Light component deslagging system for phthalic anhydride production

Abstract

The utility model provides a light component deslagging system for phthalic anhydride production, which relates to the technical field of phthalic anhydride production and comprises a main plate, a distiller is fixed at the top end of the main plate, a top cover is arranged at the top end of the distiller, an air outlet pipe is fixed at the top end of the top cover, and a communicating pipe is mounted at the top end of the air outlet pipe. A treatment box is installed at the end, away from the air outlet pipe, of the communicating pipe. Through the arrangement of the treatment box, when harmful gas and distillation gas are generated in the distiller, the harmful gas and the distillation gas are guided by the gas outlet pipe and the communicating pipe to enter the treatment box and are adsorbed and filtered by the three layers of activated carbon plates in the treatment box, so that the harmful gas is purified, and the distillation gas is guided by the circulating pipe to enter the condenser; and a frame of the device is fixed to the treatment box through a fifth mounting plate and a third bolt, so that the frame and the activated carbon plate can be integrally taken out at any time to be cleaned and replaced, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of phthalic anhydride production, in particular to a light component slag discharge system for phthalic anhydride production. Background Art

[0002] Phthalic anhydride is an important basic organic chemical product. During its production, it needs to be processed into light and heavy groups. When the light group is discharged, a phthalic anhydride production light component discharge system is needed to treat the light group discharge.

[0003] A slag discharge system for light components of phthalic anhydride production in the prior art currently generates some waste gas during the phthalic anhydride production process. There is no device for treating the waste gas, which may cause physical harm to external workers and pollute the environment, and has poor practicality. In addition, most of the components of the slag discharge system for light components of phthalic anhydride production in the prior art are integrated. When a single component is damaged, it needs to be replaced as a whole, which is costly and has poor practicality. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that in the process of phthalic anhydride production, some waste gas is generated, and there is no device for treating the waste gas, which may cause physical harm to external workers and pollute the environment; and most of the components are integrated. When a single component is damaged, it needs to be replaced as a whole, which is costly. A phthalic anhydride production light component slag discharge system is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a slag discharge system for light components in the production of phthalic anhydride, comprising a main board, a distiller is fixed on the top of the main board, a top cover is provided on the top of the distiller, an air outlet pipe is fixed on the top of the top cover, a connecting pipe is installed on the top of the air outlet pipe, a treatment box is installed on the end of the connecting pipe away from the air outlet pipe, a treatment structure for treating harmful gases is provided in the treatment box, a flow pipe is installed on the bottom end of the treatment box, a condenser is fixed on the bottom end of the flow pipe, a water outlet pipe is fixed on the bottom end of the condenser, a heating chamber is provided in the distiller, an electric heating wire is installed in the heating chamber, a temperature sensor is installed on the inner wall of the distiller, a control display screen is installed on the top of the main board, a discharge pipe is fixed on the bottom end of the distiller, a control valve is installed on the outer wall of the discharge pipe, legs are fixed on the four corners of the bottom end of the main board, and the bottom ends of the four legs are provided with a driving structure for pushing the main board 1 to move as a whole.

[0006] Preferably, the processing structure comprises a frame slidably connected to the processing box, and an activated carbon plate is fixed on the inner wall of the frame.

[0007] Preferably, the driving structure includes an inner cavity opened at the bottom end of the leg, a telescopic rod is installed on the inner top wall of the inner cavity, a bottom plate is fixed to the output end of the telescopic rod, and a universal wheel is installed at the bottom end of the bottom plate.

[0008] Preferably, a sealing plate is fixed on the outer wall of the frame outside the treatment box, a handle is fixed on one end of the frame outside the treatment box, the number of the frames and activated carbon plates is three, and the filter holes of the three activated carbon plates become smaller from top to bottom.

[0009] Preferably, a fifth mounting plate is fixed to the bottom end of the sealing plate, and the fifth mounting plate is fixed to the processing box by a third bolt.

[0010] Preferably, a first mounting plate is fixed to the top outer wall of the distiller, and a second mounting plate is fixed to the bottom outer wall of the top cover. The first mounting plate and the second mounting plate are fixed to each other by first bolts, and both ends of the outer wall of the second mounting plate are fixed with hanging rings.

[0011] Preferably, a third mounting plate is provided at the top outer wall height of the air outlet pipe, a fourth mounting plate is fixed to the bottom outer wall of the connecting pipe, and the fourth mounting plate is fixed to the third mounting plate by a second bolt.

[0012] Preferably, a sixth mounting plate is fixed to the outer wall of one end of the connecting pipe and the circulation pipe facing the processing box, and the two sixth mounting plates are fixed to the two ends of the processing box by fourth bolts, and a friction plate is fixed to the outer wall of the bottom end of the support leg.

