CN212672944U - Light hydrocarbon isomerization liquefied gas outward-conveying recovery device - Google Patents

Abstract

The utility model discloses a light hydrocarbon isomerization liquefied gas outward-conveying recovery device in the technical field of liquefied gas recovery, which comprises a base and a shell, wherein the left end and the right end of a cover body are symmetrically fixed with lug blocks, the lug blocks are in threaded connection with a screw rod, the bottom end of the screw rod is rotatably connected with a supporting block, the inner end of the supporting block is fixed with the shell, a filter screen is placed in the shell, the position of the left side wall of the shell, which is close to the bottom wall of the shell, is provided with an air return assembly, and the position of the right side wall of the shell; the utility model, by adding the screw rod, the cover body and the filter screen, etc., rotates the screw rod to drive the cover body to move upwards along the vertical direction, then drives the support frame and the filter screen to move upwards along the vertical direction through the connecting rod, the filter screen can be periodically cleaned and replaced, and the reduction of the liquefied gas recovery efficiency caused by the blockage of the filter screen is avoided; by adding the liquid return pipe, the air return pipe, the pressure transmitter and the like, the separation of residual liquid and gas is realized, and the recovery speed of liquefied gas is favorably improved.

Description

Light hydrocarbon isomerization liquefied gas outward-conveying recovery device

Technical Field

The utility model relates to a liquefied gas retrieves technical field, specifically is a light hydrocarbon isomerization liquefied gas outward-sending recovery unit.

Background

The liquefied gas is a mixture of propane and butane, usually with small amounts of propylene and butenes. An intense odorant, ethanethiol, is usually added so that leakage of liquefied gas can be easily detected. Liquefied gas is usually stored in a steel cylinder for use, but a small amount of liquid and gas usually remain in the steel cylinder, the residual liquid in the steel cylinder is more in winter, the residual liquid is not nonflammable slag, the gasification volatility of the residual liquid is much greater than that of gasoline, if the residual liquid is randomly poured out, the volume of the residual liquid is instantly enlarged by 250 times, and the residual liquid is always deposited and retained in a low-lying place due to the fact that the specific gravity of the residual liquid is greater than that of air, and the fire risk is very high.

In the prior art, a filter screen in a liquefied gas outward-feeding recovery device is inconvenient to clean and replace, and the filter screen is possibly blocked, so that the recovery speed of the liquefied gas is reduced; moreover, when the device is used for treating the residual liquid in the liquefied gas tank, the effective separation operation of the residual liquid and the gas in the steel tank is rarely involved, and the recovery speed of the liquefied gas is reduced.

Therefore, a light hydrocarbon isomerization liquefied gas outward-conveying recovery device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light hydrocarbon isomerization liquefied gas outward conveying recovery unit to solve and provide the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a light hydrocarbon isomerization liquefied gas outward-sending recovery device comprises a base and a shell, wherein the top end of the base is fixedly provided with the shell, the top end of the shell is provided with a cover body, the center of the top end of the cover body is communicated with a liquid inlet pipe, a sealing ring is fixed on the position, corresponding to the top end of the shell, of the inner wall of the cover body, the left end and the right end of the cover body are symmetrically fixed with lug blocks, the lug blocks are in threaded connection with screw rods, the bottom ends of the screw rods are rotatably connected with supporting blocks, the inner ends of the supporting blocks are fixed with the shell, rotating handles are fixed on the top ends of the screw rods, the inner wall of the shell is slidably connected with a supporting frame, connecting rods are symmetrically fixed on the left end and the right end of the supporting frame, the top ends of the connecting rods are fixed with the inner wall, the middle part of the right side wall of the shell is connected with an exhaust pipe with a valve, one end of the exhaust pipe, which is far away from the shell, is communicated with an air storage tank, and a liquid return assembly is arranged at a position, which is close to the bottom wall, of the right side wall of the shell.

Preferably, the left end position of the bottom wall of the housing is higher than the right end position thereof.

