CN114259742A - Multilayer wall reboiler for petrochemical - Google Patents
Multilayer wall reboiler for petrochemical Download PDFInfo
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- CN114259742A CN114259742A CN202111622852.0A CN202111622852A CN114259742A CN 114259742 A CN114259742 A CN 114259742A CN 202111622852 A CN202111622852 A CN 202111622852A CN 114259742 A CN114259742 A CN 114259742A
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- reboiler
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Abstract
The invention discloses a multilayer wall reboiler for petrochemical engineering, which relates to the technical field of petrochemical engineering and comprises a main body device and a filtering device, wherein the multilayer wall reboiler is arranged inside the main body device, the right side of the multilayer wall reboiler is fixedly connected with a coupling second transmission pipe, one end, far away from the multilayer wall reboiler, of the second transmission pipe is fixedly connected with the filtering device, and one side, far away from the second transmission pipe, of the filtering device is fixedly connected with a first transmission pipe. The invention solves the problem that the prior petrochemical reboiler is difficult to filter the entering liquid before heating the feed liquid in the fractionating tower, so that the next process is influenced by excessive oil impurities, and solves the problems that the prior petrochemical reboiler is difficult to prevent the steam from condensing and refluxing at the top end of the device after the feed liquid is evaporated and cannot control the heat to be dissipated to the outer side of the device, thereby arranging the heat collecting device and the heat blocking interlayer.
Description
Technical Field
The invention relates to the technical field of petrochemical industry, in particular to a multilayer wall reboiler for petrochemical industry.
Background
A reboiler is a special heat exchanger that can exchange heat while having a vaporization space. The feed level in the reboiler and the fractionation column level are at the same height. The liquid phase is supplied from the bottom line into the reboiler. Typically 25-30% of the liquid phase is vaporized in the reboiler. The vaporized two-phase stream is fed back to the fractionation column, with the vapor phase component passing upward through the trays and the liquid phase component falling back to the bottom of the column. The material is heated in the reboiler to expand and even vaporize, and the density is reduced, so that the material leaves the vaporization space, smoothly returns to the tower and returns to the gas phase and the liquid phase in the tower.
However, when using petrochemical reboiler, petrochemical reboiler is difficult to filter the liquid that gets into before the feed liquid in the heating fractionating tower, impurity long-term deposit and device bottom, influence petrochemical reboiler's result of use, and petrochemical reboiler is difficult to avoid the feed liquid evaporation after, steam is at device top condensation reflux, influence petrochemical reboiler evaporation efficiency, petrochemical reboiler is difficult to the heat in the save set simultaneously, the heat gives off the device outside, make device outside temperature too high, influence petrochemical reboiler's the security of use.
The following problems exist in the prior art:
1. the existing petrochemical reboiler is difficult to filter the entering liquid before heating the feed liquid in the fractionating tower, so that the next process is influenced by excessive oil impurities;
2. the problem of steam condensing and refluxing on the top end of the device after the evaporation of feed liquid is difficult to avoid by the existing petrochemical reboiler, and meanwhile, the heat cannot be controlled to be dissipated to the outside of the device, so that certain potential safety hazards are caused.
Disclosure of Invention
The invention provides a multilayer wall reboiler for petrochemical industry, which aims to be provided with a filtering device and solve the problem that the next process is influenced by excessive oil impurities because the existing petrochemical reboiler is difficult to filter the entering liquid before heating the liquid in a fractionating tower; wherein another kind of purpose is in order to solve current petrochemical reboiler and be difficult to avoid the feed liquid evaporation back, and steam is in the problem of device top condensation backward flow, and the uncontrollable heat gives off the device outside simultaneously, causes the problem of certain potential safety hazard to heat collection device and heat-resistant interlayer have been set up.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a multilayer wall reboiler for petrochemical, includes main part device and filter equipment, main part device's inside is provided with multilayer wall reboiler, the right side fixed connection idol of multilayer wall reboiler meets the second transmission pipe, the second transmission pipe is kept away from the one end fixedly connected with filter equipment of multilayer wall reboiler, filter equipment keeps away from the first transmission pipe of one side fixedly connected with of second transmission pipe, first transmission pipe is close to surface fixedly connected with electric control valve on filter equipment's the one end.
