CN211645129U - Dry gas system is retrieved to lighter hydrocarbons - Google Patents
Dry gas system is retrieved to lighter hydrocarbons Download PDFInfo
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- CN211645129U CN211645129U CN201920862924.0U CN201920862924U CN211645129U CN 211645129 U CN211645129 U CN 211645129U CN 201920862924 U CN201920862924 U CN 201920862924U CN 211645129 U CN211645129 U CN 211645129U
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Abstract
The utility model relates to a light hydrocarbon recovery dry gas system, including stabilizer, liquefied gas jar, raw materials gas buffer tank and absorption tower, the stabilizer be linked together through first pipeline and liquefied gas jar, the liquefied gas jar be linked together through second pipeline and raw materials gas buffer tank, raw materials gas buffer tank be linked together through third pipeline and absorption tower, the top of absorption tower still be provided with fourth pipeline, second pipeline on install noncondensable gas ooff valve, fourth pipeline be linked together through pressure control ooff valve and absorption tower, second pipeline on still be connected with the admission line, raw materials gas buffer tank be linked together through second pipeline and admission line. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to an atmospheric and vacuum distillation unit, specificly relate to a dry gas system is retrieved to light hydrocarbon.
Background
When the desorption tower has poor desorption effect, the bottom oil of the desorption tower contains part of uncondensed gas which is not desorbed and sucked, the pressure of the stabilization tower can be increased after the part of uncondensed gas enters the stabilization tower, the uncondensed gas of the stabilization tower is sent to a dry gas system through an uncondensed gas valve, and part of liquefied gas components can enter the dry gas system along with the uncondensed gas during operation, so that the condition that the dry gas is not dry is caused.
Disclosure of Invention
The non-condensable gas switch valve in the utility model can be driven not only by controlling the servo motor, but also by manual rotation, thereby playing a role in increasing the practical performance; provides a light hydrocarbon recovery dry gas system.
In order to solve the technical problem, the utility model provides a dry gas system is retrieved to light hydrocarbon, its characterized in that: including stabilizer, liquefied gas jar, raw materials gas buffer tank and absorption tower, the stabilizer be linked together through first pipeline and liquefied gas jar, the liquefied gas jar be linked together through second pipeline and raw materials gas buffer tank, the raw materials gas buffer tank be linked together through third pipeline and absorption tower, the top of absorption tower still be provided with fourth pipeline, second pipeline on install noncondensable gas ooff valve, fourth pipeline be linked together through pressure control ooff valve and absorption tower, second pipeline on still be connected with the admission line, the raw materials gas buffer tank be linked together through second pipeline and admission line.
Further: the non-condensable gas switch valve include first valve body, valve leaf, pivot and servo motor, the valve leaf rotate to be connected in first valve body and seal it, the valve leaf suit in the pivot and along with its is with rotating, the upper end of pivot stretch out first valve body and link to each other with servo motor's play axle head, servo motor pass through the top that the servo motor mounting bracket is connected at first valve body.
Further: the valve blade is also provided with an overpressure channel, the outlet of the overpressure channel is also provided with a pressure protection valve, the pressure protection valve comprises a second valve cylinder, a third valve cylinder, a first valve seat, a first valve core and a first spring, the second valve cylinder is fixed at the back of the valve leaf, the first valve core is movably connected in one end of the second valve cylinder and faces the overpressure channel, the first valve seat is arranged at the other end of the second valve cylinder, the first valve core is connected with the first valve seat through a first spring, the third valve cylinder is sleeved outside the second valve cylinder, one end of the third valve cylinder is hermetically connected with the outer wall of the second valve cylinder, a gap is reserved between the inner wall of the third valve cylinder and the outer wall of the second valve cylinder, a through hole is formed in the side wall of the second valve cylinder and communicated with the gap, and the through hole is sealed through the first valve core.
And further: the lower extreme of pivot stretch out first valve body and install manual turning handle, the upper end of pivot link to each other through connecting cylinder and servo motor's play axle head, servo motor's play axle head and the upper end of pivot stretch into it from the upper and lower both ends of connecting cylinder respectively inside, the lateral wall of connecting cylinder on seted up two screw holes, two threaded hole in be connected with first puller bolt and second puller bolt respectively, first puller bolt pass screw hole and servo motor's play axle head and link to each other, second puller bolt pass the upper end of screw hole and pivot and link to each other.
And further: the pressure control switch valve comprises a fourth valve cylinder, a second valve core, a guide post, a second spring, a second valve seat and a gas collecting hood, the fourth valve cylinder is arranged at the top of the absorption tower, the second valve core is movably connected in one end of the fourth valve cylinder and is opposite to the air outlet at the top of the absorption tower, the second valve seat is arranged at the other end of the fourth valve cylinder, the guide post is arranged in the fourth valve cylinder, one end of the guide post is fixed on the valve seat, the second valve core is movably connected on the guide post and is connected with the second valve seat through a second spring, the gas-collecting hood is fixed on the second valve seat and connected with the fourth conveying pipeline, the gas-collecting hood is provided with an air outlet, the gas collecting hood is communicated with a fourth conveying pipeline through a gas outlet, the inner wall of the fourth valve cylinder is provided with a notch, and the second valve seat is provided with a second through hole.
