Photo-chlorination tower with PTFE (Polytetrafluoroethylene) lining

Abstract

The utility model discloses a photochlorination tower with a PTFE lining, which comprises a bottom pipe, a middle pipe and a top pipe, PTFE lining pipes are adhered on the inner walls of the bottom pipe, the middle pipe and the top pipe, a light-emitting pipe is fixed on the outer wall of the top of the top pipe through a bolt, a mounting ring is arranged on the inner wall of the top of the top pipe, a gear ring is rotatably connected on the outer wall of the mounting ring through a bearing, and the gear ring is sleeved on the inner wall of the top pipe. A connecting rod is welded to the outer wall of the bottom of the gear ring, a scraper is fixed to the outer wall of one side of the connecting rod through a bolt, and the scraper is attached to the inner wall of the PTFE lining pipe. The cleaning device has the advantages that when the cleaning motor drives the gear to rotate to be meshed with the gear ring, the gear ring can drive the connecting rod to rotate, the connecting rod can drive the scraping plate and the cleaning brush to rotate, the scraping plate can scrape off reaction residues on the PTFE lining pipe so that follow-up use can not be affected, the cleaning brush can clean away the reaction residues attached to the reflection pipe, and the cleaning effect is good. The problems that the light emitting effect is affected after residues are attached to the light emitting tube, and then the photochlorination reaction effect of gas to be treated is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of photochlorination towers, in particular to a photochlorination tower lined with PTFE. Background Art

[0002] The photochlorination tower is a device for photochlorination of gases. The gas to be reacted is introduced into the tower body and reacts with chlorine under photocatalytic conditions.

[0003] For example, a photochlorination reaction tower used in the production of monochlorodifluoroethane with application number CN206457434U includes a reaction tower body, which includes a tower body, a C gas phase feed port is arranged at the bottom of the tower body, and a plurality of feed ports are arranged on the side of the tower body from bottom to top, wherein the plurality of feed ports are C2-Cn feed ports, wherein the C1 feed port is a feed port for a gas phase R152a and chlorine mixture, and the C2-Cn feed port on the side of the tower body is a feed port for liquid R152a; and T1-Tn temperature measuring ports are correspondingly arranged on the C1-Cn feed ports on the tower body.

[0004] Above-mentioned and in the prior art, when treated gas carries out photochlorination, reaction residue can be produced, reaction residue can be attached on the inwall of photochlorination tower and the outside of luminous tube, if do not clean up, after the attachment reaction residue on the luminous tube, can affect the luminous effect, and then can affect the treated gas photochlorination effect, and the reaction residue that adheres on the inwall of photochlorination tower is too much and can affect subsequent use.Therefore, a kind of photochlorination tower of lining PTFE of design is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a PTFE-lined photochlorination tower to solve the above-mentioned shortcomings in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A PTFE-lined photochlorination tower comprises a bottom tube, an intermediate tube and a top tube, wherein the inner walls of the bottom tube, the intermediate tube and the top tube are all bonded with a PTFE-lined tube, a light-emitting tube is fixed to the outer wall of the top tube by bolts, a mounting ring is arranged on the inner wall of the top tube, a gear ring is rotatably connected to the outer wall of the mounting ring by a bearing, a connecting rod is welded to the outer wall of the bottom of the gear ring, a scraper is fixed to the outer wall of one side of the connecting rod by bolts, and the scraper is fitted to the inner wall of the PTFE-lined tube, a cleaning brush is fixed to the outer wall of the connecting rod away from the scraper by bolts, a cleaning motor is fixed to the outer wall of the top tube by bolts, a gear is arranged on the output shaft of the cleaning motor, the gear and the gear ring are meshed with each other, and a cleaning door is movably connected to the outer wall of the front side of the bottom tube by a hinge.

[0008] Furthermore, fixing rings are welded to the bottom of the outer walls of the middle tube and the top tube, and assembling rings are welded to the top of the outer walls of the bottom tube and the middle tube, and a plurality of slots are opened inside the assembling rings.

[0009] Furthermore, a moving block is slidably connected inside the fixed ring, and an inserting block is integrally connected to the outer wall of the bottom of the moving block, and the inserting block is inserted into the inside of the slot.

[0010] Furthermore, a guide block is arranged on the inner wall of the fixed ring, and the moving block is slidably connected to the outside of the guide block. A spring connected to the moving block is arranged on the inner wall of the fixed ring, and the spring is sleeved on the outside of the guide block.

