Flue gas oil extraction purification cold-drying device
Technical Field
The utility model relates to the technical field of flue gas purification devices, in particular to a flue gas oil extraction purification cold drying device.
Background
The heavy oil is an important component of crude oil production, and reserves resources are abundant, but most of the developed heavy oil reservoirs in the old regions enter a high-round throughput stage, and the development effect gradually deteriorates. The continuous progress of the exploitation technology is an important guarantee for improving the recovery efficiency and the economic benefit of a heavy oil reservoir, and the steam injection thermal oil recovery is a main technology for heavy oil exploitation and mainly comprises modes of steam huff and puff, steam flooding, SAGD and the like. The flue gas generated by boiler combustion in the oil extraction process is processed to have the main components of non-condensable gases such as nitrogen, carbon dioxide and the like, the nitrogen in the flue gas is not dissolved with crude oil but plays a lifting driving role, the carbon dioxide in the flue gas is good in intersolubility with the crude oil, the carbon dioxide dissolved in the crude oil can reduce the viscosity of the crude oil, the carbon dioxide in the flue gas is dissolved in formation water to form carbonic acid, the pores of mineral particles are enlarged, the permeability of an oil layer is improved, and the recovery ratio is provided.
At present, the flue gas is treated and then is reinjected into an oil production pipe to improve the oil extraction efficiency and save energy, but the devices for treating the flue gas are more, occupy the site, are more troublesome in daily maintenance, have poor effects of cooling and filtering sulfur-containing gas in the flue gas, and filter auxiliary materials are probably frequently replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, a plurality of devices for treating flue gas occupy more sites, daily maintenance is troublesome, the effects of cooling and filtering sulfur-containing gas in flue gas are poor, and filtering auxiliary materials are replaced frequently.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a cold device of doing of flue gas oil recovery purification, includes the cold machine of doing of minute-pressure, screw compressor and jar body, the lower extreme inner wall fixedly connected with sleeve pipe of the jar body, sheathed tube upper end fixedly connected with plectane, the edge of plectane and the inner wall fixed connection of the jar body, be connected with cooling body on the sheathed tube pipe wall, the center department of plectane is through round mouth fixedly connected with blast pipe, the kuppe has been cup jointed on the pipe wall of blast pipe, and the lateral wall of kuppe sets up a plurality of evenly distributed's blowoff hole, the lateral wall of kuppe is connected with drive mechanism, the lower extreme fixedly connected with of the jar body return bend that admits air, the right-hand member upside fixedly connected with outlet duct of the jar body, a plurality of support columns of lower extreme fixedly connected with of the jar body.
Preferably, cooling body includes a plurality of symmetric distribution's arc, and is a plurality of the both ends of arc all are equipped with the pipe section of buckling, the pipe section of buckling at arc both ends all with sheathed tube pipe wall fixed connection, the first baffle of fixedly connected with and second baffle in the cover, common fixedly connected with gas treatment filter core between first baffle and the second baffle, the upper end of first baffle and second baffle all with the lower extreme fixed connection of plectane, the lower extreme of first baffle and second baffle all with the lower extreme inner wall fixed connection of the jar body, the lower extreme of the jar body passes through rectangle through-hole fixedly connected with collecting hopper, collecting hopper's lower extreme is connected with the blowoff valve, gas passage has been seted up to the lateral wall of second baffle.
Preferably, drive mechanism includes the pivot, the upper end inner wall rotation that sealed bearing and jar body were passed through to the upper end of pivot is connected, the lower extreme of pivot and the upper end of kuppe are with axle center fixed connection, a plurality of evenly distributed's of the fixedly connected with guide plate that inclines in the kuppe, it is a plurality of the guide plate that the guide plate was kept away from the one end of kuppe all contacts with the pipe wall of blast pipe, the upper end fixedly connected with motor of the jar body, the output of motor pass sealed bearing and with the upper end fixed connection of pivot.
Preferably, the lateral wall of kuppe has cup jointed the ring gear, the inboard of ring gear is through a plurality of fixed blocks and kuppe with axle center fixed connection, the lateral wall symmetric meshing of ring gear has two gears, two the equal fixedly connected with transmission shaft of lower extreme of gear, the axial wall of transmission shaft passes through antifriction bearing and is connected with the lateral wall rotation of plectane, the lower extreme of transmission shaft passes antifriction bearing and two impeller of fixedly connected with.
