CN209771404U - Vacuum catcher for refining phthalic anhydride - Google Patents
Vacuum catcher for refining phthalic anhydride Download PDFInfo
- Publication number
- CN209771404U CN209771404U CN201920395926.3U CN201920395926U CN209771404U CN 209771404 U CN209771404 U CN 209771404U CN 201920395926 U CN201920395926 U CN 201920395926U CN 209771404 U CN209771404 U CN 209771404U
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- barrel
- jacket
- tube bundle
- conducting oil
- phthalic anhydride
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Abstract
The utility model belongs to the field of phthalic anhydride refining devices, in particular to a phthalic anhydride refining vacuum trap, which comprises a cylinder body, a conical head and a connecting flange, wherein a cylinder body jacket is arranged outside the cylinder body, and a spiral guide plate is arranged between the cylinder body and the cylinder body jacket, so that the turbulence degree of fluid can be enhanced, and the heat transfer efficiency is improved; be equipped with the finned tube bank in the barrel, be equipped with the semicircle pipe on the barrel inner wall, effectively filled the gap between tube bank and barrel, prevented to run the material phenomenon and appear, increased heat transfer area again simultaneously, the barrel bottom is connected with the toper head. The utility model discloses can realize the recovery of the material among the refined system vacuum gas of terephthalic anhydride, simple structure makes things convenient for the dismouting maintenance to can reduce the loss of raw materials, realize energy saving and consumption reduction.
Description
Technical Field
The utility model belongs to phthalic anhydride refining plant field, concretely relates to phthalic anhydride refining vacuum trap.
Background
The traditional phthalic anhydride refining vacuum system adopts a vacuum water washing tank system, the process is complicated, the structure is complex, the occupied area is large, particularly, the materials after water washing have strong pungent smell and need manual cleaning, the labor intensity of workers is high, and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a refined vacuum trap of phthalic anhydride, simple structure makes things convenient for the dismouting maintenance to can reduce the loss of raw materials, realize energy saving and consumption reduction.
the utility model discloses an adopt following technical scheme to realize:
A phthalic anhydride refining vacuum trap comprises a barrel, a conical head and a connecting flange, wherein a barrel jacket II is arranged at the upper part of the outer side of the barrel, a barrel jacket I is arranged at the lower part of the outer side of the barrel, the barrel jacket II and the barrel jacket I are connected through an expansion joint, a spiral guide plate is arranged between the barrel and the barrel jacket II as well as between the barrel and the barrel jacket I, a semicircular pipe is arranged on the inner wall of the barrel, a vacuum material inlet is arranged at the lower end of the barrel, a vacuum gas outlet and a barrel heat-conducting oil outlet are arranged at the upper end of the barrel, the top of the barrel is connected with a tube bundle flange cover through a barrel flange, a fin tube bundle is welded on the tube bundle flange cover and is arranged in the barrel, one end of a port of;
The conical head is connected with the bottom of the cylinder through a connecting flange, a discharge hole is formed in the bottom end of the conical head, a conical head jacket is arranged on the outer side of the conical head, a conical head heat-conducting oil inlet is formed in the conical head jacket, and the conical head jacket is connected with the cylinder jacket I through a connecting pipe;
the heat conducting oil outlet of the tube bundle is connected with the heat conducting oil inlet of the conical seal head through a pipeline.
The finned tube bundle is manufactured by bending the whole tube without splicing.
Preferably, the fins on the fin tube bundle are spiral fins.
Furthermore, barrel upper portion be equipped with thermometer mouth I, be equipped with thermometer mouth II on the toper head.
The support seats are symmetrically arranged on the left and right sides of the outer side of the cylinder jacket II and can be arranged in a plurality.
