CN210127203U - Production device for preparing high-purity isobutene by cracking methyl tert-butyl ether - Google Patents
Production device for preparing high-purity isobutene by cracking methyl tert-butyl ether Download PDFInfo
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- CN210127203U CN210127203U CN201920828727.7U CN201920828727U CN210127203U CN 210127203 U CN210127203 U CN 210127203U CN 201920828727 U CN201920828727 U CN 201920828727U CN 210127203 U CN210127203 U CN 210127203U
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- butyl ether
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Abstract
The utility model discloses a apparatus for producing for methyl tert butyl ether schizolysis preparation high-purity isobutene, including the apparatus for producing body, the apparatus for producing body includes methyl tert butyl ether cracker and sets up the methyl alcohol washing tower in methyl tert butyl ether cracker one side, and the intercommunication has same first outlet duct between methyl tert butyl ether cracker and the methyl alcohol washing tower, and one side that methyl tert butyl ether cracker was kept away from to the methyl alcohol washing tower is equipped with the isobutene and takes off heavy tower, and the intercommunication has same second outlet duct between methyl alcohol washing tower and the isobutene takes off heavy tower, the delivery port has been seted up on one side inner wall of methyl alcohol washing tower, and the internal fixed cover of delivery port is equipped with the outlet pipe. The utility model relates to a rationally, convenient operation is convenient for drive the reciprocal horizontal hunting of shower nozzle and sprays the more extensive of reactant in to methyl alcohol washing tower for methyl alcohol washing tower is better to the washing effect of methyl alcohol in the reactant, satisfies the user demand.
Description
Technical Field
The utility model relates to an isobutene production facility technical field especially relates to a apparatus for producing that is used for methyl tert butyl ether to split preparation high-purity isobutene.
Background
Methyl tert-butyl ether is an important chemical raw material, can be used as an analytical solvent and an extracting agent, can be used for preparing high-purity isobutene through cracking, and also can be used for producing methacrolein and methacrylic acid, a liquid phase method is generally adopted in the preparation of isobutene through cracking of methyl tert-butyl ether in chemical production, the conventional device for preparing isobutene through cracking of methyl tert-butyl ether mainly comprises a methyl tert-butyl ether refining tower, a methyl tert-butyl ether cracker, a methanol washing tower, an isobutene de-heavy tower, an isobutene refining tower (a light component removal tower) and a methanol refining tower, the high-purity isobutene is prepared through matching of the methyl tert-butyl ether refining tower, the methyl tert-butyl ether cracker, the methanol washing tower, the isobutene de-heavy tower, the isobutene refining tower (the light component removal tower) and the methanol refining tower, and the methanol is washed by water.
However, the spray head of the methanol water washing tower in the conventional device for preparing isobutene by cracking methyl tert-butyl ether is generally fixedly arranged in the methanol water washing tower, so that water is not conveniently sprayed in a left-right swinging manner, and the spraying range of the spray head is limited, so that the methanol water washing tower has poor effect on washing methanol in reaction products and cannot meet the use requirement, and therefore, the production device for preparing high-purity isobutene by cracking methyl tert-butyl ether is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a production device for preparing high-purity isobutene by cracking methyl tert-butyl ether.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a production device for preparing high-purity isobutene through methyl tert-butyl ether cracking comprises a production device body, wherein the production device body comprises a methyl tert-butyl ether cracker and a methanol washing tower arranged on one side of the methyl tert-butyl ether cracker, a same first air outlet pipe is communicated between the methyl tert-butyl ether cracker and the methanol washing tower, an isobutene de-weighting tower is arranged on one side, away from the methyl tert-butyl ether cracker, of the methanol washing tower, a same second air outlet pipe is communicated between the methanol washing tower and the isobutene de-weighting tower, a water outlet is formed in the inner wall of one side of the methanol washing tower, a water outlet pipe is fixedly sleeved in the water outlet, a water tank is fixedly arranged at the top of the methanol