Preferably, internal air-collecting cover and the horn pipe of being equipped with of jar, the center department of air-collecting cover cup joints through the lateral wall of round mouth with the kuppe, the lateral wall of air-collecting cover passes through the inboard fixed connection of connecting rod and the jar body, the edge of horn pipe and the inner wall fixed connection of the jar body, the upper end fixedly connected with annular slab of horn pipe, and the inboard of annular slab rotates with the axle wall of pivot through sealed bearing to be connected, a plurality of water conservancy diversion return bends that are the annular distribution of upper end fixedly connected with of annular slab.
Preferably, the lower side of the right end of the tank body is fixedly connected with two connecting pipes, the two connecting pipes extend into the tank body and are fixedly connected with a drainage tube, and the drainage tube is of an arc-shaped structure.
Compared with the prior art, the utility model provides a flue gas oil extraction purification cold drying device, which has the following beneficial effects:
1. the oil extraction machine flue purification cold drying device comprises an arc-shaped pipe, collected high-temperature flue gas is discharged into a sleeve pipe in a tank body through an air inlet bent pipe, both ends of the sleeve pipe are in a sealed state at the moment, the flue gas in the sleeve pipe enters and flows to the other pipe orifice through one end of the arc-shaped pipe to be discharged due to the separation effect of a first partition plate and a second partition plate, the discharged flue gas flows back into the sleeve pipe, the flue gas in the sleeve pipe passes through an air passage to enter between the first partition plate and the second partition plate, sulfur-containing gas in the flue gas can be treated through a gas treatment filter element, particulate dust in the filtered gas is discharged into a flow guide cover through an exhaust pipe, the arc-shaped pipe divides the high-temperature flue gas in the flowing process of the flue gas, so that the gas can uniformly exchange heat with a cooling medium in the tank body to realize cooling, and the cooling process is not contacted with the cooling medium, make gas keep the aridity to gas velocity of flow reduces when gas enters into cooling body in, makes the interior dust particulate matter of gas can subside naturally, realizes the first filtration to the flue gas.
2. The flue purifying and cold drying device of the oil extraction machine is provided with the motor, the air guide sleeve of the exhaust pipe rotates when the motor works to drive the rotating shaft, when gas rises into the air guide sleeve from the inside of the exhaust pipe, the air guide sleeve rotating at a high speed drives the air guide plate to rotate at a high speed, flue gas between the air guide sleeve and an exhaust pipe interlayer can be stirred when the air guide plate rotates, dust particles carried in the flue gas generate centrifugal force, the particles are discharged through the drain outlet and fall into the tank body under the action of the centrifugal force, the flue gas is discharged into the tank body from the air guide sleeve, the speed of the flue gas entering the tank body is reduced again, at the moment, the horn-shaped pipe can prevent part of the dust particles from rising and being discharged along with the flue gas, secondary filtration of the flue gas is realized, the filtered flue gas rises and is collected above the horn-shaped pipe in the tank body, finally the flue gas is discharged into the micro-pressure cooling and drying machine through the air outlet pipe and the pipe to be dried, and the treated flue gas is discharged into the flue gas reinjection and pressurization equipment through the pipe to the screw compressor.
The utility model can reduce the structure volume of the flue gas treatment equipment, improve the cooling efficiency when treating the flue gas, treat the sulfur-containing gas and dust in the flue gas, and do not need to frequently change the filter auxiliary materials when treating the flue gas.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a tank in a flue gas oil extraction purification cold drying device according to the present invention;
FIG. 2 is a schematic structural diagram of a cooling mechanism in FIG. 1 of a flue gas oil extraction purification cold drying device according to the present invention;
FIG. 3 is a schematic structural diagram of a driving mechanism in FIG. 1 of a flue gas oil extraction purification cold drying device according to the present invention;
FIG. 4 is a top view of the sleeve and the arc tube of FIG. 1 of the flue gas oil extraction purification refrigeration drying device of the present invention;
FIG. 5 is a schematic top view of the air guide sleeve and the air guide plate of FIG. 1 of the flue gas oil extraction purification cold drying device according to the present invention;
fig. 6 is a schematic structural diagram of a flue gas oil extraction purification cold drying device provided by the utility model.