The filter device is characterized in that a filter compartment is arranged in the filter device, a compartment sealing groove is formed in one side of the upper surface of the filter compartment, a sealing block is fixedly connected to the inner wall of the filter compartment, a sealing sliding groove is formed in one side of the sealing block, a guide pillar receiving groove is formed in the inner wall of the filter compartment, and a filter plate is movably connected to the inner wall of the filter compartment.
The technical scheme of the invention is further improved as follows: the upper surface of the filtering compartment is movably connected with a sealing cover, the bottom surface of the sealing cover is fixedly connected with a filtering plate, one side of the filtering plate is provided with a first blocking plate, the two sides of the first blocking plate are fixedly connected with the inner wall, one side of the first blocking plate is provided with a circulating groove, one side of the filtering plate, which is far away from the first blocking plate, is provided with a second blocking plate, and the two sides of the second blocking plate are fixedly connected with the inner wall of the filtering compartment.
The technical scheme of the invention is further improved as follows: the device comprises a filtering device, a first transmission pipe, a distillation tower, a transmission built-in pipe, a transmission pipe heat-resistant layer, a check valve, a blocking ring, a blocking spring and a reset spring, wherein one end of the first transmission pipe, far away from the filtering device, is fixedly connected with the distillation tower, one side of the top end of the distillation tower is fixedly connected with the distillation transmission pipe, one end of the distillation transmission pipe, far away from the distillation tower, is fixedly connected with one side of the top end of the multilayer-wall reboiler, the transmission built-in pipe is arranged inside the distillation transmission pipe, the outer wall of the transmission built-in pipe is fixedly connected with the transmission pipe heat-resistant layer, the inner wall of the transmission built-in pipe is fixedly connected with the check valve, the inside of the check valve is provided with the blocking ring, the outer wall of the blocking ring is fixedly connected with the inner wall of the distillation transmission pipe, the right side of the blocking ring is movably connected with the blocking card, the right side of the blocking card is fixedly connected with the hollow ring seat, and the right side of the hollow ring seat is fixedly connected with the reset spring.
The technical scheme of the invention is further improved as follows: the inside of multilayer wall reboiler is provided with the reboiler inner bag, the outer wall fixedly connected with reboiler mesochite of reboiler inner bag, the outer wall fixedly connected with reboiler shell of reboiler mesochite, the top outside fixedly connected with of reboiler shell hinders the heat interlayer, the bottom fixedly connected with heat collection device who hinders the heat interlayer, one side of heat collection device with the outer wall fixed connection of reboiler shell.
The technical scheme of the invention is further improved as follows: the inner wall fixedly connected with hot plate of multilayer wall reboiler, one side fixedly connected with induction pipe of hot plate, the induction pipe is kept away from the one end fixedly connected with heating element of hot plate.
The technical scheme of the invention is further improved as follows: the right side of the heating component is fixedly connected with a delivery pipe, and the right side of the heating component is provided with a liquid pump.
The technical scheme of the invention is further improved as follows: and the outer wall of the heat collecting device is fixedly connected with a transmission lead.
The technical scheme of the invention is further improved as follows: one end of the transmission lead, which is far away from the heat collecting device, is electrically connected with a voltage converter.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a multilayer wall reboiler for petrochemical industry, wherein oil is filtered by a filtering device before entering the multilayer wall reboiler for processing, three filtering compartments are arranged in the filtering device, the three filtering compartments respectively correspond to three branch pipes at the tail end of a first transmission pipe and are regulated and controlled by three electric control valves, and three filtering plates are arranged in the filtering compartments, so that the problem that the next process is influenced by excessive oil impurities due to the fact that the existing petrochemical reboiler difficultly filters the entering liquid before heating the liquid in a fractionating tower is solved.