[0013] Preferably, a rack is fixed to the top of the mainboard, and the processing box and the condenser are both placed on the top of the rack.

[0014] Preferably, a feed pipe is fixed to the top end of the top cover, a sealing sleeve is threadedly connected to the top end of the feed pipe, and a docking plate is fixed to the outer wall of the bottom end of the discharge pipe.

[0015] Compared with the prior art, the advantages and positive effects of the utility model are:

[0016] In the utility model, through the arrangement of the treatment box, when harmful gases and distilled gases are generated in the distiller, they are guided by the air outlet pipe and the connecting pipe to enter the treatment box, and are purified by the adsorption and filtration of the three-layer activated carbon plate in the treatment box, while the distilled gas is guided by the circulation pipe to enter the condenser to be condensed and liquefied and discharged. The frame of the device is fixed to the treatment box by the fifth mounting plate and the third bolt, so that the frame and the activated carbon plate as a whole can be taken out at any time for cleaning and replacement, which is more practical. In addition, the device is provided with the first mounting plate, the second mounting plate, the third mounting plate, the fourth mounting plate, the fifth mounting plate and the sixth mounting plate, so that each component of the device can be disassembled separately. When it is damaged, the individual component can be repaired and replaced, which is more practical. Through the synchronous operation of the four telescopic rods, the four universal wheels can be driven to move out of the legs. At this time, the device is supported by the universal wheels and can be pushed to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A stereoscopic diagram of a light component slag discharge system for phthalic anhydride production is proposed for the utility model;

[0018] Figure 2 A cross-sectional view of a light component slag discharge system for phthalic anhydride production is provided for the utility model;

[0019] Figure 3 The utility model provides a processing structure schematic diagram of a light component slag discharge system for phthalic anhydride production;

[0020] Figure 4 A mobile structural cross-sectional view of a light component slag discharge system for phthalic anhydride production is proposed for the utility model;

[0021] Figure 5 The utility model provides a schematic diagram of the internal structure of a distiller of a light component slag removal system for phthalic anhydride production.

[0022] Legend: 1. Main board; 2. Top cover; 3. First mounting plate; 4. Second mounting plate; 5. First bolt; 6. Lifting ring; 7. Exhaust pipe; 8. Connecting pipe; 9. Third mounting plate; 10. Fourth mounting plate; 11. Second bolt; 12. Processing box; 13. Processing structure; 1301. Frame; 1302. Activated carbon plate; 14. Fifth mounting plate; 15. Third bolt; 16. Handle; 17. Sealing plate; 18. Circulation pipe; 19. Condenser; 2 0. Sixth mounting plate; 21. Fourth bolt; 22. Water outlet pipe; 23. Frame; 24. Heating chamber; 25. Heating wire; 26. Temperature sensor; 27. Control display screen; 28. Support leg; 29. ​​Wipe plate; 30. Driving structure; 3001. Inner chamber; 3002. Telescopic rod; 3003. Bottom plate; 3004. Universal wheel; 31. Feed pipe; 32. Sealing sleeve; 33. Discharge pipe; 34. Control valve; 35. Docking plate; 36. Distiller. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-5 As shown, the utility model provides a light component slag discharge system for phthalic anhydride production, comprising a main board 1, a distiller 36 is fixed on the top of the main board 1, a top cover 2 is provided on the top of the distiller 36, an air outlet pipe 7 is fixed on the top of the top cover 2, a connecting pipe 8 is installed on the top of the air outlet pipe 7, a processing box 12 is installed at one end of the connecting pipe 8 away from the air outlet pipe 7, a processing structure 13 for processing harmful gases is provided in the processing box 12, a flow pipe 18 is installed at the bottom of the processing box 12, and a condenser 1 is fixed at the bottom of the flow pipe 18 9. A water outlet pipe 22 is fixed to the bottom end of the condenser 19, a heating chamber 24 is opened in the distiller 36, a heating wire 25 is installed in the heating chamber 24, a temperature sensor 26 is installed on the inner wall of the distiller 36, a control display screen 27 is installed on the top of the main board 1, a discharge pipe 33 is fixed to the bottom end of the distiller 36, a control valve 34 is installed on the outer wall of the discharge pipe 33, and legs 28 are fixed to the four corners of the bottom end of the main board 1, and the bottom ends of the four legs 28 are provided with a driving structure 30 for pushing the main board 1 to move as a whole.

