CN214306073U - Improvement equipment of crotonaldehyde production technology - Google Patents

Abstract

The utility model provides an improved equipment of crotonaldehyde production technology, including the improved equipment casing, the gaseous hole that advances of heat transfer, the gaseous hole that portates of heat transfer, the hoisting ring, the spliced eye can support protection fixing base structure, but the sealing tube structure of rotatable coupling, but the grafting dismantles and maintains heat transfer pipeline structure, the gaseous inlet pipeline of heat transfer, the gaseous outlet pipeline of heat transfer, the feed port, the discharge opening, the backup pad, the gaseous water conservancy diversion hole of heat transfer separates cotton layer of temperature bubble and waterproof coating, the gaseous hole that advances of heat transfer set up the left side intermediate position at the improved equipment casing. The utility model discloses T type lid, connecting rod, dead lever, cup joint pipe, the mixed liquid heat transfer pipeline of crotonaldehyde, the setting of improve equipment casing and spliced eye is favorable to the in-process that uses through T type lid and spliced eye grafting setting, conveniently carries out the mixed liquid heat transfer pipeline of crotonaldehyde and dismantles work at service function's in-process, is favorable to carrying out maintenance work.

Description

Improvement equipment of crotonaldehyde production technology

Technical Field

The utility model belongs to the technical field of crotonaldehyde production facility, especially, relate to an improve equipment of crotonaldehyde production technology.

Background

Crotonaldehyde is a colorless or light yellow liquid, is an important chemical raw material, is mainly used for industrially preparing chemical products such as butyraldehyde, butanol, 2-ethylhexanol, sorbic acid and the like, acetaldehyde is subjected to aldol condensation reaction under the action of an alkaline catalyst to generate 3-hydroxybutyraldehyde, the 3-hydroxybutyraldehyde is heated and dehydrated under an acidic condition to generate crotonaldehyde, and in an improved process for recovering the crotonaldehyde, crotonaldehyde mixed liquid needs to be subjected to heat exchange treatment.

However, the existing improved equipment for the production process has the problems that the maintenance work is inconvenient to carry out in the use process, the supporting and protecting work is inconvenient to carry out in the use process, and the connection is inconvenient to carry out in the use process.

Therefore, the invention of an improved apparatus for crotonaldehyde production process is necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improved equipment of crotonaldehyde production technology to the improved equipment who solves current production technology still has the in-process inconvenient maintenance work that carries on of using, and inconvenient in-process that uses supports protection work and inconvenient in carries out the problem of connecting. The improved equipment for the crotonaldehyde production process comprises an improved equipment shell, a heat exchange gas inlet hole, a heat exchange gas outlet hole, a hoisting ring, an inserting hole, a supportable protective fixing seat structure, a rotatable connecting sealing tube structure, an inserting, disassembling and maintaining heat exchange pipeline structure, a heat exchange gas inlet pipeline, a heat exchange gas outlet pipeline, a feeding hole, a discharging hole, a supporting plate, a heat exchange gas diversion hole, a heat insulation foam layer and a waterproof coating, wherein the heat exchange gas inlet hole is formed in the middle position of the left side of the improved equipment shell; the heat exchange gas outlet is formed in the middle of the right side of the improved equipment shell; the hoisting rings are respectively welded at the middle positions of the left side and the right side of the improved equipment shell; the plug hole is formed in the right side of the upper end of the improved equipment shell; the supportable protection fixing seat structure is arranged in the middle of the lower end of the improved equipment shell; the rotatable connecting sealing pipe structures are respectively arranged in the feeding hole and the discharging hole; the pluggable detachable maintenance heat exchange pipeline structure is arranged in the middle position inside the improved equipment shell; the heat exchange gas inlet pipeline is in threaded connection with the middle position inside the left side of the heat exchange gas inlet hole; the heat exchange gas outlet pipeline is in threaded connection with the middle position inside the right side of the heat exchange gas outlet hole; the feeding hole is formed in the middle of the left side of the upper end of the improved equipment shell; the discharge hole is formed in the middle of the right side of the lower end of the improved equipment shell; the supporting plates are respectively bolted at the middle positions of the left side and the right side of the inner wall of the improved equipment shell; the heat exchange gas diversion holes are sequentially formed in the supporting plate from top to bottom; the thermal insulation foam layer is glued to the inner wall of the improved equipment shell; the waterproof coating is coated on the inner wall of the thermal insulation foam layer; the supportable protection fixing seat structure comprises a supporting seat, shielding protection plates, a supporting rod, a locking nut, a supporting tube and a base, wherein the shielding protection plates are respectively bolted on the left side and the right side of the front of the upper end of the supporting seat and the left side and the right side of the back of the upper end of the supporting seat; the upper ends of the supporting rods are respectively connected to the four corners of the lower end of the supporting seat through bolts; the locking nuts are respectively in threaded connection with the upper parts of the outer walls of the supporting rods; the lower end of the supporting rod is in threaded connection with the middle position inside the upper side of the supporting tube; the base is in threaded connection with the middle position inside the lower side of the supporting tube.