The whole catcher device is of a vertical structure.
the process principle and the flow are as follows:
The gas with materials from the phthalic anhydride refining system enters the cylinder through the vacuum material inlet, cold heat conduction oil is introduced into the finned tube bundle, the materials carried in the gas are collected by the finned tube bundle, the gas is discharged from the vacuum gas outlet, when the collection is full, the cold heat conduction oil in the finned tube bundle is switched into heat conduction oil, and the materials in the collector are melted and discharged from the discharge hole in the conical seal head at the bottom end for recycling. The flow direction of the heat conducting oil of the trap enters from a heat conducting oil inlet of the tube bundle, the heat conducting oil enters into the fin tube bundle through a heat conducting oil inlet connecting tube of the tube bundle, the heat conducting oil enters into a heat conducting oil inlet of the conical seal head through a heat conducting oil outlet connecting tube of the tube bundle, and the heat conducting oil enters into the jacket and is discharged from a heat conducting oil outlet of the cylinder body through the flow guide of the.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) The whole equipment of the utility model is of a vertical structure, has small occupied area and can be installed and used by matching with the existing device frame; meanwhile, the vertical structure increases the stroke of the material, and is more beneficial to the trapping of the material by the tube bundle;
(2) The pipe bundle, the cylinder and the conical sealing head are of a split structure, so that the pipe bundle, the cylinder and the conical sealing head are convenient to disassemble, assemble and maintain, and the conical sealing head is more favorable for discharging materials;
(3) The finned tube bundle is formed by bending the whole tube, and splicing is avoided, so that heat conduction oil leakage caused by splicing defects is avoided;
(4) The spiral guide plate is welded in the cylinder and the jacket, so that the turbulence degree of fluid can be enhanced, and the heat transfer efficiency is improved;
(5) the semicircular pipe arranged on the inner wall of the barrel body effectively fills a gap between the pipe bundle and the barrel body, prevents the phenomenon of material leakage, and increases the heat exchange area.
drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of two ports of the finned tube bundle of the present invention;
FIG. 3 is a schematic view of the connection of the finned tube bundle of the present invention;
FIG. 4 is an enlarged view of point I in FIG. 1;
in the figure: 1. a discharging port; 2. a conical end enclosure jacket; 3. a conical end enclosure; 4. a conical end enclosure heat conduction oil inlet; 5. a connecting flange; 6. a connecting pipe; 7. a cylinder jacket I; 8. a barrel; 9. a spiral deflector; 10. a semicircular tube; 11. an expansion joint; 12. A cylinder jacket II; 13. a support; 14. a heat conducting oil outlet of the cylinder; 15. a cylinder flange; 16. a tube bundle flange cover; 17. a thermometer port I; 18. a pipe bundle heat-conducting oil outlet connecting pipe; 19. a heat conducting oil outlet of the tube bundle; 20. a heat conducting oil inlet of the tube bundle; 21. a pipe bundle heat-conducting oil inlet connecting pipe; 22. a finned tube bundle; 23. a vacuum gas outlet; 24, a vacuum material inlet; 25 thermometer port ii.
Detailed Description
the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the phthalic anhydride refining vacuum trap of this embodiment comprises a cylinder 8, a conical head 3 and a connecting flange 5, wherein a cylinder jacket ii 12 is disposed on the upper portion of the outer side of the cylinder 8, a cylinder jacket i 7 is disposed on the lower portion of the outer side of the cylinder 8, the cylinder jacket ii 12 and the cylinder jacket i 7 are connected through an expansion joint 11, a spiral guide plate 9 is disposed between the cylinder 8 and the cylinder jacket ii 12 and the cylinder jacket i 7, a semicircular tube 10 is disposed on the inner wall of the cylinder 8, a vacuum material inlet 24 is disposed at the lower end of the cylinder 8, a vacuum gas outlet 23 and a cylinder heat-conducting oil outlet 14 are disposed at the upper end of the cylinder 8, the top of the cylinder 8 is connected to a tube bundle flange cover 16 through a cylinder flange 15, a tube bundle 22 is welded to the tube bundle flange cover 16, the tube bundle fins 22 are, the other end of the port of the finned tube bundle 22 is connected with a tube bundle heat-conducting oil outlet 19 and a tube bundle heat-conducting oil outlet connecting tube 18;
The conical head 3 is connected with the bottom of the cylinder 8 through a connecting flange 5, a discharge hole 1 is formed in the bottom end of the conical head 3, a conical head jacket 2 is arranged on the outer side of the conical head 3, a conical head heat-conducting oil inlet 4 is formed in the conical head jacket 2, and the conical head jacket 2 is connected with a cylinder jacket I7 through a connecting pipe 6;
the heat conducting oil outlet 19 of the tube bundle is connected with the heat conducting oil inlet 4 of the conical seal head through a pipeline.
the fins on the finned tube bundle 22 are helical fins, and the whole tube is bent without splicing.
