Gas station oil gas recovery, condensation and purification equipment

By introducing dustproof nets, motor drives, and hydraulic cylinders into the oil and gas recovery equipment at gas stations, the problem of reduced separation efficiency caused by dust adhesion has been solved, achieving efficient oil and gas recovery and simple maintenance operations, thus improving the equipment's efficiency and reliability.

CN223586794UActive Publication Date: 2025-11-25NINGXIA ZHONGHUAN GUOAN CONSULTING CO LTD
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Patent Information

Application Number
CN202423169162.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-25
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In existing gas station vapor recovery equipment, when oil and gas mix with air, dust adheres to the polymer separation membrane, resulting in reduced separation efficiency and difficulty in cleaning and maintenance.

Method used

A gas station oil and gas recovery condensation and purification device was designed. It uses a dustproof net to filter dust, and a motor drives the movable frame to rotate and replace the clean dustproof net. The angle of the exhaust pipe is adjusted by the drive mechanism, and a high-polymer separation membrane can be easily replaced by a hydraulic cylinder. The dustproof net is made of stainless steel and cooling water is used for circulation and condensation.

Benefits of technology

It improves the separation performance of polymer separation membranes, reduces manual cleaning and maintenance, expands the operating range, ensures normal air circulation, and simplifies the replacement and cleaning process of polymer separation membranes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223586794U_ABST
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Abstract

The utility model relates to gas station oil gas recovery condensation purification equipment, which comprises an upper recovery shell and a lower recovery shell, a polymer separation membrane is arranged in the lower recovery shell, an exhaust pump is arranged on the outer surface of one side of the upper recovery shell, an oil gas pump is arranged on the outer surface of the other side of the upper recovery shell, and a gas inlet is formed in the upper recovery shell. The end part of the air suction end of the oil-gas pump is rotationally connected with an air suction pipe, and a driving mechanism capable of adjusting the angle of the air suction pipe is arranged on the outer surface of the air suction end of the oil-gas pump; and a fixed frame is installed at the end of the exhaust pipe, a movable frame is rotationally installed in the fixed frame, a dustproof net is arranged on the surface of the movable frame, and a first motor is installed on the outer surface of the fixed frame. And through the arrangement of the dustproof net, dust in air can be filtered when the oil-gas pump sucks a mixture of oil gas and air, so that the condition that impurities are attached to the surface of the high-molecular separation membrane can be reduced, and the separation performance of the high-molecular separation membrane is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil gas recovery technical field, concretely is a kind of gas station oil gas recovery condensing purification equipment. BACKGROUND

[0002] Gas station oil gas recovery is an environmental protection measure, through special equipment and system collection, processing and recycling volatile organic compounds in the process of dispensing, reduce these harmful gases directly discharged into the atmosphere, thereby reducing air pollution and health risks.

[0003] The Chinese patent with publication number CN217708889U discloses a gas station oil depot oil gas recovery equipment, which realizes the separation of oil gas and air in the mixed gas under the action of the high molecular separation membrane by the piston disc moving in the first recovery shell, so as to realize the recovery of oil gas. The recovery of oil gas only needs the flow of mixed gas and pressurization, and the required structure is simple, and the equipment cost is low.

[0004] However, when oil gas is mixed with air, dust in the air will also be mixed. When the dust directly enters the first recovery shell, it will adhere to the high molecular separation membrane, and with the increase of use time, the separation effect will be reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of gas station oil gas recovery condensing purification equipment, effectively solve the problem raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A kind of gas station oil gas recovery condensing purification equipment, including upper recovery shell and lower recovery shell, the inside of lower recovery shell is provided with high molecular separation membrane, the outer surface of one side of upper recovery shell is installed with exhaust pump, the outer surface of the other side of upper recovery shell is installed with oil gas pump, the end of oil gas pump suction end is rotatably connected with suction pipe, the outer surface of oil gas pump suction end is provided with the drive mechanism that can adjust the angle of suction pipe. The end of suction pipe is installed with fixed frame, the inside of fixed frame is rotatably installed with movable frame, the surface of movable frame is provided with dust screen, the outer surface of fixed frame is installed with first motor, and the end of first motor output shaft is connected with movable frame. The top of upper recovery shell is installed with first hydraulic cylinder, the end of first hydraulic cylinder telescopic end is installed with piston disc and penetrates into upper recovery shell, the bottom of lower recovery shell is connected with liquid outlet pipe, the bottom of liquid outlet pipe is provided with condensing tank, the inside of condensing tank is provided with spiral pipe, the outer surface of condensing tank is installed with liquid discharge pipe, and the both ends of spiral pipe are communicated with liquid outlet pipe and liquid discharge pipe respectively.

