Anti-freezing and anti-blocking single-pipe wellhead flow device
Technical Field
The invention relates to the technical field of wellhead processes, in particular to an anti-freezing and anti-blocking single-pipe wellhead process device.
Background
Well head flow mainly used crude oil water oil separating handles, often causes the stifled problem of freezing because of outdoor environment is cold at the oil water separating in-process of handling crude oil, and prior art adopts the insulation can to go on at present stage, and not only troublesome and working effect receives the topography to influence great.
Patent with application number CN99206282.9 discloses a single-pipe wellhead device, which comprises a cross joint, an oil pipe gate valve, a sleeve pipe gate valve, a paraffin removal gate and the like, and is characterized in that the wellhead device only comprises the cross joint, the oil pipe gate valve and the sleeve pipe gate valve, and an oil pipe hanger short section, an oil pipe hanger and a pressing sleeve are sequentially connected with an underground oil pipe in the cross joint. The patent has the advantages of compact structure, simplified well repairing operation procedures and reduced labor intensity of operation workers. According to the invention, the opening and closing of the multiple valves are controlled in a linkage manner, the oil-water separation and linkage reversion of the transportation mechanism are realized, and the reverse cleaning of oil blockage is realized.
Disclosure of Invention
The invention provides an anti-freezing and anti-blocking single-pipe wellhead flow device aiming at the defects in the prior art, and solves the problems that oil-water separation, linkage reversion and reverse cleaning of oil blocking cannot be realized in the prior art.
An anti-freezing and anti-blocking single-pipe wellhead flow device comprises a conveying mechanism and an executing mechanism arranged on the conveying mechanism, wherein the executing mechanism comprises a first gear and a fourth gear which are fixedly arranged on an output shaft of a main motor, the first gear is mutually meshed with a stirring gear, the stirring gear is fixedly connected with an impeller, and the stirring gear is rotatably arranged on a stirring box; the fourth gear is coaxially and fixedly connected with the first gear, the fourth gear is meshed with the second gear, the second gear is rotatably mounted on a fixing plate, the second gear is coaxially and fixedly connected with a poking wheel, the poking wheel is rotatably connected on the fixing plate, the fixing plate is fixedly mounted on a support, a sliding block is fixedly mounted on the support, two guide rails are arranged on the sliding block, two sliding rods are slidably mounted on the two guide rails of the sliding block, one sliding rod is rotatably connected with the first connecting rod and rotatably connected with a seventh connecting rod, the two sliding rods are slidably connected on a cam, the cam is coaxially and rotatably connected with the third gear, the third gear is rotatably mounted on the sliding block, and a limiting rod is fixedly mounted on the third gear; the pipeline opening device is characterized in that a sliding seat is fixedly mounted on the sliding block, a guide rod is fixedly mounted on the sliding seat, a rack is slidably mounted on the guide rod, and a shifting block is fixedly mounted on the rack and linked to open a pipeline.
Further, the transportation mechanism comprises an oil pipe, one end of the oil pipe is fixedly connected with the layering barrel, the other end of the oil pipe is fixedly connected with the second four-way pipe, the oil inlet pipe penetrates through the layering barrel to be fixedly connected with the layering barrel, the layering barrel is fixedly arranged on the support, the layering barrel is fixedly provided with a water pipe, the water pipe is fixedly arranged on the support seat, the support seat is fixedly arranged on the support, and the support seat is fixedly provided with a water tank; agitator tank fixed mounting is on the support, the agitator tank both ends are connected with two stirring oil pipe, a stirring oil pipe and first ball valve fixed connection, another stirring oil pipe and second ball valve fixed connection.
Further, the transportation mechanism further comprises a heater tank fixedly mounted on the support, a warming pipe is connected to the heater tank, and the warming pipe is wound on the outer surface of the oil pipe and the outer surface of the oil inlet pipe to heat and prevent the oil way from being frozen.
Furthermore, the limiting rods are two and are respectively arranged on two sides of the cam to limit the cam.