After the structure is adopted, the non-condensable gas switch valve in the utility model not only can be driven by controlling the servo motor, but also can be driven by manual rotation, thereby playing a role in increasing the practical performance; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the non-condensable gas switching valve.
Fig. 3 is a schematic structural view of the pressure protection valve.
Fig. 4 is a schematic structural view of the pressure control on-off valve.
Detailed Description
As shown in figure 1, the light hydrocarbon recovery dry gas system is characterized in that: including stabilizer 1, liquefied gas jar 2, raw materials gas buffer tank 3 and absorption tower 4, stabilizer 1 be linked together through first pipeline 5 and liquefied gas jar 2, liquefied gas jar 2 be linked together through second pipeline 6 and raw materials gas buffer tank 3, raw materials gas buffer tank 3 be linked together through third pipeline 8 and absorption tower 4, the top of absorption tower 4 still be provided with fourth pipeline 9, second pipeline 6 on install noncondensable gas ooze switch valve 10, fourth pipeline 9 be linked together through pressure control switch valve 11 and absorption tower 4, second pipeline 6 on still be connected with inlet line 7, raw materials gas buffer tank 3 be linked together through second pipeline 6 and inlet line 7. The non-condensable gas switch valve in the utility model can be driven not only by controlling the servo motor, but also by manual rotation, thereby playing a role in increasing the practical performance; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.
The non-condensable gas switching valve 10 shown in fig. 2 comprises a first valve body 10-1, a valve leaf 10-2, a rotating shaft 10-5 and a servo motor 10-6, wherein the valve leaf 10-2 is rotatably connected in the first valve body 10-1 and seals the first valve body 10-1, the valve leaf 10-2 is sleeved on the rotating shaft 10-5 and rotates along with the rotating shaft 10-5, the upper end of the rotating shaft 10-5 extends out of the first valve body 10-1 and is connected with the output shaft end of the servo motor 10-6, and the servo motor 10-6 is connected to the top of the first valve body 10-1 through a servo motor mounting frame 10-7.
As shown in fig. 3, a pressure passage 10-3 is further formed on the valve leaf 10-2, a pressure protection valve 10-4 is further disposed at an outlet of the pressure passage, the pressure protection valve includes a second valve barrel 10-4-1, a third valve barrel 10-4-2, a first valve seat 10-4-7, a first valve core 10-4-5 and a first spring 10-4-6, the second valve barrel 10-4-1 is fixed at a back of the valve leaf, the first valve core is movably connected in one end of the second valve barrel and faces the pressure passage, the first valve seat is mounted at the other end of the second valve barrel, the first valve core is connected with the first valve seat through the first spring, the third valve barrel 10-4-2 is sleeved outside the second valve barrel 10-4-1, and one end of the third valve core is hermetically connected with an outer wall of the second valve barrel, a gap 10-4-4 is reserved between the inner wall of the third valve cylinder and the outer wall of the second valve cylinder, a through hole 10-4-3 is formed in the side wall of the second valve cylinder and communicated with the gap, and the through hole is sealed through the first valve core.
The lower end of a rotating shaft 10-5 shown in figure 2 extends out of a first valve body and is provided with a manual rotating handle 10-11, the upper end of the rotating shaft is connected with an output shaft end of a servo motor through a connecting cylinder 10-8, the output shaft end of the servo motor and the upper end of the rotating shaft respectively extend into the connecting cylinder from the upper end and the lower end of the connecting cylinder, the side wall of the connecting cylinder is provided with two threaded holes, the two threaded holes are respectively connected with a first puller bolt 10-9 and a second puller bolt 10-10, the first puller bolt 10-9 penetrates through the threaded holes to be connected with the output shaft end of the servo motor, and the second puller bolt penetrates through the threaded holes to be connected with the upper end of the rotating shaft.
The pressure control switch valve 11 shown in fig. 4 comprises a fourth valve cylinder 11-1, a second valve core 11-2, a guide post 11-9, a second spring 11-4, a second valve seat 11-5 and a gas collecting hood 11-7, wherein the fourth valve cylinder is installed on the top of the absorption tower, the second valve core 11-2 is movably connected in one end of the fourth valve cylinder and faces the gas outlet on the top of the absorption tower, the second valve seat 11-5 is installed at the other end of the fourth valve cylinder, the guide post 11-9 is arranged in the fourth valve cylinder and one end of the guide post is fixed on the valve seat 11-5, the second valve core is movably connected on the guide post, the second valve core is connected with the second valve seat through the second spring, the gas collecting hood is fixed on the second valve seat and connected with the fourth conveying pipeline, the gas collecting hood is provided with a gas outlet 11-8, the gas collecting hood is communicated with a fourth conveying pipeline through a gas outlet, the inner wall of the fourth valve cylinder is provided with a notch 11-3, and the second valve seat is provided with a second through hole.
