CN112156732A - Improved isobutene production equipment and production method - Google Patents
Improved isobutene production equipment and production method Download PDFInfo
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- CN112156732A CN112156732A CN202011032159.3A CN202011032159A CN112156732A CN 112156732 A CN112156732 A CN 112156732A CN 202011032159 A CN202011032159 A CN 202011032159A CN 112156732 A CN112156732 A CN 112156732A
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- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims abstract description 34
- 238000007906 compression Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 208000005156 Dehydration Diseases 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 claims 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 12
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 9
- 238000005336 cracking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 241001292396 Cirrhitidae Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004230 steam cracking Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses improved isobutene production equipment and an improved isobutene production method, which comprise a reaction kettle, a continuous pressing filter cylinder and a driving mechanism, wherein a discharge valve is fixedly welded on the bottom surface of the reaction kettle, a press-filtering reciprocating cylinder is fixedly connected on the top surface of the continuous pressing filter cylinder, a compression adjusting mechanism is fixedly installed on one side of the continuous pressing filter cylinder, the output end of the driving mechanism is in transmission connection with a bearing bush connecting rod, a variable-pressure linkage rod is rotatably installed at the bottom end of the bearing bush connecting rod, an adjustable toothed bar is movably installed inside the compression adjusting mechanism, a moving press plate is slidably installed inside the continuous pressing filter cylinder, and the top surface of the moving press plate is rotatably. According to the scheme, the two ends of the variable-pressure linkage rod respectively drive the reciprocating rack bar to perform reciprocating motion under the motion drive of the driving mechanism through the meshing with the reciprocating rack bar and the adjustable rack bar, the compression ratio of the reciprocating rack bar and the motion pressing plate can be changed, the filter pressing of different material quantities can be realized, and the practicability of the filter pressing production equipment is improved.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to improved isobutene production equipment and a production method.
Background
Isobutylene, known as 2-methylpropene, having the molecular formula C4H8It is a chemical widely used in industry. At present, the raw material for producing isobutene mainly comes from a byproduct C of a device for preparing ethylene by steam cracking of naphtha4Fraction, by-product C of oil refinery sulfurizing catalytic cracking (FCC) device4Fraction and tert-butyl alcohol (TBA) which is a by-product in the synthesis of propylene oxide by the Halcon method. The production method comprises a sulfuric acid extraction method, a tert-butyl alcohol dehydration method, an n-butene isomerization method, a methyl tert-butyl ether cracking method and the like, and in the actual industrial production, a methyl tert-butyl ether cracking method is mainly adopted, namely isobutene is obtained by catalytically cracking methyl tert-butyl ether MTBE (methyl tert-butyl ether), and Al is used as a catalyst in the catalytic cracking reaction2O3The reaction temperature is 150-300 ℃, the reaction pressure is 0.3-0.6 MPa, and the liquid volume airspeed is 1-5 h. When modified Al is selected2O3Is used as a catalyst, and the recovery conversion rate of isobutene is over 99.99 percent at the temperature of 180 ℃. Compared with other methods, the technology has the advantages of no corrosion to equipment, no pollution to the environment mirror, reasonable process flow, mild operation conditions, low energy consumption and the like.
The synthetic reaction is carried out by using a reaction kettle in the process of producing isobutene by a methyl tert-butyl ether cracking method, the product after the synthetic reaction is discharged through a discharge valve at the bottom of the reaction kettle and then is collected, the collected reaction product is required to be added into a filter press for filter pressing, the aim is to remove liquid in the reactant so as to obtain a compacted synthetic product, the synthetic product is convenient to use in subsequent production, but the existing filter press for producing isobutene has huge volume and high acquisition cost, and simultaneously, when the material discharged from the reaction kettle is moved into the filter press again, a large amount of manpower is required to be consumed in the transportation process and the adding process, a large amount of material is required to be completely filled into the filter press before the filter pressing is started, the filter press is carried out by the output of a hydraulic press, the filter press plate is easy to be broken due to large pressure, and a non-compression area is, the filter pressing effect of the product is poor, in addition, the disposable filter pressing structure easily enables a large amount of products to be pressed to block the filter material plate in the filter pressing process, so that the output is reduced, or part of the products pass through the filter material plate, and therefore the output of isobutene is influenced, and certain defects exist.
Chinese utility model patent with application number CN201821040584.5 discloses a filter pressing mechanism for isobutylene production. The method comprises the following steps: the device comprises a box body, a partition plate, filter cloth, a cylinder II, a pressure plate, a cylinder I, a liquid discharge pipe and a discharge port; the compression intracavity is added with synthetic material through the blowing pipe after opening the blowing valve, add a certain amount after with the blowing valve closed, the piston rod of cylinder II stretches out, its drive clamp plate moves down, because the width phase-match of clamp plate width and compression chamber, its length and with the push pedal with compress the length phase-match between the chamber lateral wall, consequently the clamp plate carries out the compaction operation with the compression intracavity and the regional material that is located between the push pedal, the liquid of extrusion falls into the stock solution chamber through the mesh hole on the baffle after the filter cloth filters, finally discharges through the fluid-discharge tube. The piston rod of cylinder I stretches out outward, and it promotes the material through the push pedal and discharges from the bin outlet. The operation of filter pressing the materials in the reactor after the variable reaction is realized, the manpower labor is reduced, the production efficiency is improved, and the cost is reduced.
