CN114712870A - MTBE desulfurization purification device - Google Patents
MTBE desulfurization purification device Download PDFInfo
- Publication number
- CN114712870A CN114712870A CN202210261019.6A CN202210261019A CN114712870A CN 114712870 A CN114712870 A CN 114712870A CN 202210261019 A CN202210261019 A CN 202210261019A CN 114712870 A CN114712870 A CN 114712870A
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- Prior art keywords
- cyclone
- conical
- desulfurization
- mtbe
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 88
- 230000023556 desulfurization Effects 0.000 title claims abstract description 88
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000000746 purification Methods 0.000 title claims abstract description 25
- 229910052717 sulfur Inorganic materials 0.000 claims description 31
- 239000011593 sulfur Substances 0.000 claims description 31
- 239000000919 ceramic Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 14
- 239000005864 Sulphur Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000010992 reflux Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0064—Feeding of liquid into an evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses an MTBE (methyl tert-butyl ether) desulfurization and purification device, which belongs to the field of petrochemical production and comprises a cyclone desulfurization device, wherein the cyclone desulfurization device is communicated with a primary flow control valve group through a pipeline, the primary flow control valve group is communicated with a secondary desulfurization device, the cyclone desulfurization device comprises a cyclone desulfurization device shell, a bubble cap is fixedly arranged in the cyclone desulfurization device shell, the bubble cap comprises a conical bubble cap shell, and a plurality of annular step parts are arranged on the outer conical surface of the bubble cap shell; second grade desulphurization unit includes the second grade desulphurization unit casing, and the position that is close to the top in the second grade desulphurization unit casing is provided with a plurality of shower head, and the below of shower head is provided with conical evaporimeter, is provided with a plurality of annular evaporimeter step portions on the outer conical surface of conical evaporimeter, and this MTBE desulfurization purification device is through 2 grades of desulphurization unit's desulfurization, the effectual sulphur content that contains among the MTBE that has reduced for purification MTBE.
Description
Technical Field
The invention relates to a desulfurization and purification device in the field of petrochemical industry, in particular to an MTBE desulfurization and purification device, and belongs to the technical field of chemical equipment.
Background
MTBE (methyl tertiary butyl ether) is an important chemical raw material, MTBE is usually used as a blending component of clean gasoline with high octane number, has good blending effect, and has higher and higher requirements on the quality of gasoline products in China in recent years along with the continuous improvement of the requirements on environmental protection in economic development of China. GB17930-2013 "motor gasoline" further reduces the sulfur content of motor gasoline (V) to the mass fraction not more than 10mg/kg, MTBE is used as the blending component of clean gasoline, the addition amount is generally 10% -20%, and the sulfur mass fraction of MTBE is required to be reduced to below 10 mg/kg.
The sulfur content of MTBE without desulfurization is generally higher, the formation of acid rain is easily aggravated due to higher sulfur content of tail gas discharged by automobile tail gas, the holding quantity of automobiles in China is increased explosively, and the automobile tail gas discharge becomes a main air pollution source in large and medium-sized cities in China.
The chinese national intellectual property office discloses application numbers: 201920138897.2, filing date: 20190128, respectively; the patent name is a utility model patent of MTBE desulfurization purification device, and this patent discloses following technical characteristics: the MTBE desulfurization purification device comprises a vertically arranged plate-type desulfurization tower, a return pipe is arranged between the bottom of the plate-type desulfurization tower and the middle of a tower body, the bottom end of the return pipe is connected with a desulfurization pump through a pipeline, the desulfurization pump is connected with a heavy sulfur tank through a pipeline, and a reboiler is further arranged on the return pipe; still include the finished product pipeline, finished product pipeline one end is connected, the other end passes through control flow valves II and MTBE finished product jar through control flow valves I and plate desulfurization tower and is connected, still includes top of the tower cooler, reflux drum, backwash pump, plate desulfurization tower is at its top and top of the tower cooler pipe connection, top of the tower cooler and reflux drum pipe connection, the reflux drum is connected to on the finished product pipeline between control flow valves I and the control flow valves II through the backwash pump.