[0011] Furthermore, an extrusion screw is threadedly connected to the outer wall at the top of the fixing ring, an extrusion block is slidably connected inside the fixing ring, and the bottom end of the extrusion screw is rotatably connected to the outer wall at the top of the extrusion block through a bearing.

[0012] Furthermore, a filter box is welded on the outer wall of one side of the top pipe, and a through slot is opened inside the filter box. A filter frame is slidably connected inside the through slot, and a coarse filter screen and a fine filter screen are respectively fixed to the inner wall of the filter frame by bolts.

[0013] Furthermore, a fixing screw is threadedly connected on the outer wall of the top of the filter box, and a fixing hole is opened on the outer wall of the top of the filter frame, and the fixing screw is threadedly connected inside the fixing hole.

[0014] Furthermore, a base is welded to the bottom of the bottom tube, and an air inlet pipe is arranged inside the base. A dispersion box is fixed to the outer wall of the top of the base by bolts, and a plurality of air holes are opened on the top of the dispersion box.

[0015] Furthermore, a transmission motor is fixed to the inner wall of the top of the base by bolts, and fan blades are arranged on the output shaft of the transmission motor.

[0016] Furthermore, an air outlet pipe is welded on the outer wall of one side of the filter box, and a chlorine addition pipe is fixed to the outer wall of one side of the bottom pipe and the middle pipe by bolts.

[0017] In the above technical scheme, the utility model provides a PTFE lined photochlorination tower, (1) through the top pipe, PTFE lined tube, light emitting tube, mounting ring, gear ring, connecting rod, scraper, cleaning brush, cleaning motor and gear, when the cleaning motor drives the gear to rotate and mesh with the gear ring, the gear ring can drive the connecting rod to rotate, and the connecting rod can drive the scraper and the cleaning brush to rotate, the scraper can scrape off the reaction residue on the PTFE lined tube to avoid affecting the subsequent use, and the cleaning brush can clean the reaction residue attached to the reflective tube, solving the problem that the residue attached to the light emitting tube will affect the light effect, and then affect the photochlorination effect of the gas to be treated, so that the effect of the photochlorination effect of the gas is better; (2) through the fixed ring, assembly ring, moving block, plug block, guide block, spring, extrusion screw and extrusion block, the extrusion screw is rotated to drive the extrusion block to move downward, the extrusion block will squeeze the moving block so that the moving block drives the plug block to move, and the plug block can be plugged into the inside of the slot, so that the gas photochlorination effect can be better. The assembly between the middle tube and the bottom tube, between two adjacent middle tubes, and between the top tube and the middle tube is performed without the need to use multiple screws for fixing, making the installation and disassembly process more convenient and also improving the efficiency of installation and disassembly; (3) through the filter box, through slot, filter frame, coarse filter, fine filter, fixing screws and fixing holes, the coarse filter and fine filter can filter the gas after the photochlorination reaction, the filter frame can slide inside the through slot, and the used coarse filter and fine filter can be slid to one side of the filter box for cleaning or replacement. At this time, the unused coarse filter and fine filter are located inside the filter box, and there is no need to stop the machine, so as to avoid affecting the working efficiency of the gas photochlorination reaction; (4) through the base, air inlet pipe, transmission motor, dispersion box, fan blades and air holes, the gas to be reacted is introduced into the dispersion box through the air inlet pipe, the transmission motor drives the fan blades to rotate to disperse the gas, and the gas enters through the air holes, and the air holes can disperse the gas, so that the effect of the gas photochlorination reaction is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a PTFE-lined photochlorination tower embodiment.

[0020] Figure 2 The utility model provides a schematic diagram of the internal structure of a PTFE-lined photochlorination tower embodiment.

[0021] Figure 3The utility model provides a transmission structure schematic diagram of a PTFE-lined photochlorination tower embodiment.

[0022] Figure 4 The utility model is a schematic diagram of the internal structure of a fixed ring provided by a PTFE-lined photochlorination tower embodiment.

[0023] Figure 5 The utility model is a front view of the internal structure of a fixed ring provided in a PTFE-lined photochlorination tower embodiment.

[0024] Figure 6 The utility model provides a filter box structure schematic diagram of a PTFE-lined photochlorination tower embodiment.

