Fuel gas throttling device of oil field water jacket furnace separator

Abstract

The utility model discloses an oil field water jacket furnace separator fuel gas throttling device which comprises a fuel gas throttling device body, the fuel gas throttling device body comprises a connecting flange, the top of the connecting flange is communicated and fixed with a shell with an opening in the bottom, the left side of the shell is communicated and fixed with a fuel gas flow meter, and the fuel gas flow meter is communicated and fixed with a fuel gas flow meter. And a gas outlet of the gas flow meter is communicated and fixed with a gas inlet connecting pipe of the water jacket furnace separator. According to the utility model, a series of structures are arranged, so that gas can be automatically unsealed by utilizing gas pressure to be supplied into the oil field water jacket furnace separator when the gas passes through, the gas supply flow rate can be conveniently detected in real time, and constant-speed adjustment can be intelligently and automatically carried out when the gas supply flow rate suddenly changes and is unstable; the gas throttling device reduces instability and excessive waste caused by sudden change and increase of the flow speed, achieves the gas throttling effect, facilitates automatic warning and reminding when the flow speed changes and automatic closing after uniform adjustment, brings convenience to personnel for mastering the states that the flow speed is changed or adjusted and the like, and is convenient for personnel to use.

Description

Technical Field

[0001] The utility model relates to the technical field of gas throttling equipment, in particular to a gas throttling device for an oilfield water jacket furnace separator. Background Technique

[0002] At present, as the main heating device for oilfield surface gathering and transportation, the water jacket furnace is widely used in the oilfield and is responsible for tasks such as preheating the produced fluid, reducing viscosity for transportation, and heating the well station. The use of the water jacket furnace is inseparable from the gas supply work. As a main fuel for its combustion, the stability of the gas supplied into the water jacket furnace separator is extremely important. The main function of the water jacket furnace separator is to separate the water in the gas to ensure the stable combustion of the water jacket furnace.

[0003] Although a valve is provided on the gas supply pipe of the existing oilfield water jacket furnace separator, which can be adjusted appropriately by personnel, there are the following deficiencies in use: 1. (The valve can only be adjusted simply by personnel to control the gas supply size, but it is difficult to avoid the phenomenon of sudden and unstable flow velocity during the gas supply work, resulting in a situation of sudden increase and decrease, which makes the use of the water jacket furnace separator unstable). It cannot automatically and intelligently adjust the flow velocity evenly in real time when the flow velocity suddenly changes and is unstable, and it is easy to cause instability and excessive waste due to the sudden increase in the flow velocity, and the adjustment automaticity and timeliness are not ideal; 2. It cannot warn and remind personnel when the flow velocity suddenly changes and is unstable, making it inconvenient for personnel to master the state. In view of this, we have proposed a gas throttling device for an oilfield water jacket furnace separator to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a gas throttling device for an oilfield water jacket furnace separator to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A gas throttling device for an oilfield water jacket furnace separator, including a gas throttling device body. The gas throttling device body includes a connecting flange. The top of the connecting flange is connected and fixed with a housing with an open bottom. The left side of the housing is connected and fixed with a gas flow meter. The air outlet of the gas flow meter is connected and fixed with an intake pipe of the water jacket furnace separator. The gas is supplied through the connection of the connecting flange with an external gas supply pipeline, and the gas is supplied to the external oilfield water jacket furnace separator through the connection of the intake pipe of the water jacket furnace separator with the intake pipe of the external oilfield water jacket furnace separator. The gas flow meter is used to detect the gas flow velocity in real time.

[0006] A partition plate is fixedly installed inside the outer shell below the gas flow meter. The top of the partition plate and the top of the outer shell are fixedly installed with the same circular tube with a sealing structure at the top. Air outlet holes are formed on the inner walls of both sides of the circular tube. A control and warning component electrically connected to the gas flow meter is fixedly installed on the left side of the top of the outer shell. A driving motor electrically connected to the control and warning component is fixedly installed on the top of the circular tube. The control and warning component is used to receive the gas flow rate value and automatically give a warning reminder and control the driving motor to start correspondingly when the flow rate suddenly changes and becomes unstable and is lower or higher than the preset flow rate.

[0007] A piston is hermetically and slidably sleeved inside the circular tube between the two air outlet holes. A groove is formed on the top of the piston. A threaded lifting spring support assembly fixedly connected to the output shaft of the driving motor is fixedly installed on the inner wall of the bottom of the groove. The threaded lifting spring support assembly is used to automatically unseal and ventilate the air outlet holes by using the inlet pressure when the gas enters, and is used to automatically adjust the opening degree of the air outlet holes when the driving motor starts to adjust the flow rate.