washing tower in a threaded mode, a water pump is arranged in the water tank, the water outlet of the water pump extends out of the water tank and is connected with an L-shaped pipe, and the, the L-shaped pipe is fixedly connected with the methanol washing tower, one end of the hose, which is far away from the L-shaped pipe, is connected with a spray head, a pin shaft is rotatably arranged on the inner wall of one side of the methanol washing tower, a connecting piece is fixedly sleeved on the pin shaft, the bottom of the connecting piece is fixedly welded with one side of the spray head, a rectangular groove is formed in the inner wall of the top of the methanol washing tower, the inner walls of two sides of the rectangular groove are welded with a same positioning rod, a vertical rod is movably sleeved on the positioning rod, the bottom end of the vertical rod extends into the methanol washing tower, a connecting rod is welded on one side of the vertical rod, a rack is fixedly arranged at the top of the connecting rod, a gear positioned on one side of the connecting piece is fixedly sleeved on the pin shaft and is meshed with the rack, a first groove is formed in the inner wall of the top of, the top of the moving block extends into the first groove, one side of the moving block is nested with first balls located in the first groove, the first balls are in rolling contact with the outer side of the eccentric wheel, and a plurality of compression springs are fixedly connected between one side of the moving block, away from the eccentric wheel, and the inner wall of one side of the first groove.
Preferably, a square hole is formed in one side of the vertical rod, second balls are nested on inner walls of four sides of the square hole, the positioning rod is located between the four second balls, and the second balls are in rolling contact with the outer side of the positioning rod.
Preferably, a bearing is fixedly installed on the inner wall of one side of the methanol washing tower, and an inner ring of the bearing is fixedly sleeved with the outer side of the pin shaft.
Preferably, one side of the gear is provided with a first round hole, and the side wall of the first round hole is fixedly connected with the outer side of the pin shaft.
Preferably, the number of the compression springs is four to six, and the four to six compression springs are equally spaced on one side inner wall of the first groove.
Preferably, a second round hole is formed in the inner wall of the top of the methanol washing tower, and the side wall of the second round hole is fixedly connected with the outer side of the L-shaped pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
through the matching of a methyl tert-butyl ether cracker, a methanol washing tower, an isobutene de-weighting tower, a water outlet pipe, a water tank, an L-shaped pipe, a spray head, a connecting sheet, a rectangular groove, a positioning rod, a vertical rod, a rack, a connecting rod, a first groove, a moving block, a compression spring, an eccentric wheel and a driving motor with a gear, the spray head positively starts the driving motor in the process of spraying reactants flowing through the methanol washing tower, an output shaft of the driving motor drives the eccentric wheel to rotate, when the eccentric wheel rotates for the first half circle, the extrusion force of the eccentric wheel to the first ball is gradually weakened, at the moment, the elasticity of the compression spring drives the vertical rod to move through the moving block, the vertical rod drives four second balls to roll on the positioning rod, the vertical rod drives the rack to move through the connecting rod, the rack drives the gear, when the eccentric wheel rotates to the latter half circle, the eccentric wheel extrudes the first ball, the extruding force drives the moving block through the first ball and compresses the compression spring, the moving block moves through the position of the vertical rod connecting rod, the connecting rod drives the rack to move, the rack drives the gear to rotate, the gear drives the connecting piece to rotate through the pin shaft, the connecting piece drives the spray head to rotate, the driving motor continues to rotate, under the action of the eccentric wheel, the spray head can swing in a reciprocating manner, the spray head can spray reactants in the methanol washing tower while swinging, and the spray range of the spray head is increased in the reciprocating swinging process of the spray head.
The utility model relates to a rationally, convenient operation is convenient for drive the reciprocal horizontal hunting of shower nozzle and sprays the more extensive of reactant in to methyl alcohol washing tower for methyl alcohol washing tower is better to the washing effect of methyl alcohol in the reactant, satisfies the user demand.