Preferably, the rotatable connecting sealing pipe structure comprises a connecting pipe, a fixed pipe, a sealing ring, a metal hose and a guide pipe, wherein the upper end of the connecting pipe is welded at the middle position of the lower end of the fixed pipe; the sealing ring is sleeved on the outer wall of the connecting pipe in a sliding manner; the upper end of the metal hose is in threaded connection with the outer wall of the lower end of the connecting pipe; the lower end of the metal hose is in threaded connection with the outer wall of the upper end of the guide pipe.

Preferably, the pluggable, detachable and maintainable heat exchange pipeline structure comprises a T-shaped cover, a connecting rod, a fixed rod, a sleeve pipe and a crotonaldehyde mixed liquid heat exchange pipeline, wherein the upper end of the connecting rod is respectively bolted on the left side and the right side of the lower end of the T-shaped cover; the lower end of the connecting rod is connected with the middle position of the upper end of the fixing rod through a bolt; two ends of the fixed rod are respectively bolted at the middle positions of the left side and the right side of the sleeve pipe; the sleeve pipe is sequentially sleeved on the outer wall of the crotonaldehyde mixed liquid heat exchange pipeline from left to right.

Preferably, the feeding hole is arranged on the left side of the inserting hole; the heat exchange gas inlet hole and the heat exchange gas outlet hole are correspondingly arranged; the feeding hole and the discharging hole are respectively communicated with the interior of the improved equipment shell; the hoisting rings are respectively arranged at the upper ends of the heat exchange gas inlet pipeline and the heat exchange gas outlet pipeline.

Preferably, the shielding and protecting plate is a rectangular stainless steel plate; the locking nut is arranged at the upper end of the supporting tube and is in contact arrangement with the supporting tube; the base adopts the stainless steel seat that the bottom is provided with the non-skid projections.

Preferably, the improved equipment shell is connected to the upper end of the supporting seat through a bolt; the shielding protection plates are respectively arranged on the left and right sides of the lower part of the front surface and the left and right sides of the lower part of the rear surface of the improved equipment shell; the supporting seat is arranged on the left side of the discharge hole.

Preferably, the sealing ring is a silica gel ring; the connecting pipe and the fixed pipe are arranged in a T shape; the guide pipe adopts an inverted T-shaped pipe.

Preferably, the connecting pipe penetrates through the feeding hole and the discharging hole respectively; the sealing ring is respectively arranged at the inner rings of the feeding hole and the discharging hole and is arranged in a bonding way.

Preferably, the crotonaldehyde mixed liquid heat exchange pipeline adopts a serpentine coil, and two ends of the crotonaldehyde mixed liquid heat exchange pipeline are respectively provided with a thread; the fixed rod is a conical stainless steel rod; the T-shaped cover is arranged at the upper end of the crotonaldehyde mixed liquid heat exchange pipeline.

Preferably, the crotonaldehyde mixed liquid heat exchange pipeline is inserted into the improved equipment shell; the T-shaped cover is inserted in the insertion hole and is arranged in a bolt connection mode, and a rubber ring is arranged at the connection position.

