CN112717442A - Device capable of improving production quality of phthalic anhydride and preparation method thereof - Google Patents
Device capable of improving production quality of phthalic anhydride and preparation method thereof Download PDFInfo
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- CN112717442A CN112717442A CN202011481975.2A CN202011481975A CN112717442A CN 112717442 A CN112717442 A CN 112717442A CN 202011481975 A CN202011481975 A CN 202011481975A CN 112717442 A CN112717442 A CN 112717442A
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- lead screw
- vaporizer body
- worm
- driving motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/06—Evaporators with vertical tubes
- B01D1/12—Evaporators with vertical tubes and forced circulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
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Abstract
The invention discloses a device capable of improving the production quality of phthalic anhydride and a preparation method thereof. The invention relates to a device capable of improving the production quality of phthalic anhydride and a preparation method thereof, belonging to the technical field of phthalic anhydride processing, wherein a cleaning ring is enabled to move left and right on a heating pipe, residual naphthalene near the heating pipe is dispersed, coking caused by uneven heating is prevented, the production quality is improved, liquid flow in a vaporizer body is accelerated through fan blades, the heating effect is enabled to be better, the driving motor can be simply and conveniently detached, and further the later-stage maintenance of the driving motor is facilitated.
Description
Technical Field
The invention relates to the technical field of phthalic anhydride processing, in particular to a device capable of improving the production quality of phthalic anhydride and a preparation method thereof.
Background
Phthalic anhydride is called phthalic anhydride as an important organic chemical raw material, is mainly used for producing phthalic plasticizers, unsaturated polyester resins, alkyd resins and the like, is widely applied to the fields of plastics, coatings, synthetic materials and the like, is used for producing a small amount of dyes, medicines, pesticide intermediates, saccharin and the like, industrial naphthalene enters a naphthalene vaporizer and is evaporated at high temperature, a part of materials are polymerized in a high-temperature environment in the evaporation process, the highest polymerization at the temperature near the surface of a heater is most obvious, the process for evaporating naphthalene by the industrial naphthalene vaporizer is designed to discharge residual naphthalene regularly after the residual naphthalene in the naphthalene vaporizer reaches a certain liquid level, the process causes that a polymer generated in the evaporation process is in static contact with the heater for a long time, the polymer can generate a viscous polymerization attached to the surface of the heater along with the further reaction polymerization of the polymer, and finally the polymer is gradually carbonized and coked in the high-temperature environment, the heating effect of the vaporizer is reduced.
Disclosure of Invention
The invention mainly aims to provide a device capable of improving the production quality of phthalic anhydride and a preparation method thereof, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a device capable of improving the production quality of phthalic anhydride comprises a vaporizer body, wherein one side of the vaporizer body is provided with an inlet pipe, the top of the vaporizer body is provided with a discharge pipe, a heating pipe is arranged in the vaporizer body, a cleaning ring is sleeved outside the heating pipe, the bottom of the cleaning ring is fixedly connected with a fixed plate, a first lead screw and a positioning column are arranged in the vaporizer body, the positioning column penetrates through the fixed plate, two ends of the positioning column are fixedly connected with the inner wall of the vaporizer body, the first lead screw penetrates through the fixed plate, the first lead screw is in threaded connection with the fixed plate, one end of the first lead screw is connected with the inner wall of the vaporizer body through a first waterproof bearing, the other end of the first lead screw penetrates through the vaporizer body, one end of the first lead screw is fixedly connected with a rotary disc positioned outside the vaporizer body, the novel carburetor is characterized in that a driving assembly is arranged on one side of the rotary table, a second waterproof bearing is arranged at the penetrating position of the first lead screw and the carburetor body, a plurality of fixed shafts are arranged in the carburetor body, the bottom ends of the fixed shafts are connected with the inner wall of the bottom of the carburetor body through bearings, fan blades are arranged on the fixed shafts, and the fixed shafts are connected with the first lead screw through a linkage assembly.
