Constant-pressure gasification system

Abstract

The utility model relates to the technical field of gasification devices, in particular to a constant-pressure gasification system which comprises a gasification tank body and a controller, the controller is installed on the front side of the gasification tank body, a first discharge port is installed above the gasification tank body, a pressure relief pipe is arranged on the right side of the gasification tank body, a safety valve is installed inside the pressure relief pipe, and a second discharge port is installed on the right side of the gasification tank body. A constant-pressure cylinder is arranged on the right side of the pressure relief pipe, a connecting pipe is fixed to the left side of the constant-pressure cylinder, the constant-pressure cylinder is connected with the pressure relief pipe through the connecting pipe, a second exhaust port is formed in the upper portion of the constant-pressure cylinder, and a sealing plug is arranged in the constant-pressure cylinder; and an up-down sliding structure is formed between the sealing plug and the constant-pressure cylinder. According to the constant-pressure gasification system, the constant-pressure cylinder is arranged to collect and store gas discharged by overpressure of the gasification tank body, waste caused by the fact that the gas is directly discharged to the outside is avoided, follow-up recycling of the gas is facilitated, and the constant-pressure gasification system is more energy-saving and environment-friendly.

Description

Technical Field

[0001] The utility model relates to the technical field of pentane gasification devices, in particular to a constant pressure gasification system. Background Art

[0002] When pentane is processed, in order to facilitate its subsequent combustion and utilization, it is necessary to gasify the pentane, and the pentane is gasified and output for use through a gasification tank. Prior art 1 (publication number CN219756024U, a Chinese patent published on September 26, 2023) A pentane gasification device, which includes a gasification tank body, having a liquid holding cavity, a heat exchange medium inlet cavity and a heat exchange medium outlet cavity that are not connected to each other, the gasification tank body is provided with a filling port, an exhaust port, a heat exchange medium inlet and a heat exchange medium outlet, the filling port and the exhaust port are both connected to the liquid holding cavity, the heat exchange medium inlet is connected to the heat exchange medium inlet cavity, and the heat exchange medium outlet is connected to the heat exchange medium outlet cavity; a heat exchange pipe, one end of the heat exchange pipe is connected to the heat exchange medium inlet cavity, the heat exchange pipe is located in the liquid holding cavity, and the other end of the heat exchange pipe is connected to the heat exchange medium outlet cavity; a safety valve, the safety valve is arranged on the gasification tank body, and the safety valve is connected to the liquid holding cavity. This technology can ensure the safety of pentane gasification and eliminate the risk of explosion.

[0003] Although the current pentane gasification tank is equipped with a safety valve to limit the pressure inside the tank to prevent overpressure and danger, the overpressure gas will be discharged directly from the tank into the external environment through the safety valve or pressure relief valve during use. On the one hand, it will cause waste and loss of pentane gas, and on the other hand, it will also have an impact on the surrounding environment and bring certain safety hazards. Utility Model Content

[0004] The purpose of the present utility model is to provide a constant pressure gasification system to solve the problem raised in the above background technology that during use, overpressure gas will be directly discharged from the tank into the external environment through a safety valve or a pressure relief valve, which will cause waste and loss of pentane gas on the one hand and affect the surrounding environment on the other hand.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a constant pressure gasification system, comprising a gasification tank body, a first discharge port being installed above the gasification tank body, and a safety valve being provided on the gasification tank body, the exhaust port of the safety valve being sealedly connected to a pressure relief pipe, so as to discharge gas when the gasification tank body is over-pressurized;

[0006] It also includes a constant pressure cylinder, a connecting pipe is fixed on the constant pressure cylinder, the constant pressure cylinder is connected to the pressure relief pipe through the connecting pipe, a second discharge port is installed above the constant pressure cylinder, and a sealing plug is slidably provided inside the constant pressure cylinder;

[0007] A first return spring is connected to the bottom of the sealing plug, and a lower end of the first return spring is connected to a support plate to provide an upward push return force for the sealing plug.

[0008] To further optimize the technical solution, a detachable connection is formed between the connecting pipe and the pressure relief pipe, and a docking flange is provided on the left side of the connecting pipe, and the connecting pipe is connected to the pressure relief pipe via the docking flange.

[0009] To further optimize the technical solution, a one-way conducting valve is provided inside the connecting pipe, and the conducting direction of the one-way conducting valve is from the outside of the connecting pipe to the inside of the constant pressure cylinder.