Preferably, the fixed pipe is respectively in threaded connection with the outer wall of the left side of the upper end and the outer wall of the right side of the upper end of the crotonaldehyde mixed liquid heat exchange pipeline; the connecting pipe is communicated with the crotonaldehyde mixed liquid heat exchange pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, T type lid, the connecting rod, the dead lever, the pipe is cup jointed, the mixed liquid heat transfer pipeline of crotonaldehyde, the setting of improve equipment casing and spliced eye is favorable to in-process through T type lid and spliced eye grafting setting using, conveniently carries out the mixed liquid heat transfer pipeline of crotonaldehyde and dismantles work at service function's in-process, is favorable to maintaining maintenance work.

2. The utility model discloses in, the supporting seat, shelter from the guard plate, the bracing piece, the setting of stay tube and base and improve equipment casing is favorable to carrying out the work of improving equipment casing support at the in-process that uses, the in-process that conveniently uses carries out the installation of improve equipment casing and fixed work.

3. The utility model discloses in, the connecting pipe, fixed pipe, metal collapsible tube, the guide tube, the mixed liquid heat transfer pipeline of crotonaldehyde, the improve equipment casing, the setting of feed port and discharge opening is favorable to setting up through fixed pipe and the mixed liquid heat transfer pipeline threaded connection of crotonaldehyde in the in-process that uses to and rotate metal collapsible tube's angle at the in-process of installation, the convenient in-process that uses carries out equipment connection work.

4. The utility model discloses in, T type lid, connecting rod, dead lever, the setting of the mixed liquid heat transfer pipeline of bell and spigot joint and crotonaldehyde is favorable to carrying out the mixed liquid heat transfer pipeline of crotonaldehyde and hanging the stationary work at the in-process that uses, prevent to influence work at the in-process crotonaldehyde mixed liquid heat transfer pipeline slip that uses.

5. The utility model discloses in, the supporting seat, shelter from the guard plate, the bracing piece, lock nut, the setting of stay tube and base is favorable to loosening lock nut at the in-process that uses, then rotates the stay tube, conveniently adjusts the height of improve equipment casing at the in-process of installation, increases regulatory function.

6. The utility model discloses in, the connecting pipe, fixed pipe, the sealing washer, the improve equipment casing, the setting of feed port and discharge opening is favorable to setting up the inner circle at feed port and discharge opening through the sealing washer at the in-process that uses, the convenient in-process that uses carries out sealing work.

7. The utility model discloses in, the supporting seat, shelter from the guard plate, the bracing piece, the setting of improve equipment casing and hoisting ring is favorable to carrying out the improve equipment casing and sheltering from work through sheltering from the guard plate at the in-process that uses, conveniently carries out improve equipment casing fixed mounting work at the in-process of installation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the supportable protection fixing base structure of the present invention.

Fig. 3 is a schematic structural diagram of the rotatable connecting sealing tube structure of the present invention.

Fig. 4 is a schematic structural diagram of the heat exchange pipeline structure for plugging, disassembling and maintaining of the present invention.

In the figure:

