CN113790620B - Tubular heat exchanger is used in production of 3, 3-dimethyl butyraldehyde - Google Patents
Tubular heat exchanger is used in production of 3, 3-dimethyl butyraldehyde Download PDFInfo
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- CN113790620B CN113790620B CN202111358419.0A CN202111358419A CN113790620B CN 113790620 B CN113790620 B CN 113790620B CN 202111358419 A CN202111358419 A CN 202111358419A CN 113790620 B CN113790620 B CN 113790620B
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- heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
Abstract
The invention relates to a tube type heat exchanger for producing 3, 3-dimethylbutyraldehyde, belonging to the field of distillation and comprising a tank body, a tube plate, a heat exchange tube, a first inlet, a second inlet, a first outlet, a second outlet and a partition plate, wherein helical blades are rotatably arranged on the periphery of the heat exchange tube and are coaxial with the corresponding heat exchange tube, the inner periphery of each helical blade is in sliding contact and matching with the periphery of the corresponding heat exchange tube, the heat exchange tube is divided into a plurality of layers from inside to outside, the heat exchange tubes of each layer are uniformly distributed on the circumference, the rotating directions of the adjacent helical blades of each layer are opposite, and a driving device capable of driving the helical blades to rotate in the same direction is arranged on the tube plate. The rotary spiral blade can continuously scrape and clean the outer wall of the heat exchange tube, so that the outer wall of the heat exchange tube is prevented from scaling, and meanwhile, the fluidity of liquid at the periphery of the heat exchange tube can be increased through the rotary spiral blade, so that the heat exchange efficiency of the liquid at the inner side and the outer side of the heat exchange tube can be increased.
Description
Technical Field
The invention belongs to the field of distillation, and particularly relates to a tubular heat exchanger for producing 3, 3-dimethylbutyraldehyde.
Background
3, 3 dimethylbutyraldehyde is mainly used for synthesizing a key intermediate of sweetener neotame, in the production process, one or more times of distillation is needed, liquid separation is carried out by utilizing the principle that different liquids have different volatility under different conditions, the purification effect is achieved, volatilization of the liquids needs a reboiler to raise the temperature so as to partially vaporize the liquids, however, long-term operation of a tubular heat exchanger can cause equipment to be blocked by water scale, the efficiency is reduced, the energy consumption is increased, the service life is shortened, the heat exchange tube needs to be cleaned regularly, but at present, mechanical cleaning is not realized aiming at cleaning of the tubular heat exchange tube, particularly, the outer wall of the heat exchange tube is cleaned, manual cleaning operation of the outer wall of the heat exchange tube is tedious, and actual requirements cannot be met, so that the tubular heat exchanger for producing the 3, 3-dimethylbutyraldehyde is invented.
Disclosure of Invention
The invention provides a tubular heat exchanger for producing 3, 3-dimethylbutyraldehyde, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
the utility model provides a shell and tube heat exchanger is used in 3, 3-dimethyl butyraldehyde production, which comprises a tank body, the tube sheet, the heat exchange tube, first import, the second import, first export, second export and baffle, the periphery of heat exchange tube is rotated and is installed helical blade, helical blade is coaxial with the heat exchange tube that corresponds, helical blade's the interior periphery and the periphery sliding contact cooperation of heat exchange tube, the heat exchange tube divide into several layers from inside to outside, the even circumference of heat exchange tube on every layer distributes, every layer of adjacent helical blade turns to opposite, be equipped with on the tube sheet and drive helical blade syntropy pivoted drive arrangement.
As above a tubular heat exchanger is used in 3, 3-dimethylbutyraldehyde production, drive arrangement includes the pinion ring, the both ends of heat exchange tube periphery are movable suit pinion ring respectively, helical blade's both ends respectively with the pinion ring fixed connection that corresponds, the pinion ring rotates with the tube sheet that corresponds and is connected, be equipped with two inside and outside rings between the adjacent two-layer heat exchange tube, inside and outside ring gear rotates and installs on the tube sheet that corresponds, the pinion ring that the heat exchange tube in the outside corresponds meshes the cooperation with the periphery of inside and outside ring gear, the pinion ring that the heat exchange tube in the inboard corresponds meshes the cooperation with the interior circumference of inside and outside ring gear, fixed mounting driving motor on the tube sheet, fixed mounting gear in driving motor's the pivot, the gear meshes the cooperation with the periphery of inside and outside ring gear.