This MTBE desulfurization purification device has exposed following problem in-service use, and the plate desulfurizing tower of vertical arrangement's simple structure, the sulphur removal rate is not high, can't reach the national requirement under the more and more strict environmental protection standard of country.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the MTBE desulfurization and purification device, and the sulfur content in MTBE is effectively reduced by desulfurization of the MTBE desulfurization and purification device through a 2-stage desulfurization device.
In order to solve the above problems, the present invention provides the following technical solutions:
the utility model provides a MTBE desulfurization purification device, includes cyclone, and cyclone has one-level flow control valves through the pipeline intercommunication, and one-level flow control valves intercommunication has second grade desulphurization unit, its characterized in that:
the cyclone desulfurization device comprises a cyclone desulfurization device shell, wherein a bubble cap is fixedly arranged in the cyclone desulfurization device shell, the bubble cap comprises a conical bubble cap shell, and a plurality of annular step parts are arranged on the outer conical surface of the bubble cap shell;
the second grade desulphurization unit includes the second grade desulphurization unit casing, and the position that is close to the top in the second grade desulphurization unit casing is provided with a plurality of shower head, and the below of shower head is provided with conical evaporimeter, is provided with a plurality of annular evaporimeter step portion on the outer conical surface of conical evaporimeter.
The following is a further improvement of the above technical solution:
be provided with the one-level cover that slowly flows between shower head and the conical evaporimeter, the one-level cover that slowly flows is conical tubular structure, is provided with a plurality of annular cover steps that slowly flows on the one-level cover inner wall that slowly flows, and a plurality of annular cover steps that slowly flows set gradually from the top down in the vertical direction.
The first-stage flow delaying cover is positioned right above the conical evaporator, and the top end of the conical evaporator extends into the first-stage flow delaying cover.
The conical evaporator is hollow to form a conical chamber, an evaporator air inlet is formed in the wall of the conical evaporator and is arranged at a position close to the bottom of the conical evaporator, and an inverted conical pipe is arranged at a position close to the bottom in the conical evaporator.
The inverted cone-shaped pipe is of a conical tubular structure, the large-diameter end of the inverted cone-shaped pipe faces upwards, and the inverted cone-shaped pipe is communicated with the air outlet pipe of the evaporator.
The inverted cone-shaped pipe is communicated with an air outlet cylinder through an air outlet of the evaporator, the bottom of the shell of the secondary desulfurization device is provided with a cyclone generator, the cyclone generator comprises a cyclone generator air inlet, and the air outlet of the cyclone generator is communicated with the air inlet of the evaporator.
As a further improvement to the above technical solution:
the large diameter end of the bubble cap faces downwards; the maximum diameter of the bubble cap is smaller than the inner diameter of the shell of the cyclone desulfurization device; the top of bubble cap is provided with circular shape ceramic plate, has seted up a plurality of ceramic plate hole on the ceramic plate, and the ceramic plate hole equipartition is on the ceramic plate.
As a further improvement to the above technical solution:
the top of bubble cap is fixed with the guide plate, has seted up a plurality of guide plate hole on the guide plate.
As a further improvement to the above technical solution:
a high-sulfur component blanking pipe is fixedly arranged below the bubble cap, a steam air channel shell is arranged around the high-sulfur component blanking pipe, and a cyclone flow channel is arranged in the steam air channel shell.
As a further improvement to the above technical solution:
the cyclone flow channel is arranged tangentially around the high-sulfur component blanking pipe, and the steam air channel shell is provided with a steam inlet.
