Anti-coking settler for petroleum refining

Abstract

The invention relates to the technical field of petrochemical industry, and discloses an anti-coking settler for petroleum refining, which comprises a device main body, a fitting outer ring is arranged on the outer side, close to the top end, of the device main body, a hexagon nut is arranged at the bottom end of the fitting outer ring, and an air seal curtain ring and a collecting assembly are arranged on the inner side, close to the bottom end, of the device main body. The collecting assembly comprises a device top cover, an oil collecting tank and a centrifugal pipeline, a stable outer ring is arranged on the outer side of the centrifugal pipeline, a cut-in block is arranged on the portion, close to the top end, of the inner wall of the centrifugal pipeline, a spiral flow deflector is arranged in the middle of the inner side of the centrifugal pipeline, and a stable bottom ring is arranged at the bottom end of the spiral flow deflector. The cleaning assembly comprises a collecting block, a rotating shaft, a rotating motor and a stable base, a telescopic block is arranged on one side of the inner side of the stable base, a motor base is arranged at one end of the telescopic block, and a connecting rotary knob is arranged on the outer side of the motor base, so that the device can conveniently achieve the separation effect of coke powder in lifted oil gas, and meanwhile, coke after coking can be cleaned.

Description

Technical Field

[0001] This invention relates to the field of petrochemical technology, and more specifically to an anti-coking settling device for petroleum refining. Background Technology

[0002] Petroleum refining, also known as petroleum processing, is the process of separating and transforming crude oil into various petroleum products through a series of physical and chemical processes. The goal of this process is to separate the various components of crude oil and process them into refined oil products and chemical raw materials that meet market and consumer demands. Simply put, petroleum refining is the process of turning crude oil into various oil products and chemical raw materials used in our daily lives through a series of complex processes.

[0003] Existing anti-coking settling devices for petroleum refining, such as the one disclosed in Chinese invention patent CN 104388112 A (which describes a two-stage riser catalytic cracking anti-coking settling device), include: a settling device shell; inside the settling device shell are a first-stage riser coarse cyclone separator, a first-stage top cyclone separator, a second-stage riser coarse cyclone separator, and a second-stage top cyclone separator; the key feature is that an inner stripping section hood is also provided inside the settling device shell, with the hood and the settling device shell located on the same longitudinal central axis; the upper end of the hood is closed, and the lower end is open; wherein, the material legs of the first and second stage riser coarse cyclone separators extend into the hood, while the material legs of the first and second stage top cyclone separators are located outside the hood; and the air outlet of the first stage riser coarse cyclone separator and the air inlet of the first stage top cyclone separator are located between... The connection is not direct. There is a certain distance between the air outlet of the first-stage riser coarse cyclone separator and the air inlet of the first-stage top cyclone separator. The air outlet of the first-stage riser coarse cyclone separator and the air inlet of the first-stage top cyclone separator are located on the same horizontal center line. Alternatively, the horizontal center line of the air inlet of the first-stage top cyclone separator is higher than the horizontal center line of the air outlet of the first-stage riser coarse cyclone separator. The horizontal center lines of the two are in the same vertical plane. The air outlet of the second-stage riser coarse cyclone separator and the air inlet of the second-stage top cyclone separator are connected in a sealed manner. The hood is connected to the second-stage coarse cyclone riser pipe located above the second-stage riser coarse cyclone separator through a guide pipe. One end of the guide pipe is located on the upper part of the hood.

[0004] However, during operation, the use of large amounts of catalysts and a two-stage design can only delay the problem of coking in the settling tank. When the equipment is used for too long, coking can still easily occur in the settling tank, and cleaning the coked areas is also quite troublesome. At the same time, when using a cyclone separator to separate coke powder from oil and gas, the airflow can easily rush directly against the tank wall, resulting in turbulent back mixing, which causes some of the separated coke powder to be re-entrained. In view of this, we propose an anti-coking settling tank for petroleum refining to separate coke powder from oil and gas. Summary of the Invention

[0005] The purpose of this invention is to provide an anti-coking settling device for petroleum refining to solve the problems mentioned in the background art.