As mentioned above, the tubular heat exchanger for 3, 3-dimethylbutyraldehyde production, the number of the heat exchange tubes is even, the number of the heat exchange tubes in each layer is even, a box body is respectively arranged between the adjacent heat exchange tubes in each layer, the box body can only move left and right between the two tube plates, the two ends of the box body facing the heat exchange tubes are respectively provided with a first jack, the two sides of the box body facing the tube plates are respectively provided with a second jack, the first jacks are respectively internally provided with a first inserted bar, the second jacks are respectively internally provided with a second inserted bar, the inner ends of the first inserted bars are respectively and fixedly connected with one side of an elliptical bump, the other side of the elliptical bump is respectively and fixedly connected with one end of a first spring bar, the other ends of the two first spring bars are mutually and fixedly connected, the inner end of the periphery of the second inserted bar is provided with a stop block capable of preventing the inner end of the second inserted bar from moving out of the second jack, the inner ends of the second inserted bar are respectively provided with a wedge block in a sliding fit manner, the other end fixed connection of wedge and first spring beam, the direction inclined plane of two wedges is parallel to each other, and one side of oval lug is equipped with the baffle, and the inner of baffle and the side sliding contact cooperation of oval lug, baffle are connected through the second spring beam with the box body, and the outer end of first inserted bar can insert respectively in the helicla flute of the helical blade that corresponds, the outer end of second inserted bar can with the tube sheet contact cooperation that corresponds.
According to the tubular heat exchanger for producing the 3, 3-dimethylbutyraldehyde, the inner ends of the second inserting rods are respectively provided with spherical grooves, balls are movably arranged in the spherical grooves, the balls can only rotate in the corresponding spherical grooves, and the balls can roll along the guide inclined surfaces of the wedge-shaped blocks.
According to the tubular heat exchanger for producing the 3, 3-dimethylbutyraldehyde, one end of the tank body is closed, the other end of the tank body is provided with the seal head through the flange, and the partition plate is positioned at the closed end of the tank body.
The invention has the advantages that: the rotary spiral blade can continuously scrape and clean the outer wall of the heat exchange tube, so that the outer wall of the heat exchange tube is prevented from scaling, and meanwhile, the fluidity of liquid at the periphery of the heat exchange tube can be increased through the rotary spiral blade, so that the heat exchange efficiency of the liquid at the inner side and the outer side of the heat exchange tube can be increased. When the heat exchange tank is used, firstly, a heat medium (high-temperature steam or high-temperature water) is injected into the middle cavity of the tank body through the first inlet, the heat exchange tubes are heated when the heat medium flows through the peripheries of the heat exchange tubes, the heat medium is discharged out of the tank body through the first outlet, then, a material is injected into the lower cavity through the second inlet, the material in the lower cavity enters the left cavity through the heat exchange tubes at the lower part, then enters the upper cavity through the heat exchange tubes at the upper part and is discharged out of the tank body through the second outlet, when the material passes through the interior of the heat exchange tubes, the material exchanges heat with the heat medium, and the material is heated; electrify for drive arrangement, drive arrangement can drive helical blade syntropy and rotate, helical blade can constantly strike off the periphery of heat exchange tube, scrape the clearance to the outer wall of heat exchange tube, avoid the periphery scale deposit of heat exchange tube, helical blade's rotation simultaneously, can increase the mobility of heat exchange tube periphery hot-medium, can increase the heat transfer effect of hot-medium and material, and because every layer of adjacent helical blade revolves to opposite, adjacent helical blade can be to the direction conveying hot-medium of difference, can increase the degree of turbulence of hot-medium, thereby promote hot-medium's mixed effect, thereby reduce the difference in temperature between near hot-medium and near the hot-medium of first export near first import to a certain extent, thereby make hot-medium can be to heat exchange tube even heating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; fig. 4 is a partial enlarged view of ii of fig. 2.