[0008] Two telescopic vertical guiding assemblies are fixedly connected between the top of the piston and the inner wall of the top end of the circular tube. The threaded lifting spring support assembly is slidably sleeved on the two telescopic vertical guiding assemblies. The telescopic vertical guiding assemblies are used to vertically guide the piston and the threaded lifting spring support assembly.

[0009] Preferably, the control and warning component includes a PLC controller fixedly installed on the left side of the top of the outer shell. A warning lamp is fixedly connected to the top of the PLC controller. The warning lamp, the driving motor and the gas flow meter are all electrically connected to the PLC controller.

[0010] Preferably, the threaded lifting spring support assembly includes a spring fixedly connected to the inner wall of the bottom of the groove. The top end of the spring extends above the piston and is fixedly connected to a T-shaped lifting seat. The bottom end of the output shaft of the driving motor is fixedly connected to a screw rod. The T-shaped lifting seat is threadedly sleeved on the screw rod. With the cooperation of the arranged spring, T-shaped lifting seat and screw rod, when the gas enters the circular tube upward, it will squeeze the piston to move upward and compress the spring. The piston moves upward to relieve part of the blockage of the air outlet holes for ventilation work. When the driving motor is controlled by the PLC controller to start and drive the screw rod to rotate, the screw rod rotates to drive the T-shaped lifting seat to move up and down, increasing or releasing the compression force on the spring, realizing driving the piston to move downward or making it continue to move upward under the pressure of the lower gas, changing the unsealing degree of the air outlet holes, and further changing the flow rate value. When the preset flow rate value is reached, the PLC controller controls the warning lamp and the driving motor to automatically turn off, realizing the effect of automatic uniform throttling.

[0011] Preferably, the telescopic vertical guiding assembly includes an outer tube fixedly connected to the top of the piston. Two inner rods are fixedly connected to the inner wall of the top end of the circular tube. The two outer tubes are respectively sleeved on the corresponding inner rods in a sliding manner. The T-shaped lifting seat is sleeved on the two outer tubes in a sliding manner. An outer edge flange is integrally provided at the top of the outer tube.

[0012] Preferably, a plurality of bolt mounting through holes are provided at the top of the connecting flange at equal intervals in a circular shape.

[0013] Preferably, a sealing ring is adhesively sleeved on the outer side of the piston, and the outer side of the sealing ring is in sliding connection with the inner wall of the circular tube. A limiting block that is in movable contact with the left side of the bottom of the piston is fixedly connected to the left inner wall of the circular tube.

[0014] Preferably, a threaded hole that is threadedly connected to the screw rod is provided at the top of the T-shaped lifting seat.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. For this gas throttling device of the oilfield water jacket furnace separator, through the cooperation of the provided housing, transverse partition, circular tube, air outlet hole, piston, threaded lifting elastic support assembly and gas flow meter, when the gas passes through, the piston can be automatically driven by the gas pressure to unseal the air outlet hole, and after unsealing, the gas is supplied into the oilfield water jacket furnace separator through the gas flow meter.

[0017] 2. For this gas throttling device of the oilfield water jacket furnace separator, in combination with the provided gas flow meter, piston, air outlet hole, threaded lifting elastic support assembly, control and warning assembly and telescopic vertical guiding assembly, after presetting the flow rate values for controlling the on-off of the warning lamp and starting the driving motor accordingly by the PLC controller according to the required gas flow rate, it can detect the gas supply flow rate in real time, and can automatically and intelligently adjust it at a constant speed when the gas supply flow rate suddenly changes and becomes unstable (increases or decreases), reducing the instability and excessive waste phenomenon caused by the sudden increase in the flow rate, and achieving the gas throttling effect.

[0018] 3. For this gas throttling device of the oilfield water jacket furnace separator, through the provided control and warning assembly, it can also automatically give a warning reminder when the flow rate changes and automatically close after uniform adjustment, facilitating personnel to master the states such as whether the flow rate is changing or has been adjusted.

[0019] By setting a series of structures, the present utility model is convenient for automatically unsealing and supplying gas into the oilfield water jacket furnace separator by using the gas pressure when the gas passes through, convenient for detecting the gas supply flow rate in real time and automatically and intelligently adjusting it at a constant speed when the gas supply flow rate suddenly changes and becomes unstable, reducing the instability and excessive waste phenomenon caused by the sudden increase in the flow rate, achieving the gas throttling effect, and convenient for automatically giving a warning reminder when the flow rate changes and automatically closing after uniform adjustment, facilitating personnel to master the states such as whether the flow rate is changing or has been adjusted, and facilitating personnel to use. Description of the Drawings

[0020] Figure 1 This is a schematic diagram of the main structure of the gas throttling device for the oil field water jacket furnace separator proposed by the utility model;

[0021] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure.