1. improving the equipment shell; 2. heat exchange gas inlet holes; 3. a heat exchange gas outlet hole; 4. hoisting a ring; 5. inserting holes; 6. can support the protective fixed seat structure; 61. a supporting seat; 62. shielding the protection plate; 63. A support bar; 64. locking the nut; 65. supporting a tube; 66. a base; 7. the sealing pipe structure can be connected in a rotating way; 71. a connecting pipe; 72. a fixed tube; 73. a seal ring; 74. a metal hose; 75. a delivery pipe; 8. the heat exchange pipeline structure can be spliced, disassembled and maintained; 81. a T-shaped cover; 82. a connecting rod; 83. fixing the rod; 84. sleeving a pipe; 85. a crotonaldehyde mixed liquid heat exchange pipeline; 9. a heat exchange gas inlet conduit; 10. a heat exchange gas outlet conduit; 11. a feed port; 12. a discharge hole; 13. a support plate; 14. heat exchange gas diversion holes; 15. a thermal insulation foam layer; 16. and (3) a waterproof coating.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an improved device of crotonaldehyde production process comprises an improved device shell 1, a heat exchange gas inlet 2, a heat exchange gas outlet 3, a hoisting ring 4, an inserting hole 5, a supportable protective fixing seat structure 6, a rotatable connecting sealing pipe structure 7, a pluggable detachable maintenance heat exchange pipeline structure 8, a heat exchange gas inlet pipeline 9, a heat exchange gas outlet pipeline 10, a feeding hole 11, a discharging hole 12, a supporting plate 13, a heat exchange gas diversion hole 14, a thermal insulation foam layer 15 and a waterproof coating 16, wherein the heat exchange gas inlet 2 is arranged at the middle position on the left side of the improved device shell 1; the heat exchange gas outlet 3 is formed in the middle of the right side of the improved equipment shell 1; the hoisting rings 4 are respectively welded at the middle positions of the left side and the right side of the improved equipment shell 1; the plug hole 5 is formed in the right side of the upper end of the improved equipment shell 1; the supportable protection fixed seat structure 6 is arranged in the middle of the lower end of the improved equipment shell 1; the rotatable connecting sealing pipe structures 7 are respectively arranged in the feeding hole 11 and the discharging hole 12; the pluggable detachable maintenance heat exchange pipeline structure 8 is arranged in the middle position inside the improved equipment shell 1; the heat exchange gas inlet pipeline 9 is in threaded connection with the middle position inside the left side of the heat exchange gas inlet hole 2; the heat exchange gas outlet pipeline 10 is in threaded connection with the middle position inside the right side of the heat exchange gas outlet hole 3; the feeding hole 11 is formed in the middle of the left side of the upper end of the improved equipment shell 1; the discharge hole 12 is formed in the middle of the right side of the lower end of the improved equipment shell 1; the supporting plates 13 are respectively bolted at the middle positions of the left side and the right side of the inner wall of the improved equipment shell 1; the heat exchange gas diversion holes 14 are sequentially formed in the supporting plate 13 from top to bottom; the thermal insulation foam layer 15 is glued to the inner wall of the improved equipment shell 1; the waterproof coating 16 is coated on the inner wall of the thermal insulation foam layer 15; the supportable protective fixing seat structure 6 comprises a supporting seat 61, a shielding protective plate 62, a supporting rod 63, a locking nut 64, a supporting pipe 65 and a base 66, wherein the shielding protective plate 62 is respectively bolted on the left and right sides of the front of the upper end of the supporting seat 61 and the left and right sides of the back of the upper end; the upper ends of the supporting rods 63 are respectively bolted at the four corners of the lower end of the supporting seat 61; the locking nuts 64 are respectively in threaded connection with the upper parts of the outer walls of the supporting rods 63; the lower end of the supporting rod 63 is in threaded connection with the middle position of the upper inner part of the supporting pipe 65; the base 66 is in threaded connection with the middle position inside the lower side of the supporting tube 65; when using, place improve equipment housing 1 in suitable position, then use outside pipeline intercommunication equipment, then loosen lock nut 64 according to the working requirement, rotate stay tube 65, set up through stay tube 65 and bracing piece 63 threaded connection, adjusted the height of improving equipment housing 1, screwed up lock nut 64, the convenient in-process that uses is adjusted work.

In this embodiment, referring to fig. 3, the rotatable connecting and sealing pipe structure 7 includes a connecting pipe 71, a fixing pipe 72, a sealing ring 73, a metal hose 74 and a guiding pipe 75, wherein the upper end of the connecting pipe 71 is welded at the middle position of the lower end of the fixing pipe 72; the sealing ring 73 is sleeved on the outer wall of the connecting pipe 71 in a sliding manner; the upper end of the metal hose 74 is in threaded connection with the outer wall of the lower end of the connecting pipe 71; the lower end of the metal hose 74 is in threaded connection with the outer wall of the upper end of the guide pipe 75; then, the metal hose 74 is rotated during installation and use, and the guide pipe 75 is driven to rotate, so that the guide pipe 75 is connected with an external pipeline, the rotation connection work during use is facilitated, and the installation, the disassembly and the maintenance work during use are facilitated, and then the work is carried out.