[0006] In view of this, the present invention provides an anti-coking settling device for petroleum refining, comprising: The device body has an outer fitting ring on the outer side near the top, a hexagonal nut at the bottom of the outer fitting ring, and an air-sealing curtain ring on the inner side near the bottom of the device body. The inner surface of the air-sealing curtain ring has air holes. The collection component includes a device top cover and an oil collection tank, with the device top cover installed on the top of the device body; The centrifugal pipe is installed in the middle part of the inner side of the main body of the device. A stable outer ring is provided on the outer side of the centrifugal pipe. A cutting block is provided on the inner wall of the centrifugal pipe near the top. A spiral guide vane is provided in the middle part of the inner side of the centrifugal pipe. A stable bottom ring is provided at the bottom end of the spiral guide vane. The cleaning assembly includes a collection block, a rotating shaft, and a rotating motor. The collection block is installed at the bottom of the main body of the device, the rotating shaft is installed inside the collection block, and the rotating motor is installed at the bottom of the rotating shaft. A stabilizing base is installed on the outside of the main body of the device. A telescopic block is provided on one side of the inner side of the stabilizing base. A motor base is provided at one end of the telescopic block. A connecting knob is provided on the outside of the motor base.

[0007] In the above technical solution, further, the outer fitting ring is fixedly installed on the outer side of the device body near the top, the hexagonal nut is fitted onto the bottom end of the outer fitting ring, the gas sealing curtain ring is fixedly installed on the inner side of the device body, the air holes are arranged in a ring array on the inner surface of the gas sealing curtain ring, and the air holes are arranged in three layers. The device body can be fitted and installed with the device top cover through the outer fitting ring. The inner side of the gas sealing curtain ring is equipped with a high-pressure vortex fan, model Tuthill CBF-820-IS, which is suitable for sealing dusty oil and gas in delayed coking, catalytic cracking, etc. The air holes in the inner layer of the gas sealing curtain ring are designed with a 22° centripetal angle to facilitate high-speed puncture of the leaking medium. The air holes in the middle layer of the gas sealing curtain ring are designed with a 28° tangential angle to facilitate maintaining laminar flow and balancing the pressure gradient. The air holes in the outer layer of the gas sealing curtain ring are designed with a 17° reverse angle to facilitate the suppression of environmental gas entrainment and the elimination of vortices.

[0008] In the above technical solution, further, the collection component includes a device top cover, an outer side of the device top cover near the bottom is provided with a fitting sub-ring, an inner side of the fitting sub-ring near the edge is provided with a fixing screw, a feed pipe is provided in the middle of the top of the device top cover, a discharge pipe is provided on one side of the feed pipe, a filter block is provided at the bottom of the inner side of the device top cover, the fitting sub-ring is fixedly installed on the outer side of the device top cover near the bottom, the fixing screw is rotatably installed on the inner side of the fitting sub-ring near the edge, the feed pipe is fixedly installed in the middle of the top of the device top cover, the discharge pipe is fixedly installed on one side of the feed pipe, and the filter block is fixedly connected to the device top cover. During the sedimentation process, the gas phase in the oil and gas is usually rising due to its lower density and the influence of the force field. At this time, the gas phase oil and gas will be filtered by the filter block at the bottom of the inner side of the device top cover and enter the inner side of the device top cover. Then, it can be extracted by the negative pressure device provided at the discharge pipe.

[0009] In the above technical solution, furthermore, the collecting assembly also includes an oil collecting tank, which is installed inside the main body of the device. A Venturi generator is located inside the oil collecting tank, and an inlet anti-vortex device is located on one side of the Venturi generator. An inclined base plate is located at the bottom of the oil collecting tank, and an oil drain valve is located on one side of the oil collecting tank. The Venturi generator is fixedly installed inside the oil collecting tank, the inlet anti-vortex device is fixedly installed on one side of the Venturi generator, the inclined base plate is fixedly installed at the bottom of the oil collecting tank, and the oil drain valve is fixedly connected to one side of the oil collecting tank. After centrifugation, the oil and gas will fall down, while the air seal curtain generated inside the air seal curtain will block the oil and gas and blow it upward. Since the density of coke powder is greater than that of oil and gas, it will pass through the air seal curtain and enter the inner side of the collection block. Due to the 8° inclination of the inclined bottom plate, the Venturi generator in the oil collection tank will draw the liquid phase oil and gas into the inner side of the oil collection tank through negative pressure. At the same time, the generation of eddies is reduced by the assistance of the inlet anti-vortex device. Finally, the liquid phase oil and gas in the oil collection tank can be extracted by opening the oil drain valve. The Venturi generator is model KROHNE OPTIVENT 210, with a throat flow velocity >7m / s (critical anti-clogging flow velocity) + 30° diffusion angle to facilitate the elimination of heavy oil retention. The inlet anti-vortex device is model Eaton HDV-60, with 60° inclined blades that are precisely matched to the large-angle oil tank.