[0025] Description of reference numerals:

[0026] 1. Bottom tube; 2. Middle tube; 3. Top tube; 4. PTFE lined tube; 5. Light-emitting tube; 6. Mounting ring; 7. Gear ring; 8. Connecting rod; 9. Scraper; 10. Cleaning brush; 11. Cleaning motor; 12. Gear; 13. Fixed ring; 14. Assembly ring; 15. Moving block; 16. Insert block; 17. Guide block; 18. Spring; 19. Extrusion screw; 20. Extrusion block; 21. Filter box; 22. Through groove; 23. Filter frame; 24. Coarse filter screen; 25. Fine filter screen; 26. Slot; 27. Base; 28. Inlet pipe; 29. ​​Transmission motor; 30. Dispersion box; 31. Fan blades; 32. Exhaust pipe; 33. Chlorine dosing pipe; 34. Air hole; 35. Fixing screw; 36. Fixing hole; 37. Cleaning door. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1-6 Shown, a kind of PTFE-lined photochlorination tower that the utility model embodiment provides, comprise bottom pipe 1, intermediate pipe 2 and top pipe 3, bottom pipe 1, intermediate pipe 2 and the inwall of top pipe 3 are all bonded with PTFE liner pipe 4, the outer wall at top pipe 3 top is fixed with luminous tube 5 by bolts, and the inwall at top pipe 3 top is provided with mounting ring 6, the outer wall of mounting ring 6 is rotatably connected with gear ring 7 by bearing, and connecting rod 8 is welded with on the outer wall of gear ring 7 bottom, scraper plate 9 is fixed with bolts on the outer wall of connecting rod 8 one side, and scraper plate 9 fits with PTFE liner pipe 4 inwalls, connecting rod 8 is fixed with cleaning brush 10 by bolts on the outer wall away from scraper plate 9 one side, cleaning motor 11 is fixed with bolts on the outer wall at top pipe 3 top, and the output shaft of cleaning motor 11 is provided with gear 12, gear 12 and gear ring 7 mesh with each other, and cleaning door 37 is movably connected with on the outer wall of bottom pipe 1 front by hinge.

[0029] The utility model provides a PTFE-lined photochlorination tower, comprising a bottom tube 1, an intermediate tube 2 and a top tube 3, wherein the bottom tube 1, the intermediate tube 2 and the top tube 3 are all bonded with a PTFE lining tube 4, a light-emitting tube 5 is fixed on the outer wall of the top of the top tube 3 by bolts, a mounting ring 6 is arranged on the inner wall of the top of the top tube 3, a gear ring 7 is rotatably connected to the outer wall of the mounting ring 6 by a bearing, a connecting rod 8 is welded to the outer wall of the bottom of the gear ring 7, a scraper 9 is fixed on the outer wall of one side of the connecting rod 8 by bolts, and the scraper 9 is fitted with the inner wall of the PTFE lining tube 4, a cleaning brush 10 is fixed on the outer wall of the connecting rod 8 away from the scraper 9 by bolts, a cleaning motor 11 is fixed on the outer wall of the top of the top tube 3 by bolts, A gear 12 is provided on the output shaft of the cleaning motor 11, and the gear 12 is meshed with the ring gear 7. A cleaning door 37 is movably connected to the outer wall of the front side of the bottom tube 1 through a hinge. Starting the cleaning motor 11 drives the gear 12 to rotate and mesh with the ring gear 7. The ring gear 7 will drive the connecting rod 8 to rotate, and the connecting rod 8 will drive the scraper 9 and the cleaning brush 10 to rotate. The scraper 9 can scrape off the attached reaction residues on the PTFE liner tube 4 to avoid excessive attachment affecting subsequent use. The cleaning brush 10 can clean the outer wall of the light-emitting tube 5 to prevent the attached reaction residues from affecting the luminescence and causing the gas photochlorination reaction to be poor, thereby providing good reaction conditions for the gas photochlorination reaction and making the gas photochlorination reaction more effective.

[0030] In an embodiment provided by the utility model, a fixing ring 13 is welded to the bottom of the outer wall of the middle tube 2 and the top tube 3, and an assembling ring 14 is welded to the top of the outer wall of the bottom tube 1 and the middle tube 2. A plurality of slots 26 are provided inside the assembling ring 14. The fixing ring 13 and the assembling ring 14 are used for assembling between the bottom tube 1 and the middle tube 2, between the middle tubes 2 and the middle tubes 2, and between the middle tubes 2 and the top tube 3.

[0031] In another embodiment provided by the utility model, a moving block 15 is slidably connected inside the fixed ring 13, and an insert block 16 is integrally connected to the outer wall at the bottom of the moving block 15. The insert block 16 is inserted into the inside of the slot 26, so that the fixed ring 13 can be connected and fixed with the assembling ring 14.