Drawings
FIG. 1 is a schematic structural diagram of a production apparatus for preparing high-purity isobutene by cracking methyl tert-butyl ether according to the present invention;
fig. 2 is a schematic sectional structure view of a portion a in fig. 1.
In the figure: the device comprises a 1 methyl tert-butyl ether cracker, a 2 methanol washing tower, a 3 isobutene de-weighting tower, a 4 water outlet pipe, a 5 water tank, a 6L-shaped pipe, a 7 spray head, an 8 connecting sheet, a 9 rectangular groove, a 10 positioning rod, a 11 vertical rod, a 12 rack, a 13 connecting rod, a 14 first groove, a 15 moving block, a 16 compression spring, a 17 eccentric wheel, a 18 driving motor and a 19 gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a production device for preparing high-purity isobutene by methyl tert-butyl ether cracking comprises a production device body, the production device body comprises a methyl tert-butyl ether cracker 1 and a methanol washing tower 2 arranged on one side of the methyl tert-butyl ether cracker 1, a same first air outlet pipe is communicated between the methyl tert-butyl ether cracker 1 and the methanol washing tower 2, an isobutene de-weighting tower 3 is arranged on one side of the methanol washing tower 2, which is far away from the methyl tert-butyl ether cracker 1, a same second air outlet pipe is communicated between the methanol washing tower 2 and the isobutene de-weighting tower 3, a water outlet is arranged on the inner wall of one side of the methanol washing tower 2, a water outlet pipe 4 is fixedly sleeved in the water outlet, a water tank 5 is fixed on the top of the methanol washing tower 2 through threads, a water pump is arranged in the water tank 5, the water outlet of the water pump extends, the bottom end of the L-shaped pipe 6 extends into the methanol washing tower 2 and is bonded with a hose, the L-shaped pipe 6 is fixedly connected with the methanol washing tower 2, one end of the hose, which is far away from the L-shaped pipe 6, is connected with a spray head 7, a pin shaft is rotatably mounted on the inner wall of one side of the methanol washing tower 2, a connecting sheet 8 is fixedly sleeved on the pin shaft, the bottom of the connecting sheet 8 is welded and fixed with one side of the spray head 7, a rectangular groove 9 is formed in the inner wall of the top of the methanol washing tower 2, the inner walls of two sides of the rectangular groove 9 are welded with the same positioning rod 10, a vertical rod 11 is movably sleeved on the positioning rod 10, the bottom end of the vertical rod 11 extends into the methanol washing tower 2, a connecting rod 13 is welded on one side of the vertical rod 11, a rack 12 is fixedly mounted at the top of the connecting rod 13, a gear 19 positioned, a driving motor 18 is fixed on the inner wall of the top of the first groove 14 through threads, an eccentric wheel 17 is fixedly sleeved on an output shaft of the driving motor 18, a moving block 15 is welded at the top end of the vertical rod 11, the top of the moving block 15 extends into the first groove 14, a first ball positioned in the first groove 14 is nested on one side of the moving block 15, the first ball is in rolling contact with the outer side of the eccentric wheel 17, a plurality of compression springs 16 are fixedly connected between one side of the moving block 15 away from the eccentric wheel 17 and the inner wall of one side of the first groove 14, and the water outlet pipe 4, the water tank 5, the L-shaped pipe 6, the spray head 7, the connecting piece 8, the rectangular groove 9, the positioning rod 10, the vertical rod 11, the rack 12, the connecting rod 13, the first groove 14, the moving block 15, the compression springs 16, the eccentric wheel 17 and the driving motor 18 are matched with a gear 19, when the spray head 7 sprays reactants flowing through the methanol washing tower 2, the driving motor 18 is started in the forward direction, the output shaft of the driving motor 18 drives the eccentric wheel 17 to rotate, when the eccentric wheel 17 rotates for the first half circle, the extrusion force of the eccentric wheel 17 on the first ball is gradually weakened, at the moment, the elastic force of the compression spring 16 drives the vertical rod 11 to move through the movable block 15, the vertical rod 11 drives the four second balls to roll on the positioning rod 10, the vertical rod 11 drives the rack 12 to move through the connecting rod 13, the rack 12 drives the gear 19 to rotate, the gear 19 drives the connecting block 