[0010] In the above technical solution, the stabilizing outer ring is fixedly installed on the outside of the centrifugal pipe, the cutting block is fixedly installed on the inner wall of the centrifugal pipe near the top, the spiral guide vane is fixedly installed in the middle of the inner side of the centrifugal pipe, and the spiral guide vane is a two-section design. The stabilizing bottom ring is fixedly installed at the bottom of the spiral guide vane. The oil and gas turbulence entering the inner side of the centrifugal pipe will enter the spiral guide vane after being guided by the cutting block. Since there are four spiral guide vanes in the upper area and six spiral guide vanes in the lower area of ​​the inner side of the centrifugal pipe, it is convenient to quickly generate a centrifugal force field, thereby quickly separating coke powder in the oil and gas. At the same time, the inner wall of the centrifugal pipe is designed with fish scales, which makes it difficult for tar to adhere to the inner wall of the centrifugal pipe, reducing the coking situation.

[0011] In the above technical solution, further, the collecting component includes a collecting block, which is installed at the bottom of the main body of the device. A discharge inclined pipe is provided on the outer side of the collecting block, and a connecting outer ring is provided at the bottom end of the collecting block. A discharge circular block is provided on the inner side of the connecting outer ring, and a collecting bucket is provided on the bottom surface of the discharge circular block. A connecting bolt is provided on the outer side of the top end of the collecting bucket. The discharge inclined pipe is fixedly installed at an inclined angle on the outer side of the collecting block. The connecting outer ring is fixedly installed at the bottom end of the collecting block. The discharge circular block is fixedly connected to the collecting block. The collecting bucket is fitted against the bottom surface of the discharge circular block. The connecting bolt is rotatably installed on the outer side of the top end of the collecting bucket. Coke powder and coke entering the inner side of the collecting block will enter the inner side of the collecting bucket through the discharge circular block, while larger coke will be discharged through the discharge inclined pipe, facilitating the processing of coke powder and coke.

[0012] In the above technical solution, the collecting component further includes a rotating shaft, which is installed inside the main body of the device. A connecting wedge is provided on the outer side of the rotating shaft. A rotating scraper is provided at one end of the connecting wedge, and a connecting rod is provided at the bottom end of the rotating shaft. The connecting wedge is fixedly installed on the outer side of the rotating shaft. The rotating scraper is centrally mounted on one end of the connecting wedge via a three-point centering bracket. The connecting rod is fixedly connected to the rotating shaft. When coke powder and coke enter the inner side of the collecting block for too long, they are prone to sticking to the inner wall of the collecting block. At this time, the connecting rod can be rotated by a rotating motor, which in turn drives the rotating shaft to rotate. The rotating scraper at one end of the connecting wedge will also rotate, thereby scraping off the coke powder and coke sticking to the inner wall of the collecting block, facilitating the cleaning of the coke powder and coke.

[0013] In the above technical solution, the collecting component further includes a rotary motor, which is mounted at the bottom end of a rotating shaft. The output end of the rotary motor has a fitted circular plate, with a fixing bolt on the inner side of the fitted circular plate. A connecting top block is located at the top of the fitted circular plate, and fitted inserts are located on both sides of the bottom end of the connecting top block. The fitted circular plate is fixedly mounted on the outer side of the motor output end of the rotary motor. The fixing bolt is rotatably mounted on the inner side of the fitted circular plate near its edge. The connecting top block is fitted to the top of the fitted circular plate, and the fitted inserts are fixedly mounted... The rotating motor is a commercially available product, and its principle, connection method, and control method are all existing technologies well known to those skilled in the art, so they will not be described in detail here. The fixing bolts can be removed by rotating them, and then the rotating motor can be pulled down to make the fitting insert at the bottom of the connecting top block separate from the fitting disc. Then the connecting top block can be pulled down to make it separate from the connecting insert. Finally, the connecting bolts can be rotated off, and the collection bucket can be removed to facilitate the cleaning of the coke powder and coke inside the collection bucket.

[0014] In the above technical solution, the telescopic block is further fixedly installed on the inner side of the stabilizing base, the motor base is fixedly installed on one end of the telescopic block, the connecting knob is rotatably installed on the outer side of the motor base, and the stabilizing base is installed on the outer side of the main body of the device near the middle part. Then the connecting knob can be removed by rotating it, and the telescopic block can be pushed to one side so that the two motor bases are no longer in contact, which facilitates the disassembly of the rotating motor.