Reference numerals: 1. the heat exchange tube comprises a tank body, 2, a tube plate, 3, a heat exchange tube, 4, a first inlet, 5, a second inlet, 6, a first outlet, 7, a second outlet, 8, a partition plate, 10, a helical blade, 20, a small toothed ring, 21, an inner toothed ring, an outer toothed ring, 22, a driving motor, 23, a gear, 24, a shaft hole, 30, a box body, 31, a sliding block, 32, a through hole, 33, a sliding rod, 34, a first insertion hole, 35, a second insertion hole, 36, a first insertion rod, 37, a second insertion rod, 38, an oval convex block, 39, a first spring rod, 310, a stop block, 311, a wedge-shaped block, 312, a baffle, 313, a second spring rod, 40, a spherical groove, 41, a sphere, 101 and a seal head.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A tubular heat exchanger for producing 3, 3-dimethylbutyraldehyde comprises a tank body 1, tube plates 2, heat exchange tubes 3, a first inlet 4, a second inlet 5, a first outlet 6, a second outlet 7 and a partition plate 8, wherein the two tube plates 2 are distributed bilaterally and symmetrically and are respectively and fixedly arranged on the tank body 1, the corresponding tube holes of the two tube plates 2 are connected through the heat exchange tubes 3, the two tube plates 2 divide the interior of the tank body 1 into a left cavity, a middle cavity and a right cavity, the partition plate 8 divides the right cavity into an upper cavity and a lower cavity, the left cavity and the right cavity are communicated through the heat exchange tubes 3, the first inlet 4, the first outlet 6 and the middle cavity are communicated, the second inlet 5 and the lower cavity are communicated, the second outlet 7 and the upper cavity are communicated, spiral blades 10 are rotatably arranged on the periphery of the heat exchange tubes 3, the spiral blades 10 are coaxial with the corresponding heat exchange tubes 3, the inner peripheries of the spiral blades 10 are in sliding contact fit with the outer peripheries of the heat exchange tubes 3, the heat exchange tube 3 is divided into a plurality of layers from inside to outside, the heat exchange tubes 3 on each layer are uniformly distributed on the circumference, the adjacent helical blades 10 on each layer have opposite rotation directions, and the tube plate 2 is provided with a driving device capable of driving the helical blades 10 to rotate in the same direction. The heat exchange tube has a simple structure and ingenious conception, the outer wall of the heat exchange tube 3 can be continuously scraped and cleaned through the rotating helical blade 10, the scaling of the outer wall of the heat exchange tube 3 is avoided, and meanwhile, the fluidity of liquid at the periphery of the heat exchange tube 3 can be increased through the rotating helical blade 10, so that the heat exchange efficiency of the liquid at the inner side and the outer side of the heat exchange tube 3 can be increased. When the heat exchange tank is used, firstly, a heat medium (high-temperature steam or high-temperature water) is injected into the middle cavity of the tank body 1 through the first inlet 4, the heat exchange tube 3 is heated when the heat medium flows through the periphery of the heat exchange tube 3, the heat medium is discharged out of the tank body 1 through the first outlet 6, then, a material is injected into the lower cavity through the second inlet 5, the material in the lower cavity enters the left cavity through the heat exchange tube 3 at the lower part, then enters the upper cavity through the heat exchange tube 3 at the upper part and is discharged out of the tank body 1 through the second outlet 7, and when the material passes through the interior of the heat exchange tube 3, the material exchanges heat with the heat medium, so that the material is heated; electrify for drive arrangement, drive arrangement can drive helical blade 10 syntropy and rotate, helical blade 10 can constantly strike off the periphery of heat exchange tube 3, scrape the clearance to the outer wall of heat exchange tube 3, avoid the periphery scale deposit of heat exchange tube 3, helical blade 10's rotation simultaneously, can increase the mobility of heat exchange tube 3 periphery heat medium, can increase the heat transfer effect of heat medium and material, and because every layer of adjacent helical blade 10 revolves to opposite, adjacent helical blade 10 can convey the heat medium to the direction of difference, can increase the degree of turbulence of heat medium, thereby promote the mixed effect of heat medium, thereby reduce the difference in temperature between heat medium near first import 4 and the heat medium near first export 6 to a certain extent, thereby make the heat medium can be to heat exchange tube 3 even heating.