Preferably, the linkage subassembly is including setting up the worm in the vaporizer body, the both ends of worm are all through the interior wall connection of third water-retaining bearing and vaporizer body, the outside cover of worm is equipped with first ring gear, first ring gear and worm fixed connection, the outside cover of first lead screw is equipped with second ring gear, second ring gear and first lead screw fixed connection, second ring gear and first ring gear cooperate, the outside cover of fixed axle is equipped with the worm wheel, worm wheel and fixed axle fixed connection, the worm wheel cooperatees with the worm.
Preferably, drive assembly is including setting up in the driving motor of carousel one side, driving motor's output is equipped with the fixture block, the draw-in groove has been seted up to one side of carousel, the fixture block is located the draw-in groove, driving motor's bottom fixedly connected with mount pad, the bottom of mount pad is equipped with carries the thing board, carry one side and vaporizer body fixed connection of thing board, it passes through fixed subassembly with the mount pad and is connected to carry the thing board.
Preferably, the fixing assembly comprises a baffle arranged on one side of the mounting seat, the baffle is fixedly connected with the object carrying plate, a second lead screw is fixedly connected to one side of the baffle and penetrates through the mounting seat, and a nut located on one side of the mounting seat is sleeved outside the second lead screw.
Preferably, one side of the nut is fixedly connected with two handles.
Preferably, one side of the carburetor body is provided with an observation window.
The preparation method of the device capable of improving the production quality of phthalic anhydride is characterized by comprising the following steps of:
s1, evaporating the naphthalene raw material, adding the naphthalene raw material into the vaporizer body through the feeding pipe, circulating high-temperature medium oil through the heating pipe, and transferring heat to the naphthalene raw material through the heating pipe to evaporate the naphthalene raw material so as to discharge the naphthalene raw material through the discharging pipe;
s2, cleaning the heating pipe, driving a fixture block to rotate through a driving motor while evaporating a naphthalene raw material, further driving a turntable to rotate through the fixture block, enabling a first lead screw to drive a fixing plate to move, avoiding the fixing plate from rotating and shaking along with the first lead screw through an arranged positioning column, further enabling the fixing plate to stably move, driving the fixture block to periodically rotate forward and backward through the driving motor, further enabling a cleaning ring to move left and right on the heating pipe, dispersing residual naphthalene near the heating pipe, preventing coking caused by uneven heating, and improving the production quality;
s3, liquid in the vaporizer body is driven to flow, the first screw rod drives the second gear ring to rotate while rotating, the worm rotates through the matching of the second gear ring and the first gear ring, the fixed shaft rotates through the matching of the worm and the worm wheel, and then the liquid in the vaporizer body is accelerated through the fan blades, so that the heating effect is better;
s4 and later-stage maintenance, the nut is separated from the second lead screw through rotation of the driving nut, fixation of the mounting seat is removed, the mounting seat is driven to be far away from the baffle plate, the mounting seat is driven to pass through the second lead screw, meanwhile, the clamping block is separated from the clamping groove, the driving motor can be simply and conveniently removed, and then later-stage maintenance is conducted on the driving motor.
Preferably, the cleaning ring in S2 is an annular nylon brush.
Compared with the prior art, the invention has the following beneficial effects: the utility model provides a can improve phthalic anhydride production quality's device and preparation method for the clearance ring removes about on the heating pipe, dispels the incomplete naphthalene near the heating pipe, prevents to heat the inequality and causes the coking, improves production quality, when first lead screw is rotatory, can drive the fixed axle and rotate, and then accelerates this internal liquid flow of vaporizer through the flabellum, makes the heating effect better, and can be simple convenient completion driving motor demolish, and then be convenient for carry out the later stage to driving motor and overhaul.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for improving the production quality of phthalic anhydride according to the present invention;
FIG. 2 is a front view of an apparatus for improving the quality of phthalic anhydride production according to the present invention;
FIG. 3 is a schematic view of a driving motor of the apparatus for improving the production quality of phthalic anhydride according to the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 1;
FIG. 5 is a flow chart of a process for preparing an apparatus for improving the quality of phthalic anhydride production according to the present invention.