[0022] In the figure: 1. connecting flange; 2. outer shell; 3. transverse partition; 4. round tube; 5. gas flow meter; 6. PLC controller; 7. warning light; 8. air outlet; 9. piston; 10. spring; 11. T-shaped lifting seat; 12. screw; 13. outer tube; 14. inner rod; 15. driving motor; 16. limit block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 2 As shown, the gas throttling device for the water jacket furnace separator of the oil field proposed in this embodiment comprises a gas throttling device body, the gas throttling device body comprises a connecting flange 1, the top of the connecting flange 1 is provided with a plurality of bolt installation holes at equal intervals in a ring shape, the top of the connecting flange 1 is connected and fixed with a shell 2 with an opening at the bottom, the left side of the shell 2 is connected and fixed with a gas flow meter 5, the gas outlet of the gas flow meter 5 is connected and fixed with a water jacket furnace separator air inlet pipe, the connecting flange 1 is connected with an external gas supply pipeline to supply gas, the water jacket furnace separator air inlet pipe is connected with an external oil field water jacket furnace separator air inlet pipe to supply gas, and the gas flow meter 5 is used to detect the gas flow rate in real time;

[0025] A diaphragm 3 located below the gas flow meter 5 is fixedly installed in the shell 2, and a round tube 4 with a sealing structure at the top is embedded and fixed on the top of the diaphragm 3 and the top of the shell 2, wherein the top of the diaphragm 3 and the top of the shell 2 are provided with embedding holes fixedly connected to the outside of the round tube 4, which play the role of embedded fixed support for the round tube 4, and air outlet holes 8 are provided on the inner walls on both sides of the round tube 4. A control warning component electrically connected to the gas flow meter 5 is fixedly installed on the left side of the top of the shell 2, and a drive motor 15 electrically connected to the control warning component is fixedly installed on the top of the round tube 4. The control warning component is used to receive the gas flow rate value and automatically warn and control the drive motor 15 to start accordingly when the flow rate suddenly changes and becomes unstable, resulting in a flow rate lower than or higher than the preset flow rate;

[0026] A piston 9 located between two air outlet holes 8 is hermetically and slidably sleeved inside a circular tube 4. A sealing ring is adhesively sleeved on the outer side of the piston 9, and the outer side of the sealing ring is slidably connected to the inner wall of the circular tube 4. The provided sealing ring serves to achieve a movable seal between the inner side of the circular tube 4 and the outer side of the piston 9. A limiting block 16 fixedly connected to the left inner wall of the circular tube 4 is in movable contact with the left side of the bottom of the piston 9. The provided limiting block 16 serves to block and limit the lowest position of the piston 9. A groove is formed in the top of the piston 9, and a threaded lifting spring support assembly fixedly connected to the output shaft of the driving motor 15 is fixedly installed on the bottom inner wall of the groove. The threaded lifting spring support assembly is used to automatically unseal and ventilate the air outlet hole 8 by using its inlet pressure when gas enters, and is used to automatically adjust the opening degree of the air outlet hole 8 when the driving motor 15 is started to adjust the flow rate. Two telescopic vertical guiding assemblies are fixedly connected between the top of the piston 9 and the inner wall of the top end of the circular tube 4. The threaded lifting spring support assembly is slidably sleeved on the two telescopic vertical guiding assemblies. The telescopic vertical guiding assemblies are used to vertically guide the piston 9 and the threaded lifting spring support assembly.

[0027] Specifically, the control and warning assembly includes a PLC controller 6 fixedly installed on the left side of the top of the housing 2. A warning lamp 7 is fixedly connected to the top of the PLC controller 6. The warning lamp 7, the driving motor 15, and the gas flow rate meter 5 are all electrically connected to the PLC controller 6. The provided PLC controller 6 and the warning lamp 7 cooperate. The PLC controller 6 receives the real-time flow rate value detected by the gas flow rate meter 5, and controls the warning lamp 7 to turn on and controls the driving motor 15 to start correspondingly when the flow rate suddenly changes and is unstable and is lower or higher than the preset flow rate, and uses the warning lamp 7 to warn and remind personnel that the flow rate is in a suddenly changing and unstable state.