8 to rotate through the pin shaft, the connecting block 8 drives the spray head 7 to rotate, when the eccentric wheel 17 rotates for the second half circle, the eccentric wheel 17 extrudes the first ball, the extrusion force drives the movable block 15 through the first ball and compresses the compression spring 16, and the movable block 15 moves through the connecting rod, connecting rod 13 drives rack 12 position and removes, rack 12 drives gear 19 and rotates, gear 19 drives connection piece 8 through the round pin axle and rotates, connection piece 8 drives shower nozzle 7 and rotates, driving motor 18 continues to rotate, under eccentric wheel 17's effect, make shower nozzle 7 reciprocal swing, spray the reactant in methanol washing tower 2 in 7 wobbling of shower nozzle, increased the scope that shower nozzle 7 sprayed at 7 reciprocal wobbling in-process of shower nozzle, the utility model relates to a rationally, convenient operation, be convenient for drive the reactant more extensive of 7 reciprocal horizontal hunting of shower nozzle in to methanol washing tower 2 spray, make methanol washing tower 2 better to the washing effect of methanol in the reactant, satisfy the user demand.
The utility model discloses in, the square hole has been seted up to one side of montant 11, all nested the second ball on four side inner walls in square hole, locating lever 10 is located between four second balls, the outside rolling contact of second ball and locating lever 10, fixed mounting has the bearing on one side inner wall of methyl alcohol washing tower 2, the inner circle of bearing and the fixed suit in the outside of round pin axle, one side of gear 19 is equipped with first round hole, the lateral wall of first round hole and the outside fixed connection of round pin axle, compression spring 16's quantity is four to six, and four to six equidistant settings on one side inner wall of first groove 14 of compression spring 16, the second round hole has been seted up on the top inner wall of methyl alcohol washing tower 2, the lateral wall of second round hole and the outside fixed connection of L venturi tube 6, through methyl tert butyl ether cracker 1, methyl alcohol washing tower 2, isobutene takes off heavy tower 3, outlet pipe 4, water tank 5, L venturi tube 6, The sprayer 7, the connecting piece 8, the rectangular groove 9, the positioning rod 10, the vertical rod 11, the rack 12, the connecting rod 13, the first groove 14, the moving block 15, the compression spring 16, the eccentric wheel 17 and the driving motor 18 are matched with the gear 19, the sprayer 7 positively starts the driving motor 18 in the process of spraying reactants flowing through the methanol washing tower 2, the output shaft of the driving motor 18 drives the eccentric wheel 17 to rotate, when the eccentric wheel 17 rotates for the first half circle, the extrusion force of the eccentric wheel 17 on the first ball is gradually weakened, at the moment, the elastic force of the compression spring 16 drives the vertical rod 11 to move through the moving block 15, the vertical rod 11 drives four second balls to roll on the positioning rod 10, the vertical rod 11 drives the rack 12 to move through the connecting rod 13, the rack 12 drives the gear 19 to rotate, the gear 19 drives the connecting piece 8 to rotate through a pin shaft, the, when the eccentric wheel 17 rotates to the rear half circle, the eccentric wheel 17 extrudes the first ball, the extruding force drives the moving block 15 and compresses the compression spring 16 through the first ball, the moving block 15 moves through the connecting rod 13 of the vertical rod 11, the connecting rod 13 drives the rack 12 to move, the rack 12 drives the gear 19 to rotate, the gear 19 drives the connecting piece 8 to rotate through the pin shaft, the connecting piece 8 drives the spray head 7 to rotate, the driving motor 18 continues to rotate, under the action of the eccentric wheel 17, the spray head 7 swings back and forth, the reactant in the methanol washing tower 2 is sprayed while the spray head 7 swings, the spraying range of the spray head 7 is increased in the process of the back and forth swing of the spray head 7, the utility model has the advantages of reasonable design and convenient operation, and is convenient for driving the spray head 7 to swing back and forth and left and right to spray the reactant in the methanol washing tower, so that the methanol washing tower 2 has better washing effect on the methanol in the reactant and meets the use requirement.