[0008] Therefore, through the setting of the dust screen, the dust in the air can be filtered when the oil gas pump sucks the oil gas and air mixture, so that the case that the high molecular separation membrane surface is attached with impurities can be reduced, the separation performance is improved, and when the dust screen at the end of the air suction pipe is attached with more dust and affects air circulation, the clean part of the dust screen can be rotated to the end of the air suction pipe by rotating the movable frame driven by the first motor, so that the normal circulation of air can be ensured, thereby reducing the cleaning and maintenance work of the dust screen by manual, and facilitating use.

[0009] Further, the driving mechanism comprises a second motor installed on the outer surface of the air suction end of the oil gas pump, a driving gear is installed at the end of the output shaft of the second motor, and a gear ring is installed on the outer surface of the air suction pipe and is in meshing connection with the driving gear.

[0010] Further, the bottom plate is provided with a stand plate on the upper surface of the bottom plate, a through groove is formed in the surface of the stand plate, a connecting plate is slidably installed in the through groove, the end of the connecting plate is connected with the upper recovery shell, a second hydraulic cylinder is installed on the top of the stand plate, and the end of the telescopic end of the second hydraulic cylinder is connected with the connecting plate.

[0011] Further, the outer surface of the fixed frame is provided with a brush plate, the side of the brush plate facing the dust screen is provided with bristles, and the bristles are in contact with the dust screen.

[0012] Further, the outer surface of the condenser is connected with a cooling water inlet pipe and a cooling water outlet pipe.

[0013] Further, the upper surface of the bottom plate is provided with a plurality of support columns, and the ends of the support columns are connected with the outer surface of the lower recovery shell.

[0014] Further, the inside of the liquid discharge pipe is provided with a valve.

[0015] Further, the material of the dust screen is stainless steel.

[0016] Compared with the prior art, the utility model has the advantages of the following.

[0017] 1. Through the setting of the dust screen, the dust in the air can be filtered when the oil gas pump sucks the oil gas and air mixture, so that the case that the high molecular separation membrane surface is attached with impurities can be reduced, the separation performance is improved, and when the dust screen at the end of the air suction pipe is attached with more dust and affects air circulation, the clean part of the dust screen can be rotated to the end of the air suction pipe by rotating the movable frame driven by the first motor, so that the normal circulation of air can be ensured, thereby reducing the cleaning and maintenance work of the dust screen by manual, and facilitating use.

[0018] 2. The utility model discloses through the setting of drive mechanism can adjust the angle of the air suction pipe, and further can suck the oil gas in the larger range, improves the operation range, through starting second hydraulic cylinder, can drive the upper recovery casing body and separates with lower recovery casing body and rises to the convenient change or cleaning operation of high molecule separation membrane. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is one of the whole structure perspective schematic drawing of the utility model;

[0020] Figure 2 It is the second whole structure perspective schematic drawing of the utility model;

[0021] Figure 3 It is Figure 1 The structure enlarged schematic drawing of A in the utility model;

[0022] Figure 4 It is the section structure schematic drawing of condensing tank in the utility model.

[0023] In the drawing: 100, upper recovery casing body;101, exhaust pump;102, oil gas pump;103, air suction pipe;104, fixed frame;105, movable frame;106, dust screen;107, first motor;108, first hydraulic cylinder;109, condensing tank;110, spiral pipe;111, liquid discharge pipe;112, liquid outlet pipe;113, lower recovery casing body;200, drive mechanism;201, second motor;202, drive gear;203, gear ring;300, bottom plate;301, vertical plate;302, through slot;303, link plate;304, second hydraulic cylinder;400, brush plate;500, cooling water inlet pipe;501, cooling water outlet pipe;600, support column. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0025] In the description of the embodiments of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms, "connect", "install" should be understood in broad sense, for example, "connect" can be detachably connected, also can be inseparably connected, can be directly connected, also can be indirectly connected through intermediate medium. In addition, "communication" can be directly communicated, also can be indirectly communicated through intermediate medium. Wherein, "fix" refers to the relative position relationship of being connected with each other and after connection. The orientation language mentioned in the embodiments of the utility model, for example, "in", "out", "top", "bottom" and the like, is only the direction of reference drawing, therefore, the orientation language used is for better, more clearly illustrating and understanding the embodiments of the utility model, and is not indicated or implied that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the embodiments of the utility model.