[0028] Further, the threaded lifting elastic support assembly includes a spring 10 fixedly connected to the inner wall of the bottom of the groove. The top end of the spring 10 extends above the piston 9 and is fixedly connected to a T-shaped lifting seat 11. The bottom end of the output shaft of the driving motor 15 is fixedly connected to a screw rod 12. The T-shaped lifting seat 11 is threadedly sleeved on the screw rod 12. A threaded hole for threaded connection with the screw rod 12 is provided at the top of the T-shaped lifting seat 11. The threaded connection between the screw rod 12 and the threaded hole is used to conveniently drive the T-shaped lifting seat 11 to move up and down when the screw rod 12 rotates. The configured spring 10, T-shaped lifting seat 11, and screw rod 12 cooperate. When the gas enters the circular tube 4 upward, it will squeeze the driving piston 9 to move upward and compress the spring 10. The upward movement of the piston 9 releases part of the blockage of the air outlet 8 for ventilation. When the driving motor 15 is controlled by the PLC controller 6 to start driving the screw rod 12 to rotate, the screw rod 12 rotates to drive the T-shaped lifting seat 11 to move up and down, increasing or releasing the compression force on the spring 10, changing the elastic support force on the piston 9, and further driving the piston 9 to move downward or making it continue to move upward under the pressure of the lower gas, changing the degree of unsealing of the air outlet 8, thereby changing the gas outlet volume, and then changing the flow rate value of the subsequent gas passing through the gas flowmeter 5. When the preset flow rate value is reached, the PLC controller 6 controls the warning light 7 and the driving motor 15 to automatically turn off, achieving the effect of automatic uniform adjustment, reducing the instability and excessive waste caused by sudden increase in flow rate, and achieving the gas throttling effect.

[0029] Further, the telescopic vertical guide assembly includes an outer tube 13 fixedly connected to the top of the piston 9. Two inner rods 14 are fixedly connected to the inner wall of the top end of the circular tube 4. The two outer tubes 13 are respectively slidably sleeved on the corresponding inner rods 14. The T-shaped lifting seat 11 is slidably sleeved on the two outer tubes 13. Two vertical guide holes for slidably sleeving the outer sides of the corresponding outer tubes 13 are provided at the bottom of the T-shaped lifting seat 11. The T-shaped lifting seat 11 is slidably sleeved on the two outer tubes 13 through the two vertical guide holes, achieving the effect of guiding the vertical sliding of the T-shaped lifting seat 11. An outer edge convex edge is integrally provided at the top of the outer side of the outer tube 13. The configured outer edge convex edge is used to block and limit the T-shaped lifting seat 11 to prevent it from separating from the outer tube 13. The cooperation of the configured outer tube 13 and inner rod 14 realizes the vertical guiding of the piston 9, and the two outer tubes 13 are used to realize the vertical guiding of the T-shaped lifting seat 11.

[0030] The method of using the present embodiment is as follows: when the gas throttling device for the water jacket furnace separator in the oil field is used, the connecting flange 1 is connected to the external gas supply pipeline to supply gas, the water jacket furnace separator air inlet pipe is connected to the air inlet pipe of the external oil field water jacket furnace separator, the gas enters the shell 2 through the connecting flange 1, and then enters the round tube 4, the pressure of the gas squeezes and drives the piston 9 to move upward, the piston 9 drives the two outer tubes 13 to slide upward on the corresponding inner rods 14 respectively, the piston 9 partially unseals the two gas outlets 8 upward, at this time, the gas enters the upper part of the diaphragm 3 in the shell 2 through the two gas outlets 8, and enters the gas flow meter 5 after being filled at this position, and then is supplied to the oil field water jacket furnace separator for use;

