gas's prefilter.

Referring to fig. 2 and 10, as a specific scheme, the collecting tank 1011 is attached to the inner wall of the tower body 1, two parallel-distributed bearing plates 1014 are arranged inside the collecting tank 1011, each bearing plate 1014 is provided with a plurality of flow guide holes 1015 on the surface, activated carbon adsorbents are filled on the surface of the bearing plate 1014, the bottom ends of the tower body 1 and the collecting tank 1011 are both fixed to an air inlet pipe 1016 in a penetrating manner, the air inlet pipe 1016 is located at the bottom of the bearing plate 1014, the edge of the tower body 1 is provided with an L-shaped support plate 104 with an annular structure, one end of the support plate 104 is fixedly connected to the outer wall of the box body 102, the end of the support plate 104 is fixedly connected to the box body 102 through a bolt 1027, the bearing plate 1014 is used for filling the activated carbon adsorbents, so that when carbon dioxide passes through the flow guide holes 1015, the activated carbon adsorbents filter fine impurities such as dust in the carbon dioxide, and can treat and separate oil mist particles, the carbon dioxide gas is introduced into the interior of the housing 102 through the delivery pipe 103.

Referring to fig. 1 to 2 and 4 to 5, as a preferred solution, the outer diameter of the supporting plate 104 is the same as the width of the bottom plate 105, the bottom plate 105 is used for supporting and fixing the tower body 101 and the box body 102, so as to improve the stability of the device and facilitate movement through the roller 1049, the bottom plate 105 and the supporting plate 104 are fixedly connected through a plurality of uniformly distributed upright stanchions 1043, a plurality of guide rods 1044 are distributed between the bottom plate 105 and the supporting plate 104, each two guide rods 1044 are distributed in parallel, the guide rods 1044 are sleeved with the end of the connecting plate 1046 in a penetrating manner, the connecting plate 1046 is fixedly connected with the supporting plate 104 through the hydraulic cylinder 1045, the bottom end of the connecting plate 1046 is fixedly connected with the fixing seat 1048 through the connecting rod 1047, the roller 1049 is arranged at the bottom of the fixing seat 1048, the supporting plate 104 is used for further mounting and fixing the tower body 1 and the box body 102, and supporting and fixing between the supporting plate 104 and the bottom plate 105 are realized through the upright stanchions 1043, improve the stability of device, be provided with the steady movement that a plurality of guide arms 1044 can realize connecting plate 1046, prevent that connecting plate 1046 from rocking the problem when removing, guide arm 1044 is to connecting plate 1046 position spacing back, can drive the vertical steady movement of connecting plate 1046 through the flexible of pneumatic cylinder 1045, when removing through the electronic fixing base 1048 of connecting rod 1047, realize the change of gyro wheel 1049 position, when fixing base 1048 and gyro wheel 1049 pass through-hole 1051 after contact ground, can realize lifting of device, realize the removal of whole device through gyro wheel 1049, can drive the transfer of oil well department carrying out the device position at carbon dioxide, improve the operation convenience.

With reference to fig. 1 to 2 and 4 to 6, such a scheme is adopted, a through hole 1051 is formed in the middle of the bottom plate 105, the through hole 1051 is movably inserted into a fixing seat 1048, the number of the fixing seats 1048 is four, the fixing seats 1048 are respectively located around the bottom plate 105, the top surface of the bottom plate 105 is fixedly connected with the filter box 106, the filter box 106 is located on one side of the box body 102, the fixing seat 1048 is used for installing the roller 1049, the through hole 1051 is formed to realize stable movement of the installing seat, the installing seat can penetrate through the bottom plate 105 to move to the bottom, the roller 1049 is contacted with the ground to realize movement of the device, the filter box 106 is installed on one side of the box body 102 to filter impurities in a circulating water source, the cleanliness of water mist sprayed when the water source circulates is guaranteed, and the carbon dioxide gas recovery effect is improved.