The working principle is as follows: when the device is used, when methanol in reactants flowing through the methanol washing tower 2 needs to be washed, the water pump is started, water in the water tank 5 sequentially flows through the L-shaped pipe 6, the hose and the spray head 7, the water flows out through the spray head 7 and sprays the reactants flowing through the methanol washing tower 2, the driving motor 18 is started forward, the output shaft of the driving motor 18 drives the eccentric wheel 17 to rotate, when the eccentric wheel 17 rotates for the first half circle, the extrusion force of the eccentric wheel 17 on the first ball is gradually weakened, at the moment, the elastic force of the compression spring 16 drives the moving block 15 to move, the moving block 5 drives the vertical rod 11 to move, the vertical rod 11 drives the four second balls to roll on the positioning rod 10, meanwhile, the vertical rod 11 drives the connecting rod 13 to move, the connecting rod 13 drives the rack 12 to move while moving, and because the rack 12 is meshed with the gear 19, the rack 12 drives the gear 19 to rotate while moving, the gear 19 drives the pin shaft to rotate, the pin shaft drives the connecting piece 8 to rotate, the connecting piece 8 drives the spray head 7 to rotate, when the eccentric wheel 17 rotates to a later half circle, the eccentric wheel 17 extrudes first balls, the extruding force drives the first balls to move, the first balls drive the moving block 15 to move, the moving block 15 compresses the compression spring 16 while moving, the moving block 15 drives the vertical rod 11 to move, the vertical rod 11 drives four second balls to roll on the positioning rod 10, the vertical rod 11 drives the connecting rod 13 to move, the connecting rod 13 drives the rack 12 to move, the rack 12 drives the gear 19 to rotate while moving, the gear 19 drives the pin shaft to rotate, the pin shaft drives the connecting piece 8 to rotate, the connecting piece 8 drives the spray head 7 to rotate, the driving motor 18 continues to rotate, the spray head 7 swings to and fro under the action of the eccentric wheel 17, and the spray reactants in the methanol washing tower 2 while swinging, make the methyl alcohol in the reactant washed away by water at the in-process that shower nozzle 7 sprayed, increased the scope that shower nozzle 7 sprayed at the in-process of shower nozzle 7 reciprocating swing for the washing effect of methyl alcohol among the methyl alcohol washing tower 2 to the reactant is better, and under the mating reaction of second ball, the friction has been reduced simultaneously.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The production device for preparing high-purity isobutene through methyl tert-butyl ether cracking comprises a production device body, wherein the production device body comprises a methyl tert-butyl ether cracker (1) and a methanol washing tower (2) arranged on one side of the methyl tert-butyl ether cracker (1), a same first air outlet pipe is communicated between the methyl tert-butyl ether cracker (1) and the methanol washing tower (2), an isobutene de-weighting tower (3) is arranged on one side, far away from the methyl tert-butyl ether cracker (1), of the methanol washing tower (2), a same second air outlet pipe is communicated between the methanol washing tower (2) and the isobutene de-weighting tower (3), the production device is characterized in that a water outlet is formed in the inner wall on one side of the methanol washing tower (2), a water outlet pipe (4) is fixedly sleeved in the water outlet, a water tank (5) is fixed to the top of the methanol washing tower (2) through threads, a water pump is arranged in the water tank (5), a water outlet of the water pump extends out of the water tank (5) and is connected with an L-shaped pipe (6), the bottom end of the L-shaped pipe (6) extends into the methanol washing tower (2) and is adhered with a hose, the L-shaped pipe (6) is fixedly connected with the methanol washing tower (2), one end of the hose far away from the L-shaped pipe (6) is connected with a spray head (7), a pin shaft is rotatably arranged on the inner wall of one side of the methanol washing tower (2), a connecting piece (8) is fixedly sleeved on the pin shaft, the bottom of the connecting piece (8) is