[0015] The beneficial effects of this invention are: 1. This anti-coking settling device for petroleum refining can be installed by fitting the outer ring to the top cover of the device. The inner side of the gas sealing curtain ring is equipped with a high-pressure vortex fan, model Tuthill CBF-820-IS, which is suitable for sealing dusty oil and gas in delayed coking, catalytic cracking and other processes. The pores of the inner layer of the gas sealing curtain ring are designed with a 22° centripetal angle to facilitate high-speed penetration of the leaked medium. The pores of the middle layer of the gas sealing curtain ring are designed with a 28° tangential angle to facilitate maintaining laminar flow and balancing the pressure gradient. The pores of the outer layer of the gas sealing curtain ring are designed with a 17° reverse angle to facilitate the suppression of environmental gas entrainment and the elimination of vortices.

[0016] 2. In this anti-coking settling device for petroleum refining, the turbulent flow of oil and gas entering the inner side of the centrifugal pipe is guided by the cutting block to the spiral guide vanes. Since there are four spiral guide vanes in the upper section and six spiral guide vanes in the lower section of the inner side of the centrifugal pipe, it is easy to quickly generate a centrifugal force field, thereby quickly separating coke powder from oil and gas. At the same time, the inner wall of the centrifugal pipe is designed with fish scales, which makes it difficult for tar to adhere to the inner wall of the centrifugal pipe, reducing coking.

[0017] 3. When this anti-coking settling device for petroleum refining needs cleaning, if coke powder and coke remain inside the collection block for too long, they can easily adhere to the inner wall of the collection block. In this case, a rotating motor can be used to drive the connecting rod to rotate, which in turn drives the rotating shaft to rotate. At the same time, the rotating scraper at one end of the connecting inclined block will also rotate, thereby scraping off the coke powder and coke adhering to the inner wall of the collection block, facilitating the cleaning of the coke powder and coke.

[0018] 4. When processing coke powder and coke in this petroleum refining anti-coking settling device, the fixing bolts can be removed by rotating them. Then, the rotating motor is pulled down so that the fitting rod at the bottom of the connecting top block is separated from the fitting disc. Then, the connecting top block is pulled down so that it is separated from the connecting rod. Finally, the connecting bolts can be rotated off, and the collection bucket can be removed to facilitate the processing of coke powder and coke inside the collection bucket. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a schematic diagram of the overall exploded structure of the present invention.

[0021] Figure 3 This is a schematic diagram of the main structure of the device of the present invention.

[0022] Figure 4 This is a schematic diagram of the top cover structure of the device of the present invention.

[0023] Figure 5 This is a schematic diagram of the oil collection tank structure of the present invention.

[0024] Figure 6 This is a schematic diagram of the centrifugal pipeline structure of the present invention.

[0025] Figure 7 This is a schematic diagram of the collection block structure of the present invention.

[0026] Figure 8 This is a schematic diagram of the rotating shaft structure of the present invention.

[0027] Figure 9 This is a schematic diagram of the rotary motor structure of the present invention.

[0028] Figure 10 This is a schematic diagram of the stable base structure of the present invention.

[0029] The attached figures are labeled as follows: 1. Main body of the device; 101. Fitting outer ring; 102. Hexagonal nut; 103. Air seal curtain ring; 104. Air hole; 2. Top cover of the device; 201. Fitting secondary ring; 202. Fixing screw; 203. Feed pipe; 204. Discharge pipe; 205. Filter block; 3. Oil collection tank; 301. Venturi generator; 302. Inlet anti-vortex device; 303. Inclined base plate; 304. Oil discharge valve; 4. Centrifugal pipeline; 401. Stabilizing outer ring; 402. Cutting block; 403. Spiral guide vane 404. Stabilizing bottom ring; 5. Collecting block; 501. Discharge inclined tube; 502. Connecting outer ring; 503. Discharge round block; 504. Collecting bucket; 505. Connecting bolt; 6. Rotating shaft; 601. Connecting inclined block; 602. Rotating scraper; 603. Connecting rod; 7. Rotating motor; 701. Adhesive round piece; 702. Fixing bolt; 703. Connecting top block; 704. Adhesive rod; 8. Stabilizing base; 801. Telescopic block; 802. Motor base; 803. Connecting knob. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0031] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0032] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0033] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0034] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0035] Example 1: Please see Figures 1-10 As shown in the figure, this embodiment provides an anti-coking settling device for petroleum refining.