During operation, MTBE enters into the cyclone desulfurization device shell through the inlet pipe, the cyclone flow channel is arranged around the tangential direction of the high-sulfur component blanking pipe, steam enters into the cyclone flow channel from the steam inlet, the steam air channel shell is heated to heat the MTBE when passing through the cyclone flow channel, the MTBE is evaporated firstly and flows into the upper part due to the difference of the boiling points of the high-sulfur component and the MTBE, the high-sulfur component enters into the next procedure through the MTBE outlet, the residual high-sulfur component is slowly accumulated, and finally the high-sulfur component blanking pipe falls.
The cyclone flow channel is arranged around the tangential direction of the high-sulfur component blanking pipe, and steam is discharged in the cyclone flow channel in a rotating circle, so that the shell of the cyclone desulfurization device is continuously heated, and the evaporation efficiency is improved.
The cyclone hot air continuously rotates around the inverted cone-shaped pipe after entering the conical evaporator, and because the large-diameter end of the inverted cone-shaped pipe faces upwards, the cyclone rotates and rises between the inverted cone-shaped pipe and the shell wall of the conical evaporator and is discharged from the opening at the top end of the inverted cone-shaped pipe, the cyclone moves from a larger space to a smaller space, the movement speed is gradually increased, and therefore the heat carried by the cyclone is more constantly transmitted to the shell of the evaporator and the shell of the secondary desulfurization device.
The MTBE raw materials enters into second grade desulphurization unit after the one-level desulfurization, spray the one-level through the shower head and slowly flow cover and conical evaporimeter, carry out the secondary evaporation to the MTBE raw materials, because slowly flow the setting of cover step and evaporimeter step portion, the MTBE raw materials becomes long with thermal contact time when downflow, the evaporation area obtains the increase, the evaporation becomes more abundant, the MTBE raw materials breaks away from its high sulphur component that contains through the two-stage desulfurization, the effectual sulphur content that contains among the MTBE that has reduced.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals, and in the drawings, the elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of a cyclone desulfurization apparatus in an example;
FIG. 3 is a schematic view of the structure of the cyclone flow path;
FIG. 4 is a schematic structural view of a blister;
FIG. 5 is a schematic view of a baffle configuration;
FIG. 6 is a schematic structural diagram of a secondary cyclone desulfurization device.
In the figure:
1-a cyclone desulfurization device; 2-first level flow control valve group; 3-a secondary desulfurization unit; 4-a secondary flow control valve group; 5-a reflux tank; 101-high sulfur component recovery tank; 102-a leg; 103-a cyclone flow channel; 104-a step portion; 105-a feed pipe; 106-a baffle; 1061-baffle hole; 107-MTBE outlet; 108-top of the column; 109-cyclone desulfurizing device shell; 110-blisters; 111-high sulfur component down pipe; 112-a steam outlet; 113-a steam inlet; 114-a thermometer; 115-conical blanking funnel; 116-a down pipe; 117-steam duct housing; 1101-ceramic plate; 1102-ceramic plate holes; 1103-a blister shell; 301-air outlet cylinder; 302-secondary desulfurization unit legs; 303-cyclone generator; 304-evaporator air intake; 305-secondary desulfurization unit feed tube; 306-a shower head; 307-discharge hole; 308-a primary flow slowing cover; 309-slow flow cover step; 310-evaporator step; 311-a reverse tapered tube; 312-cyclone generator air inlet; 313-an air outlet pipe of the evaporator; 314-secondary desulfurization unit housing; 315-conical evaporator; 316-waste outlet.
Detailed Description
The following embodiments are only used for illustrating the technical solutions of the present invention more clearly, and therefore, the following embodiments are only used as examples, and the protection scope of the present invention is not limited thereby.
As shown in the attached drawing 1, the MTBE desulfurization and purification device comprises a cyclone desulfurization device 1, wherein the cyclone desulfurization device 1 is communicated with a first-level flow control valve group 2 through a pipeline, the first-level flow control valve group 2 is communicated with a second-level desulfurization device 3, the second-level desulfurization device 3 is communicated with a second-level flow control valve group 4, and the second-level flow control valve group 4 is communicated with a reflux tank 5.