[0031] When the gas passes through the gas flow meter 5, the gas flow meter 5 detects the gas flow rate in real time and transmits the flow rate value to the PLC controller 6. The PLC controller 6 is used to preset the flow rate value for controlling the opening and closing of the warning light 7 and the corresponding start of the drive motor 15 according to the required gas flow rate. When the flow rate suddenly increases or decreases, the PLC controller 6 controls the warning light 7 to turn on to warn people that the flow rate has changed. At the same time, the PLC controller 6 controls the drive motor 15 to start accordingly. The corresponding start refers to starting forward or reverse according to the increase or decrease. When the drive motor 15 starts, it drives the screw 12 to rotate. The rotation of the screw 12 drives the T-shaped lifting seat 11 to slide upward or downward on the two outer tubes 13. The T-shaped lifting seat 11 increases the compression force on the spring 10 downward or releases the compression force on the spring 10 upward. By changing the spring 10 The compression degree is achieved to change the elastic supporting force on the piston 9. When the compression force increases, the piston 9 is driven to move downward. When the compression force is released and reduced, the pressure of the gas is used to continue to squeeze and drive the piston 9 to move upward a part, so as to achieve the effect of driving the piston 9 to automatically move up and down to change the degree of unsealing of the air outlet 8, thereby changing the outflow of gas, and then changing the flow rate value of the subsequent gas passing through the gas flow meter 5. When the preset flow rate value is reached, the PLC controller 6 controls the warning light 7 and the drive motor 15 to automatically turn off, so as to achieve the effect of intelligent automatic uniform speed adjustment. By intelligently and automatically adjusting the flow rate, the instability and excessive waste caused by the sudden increase in the flow rate are reduced, and the gas throttling effect is achieved. In addition, through the automatic warning reminder when the flow rate changes and the automatic shutdown after uniform adjustment, it is convenient for personnel to grasp the state of the flow rate being changed or adjusted.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gas throttling device for a water jacket furnace separator in an oil field, comprising a gas throttling device body, wherein the gas throttling device body comprises a connecting flange (1), and is characterized in that: The top of the connecting flange (1) is connected and fixed with a housing (2) with an opening at the bottom, the left side of the housing (2) is connected and fixed with a gas flow meter (5), and the gas outlet of the gas flow meter (5) is connected and fixed with a gas inlet pipe of a water jacket furnace separator; A transverse partition (3) located below the gas flow meter (5) is fixedly installed in the shell (2); a circular tube (4) with a top end as a blocking structure is embedded and fixedly installed on the top of the transverse partition (3) and the top of the shell (2); air outlet holes (8) are provided on the inner walls of both sides of the circular tube (4); a control warning component electrically connected to the gas flow meter (5) is fixedly installed on the left side of the top of the shell (2); and a driving motor (15) electrically connected to the control warning component is fixedly installed on the top of the circular tube (4); The sealing sliding sleeve in the circular tube (4) is provided with a piston (9) located between the two air outlet holes (8), the top of the piston (9) is provided with a groove, and a threaded lifting spring support component fixedly connected to the output shaft of the driving motor (15) is fixedly installed on the inner wall of the bottom of the groove; Two telescopic vertical guide assemblies are fixedly connected between the top of the piston (9) and the inner wall of the top end of the round tube (4), and the threaded lifting spring support assembly is slidably sleeved on the two telescopic vertical guide assemblies.

2. The gas throttling device for oilfield water jacket furnace separator according to claim 1 is characterized in that: The control warning component comprises a PLC controller (6) fixedly mounted on the top left side of the housing (2); a warning light (7) is fixedly connected to the top of the PLC controller (6); and the warning light (7), the drive motor (15) and the gas flow meter (5) are all electrically connected to the PLC controller (6).

3. The gas throttling device for oilfield water jacket furnace separator according to claim 2 is characterized in that: The threaded lifting spring assembly comprises a spring (10) fixedly connected to the inner wall of the bottom of the groove, the top end of the spring (10) extends to the top of the piston (9) and is fixedly connected to a T-shaped lifting seat (11), the bottom end of the output shaft of the driving motor (15) is fixedly connected to a screw rod (12), and the T-shaped lifting seat (11) is threadedly sleeved on the screw rod (12).

4. The gas throttling device for oilfield water jacket furnace separator according to claim 3 is characterized in that: The telescopic vertical guide assembly comprises an outer tube (13) fixedly connected to the top of the piston (9); two inner rods (14) are fixedly connected to the inner wall of the top end of the circular tube (4); the two outer tubes (13) are respectively slidably sleeved on the corresponding inner rods (14); the T-shaped lifting seat (11) is slidably sleeved on the two outer tubes (13); and the outer top of the outer tube (13) is integrally provided with an outer edge convex edge.

5. The gas throttling device for oilfield water jacket furnace separator according to claim 1, characterized in that: The top of the connecting flange (1) is provided with a plurality of bolt installation holes at equal intervals in a circular shape.

6. The gas throttling device for oilfield water jacket furnace separator according to claim 1, characterized in that: The outer bonding sleeve of the piston (9) is provided with a sealing ring, and the outer side of the sealing ring is slidably connected to the inner wall of the circular tube (4). A limit block (16) is fixedly connected to the left inner wall of the circular tube (4) and is in active contact with the left side of the bottom of the piston (9).

7. The gas throttling device for oilfield water jacket furnace separator according to claim 3 is characterized in that: A threaded hole threadably connected to the screw rod (12) is provided on the top of the T-shaped lifting seat (11).

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