Ethylene oxide separation kettle

Abstract

The utility model discloses an ethylene oxide separation kettle which comprises an upper cylinder body, a tower spraying inlet is arranged on the upper cylinder body, filter screens are arranged on the upper side and the lower side of the tower spraying inlet in the upper cylinder body, and a pressure gauge port, an air outlet and an upper safety valve port are arranged on the tower spraying inlet; the barrel body is arranged below the upper barrel body and is communicated with the upper barrel body, a kettle top spraying inlet is formed in the top end in the barrel body, and an emptying opening and a safety valve opening are further formed in the barrel body. Through the reasonable arrangement of the barrel structure and the layout of each opening and part, the internal gas environment is improved, the accumulation of explosive gas is avoided, the explosion is extinguished by adopting a spraying mode, and the pressure in the kettle is strictly controlled not to exceed the designed pressure of the kettle by arranging the safety valve and the blowoff valve; the spreading of explosion flames is fundamentally solved, so that the explosion risk is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, and in particular to an ethylene oxide separation vessel. Background Technology

[0002] Currently, most sterilization industry treatments for ethylene oxide waste gas involve water absorption followed by periodic wastewater treatment. The drawback of this method is that, without a catalyst, the reaction of ethylene oxide with water to produce ethylene glycol takes a long time, during which ethylene oxide evaporates, polluting the environment. Furthermore, if the water tank is poorly ventilated, explosive gases can easily form between the liquid level and the top cover, posing a significant explosion risk. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing an ethylene oxide separation vessel.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An ethylene oxide separation vessel includes an upper cylinder with a tower spray inlet. Filter screens are installed on both the upper and lower sides of the tower spray inlet inside the upper cylinder. The tower spray inlet is equipped with a pressure gauge port, an outlet, and an upper safety valve port. The vessel also includes a lower cylinder located below and connected to the upper cylinder. A top spray inlet is located at the top of the lower cylinder. The upper cylinder also has an vent port and a safety valve port. The top spray inlet includes a liquid inlet pipe located outside the lower cylinder, connected to a liquid inlet coil. Several spray heads are evenly distributed on the liquid inlet coil, which is coiled into a ring structure. The vessel is connected to a lower cylinder located below the upper cylinder. The lower cylinder has an inner cavity containing a coil. The top of the coil is connected to a cooling water inlet, and the bottom of the coil is connected to a cooling water outlet.

[0006] Preferably, the cylinder is further provided with a first temperature measuring port, a pressure measuring port, an venting port, a safety valve port and a spare port. The cylinder is also provided with a material inlet, the lower end of which extends to the bottom of the cylinder and the upper end of which is located outside the cylinder. A first sight glass and a second sight glass are provided on the upper part of the outer wall of the cylinder. A lifting lug is also provided on the upper part of the outer wall of the cylinder. An ear seat is provided on the side of the outer wall of the cylinder. A first level gauge port is also provided on the lower part of the outer wall of the cylinder.

[0007] Preferably, the tower spray inlet includes an inlet pipe, which is located outside the upper cylinder. The inlet pipe is connected to an arc-shaped pipe, and several nozzles are distributed on the lower side of the arc-shaped pipe.

[0008] Preferably, a second temperature measuring port is provided in the inner cavity, a second liquid level gauge port and a discharge port are provided on the side wall of the lower cylinder, and a drain port and a water inlet are provided at the bottom of the lower cylinder.

[0009] Preferably, the outer wall of the lower cylinder is fitted with a jacket, the side wall of the jacket is provided with a hot water inlet, and the bottom of the jacket is provided with a hot water outlet.

[0010] Preferably, the interior of the jacket and the hot water outlet are sealed to each other.

[0011] This utility model has the following beneficial effects:

[0012] 1. The ethylene oxide separation vessel of this utility model, through its special structural design, such as setting multiple spray inlets and coils, changes the processing method and can process ethylene oxide more efficiently, avoiding the evaporation of ethylene oxide during long-term reaction and reducing environmental pollution.

[0013] 2. This utility model, through its reasonable cylindrical structure and the layout of various openings and components, helps to improve the internal gas environment, avoid the accumulation of explosive gases, and uses a spray method to extinguish the explosion and sets up safety valves and vent valves to strictly control the pressure inside the vessel to not exceed the design pressure of the vessel, thereby fundamentally solving the problem of the propagation of the explosion flame and effectively reducing the risk of explosion. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the cross-sectional structure of the separation vessel;

[0015] Figure 2 This is a top view of the separation vessel structure;

[0016] Figure 3 Schematic diagram of the tower spray inlet structure;

[0017] Figure 4 This is a schematic diagram of the spray inlet structure at the top of the vessel;

[0018] Figure 5 This is a schematic diagram of the overall structure of the separation vessel.