[0032] In another embodiment provided by the utility model, a guide block 17 is provided on the inner wall of the fixed ring 13, and the moving block 15 is slidably connected to the outside of the guide block 17, and a spring 18 connected to the moving block 15 is provided on the inner wall of the fixed ring 13, and the spring 18 is sleeved on the outside of the guide block 17, and the elastic force of the spring 18 can push the moving block 15 to move.

[0033] In an embodiment provided by the utility model, an extrusion screw 19 is threadedly connected to the outer wall at the top of the fixing ring 13, an extrusion block 20 is slidably connected inside the fixing ring 13, and the bottom end of the extrusion screw 19 is rotatably connected to the outer wall at the top of the extrusion block 20 through a bearing, and rotating the extrusion screw 19 can drive the extrusion block 20 to move downward.

[0034] In another embodiment provided by the utility model, a filter box 21 is welded on the outer wall of one side of the top pipe 3, and a through groove 22 is opened inside the filter box 21, a filter frame 23 is slidably connected inside the through groove 22, and a coarse filter screen 24 and a fine filter screen 25 are respectively fixed to the inner wall of the filter frame 23 by bolts, and the coarse filter screen 24 and the fine filter screen 25 can filter out impurities in the reacted gas.

[0035] In another embodiment provided by the utility model, a fixing screw 35 is threadedly connected to the outer wall of the top of the filter box 21, and a fixing hole 36 is opened on the outer wall of the top of the filter frame 23. The fixing screw 35 is threadedly connected to the inside of the fixing hole 36 to fix the filter box 21.

[0036] In one embodiment provided by the utility model, a base 27 is welded to the bottom of the bottom tube 1, and an air inlet pipe 28 is arranged inside the base 27. A dispersion box 30 is fixed to the outer wall of the top of the base 27 by bolts, and a plurality of air holes 34 are opened on the top of the dispersion box 30. The air holes 34 can make the gas more dispersed when entering, which is beneficial to the contact between the gas and the chlorine gas.

[0037] In another embodiment provided by the utility model, a transmission motor 29 is fixed to the inner wall of the top of the base 27 by bolts, and a fan blade 31 is arranged on the output shaft of the transmission motor 29. The transmission motor 29 can drive the fan blade 31 to rotate to disperse the gas.

[0038] In another embodiment provided by the utility model, an air outlet pipe 32 is welded on the outer wall of one side of the filter box 21, and a chlorine addition pipe 33 is fixed to the outer wall of one side of the bottom pipe 1 and the middle pipe 2 by bolts, and chlorine is introduced into the interior of the photochlorination tower through the chlorine addition pipe 33.

[0039] Working principle: When in use, place the middle tube 2 on the bottom tube 1, and insert the plug 16 into the inside of the assembly ring 14, turn the extrusion screw 19 to drive the extrusion block 20 to move downward, and the extrusion block 20 will squeeze the inclined surface of the moving block 15, so that the moving block 15 drives the plug 16 to move, and the plug 16 can be inserted into the inside of the slot 26, so that the middle tube 2 and the bottom tube 1 can be assembled and fixed, and then the above method can be used to assemble and fix the two adjacent middle tubes 2, the top tube 3 and the middle tube 2, without using multiple The screws make the assembly and disassembly process more convenient, chlorine is introduced into the interior of the photochlorination tower through the chlorine adding pipe 33, the reacted gas is introduced into the interior of the dispersion box 30 through the air inlet pipe 28, the transmission motor 29 is started to drive the fan blade 31 to rotate, the gas can be dispersed, the gas enters through the air hole 34, the air hole 34 can disperse the gas, so that the gas contacts the chlorine and light more evenly, thereby making the effect of the photochlorination reaction of the gas better, the reacted gas is filtered through the filter box 21, the coarse filter 2 4 and fine filter screen 25 can filter out impurities in the gas. When it is necessary to clean or replace the coarse filter screen 24 and fine filter screen 25 after use, slide the filter box 21 from the internal thread of the fixing hole 36 with the fixing screw 35, slide the coarse filter screen 24 and fine filter screen 25 after use to one side of the filter box 21 for cleaning or replacement. At this time, the unused coarse filter screen 24 and fine filter screen 25 are located inside the filter box 21, and there is no need to stop the machine to avoid affecting the working efficiency of the gas photochlorination reaction. Start the cleaning motor 11 to drive the gear 12 to rotate and mesh with the ring gear 7, the ring gear 7 will drive the connecting rod 8 to rotate, and the connecting rod 8 will drive the scraper 9 and the cleaning brush 10 to rotate. The scraper 9 can scrape off the attached reaction residues on the PTFE liner tube 4 to avoid excessive attachment affecting subsequent use. The cleaning brush 10 can clean the outer wall of the light-emitting tube 5 to prevent the attached reaction residues from affecting the luminescence and causing the gas photochlorination reaction to be poor, thereby providing good reaction conditions for the gas photochlorination reaction. Finally, it can be cleaned out through the cleaning door 37.