[0026] In the embodiments of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0027] Please refer to Figures 1-4 The utility model provides a kind of gas station oil gas recovery condensation purification equipment, including upper recovery shell body 100 and lower recovery shell body 113, the inside of lower recovery shell body 113 is provided with high molecular separation membrane, one side outer surface of upper recovery shell body 100 is installed with exhaust pump 101, the outer surface of the other side of upper recovery shell body 100 is installed with oil gas pump 102, the end of the suction end of oil gas pump 102 is rotatably connected with suction pipe 103, the outer surface of the suction end of oil gas pump 102 is provided with the drive mechanism 200 capable of adjusting the angle of suction pipe 103. The end of suction pipe 103 is installed with fixed frame 104, rotatably installed with movable frame 105 in the inside of fixed frame 104, the surface of movable frame 105 is provided with dust screen 106, the outer surface of fixed frame 104 is installed with first motor 107, and the end of first motor 107 output shaft is connected with movable frame 105. The top of upper recovery shell body 100 is installed with first hydraulic cylinder 108, and the end of first hydraulic cylinder 108 telescopic end is installed with piston disc and penetrates into upper recovery shell body 100, the bottom of lower recovery shell body 113 is connected with liquid outlet pipe 112, the bottom of liquid outlet pipe 112 is provided with condenser 109, the inside of condenser 109 is provided with spiral pipe 110, the outer surface of condenser 109 is installed with liquid discharge pipe 111, and the both ends of spiral pipe 110 are communicated with liquid outlet pipe 112 and liquid discharge pipe 111 respectively.

[0028] In use, the mixture of oil gas and air is sucked by the oil gas pump 102, and the dust screen 106 can filter the dust in the air, thereby reducing the possibility of impurities adhering to the surface of the polymer separation membrane, improving the separation performance thereof, and when the surface of the dust screen 106 at the end of the air suction pipe 103 is covered with a large amount of dust, affecting the air circulation, the first motor 107 can drive the rotating frame 105 to rotate, and the clean part of the dust screen 106 is rotated to the end of the air suction pipe 103, thereby ensuring the normal circulation of air, reducing the manual cleaning and maintenance work of the dust screen 106, facilitating use, and the setting of the driving mechanism 200 can adjust the angle of the air suction pipe 103, thereby being able to suck oil gas in a larger range and improve the working range; after the oil gas is separated by the polymer separation membrane, it enters the spiral pipe 110 from the liquid outlet pipe 112, and the oil gas flows in the spiral pipe 110 and gradually condenses into liquid, and finally is discharged from the liquid discharge pipe 111, thereby realizing the recovery of oil gas.

[0029] Specifically, the driving mechanism 200 comprises a second motor 201 installed on the outer surface of the air suction end of the oil gas pump 102, a driving gear 202 is installed at the end of the output shaft of the second motor 201, a tooth ring 203 is installed on the outer surface of the air suction pipe 103, and the tooth ring 203 is in meshing connection with the driving gear 202; when the second motor 201 is started, the output shaft drives the driving gear 202 to rotate, and since the driving gear 202 and the tooth ring 203 are in meshing connection with each other, the air suction pipe 103 can be driven to rotate, and by controlling the rotation angle of the output shaft of the second motor 201, the angle of the air suction pipe 103 can be adjusted.

[0030] Specific, the bottom of the condensing tank 109 is provided with a bottom plate 300, the upper surface of the bottom plate 300 is provided with a vertical plate 301 on both sides, the surface of the vertical plate 301 is provided with a through slot 302, the inside of the through slot 302 is slidably provided with a connecting plate 303, and the end of the connecting plate 303 is connected with the upper recovery shell 100, when it is necessary to replace or clean the high polymer separation membrane, the second hydraulic cylinder 304 on both sides can be started, the telescopic end of the second hydraulic cylinder 304 drives the connecting plate 303 to rise, and then drives the upper recovery shell 100 to rise and separate from the lower recovery shell 113, at this time, the worker can take out the high polymer separation membrane in the lower recovery shell 113 for replacement or cleaning, after the high polymer separation membrane is reinstalled in the lower recovery shell 113, the upper recovery shell 100 is lowered again by the second hydraulic cylinder 304 and closed with the lower recovery shell 113, so that the replacement or cleaning work of the high polymer separation membrane can be greatly facilitated, and the upper surface of the lower recovery shell 113 is provided with a sealing gasket (not shown in the figure), the sealing gasket can improve the sealing between the upper recovery shell 100 and the lower recovery shell 113, and air leakage is avoided.

[0031] Specifically, the outer surface of the fixed frame 104 is provided with a brush plate 400, the side of the brush plate 400 facing the dust screen 106 is provided with bristles, and the bristles are in contact with the dust screen 106. When the surface of the entire dust screen 106 is attached with dust, the first motor 107 can be started to drive the movable frame 105 to rotate at high speed, and the cleaning of the surface of the dust screen 106 is completed by the bristles during the rotation, thereby further reducing the cleaning and maintenance work of the dust screen 106 by manual operation, and facilitating use.