[0036] The device includes: a main body 1, with a fitting outer ring 101 on the outer side near the top, a hexagonal nut 102 at the bottom of the fitting outer ring 101, and an air-sealing curtain ring 103 on the inner side near the bottom of the main body 1, with air holes 104 on the inner surface of the air-sealing curtain ring 103; a collection assembly, including a top cover 2 and an oil collection tank 3, with the top cover 2 mounted on the top of the main body 1; and a centrifugal pipe 4, installed in the middle of the inner side of the main body 1, with a stabilizing outer ring 401 on the outer side of the centrifugal pipe 4, and a stabilizing outer ring 401 on the inner wall near the top of the centrifugal pipe 4. The centrifugal pipe 4 has a spiral guide vane 403 located in the middle of its inner side, and a stabilizing bottom ring 404 at its bottom end. A cleaning assembly includes a collection block 5, a rotating shaft 6, and a rotating motor 7. The collection block 5 is installed at the bottom of the main body 1, the rotating shaft 6 is installed inside the collection block 5, and the rotating motor 7 is installed at the bottom end of the rotating shaft 6. A stabilizing base 8 is installed on the outside of the main body 1. A telescopic block 801 is located on one side of the inner side of the stabilizing base 8. A motor base 802 is located at one end of the telescopic block 801, and a stabilizing ring 404 is located on the outside of the motor base 802. With a connecting knob 803, during the separation of coke powder and coke from oil and gas, the oil and gas enter the inner side of the centrifugal pipe 4 through the feed pipe 203 located at the top of the device top cover 2. The turbulent potential energy of the oil and gas is then reduced by the cutting block 402, allowing the oil and gas to enter the spiral guide vanes 403. The spiral guide vanes 403, with four on top and six on the bottom, quickly generate a centrifugal force field, throwing the coke powder and coke from the oil and gas towards the pipe wall of the centrifugal pipe 4. Because the pipe wall of the centrifugal pipe 4 has a fish-scale design, the coke powder and coke are less likely to adhere to the inner wall of the centrifugal pipe 4. At this point, the coke powder and coke will fall. Due to the high density of the coke powder and coke, when the coke powder and coke... When the coke falls, it passes through the air-sealed curtain formed inside the air-sealed curtain ring 103, which facilitates the coke powder and coke falling into the collection block 5. The oil and gas are pushed upward through the air-sealed curtain formed inside the air-sealed curtain ring 103, and then through the inclined bottom plate 303 at an 8° angle. At the same time, the Venturi generator 301 in the oil collection tank 3 will also draw the liquid phase oil and gas into the inside of the oil collection tank 3 through negative pressure. The assistance of the inlet anti-vortex device 302 can reduce the generation of vortices. Finally, the liquid phase oil and gas in the oil collection tank 3 can be extracted by opening the oil discharge valve 304, which helps to reduce the airflow directly hitting the device wall, thereby reducing turbulent back mixing and causing some of the separated coke powder to be entrained again.

[0037] Example 2: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The outer fitting ring 101 is fixedly installed on the outer side of the device body 1 near the top. The hexagonal nut 102 is fitted to the bottom end of the outer fitting ring 101. The air-sealed curtain ring 103 is fixedly installed on the inner side of the device body 1. The air holes 104 are arranged in a ring array on the inner surface of the air-sealed curtain ring 103, and the air holes 104 are arranged in three layers. The device body 1 can be fitted and installed to the device top cover through the outer fitting ring 101. The inner side of the air-sealed curtain ring 103 is provided with a high-pressure vortex. The flow fan, model TuthillCBF-820-IS, is suitable for sealing dusty oil and gas in delayed coking, catalytic cracking, and other processes. The inner layer of the gas seal curtain ring 103 has a 22° centripetal angle design for easy high-speed penetration of the leaked medium. The middle layer of the gas seal curtain ring 103 has a 28° tangential angle design for easy maintenance of laminar flow and balance of pressure gradient. The outer layer of the gas seal curtain ring 103 has a 17° reverse angle design for easy suppression of ambient gas entrainment and elimination of eddies.

[0038] Example 3: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The device top cover 2 has a fitting sub-ring 201 on its outer side near the bottom, and a fixing screw 202 on its inner side near the edge. The top center of the device top cover 2 has a feed pipe 203, and a discharge pipe 204 is located on one side of the feed pipe 203. A filter block 205 is located at the bottom inner side of the device top cover 2. The fitting sub-ring 201 is fixedly installed on the outer side of the device top cover 2 near the bottom, and the fixing screw 202 is rotatably installed on the inner side of the fitting sub-ring 201 near the edge. The feed pipe 203 is fixedly installed in the middle part of the top of the device top cover 2, and the discharge pipe 204 is fixedly installed on one side of the feed pipe 203. The filter block 205 is fixedly connected to the device top cover 2. During the sedimentation process, the gas phase in the oil and gas is usually rising upward due to its lower density and the influence of the force field. At this time, the gas phase oil and gas will be filtered by the filter block 205 provided at the bottom of the inner side of the device top cover 2 and then enter the inner side of the device top cover 2. Then it can be extracted by the negative pressure device provided at the outlet of the discharge pipe 204.