[0019] In the diagram: 1. Upper cylinder; 2. Filter screen; 3. Pressure gauge port; 4. Gas outlet; 5. Upper safety valve port; 6. Tower spray inlet; 601. Inlet pipe; 602. Arc-shaped pipe; 603. Spray head; 7. Cylinder; 8. First temperature measuring port; 9. Pressure measuring port; 10. Exhaust port; 11. Safety valve port; 12. Spare port; 13. Top spray inlet; 1301. Liquid inlet pipe; 1302. Liquid inlet coil; 1303. Spray head ; 14. Material inlet; 15. Lifting lug; 16. First sight glass; 17. Second sight glass; 18. Lug seat; 19. First level gauge port; 20. Lower cylinder; 21. Inner cavity; 22. Coil; 23. Cooling water inlet; 24. Cooling water outlet; 25. Second temperature measuring port; 26. Second level gauge port; 27. Discharge port; 28. Drain port; 29. ​​Jacket; 30. Hot water inlet; 31. Hot water outlet; 32. Water extraction port. Detailed Implementation

[0020] 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.

[0021] Reference Figure 1-5 An ethylene oxide separation vessel includes an upper cylinder 1 with a tower spray inlet 6. Filter screens 2 are installed inside the upper cylinder 1 on both the upper and lower sides of the tower spray inlet 6. The tower spray inlet 6 is equipped with a pressure gauge port 3, an outlet 4, and an upper safety valve port 5. The vessel also includes a cylinder 7 located below and communicating with the upper cylinder 1. A vessel top spray inlet 13 is installed at the top of the cylinder 7. The cylinder 7 also has an vent port 10 and a safety valve port 11. The vessel top spray... The inlet 13 includes an inlet pipe 1301 located outside the cylinder 7. The inlet pipe 1301 is connected to an inlet coil 1302. Several spray nozzles 1303 are evenly distributed on the inlet coil 1302. The inlet coil 1302 is coiled into a ring structure. It is connected to the lower cylinder 20 located below the cylinder 7. The lower cylinder 20 has an inner cavity 21. A coil 22 is installed inside the inner cavity 21. The top end of the coil 22 is connected to a cooling water inlet 23, and the bottom end of the coil 22 is connected to a cooling water outlet 24.

[0022] In this embodiment, by setting pressure gauge port 3, air outlet 4 and upper safety valve port 5, the pressure gauge can be connected to pressure gauge port 3, and when the pressure reaches the threshold, the internal pressure is released through air outlet 4 and vent 10 to avoid explosion. The set top spray inlet 13 can spray the cylinder to solve the explosion problem.

[0023] In this utility model, the cylinder 7 is also provided with a first temperature measuring port 8, a pressure measuring port 9, an venting port 10, a safety valve port 11, and a spare port 12. The cylinder 7 is also provided with a material inlet 14, the lower end of which extends to the bottom of the cylinder 7, and the upper end of which is located outside the cylinder 7. A first sight glass 16 and a second sight glass 17 are provided on the upper part of the outer wall of the cylinder 7. A lifting lug 15 is also provided on the upper part of the outer wall of the cylinder 7. An ear seat 18 is provided on the side of the outer wall of the cylinder 7. A first liquid level gauge port 19 is also provided on the lower part of the outer wall of the cylinder 7.

[0024] In this embodiment, the first temperature measuring port 8, pressure measuring port 9, vent port 10, safety valve port 11, and spare port 12 are conventional designs. The material enters the separation vessel through the material inlet 14. The inside of the vessel is observed through the first sight glass 16 and the second sight glass 17. The equipment is transferred or fixed through the lifting lugs 15 and the lug base 18.

[0025] In this utility model, the tower spray inlet 6 includes an inlet pipe 601, which is placed outside the upper cylinder 1. The inlet pipe 601 is connected to an arc-shaped pipe 602, and several nozzles 603 are distributed on the lower side of the arc-shaped pipe 602.

[0026] In this embodiment, the external equipment is connected through the inlet pipe 601, the solution distribution is guided through the arc-shaped pipe 602, and the solution is dispersed into the equipment through the nozzle 603.