[0032] Specifically, the outer surface of the condensing tank 109 is connected with a cooling water inlet pipe 500 and a cooling water outlet pipe 501 respectively, and the cooling water inlet pipe 500 and the cooling water outlet pipe 501 are arranged to realize the circulation of cooling water in the condensing tank 109, thereby providing necessary temperature regulation for the condensation of oil gas.

[0033] Specifically, the upper surface of the bottom plate 300 is provided with a plurality of support columns 600, the ends of the support columns 600 are connected with the outer surface of the lower recovery shell 113, and the support columns 600 are arranged to support the lower recovery shell 113 and improve the structural stability thereof.

[0034] Specifically, the inside of the liquid discharge pipe 111 is provided with a valve, and the valve is arranged to control the discharge of gasoline.

[0035] Specifically, the dust screen 106 is made of stainless steel, the stainless steel has good structural strength, can resist cleaning by the bristles, is not easy to be damaged, and has a long service life.

[0036] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application 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. No reference signs in the claims shall be construed as limiting the scope of the claims.

Claims

1. A gas station oil gas recovery condensation purification equipment, comprising an upper recovery shell (100) and a lower recovery shell (113), the inside of the lower recovery shell (113) is provided with a high molecular separation membrane, characterized in that: One side of the outer surface of the upper recovery shell (100) is provided with an exhaust pump (101), the other side of the outer surface of the upper recovery shell (100) is provided with an oil gas pump (102), the end of the suction end of the oil gas pump (102) is rotatably connected with an exhaust pipe (103), and the outer surface of the suction end of the oil gas pump (102) is provided with a driving mechanism (200) capable of adjusting the angle of the exhaust pipe (103); The end of the exhaust pipe (103) is provided with a fixed frame (104), the inside of the fixed frame (104) is rotatably provided with a movable frame (105), the surface of the movable frame (105) is provided with a dust screen (106), the outer surface of the fixed frame (104) is provided with a first motor (107), and the end of the output shaft of the first motor (107) is connected with the movable frame (105); The top of the upper recovery shell (100) is provided with a first hydraulic cylinder (108), the end of the telescopic end of the first hydraulic cylinder (108) penetrates into the upper recovery shell (100) and is provided with a piston disc, the bottom of the lower recovery shell (113) is connected with a liquid outlet pipe (112), the bottom of the liquid outlet pipe (112) is provided with a condensation tank (109), the inside of the condensation tank (109) is provided with a spiral pipe (110), the outer surface of the condensation tank (109) is provided with a liquid discharge pipe (111), and the two ends of the spiral pipe (110) are respectively communicated with the liquid outlet pipe (112) and the liquid discharge pipe (111).

2. The gas station oil gas recovery condensation purification equipment according to claim 1, characterized in that: The driving mechanism (200) comprises a second motor (201) mounted on the outer surface of the suction end of the oil gas pump (102), the end of the output shaft of the second motor (201) is provided with a driving gear (202), the outer surface of the exhaust pipe (103) is provided with a gear ring (203), and the gear ring (203) is meshedly connected with the driving gear (202).

3. The gas station oil gas recovery condensation purification equipment according to claim 1, characterized in that: The bottom of the condensation tank (109) is provided with a bottom plate (300), the two sides of the upper surface of the bottom plate (300) are provided with vertical plates (301), the surface of the vertical plate (301) is provided with a through slot (302), the inside of the through slot (302) is slidably provided with a connecting plate (303), the end of the connecting plate (303) is connected with the upper recovery shell (100), and the top of the vertical plate (301) is provided with a second hydraulic cylinder (304), the end of the telescopic end of the second hydraulic cylinder (304) is connected with the connecting plate (303).

4. The gas station oil gas recovery condensation purification equipment according to claim 1, characterized in that: The outer surface of the fixed frame (104) is provided with a brush plate (400), one side of the brush plate (400) is provided with bristles, and the bristles are in contact with the dust screen (106).

5. The oil and gas recovery condensation purification equipment for gas station according to claim 1, characterized in that: The outer surface of the condensation tank (109) is respectively connected with a cooling water inlet pipe (500) and a cooling water outlet pipe (501).

6. The oil and gas recovery condensation purification equipment for gas station according to claim 3, characterized in that: The upper surface of the bottom plate (300) is provided with a plurality of support columns (600), and the end of the support column (600) is connected with the outer surface of the lower recovery shell (113).

7. The oil and gas recovery condensation purification equipment for gas station according to claim 1, characterized in that: The inside of the liquid discharge pipe (111) is provided with a valve.

8. The oil and gas recovery condensation purification equipment for gas station according to claim 1, characterized in that: The material of the dust screen (106) is stainless steel.

Citation Information

Patent Citations

  • Oil gas recovery equipment for oil depot of gas station

    CN217708889U