Specifically, as shown in fig. 1, 2 and 4, the driving device of the present embodiment includes a small toothed ring 20, two ends of the outer periphery of the heat exchange tube 3 are respectively movably sleeved with the small toothed ring 20, the small toothed ring 20 is located between the two tube plates 2, two ends of the helical blade 10 are respectively fixedly connected with the corresponding small toothed ring 20, the small toothed ring 20 is rotatably connected with the corresponding tube plate 2, one side of the small toothed ring 20 close to the helical blade 10 is fixedly connected with one end corresponding to the helical blade 10, one side of the small toothed ring 20 away from the helical blade 10 is rotatably connected with the corresponding tube plate 2 through a bearing, two inner and outer toothed rings 21 are disposed between two adjacent layers of heat exchange tubes 3, the inner and outer toothed rings 21 are rotatably mounted on the corresponding tube plates 2, the small toothed ring 20 corresponding to the outer heat exchange tube 3 is engaged with the outer periphery of the inner and outer toothed rings 21, the small toothed ring 20 corresponding to the inner heat exchange tube 3 is engaged with the inner periphery of the inner and outer toothed ring 21, fixed mounting driving motor 22 on tube sheet 2, fixed mounting gear 23 in driving motor 22's the pivot, gear 23 and the outer periphery meshing cooperation of interior outer ring gear 21, set up shaft hole 24 on tube sheet 2, the periphery of the interior week of shaft hole 24 and driving motor 22 pivot is passed through sealed bearing and is rotated and be connected, driving motor 22 fixed mounting is in the one side that tube sheet 2 carried on the back mutually, two driving motor 22 are located right chamber and left intracavity respectively, driving motor 22 is high temperature resistant waterproof motor. The driving motors 22 on the two sides are simultaneously electrified, the rotating shaft of the driving motor 22 drives the gear 23 to synchronously rotate in the same direction, the gear 23 drives the inner and outer gear rings 21 to rotate, the inner and outer gear rings 21 drive the corresponding small gear rings 20 and the corresponding spiral blades 10 to synchronously rotate in the same direction, the spiral blades 10 corresponding to each layer of heat exchange tube 3 have the same rotating direction and the same rotating speed, and the rotating speed of the spiral blades 10 from inside to outside is gradually increased.
Specifically, as shown in fig. 1, 2, 3, and 4, in this embodiment, the number of the heat exchange tubes 3 is even, the number of the heat exchange tubes 3 in each layer is even, a box body 30 is respectively disposed between adjacent heat exchange tubes 3 in each layer, the box body 30 can only move left and right between two tube plates 2, a slider 31 is fixedly mounted on one side of the box body 30 away from the axis of the tube plate 2, two through holes 32 are disposed on the slider 31, a slide bar 33 is slidably mounted in the through holes 32, the slide bar 33 can only move left and right along the through holes 32, two ends of the slide bar 33 are respectively fixedly connected with the corresponding tube plates 2, two ends of the box body 30 facing the heat exchange tubes 3 are respectively provided with a first insertion hole 34, two sides of the box body 30 facing the tube plates 2 are respectively provided with a second insertion hole 35, a first insertion rod 36 is respectively disposed in the first insertion hole 34, a second insertion rod 37 is respectively disposed in the second insertion hole 35, an outer periphery of the first insertion rod 36 is in sliding contact fit with an inner periphery of the first insertion hole 34, the periphery of the second inserting rod 37 is in sliding contact fit with the periphery of the second inserting hole 35, the inner ends of the first inserting rods 36 are respectively and fixedly connected with one side of an elliptical bump 38, the other side of the elliptical bump 38 is respectively and fixedly connected with one end of a first spring rod 39, the other ends of the two first spring rods 39 are mutually and fixedly connected, the inner end of the periphery of the second inserting rod 37 is provided with a stop 310 capable of preventing the inner end of the second inserting rod 37 from moving out of the second inserting hole 35, the inner end of the second inserting rod 37 is respectively provided with a wedge block 311 in sliding fit, the wedge block 311 is fixedly connected with the other end of the first spring rod 39, the guide inclined planes of the two wedge blocks 311 are mutually parallel, the inner end of the second inserting rod 37 can slide along the guide inclined plane of the corresponding wedge block 311, one side of the elliptical bump 38 is provided with a baffle 312, the inner end of the baffle 312 is in sliding contact fit with the side face of the elliptical bump 38, the baffle 312 is connected with the box body 30 through the second spring rod 313, the outer ends of the first inserted rods 36 can be respectively inserted into the spiral grooves of the corresponding spiral blades 10, when the outer end of the first inserted rod 36 on one side of the same box body 30 is positioned in the spiral groove of the corresponding spiral blade 10, the outer end of the first inserted rod 36 on the other side is pulled out of the spiral groove of the corresponding spiral blade 10, and the outer end of the second inserted rod 37 can be in contact fit