Water condenser hot gas recovery device for gas-liquid separation tower

Abstract

The utility model discloses a water condenser hot gas recovery device for a gas-liquid separation tower, which relates to the technical field of chemical equipment and comprises the gas-liquid separation tower, a gas outlet pipe and a liquid inlet pipe are respectively arranged at the top and the bottom of the gas-liquid separation tower, and a liquid outlet pipe and a gas inlet pipe are respectively arranged at the upper part and the lower part of the side wall of the gas-liquid separation tower. An additive outlet pipe and an additive inlet pipe which are arranged up and down are arranged on the side wall of the gas-liquid separation tower, a box cover is fixed at the upper end of the water condensation box, a leading-in pipe is connected to the upper end of the box cover, one end, far away from the box cover, of the leading-in pipe is connected with a liquid outlet pipe, and the other end of the leading-in pipe is connected with a cooling water circulation machine. And the lower end of the water condensation tank is connected with an eduction tube. According to the utility model, the cooling efficiency of cooling water on liquid in the water condensation tank can be improved, and an additive entering the gas-liquid separation tower can be heated by utilizing the heat of water in the cooling water outlet pipe, so that energy can be saved.

Description

Technical Field

[0001] This utility model relates to the field of chemical equipment technology, and in particular to a heat recovery device for a water condenser in a gas-liquid separation tower. Background Technology

[0002] In various industrial sectors such as chemical, petrochemical, and pharmaceutical industries, gas-liquid separators are crucial process equipment used to effectively separate gases and liquids (mainly including the tank body, inlet pipe, outlet pipe, gas inlet pipe, gas outlet pipe, additive inlet pipe, and additive outlet pipe). During gas-liquid separation, a significant amount of heat is often generated. To ensure effective separation and stable operation of subsequent processes, the separated liquid needs to be cooled. Traditional cooling methods typically employ direct cooling, where cooling water is introduced into the cooling equipment to exchange heat with the liquid being cooled. However, this method often neglects the recovery and reuse of heat during the cooling process, leading to substantial energy waste.

[0003] Furthermore, cooling water absorbs heat, causing its temperature to rise. Direct discharge of this water not only wastes thermal energy resources, but also, for certain gas-liquid separation processes, the use of additives is essential. These additives typically require preheating before being added to the gas-liquid separation tower to achieve optimal process conditions. Traditional preheating methods often employ external heat sources, which also consume a significant amount of energy.

[0004] In view of the above problems, a heat recovery device using a water condenser in a gas-liquid separation tower is proposed. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a heat recovery device for a gas-liquid separation tower using a water condenser.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A heat recovery device for a gas-liquid separation tower using a water condenser includes a gas-liquid separation tower. The top and bottom of the gas-liquid separation tower are respectively provided with an outlet pipe and a liquid inlet pipe. The upper and lower parts of the sidewall of the gas-liquid separation tower are respectively provided with a liquid outlet pipe and an outlet pipe. An additive outlet pipe and an additive inlet pipe are arranged vertically on the sidewall of the gas-liquid separation tower. The device also includes a water condensation tank and a cooling water circulator. A tank cover is fixed to the upper end of the water condensation tank, and an inlet pipe is connected to the upper end of the tank cover. The end of the inlet pipe furthest from the tank cover is connected to the liquid outlet pipe. The lower end of the water-cooled condenser is connected to an outlet pipe. The interior of the water-cooled condenser is equipped with a serpentine tube. The upper end of the serpentine tube passes through the condenser cover and is rotatably connected to the condenser cover. The lower end of the serpentine tube passes through the lower end of the water-cooled condenser and is rotatably connected to the water-cooled condenser. The lower end of the serpentine tube is connected to a cooling water inlet pipe through a second rotary joint. The end of the cooling water inlet pipe away from the second rotary joint is connected to the output end of the cooling water circulator. The additive inlet pipe is equipped with a heat exchange mechanism and is connected to the upper end of the serpentine tube and the input end of the cooling water circulator.

[0008] As a further improvement of this utility model, the heat exchange mechanism includes a spiral heat exchange tube fitted on the additive inlet pipe. The two ends of the spiral heat exchange tube are respectively connected to a cooling water outlet pipe and a connecting pipe. The end of the cooling water outlet pipe away from the spiral heat exchange tube is connected to the upper end of the serpentine tube through a first rotary joint. The end of the connecting pipe away from the spiral heat exchange tube is connected to the input end of the cooling water circulator.

[0009] As a further improvement of this utility model, a motor is installed at the upper end of the box cover, a first gear is fixed to the output shaft of the motor, and a second gear is fixedly sleeved on the side wall of the serpentine tube, with the second gear meshing with the first gear.

[0010] As a further improvement of this utility model, the diameter of the first gear is smaller than the diameter of the second gear.

[0011] As a further improvement of this utility model, an installation cover is fixedly fitted on the outside of the additive inlet pipe, and the cooling water outlet pipe and connecting pipe both penetrate the installation cover.