[0010] To further optimize the technical solution, an overpressure protection mechanism is provided in the middle of the sealing plug to limit the maximum collected air pressure of the constant pressure cylinder.

[0011] Further optimizing the technical solution, the overpressure protection mechanism includes a pressure relief hole, a pressure relief port, a sealing plug, a second return spring, a fixing plate, a push rod and a fixing seat;

[0012] The pressure relief hole is opened in the middle of the sealing plug;

[0013] The pressure relief port is provided inside the pressure relief hole, and the pressure relief hole releases pressure through the pressure relief port;

[0014] A sealing plug is provided above the pressure relief port to seal the pressure relief port;

[0015] A second return spring is provided above the sealing plug to provide a downward thrust for the sealing plug;

[0016] A fixing plate is fixed above the second return spring to provide support for the second return spring, and the fixing plate is fixedly connected to the pressure relief hole;

[0017] A push rod is arranged below the pressure relief port;

[0018] The fixed seat is fixed below the push rod, and the fixed seat and the constant pressure cylinder are fixedly connected.

[0019] To further optimize the technical solution, a movement control mechanism is provided below the support plate, and the elastic force of the first return spring is adjusted by moving the support plate.

[0020] Further optimizing the technical solution, the movement control mechanism includes a connecting frame, an adjustment rod and a guide rod;

[0021] A connecting frame is fixed below the supporting plate;

[0022] The adjusting rod passes through the connecting frame and forms a threaded connection with the connecting frame, and the upper end of the adjusting rod is rotatably connected to the fixing seat;

[0023] The guide rod is fixed below the fixing seat and passes through the connecting frame to form an up and down sliding structure.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] (1) The constant pressure cylinder can collect and store the gas discharged from the overpressure of the gasification tank, avoiding the waste caused by direct discharge of the gas to the outside, facilitating the subsequent recycling of the gas, and being more energy-saving and environmentally friendly;

[0026] (2) The space inside the constant pressure cylinder can be adjusted by setting the sealing plug. As the gas in the constant pressure cylinder increases, the sealing plug can move adaptively to maintain the stability of the gas pressure in the constant pressure cylinder. The subsequent movement of the sealing plug also facilitates the discharge of the gas in the constant pressure cylinder, reducing gas waste.

[0027] (3) The setting of the push rod can lift the sealing plug after it moves down to the maximum setting distance, so that the gas in the constant pressure cylinder can be discharged, which can avoid the danger of overpressure in the constant pressure cylinder and improve its safety;

[0028] (4) The movement of the connecting frame can drive the support plate to move, change the compression amount of the first return spring, and adjust the pressure value of the constant pressure cylinder to adapt to different usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0030] Figure 2 This is a schematic diagram of the internal structure of the constant pressure cylinder of the utility model;

[0031] Figure 3 This is a schematic diagram of the three-dimensional structure of the constant pressure cylinder of the utility model;

[0032] Figure 4 This is a schematic diagram of the main cross-sectional structure of the connecting pipe of the utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the utility model when viewed from above;

[0034] Figure 6 This is a schematic diagram of the internal structure of another embodiment of the constant pressure cylinder of the present utility model;

[0035] Figure 7 This is a bottom view of the sealing plug structure of the utility model;

[0036] Figure 8 This is a schematic diagram of the main cross-sectional structure of the pressure relief hole of the utility model;

[0037] Figure 9 This is a schematic diagram of the sealing plug of the utility model moving downward to the maximum position.

[0038] In the figure: 1. Gasification tank body; 2. Controller; 3. First discharge outlet; 4. Pressure relief pipe; 5. Safety valve; 6. Constant pressure cylinder; 7. Connecting pipe; 8. Docking flange; 9. Second discharge outlet; 10. One-way guide valve; 11. Sealing plug; 12. First return spring; 13. Support plate; 14. Pressure relief hole; 15. Pressure relief port; 16. Sealing plug; 17. Second return spring; 18. Fixing plate; 19. Push rod; 20. Fixing seat; 21. Connecting frame; 22. Adjusting rod; 23. Guide rod. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] See also Figures 1-9 , the utility model provides the following technical solutions: a constant pressure gasification system, comprising a gasification tank body 1 and a controller 2, the controller 2 being mounted on the front side of the gasification tank body 1;