with the corresponding tube plate 2. Because the outer end of the first plunger 36 on one side of the box 30 is located in the corresponding spiral groove of the spiral blade 10, when the spiral blade 10 rotates, the spiral blade 10 can drive the first plunger 36 and the box 30 to move leftwards or rightwards, when the box 30 moves rightwards, the outer end of the second plunger 37 on the right side contacts and matches with the left side of the tube plate 2 on the right side, as the box 30 continues moving rightwards, the tube plate 2 forms a leftward thrust on the second plunger 37, the second plunger 37 moves leftwards along the second insertion hole 35, the inner end of the second plunger 37 slides along the guide inclined plane of the wedge block 311 on the right side, and forms a thrust towards one end of the box 30 on the wedge block 311, because the baffle 312 blocks the elliptical bump 38, the wedge block 311 drives the other end of the first spring rod 39 to move, so that the first spring rod 39 on one side is stretched, the first spring rod 39 on the other side is squeezed, and the elliptical bump 38 forms a thrust on the corresponding baffle 312, the second spring bar 313 is compressed, the thrust of the elliptical convex block 38 to the baffle 312 is increased as the box body 30 continues to move rightwards, until the elliptical convex block 38 pushes the baffle 312 to move to the outermost side, the elliptical convex block 38 moves rapidly from one side of the baffle 312 to the other side, the outer end of the first inserted bar 36 on one side moves out of the spiral groove of the corresponding spiral blade 10, the outer end of the first inserted bar 36 on the other side inserts into the spiral groove of the corresponding spiral blade 10, the outer ends of the two first inserted bars 36 on the same box body 30 are not located in the spiral groove of the corresponding spiral blade 10 at the same time, because the rotation directions of the two spiral blades 10 corresponding to the two ends of the box body 30 are opposite, the spiral blade 10 can drive the box body 30 to move leftwards through the first inserted bar 36 on the side along with the rotation of the spiral blade 10, the above process is carried out in reverse order, and the outer end of the second inserted bar 37 on the left side is in contact fit with the right side of the tube plate 2 on the left side, the second inserting rod 37 pushes the wedge-shaped block 311 on the left side, so that the outer end of the first inserting rod 36 on the other side moves out of the spiral groove of the corresponding spiral blade 10, and the outer end of the first inserting rod 36 on one side is inserted into the spiral groove of the corresponding spiral blade 10, so that the box body 30 can continuously reciprocate left and right, and when the spiral blade 10 drives the first inserting rod 36 to move, the first inserting rod 36 can remove scales in the spiral groove of the spiral blade 10, so that the spiral blade 10 can be continuously cleaned, and the scales are prevented from being blocked in the spiral groove of the spiral blade 10; meanwhile, the box body 30 continuously moves left and right, so that the turbulence degree of the heat medium can be further increased, the heat medium is stirred, and dead angle accumulation of the heat medium is avoided.
Further, as shown in fig. 3, in the embodiment, the inner ends of the second inserting rods 37 are respectively provided with spherical grooves 40, spherical balls 41 are movably installed in the spherical grooves 40, the spherical balls 41 can only rotate in the corresponding spherical grooves 40, and the spherical balls 41 can roll along the guide inclined surfaces of the wedge blocks 311. The ball 41 rolls along the guide inclined surface of the wedge-shaped block 311, so that the inner end of the second inserting rod 37 is prevented from sliding along the guide inclined surface of the wedge-shaped block 311, sliding friction is converted into rolling friction, friction is reduced, and abrasion between the wedge-shaped block 311 and the second inserting rod 37 is reduced.
Furthermore, as shown in fig. 1, in the embodiment, one end of the tank body 1 is closed, the other end of the tank body is provided with a seal head 101 through a flange, and the partition plate 8 is located at the closed end of the tank body 1. Through dismantling head 101, be convenient for clear up heat exchange tube 3 inner wall, baffle 8 is located jar 1 blind end, and the baffle 8 of being convenient for separates into epicoele and lower chamber with the right chamber.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a shell and tube heat exchanger is used in production of 3, 3-dimethylbutyraldehyde, includes jar body (1), tube sheet (2), heat exchange tube (3), first import (4), second import (5), first export (6), second export (7) and baffle (8), its characterized in that: the spiral blades (10) are rotatably arranged on the periphery of the heat exchange tube (3), the spiral blades (10) are coaxial with the corresponding heat exchange tube (3), the inner periphery of each spiral blade (10) is in sliding contact fit with the periphery of the heat exchange tube (3), the heat exchange tube (3) is divided into a plurality of layers from inside to outside, the heat exchange tubes (3) on each layer are uniformly distributed circumferentially, the rotating directions of the adjacent spiral blades (10) on each layer are opposite, and a driving device capable of driving the spiral blades (10) to rotate in the same direction is arranged