In the figure: 1. a vaporizer body; 2. a feed pipe; 3. a discharge pipe; 4. heating a tube; 5. cleaning a ring; 6. a fixing plate; 7. a first lead screw; 8. a positioning column; 9. a first waterproof bearing; 10. a turntable; 11. a second waterproof bearing; 12. a worm; 13. a first gear ring; 14. a second gear ring; 15. a third waterproof bearing; 16. a drive motor; 17. a card slot; 18. a clamping block; 19. a loading plate; 20. a mounting seat; 21. a baffle plate; 22. a second lead screw; 23. a nut; 24. a fixed shaft; 25. a fan blade; 26. a bearing; 27. a worm gear.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-4, a device capable of improving the production quality of phthalic anhydride comprises a vaporizer body 1, a feeding pipe 2 is arranged on one side of the vaporizer body 1, a discharging pipe 3 is arranged on the top of the vaporizer body 1, a heating pipe 4 is arranged in the vaporizer body 1, a cleaning ring 5 is sleeved outside the heating pipe 4, a fixing plate 6 is fixedly connected to the bottom of the cleaning ring 5, a first lead screw 7 and a positioning column 8 are arranged in the vaporizer body 1, the positioning column 8 penetrates through the fixing plate 6, both ends of the positioning column 8 are fixedly connected with the inner wall of the vaporizer body 1, the first lead screw 7 penetrates through the fixing plate 6, the first lead screw 7 is in threaded connection with the fixing plate 6, one end of the first lead screw 7 is connected with the inner wall of the vaporizer body 1 through a first waterproof bearing 9, the other end of the first lead screw 7 penetrates through the vaporizer body 1, one end of the first lead screw 7 is fixedly connected with a rotary table 10 positioned outside the vaporizer, a driving assembly is arranged on one side of the rotary table 10, a second waterproof bearing 11 is arranged at the penetrating position of the first screw rod 7 and the vaporizer body 1, a plurality of fixed shafts 24 are arranged in the vaporizer body 1, the bottom ends of the fixed shafts 24 are connected with the inner wall of the bottom of the vaporizer body 1 through bearings 26, fan blades 25 are arranged on the fixed shafts 24, and the fixed shafts 24 are connected with the first screw rod 7 through a linkage assembly;
in this embodiment, the linkage assembly includes a worm 12 disposed in the vaporizer body 1, both ends of the worm 12 are connected to the inner wall of the vaporizer body 1 through a third water-proof bearing 15, a first gear ring 13 is sleeved outside the worm 12, the first gear ring 13 is fixedly connected to the worm 12, a second gear ring 14 is sleeved outside the first lead screw 7, the second gear ring 14 is fixedly connected to the first lead screw 7, the second gear ring 14 is matched with the first gear ring 13, a worm wheel 27 is sleeved outside the fixed shaft 24, the worm wheel 27 is fixedly connected to the fixed shaft 24, the worm wheel 27 is matched with the worm 12, when the first lead screw 7 rotates, the first lead screw 7 drives the second gear ring 14 to rotate, the worm 12 rotates through the matching of the second gear ring 14 and the first gear ring 13, the fixed shaft 24 rotates through the matching of the worm 12 and the worm wheel 27, thereby accelerating the liquid flow in the vaporizer body 1 through the fan blades 25, so that the heating effect is better.
In this embodiment, drive assembly is including setting up in the driving motor 16 of carousel 10 one side, and driving motor 16's output is equipped with fixture block 18, and draw-in groove 17 has been seted up to one side of carousel 10, and fixture block 18 is located draw-in groove 17, and driving motor 16's bottom fixedly connected with mount pad 20, the bottom of mount pad 20 are equipped with carries thing board 19, carry one side and vaporizer body 1 fixed connection of thing board 19, carry thing board 19 and mount pad 20 and pass through fixed subassembly and be connected.