2. The invention provides a multilayer wall reboiler for petrochemical industry, wherein oil steam generated in the multilayer wall reboiler is transmitted into a distillation tower through a distillation transmission pipe, a transmission pipe heat-resistant layer arranged outside a transmission built-in pipe can well ensure the temperature of a pipeline and reduce the influence of external temperature difference, meanwhile, the distillation transmission pipe is arranged to be arched, and a check valve arranged in the distillation transmission pipe is matched, so that the problem that the steam is condensed and reflows at the top end of the device after the evaporation of the feed liquid is difficult to avoid in the existing petrochemical reboiler is well solved.
3. The invention provides a multilayer wall reboiler for petrochemical industry, which can generate heat during operation, wherein the heat diffused around the top and the bottom is blocked by a heat blocking interlayer, the heat emitted from a middle section area is collected and converted by a heat collecting device, and the electric energy formed after conversion can be supplied to an electric control valve.
4. The invention provides a multilayer wall reboiler for petrochemical industry, because three filter plates are arranged in each filter compartment in a filter device, the filter plates are in an S-shaped design, the contact surface with oil is enlarged, the filtering effect is increased, meanwhile, a first barrier plate and a second barrier plate are matched to form overflow type filtering, the situation of insufficient filtering is avoided, a sealing cover is connected with the filter plates, the filter plates can be quickly replaced by opening the sealing cover, and the transmission of a distillation tower does not need to be stopped when the filter plates are replaced by regulating and controlling an electric control valve, so that the normal operation of work is ensured.
Drawings
FIG. 1 is a schematic diagram showing the structure of the main device of the present invention in detail;
FIG. 2 is an enlarged view of the structure at A of the present invention;
FIG. 3 is a schematic view showing a detailed structure of a distillation transfer tube according to the present invention;
FIG. 4 is a schematic view showing the details of the structure of the filtering apparatus according to the present invention in the operating state;
FIG. 5 is a schematic view showing a detailed structure of the check valve of the present invention;
figure 6 is a schematic view of a filter compartment according to the invention in more detail.
In the figure: 1. a main body device; 2. a multi-wall reboiler; 3. a distillation transfer tube; 4. a distillation column; 5. a first transfer tube; 6. a filtration device; 7. a second transfer pipe; 8. a heating assembly; 9. a voltage converter; 10. a transmission wire; 11. a delivery pipe; 12. a liquid pump; 13. heating plates; 14. an introducing pipe; 15. a heat collection device; 16. a reboiler housing; 17. a reboiler mid-shell; 18. a reboiler inner container; 19. an electrically controlled valve; 20. a filtration compartment; 21. a filter plate; 22. a heat resistant barrier layer; 71. a first barrier plate; 72. a second barrier panel; 73. a circulation tank; 74. sealing the cover; 301. a transmission inner pipe; 302. a check valve; 303. transferring the heat resistant layer; 304. a barrier ring; 305. blocking the card; 306. a hollow ring seat; 307. a return spring.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in FIGS. 1 to 6, the present invention provides a multi-layer wall reboiler for petrochemical industry, comprising a main body device 1 and a filtering device 6, wherein the main body device 1 is internally provided with the multi-layer wall reboiler 2, the right side of the multi-layer wall reboiler 2 is fixedly connected with a coupling second transmission pipe 7, one end of the second transmission pipe 7 far away from the multi-layer wall reboiler 2 is fixedly connected with the filtering device 6, one side of the filtering device 6 far away from the second transmission pipe 7 is fixedly connected with a first transmission pipe 5, the upper surface of one end of the first transmission pipe 5 close to the filtering device 6 is fixedly connected with an electric control valve 19, the internal of the filtering device 6 is provided with the filtering compartments 20, the filtering device 6 is internally provided with three filtering compartments 20, which respectively correspond to three branch pipes at the tail end of the