Referring to fig. 1 to 6 and 8 to 9, as a specific solution, the top of the box 102 is provided with a delivery pipe 103 having an L-shaped structure, the top of the box 102 is fixedly connected with a plurality of oil-water separation membranes 1021, the oil-water separation membranes 1021 are distributed in parallel, the inner wall of the box 102 is fixedly connected with a mounting plate 1022, the middle part of the mounting plate 1022 is fixedly connected with a cylinder 1023, the top of the cylinder 1023 is communicated with the mounting plate 1022, the inner wall of the cylinder 1023 is uniformly and fixedly provided with a plurality of splitter plates 1024, the splitter plates 1024 are distributed in a staggered manner, each splitter plate 1024 is arranged in an inclined manner, the bottom of the cylinder 1023 is fixedly penetrated through an air outlet pipe 1025, the delivery pipe 103 is used for delivering carbon dioxide gas inside the box 102 and the tower body 1, and when carbon dioxide entering the inside of the box 102 passes through the oil-water separation membranes 1021, the primary separation of oil mist particles in the carbon dioxide gas is realized through the oil-water separation membranes 1021, make carbon dioxide gas pass through mounting panel 1022 and locate the back and get into inside barrel 1023, barrel 1023 surface realizes the condensation through circulating pipe 1062, makes oil mist granule condensation separation in the carbon dioxide gas, realizes effective separation, improves carbon dioxide gas recovery quality, is provided with a plurality of flow distribution plates 1024 and can prolong when gaseous circulation in barrel 1023 inside, improves the condensation effect.

Referring to fig. 5 and 9, as a specific solution, the circulation pipe 1062 is spirally distributed on the surface of the cylinder 1023, two ends of the circulation pipe 1062 are respectively fixed to the outer wall of the box 102, the top of the circulation pipe 1062 is communicated with two water inlet pipes 1063, the two water inlet pipes 1063 are respectively fixed to the support plate 104, the two water inlet pipes 1063 are both fixedly connected to the water pump 1041, the circulation pipe 1062 is used for cooling the surface of the cylinder 1023, the spiral circulation pipe 1062 is beneficial to improving the cooling effect of the cylinder 1023, so as to improve the condensation effect of carbon dioxide inside the cylinder 1023, the top of the circulation pipe 1062 is connected to the two water inlet pipes 1063, so that the water source inside the circulation pipe 1062 is distributed into the two water pumps 1041, and the water source is simultaneously conveyed to the inside of the spray pipe 1012 through the two water pumps 1041, thereby realizing spray adsorption.

Referring to fig. 2 and 6, as an expansion scheme, the bottom end of the box 102 is communicated with an exhaust pipe 1026, a cavity is formed between the box 102 and the cylinder 1023, the exhaust pipe 1026 and the outer wall of the box 102 penetrate through and are fixed and extend into the cavity, the exhaust pipe 1026 is located at the bottom of the mounting plate 1022, three oil-water separation membranes 1021 are arranged at the top of the box 102, the oil-water separation membranes 1021 correspond to the delivery pipe 103, the exhaust pipe 1026 is used for discharging and collecting carbon dioxide, oil mist particles are separated after gas entering the inside of the cylinder 1023 is condensed, the oil mist particles are discharged to the bottom of the cylinder 1023 through an outlet pipe 1025 at the bottom, and the carbon dioxide is discharged through the exhaust pipe 1026 to realize recycling, so that recycling is facilitated and the oil mist particles in the carbon dioxide can be effectively separated.

Referring to fig. 1 to 6, as a specific scheme, tower body 1 is higher than box 102, tower body 1 and collecting vat 1011 bottom all run through fixedly with honeycomb duct 1061, and honeycomb duct 1061 is used for realizing the circulation of water source, can carry the inside water source of collecting of tower body 1 to the inside edulcoration that filters of rose box 106, guarantees the cleanliness factor when the water source circulates, honeycomb duct 1061 is located tower body 1 one side, honeycomb duct 1061 one end is fixed with the inside penetration of rose box 106, the inside impurity filtering core that is equipped with of rose box 106, sets up impurity filtering core and can realize the filtration of impurity in rose box 106 inside, makes the water source discharge from shower 1012 again behind rose box 106, the tower body 1 lateral wall is equipped with the closed door, the closed door corresponds there is loading board 1014, and the closed door is used for carrying out the interpolation and the change of active carbon adsorbent.