[0012] As a further improvement of this utility model, four mounting bolts are provided through the upper end of the box cover, and the mounting bolts are screwed to the upper end of the water condensation box.

[0013] The beneficial effects of this utility model are:

[0014] By setting up a heat exchange mechanism, when cooling water enters the serpentine tube inside the water condensation tank, it can cool the liquid discharged from the gas-liquid separation tower. Then, the cooling water inside the serpentine tube can be heated, and then the heated cooling water is introduced into the spiral heat exchange tube, which can then heat the additive inlet tube and the additive entering the gas-liquid separation tower, thus saving energy.

[0015] By driving the serpentine tube to rotate, the serpentine tube can stir the liquid inside the water-cooled condenser, allowing the serpentine tube to fully contact the liquid inside the water-cooled condenser, thereby improving the cooling efficiency of the cooling water on the liquid inside the water-cooled condenser.

[0016] This invention can improve the cooling efficiency of cooling water on the liquid inside the water condenser, and can use the heat of the water in the cooling water outlet pipe to heat the additives entering the gas-liquid separator, thus saving energy. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a heat recovery device for a water condenser in a gas-liquid separation tower proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the additive inlet pipe, spiral heat exchange pipe, cooling water outlet pipe, and connecting pipe of a gas-liquid separation tower water condenser heat recovery device proposed in this utility model.

[0019] Figure 3 This utility model presents a structural schematic diagram of the cover, mounting bolts, serpentine tube, motor, first gear, and second gear of a gas-liquid separation tower water condenser heat recovery device.

[0020] In the diagram: 1. Gas-liquid separation tower, 2. Gas outlet pipe, 3. Liquid outlet pipe, 4. Inlet pipe, 5. Cooling water outlet pipe, 6. First rotary joint, 7. Cover, 8. Water condensation tank, 9. Second rotary joint, 10. Outlet pipe, 11. Cooling water inlet pipe, 12. Liquid inlet pipe, 13. Cooling water circulator, 14. Connecting pipe, 15. Gas inlet pipe, 16. Additive inlet pipe, 17. Mounting cover, 18. Additive outlet pipe, 19. Spiral heat exchanger tube, 20. Serpentine tube, 21. Mounting bolt, 22. Motor, 23. First gear, 24. Second gear. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-3A heat recovery device for a gas-liquid separation tower using a water condenser includes a gas-liquid separation tower 1. The top and bottom of the gas-liquid separation tower 1 are respectively provided with an outlet pipe 2 and an inlet pipe 12. The upper part and lower part of the side wall of the gas-liquid separation tower 1 are respectively provided with an outlet pipe 3 and an inlet pipe 15. An additive outlet pipe 18 and an additive inlet pipe 16 are arranged vertically on the side wall of the gas-liquid separation tower 1. The device also includes a water condensation tank 8 and a cooling water circulator 13. A tank cover 7 is fixed to the upper end of the water condensation tank 8. Four mounting bolts 21 penetrate the upper end of the tank cover 7 and are screwed onto the upper end of the water condensation tank 8. An inlet pipe 4 is connected to the upper end of the tank cover 7. The end of the inlet pipe 4 away from the tank cover 7 is connected to the outlet pipe 3. The lower end of the 8 is connected to the outlet pipe 10. The interior of the water condensation tank 8 is provided with a serpentine tube 20. The upper end of the serpentine tube 20 passes through the tank cover 7 and is rotatably connected to the tank cover 7. The connection between the serpentine tube 20 and the tank cover 7 is installed by a sealed bearing. The lower end of the serpentine tube 20 passes through the lower end of the water condensation tank 8 and is rotatably connected to the water condensation tank 8. The connection between the serpentine tube 20 and the water condensation tank 8 is installed by a sealed bearing. The lower end of the serpentine tube 20 is connected to a cooling water inlet pipe 11 through a second rotary joint 9. The end of the cooling water inlet pipe 11 away from the second rotary joint 9 is connected to the output end of the cooling water circulator 13. The additive inlet pipe 16 is provided with a heat exchange mechanism and is connected to the upper end of the serpentine tube 20 and the input end of the cooling water circulator 13.

[0023] In this invention, the heat exchange mechanism includes a spiral heat exchange tube 19 fitted onto the additive inlet pipe 16. Through the spiral heat exchange tube 19, heat can be transferred to the additive inlet pipe 16, thereby heating the additive. The two ends of the spiral heat exchange tube 19 are respectively connected to a cooling water outlet pipe 5 and a connecting pipe 14. The end of the cooling water outlet pipe 5 away from the spiral heat exchange tube 19 is connected to the upper end of the serpentine tube 20 through a first rotary joint 6. The end of the connecting pipe 14 away from the spiral heat exchange tube 19 is connected to the input end of the cooling water circulator 13. An installation cover 17 is fixedly fitted on the outside of the additive inlet pipe 16. The cooling water outlet pipe 5 and the connecting pipe 14 both pass through the installation cover 17. The installation cover 17 can play a role in heat insulation and prevent the loss of heat from the spiral heat exchange tube 19.