[0041] Example 1: Figure 1-Figure 2 As shown, this embodiment provides the following technical solution, which discloses that a first discharge port 3 is installed above the gasification tank body 1, and a pressure relief pipe 4 is provided on the right side of the gasification tank body 1, and a safety valve 5 is installed inside the pressure relief pipe 4 to discharge gas when the gasification tank body 1 is overpressured, a constant pressure cylinder 6 is provided on the right side of the pressure relief pipe 4, and a connecting pipe 7 is fixed on the left side of the constant pressure cylinder 6, the constant pressure cylinder 6 is connected to the pressure relief pipe 4 through the connecting pipe 7, a second discharge port 9 is installed above the constant pressure cylinder 6, and a sealing plug 11 is provided inside the constant pressure cylinder 6, and an up and down sliding structure is formed between the sealing plug 11 and the constant pressure cylinder 6 to adjust the internal collection space of the constant pressure cylinder 6, a first return spring 12 is connected below the sealing plug 11, and the lower end of the first return spring 12 is connected to a support plate 13 to provide an upward push-up reset force for the sealing plug 11.

[0042] During use, the vaporized pentane can be discharged outward through the first discharge port 3, and the first discharge port 3 can be connected to a corresponding collection structure. When the air pressure in the gasification tank body 1 suddenly increases and exceeds the safety range, the safety valve 5 will open to allow the gas to be transferred to the constant pressure cylinder 6 through the pressure relief pipe 4 and the connecting pipe 7 to maintain the stability of the pressure in the gasification tank body 1. After the gas enters the constant pressure cylinder 6, it can push the sealing plug 11 to move. As the amount of gas increases, the sealing plug 11 can move downward. Subsequently, by opening the second discharge port 9, the gas in the constant pressure cylinder 6 can be discharged, collected and utilized. At the same time, the sealing plug 11 can be moved to send the gas out, reducing gas waste.

[0043] Example 2: Figure 3-Figure 4 As shown, on the basis of embodiment one, a detachable connection is disclosed between the connecting pipe 7 and the pressure relief pipe 4, and a docking flange 8 is provided on the left side of the connecting pipe 7. The connecting pipe 7 is connected to the pressure relief pipe 4 through the docking flange 8. A one-way conducting valve 10 is provided inside the connecting pipe 7, and the conducting direction of the one-way conducting valve 10 is from the outside of the connecting pipe 7 to the inside of the constant pressure cylinder 6.

[0044] The connecting pipe 7 can be connected to the pressure relief pipe 4 through the docking flange 8, so that the constant pressure cylinder 6 can be installed and disassembled on the outside of the gasification tank body 1. At the same time, the one-way valve 10 is used to transfer the gas in the gasification tank body 1 to the constant pressure cylinder 6, and the gas is temporarily sealed inside the constant pressure cylinder 6. The gas storage can continue even if the constant pressure cylinder 6 is subsequently removed.

[0045] Example 3: Figure 5-Figure 9As shown, on the basis of embodiment 1, an overpressure protection mechanism is disclosed that the middle part of the sealing plug 11 is provided with a overpressure protection mechanism to limit the maximum collected air pressure of the constant pressure cylinder 6, and the overpressure protection mechanism includes a pressure relief hole 14, a pressure relief port 15, a sealing plug 16, a second return spring 17, a fixing plate 18, a push rod 19 and a fixing seat 20. The pressure relief hole 14 is opened in the middle part of the sealing plug 11, the pressure relief port 15 is opened below the pressure relief hole 14, the sealing plug 16 is arranged above the pressure relief port 15 to close the pressure relief port 15, the second return spring 17 is arranged above the sealing plug 16 to provide a downward thrust for the sealing plug 16, the fixing plate 18 is fixed above the second return spring 17 to provide support for the second return spring 17, the fixing plate 18 is fixedly connected to the pressure relief hole 14, and the fixing plate The spaces on the upper and lower sides of 18 can be connected to each other. The push rod 19 is arranged below the pressure relief port 15. The fixed seat 20 is fixed below the push rod 19, and the fixed seat 20 and the constant pressure cylinder 6 are fixedly connected. A movable control mechanism is provided below the support plate 13. The elastic force of the first return spring 12 is adjusted by moving the support plate 13. The movable control mechanism includes a connecting frame 21, an adjusting rod 22 and a guide rod 23. The connecting frame 21 is fixed below the support plate 13. The adjusting rod 22 passes through the connecting frame 21 and the connecting frame 21 to form a threaded connection, and the upper end of the adjusting rod 22 is rotatably connected to the fixed seat 20. The guide rod 23 is fixed below the fixed seat 20, and the guide rod 23 passes through the connecting frame 21 and the connecting frame 21 to form an up and down sliding structure.