As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the cyclone desulfurization apparatus 1 includes a cyclone desulfurization apparatus housing 109, and the bottom of the cyclone desulfurization apparatus housing 109 is provided with the support legs 102.
A bubble cap 110 is fixedly provided in the cyclone housing 109, and the bubble cap 110 is fixed to the inner wall of the cyclone housing 109.
The bubble cap 110 comprises a conical bubble cap shell 1103, a plurality of annular step parts 104 are arranged on the outer conical surface of the bubble cap shell 1103, and the large-diameter end of the bubble cap 110 faces downwards.
The maximum diameter of the bubble cap 110 is smaller than the inner diameter of the cyclone housing 109, and the bottom of the bubble cap 110 is fixedly welded to the inner wall of the cyclone housing 109 by a rectangular connecting block, which is not shown in fig. 2 due to the sectional angle.
The cyclone housing 109 has a feed pipe 105, and MTBE is introduced from the feed pipe 105, flows through the bubble cap 110, slowly falls down along the step 104 of the bubble cap, and sufficiently displaces heat with the hot gas while flowing over the outer surface of the bubble cap, thereby evaporating MTBE and allowing the remaining high-sulfur components to continue to fall.
The top of the blister 110 is provided with a circular ceramic plate 1101, a plurality of ceramic plate holes 1102 are formed in the ceramic plate 1101, in this embodiment, the ceramic plate holes 1102 are uniformly distributed on the ceramic plate 1101, and the ceramic plate holes 1102 may also be arranged in other manners.
A guide plate 106 is fixedly arranged above the bubble cap 110, a plurality of guide plate holes 1061 are formed in the guide plate 106, and the guide plate 106 is positioned right above the ceramic plate 1101.
A high-sulfur component blanking pipe 111 is fixedly arranged below the bubble cap 110, a steam air duct shell 117 is arranged around the high-sulfur component blanking pipe 111, a cyclone flow passage 103 is arranged in the steam air duct shell 117, and the steam air duct shell 117 is provided with a steam inlet 113.
The steam duct housing 117 is provided at a position near the bottom of the cyclone desulfurization device housing 109.
In operation, MTBE enters cyclone housing 109 through feed tube 105.
The cyclone flow channel 103 is arranged around the tangential direction of the high-sulfur component blanking pipe 111, steam enters the cyclone flow channel 103 from the steam inlet 113, the steam channel shell 117 is heated when the steam passes through the cyclone flow channel 103 so as to heat MTBE, the MTBE is firstly evaporated to the upper part due to the difference of the boiling points of the high-sulfur component and the MTBE, the next process is carried out through the MTBE outlet 107, and the residual high-sulfur component is slowly accumulated and finally falls through the high-sulfur component blanking pipe 111.
The cyclone flow channel 103 is tangentially arranged around the high-sulfur component blanking pipe 111, and the steam rotates for a circle in the cyclone flow channel 103 and is discharged, so that the casing 109 of the cyclone desulfurization device is continuously heated, and the evaporation efficiency is improved.
The top of the cyclone desulfurization device 1 is provided with a tower top 108; a steam outlet 112 is formed in the steam air duct shell 117, and the high-sulfur components fall through a high-sulfur component blanking pipe 111 and enter a conical blanking funnel 115 and a high-sulfur component recovery box 101 to complete the separation process; the cyclone desulfurization device 1 is provided with a thermometer 114, and a conical blanking funnel 115 is communicated with a blanking pipe 116.
As shown in fig. 6, an MTBE desulfurization purification device comprises a second-stage desulfurization device shell 314, a plurality of spray headers 306 are arranged at positions close to the top in the second-stage desulfurization device shell 314, the spray headers 306 are communicated with a second-stage desulfurization device feeding pipe 305, the second-stage desulfurization device feeding pipe 305 is communicated with an MTBE outlet 107, and a second-stage desulfurization device supporting leg 302 is arranged at the bottom of the second-stage desulfurization device 3.