In this embodiment, fixed subassembly is including setting up in the baffle 21 of mount pad 20 one side, baffle 21 with carry 19 fixed connection of thing board, one side fixedly connected with second lead screw 22 of baffle 21, second lead screw 22 runs through mount pad 20, the outside cover of second lead screw 22 is equipped with the nut 23 that is located mount pad 20 one side, rotate through drive nut 23, make nut 23 break away from second lead screw 22, remove the fixed to mount pad 20, and then baffle 21 motion is kept away from to drive mount pad 20, make mount pad 20 pass through second lead screw 22, fixture block 18 breaks away from draw-in groove 17 simultaneously, the dismantlement of completion driving motor 16 that can be simple and convenient, and then be convenient for carry out the later stage to driving motor 16 and overhaul.
In this embodiment, two handles are fixedly connected to one side of the nut 23, and the nut 23 is conveniently driven to rotate through the handles.
In this embodiment, an observation window is provided on one side of the carburetor body 1, and the condition inside the carburetor body 1 can be observed conveniently through the provided observation window.
As shown in fig. 5, a preparation method of a device capable of improving the production quality of phthalic anhydride is characterized by comprising the following steps:
s1, evaporating a naphthalene raw material, adding the naphthalene raw material into the vaporizer body 1 through the feeding pipe 2, circulating high-temperature medium oil through the heating pipe 4, and transferring heat to the naphthalene raw material through the heating pipe 4 to evaporate the naphthalene raw material, so that discharging is performed through the discharging pipe 3;
s2, cleaning the heating pipe 4, driving the fixture block 18 to rotate through the driving motor 16 while evaporating the naphthalene raw material, further driving the turntable 10 to rotate through the fixture block 18, so that the first lead screw 7 drives the fixing plate 6 to move, preventing the fixing plate 6 from rotating and shaking along with the first lead screw 7 through the arranged positioning column 8, further enabling the fixing plate 6 to stably move, driving the fixture block 18 to periodically rotate in the positive and negative direction through the driving motor 16, further enabling the cleaning ring 5 to move left and right on the heating pipe 4, dispersing residual naphthalene near the heating pipe 4, preventing coking caused by uneven heating, and improving the production quality;
s3, liquid in the vaporizer body 1 is driven to flow, the first lead screw 7 drives the second gear ring 14 to rotate while the first lead screw 7 rotates, the worm 12 rotates through the matching of the second gear ring 14 and the first gear ring 13, the fixed shaft 24 rotates through the matching of the worm 12 and the worm wheel 27, and then the liquid flow in the vaporizer body 1 is accelerated through the fan blades 25, so that the heating effect is better;
s4 and later-stage maintenance, the nut 23 is rotated through the driving nut 23, the nut 23 is separated from the second lead screw 22, the fixing of the mounting seat 20 is removed, the mounting seat 20 is driven to move away from the baffle 21, the mounting seat 20 is driven to move through the second lead screw 22, meanwhile, the fixture block 18 is separated from the clamping groove 17, the driving motor 16 can be simply and conveniently detached, and then the driving motor 16 is conveniently subjected to later-stage maintenance.
The cleaning ring 5 in the S2 is an annular nylon brush.
