Exhaust device for production of electronic-grade 1, 3-propane sultone

Abstract

The utility model discloses an exhaust device for producing electronic grade 1, 3-propane sultone, which comprises an object placing table, a processing box and an exhaust fan are fixed on the object placing table, an air inlet of the exhaust fan is communicated with an air suction pipe, an air outlet of the exhaust fan is communicated with an L-shaped exhaust pipe, one end of the L-shaped exhaust pipe, which is far away from the exhaust fan, extends into the object placing table, and the other end of the L-shaped exhaust pipe is communicated with the processing box. The end, extending into the storage table, of the L-shaped exhaust pipe faces downwards and is fixedly communicated with a plurality of U-shaped air outlet pipes, and the diameter of each U-shaped air outlet pipe is one fifteenth that of the L-shaped exhaust pipe. Due to the arrangement of the L-shaped exhaust pipe, the U-shaped air outlet pipe and the washing liquid, after gas is exhausted from the U-shaped air outlet pipe, the diameter of the U-shaped air outlet pipe is one fifteenth of the diameter of the L-shaped exhaust pipe, namely, the gas can form many small bubbles after being exhausted from the U-shaped air outlet pipe, so that the washing area of the gas and the washing liquid is increased; and the gas can be fully washed by the washing liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust devices, in particular to an exhaust device for the production of electronic grade 1,3-propane sultone. Background Art

[0002] Electronic grade 1,3-propane sultone is a high-purity organic substance with certain toxicity and flammability, and needs to be equipped with a corresponding production exhaust device. Publication No. CN 215138283 U discloses an electronic grade 1,3-propane sultone production exhaust device, which starts the exhaust fan to draw the gas inside the washing box into the inside of the filter box, and connects the inner wall of the filter box cover to the top wall of the filter box by snapping, and the filter box cover and the filter box are fixed by bolts, so as to play a sealing role, and a primary filter screen and a secondary filter screen are arranged inside the filter box to achieve a filtering effect. When the gas enters the inside of the filter box after being filtered by the primary filter screen and the secondary filter screen, an exhaust hole is arranged on the outer wall surface of the filter box to achieve an exhaust effect.

[0003] The above-mentioned prior art discharges the gas generated by the production of electronic grade 1,3-propane sultone into a washing box for washing, and then discharges the gas into a filter box for filtering. There are multiple problems in this process. First, when the gas is discharged into the washing box, larger bubbles will be formed when the gas is discharged into the washing liquid, that is, the contact area between the gas and the washing liquid is small, and the washing effect is poor. In addition, the filter screen in the filter box usually uses granular activated carbon to adsorb the gas, but the adsorption force of the activated carbon will decrease after a period of adsorption, so it needs to be replaced, and the above-mentioned prior art is not convenient for replacing the activated carbon. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In view of this, the purpose of the utility model is to propose an exhaust device for the production of electronic grade 1,3-propane sultone. The technical problem to be solved is that when the gas is discharged into the washing box, large bubbles will be formed when the gas is discharged into the washing liquid, that is, the contact area between the gas and the washing liquid is small, and the washing effect is poor. Moreover, the filter screen in the filter box usually uses granular activated carbon to adsorb the gas, but the adsorption force of the activated carbon will decrease after a period of adsorption, so it needs to be replaced, and the current exhaust device is not convenient for replacing the activated carbon.

[0006] (II) Technical solution

[0007] In order to achieve the above technical purpose, the utility model provides an exhaust device for the production of electronic grade 1,3-propane sultone:

[0008] It includes a storage table, on which a processing box and an exhaust fan are fixed, the air inlet of the exhaust fan is connected to an air suction pipe, the air outlet of the exhaust fan is connected to an L-shaped exhaust pipe, and one end of the L-shaped exhaust pipe away from the exhaust fan extends into the storage table, and the end of the L-shaped exhaust pipe extending into the storage table faces downward and is fixed and connected to a plurality of U-shaped air outlet pipes, the diameter of the U-shaped air outlet pipe is one fifteenth of the diameter of the L-shaped exhaust pipe, the storage table is filled with washing liquid, and the washing liquid submerges the U-shaped air outlet pipe, and a filter assembly is arranged on the top of the processing box.

[0009] Preferably, the filter assembly comprises a transverse grid plate and an oblique grid plate fixed to the top of the processing box, and there is a cavity between the transverse grid plate and the oblique grid plate, and a plurality of activated carbon particles are accommodated in the cavity.

[0010] Preferably, a feed pipe is fixed on the top of the processing box, and the bottom of the feed pipe is fixed to the transverse grid plate and communicated with the cavity. A plurality of slots are opened in the feed pipe, and the slots are located in the processing box.

[0011] Preferably, a discharge groove is provided on one side of the processing box, and the discharge groove is communicated with the cavity, and a blocking plate is blocked in the discharge groove.

[0012] Preferably, a positioning plate is fixed on the top of the blocking plate, a circular hole is opened in the positioning plate, a threaded groove is opened on one side of the processing box, a stud is slidably connected in the circular hole, and the stud and the threaded groove are threadedly connected, a cylindrical twist is fixed at one end of the stud, and the diameter of the cylindrical twist is larger than the diameter of the circular hole.