first transmission pipe 5 and are regulated by the three electric control valves 19, and each filtering compartment 20 is internally provided with three filtering plates 21, the filter 21 is the design of S type, increased the contact surface with the oil, the filterable effect has been increased, cooperate first baffler 71 and second baffler 72 simultaneously, it filters to form the overflow formula, the insufficient condition of filtration has been avoided taking place, the last surface swing joint who filters compartment 20 has closing cap 74, the bottom surface fixedly connected with filter 21 of closing cap 74, one side of filter 21 is provided with first baffler 71, the both sides of first baffler 71 and the inner wall fixed connection who filters compartment 20, circulation groove 73 has been seted up to one side of first baffler 71, one side that first baffler 71 was kept away from to filter 21 is provided with second baffler 72, the both sides of second baffler 72 and the inner wall fixed connection who filters compartment 20, closing cap 74 is connected with filter 21, it can quick replacement filter 21 to open closing cap 74.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, one end of the first transmission pipe 5, which is far away from the filtering device 6, is fixedly connected with the distillation tower 4, one side of the top end of the distillation tower 4 is fixedly connected with the distillation transmission pipe 3, one end of the distillation transmission pipe 3, which is far away from the distillation tower 4, is fixedly connected with one side of the top end of the multilayer-wall reboiler 2, the transmission built-in pipe 301 is arranged inside the distillation transmission pipe 3, the outer wall of the transmission built-in pipe 301 is fixedly connected with a transmission pipe heat-resistant layer 303, the transmission pipe heat-resistant layer 303 arranged outside the transmission built-in pipe 301 can well ensure the pipeline temperature and reduce the influence of the external temperature difference, the inner wall of the transmission built-in pipe 301 is fixedly connected with a check valve 302, the inside of the check valve 302 is provided with a blocking ring 304, the outer wall of the blocking ring 304 is fixedly connected with the inner wall of the distillation transmission pipe 3, the right side of the blocking ring 304 is movably connected with a blocking card 305, the right side of the blocking card is fixedly connected with a hollow ring seat 306, the right side of the hollow ring seat 306 is fixedly connected with a return spring 307, the distillation transmission pipe 3 is arranged to be arched and matched with a check valve 302 arranged in the distillation transmission pipe, the problem that steam is condensed and flows back at the top end of the device after the material liquid is difficultly evaporated in the existing petrochemical reboiler is well solved, a reboiler inner container 18 is arranged in the multilayer-wall reboiler 2, a reboiler middle shell 17 is fixedly connected to the outer wall of the reboiler inner container 18, a reboiler outer shell 16 is fixedly connected to the outer wall of the reboiler middle shell 17, a heat blocking interlayer 22 is fixedly connected to the outer side of the top end of the reboiler outer shell 16, a heat collecting device 15 is fixedly connected to the bottom end of the heat blocking interlayer 22, one side of the heat collecting device 15 is fixedly connected to the outer wall of the reboiler outer shell 16, heat generated when the multilayer-wall reboiler 2 operates, heat diffused around the top and the bottom is blocked by the heat blocking interlayer 22, heat emitted in the middle section area is collected and converted by the heat collecting device 15, and electric energy formed after conversion can be supplied to an electric control valve 19, inner wall fixedly connected with hot plate 13 of multilayer wall reboiler 2, one side fixedly connected with induction pipe 14 of hot plate 13, one end fixedly connected with heating element 8 of hot plate 13 is kept away from to induction pipe 14, heating element 8's right side fixedly connected with delivery tube 11, heating element 8's right side is provided with liquid pump 12, heat collection device 15's outer wall fixedly connected with transmission wire 10, transmission wire 10 keeps away from the one end electric connection of heat collection device 15 and has voltage converter 9.
The working principle of the multi-wall reboiler for petrochemical industry will be described in detail.
