A phenol production plant exhaust gas treatment device
By designing a combination of filter box and disinfection tank, phenol is dissolved and absorbed using water and ethanol. Combined with multiple filtrations using filter screens and perforated plates, the problem of incomplete filtration of toxic waste gas in phenol production is solved, achieving efficient waste gas treatment.
Patent Information
- Application Number
- CN202110250863.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-03-08
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2041-03-08
AI Technical Summary
Existing technologies cannot effectively filter out the toxic waste gases generated during the phenol production process, resulting in cumbersome operation and incomplete filtration.
A device comprising a filter box, an electric heating element, an air inlet pipe, and an exhaust fan was designed. By using a filter tank and a disinfection tank in combination, phenol is dissolved and absorbed using water and ethanol, and then filtered and disinfected multiple times through a filter screen and a perforated plate.
It achieves effective filtration and disinfection of phenol waste gas, extends the service life of the solution, improves the filtration effect, and facilitates the cleaning and replacement of the filter screen.
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Figure CN113041740B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to waste gas treatment technical field, specifically to a kind of phenol production workshop waste gas treatment device. BACKGROUND
[0002] Phenol is an organic compound, is colorless needle-like crystal with special smell, is toxic, is important raw material for producing some resins, fungicides, preservatives and drugs, and can be used for disinfecting surgical instruments and treating excrement, skin sterilization, antipruritic and otitis media, melting point 43 DEG C, slightly soluble in water at room temperature, easily soluble in organic solvents, when temperature is higher than 65 DEG C, can be mutually soluble with water in any proportion, phenol is corrosive, after contact, local protein can be denatured, its solution is adhered to skin can be washed with alcohol, a small part of phenol is exposed to air and oxidized to quinone by oxygen and becomes pink, meet trivalent iron ion and become purple, usually use this method to detect phenol.
[0003] In the production process of phenol, certain toxic waste gas is generated, and the waste gas needs to be filtered and disinfected, and after reaching the standard, it can be discharged, but there is no device that can directly filter out the toxic substances in the waste gas. SUMMARY
[0004] (I) technical problem solved
[0005] In view of the defects of prior art, the present application provides a kind of phenol production workshop waste gas treatment device, with the advantages of convenient operation and complete filtration, solves the problems of troublesome operation and incomplete filtration.
[0006] (II) technical scheme
[0007] To achieve the above object, the present application provides the following technical scheme: a kind of phenol production workshop waste gas treatment device, including filter box, electric heating pipe, air inlet pipe and exhaust fan, the two sides of the inner wall of filter box are respectively provided with filter groove and disinfection groove, the top of filter groove is inserted with air guide pipe, the surface of air inlet pipe is provided with mounting groove, the inner wall of one end of air guide pipe is fixedly connected with support rod, one side of support rod is fixedly connected with exhaust fan, one end of air guide pipe is fixedly connected with gas collection hood, the inner wall of other end of air inlet pipe is fixedly connected with air diffuser, the surface of air diffuser is provided with air outlet hole, one side of the top of filter box is fixedly connected with protection shell, the inner side wall of protection shell is provided with guide groove, the inner wall of guide groove is slidably connected with guide block, the surface of guide block is fixedly connected with mounting plate, one side of mounting plate is fixedly connected with fixed frame, the inner wall of fixed frame is movably connected with filter screen.
[0008] Preferably, the bottom of the filter box is fixedly connected with support leg, the bottom of the support leg is fixedly connected with anti-skid pad, and the material of the anti-skid pad is rubber material.
[0009] Preferably, the inner bottom wall of the filter tank is fixedly installed with an electric heating pipe, and the outer surface of the electric heating pipe is fixedly connected with a waterproof sleeve.
[0010] Preferably, the inner wall of the air guide pipe is fixedly connected with a mesh plate in the interior of the sterilization tank, and the surface of the mesh plate is provided with air permeation holes.
[0011] Preferably, the top of the filter box is provided with an air outlet hole above the sterilization tank, and the inner wall of the air outlet hole is fixedly connected with an air outlet pipe.