Furthermore, the executing mechanism further comprises a seventh connecting rod rotatably connected with an eighth connecting rod, a fifth connecting rod and a sixth connecting rod are rotatably mounted at two ends of the eighth connecting rod respectively, the fifth connecting rod and the sixth connecting rod are fixedly connected with a four-way valve respectively, the first connecting rod is rotatably mounted on a valve wheel of the second ball valve, the first connecting rod is rotatably connected with the third connecting rod, one end of the third connecting rod is rotatably mounted on the valve wheel of the fifth ball valve, the other end of the third connecting rod is rotatably connected with the same shaft of the first connecting rod, the third connecting rod is rotatably mounted on the valve wheel of the second ball valve, the second connecting rod is rotatably mounted on the valve wheel of the third ball valve, the third ball valve is provided with an oil outlet, a fourth connecting rod is rotatably mounted on the valve wheel of the third ball valve, and the fourth connecting rod is rotatably mounted on the valve wheel of the fourth ball valve, one end of a ninth connecting rod is rotatably installed on the valve wheel of the first ball valve, the other end of the ninth connecting rod is rotatably installed on the valve wheel of the sixth ball valve, one end of a tenth connecting rod is rotatably installed on the valve wheel of the fifth ball valve, and the other end of the tenth connecting rod is rotatably installed on the valve wheel of the sixth ball valve.
Furthermore, two four-way valves are arranged, one four-way valve is rotatably mounted in the second four-way pipe and the first four-way pipe, and four pipes of the first four-way pipe are fixedly connected with the second ball valve, the third ball valve, the fourth ball valve and the fifth ball valve respectively; three pipes of the second four-way pipe are fixedly connected with a fifth ball valve, a sixth ball valve and a first ball valve respectively; and a pipe is fixedly arranged between the fourth ball valve and the sixth ball valve.
Further, second ball valve, third ball valve, fourth ball valve, fifth ball valve, sixth ball valve, first ball valve constitute by valve casing, valve ring, valve wheel, and the valve casing all rotates and installs the valve ball, and fixed mounting has a valve wheel on the valve ball, and the valve wheel rotates and installs on the valve casing.
Furthermore, the two ends of the second ball valve, the third ball valve, the fourth ball valve, the fifth ball valve, the sixth ball valve and the first ball valve are respectively and fixedly provided with a pipe pressure ring, and pipe pressure monitoring is carried out through the pipe pressure rings.
The working principle of the invention is as follows: when the device works, the main motor drives the first gear to rotate to drive the stirring gear to rotate, so that the impeller rotates to stir and accelerate the flow velocity of grease in the stirring box, and crude oil is prevented from solidifying.
Meanwhile, the main motor drives the fourth gear to rotate through the first gear, the second gear and the fixing plate are driven to rotate, the fixing plate rotates to stir the shifting block, the shifting block pulls the rack to slide on the guide rod, the spring is compressed, the rack drives the third gear to rotate, the limiting rod on the third gear pushes the cam to rotate, the sliding rod in the cam is driven to slide in the guide rail of the sliding block, when one sliding rod slides, the first connecting rod is pulled to move, the valve of the second ball valve is driven to rotate, the second connecting rod and the third connecting rod are driven to move, the third ball valve wheel and the fifth ball valve wheel are driven to rotate, the fourth connecting rod and the tenth connecting rod are driven to rotate, the fourth ball valve wheel and the sixth ball valve wheel are opened, the sixth ball valve wheel rotates to pull the ninth connecting rod, the ninth link pulls the first ball valve wheel.
Meanwhile, a sliding rod slides to enable the seventh connecting rod to move, the seventh connecting rod drives the eighth connecting rod to move, the eighth connecting rod drives the fifth connecting rod and the sixth connecting rod to rotate, the two four-way pipe valves are driven to rotate, channels in the first four-way pipe and the second four-way pipe are opened, and at the moment, all ball valves, the second four-way pipe and the first four-way pipe are completely opened to form communication.
The former oil-water mixture gets into through advancing oil pipe, arrives at 4 connecting pipes of actuating mechanism, pours into the layering bucket, separates through density is automatic, and the aqueous solution leads to pipe and gets into the water pitcher, and crude oil passes through oil pipe and gets into the second four-way pipe, flows in the pipe, in the layering bucket, and the impeller pressurization is carried, from the oil-out discharge, carries out the frostproofing processing of oil circuit heating through warm braw jar and intensification pipe simultaneously.
When the pipeline is blocked, the main motor rotates reversely, water is pumped out from the water tank, oil stains in the pipeline are washed reversely, and then the pipeline is dredged by rotating forward.
Compared with the prior art, the invention has the beneficial effects that: (1) the circulating type heating system has the advantages that the circulating type heating system anti-freezing function is adopted, and the reverse cleaning function of oil blockage is realized through linkage reversion; (2) the invention is completely suitable for oil extraction operation, the mechanism adopts a linkage design, the linkage pipeline valve is opened and closed, oil and water are separated, the efficiency is high, the manual labor force is saved, and the invention has the advantages of convenient repair and maintenance, simple assembly and long low temperature resistance and service life; (3) stirring crude oil through having set up the impeller for the velocity of flow prevents that crude oil from solidifying, and work efficiency is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the transportation mechanism of the present invention.