In the figure: 1. a tank body; 2. a support pillar; 3. a collection hopper; 4. an air inlet bent pipe; 5. a motor; 6. an air outlet pipe; 7. a flare tube; 8. a wind collecting cover; 9. a pod; 10. a ring gear; 11. a gear; 12. a circular plate; 13. an arc tube; 14. a sleeve; 15. a drainage tube; 16. a gas passage; 17. a first separator; 18. a second separator; 19. an exhaust pipe; 20. a drive shaft; 21. a stirring impeller; 22. a baffle; 23. a micro-pressure cold drying machine; 24. a screw compressor; 25. a gas treatment filter element; 26. and (4) a diversion elbow.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a flue gas oil extraction purification cold drying device comprises a micro-pressure cold drying machine 23, a screw compressor 24 and a tank body 1, wherein the micro-pressure cold drying machine 23, the screw compressor 24 and the tank body 1 are connected by using a pipeline, a sleeve 14 is fixedly connected to the inner wall of the lower end of the tank body 1, a circular plate 12 is fixedly connected to the upper end of the sleeve 14, the edge of the circular plate 12 is fixedly connected to the inner wall of the tank body 1, a cooling mechanism is connected to the wall of the sleeve 14, the cooling mechanism comprises a plurality of arc pipes 13 which are symmetrically distributed, bent pipe sections are respectively arranged at two ends of the plurality of arc pipes 13, the bent pipe sections at two ends of the arc pipes 13 are fixedly connected to the wall of the sleeve 14, a first partition plate 17 and a second partition plate 18 are fixedly connected in the sleeve 14, a gas treatment filter element 25 is fixedly connected between the first partition plate 17 and the second partition plate 18 together, and the upper ends of the first partition plate 17 and the second partition plate 18 are fixedly connected to the lower end of the circular plate 12, the lower ends of a first clapboard 17 and a second clapboard 18 are fixedly connected with the inner wall of the lower end of a tank body 1, the lower end of the tank body 1 is fixedly connected with a collecting hopper 3 through a rectangular through hole, the lower end of the collecting hopper 3 is connected with a blow-down valve, the side wall of the second clapboard 18 is provided with a gas passing channel 16, the center of a circular plate 12 is fixedly connected with an exhaust pipe 19 through a round port, the pipe wall of the exhaust pipe 19 is sleeved with a flow guide cover 9, the side wall of the flow guide cover 9 is provided with a plurality of uniformly distributed blow-down holes, the side wall of the flow guide cover 9 is connected with a transmission mechanism, the lower end of the tank body 1 is fixedly connected with a gas inlet elbow 4, the upper side of the right end of the tank body 1 is fixedly connected with a gas outlet pipe 6, the lower side of the right end of the tank body 1 is fixedly connected with two connecting pipes, the two connecting pipes extend into the tank body 1 and are fixedly connected with a drainage pipe 15, the drainage pipe 15 is of an arc-shaped structure, and the connecting pipes are connected with a circulating pipeline of an external circulating cooling device (not shown in the figure), realize the operation such as the external circulative cooling of cooling medium in the jar body 1 to and annotate coolant liquid, improve the effect of cooling flue gas, a plurality of support columns 2 of the lower extreme fixedly connected with of jar body 1.