[0012] Preferably, the top of the filter box is provided with an air inlet hole above the filter tank, and the inner wall of the air inlet hole is fixedly connected with an air inlet pipe.
[0013] Preferably, the outer surface of the mounting plate is fixedly connected with a handle, and the outer surface of the handle is fixedly connected with a protective sleeve.
[0014] Preferably, the top of the filter box and the mounting plate are both provided with threaded holes, and the inner wall of the threaded hole is threadedly connected with a fixing bolt.
[0015] Preferably, the top of the filter box is provided with a water inlet hole above the filter tank and the sterilization tank respectively, the outer surface of the filter box is provided with a water outlet hole, and the outer surfaces of the water inlet hole and the water outlet hole are both threadedly connected with sealing covers.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the present application provides a phenol production workshop waste gas treatment device, which has the following beneficial effects:
[0018] 1. The phenol production workshop waste gas treatment device can directly collect toxic waste gas during the phenol production process, prevent toxic gas from causing harm to workers, and achieve better filtering effect by uniformly sending the collected gas into the filter tank for uniform filtering through the cooperation of the air diffuser and the air outlet hole, and by filtering larger particles in the gas through the filter screen, thereby prolonging the use time of the medicinal liquid in the filter tank and the sterilization tank.
[0019] 2. The phenol production workshop waste gas treatment device can achieve better filtering effect by adding water in the filter tank and adding ethanol in the sterilization tank, dissolving and absorbing the residual phenol in the toxic gas by phenol and ethanol, thereby avoiding phenol from entering the atmosphere, and performing two times of filtering, and ethanol can disinfect the gas, and the filter screen can be cleaned and replaced more conveniently through the installation of the mounting plate, thereby being more portable. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of a phenol production workshop waste gas treatment device proposed in this invention.
[0021] Figure 2 This is a cross-sectional structural diagram of a phenol production workshop waste gas treatment device proposed in this invention.
[0022] Figure 3 This is a schematic diagram of the air inlet pipe structure of a phenol production workshop exhaust gas treatment device proposed in this invention.
[0023] Figure 4 This is a schematic diagram of the filter box structure of a phenol production workshop exhaust gas treatment device proposed in this invention;
[0024] Figure 5 This is a schematic diagram of the mounting plate structure of a phenol production workshop exhaust gas treatment device proposed in this invention.
[0025] Figure 6 This invention provides a waste gas treatment device for a phenol production workshop. Figure 4 Enlarged structural diagram at point A in the middle.
[0026] In the diagram: 1. Filter box; 2. Support leg; 3. Filter tank; 4. Disinfection tank; 5. Electric heating element; 6. Air guide pipe; 7. Mesh plate; 8. Ventilation hole; 9. Exhaust hole; 10. Exhaust pipe; 11. Air inlet; 12. Air inlet pipe; 13. Mounting slot; 14. Support rod; 15. Exhaust fan; 16. Air collection hood; 17. Air diffuser; 18. Air outlet; 19. Protective shell; 20. Guide groove; 21. Guide block; 22. Mounting plate; 23. Fixing frame; 24. Filter screen; 25. Handle; 26. Threaded hole; 27. Fixing bolt; 28. Water inlet; 29. Drain outlet; 30. Sealing cover. Detailed Implementation
[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0028] Please see Figures 1-6The utility model provides a kind of phenol production plant exhaust treatment device, including filter box 1, electric heating pipe 5, air inlet pipe 12 and exhaust fan 15, to be able to filter toxic gas sufficiently, therefore fixedly connected with support leg 2 at the bottom of filter box 1, the bottom of support leg 2 is fixedly connected with antiskid pad, the material of antiskid pad is rubber material, filter groove 3 and disinfection groove 4 are respectively set in the two sides of filter box 1 inner wall, electric heating pipe 5 is fixedly installed in the inner bottom wall of filter groove 3, waterproof sleeve pipe is fixedly connected on the outer surface of electric heating pipe 5, air guide pipe 6 is inserted in the top of filter groove 3, by the cooperation of filter groove 3 and disinfection groove 4, add water in filter groove 3, add ethanol in disinfection groove 4, water and ethanol dissolve and absorb phenol in toxic gas, by the setting of electric heating pipe 5, water in filter groove 3 is heated, so that water is kept above 65 DEG C, so that phenol in gas is fully absorbed, by the setting of air guide pipe 6, after water filters gas, gas is guided into ethanol, so that phenol in gas is absorbed secondly, and gas is disinfected;