Fig. 3-6 are schematic structural views of the actuator of the present invention.
Detailed Description
In the following description of the present invention, it is to be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the drawings and illustrative embodiments, which are provided herein to illustrate and not to limit the invention. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.
Example (b): referring to fig. 1-6, an anti-freezing single-pipe wellhead flow device comprises a transportation mechanism 1 and an actuating mechanism 2 installed on the transportation mechanism 1.
Referring to fig. 2, the transportation mechanism 1 includes a bracket 111, a heater tank 101 is fixedly mounted on the bracket 111, a warming pipe 102 is connected to the heater tank 101, the warming pipe 102 is wound on the outer surfaces of an oil pipe 103 and an oil inlet pipe 112, one end of the oil pipe 103 is fixedly connected to a layered barrel 110, the other end of the oil pipe 103 is fixedly connected to a second four-way pipe 233, the oil inlet pipe 112 penetrates the layered barrel 110 to be fixedly connected to the layered barrel 110, the layered barrel 110 is fixedly mounted on the bracket 111, one end of a water pipe 106 is fixedly mounted on the layered barrel 110, the water pipe 106 is fixedly mounted on a support base 105, the support base 105 is fixedly mounted on the bracket 111, a water tank 104 is fixedly mounted on the support base 105, and the other end of the water pipe 106 is connected to the water tank 104; agitator tank 109 fixed mounting is on support 111, and agitator tank 109 both ends are connected with two stirring oil pipe 113, and a stirring oil pipe 113 and first ball valve 214 fixed connection, another stirring oil pipe 113 and second ball valve 226 fixed connection.
Referring to fig. 3-6, the actuator 2 includes a main motor 201 fixedly mounted on a bracket 111, a first gear 203 and a fourth gear 222 are fixedly connected to an output shaft of the main motor 201, the first gear 203 is engaged with a stirring gear 202, the stirring gear 202 is fixedly connected with an impeller 234, the stirring gear 202 is rotatably mounted on a stirring box 109, the impeller 234 is rotatably mounted in the stirring box 109, the fourth gear 222 is coaxially and fixedly connected with the first gear 203, the fourth gear 222 is engaged with a second gear 215, the second gear 215 is rotatably mounted on a fixed plate 216, the second gear 215 is coaxially and fixedly connected with a dial wheel 217, the dial wheel 217 is rotatably connected to the fixed plate 216, the fixed plate 216 is fixedly mounted on the bracket 111, a slider 223 is fixedly mounted on the bracket 111, two guide rails are arranged on the slider 223, a sliding rod 224 is slidably mounted on each of the two guide rails of the slider 223, one sliding rod 224 is rotatably connected with the first connecting rod 204, one sliding rod 224 is rotatably connected with the seventh connecting rod 210, the two sliding rods 224 are slidably connected with the cam 218, the cam 218 is coaxially and rotatably connected with the third gear 220, the third gear 220 is rotatably installed on the sliding block 223, two limiting rods 219 are fixedly installed on the third gear 220, the two limiting rods 219 are respectively arranged at two sides of the cam 218, a sliding seat 236 is fixedly installed on the sliding block 223, a guide rod 237 is fixedly installed on the sliding seat 236, a spring is arranged on the guide rod 237, a rack 235 is slidably installed on the guide rod 237, and a shifting block 221 is fixedly installed on the rack 235; the seventh connecting rod 210 is rotatably connected with the eighth connecting rod 211, the four-way valve 227 is rotatably mounted in the second four-way pipe 233 and the first four-way pipe 229, both ends of the eighth connecting rod 211 are respectively rotatably mounted with the fifth connecting rod 208 and the sixth connecting rod 209, the fifth connecting rod 208 and the sixth connecting rod 209 are respectively fixedly connected with the four-way valve 227, the first connecting rod 204 is rotatably mounted on the valve wheel of the second ball valve 226, the first connecting rod 204 is rotatably connected with the third connecting rod 206, one end of the third connecting rod 206 is rotatably mounted on the valve wheel of the fifth ball valve 231, the other end of the third connecting rod 206 is rotatably connected with the first connecting rod 204 coaxially, the third connecting rod 206 is rotatably mounted on the valve wheel of the second ball valve 226, the second connecting rod 205 is further rotatably mounted on the valve wheel of the second ball valve 226, the second connecting rod 205 is rotatably mounted on the valve wheel of the third ball valve 228, the fourth connecting rod 207 is further rotatably mounted on the valve wheel of the third ball valve 228, the fourth link 207 is rotatably mounted on the valve wheel of the fourth ball valve 230, one end of the ninth link 212 is rotatably mounted on the valve wheel of the first ball valve 214, the other end of the ninth link 212 is rotatably mounted on the valve wheel of the sixth ball valve 232, one end of the tenth link 213 is rotatably mounted on the valve wheel of the fifth ball valve 231, and the other end is rotatably mounted on the valve wheel of the sixth ball valve 232; four pipes of the first four-way pipe 229 are fixedly connected with the second ball valve 226, the third ball valve 228, the fourth ball valve 230 and the fifth ball valve 231 respectively, and three pipes of the second four-way pipe 233 are fixedly connected with the fifth ball valve 231, the sixth ball valve 232 and the first ball valve 214 respectively; a pipe is fixedly arranged between the fourth ball valve 230 and the sixth ball valve 232; the third ball valve 228 is provided with an oil outlet 107.
