Liquid carbon dioxide pressurization system

Abstract

The utility model provides a liquid carbon dioxide pressurization system which comprises a mounting seat, a reciprocating booster pump and a hydraulic motor are mounted on the left side and the right side of the upper end of the mounting seat through bolts, and the reciprocating booster pump and the hydraulic motor are mutually coupled; control valves are connected to the front side, the rear side and the upper side of the reciprocating booster pump through flanges; a first connecting pipe is in flange connection with the control valve on the upper part and the rear side of the reciprocating booster pump; the rear side of the reciprocating booster pump is connected with a storage tank through a control valve and a first connecting pipe; a control valve on the front side of the reciprocating booster pump is in flange connection with a second pipeline; and a pressure regulating control cylinder structure is supported at the upper end of the first connecting pipe. According to the utility model, through the arrangement of the pressure regulating control cylinder structure, the pressure can be conveniently regulated according to the pressurized pressure, and the damage to a container or a pipeline caused by overlarge pressure is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of liquid carbon dioxide pressurization, and in particular relates to a liquid carbon dioxide pressurization system. Background Art

[0002] The liquid carbon dioxide boosting system is an instrument device for boosting the pressure inside the container and increasing the flow rate of the liquid carbon dioxide during the processing and transportation process. The traditional liquid carbon dioxide boosting system includes a carbon dioxide storage tank, a reciprocating boosting pump, a boosting buffer tank, a foaming agent metering injection system and an extruder. The top and bottom ends of the carbon dioxide storage tank are respectively connected to the reciprocating boosting pump through a pipeline, the reciprocating boosting pump is provided with a hydraulic motor, the compound boosting pump is connected to the boosting buffer tank through a pipeline, a pressure sensor is provided at the top of the boosting buffer tank, and a pressure sensor and a safety valve are provided on both sides of the pressure sensor, a heating device is provided at the bottom end of the boosting buffer tank, a weighing sensor is provided at the center of the top end of the boosting buffer tank, the boosting buffer tank is connected to the foaming agent metering injection system through a pipeline, and the foaming agent metering injection system is connected to the extruder through a pipeline, and has the beneficial effects of a stable system and low cost, but the pressure cannot be adjusted at the delivery point, which is inconvenient to adjust during pressurization, and it is easy to cause damage to the container or pipeline due to excessive pressure, affecting the use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a liquid carbon dioxide pressurizing system, which can adjust the pressure at the delivery point during the delivery process to avoid damage to containers or pipelines caused by excessive pressure during pressurization and affect use.

[0004] The technical scheme is as follows: a liquid carbon dioxide boosting system comprises a mounting seat, on the left and right sides of the upper end of the mounting seat are bolted reciprocating booster pump and hydraulic motor, and the reciprocating booster pump and hydraulic motor are axially connected to each other; the front and rear sides and the upper side of the reciprocating booster pump are flange-connected with control valves; the upper flanges of the control valves on the upper part and rear side of the reciprocating booster pump are flange-connected with a first connecting pipe; the rear side of the reciprocating booster pump is connected to a storage tank through the control valve and the first connecting pipe; the upper flange of the control valve on the front side of the reciprocating booster pump is flange-connected with a second pipeline; the upper end of the first connecting pipe supports a pressure regulating control cylinder structure, characterized in that the pressure regulating control cylinder structure comprises a mounting cylinder, on the upper end of the mounting cylinder is bolted with a servo motor; a discharge terminal is welded on the lower left side of the interior of the mounting cylinder; limiting seats are welded on the left and right sides of the lower part of the interior of the mounting cylinder; and a movable plug seat structure is installed inside the mounting cylinder.

[0005] Preferably, the mounting tube is threadedly connected to the upper side of the first connecting tube, a pressure sensor is embedded in the first connecting tube and is electrically connected to a computer.

[0006] Preferably, the discharge end is connected to the upper left side of the front end of the storage tank through a pipeline.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, the installation tube and the limiting seat are arranged to cooperate with other structures for installation and limiting.

[0009] In the utility model, the servo motor can be connected to a computer so as to conveniently adjust the pressure according to the size of the boost, thereby avoiding damage to the container or pipeline due to excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the pressure regulating control cylinder structure of the utility model.

[0012] Figure 3 It is a structural schematic diagram of the movable plug seat structure of the utility model.

[0013] In the figure:

[0014] 1. Mounting seat; 2. Hydraulic motor; 3. Reciprocating booster pump; 4. First connecting pipe; 5. Control valve; 6. Second pipeline; 7. Storage tank; 8. Pressure regulating control cylinder structure; 81. Mounting cylinder; 82. Servo motor; 83. Discharge end; 84. Limiting seat; 85. Movable plug seat structure; 851. Threaded pipe; 852. Threaded long rod; 853. Compression spring; 854. Piston head; 855. Assembly disk. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] Example:

[0017] As attached Figure 1 As shown, a liquid carbon dioxide boosting system comprises a mounting base 1, on the left and right sides of the upper end of the mounting base 1, a reciprocating boosting pump 3 and a hydraulic motor 2 are bolted, and the reciprocating boosting pump 3 and the hydraulic motor 2 are axially connected to each other; the front and rear sides and the upper side of the reciprocating boosting pump 3 are flange-connected with a control valve 5; the upper part and rear side of the control valve 5 of the reciprocating boosting pump 3 are flange-connected with a first connecting pipe 4; the rear side of the reciprocating boosting pump 3 is connected to a storage tank 7 through the control valve 5 and the first connecting pipe 4; the upper part of the control valve 5 on the front side of the reciprocating boosting pump 3 is flange-connected with a second pipeline 6; the upper end of the first connecting pipe 4 supports a pressure regulating control cylinder structure 8.