The transmission mechanism comprises a rotating shaft, the upper end of the rotating shaft is rotatably connected with the inner wall of the upper end of the tank body 1 through a sealed bearing, the lower end of the rotating shaft is coaxially and fixedly connected with the upper end of a flow guide cover 9, a plurality of uniformly distributed flow guide plates 22 are fixedly connected in the flow guide cover 9 in an inclined manner, one ends of the flow guide plates 22 far away from the flow guide cover 9 are all contacted with the pipe wall of an exhaust pipe 19, the upper end of the tank body 1 is fixedly connected with a motor 5, the output end of the motor 5 penetrates through the sealed bearing and is fixedly connected with the upper end of the rotating shaft, a wind collecting cover 8 and a horn tube 7 are arranged in the tank body 1, the center of the wind collecting cover 8 is sleeved with the side wall of the flow guide cover 9 through a round opening, the side wall of the wind collecting cover 8 is fixedly connected with the inner side of the tank body 1 through a connecting rod, the edge of the horn tube 7 is fixedly connected with the inner wall of the tank body 1, the upper end of the horn tube 7 is fixedly connected with a ring plate, and the inner side of the ring plate is rotatably connected with the shaft wall of the rotating shaft through the sealed bearing, the upper end of the annular plate is fixedly connected with a plurality of annularly distributed diversion elbows 26, the diversion elbows 26 guide the gas treated by the cooling and gas treatment filter element 25 to the upper part of the horn tube 7, the space between the upper part of the horn tube 7 and the tank body 1 is filled with an adsorption treatment agent (not shown in the figure) to treat sulfur-containing gas and part of harmful gas in flue gas, the gas treatment filter element 25 and the adsorption treatment agent both adopt the existing treatment technology and treatment agent, the technicians in the field know the treatment technology and do not need to describe much, the treated gas is discharged through the gas outlet pipe 6, the side wall of the diversion cover 9 is sleeved with a gear ring 10, the inner side of the gear ring 10 is coaxially and fixedly connected with the diversion cover 9 through a plurality of fixing blocks, the side wall of the gear ring 10 is symmetrically engaged with two gears 11, the lower ends of the two gears 11 are both fixedly connected with a transmission shaft 20, and the shaft wall of the transmission shaft 20 is rotatably connected with the side wall of the circular plate 12 through a rolling bearing, the lower end of the transmission shaft 20 passes through the rolling bearing and is fixedly connected with two stirring impellers 21.
In the utility model, collected high-temperature flue gas is discharged into a sleeve 14 in a tank body 1 through an air inlet bent pipe 4, both ends of the sleeve 14 are in a sealed state, the flue gas in the sleeve 14 enters and flows to the other pipe orifice through one end of an arc-shaped pipe 13 to be discharged due to the separation effect of a first partition plate 17 and a second partition plate 18, the discharged flue gas flows back into the sleeve 14, the flue gas in the sleeve 14 enters between the first partition plate 17 and the second partition plate 18 through an air passage 16, the gas is discharged into a flow guide cover 9 through an exhaust pipe 19, the arc-shaped pipe 13 shunts the high-temperature flue gas in the flow process of the flue gas, so that the gas can uniformly exchange heat with a cooling medium in the tank body 1 to realize temperature reduction, the temperature reduction process is not contacted with the cooling medium, the gas keeps dryness, and the flow rate of the gas is reduced when the gas enters a cooling mechanism, so that dust particles in the gas can naturally settle, the primary filtration of the flue gas is realized, the motor 5 is started, the exhaust pipe air guide sleeve 9 rotates when the motor 5 works to drive the rotating shaft, when the gas rises from the exhaust pipe 19 into the air guide sleeve 9, the air guide sleeve 9 rotating at a high speed drives the air guide plate 22 to rotate at a high speed, the air guide plate can stir the flue gas between the air guide sleeve 9 and the interlayer of the exhaust pipe 19 when rotating, so that dust particles carried in the flue gas generate centrifugal force, the particles are discharged into the tank body 1 through the drain outlet under the action of the centrifugal force, the flue gas is discharged into the tank body 1 from the air guide sleeve 9, the speed of the flue gas entering the tank body 1 is reduced again, the horn-shaped pipe 7 can prevent part of the dust particles from rising and discharging along with the flue gas, the secondary filtration of the flue gas is realized, the filtered flue gas rises and is collected above the horn-shaped pipe 7 in the tank body 1, and finally is discharged to the micro-pressure cold drying machine 23 through the air outlet pipe 6 and the pipeline for drying treatment, the treated flue gas is discharged to a screw compressor 24 through a pipeline and then discharged to flue gas reinjection pressurization equipment, when the air guide sleeve 9 rotates, the air guide sleeve 9 drives the gear ring 10 to enable the gear 11 to rotate, the gear 11 rotates to drive the transmission shaft 20 to enable the stirring impeller 21 to rotate, and when the stirring impeller 21 rotates, the cooling medium in the tank body 1 can be stirred, so that the cooling medium can rapidly exchange heat with the arc-shaped pipe 13, and the cooling speed of the flue gas in the arc-shaped pipe 13 is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.