When in use, naphthalene raw material is added into a vaporizer body 1 through a feeding pipe 2, high-temperature medium oil circulates through a heating pipe 4, heat is conducted to the naphthalene raw material through the heating pipe 4 to evaporate the naphthalene raw material, the naphthalene raw material is heated uniformly and stably through conduction of the medium oil to evaporate the naphthalene raw material, discharge is carried out through a discharge pipe 3, the naphthalene raw material is evaporated, meanwhile, a driving motor 16 drives a clamping block 18 to rotate, a rotating disc 10 is driven to rotate through the clamping block 18, a fixing plate 6 is driven to move by a first screw rod 7, the fixing plate 6 is prevented from rotating and shaking along with the first screw rod 7 through a positioning column 8, the fixing plate 6 is further stably moved, the clamping block 18 is driven to periodically rotate in a positive and negative direction through the driving motor 16, and then make the cleaning ring 5 move left and right on the heating pipe 4, dispel the naphthalene residue near the heating pipe 4, prevent from heating the uneven coking, improve the production quality, while the first feed screw 7 is rotated, the first feed screw 7 drives the second gear ring 14 to rotate, through the cooperation of second gear ring 14 and first gear ring 13, make the worm 12 rotate, through the cooperation of worm 12 and worm wheel 27, make the fixed axle 24 rotate, and then accelerate the liquid flow in the vaporizer body 1 through the flabellum 25, make the heating effect better, when needing to demolish the driving motor 16, rotate through the driving nut 23, make the nut 23 break away from the second feed screw 22, remove the fixation to the mount pad 20, and then drive the mount pad 20 to keep away from the movement of the baffle 21, make the mount pad 20 pass through the second feed screw 22, the fixture block 18 breaks away from the neck 17 at the same time, can finish the demolish the driving motor 16 simply and conveniently, thereby facilitating later maintenance of the drive motor 16.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a can improve phthalic anhydride production quality's device which characterized in that: comprises a vaporizer body (1), wherein an inlet pipe (2) is arranged on one side of the vaporizer body (1), a discharge pipe (3) is arranged at the top of the vaporizer body (1), a heating pipe (4) is arranged in the vaporizer body (1), a cleaning ring (5) is sleeved outside the heating pipe (4), a fixing plate (6) is fixedly connected to the bottom of the cleaning ring (5), a first lead screw (7) and a positioning column (8) are arranged in the vaporizer body (1), the positioning column (8) penetrates through the fixing plate (6), both ends of the positioning column (8) are fixedly connected with the inner wall of the vaporizer body (1), the first lead screw (7) penetrates through the fixing plate (6), the connection mode of the first lead screw (7) and the fixing plate (6) is threaded connection, one end of the first lead screw (7) is connected with the inner wall of the vaporizer body (1) through a first waterproof bearing (9), the other end of first lead screw (7) runs through vaporizer body (1), the one end of first lead screw (7) and carousel (10) fixed connection who is located vaporizer body (1) outside, one side of carousel (10) is equipped with drive assembly, the department of running through of first lead screw (7) and vaporizer body (1) is equipped with second waterproof bearing (11), be equipped with a plurality of fixed axles (24) in vaporizer body (1), the bottom of fixed axle (24) passes through bearing (26) with the bottom inner wall of vaporizer body (1) and is connected, be equipped with flabellum (25) on fixed axle (24), fixed axle (24) are connected through the linkage subassembly with first lead screw (7).
2. The apparatus according to claim 1, wherein the apparatus is characterized in that: the linkage assembly comprises a worm (12) arranged in a carburetor body (1), the two ends of the worm (12) are connected with the inner wall of the carburetor body (1) through a third waterproof bearing (15), a first gear ring (13) is sleeved outside the worm (12), the first gear ring (13) is fixedly connected with the worm (12), a second gear ring (14) is sleeved outside the first lead screw (7), the second gear ring (14) is fixedly connected with the first lead screw (7), the second gear ring (14) is matched with the first gear ring (13), a worm wheel (27) is sleeved outside the fixed shaft (24), the worm wheel (27) is fixedly connected with the fixed shaft (24), and the worm wheel (27) is matched with the worm (12).
3. The apparatus according to claim 1, wherein the apparatus is characterized in that: drive assembly is including setting up in driving motor (16) of carousel (10) one side, the output of driving motor (16) is equipped with fixture block (18), draw-in groove (17) have been seted up to one side of carousel (10), fixture block (18) are located draw-in groove (17), the bottom fixedly connected with mount pad (20) of driving motor (16), the bottom of mount pad (20) is equipped with carries thing board (19), carry one side and vaporizer body (1) fixed connection of thing board (19), it is connected through fixed subassembly with mount pad (20) to carry thing board (19).