As shown in fig. 1-6, when the distillation tower 4 transfers oil to the multi-layer wall reboiler 2 through the first transfer pipe 5, the oil is first filtered by the filter device 6, three filter compartments 20 are provided in the filter device 6, three filter plates 21 are provided in each filter compartment 20, the end of the first transfer pipe 5 is a three-part pipe, each part pipe is provided with an electric control valve 19 for control, when the filter plates 21 need to be replaced, one electric control valve 19 is selectively closed, then the corresponding filter plate 21 in the filter compartment 20 is replaced, the seal cover 74 is connected with the filter plate 21, the filter plate 21 can be replaced by opening the seal cover 74, the electric control valve 19 is controlled to be sequentially performed until all the filter plates 21 in the filter device 6 are replaced, when the oil enters the multi-layer wall reboiler 2 through the second transfer pipe 7 to be heated, the heat diffused around the top and the bottom of the multi-layer wall reboiler 2 is blocked by the heat blocking interlayer 22, the heat that wherein the regional givenging of section is collected the conversion by heat collection device 15, carry out conversion voltage through voltage converter 9 and supply to electric control valve 19 on, regulation and control through electric control valve 19, make when changing filter 21, also need not stop the transmission of distillation column 4, normal operating has been guaranteed in work, when oil steam that produces in multilayer wall reboiler 2 transmits the inside to distillation column 4 through distillation transmission pipe 3, transmission pipe resistance layer 303 has been installed in the distillation transmission pipe 3, guarantee pipeline temperature, distillation transmission pipe 3 is the arch simultaneously, and internally mounted has check valve 302 to prevent steam condensation reflux.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (8)
1. A multilayer wall reboiler for petrochemical industry, includes main part device (1) and filter equipment (6), its characterized in that: a multilayer wall reboiler (2) is arranged in the main body device (1), the right side of the multilayer wall reboiler (2) is fixedly connected with a coupling second transmission pipe (7), one end, far away from the multilayer wall reboiler (2), of the second transmission pipe (7) is fixedly connected with a filtering device (6), one side, far away from the second transmission pipe (7), of the filtering device (6) is fixedly connected with a first transmission pipe (5), and the upper surface of one end, close to the filtering device (6), of the first transmission pipe (5) is fixedly connected with an electric control valve (19);
the filter device is characterized in that a filter compartment (20) is arranged inside the filter device (6), a compartment sealing groove (71) is formed in one side of the upper surface of the filter compartment (20), a sealing block (73) is fixedly connected to the inner wall of the filter compartment (20), a sealing sliding groove (72) is formed in one side of the sealing block (73), a guide pillar bearing groove (74) is formed in the inner wall of the filter compartment (20), and a filter plate (21) is movably connected to the inner wall of the filter compartment (20).
2. The multilayer wall reboiler for petrochemical industry according to claim 1, wherein: filter the upper surface swing joint of compartment (20) and have closing cap (74), the bottom surface fixedly connected with filter (21) of closing cap (74), one side of filter (21) is provided with first baffler (71), the both sides of first baffler (71) with the inner wall fixed connection of (20), circulation groove (73) have been seted up to one side of first baffler (71), filter (21) are kept away from one side of first baffler (71) is provided with second baffler (72), the both sides of second baffler (72) with filter the inner wall fixed connection of compartment (20).
3. The multilayer wall reboiler for petrochemical industry according to claim 1, wherein: a distillation tower (4) is fixedly connected to one end, far away from the filtering device (6), of the first transmission pipe (5), a distillation transmission pipe (3) is fixedly connected to one side of the top end of the distillation tower (4), one end, far away from the distillation tower (4), of the distillation transmission pipe (3) is fixedly connected to one side of the top end of the multilayer-wall reboiler (2), a transmission built-in pipe (301) is arranged inside the distillation transmission pipe (3), a transmission pipe heat-resistant layer (303) is fixedly connected to the outer wall of the transmission built-in pipe (301), a check valve (302) is fixedly connected to the inner wall of the transmission built-in pipe (301), a blocking ring (304) is arranged inside the check valve (302), the outer wall of the blocking ring (304) is fixedly connected to the inner wall of the distillation transmission pipe (3), and a blocking card (305) is movably connected to the right side of the blocking ring (304), the right side of the blocking card (305) is fixedly connected with a hollow ring seat (306), and the right side of the hollow ring seat (306) is fixedly connected with a return spring (307).
4. The multilayer wall reboiler for petrochemical industry according to claim 1, wherein: the inside of multilayer wall reboiler (2) is provided with reboiler inner bag (18), the outer wall fixedly connected with reboiler mesochite (17) of reboiler inner bag (18), the outer wall fixedly connected with reboiler shell (16) of reboiler mesochite (17), the top outside fixedly connected with of reboiler shell (16) hinders heat interlayer (22), the bottom fixedly connected with heat collection device (15) of hindering heat interlayer (22), one side of heat collection device (15) with the outer wall fixed connection of reboiler shell (16).