on the tube plate (2); the heat exchange tubes (3) are even in number, the heat exchange tubes (3) on each layer are even in number, a box body (30) is arranged between every two adjacent heat exchange tubes (3), the box body (30) can only move left and right between the two tube plates (2), first insertion holes (34) are respectively formed in the two ends, facing the heat exchange tubes (3), of the box body (30), second insertion holes (35) are respectively formed in the two sides, facing the tube plates (2), of the box body (30), first insertion rods (36) are respectively arranged in the first insertion holes (34), second insertion rods (37) are respectively arranged in the second insertion holes (35), the inner ends of the first insertion rods (36) are respectively and fixedly connected with one side of an oval convex block (38), the other sides of the oval convex blocks (38) are respectively and fixedly connected with one end of a first spring rod (39), the other ends of the two first spring rods (39) are mutually and fixedly connected, and the inner ends of the periphery of the second insertion rods (37) are provided with a structure capable of preventing the inner ends of the second insertion rods (37) from moving inwards from the second insertion holes (35) The inner ends of the second insertion rods (37) are respectively provided with a wedge block (311) in a sliding fit mode, the wedge blocks (311) are fixedly connected with the other end of the first spring rod (39), the guide inclined planes of the two wedge blocks (311) are parallel to each other, one side of each oval bump (38) is provided with a baffle (312), the inner ends of the baffles (312) are in sliding contact fit with the side surface of each oval bump (38), the baffles (312) are connected with the box body (30) through the second spring rods (313), the outer ends of the first insertion rods (36) can be respectively inserted into the spiral grooves of the corresponding spiral blades (10), and the outer ends of the second insertion rods (37) can be in contact fit with the corresponding tube plates (2); the driving device comprises small toothed rings (20), the two ends of the periphery of the heat exchange tubes (3) are respectively movably sleeved with the small toothed rings (20), the two ends of each helical blade (10) are respectively fixedly connected with the corresponding small toothed rings (20), the small toothed rings (20) are rotatably connected with the corresponding tube plates (2), two inner and outer toothed rings (21) are arranged between every two adjacent layers of heat exchange tubes (3), the inner and outer toothed rings (21) are rotatably installed on the corresponding tube plates (2), the small toothed rings (20) corresponding to the heat exchange tubes (3) on the outer side are meshed with the peripheries of the inner and outer toothed rings (21), the small toothed rings (20) corresponding to the heat exchange tubes (3) on the inner side are meshed with the inner peripheries of the inner and outer toothed rings (21), driving motors (22) are fixedly installed on the tube plates (2), gears (23) are fixedly installed on rotating shafts of the driving motors (22), and the gears (23) are meshed with the peripheries of the inner and outer toothed rings (21).
2. The tubular heat exchanger for producing 3, 3-dimethylbutyraldehyde according to claim 1, characterized in that: spherical grooves (40) are respectively formed in the inner ends of the second inserting rods (37), balls (41) are movably mounted in the spherical grooves (40), the balls (41) can only rotate in the corresponding spherical grooves (40), and the balls (41) can roll along the guide inclined planes of the wedge blocks (311).
3. The tubular heat exchanger for producing 3, 3-dimethylbutyraldehyde according to claim 1, characterized in that: one end of the tank body (1) is closed, the other end of the tank body is provided with a seal head (101) through a flange, and the partition plate (8) is positioned at the closed end of the tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111358419.0A CN113790620B (en) | 2021-11-17 | 2021-11-17 | Tubular heat exchanger is used in production of 3, 3-dimethyl butyraldehyde |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111358419.0A CN113790620B (en) | 2021-11-17 | 2021-11-17 | Tubular heat exchanger is used in production of 3, 3-dimethyl butyraldehyde |
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| CN113790620A CN113790620A (en) | 2021-12-14 |
| CN113790620B true CN113790620B (en) | 2022-03-11 |
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| CN114797142B (en) * | 2022-03-22 | 2023-10-24 | 浙江三江化工新材料有限公司 | Ethylene oxide low pressure condensate aftertreatment system |
| CN116412699B (en) * | 2023-04-14 | 2024-04-02 | 浙江广涛卫厨有限公司 | Detachable heat exchanger |
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| CN214114983U (en) * | 2020-10-26 | 2021-09-03 | 福州美能水处理设备有限公司 | Solar ultraviolet sterilizer |
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2021
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| CN111807078A (en) * | 2020-07-04 | 2020-10-23 | 河北世轩科技有限公司 | Material transfer device in bottled mushroom sauce production process |
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Denomination of invention: A tubular heat exchanger for the production of 3,3-dimethylbutanal Effective date of registration: 20230420 Granted publication date: 20220311 Pledgee: Shandong Lijin Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Benyue Biotechnology Co.,Ltd. Registration number: Y2023980038550 |