[0013] Preferably, a support plate is fixed to one side of the processing box, a recovery box is placed on the top of the support plate, and the recovery box is located below the discharge chute.

[0014] Preferably, a drain pipe is fixed to and connected to the bottom of the processing box, a liquid inlet pipe is fixed to and connected to the middle of the processing box, and sealing covers are threadedly connected to the drain pipe and the liquid inlet pipe.

[0015] It can be seen from the above technical solutions that the present application has the following beneficial effects:

[0016] 1: Due to the setting of L-shaped exhaust pipe, U-shaped outlet pipe and washing liquid, when the gas is discharged from the U-shaped outlet pipe, since the diameter of the U-shaped outlet pipe is one fifteenth of the diameter of the L-shaped exhaust pipe, that is, the gas will form many small bubbles after being discharged from the U-shaped outlet pipe, thereby increasing the washing area of ​​the gas and washing liquid, which is conducive to the washing liquid to fully wash the gas.

[0017] 2: When the activated carbon particles need to be replaced, rotate the cylindrical twist and stud to remove the stud from the threaded groove, and then remove the blocking plate from the discharge chute. Since the inclined grid plate is inclined, the activated carbon particles are discharged from the discharge chute to the recovery box, and then new activated carbon particles are poured into the cavity from the feed pipe to complete the replacement of the activated carbon particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0019] Figure 1 This is a front view structural schematic diagram of an exhaust device for production of electronic grade 1,3-propane sultone provided by the utility model;

[0020] Figure 2 A schematic diagram of the front cross-sectional structure of an exhaust device for production of electronic grade 1,3-propane sultone provided by the utility model;

[0021] Figure 3 A schematic diagram of the internal structure of the processing box provided by the utility model;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of the processing box provided by the utility model;

[0023] Figure 5 The utility model provides Figure 4 Schematic diagram of the structure at A in the middle.

[0024] Description of the drawings: 1. Storage table; 2. Processing box; 3. Exhaust fan; 4. Suction duct; 5. L-shaped exhaust duct; 6. U-shaped outlet duct; 7. Detergent; 8. Horizontal grid plate; 9. Oblique grid plate; 10. Cavity; 11. Activated carbon particles; 12. Feed pipe; 13. Slot hole; 14. Support plate; 15. Recovery box; 16. Discharge trough; 17. Blocking plate; 18. Positioning plate; 19. Round hole; 20. Stud; 21. Cylindrical twist; 22. Threaded groove; 23. Drain pipe; 24. Inlet pipe. DETAILED DESCRIPTION

[0025] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.

[0026] Reference Figure 1-5 :

[0027] The utility model provides an exhaust device for the production of electronic grade 1,3-propane sultone, comprising a storage table 1, on which a processing box 2 and an exhaust fan 3 are fixed, the air inlet of the exhaust fan 3 is connected to an air suction pipe 4, the air outlet of the exhaust fan 3 is connected to an L-shaped exhaust pipe 5, and the end of the L-shaped exhaust pipe 5 away from the exhaust fan 3 extends into the storage table 1, and the end of the L-shaped exhaust pipe 5 extending into the storage table 1 faces downward and is fixed to and connected with a plurality of U-shaped air outlet pipes 6, the diameter of the U-shaped air outlet pipe 6 is one fifteenth of the diameter of the L-shaped exhaust pipe 5, the storage table 1 is filled with washing liquid 7, and the washing liquid 7 submerges the U-shaped air outlet pipe 6, and a filter assembly is arranged on the top of the processing box 2.

[0028] It should be noted that the suction pipe 4 is connected to the exhaust pipe of the electronic-grade 1,3-propane sultone production equipment. The exhaust fan 3 is started to draw the gas generated during the production of electronic-grade 1,3-propane sultone into the L-shaped exhaust pipe 5 and transport it from the L-shaped exhaust pipe 5 to the storage table 1. After the gas is discharged from the L-shaped exhaust pipe 5, it will be discharged from the U-shaped outlet pipe 6 to the washing liquid 7. Since the diameter of the U-shaped outlet pipe 6 is one-fifteenth of the diameter of the L-shaped exhaust pipe 5, that is, the gas will form many small bubbles after being discharged from the U-shaped outlet pipe 6, thereby increasing the washing area of ​​the gas and the washing liquid 7, which is beneficial for the washing liquid 7 to fully wash the gas.

[0029] Among them, the filter assembly includes a horizontal grid plate 8 and an inclined grid plate 9 fixed on the top of the processing box 2, and there is a cavity 10 between the horizontal grid plate 8 and the inclined grid plate 9, and a plurality of activated carbon particles 11 are accommodated in the cavity 10, a feed pipe 12 is fixed on the top of the processing box 2, and the bottom of the feed pipe 12 is fixed to the horizontal grid plate 8 and connected to the cavity 10, a plurality of slots 13 are opened in the feed pipe 12, and the slots 13 are located in the processing box 2, a drain pipe 23 is fixed to the bottom of the processing box 2 and connected, a liquid inlet pipe 24 is fixed to the middle of the processing box 2 and connected, and sealing covers are threadedly connected to the drain pipe 23 and the liquid inlet pipe 24.