[0027] In this utility model, a second temperature measuring port 25 is provided in the inner cavity 21, a second liquid level gauge port 26 and a discharge port 27 are provided on the side wall of the lower cylinder 20, and a drain port 28 and a water inlet 32 ​​are provided at the bottom of the lower cylinder 20.

[0028] In this embodiment, the second temperature measuring port 25 can measure the temperature, the second liquid level gauge port 26 can measure the liquid level, the separated ethylene oxide is discharged through the discharge port 27, and the water extraction port 32 can extract the water generated during the separation process.

[0029] In this utility model, a jacket 29 is fitted onto the outer wall of the lower cylinder 20, a hot water inlet 30 is provided on the side wall of the jacket 29, and a hot water outlet 31 is provided at the bottom of the jacket 29.

[0030] In this embodiment, the jacket 29 has a heat insulation function, and the hot water inlet 30 and hot water outlet 31 can deliver hot water into the jacket 29, thereby making the reaction more complete.

[0031] In this invention, the interior of the jacket 29 and the hot water outlet 31 are sealed to each other.

[0032] In this embodiment, the sealed structure between the inside of the jacket 29 and the hot water outlet 31 prevents ethylene oxide from entering the inside of the jacket 29 during the reaction process.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An ethylene oxide separation kettle characterized by, It includes an upper cylinder (1), the upper cylinder (1) is provided with tower spray inlet (6), the inside of the upper cylinder (1) is provided with filter screen (2) on both sides of tower spray inlet (6), the tower spray inlet (6) is provided with pressure gauge port (3), air outlet (4) and upper safety valve port (5); It also includes cylinder (7) which is arranged below the upper cylinder (1) and communicates with the upper cylinder (1), the top of the inside of the cylinder (7) is provided with kettle top spray inlet (13), the cylinder (7) is also provided with emptying port (10) and safety valve port (11); The kettle top spray inlet (13) includes liquid inlet pipe (1301) arranged outside the cylinder (7), the liquid inlet pipe (1301) is connected with liquid inlet coil pipe (1302), the liquid inlet coil pipe (1302) is uniformly distributed with a plurality of spray heads (1303), and the liquid inlet coil pipe (1302) is curled into an annular structure. A lower cylinder (20) is arranged below the cylinder (7) in communication, an inner cavity (21) is formed in the inside of the lower cylinder (20), a coil pipe (22) is arranged in the inside of the inner cavity (21), the top of the coil pipe (22) is connected with cooling water inlet (23), and the bottom of the coil pipe (22) is connected with cooling water outlet (24).

2. An ethylene oxide separation kettle according to claim 1, wherein The cylinder (7) is also provided with first temperature measuring port (8), pressure measuring port (9), emptying port (10), safety valve port (11) and standby port (12), the cylinder (7) is also provided with material inlet (14), the lower end of the material inlet (14) extends to the bottom of the cylinder (7), the upper end of the material inlet (14) is arranged outside the cylinder (7), the outer wall of the cylinder (7) is provided with first sight glass (16) and second sight glass (17) above, the outer wall of the cylinder (7) is also provided with lifting lug (15) above, the outer wall of the cylinder (7) is provided with lug seat (18) on the side, and the outer wall of the cylinder (7) is also provided with first liquid level meter port (19) below.

3. An ethylene oxide separation kettle according to claim 1 wherein, The tower spray inlet (6) includes inlet pipe (601), the inlet pipe (601) is arranged outside the upper cylinder (1), the inlet pipe (601) is connected with arc-shaped pipe (602), and a plurality of spray heads (603) are distributed on the lower side of the arc-shaped pipe (602).

4. An ethylene oxide separation still according to claim 1 wherein, The inner cavity (21) is provided with second temperature measuring port (25), the side wall of the lower cylinder (20) is provided with second liquid level meter port (26) and discharge port (27), and the bottom of the lower cylinder (20) is provided with purging port (28) and water pumping port (32).

5. An ethylene oxide separation still according to claim 1 wherein, The outer wall of the lower cylinder (20) is sleeved with jacket (29), the side wall of the jacket (29) is provided with hot water inlet (30), and the bottom of the jacket (29) is provided with hot water outlet (31).

6. An ethylene oxide separation still according to claim 5 wherein, The inside of the jacket (29) is sealed from the hot water outlet (31).

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