In this embodiment, as shown in fig. 4, the pluggable, detachable, maintainable heat exchange pipeline structure 8 includes a T-shaped cover 81, a connecting rod 82, a fixing rod 83, a sleeve 84, and a crotonaldehyde mixed liquid heat exchange pipeline 85, wherein the upper end of the connecting rod 82 is respectively bolted to the left and right sides of the lower end of the T-shaped cover 81; the lower end of the connecting rod 82 is bolted at the middle position of the upper end of the fixing rod 83; two ends of the fixed rod 83 are respectively bolted at the middle positions of the left side and the right side of the sleeve 84; the sleeve 84 is sequentially sleeved on the outer wall of the crotonaldehyde mixed liquid heat exchange pipeline 85 from left to right; the in-process that uses is through T type lid 81 and 5 grafting settings of spliced eye, and through fixed pipe 72 and the mixed liquid heat transfer pipeline 85 threaded connection setting of crotonaldehyde simultaneously, the in-process that conveniently uses carries out the mixed liquid heat transfer pipeline 85 work of dismantling of crotonaldehyde, is favorable to dismantling the maintenance work at the in-process that uses, and then accomplishes the work.

In this embodiment, specifically, the feeding hole 11 is disposed at the left side of the inserting hole 5; the heat exchange gas inlet hole 2 and the heat exchange gas outlet hole 3 are correspondingly arranged; the feeding hole 11 and the discharging hole 12 are respectively communicated with the interior of the improved equipment shell 1; the hoisting ring 4 is respectively arranged at the upper ends of the heat exchange gas inlet pipeline 9 and the heat exchange gas outlet pipeline 10.

In this embodiment, specifically, the shielding and protecting plate 62 is a rectangular stainless steel plate; the locking nut 64 is arranged at the upper end of the supporting pipe 65 and is in contact with the supporting pipe; the base 66 is a stainless steel base with anti-skid projections at the bottom.

In this embodiment, specifically, the improved device housing 1 is bolted to the upper end of the support seat 61; the shielding protection plates 62 are respectively arranged on the left and right sides of the lower part of the front surface and the left and right sides of the lower part of the rear surface of the improved equipment shell 1; the support seat 61 is arranged on the left side of the discharge hole 12.

In this embodiment, specifically, the sealing ring 73 is a silica gel ring; the connecting pipe 71 and the fixing pipe 72 are arranged in a T shape; the guiding and conveying pipe 75 is an inverted T-shaped pipe.

In this embodiment, specifically, the connecting pipe 71 penetrates through the feeding hole 11 and the discharging hole 12 respectively; the sealing ring 73 is respectively arranged at the inner rings of the feeding hole 11 and the discharging hole 12 and is arranged in a bonding way.

In this embodiment, specifically, the crotonaldehyde mixed liquid heat exchange pipeline 85 adopts a serpentine coil pipe, and two ends of the coiled pipe are respectively provided with a thread; the fixed rod 83 is a conical stainless steel rod; the T-shaped cover 81 is arranged at the upper end of the crotonaldehyde mixed liquid heat exchange pipeline 85.

In this embodiment, specifically, the crotonaldehyde mixed liquid heat exchange pipeline 85 is inserted into the improved device housing 1; the T-shaped cover 81 is inserted in the insertion hole 5 and is arranged in a bolt connection mode, and a rubber ring is arranged at the connection position.

In this embodiment, specifically, the fixed pipe 72 is respectively screwed on the outer wall of the left side of the upper end and the outer wall of the right side of the upper end of the crotonaldehyde mixed liquid heat exchange pipe 85; the connecting pipe 71 is communicated with the crotonaldehyde mixed liquid heat exchange pipeline 85.