A thermometer port I17 is arranged at the upper part of the cylinder body 8, and a thermometer port II 25 is arranged on the conical sealing head.
two supports 13 are symmetrically arranged on the left and right outside the cylinder jacket II 12.
the process principle and the flow are as follows:
the gas with materials from the phthalic anhydride refining system enters the cylinder 8 through the vacuum material inlet 24, cold heat conduction oil is introduced into the finned tube bundle 22, the materials carried in the gas are collected by the finned tube bundle 22, the gas is discharged from the vacuum gas outlet 23, when the collection is full, the cold heat conduction oil in the finned tube bundle 22 is switched into heat conduction oil, and the materials in the collector are melted and discharged from the discharge port 1 on the conical seal head 3 at the bottom end for recycling. The flow direction of the heat conducting oil of the trap is that the heat conducting oil enters from a tube bundle heat conducting oil inlet 20, enters into a fin tube bundle 22 through a tube bundle heat conducting oil inlet connecting pipe 21, enters into a conical head heat conducting oil inlet 4 through a tube bundle heat conducting oil outlet connecting pipe 18 and enters from a tube bundle heat conducting oil outlet 19, and the heat conducting oil enters into the jacket and is guided by a spiral guide plate 9 and discharged from a cylinder heat conducting oil outlet 14.
of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (5)
1. The utility model provides a refined vacuum trap of phthalic anhydride, includes barrel (8), toper head (3) and flange (5), its characterized in that: the heat-conducting oil heat exchanger is characterized in that a barrel jacket II (12) is arranged on the upper part of the outer side of the barrel (8), a barrel jacket I (7) is arranged on the lower part of the outer side of the barrel (8), the barrel jacket II (12) and the barrel jacket I (7) are connected through an expansion joint (11), a spiral guide plate (9) is arranged between the barrel (8) and the barrel jacket II (12) and the barrel jacket I (7), a semicircular pipe (10) is arranged on the inner wall of the barrel (8), a vacuum material inlet (24) is arranged at the lower end of the barrel (8), a vacuum gas outlet (23) and a barrel heat-conducting oil outlet (14) are arranged at the upper end of the barrel (8), the top of the barrel (8) is connected with a tube bundle flange cover (16) through a barrel flange (15), a fin tube bundle flange cover (16) is welded with a fin tube bundle (22), the fin tube bundle (22) is arranged, the other end of the port of the finned tube bundle (22) is connected with a tube bundle heat-conducting oil outlet (19) and a tube bundle heat-conducting oil outlet connecting tube (18);
the conical seal head (3) is connected with the bottom of the cylinder body (8) through a connecting flange (5), a discharge hole (1) is formed in the bottom end of the conical seal head (3), a conical seal head jacket (2) is arranged on the outer side of the conical seal head (3), a conical seal head heat conduction oil inlet (4) is formed in the conical seal head jacket (2), and the conical seal head jacket (2) is connected with a cylinder body jacket I (7) through a connecting pipe (6);
the heat conducting oil outlet (19) of the tube bundle is connected with the heat conducting oil inlet (4) of the conical seal head through a pipeline.
2. the phthalic anhydride refining vacuum trap of claim 1, wherein: the finned tube bundle (22) is manufactured by bending the whole tube without splicing.
3. The phthalic anhydride refining vacuum trap of claim 1, wherein: the fins on the fin tube bundle (22) are spiral fins.
4. The phthalic anhydride refining vacuum trap of claim 1, wherein: a thermometer opening I (17) is formed in the upper portion of the barrel body (8), and a thermometer opening II (25) is formed in the conical sealing head.
5. the phthalic anhydride refining vacuum trap of claim 1, wherein: the outer side of the cylinder jacket II (12) is symmetrically provided with supports (13) in the left and right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395926.3U CN209771404U (en) | 2019-03-26 | 2019-03-26 | Vacuum catcher for refining phthalic anhydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395926.3U CN209771404U (en) | 2019-03-26 | 2019-03-26 | Vacuum catcher for refining phthalic anhydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209771404U true CN209771404U (en) | 2019-12-13 |
Family
ID=68799727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920395926.3U Active CN209771404U (en) | 2019-03-26 | 2019-03-26 | Vacuum catcher for refining phthalic anhydride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209771404U (en) |
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2019
- 2019-03-26 CN CN201920395926.3U patent/CN209771404U/en active Active
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