[0029] To be able to reach better filtering effect, therefore fixedly connected with mesh plate 7 in the inner wall of air inlet pipe 12 located in the inside of disinfection groove 4, air hole 8 is set on the surface of mesh plate 7, exhaust hole 9 is set on the top of filter box 1 above disinfection groove 4, exhaust pipe 10 is fixedly connected on the inner wall of exhaust hole 9, air inlet hole 11 is set on the top of filter box 1 above filter groove 3, air inlet pipe 12 is fixedly connected on the inner wall of air inlet hole 11, installation groove 13 is set on the surface of air inlet pipe 12, support rod 14 is fixedly connected on the inner wall of one end of air guide pipe 6, one side of support rod 14 is fixedly connected with exhaust fan 15, gas collecting hood 16 is fixedly connected on one end of air guide pipe 6, air inlet pipe 12 other end inner wall is fixedly connected with air diffuser 17, air outlet hole 18 is set on the surface of air diffuser 17, by the cooperation of mesh plate 7 and air hole 8, filtered gas can be evenly guided into disinfection groove 4, so that gas is more conveniently filtered secondly, by the setting of exhaust pipe 10, filtered gas can be discharged from filter box 1, by the setting of support rod 14, exhaust fan 15 can be fixed, prevent exhaust fan 15 from appearing to shake in the working process, ensure that exhaust fan 15 can continuously collect toxic gas;
[0030] In order to be able to filter larger particles in the toxic gas, therefore, the top of the filter box 1 is fixedly connected with a protective shell 19, the inner side wall of the protective shell 19 is provided with a guide groove 20, the inner wall of the guide groove 20 is slidably connected with a guide block 21, the surface of the guide block 21 is fixedly connected with a mounting plate 22, one side of the mounting plate 22 is fixedly connected with a fixed frame 23, the inner wall of the fixed frame 23 is movably connected with a filter screen 24, through the cooperation of the protective shell 19 and the mounting plate 22, and one side of the mounting plate 22 is provided with a sealing pad, the mounting groove 13 can be sealed to prevent gas leakage, through the cooperation of the guide groove 20 and the guide block 21, the mounting plate 22 can be more conveniently slid, so that the filter screen 24 can be conveniently replaced;
[0031] In order to make the device more convenient to use, therefore, the outer surface of the mounting plate 22 is fixedly connected with a handle 25, the outer surface of the handle 25 is fixedly connected with a protective sleeve, the top of the filter box 1 and the mounting plate 22 is provided with a threaded hole 26, the inner wall of the threaded hole 26 is threadedly connected with a fixing bolt 27, the top of the filter box 1 is provided with a water inlet 28 above the filter tank 3 and the disinfection tank 4, the outer surface of the filter box 1 is provided with a drain 29, the outer surface of the water inlet 28 and the drain 29 is threadedly connected with a sealing cover 30, through the setting of the handle 25, the mounting plate 22 can be more conveniently operated, through the cooperation of the threaded hole 26 and the fixing bolt 27, the mounting plate 22 can be conveniently fixed, so that the mounting plate 22 can be prevented from sliding during work, through the setting of the water inlet 28, the filter tank 3 and the disinfection tank 4 can be conveniently charged, through the setting of the drain 29, the filter tank 3 and the disinfection tank 4 can be more conveniently discharged, through the setting of the sealing cover 30, the sealing property of the device is ensured during work.
[0032] The electrical components appearing in this document are all electrically connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.