[0046] When the gas content in the constant-pressure cylinder 6 increases, the sealing plug 11 will be pushed to move. When the sealing plug 11 moves down to the maximum position, the push rod 19 will be connected to the sealing plug 16, pushing the sealing plug 16 upward to open the pressure relief port 15. The gas in the constant-pressure cylinder 6 can overflow outward through the pressure relief port 15, so that the air pressure in the constant-pressure cylinder 6 remains stable to avoid the risk of overpressure. The collection pressure of the constant-pressure cylinder 6 can also be adjusted according to usage needs. By rotating the adjusting rod 22, it can drive the connecting frame 21 and the support plate 13 to move, adjust the compression amount of the first return spring 12, and adjust its collection pressure.

[0047] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A constant pressure gasification system, comprising a gasification tank (1), characterized in that: A first discharge port (3) is installed above the gasification tank body (1), and a safety valve (5) is provided on the gasification tank body (1). The exhaust port of the safety valve (5) is sealed and connected to a pressure relief pipe (4) to discharge gas when the gasification tank body (1) is over-pressurized. It also includes a constant pressure cylinder (6), a connecting pipe (7) is fixed on the constant pressure cylinder (6), the constant pressure cylinder (6) is connected to the pressure relief pipe (4) through the connecting pipe (7), a second discharge port (9) is installed above the constant pressure cylinder (6), and a sealing plug (11) is slidably provided inside the constant pressure cylinder (6); A first return spring (12) is connected below the sealing plug (11), and a support plate (13) is connected to the lower end of the first return spring (12) to provide an upward push-return force for the sealing plug (11).

2. A constant pressure gasification system according to claim 1, characterized in that: The connecting pipe (7) and the pressure relief pipe (4) are detachably connected, and the connecting pipe (7) is connected to the pressure relief pipe (4) via a docking flange (8).

3. A constant pressure gasification system according to claim 1 or 2, characterized in that: A one-way guide valve (10) is provided inside the connecting pipe (7), and the one-way guide valve (10) is connected from the outside of the connecting pipe (7) to the inside of the constant pressure cylinder (6).

4. The constant pressure gasification system according to claim 1, characterized in that: An overpressure protection mechanism is provided in the middle of the sealing plug (11) to limit the maximum pressure of the constant pressure cylinder (6).

5. The constant pressure gasification system according to claim 4, characterized in that: The overpressure protection mechanism includes a pressure relief hole (14), a pressure relief port (15), a sealing plug (16), a second return spring (17), a fixing plate (18), a push rod (19) and a fixing seat (20); A pressure relief hole (14) is provided in the middle of the sealing plug (11); A pressure relief port (15) is provided inside the pressure relief hole (14), and the pressure relief hole releases pressure through the pressure relief port; A sealing plug (16) is provided above the pressure relief port (15) to seal the pressure relief port (15); A second return spring (17), disposed above the sealing plug (16) to provide a downward thrust for the sealing plug (16); A fixed plate (18) is fixed above the second return spring (17) to provide support for the second return spring (17), and the fixed plate (18) is fixedly connected to the pressure relief hole (14); A push rod (19) is arranged below the pressure relief port (15); The fixed seat (20) is fixed below the push rod (19), and the fixed seat (20) and the constant pressure cylinder (6) are fixedly connected.

6. The constant pressure gasification system according to claim 5, characterized in that: A movement control mechanism is provided below the support plate (13), and the elastic force of the first return spring (12) is adjusted by moving the support plate (13).

7. The constant pressure gasification system according to claim 6, characterized in that: The movement control mechanism comprises a connecting frame (21), an adjusting rod (22) and a guide rod (23); A connecting frame (21) is fixed below the support plate (13); An adjusting rod (22) passes through the connecting frame (21) and forms a threaded connection between the connecting frame (21), and an upper end of the adjusting rod (22) is rotatably connected to the fixing seat (20); The guide rod (23) is fixed below the fixing seat (20), and the guide rod (23) passes through the connecting frame (21) and forms an up-and-down sliding structure between the connecting frame (21).

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