A conical evaporator 315 is arranged below the shower head 306, a plurality of annular evaporator steps 310 are arranged on the outer conical surface of the conical evaporator 315, and the large-diameter end of the conical evaporator 315 faces downwards.
Be provided with one-level unhurried current cover 308 between shower head 306 and the conical evaporimeter 315, one-level unhurried current cover 308 is conical tubular structure, is provided with a plurality of annular unhurried current cover steps 309 on the one-level unhurried current cover 308 inner wall, and a plurality of annular unhurried current cover steps 309 set gradually from the top down in the vertical direction.
The conical evaporator 315 is hollow to form a conical chamber, an evaporator air inlet 304 is disposed on a wall of the conical evaporator 315, the evaporator air inlet 304 is disposed near the bottom of the conical evaporator 315, and a reverse taper pipe 311 is disposed near the bottom in the conical evaporator 315.
The primary buffer flow hood 308 is located right above the conical evaporator 315, and the top end of the conical evaporator 315 extends into the primary buffer flow hood 308.
The inverse cone-shaped pipe 311 is a cone-shaped tubular structure, the large-diameter end of the inverse cone-shaped pipe 311 faces upwards, and the inverse cone-shaped pipe 311 is communicated with an evaporator air outlet pipe 313.
The inverse conical tube 311 is communicated with the air outlet cylinder 301 through an evaporator air outlet tube 313, the bottom of the secondary desulfurization device shell 314 is provided with a cyclone generator 303, the cyclone generator 303 comprises a cyclone generator air inlet 312, and an air outlet of the cyclone generator 303 is communicated with the evaporator air inlet 304.
The top of the secondary desulfurization device 3 is provided with a discharge port 307, and the discharge port 307 is communicated with the reflux tank 5.
The swirling hot air continuously rotates around the inverted cone-shaped pipe 311 after entering the conical evaporator 315, and because the large-diameter end of the inverted cone-shaped pipe 311 faces upwards, the cyclone rotates and rises between the inverted cone-shaped pipe 311 and the wall of the conical evaporator 315, and then the swirling hot air is discharged from the top opening of the inverted cone-shaped pipe 311, the cyclone moves from a larger space to a smaller space, the moving speed is gradually increased, and therefore the heat carried by the cyclone is constantly transferred to the shell of the conical evaporator 15 and the shell 314 of the secondary desulfurization device.
The secondary desulfurization device 3 is provided with a reject outlet 316 near the bottom, and the reject is discharged through the reject outlet 316.
The MTBE raw materials enters into second grade desulphurization unit 3 after the one-level desulfurization, spray to one-level unhurried current cover 308 and conical evaporimeter 315 through shower head 306, carry out the secondary evaporation to the MTBE raw materials, because unhurried current cover step 309 and evaporimeter step portion 310's setting, the MTBE raw materials becomes long with thermal contact time when downflow, the evaporation area obtains the increase, the evaporation becomes more abundant, the MTBE raw materials breaks away from its high sulphur component through the two-stage desulfurization, the effectual sulphur content that has reduced in the MTBE.
Claims (10)
1. The utility model provides a MTBE desulfurization purification device, includes cyclone (1), and cyclone (1) has one-level flow control valves (2) through the pipeline intercommunication, and one-level flow control valves (2) intercommunication has second grade desulphurization unit (3), its characterized in that: the cyclone desulfurization device (1) comprises a cyclone desulfurization device shell (109), a bubble cap (110) is fixedly arranged in the cyclone desulfurization device shell (109), the bubble cap (110) comprises a conical bubble cap shell (1103), and a plurality of annular step parts (104) are arranged on the outer conical surface of the bubble cap shell (1103);
the secondary desulfurization device (3) comprises a secondary desulfurization device shell (314), a plurality of spray headers (306) are arranged in the secondary desulfurization device shell (314) and close to the top, a conical evaporator (315) is arranged below the spray headers (306), and a plurality of annular evaporator step parts (310) are arranged on the outer conical surface of the conical evaporator (315).