5. The multilayer wall reboiler for petrochemical industry according to claim 1, wherein: the inner wall fixedly connected with hot plate (13) of multilayer wall reboiler (2), one side fixedly connected with inlet tube (14) of hot plate (13), inlet tube (14) are kept away from the one end fixedly connected with heating element (8) of hot plate (13).
6. The multilayer wall reboiler for petrochemical industry according to claim 5, wherein: the right side fixedly connected with eduction tube (11) of heating element (8), the right side of heating element (8) is provided with liquid pump (12).
7. The multilayer wall reboiler for petrochemical industry according to claim 4, wherein: and the outer wall of the heat collecting device (15) is fixedly connected with a transmission lead (10).
8. The multilayer wall reboiler for petrochemical industry according to claim 7, wherein: one end of the transmission lead (10) far away from the heat collecting device (15) is electrically connected with a voltage converter (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111622852.0A CN114259742A (en) | 2021-12-28 | 2021-12-28 | Multilayer wall reboiler for petrochemical |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111622852.0A CN114259742A (en) | 2021-12-28 | 2021-12-28 | Multilayer wall reboiler for petrochemical |
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| CN114259742A true CN114259742A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111622852.0A Pending CN114259742A (en) | 2021-12-28 | 2021-12-28 | Multilayer wall reboiler for petrochemical |
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Citations (7)
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| WO2005066561A1 (en) * | 2003-12-24 | 2005-07-21 | Alstat Edward K | Method and apparatus for reclaiming effluent from a freeze-drying process, and uses for effluent |
| CN206540069U (en) * | 2016-12-05 | 2017-10-03 | 安徽省马鞍山市第七中学 | A kind of desk lamp that luminous energy and heat energy can be recycled |
| CN207961640U (en) * | 2018-01-11 | 2018-10-12 | 天津西帝尔科技发展有限公司 | A kind of novel check valve |
| CN108837540A (en) * | 2018-08-16 | 2018-11-20 | 连云港泛美石油化工有限公司 | Petrochemical industry compound wall reboiler |
| CN208130673U (en) * | 2018-03-13 | 2018-11-23 | 江苏亚一智能装备有限公司 | A kind of paint spray booth's waste gas filter that can not shut down replacement filter core |
| CN211069095U (en) * | 2019-10-15 | 2020-07-24 | 山东瑞辰新材料有限公司 | Solvent recovery unit for liquid crystal material |
| CN214309651U (en) * | 2020-12-31 | 2021-09-28 | 唐山嘉盛新能源有限公司 | A waste fitting discharging for soda sample |
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2021
- 2021-12-28 CN CN202111622852.0A patent/CN114259742A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005066561A1 (en) * | 2003-12-24 | 2005-07-21 | Alstat Edward K | Method and apparatus for reclaiming effluent from a freeze-drying process, and uses for effluent |
| CN206540069U (en) * | 2016-12-05 | 2017-10-03 | 安徽省马鞍山市第七中学 | A kind of desk lamp that luminous energy and heat energy can be recycled |
| CN207961640U (en) * | 2018-01-11 | 2018-10-12 | 天津西帝尔科技发展有限公司 | A kind of novel check valve |
| CN208130673U (en) * | 2018-03-13 | 2018-11-23 | 江苏亚一智能装备有限公司 | A kind of paint spray booth's waste gas filter that can not shut down replacement filter core |
| CN108837540A (en) * | 2018-08-16 | 2018-11-20 | 连云港泛美石油化工有限公司 | Petrochemical industry compound wall reboiler |
| CN211069095U (en) * | 2019-10-15 | 2020-07-24 | 山东瑞辰新材料有限公司 | Solvent recovery unit for liquid crystal material |
| CN214309651U (en) * | 2020-12-31 | 2021-09-28 | 唐山嘉盛新能源有限公司 | A waste fitting discharging for soda sample |
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