Preferably, the air return assembly comprises an air return pipe which is communicated with the shell and is provided with a valve, the left end of the air return pipe is communicated with an air bottle, a compressor is arranged in the middle of the air return pipe, a motor is arranged on the outer side of the compressor, and the compressor is correspondingly connected with the motor.

Preferably, the compressor is provided with a brake switch, and the brake switch is connected with the output end of the motor.

Preferably, the liquid return assembly comprises a liquid return pipe which is communicated with the right side wall of the shell and is provided with a valve, and the right end of the liquid return pipe is communicated with a liquid storage tank.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the screw rod, the cover body, the filter screen and the like are added, the screw rod is rotated to drive the cover body to move upwards along the vertical direction, and then the support frame and the filter screen are driven to move upwards along the vertical direction through the connecting rod, so that the filter screen can be periodically cleaned and replaced, and the liquefied gas recovery efficiency is prevented from being reduced due to the blockage of the filter screen;

2. by adding the liquid return pipe, the air return pipe, the pressure transmitter and the like, the separation of residual liquid and gas is realized, and the recovery speed of liquefied gas is favorably improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the cover body of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the support frame of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a base 1, a box 2, a support frame 3, a filter screen 4, a connecting rod 5, a support block 6, a sealing ring 7, a cover 8, a lug 9, a screw rod 10, a liquid inlet pipe 11, a pressure transmitter 12, a gas return pipe 13, a motor 14, a compressor 15, a gas cylinder 16, a liquid return pipe 17, a liquid storage tank 18, a gas exhaust pipe 19, a gas storage tank 20, a gas return component 21 and a liquid return component 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a light hydrocarbon isomerization liquefied gas outward delivery recovery unit, includes base 1 and casing 2, and 1 top of base is fixed with casing 2, and the left end position of casing 2 diapire is higher than its right-hand member position, and the liquid after the separation of being convenient for flows from liquid return pipe 17. A cover body 8 is arranged at the top end of the shell 2, a liquid inlet pipe 11 is communicated with the center of the top end of the cover body 8, a sealing ring 7 is fixed on the position of the inner wall of the cover body 8 corresponding to the top end of the shell 2, lug blocks 9 are symmetrically fixed at the left and right ends of the cover body 8, screw rods 10 are in threaded connection with the lug blocks 9, the bottom ends of the screw rods 10 are rotatably connected with supporting blocks 6, the inner ends of the supporting blocks 6 are fixed with the shell 2, a rotating handle is fixed at the top end of the screw rods 10, a supporting frame 3 is slidably connected with the inner wall of the shell 2, connecting rods 5 are symmetrically fixed at the left and right ends of the supporting frame 3, the top ends of the connecting rods 5 are fixed with the inner wall of the cover body 8, a filter screen 4 is placed at the top end of the supporting frame 3, a pressure transmitter 12 is arranged on the left side wall, the left end of the air return pipe 13 is communicated with an air bottle 16, the middle of the air return pipe 13 is provided with a compressor 15, the compressor 15 is communicated with the air return pipe 13, the outer side of the compressor 15 is provided with a motor 14, the compressor 15 is correspondingly connected with the motor 14, the compressor 15 and the motor 14 are both externally connected with a power supply, the compressor 15 is provided with a brake switch, and the brake switch is connected with the output end of the motor 14. The middle part of the right side wall of the shell 2 is connected with an exhaust pipe 19 with a valve, one end of the exhaust pipe 19, which is far away from the shell 2, is communicated with an air storage tank 20, a liquid return component 22 is arranged at a position, which is close to the bottom wall of the right side wall of the shell 2, the liquid return component 22 comprises a liquid return pipe 17 which is communicated with the right side wall of the shell 2 and is provided with a valve, and the right end of the liquid.