Principle of operation

In the utility model, when in use, the improved device shell 1 is placed at a proper position, then the external pipeline communicating device is used, then the locking nut 64 is loosened according to the working requirement, the supporting tube 65 is rotated, the height of the improved device shell 1 is adjusted through the threaded connection arrangement of the supporting tube 65 and the supporting rod 63, the locking nut 64 is screwed, the adjustment work is convenient in the use process, then the metal hose 74 is rotated in the installation and use process and simultaneously the guiding tube 75 is driven to rotate, then the guiding tube 75 is connected with the external pipeline, the rotation connection work is convenient in the use process, the installation and the disassembly maintenance work are facilitated in the use process, then the work is carried out, the T-shaped cover 81 and the inserting hole 5 are inserted in the use process, and simultaneously the threaded connection arrangement is carried out through the fixed tube 72 and the crotonaldehyde mixed liquid heat exchange pipeline 85, the work of dismantling crotonaldehyde mixed liquid heat exchange pipeline 85 is conveniently carried out in the use process, and the work of dismantling and maintaining in the use process is facilitated, so that the work is completed.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The improved equipment for the crotonaldehyde production process comprises an improved equipment shell (1), a heat exchange gas inlet hole (2), a heat exchange gas outlet hole (3), a hoisting ring (4), an insertion hole (5), a supportable protective fixing seat structure (6), a rotatable connecting sealing tube structure (7), a pluggable detachable maintenance heat exchange pipeline structure (8), a heat exchange gas inlet pipeline (9), a heat exchange gas outlet pipeline (10), a feed hole (11), a discharge hole (12), a support plate (13), a heat exchange gas guide hole (14), a temperature-insulating foam layer (15) and a waterproof coating (16), wherein the heat exchange gas inlet hole (2) is formed in the middle position of the left side of the improved equipment shell (1); the heat exchange gas outlet (3) is formed in the middle of the right side of the improved equipment shell (1); the hoisting rings (4) are respectively welded at the middle positions of the left side and the right side of the improved equipment shell (1); the plug hole (5) is formed in the right side of the upper end of the improved equipment shell (1); the heat exchange gas inlet pipeline (9) is in threaded connection with the middle position inside the left side of the heat exchange gas inlet hole (2); the heat exchange gas outlet pipeline (10) is in threaded connection with the middle position inside the right side of the heat exchange gas outlet hole (3); the feeding hole (11) is formed in the middle of the left side of the upper end of the improved equipment shell (1); the discharge hole (12) is formed in the middle of the right side of the lower end of the improved equipment shell (1); the supporting plates (13) are respectively bolted at the middle positions of the left side and the right side of the inner wall of the improved equipment shell (1); the heat exchange gas diversion holes (14) are sequentially formed in the supporting plate (13) from top to bottom; the thermal insulation foam layer (15) is glued to the inner wall of the improved equipment shell (1); the waterproof coating (16) is coated on the inner wall of the thermal insulation foam layer (15); the crotonaldehyde production process is characterized in that the supportable protection fixed seat structure (6) in the improved equipment of the crotonaldehyde production process is arranged in the middle position of the lower end of the improved equipment shell (1); the rotatable connecting sealing pipe structure (7) is respectively arranged in the feeding hole (11) and the discharging hole (12); the pluggable detachable maintenance heat exchange pipeline structure (8) is arranged in the middle position inside the improved equipment shell (1); the supportable protective fixing seat structure (6) comprises a supporting seat (61), a shielding protective plate (62), a supporting rod (63), a locking nut (64), a supporting tube (65) and a base (66), wherein the shielding protective plate (62) is respectively bolted on the left and right sides of the front of the upper end of the supporting seat (61) and the left and right sides of the back of the upper end; the upper ends of the supporting rods (63) are respectively connected to the four corners of the lower end of the supporting seat (61) through bolts; the locking nuts (64) are respectively in threaded connection with the upper parts of the outer walls of the supporting rods (63); the lower end of the supporting rod (63) is in threaded connection with the middle position of the upper inner part of the supporting pipe (65); the base (66) is in threaded connection with the middle position inside the lower side of the supporting pipe (65).