[0026] The effect achieved by the entire embodiment 1 is that the phthalic anhydride in the distiller 36 is heated by the heating wire 25 to separate the light components and heavy components in the raw material. In the distiller 36, by controlling the temperature and pressure, the lighter components (such as benzene and phenol) are evaporated, and the harmful gases and distilled gas are guided by the outlet pipe 7 and the connecting pipe 8 to enter the processing box 12. Through the operation of the processing structure 13 in the processing box 12, the harmful gases are purified, and the distilled gas is guided by the circulation pipe 18 to enter the condenser 19 to be condensed and liquefied and discharged. By setting the control valve 34, the heavy group impurities in the distiller 36 can be discharged to facilitate subsequent processing. By setting the temperature sensor 26, the temperature in the distiller 36 can be monitored. The heating temperature of the heating wire 25 can be controlled by controlling the display screen 27. By setting the driving structure 30, when the position of the device needs to be adjusted, the device can be moved by the driving structure 30.

[0027] Embodiment 2, as Figure 1-5 As shown, the processing structure 13 includes a frame 1301 slidably connected to the processing box 12, an activated carbon plate 1302 is fixed on the inner wall of the frame 1301, the driving structure 30 includes an inner cavity 3001 opened at the bottom end of the leg 28, a telescopic rod 3002 is installed on the inner top wall of the inner cavity 3001, a bottom plate 3003 is fixed to the output end of the telescopic rod 3002, a universal wheel 3004 is installed at the bottom end of the bottom plate 3003, a sealing plate 17 is fixed to the outer wall of the frame 1301 located outside the processing box 12, a handle 16 is fixed to one end of the frame 1301 located outside the processing box 12, the number of frames 1301 and activated carbon plates 1302 are three, and the filter holes of the three activated carbon plates 1302 become smaller from top to bottom, a fifth mounting plate 14 is fixed to the bottom end of the sealing plate 17, and the fifth mounting plate 14 is fixed to the processing box 12 by a third bolt 15, and the top outer wall of the distiller 36 is fixed to the first mounting plate 3 A second mounting plate 4 is fixed to the outer wall of the bottom end of the top cover 2, the first mounting plate 3 and the second mounting plate 4 are fixed by a first bolt 5, and both ends of the outer wall of the second mounting plate 4 are fixed with a lifting ring 6, a third mounting plate 9 is provided at the top outer wall height of the outlet pipe 7, a fourth mounting plate 10 is fixed to the outer wall of the bottom end of the connecting pipe 8, and the fourth mounting plate 10 is fixed to the third mounting plate 9 by a second bolt 11, and a sixth mounting plate 20 is fixed to the outer wall of the connecting pipe 8 and the flow pipe 18 facing the processing box 12, and the two sixth mounting plates 20 are fixed to the two ends of the processing box 12 by a fourth bolt 21, and a friction plate 29 is fixed to the outer wall of the bottom end of the leg 28, a frame 23 is fixed to the top of the main board 1, and the processing box 12 and the condenser 19 are both placed on the top of the frame 23, a feed pipe 31 is fixed to the top of the top cover 2, a sealing sleeve 32 is threadedly connected to the top of the feed pipe 31, and a docking plate 35 is fixed to the outer wall of the bottom end of the discharge pipe 33.

[0028] The effect achieved by the entire embodiment 2 is that harmful gases are purified through adsorption and filtration by the three-layer activated carbon plate 1302 in the treatment box 12, and the frame 1301 of the device is fixed to the treatment box 12 by the fifth mounting plate 14 and the third bolt 15, so that the frame 1301 and the activated carbon plate 1302 as a whole can be taken out at any time for cleaning and replacement, which is more practical. In addition, the device is provided with the first mounting plate 3, the second mounting plate 4, the third mounting plate 9, the fourth mounting plate 10, the fifth mounting plate 14 and the sixth mounting plate 20, so that each component of the device can be disassembled separately. When it is damaged, the individual components can be repaired and replaced, which is more practical. When the device needs to be moved, the four telescopic rods 3002 are synchronously operated to drive the four universal wheels 3004 to move out of the support legs 28. At this time, the device is supported by the universal wheels 3004 and can be pushed to move.