The working principle of the embodiment is as follows:

interlocking a pressure transmitter 12 and a compressor 15 control box, setting the highest and lowest pressure limits of a shell 2, and closing a valve on an exhaust pipe 19, wherein at the moment, residual liquid and gas enter from a liquid inlet pipe 11 and are filtered by a filter screen 4, the filtered residual liquid is recovered from a liquid return pipe 17 to a liquid storage tank 18, when the gas in the shell 2 reaches the highest set pressure, the pressure transmitter 12 converts a pressure signal into an electric signal, a motor 14 works, the compressor 15 is started, the gas in the shell 2 is charged into a gas cylinder 16, and when the pressure in the shell 2 reaches the low set pressure, the compressor 15 is stopped automatically, so that the purpose of recovering the gas is achieved, the separation of the residual liquid and the gas is realized, and the recovery speed of liquefied gas is improved; when the filter screen 4 is cleaned and replaced, the valves on the liquid return pipe 17 and the air return pipe 13 are closed, the valve on the exhaust pipe 19 is opened, nitrogen is injected from the liquid inlet pipe 11, and residual gas in the shell 2 is discharged into the gas storage tank 20 and the valve on the exhaust pipe 19 is closed; rotate screw rod 10, drive ear piece 9 and shift up along vertical direction, drive lid 8 then and shift up along vertical direction, drive support frame 3 and filter screen 4 through connecting rod 5 then and shift up along vertical direction, can give filter screen 4 regular clearance, change, avoid reducing liquefied gas recovery efficiency because of filter screen 4 blocks up.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a light hydrocarbon isomerization liquefied gas outward transport recovery unit, includes base (1) and casing (2), its characterized in that: the filter screen is characterized in that a shell (2) is fixed at the top end of the base (1), a cover body (8) is arranged at the top end of the shell (2), a liquid inlet pipe (11) is communicated with the center of the top end of the cover body (8), a sealing ring (7) is fixed on the position, corresponding to the top end of the shell (2), of the inner wall of the cover body (8), lug blocks (9) are symmetrically fixed at the left end and the right end of the cover body (8), screw rods (10) are in threaded connection with the lug blocks (9), supporting blocks (6) are rotatably connected at the bottom ends of the screw rods (10), the inner ends of the supporting blocks (6) are fixed with the shell (2), rotating handles are fixed at the top ends of the screw rods (10), a support frame (3) is slidably connected with the inner wall of the shell (2), connecting rods (5) are symmetrically fixed at the left end and the right end of the support frame (3), the, casing (2) left side wall is equipped with pressure transmitter (12), and casing (2) left side wall is close to the position of its diapire and is provided with return air subassembly (21), casing (2) right side wall middle part links up blast pipe (19) that the band has the valve, the one end intercommunication that casing (2) were kept away from in blast pipe (19) has gas holder (20), and the position that casing (2) right side wall is close to its diapire is provided with back liquid subassembly (22).

2. The light hydrocarbon isomerization liquefied gas outward conveying recovery device according to claim 1, characterized in that: the left end position of the bottom wall of the shell (2) is higher than the right end position thereof.

3. The light hydrocarbon isomerization liquefied gas outward conveying recovery device according to claim 1, characterized in that: the air return assembly (21) comprises an air return pipe (13) which is communicated with the shell (2) and is provided with a valve, the left end of the air return pipe (13) is communicated with an air bottle (16), a compressor (15) is arranged in the middle of the air return pipe (13), a motor (14) is arranged on the outer side of the compressor (15), and the compressor (15) is correspondingly connected with the motor (14).

4. The light hydrocarbon isomerization liquefied gas outward conveying recovery device according to claim 3, characterized in that: and a brake switch is arranged on the compressor (15) and is connected with the output end of the motor (14).

5. The light hydrocarbon isomerization liquefied gas outward conveying recovery device according to claim 1, characterized in that: the liquid return component (22) comprises a liquid return pipe (17) which is communicated with the right side wall of the shell (2) and is provided with a valve, and the right end of the liquid return pipe (17) is communicated with a liquid storage tank (18).

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