2. The improvement equipment of crotonaldehyde production process according to claim 1, characterized in that the rotatable connecting sealing tube structure (7) comprises a connecting tube (71), a fixed tube (72), a sealing ring (73), a metal hose (74) and a delivery tube (75), wherein the upper end of the connecting tube (71) is welded at the middle position of the lower end of the fixed tube (72); the sealing ring (73) is sleeved on the outer wall of the connecting pipe (71) in a sliding manner; the upper end of the metal hose (74) is in threaded connection with the outer wall of the lower end of the connecting pipe (71); the lower end of the metal hose (74) is in threaded connection with the outer wall of the upper end of the guide pipe (75).

3. The improvement equipment of crotonaldehyde production process according to claim 1, wherein the pluggable, detachable and maintainable heat exchange pipeline structure (8) comprises a T-shaped cover (81), a connecting rod (82), a fixing rod (83), a sleeve pipe (84) and crotonaldehyde mixed liquid heat exchange pipelines (85), wherein the upper end of the connecting rod (82) is respectively bolted on the left side and the right side of the lower end of the T-shaped cover (81); the lower end of the connecting rod (82) is in bolted connection with the middle position of the upper end of the fixing rod (83); two ends of the fixed rod (83) are respectively bolted at the middle positions of the left side and the right side of the sleeve pipe (84); the sleeve pipe (84) is sequentially sleeved on the outer wall of the crotonaldehyde mixed liquid heat exchange pipeline (85) from left to right.

4. The improvement equipment of crotonaldehyde production process according to claim 1, characterized in that the feeding hole (11) is arranged at the left side of the plugging hole (5); the heat exchange gas inlet hole (2) and the heat exchange gas outlet hole (3) are correspondingly arranged; the feeding hole (11) and the discharging hole (12) are respectively communicated with the interior of the improved equipment shell (1); the hoisting ring (4) is respectively arranged at the upper ends of the heat exchange gas inlet pipeline (9) and the heat exchange gas outlet pipeline (10).

5. The improvement equipment of crotonaldehyde production process according to claim 2, wherein the shielding and protecting plate (62) is a rectangular stainless steel plate; the locking nut (64) is arranged at the upper end of the supporting pipe (65) in a contact way; the base (66) adopts a stainless steel seat with the bottom end provided with an antiskid lug.

6. The improvement equipment of crotonaldehyde production process according to claim 1, characterized in that the improved equipment shell (1) is bolted to the upper end of the supporting seat (61); the shielding protection plates (62) are respectively arranged on the left and right sides of the lower part of the front surface and the left and right sides of the lower part of the rear surface of the improved equipment shell (1); the supporting seat (61) is arranged on the left side of the discharging hole (12).

7. The improvement equipment of crotonaldehyde production process according to claim 2, wherein the sealing ring (73) is a silica gel ring; the connecting pipe (71) and the fixed pipe (72) are arranged in a T shape; the guide pipe (75) adopts an inverted T-shaped pipe.

8. The improvement equipment of crotonaldehyde production process according to claim 2, characterized in that the connecting pipe (71) passes through the inlet (11) and outlet (12); and the sealing ring (73) is respectively arranged at the inner rings of the feeding hole (11) and the discharging hole (12) and is arranged in a bonding way.

9. The improvement equipment of crotonaldehyde production process according to claim 3, wherein the crotonaldehyde mixture heat exchange pipeline (85) adopts a serpentine coil and is provided with threads at two ends respectively; the fixed rod (83) adopts a conical stainless steel rod; the T-shaped cover (81) is arranged at the upper end of the crotonaldehyde mixed liquid heat exchange pipeline (85).

10. The improvement equipment of crotonaldehyde production process according to claim 3, characterized in that the crotonaldehyde mixture heat exchange pipe (85) is inserted inside the improved equipment shell (1); the T-shaped cover (81) is inserted in the insertion hole (5) and is arranged in a bolt connection mode, and a rubber ring is arranged at the connection position.

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