The second ball valve 226, the third ball valve 228, the fourth ball valve 230, the fifth ball valve 231, the sixth ball valve 232 and the first ball valve 214 are all composed of a valve housing, a valve ring and a valve wheel, the valve ball is rotatably installed in the valve housing, the valve wheel is fixedly installed on the valve ball, and the valve wheel is rotatably installed on the valve housing; two ends of the second ball valve 226, the third ball valve 228, the fourth ball valve 230, the fifth ball valve 231, the sixth ball valve 232 and the first ball valve 214 are respectively fixedly provided with a pipe pressure ring 225, and the pipe pressure ring 225 is used for monitoring pipe pressure.
When the device works, the main motor 201 drives the first gear 203 to rotate to drive the stirring gear 202 to rotate, so that the impeller 234 rotates to stir and accelerate the flow rate of grease in the stirring box 109, and crude oil solidification is prevented.
Meanwhile, the main motor 201 drives the fourth gear 222 to rotate through the first gear 203, so as to drive the second gear 215 and the fixed plate 216 to rotate, the fixed plate 216 rotates to toggle the toggle block 221, the toggle block 221 pulls the rack 235 to slide on the guide rod 237, so that the spring is compressed, so that the rack 235 drives the third gear 220 to rotate, the limiting rod 219 on the third gear 220 pushes the cam 218 to rotate, so as to drive the sliding rod 224 in the cam 218 to slide in the guide rail of the slider 223, when the sliding rod 224 slides, the first connecting rod 204 is pulled to move, so as to drive the valve of the second ball valve 226 to rotate, so as to drive the second connecting rod 205 and the third connecting rod 206 to move, so as to drive the valve of the third ball valve 228 and the valve of the fifth ball valve 231 to rotate, so as to open the third ball valve 228 and the fifth ball valve 231, and the valve of the third ball valve 228 and the valve of the fifth ball valve 231 rotate, so as to pull the fourth connecting rod 207 and the tenth connecting rod 213 to move, so as to drive the valve of the fourth ball valve 230 and the valve of the sixth ball valve 232 to rotate, the fourth ball valve 230 and the sixth ball valve 232 are opened, the valve wheel of the sixth ball valve 232 rotates to pull the ninth connecting rod 212 to move, and the ninth connecting rod 212 pulls the valve wheel of the first ball valve 214.
Meanwhile, one sliding rod 224 slides to move the seventh connecting rod 210, the seventh connecting rod 210 drives the eighth connecting rod 211 to move, the eighth connecting rod 211 drives the fifth connecting rod 208 and the sixth connecting rod 209 to rotate, the two four-way valves 227 are driven to rotate, channels in the first four-way pipe 229 and the second four-way pipe 233 are opened, and at the moment, all ball valves are opened to form communication with the second four-way pipe 233 and the first four-way pipe 229.
The raw oil-water mixture enters through the oil inlet pipe 112, reaches the connecting pipe of the actuating mechanism 24, is injected into the layering barrel 110, is automatically separated through density, the water solution enters the water tank 104 through the water pipe 106, the crude oil enters the second four-way pipe 233 through the oil pipe 103, flows in the pipe, the impeller 234 is conveyed in the layering barrel 110 in a pressurization mode, is discharged from the oil outlet 107, and meanwhile, the heating and anti-freezing treatment is carried out on the oil way through the warm air tank 101 and the warming pipe 102.
When the pipeline is blocked, the main motor 201 rotates reversely, water is pumped out from the water tank 104, oil stains in the pipeline are washed reversely, and then the pipeline is dredged by rotating forward.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.