[0033] In summary, the phenol production workshop waste gas treatment device, when in use,
[0034] 1. The inlet pipe 12 is laid according to the needs, and after the laying is completed, the gas collecting hood 16 is installed above the workshop;
[0035] 2. The mounting plate 22 is slid into the guide groove 20 through the guide block 21, the filter screen 24 is pushed into the mounting groove 13, and the fixing bolt 27 is screwed into the threaded hole 26;
[0036] 3. Open the sealing cover 30, add water and ethanol into the filter tank 3 and the disinfection tank 4 respectively, and the electric heating pipe 5 heats the water;
[0037] 4. Start the air extractor 15 to perform the sterilization and filtration, and replace the water and alcohol regularly;
[0038] 5. After use, turn off the electric heating tube 5 and the air extractor 15, open the sealing cover 30 to dispose the water and alcohol, loosen the fixing bolt 27, and pull the mounting plate 22 through the handle 25 to clean and replace the filter screen 24.
[0039] It is to be noted that the relationship terms such as first and second, and the like, are used herein merely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made hereto without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.
Claims
1. A phenol production plant exhaust gas treatment device, comprising a filter box (1), an electric heating pipe (5), an air inlet pipe (12) and an exhaust fan (15), characterized in that: The both sides of the inner wall of the filter box (1) are respectively provided with a filter groove (3) and a disinfection groove (4), the top of the filter groove (3) is provided with a gas guide pipe (6), the surface of the air inlet pipe (12) is provided with a mounting groove (13), the inner wall of one end of the air inlet pipe (12) is fixedly connected with a supporting rod (14), one side of the supporting rod (14) is fixedly connected with an air extractor (15), one end of the air inlet pipe (12) is fixedly connected with a gas collecting cover (16), the inner wall of the other end of the air inlet pipe (12) is fixedly connected with a wind diffuser (17), the surface of the wind diffuser (17) is provided with an air outlet hole (18), one side of the top of the filter box (1) is fixedly connected with a protective shell (19), the inner side wall of the protective shell (19) is provided with a guide groove (20), the inner wall of the guide groove (20) is slidably connected with a guide block (21), the surface of the guide block (21) is fixedly connected with a mounting plate (22), one side of the mounting plate (22) is fixedly connected with a fixed frame (23), the inner wall of the fixed frame (23) is movably connected with a filter screen (24), ethanol is added in the disinfection groove (4), water and ethanol can dissolve and absorb phenol in toxic gas, the water in the filter groove (3) is heated through the setting of the electric heating pipe (5), so that the water is kept above 65 DEG C, so that the phenol in the gas is fully absorbed, the gas is guided into the ethanol after the gas is filtered by water through the setting of the gas guide pipe (6), so that the phenol in the gas is secondly absorbed, and the gas is disinfected.
2. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The bottom of the filter box (1) is fixedly connected with a supporting leg (2), the bottom of the supporting leg (2) is fixedly connected with an anti-skid pad, and the material of the anti-skid pad is rubber.
3. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The inner bottom wall of the filter groove (3) is fixedly installed with an electric heating pipe (5), and the outer surface of the electric heating pipe (5) is fixedly connected with a waterproof sleeve.
4. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The inner wall of the gas guide pipe (6) is fixedly connected with a mesh plate (7) in the disinfection groove (4), and the surface of the mesh plate (7) is provided with a breathable hole (8).
5. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The top of the filter box (1) is provided with an air outlet hole (9) above the disinfection groove (4), and the inner wall of the air outlet hole (9) is fixedly connected with an air outlet pipe (10).
6. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The top of the filter box (1) is provided with an air inlet hole (11) above the filter groove (3), and the inner wall of the air inlet hole (11) is fixedly connected with an air inlet pipe (12).
7. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The outer surface of the mounting plate (22) is fixedly connected with a handle (25), and the outer surface of the handle (25) is fixedly connected with a protective sleeve.
8. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The top of the filter box (1) and the mounting plate (22) are both provided with a threaded hole (26), and the inner wall of the threaded hole (26) is threadedly connected with a fixing bolt (27).
9. A phenol plant off-gas treatment apparatus according to claim 1, characterized in that: The top of the filter box (1) is provided with a water inlet (28) above the filter groove (3) and the disinfection groove (4) respectively, the outer surface of the filter box (1) is provided with a water outlet (29), and the outer surfaces of the water inlet (28) and the water outlet (29) are both threadedly connected with a sealing cover (30).
Citation Information
Patent Citations
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