[0039] Example 4: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The oil collection tank 3 is installed inside the main body 1 of the device. A Venturi generator 301 is located inside the oil collection tank 3. An inlet anti-vortex device 302 is located on one side of the Venturi generator 301. An inclined base plate 303 is located at the bottom of the oil collection tank 3. An oil discharge valve 304 is located on one side of the oil collection tank 3. The Venturi generator 301 is fixedly installed inside the oil collection tank 3. The inlet anti-vortex device 302 is fixedly installed on one side of the Venturi generator 301. The inclined base plate 303 is fixedly installed at the bottom of the oil collection tank 3. The oil discharge valve 304 is fixedly connected to one side of the oil collection tank 3. After centrifugation... The oil and gas will fall down, and the air seal curtain generated inside the air seal curtain ring 103 will block the oil and gas and blow it upward. Since the density of coke powder is greater than that of oil and gas, it will pass through the air seal curtain and enter the inner side of the collection block 5. Since the inclined bottom plate 303 has an 8° inclination angle, the Venturi generator 301 in the oil collection tank 3 will draw the liquid phase oil and gas into the inner side of the oil collection tank 3 through negative pressure. At the same time, the generation of vortex is reduced by the assistance of the inlet anti-vortex device 302. Finally, the liquid phase oil and gas in the oil collection tank 3 can be extracted by opening the oil drain valve 304. The Venturi generator 301 is model KROHNE OPTIVENT 210, and its throat flow velocity is >7m / s (critical anti-clogging flow velocity) + 30° diffusion angle to facilitate the elimination of heavy oil retention. The inlet anti-vortex device 302 is model Eaton HDV-60, and its 60° inclination blades are precisely matched to the large inclination tank.

[0040] Example 5: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The stabilizing outer ring 401 is fixedly installed on the outside of the centrifugal pipe 4. The cutting block 402 is fixedly installed on the inner wall of the centrifugal pipe 4 near the top. The spiral guide vane 403 is fixedly installed in the middle of the inner side of the centrifugal pipe 4, and the spiral guide vane 403 has a two-section design. The stabilizing bottom ring 404 is fixedly installed at the bottom of the spiral guide vane 403. The oil and gas turbulence entering the inner side of the centrifugal pipe 4 will enter the spiral guide vane 403 after being guided by the cutting block 402. Since there are four spiral guide vanes 403 in the upper area and six spiral guide vanes 403 in the lower area of ​​the inner side of the centrifugal pipe 4, it is convenient to quickly generate a centrifugal force field, thereby quickly separating coke powder in the oil and gas. At the same time, the inner wall of the centrifugal pipe 4 has a fish scale design, which makes it difficult for tar to adhere to the inner wall of the centrifugal pipe 4, reducing the coking situation.

[0041] Example 6: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The collection component includes a collection block 5, which is installed at the bottom of the main body 1 of the device. A discharge inclined pipe 501 is provided on the outer side of the collection block 5. A connecting outer ring 502 is provided at the bottom end of the collection block 5. A discharge circular block 503 is provided on the inner side of the connecting outer ring 502. A collection bucket 504 is provided on the bottom surface of the discharge circular block 503. A connecting bolt 505 is provided on the outer side of the top of the collection bucket 504. The discharge inclined pipe 501 is fixedly installed at an inclined angle on the outer side of the collection block 5. On the side, the connecting outer ring 502 is fixedly installed at the bottom end of the collecting block 5, the feeding round block 503 is fixedly connected to the collecting block 5, the collecting bucket 504 is fitted to the bottom surface of the feeding round block 503, and the connecting bolt 505 is rotatably installed on the outer side of the top of the collecting bucket 504. Coke powder and coke entering the inner side of the collecting block 5 will enter the inner side of the collecting bucket 504 through the feeding round block 503, while larger coke will be discharged through the discharge inclined pipe 501, which facilitates the processing of coke powder and coke.