Referring to fig. 1 to 6, as an expansion scheme, a concentration detector 1018 is fixedly installed at the top of the tower body 1, the middle of the tower body 1 is communicated with a conveying pipe 103, an adjusting valve is arranged at the top end of the conveying pipe 103, the bottom of the tower body 1 is fixedly penetrated with a feeding pipe 1017, the feeding pipe 1017 is located at the bottom of a bearing plate 1014, the concentration detector 1018 is used for detecting the concentration of carbon dioxide gas, the adjusting valve arranged on the conveying pipe 103 can adjust the conveying efficiency of the carbon dioxide gas, the feeding pipe 1017 arranged at the bottom is used for adding alkaline substances, the corrosion problem of the tower body 1 and the box body 102 caused by the acidity of a water source after the carbon dioxide gas is mixed with a part of water source is prevented, and the service life of the recovery processing device is prolonged.

In the technical scheme of the application, the whole carbon dioxide gas recovery and treatment device 100 for the displacement of reservoir oil adopts the tower body 1 to recover and treat the carbon dioxide gas, when the carbon dioxide gas flows in the tower body 1, the water mist sprayed by the spray head 1013 at the spray pipe 1012 can adsorb and collect impurities and foreign matters in the gas, so that the impurities and foreign matters enter the collecting tank 1011 and are collected and treated by the filter tank 106, thereby ensuring the cleanliness of the water source to improve the treatment effect of the carbon dioxide gas, meanwhile, the water source in the collecting tank 1011 passes through the guide pipe 1061, the circulating pipe 1062, the water inlet pipe 1063 and the water outlet pipe 1042 and then enters the circulating pipe 1062, so that the water source is circulated, circulating pipe 1062 department can cool off the cylinder 1023 surface, improves water source utilization efficiency, and inside carbon dioxide gas through prefilter got into box 102 through conveyer pipe 103, realized carbon dioxide gas's further recovery processing inside box 102.

Be provided with the initial separation that a plurality of water oil separating membrane 1021 can realize the oil mist granule in the carbon dioxide gas in the processing procedure, and realize further separation through the condensation separation in barrel 1023 inside, guarantee carbon dioxide gas's purity, improve the recovery effect, make things convenient for follow-up utilization, the quality of carbon dioxide when can improving follow-up carbon dioxide displacement of reservoir oil and handle, whole device removes through gyro wheel 1049 simultaneously, can drive oil well department at carbon dioxide and shift, can carry out effective recovery processing to exhaust carbon dioxide gas, can avoid carbon dioxide gas direct discharge and lead to the atmosphere pollution problem, and can pack up fixing base 1048 after removing, the stability of improvement device, be applicable to the recovery of small-size oil well department carbon dioxide and recycle.

The foregoing is merely exemplary of the present application and is not intended to limit the present application, which may be modified or varied by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A carbon dioxide is gas recovery processing apparatus for displacement of reservoir oil which characterized in that:

the gas recovery processing device for carbon dioxide flooding comprises: the tower body, the box body, the conveying pipe, the supporting plate, the bottom plate and the filter box;

the tower comprises a tower body, a box body, a bottom plate, a filter box and a base plate, wherein the box body is fixedly arranged on one side of the tower body and is communicated with the top of the tower body through a conveying pipe;