2. The MTBE desulfurization purification apparatus of claim 1, wherein: a primary slow flow cover (308) is arranged between the spray header (306) and the conical evaporator (315), the primary slow flow cover (308) is of a conical tubular structure, a plurality of annular slow flow cover steps (309) are arranged on the inner wall of the primary slow flow cover (308), and the annular slow flow cover steps (309) are sequentially arranged from top to bottom in the vertical direction.
3. The MTBE desulfurization purification device according to claim 2, wherein: the primary slow flow cover (308) is positioned right above the conical evaporator (315), and the top end of the conical evaporator (315) extends into the primary slow flow cover (308).
4. The MTBE desulfurization purification device according to claim 3, wherein: the conical evaporator (315) is hollow to form a conical chamber, an evaporator air inlet (304) is arranged on the wall of the conical evaporator (315), the evaporator air inlet (304) is arranged at a position close to the bottom of the conical evaporator (315), and an inverted cone-shaped pipe (311) is arranged at a position close to the bottom in the conical evaporator (315).
5. The MTBE desulfurization purification device according to claim 4, wherein: the inverted cone-shaped pipe (311) is of a cone-shaped tubular structure, the large-diameter end of the inverted cone-shaped pipe (311) faces upwards, and the inverted cone-shaped pipe (311) is communicated with an air outlet pipe (313) of the evaporator.
6. The MTBE desulfurization purification device according to claim 5, wherein: the inverted cone-shaped pipe (311) is communicated with an air outlet cylinder (301) through an evaporator air outlet pipe (313), the bottom of the secondary desulfurization device shell (314) is provided with a cyclone generator (303), and the cyclone generator (303) comprises a cyclone generator air inlet (312).
7. The MTBE desulfurization purification apparatus of claim 1, wherein: the large diameter end of the bubble cap (110) faces downwards; the maximum diameter of the bubble cap (110) is smaller than the inner diameter of the shell (109) of the cyclone desulfurization device; the top of the blister (110) is provided with a circular ceramic plate (1101), a plurality of ceramic plate holes (1102) are formed in the ceramic plate (1101), and the ceramic plate holes (1102) are uniformly distributed in the ceramic plate (1101).
8. The MTBE desulfurization purification device of claim 7, wherein: a guide plate (106) is fixedly arranged above the bubble cap (110), and a plurality of guide plate holes (1061) are formed in the guide plate (106).
9. The MTBE desulfurization purification apparatus of claim 8, wherein: a high-sulfur component blanking pipe (111) is fixedly arranged below the bubble cap (110), a steam air duct shell (117) is arranged around the high-sulfur component blanking pipe (111), and a cyclone flow channel (103) is arranged in the steam air duct shell (117).
10. The MTBE desulfurization purification apparatus of claim 9, wherein: the cyclone flow channel (103) is arranged around the tangential direction of the high-sulfur component blanking pipe (111), and the steam duct shell (117) is provided with a steam inlet (113).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210261019.6A CN114712870B (en) | 2022-03-17 | 2022-03-17 | MTBE desulfurization purification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210261019.6A CN114712870B (en) | 2022-03-17 | 2022-03-17 | MTBE desulfurization purification device |
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| CN114712870B CN114712870B (en) | 2024-02-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117654107A (en) * | 2024-02-02 | 2024-03-08 | 弘润石化(潍坊)有限责任公司 | Liquefied gas MTBE extraction desulfurization equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117654107A (en) * | 2024-02-02 | 2024-03-08 | 弘润石化(潍坊)有限责任公司 | Liquefied gas MTBE extraction desulfurization equipment |
| CN117654107B (en) * | 2024-02-02 | 2024-04-09 | 弘润石化(潍坊)有限责任公司 | Liquefied gas MTBE extraction desulfurization equipment |
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