[0042] Example 7: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The collection component includes a rotating shaft 6, which is installed inside the main body 1 of the device. A connecting inclined block 601 is provided on the outer side of the rotating shaft 6. A rotating scraper 602 is provided at one end of the connecting inclined block 601, and a connecting rod 603 is provided at the bottom end of the rotating shaft 6. The connecting inclined block 601 is fixedly installed on the outer side of the rotating shaft 6, and the rotating scraper 602 is centrally mounted on one end of the connecting inclined block 601 through a three-point centering bracket. The connecting rod 603 is fixedly connected to the rotating shaft 6. When coke powder and coke enter the inner side of the collection block 5 for too long, they are prone to sticking to the inner wall of the collection block. At this time, the connecting rod 603 can be rotated by the rotating motor 7, so that the connecting rod 603 drives the rotating shaft 6 to rotate. At this time, the rotating scraper 602 provided at one end of the connecting inclined block 601 will also rotate, thereby scraping off the coke powder and coke sticking to the inner wall of the collection block 5, which facilitates the cleaning of coke powder and coke.

[0043] Example 8: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The collecting assembly also includes a rotary motor 7, which is mounted at the bottom end of a rotating shaft. The output end of the rotary motor 7 has a fitting disc 701. A fixing bolt 702 is located on the inner side of the fitting disc 701. A connecting top block 703 is located at the top of the fitting disc 701. Fitting inserts 704 are located on both sides of the bottom end of the connecting top block 703. The fitting disc 701 is fixedly mounted on the outer side of the motor output end of the rotary motor 7. The fixing bolt 702 is rotatably mounted on the inner side of the fitting disc 701 near its edge. The connecting top block 703 is fitted to the top of the fitting disc 701. The fitting inserts 704 are fixedly mounted on... The bottom two sides of the connecting top block 703 are near the edge. The rotary motor 7 is a commercially available product. Its principle, connection method and control method are existing technologies well known to those skilled in the art, so they will not be described in detail here. The fixing bolt 702 can be removed by rotation. Then, the rotary motor 7 is pulled down so that the fitting rod 704 at the bottom of the connecting top block 703 is separated from the fitting disc 701. Then, the connecting top block 703 is pulled down so that it is separated from the connecting rod 603. Finally, the connecting bolt 505 can be rotated off. At this time, the collection bucket 504 can be removed to facilitate the cleaning of coke powder and coke inside the collection bucket 504.

[0044] Example 9: This embodiment provides an anti-coking settling device for petroleum refining, in addition to the features described in the above embodiments. In addition to the technical solution, it also has the following technical features: The telescopic block 801 is fixedly installed on one side of the inner side of the stabilizing base 8, the motor base 802 is fixedly installed on one end of the telescopic block 801, and the connecting knob 803 is rotatably installed on the outer side of the motor base 802. The stabilizing base 8 is installed on the outer side of the main body of the device near the middle part. Then the connecting knob 803 can be removed by rotating it, and the telescopic block 801 can be pushed to one side so that the two motor bases 802 are no longer in contact, which facilitates the disassembly of the rotating motor.

[0045] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A coking-preventing settling device for petroleum refining, characterized in that, include: The device body (1) has an outer fitting ring (101) on the outer side near the top, a hexagonal nut (102) at the bottom end of the outer fitting ring (101), and an air-sealed curtain ring (103) on the inner side near the bottom end of the device body (1). The inner surface of the air-sealed curtain ring (103) has air holes (104). The collection component includes a device top cover (2) and an oil collection tank (3), and the device top cover (2) is installed on the top of the device body (1); Centrifugal pipe (4), the centrifugal pipe (4) is installed in the middle part of the inner side of the main body (1) of the device, the outer side of the centrifugal pipe (4) is provided with a stable outer ring (401), the inner wall of the centrifugal pipe (4) is provided with a cutting block (402) near the top, the middle part of the inner side of the centrifugal pipe (4) is provided with a spiral guide plate (403), and the bottom end of the spiral guide plate (403) is provided with a stable bottom ring (404). The cleaning assembly includes a collection block (5), a rotating shaft (6), and a rotating motor (7). The collection block (5) is installed at the bottom of the main body (1) of the device, the rotating shaft (6) is installed inside the collection block (5), and the rotating motor (7) is installed at the bottom of the rotating shaft (6). A stabilizing base (8) is installed on the outside of the main body (1) of the device. A telescopic block (801) is provided on one side of the inner side of the stabilizing base (8). A motor base (802) is provided at one end of the telescopic block (801). A connecting knob (803) is provided on the outside of the motor base (802).

2. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The fitting outer ring (101) is fixedly installed on the outer side of the device body (1) near the top. The hexagonal nut (102) is fitted and installed at the bottom of the fitting outer ring (101). The air-sealing curtain ring (103) is fixedly installed on the inner side of the device body (1). The air holes (104) are arranged in a ring array on the inner surface of the air-sealing curtain ring (103), and the air holes (104) are provided in three layers.

3. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The collection assembly includes a device top cover (2), with a fitting sub-ring (201) on the outer side near the bottom of the device top cover (2), a fixing screw (202) on the inner side near the edge of the fitting sub-ring (201), a feed pipe (203) on the middle part of the top of the device top cover (2), a discharge pipe (204) on one side of the feed pipe (203), and a filter block (205) on the bottom inner side of the device top cover (2). The fitting sub-ring (201) is fixedly installed on the outer side near the bottom of the device top cover (2), the fixing screw (202) is rotatably installed on the inner side near the edge of the fitting sub-ring (201), the feed pipe (203) is fixedly installed on the middle part of the top of the device top cover (2), the discharge pipe (204) is fixedly installed on one side of the feed pipe (203), and the filter block (205) is fixedly connected to the device top cover (2).

4. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The collection assembly also includes an oil collection tank (3), which is installed inside the main body (1) of the device. A Venturi generator (301) is provided inside the oil collection tank (3). An inlet anti-vortex device (302) is provided on one side of the Venturi generator (301). An inclined bottom plate (303) is provided at the bottom of the oil collection tank (3). An oil drain valve (304) is provided on one side of the oil collection tank (3). The Venturi generator (301) is fixedly installed inside the oil collection tank (3). The inlet anti-vortex device (302) is fixedly installed on one side of the Venturi generator (301). The inclined bottom plate (303) is fixedly installed at the bottom of the oil collection tank (3). The oil drain valve (304) is fixedly connected to one side of the oil collection tank (3).

5. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The stabilizing outer ring (401) is fixedly installed on the outside of the centrifugal pipe (4), the cutting block (402) is fixedly installed on the inner wall of the centrifugal pipe (4) near the top, the spiral guide vane (403) is fixedly installed in the middle of the inner side of the centrifugal pipe (4), and the spiral guide vane (403) is a two-section design, and the stabilizing bottom ring (404) is fixedly installed at the bottom end of the spiral guide vane (403).

6. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The collection component includes a collection block (5), which is installed at the bottom of the device body (1). The outer side of the collection block (5) is provided with a discharge inclined pipe (501). The bottom end of the collection block (5) is provided with a connecting outer ring (502). The inner side of the connecting outer ring (502) is provided with a discharge round block (503). The bottom surface of the discharge round block (503) is provided with a collection bucket (504). The top outer side of the collection bucket (504) is provided with a connecting bolt (505).

7. The anti-coking settling device for petroleum refining according to claim 6, characterized in that: The discharge inclined tube (501) is fixedly installed at an inclined angle on the outside of the collection block (5), the connecting outer ring (502) is fixedly installed at the bottom end of the collection block (5), the discharge round block (503) is fixedly connected to the collection block (5), the collection bucket (504) is fitted to the bottom end surface of the discharge round block (503), and the connecting bolt (505) is rotatably installed on the top outside of the collection bucket (504).

8. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The collection assembly includes a rotating shaft (6), which is installed on the inner side of the device body (1). A connecting wedge (601) is provided on the outer side of the rotating shaft (6). A rotating scraper (602) is provided at one end of the connecting wedge (601). A connecting rod (603) is provided at the bottom end of the rotating shaft (6). The connecting wedge (601) is fixedly installed on the outer side of the rotating shaft (6). The rotating scraper (602) is centrally mounted on one end of the connecting wedge (601) through a three-point centering bracket. The connecting rod (603) is fixedly connected to the rotating shaft (6).

9. The anti-coking settling device for petroleum refining according to claim 1, characterized in that: The collecting assembly also includes a rotary motor (7), which is mounted at the bottom end of a rotating shaft (6). The output end of the rotary motor (7) is provided with a fitting disc (701). The inner side of the fitting disc (701) is provided with a fixing bolt (702). The top end of the fitting disc (701) is provided with a connecting top block (703). Both sides of the bottom end of the connecting top block (703) are provided with fitting rods (704). The fitting disc (701) is fixedly mounted on the outer side of the output end of the rotary motor (7). The fixing bolt (702) is rotatably mounted on the inner side of the fitting disc (701) near the edge. The connecting top block (703) is fitted onto the top end of the fitting disc (701). The fitting rods (704) are fixedly mounted on both sides of the bottom end of the connecting top block (703) near the edge.

10. A coking-resistant settling device for petroleum refining according to claim 1, characterized in that: The telescopic block (801) is fixedly installed on the inner side of the stable base (8), the motor base (802) is fixedly installed on one end of the telescopic block (801), and the connecting knob (803) is rotatably installed on the outer side of the motor base (802).

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