[0030] In addition, a discharge groove 16 is provided on one side of the processing box 2, and the discharge groove 16 is communicated with the cavity 10, a blocking plate 17 is blocked in the discharge groove 16, a positioning plate 18 is fixed on the top of the blocking plate 17, a circular hole 19 is provided in the positioning plate 18, a threaded groove 22 is provided on one side of the processing box 2, a stud 20 is slidably connected in the circular hole 19, and the stud 20 and the threaded groove 22 are threadedly connected, a cylindrical twist 21 is fixed at one end of the stud 20, and the diameter of the cylindrical twist 21 is larger than the diameter of the circular hole 19, a support plate 14 is fixed on one side of the processing box 2, a recovery box 15 is placed on the top of the support plate 14, and the recovery box 15 is located below the discharge groove 16.

[0031] During use, after the gas is washed in the washing liquid 7, it moves up and passes through the horizontal grid plate 8, the oblique grid plate 9, and the activated carbon particles 11, so that the activated carbon particles 11 adsorb and filter the gas, and the adsorbed and filtered gas is discharged to the outside from the delivery pipe 12. When the activated carbon particles 11 need to be replaced, the cylindrical twist 21 and the stud 20 are rotated to remove the stud 20 from the thread groove 22, and then the blocking plate 17 is removed from the discharge groove 16, so that the activated carbon particles 11 in the cavity 10 are discharged from the discharge groove 16 to the recovery box 15. When the activated carbon particles 11 are discharged, the discharge groove 16 is blocked by the blocking plate 17, and then new activated carbon particles 11 are poured into the cavity 10 from the delivery pipe 12, thereby completing the replacement of the activated carbon particles 11.

[0032] The exemplary implementation scheme of the present disclosure is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the protection scope of the present disclosure, which is determined by the attached claims.

Claims

1. An exhaust device for the production of electronic grade 1,3-propane sultone, comprising a storage table (1), characterized in that: A processing box (2) and an exhaust fan (3) are fixed on the storage table (1); an air inlet of the exhaust fan (3) is connected to an air suction pipe (4); an air outlet of the exhaust fan (3) is connected to an L-shaped exhaust pipe (5); and one end of the L-shaped exhaust pipe (5) away from the exhaust fan (3) extends into the storage table (1); and the end of the L-shaped exhaust pipe (5) extending into the storage table (1) faces downward and is fixed to and connected to a plurality of U-shaped air outlet pipes (6); the diameter of the U-shaped air outlet pipe (6) is one-fifteenth of the diameter of the L-shaped air outlet pipe (5); washing liquid (7) is contained in the storage table (1), and the washing liquid (7) submerges the U-shaped air outlet pipe (6); and a filter assembly is arranged on the top of the processing box (2).

2. The exhaust device for production of electronic grade 1,3-propane sultone according to claim 1, characterized in that: The filter assembly comprises a transverse grid plate (8) and an oblique grid plate (9) fixed to the top of the treatment box (2), a cavity (10) is present between the transverse grid plate (8) and the oblique grid plate (9), and a plurality of activated carbon particles (11) are contained in the cavity (10).

3. The exhaust device for production of electronic grade 1,3-propane sultone according to claim 2, characterized in that: A material delivery pipe (12) is fixed on the top of the processing box (2), and the bottom of the material delivery pipe (12) is fixed to the transverse grid plate (8) and communicated with the cavity (10). A plurality of slots (13) are provided in the material delivery pipe (12), and the slots (13) are located in the processing box (2).

4. The exhaust device for production of electronic grade 1,3-propane sultone according to claim 2, characterized in that: A discharge groove (16) is provided on one side of the processing box (2), and the discharge groove (16) is communicated with the cavity (10), and a blocking plate (17) is blocked in the discharge groove (16).

5. The exhaust device for production of electronic grade 1,3-propane sultone according to claim 4, characterized in that: A positioning plate (18) is fixed on the top of the blocking plate (17), a circular hole (19) is provided in the positioning plate (18), a threaded groove (22) is provided on one side of the processing box (2), a stud (20) is slidably connected in the circular hole (19), and the stud (20) and the threaded groove (22) are threadedly connected, a cylindrical twist (21) is fixed on one end of the stud (20), and the diameter of the cylindrical twist (21) is greater than the diameter of the circular hole (19).

6. The exhaust device for production of electronic grade 1,3-propane sultone according to claim 4, characterized in that: A support plate (14) is fixed to one side of the processing box (2), a recovery box (15) is placed on the top of the support plate (14), and the recovery box (15) is located below the discharge trough (16).

7. The exhaust device for production of electronic grade 1,3-propane sultone according to claim 1, characterized in that: A liquid discharge pipe (23) is fixed to and communicated with the bottom of the processing box (2), a liquid inlet pipe (24) is fixed to and communicated with the middle of the processing box (2), and sealing covers are threadedly connected to the liquid discharge pipe (23) and the liquid inlet pipe (24).

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