Claims (5)
1. The utility model provides a dry gas system is retrieved to lighter hydrocarbons which characterized in that: including stabilizer, liquefied gas jar, raw materials gas buffer tank and absorption tower, the stabilizer be linked together through first pipeline and liquefied gas jar, the liquefied gas jar be linked together through second pipeline and raw materials gas buffer tank, the raw materials gas buffer tank be linked together through third pipeline and absorption tower, the top of absorption tower still be provided with fourth pipeline, second pipeline on install noncondensable gas ooff valve, fourth pipeline be linked together through pressure control ooff valve and absorption tower, second pipeline on still be connected with the admission line, the raw materials gas buffer tank be linked together through second pipeline and admission line.
2. A light hydrocarbon recovery dry gas system as claimed in claim 1, wherein: the non-condensable gas switching valve (10) comprises a first valve body (10-1), a valve leaf (10-2), a rotating shaft (10-5) and a servo motor (10-6), wherein the valve leaf (10-2) is rotatably connected in the first valve body (10-1) and seals the first valve body (10-1), the valve leaf (10-2) is sleeved on the rotating shaft (10-5) and rotates along with the rotating shaft, the upper end of the rotating shaft (10-5) extends out of the first valve body (10-1) and is connected with the output shaft end of the servo motor (10-6), and the servo motor (10-6) is connected to the top of the first valve body (10-1) through a servo motor mounting frame (10-7).
3. A light hydrocarbon recovery dry gas system as claimed in claim 2, wherein: the pressure protection valve comprises a second valve barrel (10-4-1), a third valve barrel (10-4-2), a first valve seat (10-4-7), a first valve core (10-4-5) and a first spring (10-4-6), wherein the second valve barrel (10-4-1) is fixed on the back of the valve blade, the first valve core is movably connected in one end of the second valve barrel and faces the overpressure channel, the first valve seat is installed at the other end of the second valve barrel, the first valve core is connected with the first valve seat through the first spring, the third valve barrel (10-4-2) is sleeved outside the second valve barrel (10-4-1), and one end of the third valve barrel and one end of the second valve barrel are connected with the second valve The outer walls of the cylinders are connected in a sealing mode, a gap (10-4-4) is reserved between the inner wall of the third valve cylinder and the outer wall of the second valve cylinder, a through hole (10-4-3) is formed in the side wall of the second valve cylinder, the through hole is communicated with the gap, and the through hole is sealed through the first valve core.
4. A light hydrocarbon recovery dry gas system as claimed in claim 2, wherein: the lower extreme of pivot (10-5) stretch out first valve body and install manual turning handle (10-11), the upper end of pivot link to each other through connecting cylinder (10-8) and servo motor's play axle head, servo motor's play axle head and the upper end of pivot stretch into its inside from the upper and lower both ends of connecting cylinder respectively, the lateral wall of connecting cylinder on seted up two screw holes, two screw holes in be connected with first puller bolt (10-9) and second puller bolt (10-10) respectively, first puller bolt (10-9) pass the screw hole and link to each other with servo motor's play axle head, second puller bolt pass the screw hole and link to each other with the upper end of pivot.
5. A light hydrocarbon recovery dry gas system as claimed in claim 1, wherein: the pressure control switch valve (11) comprises a fourth valve cylinder (11-1), a second valve core (11-2), a guide post (11-9), a second spring (11-4), a second valve seat (11-5) and a gas collecting hood (11-7), the fourth valve cylinder is installed at the top of the absorption tower, the second valve core (11-2) is movably connected in one end of the fourth valve cylinder and faces an air outlet at the top of the absorption tower, the second valve seat (11-5) is installed at the other end of the fourth valve cylinder, the guide post (11-9) is arranged in the fourth valve cylinder, one end of the guide post is fixed on the valve seat (11-5), the second valve core is movably connected on the guide post, the second valve core is connected with the second valve seat through the second spring, the gas collecting hood is fixed on the second valve seat and is connected with a fourth conveying pipeline, the gas collecting hood is provided with gas outlet holes (11-8), the gas collecting hood is communicated with the fourth conveying pipeline through the gas outlet holes, the inner wall of the fourth valve cylinder is provided with a notch (11-3), and the second valve seat is provided with a second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862924.0U CN211645129U (en) | 2019-06-10 | 2019-06-10 | Dry gas system is retrieved to lighter hydrocarbons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862924.0U CN211645129U (en) | 2019-06-10 | 2019-06-10 | Dry gas system is retrieved to lighter hydrocarbons |
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| CN211645129U true CN211645129U (en) | 2020-10-09 |
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| CN201920862924.0U Active CN211645129U (en) | 2019-06-10 | 2019-06-10 | Dry gas system is retrieved to lighter hydrocarbons |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963703A (en) * | 2022-06-06 | 2022-08-30 | 吴江市松陵电器设备有限公司 | Vacuum type oven with pressure protection function |
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2019
- 2019-06-10 CN CN201920862924.0U patent/CN211645129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963703A (en) * | 2022-06-06 | 2022-08-30 | 吴江市松陵电器设备有限公司 | Vacuum type oven with pressure protection function |
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