the collecting tank is fixedly arranged in the tower body, the bearing plate is fixedly arranged in the collecting tank, the bottom end of the collecting tank is communicated with the filter box through the guide pipe, the water pump is fixedly arranged at the top of the supporting plate and is communicated with the water outlet pipe, the filter box is fixedly penetrated through the circulating pipe, the circulating pipe is fixedly sleeved with the surface of the cylinder body, and the circulating pipe is communicated with the water pump through the water inlet pipe; the top of the tower body is fixedly provided with a spray pipe which is of an annular structure, the bottom end of the spray pipe is provided with a plurality of uniformly distributed spray heads, the edge of the top of the tower body is fixedly penetrated with water outlet pipes, the number of the water outlet pipes is two, the water outlet pipes are of L-shaped structures, and the two water outlet pipes are symmetrically distributed; the collecting tank is attached to the inner wall of the tower body, two bearing plates which are distributed in parallel are arranged in the collecting tank, a plurality of flow guide holes are formed in the surface of each bearing plate, activated carbon adsorbents are filled on the surfaces of the bearing plates, the bottom ends of the tower body and the collecting tank are fixedly penetrated through an air inlet pipe, the air inlet pipe is positioned at the bottom of each bearing plate, a supporting plate which is of an L-shaped structure and is of an annular structure is arranged at the edge of the tower body, one end of the supporting plate is fixedly connected with the outer wall of the box body, and the end part of the supporting plate is fixedly connected with the box body through a bolt; the box top is equipped with the conveyer pipe of L shape structure, the inside fixedly connected with a plurality of oil water separating membrane in box top, a plurality of oil water separating membrane parallel distribution each other, box inner wall and mounting panel fixed connection, mounting panel middle part fixedly connected with barrel, barrel top and mounting panel junction communicate each other, the even fixed mounting of barrel inner wall has a plurality of flow distribution plate, a plurality of the flow distribution plate is crisscross each other distributes, every the flow distribution plate all sets up for the slope, the barrel bottom runs through fixedly with the outlet duct.

2. The gas recovery and treatment device for carbon dioxide flooding according to claim 1, characterized in that: the outer diameter of the supporting plate is the same as the width of the bottom plate, the bottom plate is fixedly connected with the supporting plate through a plurality of uniformly distributed vertical rods, a plurality of guide rods are distributed between the bottom plate and the supporting plate, every two guide rods are distributed in parallel, the guide rods are sleeved with the end portions of the connecting plate in a penetrating mode, the connecting plate is fixedly connected with the supporting plate through hydraulic cylinders, the bottom end of the connecting plate is fixedly connected with a fixing seat through a connecting rod, and rollers are arranged at the bottom of the fixing seat.

3. The gas recovery and treatment device for carbon dioxide flooding according to claim 2, characterized in that: the improved filter box is characterized in that a through hole is formed in the middle of the bottom plate, the through hole is movably connected with the fixing seats in an inserting mode, the number of the fixing seats is four, the fixing seats are located on the periphery of the bottom plate respectively, the top surface of the bottom plate is fixedly connected with the filter box, and the filter box is located on one side of the box body.

4. The gas recovery and treatment device for carbon dioxide flooding according to claim 1, characterized in that: the circulating pipe is spirally distributed on the surface of the cylinder body, two ends of the circulating pipe are fixedly penetrated through the outer wall of the box body respectively, the top of the circulating pipe is communicated with two water inlet pipes, the two water inlet pipes are fixedly penetrated through the supporting plate respectively, and the two water inlet pipes are fixedly connected with the water pump.

5. The gas recovery and treatment device for carbon dioxide flooding according to claim 1, characterized in that: the utility model discloses a mounting panel, including box bottom, barrel, blast pipe, mounting panel, box bottom and blast pipe intercommunication, be formed with the cavity between box and the barrel, inside the blast pipe runs through fixedly and extends to the cavity with the box outer wall, the blast pipe is located the mounting panel bottom, the box top is equipped with three oil-water separation membrane, oil-water separation membrane corresponds there is the conveyer pipe.

6. The gas recovery and treatment device for carbon dioxide flooding according to claim 1, characterized in that: the tower body height is greater than the box height, tower body and collecting vat bottom all run through fixedly with the honeycomb duct, the honeycomb duct is located tower body one side, honeycomb duct one end runs through fixedly with rose box is inside, the inside impurity that is equipped with of rose box filters the filter core, the tower body lateral wall is equipped with the closed door, the closed door corresponds there is the loading board.

7. The gas recovery and treatment device for carbon dioxide flooding according to claim 1, characterized in that: the tower body top fixed mounting has concentration detector, tower body middle part and conveyer pipe intercommunication, the conveyer pipe top is equipped with the governing valve, the tower body bottom is run through fixedly with the filling tube, the filling tube is located the loading board bottom.