[0024] A motor 22 is installed on the upper end of the cover 7. A first gear 23 is fixed on the output shaft of the motor 22. A second gear 24 is fixedly sleeved on the side wall of the serpentine tube 20. The second gear 24 meshes with the first gear 23. The diameter of the first gear 23 is smaller than the diameter of the second gear 24.

[0025] In use, the liquid discharged from the gas-liquid separator 1 through the outlet pipe 3 enters the water condensation tank 8 through the inlet pipe 4. Cooling water is then introduced into the serpentine tube 20 through the cooling water inlet pipe 11 by the cooling water circulator 13. The heat exchange in the serpentine tube 20 cools the liquid inside the water condensation tank 8. Simultaneously, the motor 22 is started, driving the first gear 23 to rotate. Since the first gear 23 meshes with the second gear 24, it drives the serpentine tube 20 to rotate, thus agitating the liquid inside the water condensation tank 8. The serpentine tube 20 can fully contact the liquid inside the water condenser 8, thereby improving the cooling efficiency of the cooling water to the liquid inside the water condenser 8. When the cooling water enters the serpentine tube 20 inside the water condenser 8, it can cool the liquid discharged from the gas-liquid separation tower 1. Then the cooling water inside the serpentine tube 20 can be heated, and then the heated cooling water is introduced into the spiral heat exchange tube 19, which can heat the additive inlet pipe 16, and then heat the additive entering the gas-liquid separation tower 1. Then the cooling water is circulated to the cooling water circulator 13 through the connecting pipe 14.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A water condenser heat recovery device for a gas-liquid separation tower, comprising a gas-liquid separation tower (1), a gas outlet pipe (2) and a liquid inlet pipe (12) being arranged at the top and bottom of the gas-liquid separation tower (1) respectively, a liquid outlet pipe (3) and a gas inlet pipe (15) being arranged at the upper and lower side walls of the gas-liquid separation tower (1) respectively, an additive outlet pipe (18) and an additive inlet pipe (16) being arranged on the side wall of the gas-liquid separation tower (1) in an up-down manner, characterized in that, The water condensing tank (8) is provided with a tank cover (7) fixed to the upper end of the water condensing tank (8), a guide-in pipe (4) connected to the upper end of the tank cover (7), an outlet pipe (3) connected to the end of the guide-in pipe (4) away from the tank cover (7), a guide-out pipe (10) connected to the lower end of the water condensing tank (8), a serpentine pipe (20) arranged in the water condensing tank (8), the upper end of the serpentine pipe (20) penetrating through and rotatably connected to the tank cover (7), the lower end of the serpentine pipe (20) penetrating through and rotatably connected to the lower end of the water condensing tank (8), the lower end of the serpentine pipe (20) connected to a cooling water inlet pipe (11) through a second rotary joint (9), the end of the cooling water inlet pipe (11) away from the second rotary joint (9) connected to the output end of the cooling water circulating machine (13), and the additive inlet pipe (16) provided with a heat exchange mechanism connected to the upper end of the serpentine pipe (20) and the input end of the cooling water circulating machine (13).

2. A device for recovering heat from the gases of a water condenser of a gas-liquid separation column according to claim 1, characterized in that, The heat exchange mechanism comprises a spiral heat exchange pipe (19) sleeved on the additive inlet pipe (16), the two ends of the spiral heat exchange pipe (19) connected to a cooling water outlet pipe (5) and a connecting pipe (14), respectively, the end of the cooling water outlet pipe (5) away from the spiral heat exchange pipe (19) connected to the upper end of the serpentine pipe (20) through a first rotary joint (6), and the end of the connecting pipe (14) away from the spiral heat exchange pipe (19) connected to the input end of the cooling water circulating machine (13).

3. A device for recovering heat from the gases of a water condenser of a gas-liquid separation column according to claim 1, characterized in that, The upper end of the tank cover (7) is provided with a motor (22), the output shaft of the motor (22) fixed with a first gear (23), and the sidewall of the serpentine pipe (20) fixed with a second gear (24) sleeved thereon, the second gear (24) engaged with the first gear (23).

4. A device for recovering heat from the gases of a water condenser of a gas-liquid separation column according to claim 3, characterized in that, The diameter of the first gear (23) is smaller than the diameter of the second gear (24).

5. A device for recovering heat from the gases of a water condenser of a gas-liquid separation column according to claim 2, characterized in that, The additive inlet pipe (16) is fixed with a mounting cover (17) sleeved thereon, and the cooling water outlet pipe (5) and the connecting pipe (14) penetrate through the mounting cover (17).

6. A device for recovering heat from the gases of a water condenser of a gas-liquid separation column according to claim 1, characterized in that, The upper end of the tank cover (7) is provided with four mounting bolts (21) screwed to the upper end of the water condensing tank (8).

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