[0029] Working principle: When the device is used, the heating wire 25 is used to heat the phthalic anhydride in the distiller 36 to separate the light components and heavy components in the raw material. In the distiller 36, the temperature and pressure are controlled to evaporate the lighter components (such as benzene and phenol), so that the harmful gases and distilled gas are guided by the outlet pipe 7 and the connecting pipe 8 to enter the treatment box 12. The operation of the treatment structure 13 in the treatment box 12 purifies the harmful gases, and the distilled gas is guided by the circulation pipe 18 to enter the condenser 19 to be condensed and liquefied and discharged. By setting the control valve 34, the heavy group impurities in the distiller 36 can be discharged to facilitate subsequent treatment. By setting the temperature sensor 26, the temperature in the distiller 36 can be monitored, and the heating temperature of the heating wire 25 can be controlled by controlling the display screen 27.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A light component slag removal system for phthalic anhydride production, comprising a main board (1), characterized in that: A distiller (36) is fixed to the top of the main board (1), a top cover (2) is provided at the top of the distiller (36), an air outlet pipe (7) is fixed to the top of the top cover (2), a connecting pipe (8) is installed at the top of the air outlet pipe (7), a treatment box (12) is installed at one end of the connecting pipe (8) away from the air outlet pipe (7), a treatment structure (13) for treating harmful gases is provided in the treatment box (12), a circulation pipe (18) is installed at the bottom of the treatment box (12), a condenser (19) is fixed to the bottom of the circulation pipe (18), and a water outlet is fixed to the bottom of the condenser (19). The distiller (36) is provided with a heating chamber (24), a heating wire (25) is installed in the heating chamber (24), a temperature sensor (26) is installed on the inner wall of the distiller (36), a control display screen (27) is installed on the top of the main board (1), a discharge pipe (33) is fixed at the bottom end of the distiller (36), a control valve (34) is installed on the outer wall of the discharge pipe (33), and legs (28) are fixed at the four corners of the bottom end of the main board (1), and the bottom ends of the four legs (28) are provided with a driving structure (30) for facilitating the movement of the main board (1) as a whole.

2. A phthalic anhydride production light component slag discharge system according to claim 1, characterized in that: The processing structure (13) comprises a frame (1301) slidably connected to the processing box (12), and an activated carbon plate (1302) is fixed on the inner wall of the frame (1301).

3. A slag removal system for light components in phthalic anhydride production according to claim 1, characterized in that: The driving structure (30) comprises an inner cavity (3001) opened at the bottom end of the supporting leg (28), a telescopic rod (3002) is installed on the inner top wall of the inner cavity (3001), a bottom plate (3003) is fixed to the output end of the telescopic rod (3002), and a universal wheel (3004) is installed at the bottom end of the bottom plate (3003).

4. A phthalic anhydride production light component slag discharge system according to claim 2, characterized in that: A sealing plate (17) is fixed on the outer wall of the frame (1301) outside the treatment box (12), and a handle (16) is fixed on one end of the frame (1301) outside the treatment box (12). The number of the frames (1301) and the number of the activated carbon plates (1302) are both three, and the filter holes of the three activated carbon plates (1302) become smaller from top to bottom.

5. A slag removal system for light components in phthalic anhydride production according to claim 4, characterized in that: A fifth mounting plate (14) is fixed to the bottom end of the sealing plate (17), and the fifth mounting plate (14) is fixed to the processing box (12) via a third bolt (15).

6. A slag removal system for light components in phthalic anhydride production according to claim 1, characterized in that: A first mounting plate (3) is fixed to the top outer wall of the distiller (36), and a second mounting plate (4) is fixed to the bottom outer wall of the top cover (2). The first mounting plate (3) and the second mounting plate (4) are fixed to each other via a first bolt (5), and both ends of the outer wall of the second mounting plate (4) are fixed with hanging rings (6).

7. A slag removal system for light components in phthalic anhydride production according to claim 1, characterized in that: A third mounting plate (9) is provided at the top outer wall of the air outlet pipe (7), a fourth mounting plate (10) is fixed to the bottom outer wall of the connecting pipe (8), and the fourth mounting plate (10) is fixed to the third mounting plate (9) by a second bolt (11).

8. A slag removal system for light components in phthalic anhydride production according to claim 1, characterized in that: A sixth mounting plate (20) is fixed to the outer wall of one end of the connecting pipe (8) and the circulation pipe (18) facing the processing box (12); the two sixth mounting plates (20) are fixed to the two ends of the processing box (12) by fourth bolts (21); and a friction plate (29) is fixed to the outer wall of the bottom end of the support leg (28).

9. A slag removal system for light components in phthalic anhydride production according to claim 1, characterized in that: A frame (23) is fixed on the top of the main board (1), and the processing box (12) and the condenser (19) are both placed on the top of the frame (23).

10. A light component slag removal system for phthalic anhydride production according to claim 1, characterized in that: A feed pipe (31) is fixed to the top end of the top cover (2), a sealing sleeve (32) is threadedly connected to the top end of the feed pipe (31), and a docking plate (35) is fixed to the outer wall of the bottom end of the discharge pipe (33).

Images