fixedly welded with one side of the spray head (7), a rectangular groove (9) is formed in the inner wall of the top of the methanol washing tower (2), the same positioning rod (10) is welded on the inner walls of two sides of the rectangular groove (9), a vertical rod (11) is movably sleeved on the positioning rod (10), the bottom end of the vertical, a rack (12) is fixedly arranged at the top of the connecting rod (13), a gear (19) positioned on one side of the connecting sheet (8) is fixedly sleeved on the pin shaft, the gear (19) is meshed with the rack (12), a first groove (14) is formed in the inner wall of the top of the rectangular groove (9), a driving motor (18) is fixed on the inner wall of the top of the first groove (14) in a threaded manner, an eccentric wheel (17) is fixedly sleeved on an output shaft of the driving motor (18), a moving block (15) is welded at the top end of the vertical rod (11), the top of the moving block (15) extends into the first groove (14), a first ball positioned in the first groove (14) is nested at one side of the moving block (15), the first ball is in rolling contact with the outer side of the eccentric wheel (17), a plurality of compression springs (16) are fixedly connected between one side of the moving block (15) far away from the eccentric wheel (17) and the inner wall of one side of the first groove (14).
2. The production device for preparing high-purity isobutene through methyl tert-butyl ether cracking according to claim 1, wherein a square hole is formed in one side of the vertical rod (11), second balls are nested on inner walls of four sides of the square hole, the positioning rod (10) is located among the four second balls, and the second balls are in rolling contact with the outer side of the positioning rod (10).
3. The production device for preparing high-purity isobutene through methyl tert-butyl ether cracking according to claim 1, characterized in that a bearing is fixedly mounted on the inner wall of one side of the methanol washing tower (2), and an inner ring of the bearing is fixedly sleeved on the outer side of the pin shaft.
4. The production device for preparing high-purity isobutene by cracking methyl tert-butyl ether as claimed in claim 1, wherein one side of the gear (19) is provided with a first round hole, and the side wall of the first round hole is fixedly connected with the outer side of the pin shaft.
5. The production apparatus for preparing high-purity isobutylene by methyl tert-butyl ether cleavage according to claim 1, wherein the number of said compression springs (16) is four to six, and four to six compression springs (16) are disposed at equal intervals on one side inner wall of the first groove (14).
6. The production device for preparing high-purity isobutene through methyl tert-butyl ether cracking according to claim 1, characterized in that a second circular hole is formed in the inner wall of the top of the methanol washing tower (2), and the side wall of the second circular hole is fixedly connected with the outer side of the L-shaped pipe (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828727.7U CN210127203U (en) | 2019-05-27 | 2019-05-27 | Production device for preparing high-purity isobutene by cracking methyl tert-butyl ether |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828727.7U CN210127203U (en) | 2019-05-27 | 2019-05-27 | Production device for preparing high-purity isobutene by cracking methyl tert-butyl ether |
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| CN210127203U true CN210127203U (en) | 2020-03-06 |
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| CN201920828727.7U Active CN210127203U (en) | 2019-05-27 | 2019-05-27 | Production device for preparing high-purity isobutene by cracking methyl tert-butyl ether |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967362A (en) * | 2021-12-14 | 2022-01-25 | 宁波金发新材料有限公司 | Four raw materials rectification decarbonizations three tower devices of carbon |
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2019
- 2019-05-27 CN CN201920828727.7U patent/CN210127203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967362A (en) * | 2021-12-14 | 2022-01-25 | 宁波金发新材料有限公司 | Four raw materials rectification decarbonizations three tower devices of carbon |
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