[0040] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A PTFE-lined photochlorination tower, comprising a bottom pipe (1), an intermediate pipe (2) and a top pipe (3), characterized in that: The inner walls of the bottom tube (1), the middle tube (2) and the top tube (3) are all bonded with a PTFE lining tube (4); a light-emitting tube (5) is fixed to the outer wall of the top of the top tube (3) by means of bolts; a mounting ring (6) is provided on the inner wall of the top of the top tube (3); a gear ring (7) is rotatably connected to the outer wall of the mounting ring (6) by means of a bearing; a connecting rod (8) is welded to the outer wall of the bottom of the gear ring (7); a scraper (9) is fixed to the outer wall of one side of the connecting rod (8) by means of bolts ), and the scraper (9) is in contact with the inner wall of the PTFE liner tube (4); a cleaning brush (10) is fixed to the outer wall of the connecting rod (8) away from the scraper (9) by bolts; a cleaning motor (11) is fixed to the outer wall of the top of the top tube (3) by bolts, and a gear (12) is provided on the output shaft of the cleaning motor (11); the gear (12) and the gear ring (7) are meshed with each other; and a cleaning door (37) is movably connected to the outer wall of the front side of the bottom tube (1) by a hinge.

2. a kind of photochlorination tower lined with PTFE according to claim 1, is characterized in that, A fixing ring (13) is welded to the bottom of the outer wall of the middle tube (2) and the top tube (3), and an assembly ring (14) is welded to the top of the outer wall of the bottom tube (1) and the middle tube (2), wherein a plurality of slots (26) are provided inside the assembly ring (14).

3. a kind of photochlorination tower lined with PTFE according to claim 2, is characterized in that, A moving block (15) is slidably connected inside the fixed ring (13), and an inserting block (16) is integrally connected to the outer wall at the bottom of the moving block (15), and the inserting block (16) is inserted into the inside of the slot (26).

4. a kind of photochlorination tower lined with PTFE according to claim 3, is characterized in that, A guide block (17) is provided on the inner wall of the fixed ring (13), and the moving block (15) is slidably connected to the outside of the guide block (17). A spring (18) connected to the moving block (15) is provided on the inner wall of the fixed ring (13), and the spring (18) is sleeved on the outside of the guide block (17).

5. a kind of photochlorination tower lined with PTFE according to claim 4, is characterized in that, An extrusion screw (19) is threadedly connected to the outer wall of the top of the fixing ring (13), an extrusion block (20) is slidably connected inside the fixing ring (13), and the bottom end of the extrusion screw (19) is rotatably connected to the outer wall of the top of the extrusion block (20) via a bearing.

6. a kind of photochlorination tower lined with PTFE according to claim 5, is characterized in that, A filter box (21) is welded to the outer wall of one side of the top pipe (3), and a through slot (22) is provided inside the filter box (21). A filter frame (23) is slidably connected inside the through slot (22), and a coarse filter screen (24) and a fine filter screen (25) are respectively fixed to the inner wall of the filter frame (23) by bolts.

7. a kind of photochlorination tower lined with PTFE according to claim 6, is characterized in that, A fixing screw (35) is threadedly connected to the outer wall of the top of the filter box (21), and a fixing hole (36) is opened on the outer wall of the top of the filter frame (23), and the fixing screw (35) is threadedly connected to the inside of the fixing hole (36).

8. a kind of photochlorination tower lined with PTFE according to claim 7, is characterized in that, A base (27) is welded to the bottom of the bottom tube (1), and an air intake pipe (28) is arranged inside the base (27). A dispersion box (30) is fixed to the outer wall of the top of the base (27) by bolts, and a plurality of air holes (34) are opened on the top of the dispersion box (30).

9. a kind of photochlorination tower lined with PTFE according to claim 8, is characterized in that, A transmission motor (29) is fixed to the inner wall of the top of the base (27) by means of bolts, and a fan blade (31) is arranged on the output shaft of the transmission motor (29).

10. A PTFE-lined photochlorination tower according to claim 9, characterized in that: An air outlet pipe (32) is welded to the outer wall of one side of the filter box (21), and a chlorine addition pipe (33) is fixed to the outer wall of one side of the bottom pipe (1) and the middle pipe (2) by means of bolts.

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