4. The apparatus according to claim 3, wherein the apparatus is characterized in that: the fixed subassembly is including setting up in baffle (21) of mount pad (20) one side, baffle (21) and year thing board (19) fixed connection, one side fixedly connected with second lead screw (22) of baffle (21), mount pad (20) is run through in second lead screw (22), the outside cover of second lead screw (22) is equipped with nut (23) that are located mount pad (20) one side.
5. The apparatus according to claim 4, wherein the apparatus comprises: and one side of the nut (23) is fixedly connected with two handles.
6. The apparatus according to claim 1, wherein the apparatus is characterized in that: one side of the carburetor body (1) is provided with an observation window.
7. The preparation method of the device capable of improving the production quality of phthalic anhydride is characterized by comprising the following steps of:
s1, evaporating a naphthalene raw material, adding the naphthalene raw material into the vaporizer body (1) through the feeding pipe (2), circulating high-temperature medium oil through the heating pipe (4), and conducting heat to the naphthalene raw material through the heating pipe (4) to evaporate the naphthalene raw material, so that discharging is realized through the discharging pipe (3);
s2, cleaning the heating pipe (4), driving the fixture block (18) to rotate through the driving motor (16) when the naphthalene raw material is evaporated, further driving the turntable (10) to rotate through the fixture block (18), so that the first screw rod (7) drives the fixing plate (6) to move, and through the arranged positioning column (8), preventing the fixing plate (6) from swinging along with the first screw rod (7) in a rotating manner, further enabling the fixing plate (6) to move stably, driving the fixture block (18) to rotate forwards and backwards periodically through the driving motor (16), further enabling the cleaning ring (5) to move left and right on the heating pipe (4), dispersing residual naphthalene near the heating pipe (4), preventing coking caused by uneven heating, and improving the production quality;
s3, liquid in the vaporizer body (1) is driven to flow, the first screw rod (7) drives the second gear ring (14) to rotate while the first screw rod (7) rotates, the worm (12) rotates through the matching of the second gear ring (14) and the first gear ring (13), the fixed shaft (24) rotates through the matching of the worm (12) and the worm wheel (27), and then the liquid flow in the vaporizer body (1) is accelerated through the fan blades (25), so that the heating effect is better;
s4, later stage overhaul, rotate through drive nut (23), make nut (23) break away from second lead screw (22), remove the fixed to mount pad (20), and then baffle (21) motion is kept away from in drive mount pad (20), make mount pad (20) pass through second lead screw (22), fixture block (18) break away from draw-in groove (17) simultaneously, the dismantlement of completion driving motor (16) that can be simple convenient, and then be convenient for carry out the later stage to driving motor (16) and overhaul.
8. The method for preparing the device capable of improving the production quality of the phthalic anhydride according to claim 7, wherein the method comprises the following steps: and the cleaning ring (5) in the S2 is an annular nylon brush.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011481975.2A CN112717442A (en) | 2020-12-17 | 2020-12-17 | Device capable of improving production quality of phthalic anhydride and preparation method thereof |
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| CN202011481975.2A CN112717442A (en) | 2020-12-17 | 2020-12-17 | Device capable of improving production quality of phthalic anhydride and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114018028A (en) * | 2021-12-08 | 2022-02-08 | 称意科技研发园(江苏)有限公司 | Integrated printing and dyeing drying equipment based on anhydrous textile printing and dyeing technology and use method thereof |
| CN114082721A (en) * | 2021-11-18 | 2022-02-25 | 青岛仟亿新材料科技有限公司 | Heating device for preventing quartz heating pipe from scaling |
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| CN206414771U (en) * | 2017-01-12 | 2017-08-18 | 茂名华粤华隆化工有限公司 | A kind of split type naphthalene evaporator for improving mass dryness fraction |
| CN206660626U (en) * | 2017-04-27 | 2017-11-24 | 唐山华熠实业股份有限公司 | A kind of naphthalene vaporizer with anti-coking function |
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