[0018] As attached Figure 2As shown, in the above embodiment, specifically, the pressure regulating control cylinder structure 8 includes a mounting cylinder 81, and a servo motor 82 is bolted on the upper end of the mounting cylinder 81; a discharge terminal 83 is welded on the lower left side of the interior of the mounting cylinder 81; limiting seats 84 are welded on both the left and right sides of the lower part of the interior of the mounting cylinder 81; a movable plug seat structure 85 is installed inside the mounting cylinder 81; during the transportation process, part of the liquid carbon dioxide will push the piston head 854 inside the mounting cylinder 81 to compress the compression spring 853, and then be injected through the discharge terminal 83 and the pipeline connected to the storage tank 7 for recycling.

[0019] As attached Figure 3 As shown, in the above embodiment, specifically, the movable plug seat structure 85 includes a threaded tube 851, and the threaded tube 851 is internally threadedly connected with a threaded long rod 852; an assembly disk 855 is welded to the end of the threaded long rod 852; a compression spring 853 is boltedly installed between the assembly disks 855; and a piston head 854 is boltedly installed on the assembly disk 855 at the lower end of the compression spring 853.

[0020] In the above embodiment, specifically, the upper end of the threaded long rod 852 is embedded and connected with the output shaft of the servo motor 82, and the threaded long rod 852 is connected to the threaded tube 851, so as to adjust the length of the compression spring 853 according to the demand, and then adjust the pressure for use.

[0021] In the above embodiment, specifically, the piston head 854 at the end of the compression spring 853 is inserted into the lower side of the inside of the mounting cylinder 81 and cooperates with the discharge end 83 for operation.

[0022] In the above embodiment, specifically, a plurality of assembly trays 855 are provided, and are matched with the installation tube 81 and assembled and used in conjunction with other structures.

[0023] How it works

[0024] The working principle of the utility model is as follows: when the liquid carbon dioxide is pressurized and transported, the first connecting pipe 4 at the front end of the reciprocating booster pump 3 is connected to the container. After the connection is completed, the hydraulic motor 2 makes the reciprocating booster pump 3 work, so that the liquid carbon dioxide in the storage tank 7 can be pressurized and transported to the connected container for use. During the transportation process, part of the liquid carbon dioxide will push the piston head 854 inside the mounting cylinder 81 to compress the compression spring 853, and then it will be injected and recovered through the discharge end 83 and the pipeline connected to the storage tank 7 for pressure regulation.

[0025] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A liquid carbon dioxide boosting system, the liquid carbon dioxide boosting system comprising a mounting seat (1), a reciprocating boosting pump (3) and a hydraulic motor (2) being bolted on both left and right sides of the upper end of the mounting seat (1), and the reciprocating boosting pump (3) and the hydraulic motor (2) being axially connected to each other; a control valve (5) being flange-connected on both front and rear sides and the upper side of the reciprocating boosting pump (3); a first connecting pipe (4) being flange-connected on the control valve (5) on the upper part and the rear side of the reciprocating boosting pump (3); a storage tank (7) being connected on the rear side of the reciprocating boosting pump (3) through the control valve (5) and the first connecting pipe (4); a second pipeline (6) being flange-connected on the control valve (5) on the front side of the reciprocating boosting pump (3); a pressure regulating control cylinder structure (8) being supported on the upper end of the first connecting pipe (4), characterized in that: The pressure regulating control cylinder structure (8) comprises a mounting cylinder (81), a servo motor (82) being bolted to the upper end of the mounting cylinder (81); a discharge terminal (83) being welded to the lower left side of the interior of the mounting cylinder (81); limiting seats (84) being welded to the left and right sides of the lower part of the interior of the mounting cylinder (81); and a movable plug seat structure (85) being installed inside the mounting cylinder (81).

2. The liquid carbon dioxide pressurizing system according to claim 1, characterized in that: The movable plug seat structure (85) comprises a threaded tube (851), the threaded tube (851) is internally threadedly connected to a threaded long rod (852); an assembly disk (855) is welded to the end of the threaded long rod (852); a compression spring (853) is bolted between the assembly disks (855); and a piston head (854) is bolted to the assembly disk (855) at the lower end of the compression spring (853).

3. The liquid carbon dioxide pressurizing system according to claim 1, characterized in that: The installation tube (81) is threadedly connected to the upper side of the first connecting tube (4), and a pressure sensor is embedded in the first connecting tube (4) and is electrically connected to a computer.

4. The liquid carbon dioxide pressurizing system according to claim 1, characterized in that: The discharge end (83) is connected to the upper left side of the front end of the storage tank (7) through a pipeline.

5. The liquid carbon dioxide pressurizing system according to claim 2, characterized in that: The upper end of the threaded long rod (852) is embedded and connected with the output shaft of the servo motor (82), and the threaded long rod (852) is connected with the threaded tube (851).

6. The liquid carbon dioxide pressurizing system according to claim 2, characterized in that: The piston head (854) at the end of the compression spring (853) is inserted into the lower side of the interior of the mounting cylinder (81).

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