However, the above prior art still has the problem of poor filter pressing effect in the actual production process, and therefore, there is a need for an improved isobutene production apparatus and production method, which at least partially solves or improves the above problems of the prior art.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides improved isobutene production equipment and a production method, wherein two ends of a variable-pressure linkage rod are respectively meshed with a reciprocating rack rod and an adjustable rack rod to drive the reciprocating rack rod to reciprocate under the motion drive of a drive mechanism, the compression ratio of the reciprocating rack rod and a motion pressing plate is changed through the lifting motion of the adjustable rack rod, so that the filter pressing of different material quantities is realized, and a double-layer filter pressing and filtering plate structure is further adopted, so that the product can be effectively prevented from passing through, and at least one problem in the background art is solved.
In order to achieve the purpose, the invention provides the following technical scheme that the improved isobutene production equipment comprises a reaction kettle, a continuous pressure filter cylinder and a driving mechanism, wherein a discharge valve is fixedly welded on the bottom surface of the reaction kettle, the other end of the discharge valve is fixedly connected with a material guide pipe, the other end of the material guide pipe is communicated with the inside of the continuous pressure filter cylinder, the top surface of the continuous pressure filter cylinder is fixedly connected with a filter pressing reciprocating cylinder, one side of the continuous pressure filter cylinder is fixedly provided with a compression adjusting mechanism, the output end of the driving mechanism is in transmission connection with a bearing bush connecting rod, the bottom end of the bearing bush connecting rod is rotatably provided with a transformation linkage rod, the inside of the compression adjusting mechanism is movably provided with an adjustable toothed bar, the inside of the continuous pressure filter cylinder is slidably provided with a motion pressing plate, the top surface of the motion pressing plate is rotatably connected with a reciprocating motion toothed bar, the reciprocating motion toothed, the bottom end of the compression adjusting mechanism is movably provided with a discharging cylinder;
a filtrate plate mechanism is fixedly installed inside the continuous pressure filter cylinder, a discharge valve port and a cleaning valve port are respectively formed in one side of the continuous pressure filter cylinder, a discharge pipe is formed in the bottom surface of the continuous pressure filter cylinder, the periphery of the filtrate plate mechanism is abutted to the inner wall of the continuous pressure filter cylinder, a piston ring is sleeved on the periphery of the motion pressure plate, the outer side of the piston ring is in interference fit with the inner wall of the continuous pressure filter cylinder, and valve covers are arranged inside the discharge valve port and the cleaning valve port;
the driving mechanism comprises a driving box body, a speed reducing motor and a crankshaft, the speed reducing motor is fixedly arranged in the driving box body, one end of the crankshaft is in transmission connection with the output end of the driving box body, one end of the bearing bush connecting rod is movably sleeved on the outer side of the crankshaft, and a balancing weight block is fixedly welded on one side of the crankshaft;
the top surface of the compression adjusting mechanism is fixedly welded with an adjusting nut, the adjustable rack bar comprises an adjusting screw rod and a supporting rack bar, the adjusting screw rod is sleeved on the inner side of the adjusting nut in a threaded manner, the bottom end of the adjusting screw rod is rotatably connected with the top end of the supporting rack bar, and the supporting rack bar and the inner side of the reciprocating rack bar, which is opposite to the adjusting screw rod, are provided with gear teeth;
the variable-voltage linkage rod comprises a connecting rod, a connecting lug and tooth blocks, wherein the tooth blocks are distributed at two ends of the connecting rod in a blending mode, the tooth blocks at two ends are respectively meshed with the inner sides of the reciprocating motion tooth rod and the supporting tooth rod, and the bottom end of the connecting lug is fixedly connected with the top surface of the connecting rod.
Preferably, the filter pressing reciprocating cylinder is located right above the reciprocating motion rack bar, the motion pressing plate is of a circular pressing plate structure, and the connecting end of the reciprocating motion rack bar and the motion pressing plate is located at the circle center of the motion pressing plate.
Preferably, the top end of the adjusting screw rod penetrates through the top surface of the compression adjusting mechanism and is located on the outer side of the compression adjusting mechanism, a rotating button is fixedly mounted at the top end of the adjusting screw rod, and the adjusting nut is matched with the thread of the adjusting screw rod.
Preferably, the filter plate mechanism comprises a first filter pressing plate and a second filter plate, the discharge valve port and the cleaning valve port are respectively positioned above the horizontal height of the first filter pressing plate and the horizontal height of the second filter plate, the first filter pressing plate is a stainless steel component, a supporting ring seat is arranged on the bottom surface of the first filter pressing plate, and the peripheral side of the supporting ring seat is welded and fixed with the inner wall of the continuous filter pressing cylinder.
Preferably, the first filter pressing plate and the second filter plate have the same structure, and the first filter pressing plate and the second filter plate have the same filter pore shape and pore size.
Preferably, the bottom end of the connecting lug is fixedly welded with the top surface of the connecting rod, and the joint of the connecting lug and the connecting rod deviates from the midline of the connecting rod and is close to one side of the reciprocating rack.
An improved isobutylene production process comprising the steps of:
s1: the reaction kettle is communicated with the interior of the continuous pressure filter cylinder through the material guide pipe, after the reaction of the materials in the reaction kettle is completed, the discharge valve is opened, the working power supply of the driving mechanism is simultaneously opened, the materials after the reaction in the reaction kettle freely fall through gravity to the interior of the continuous pressure filter cylinder and be positioned above the first pressure filter plate, part of the material liquid is directly collected from the port of the discharge pipe through the filtration of the first pressure filter plate and the second filter plate, and the rest materials are intercepted to the top surface of the first pressure filter plate;
s2: under the rotation drive of the reducing motor, the crankshaft is driven to rotate so as to convert the rotating mechanical energy of the reducing motor into the motion kinetic energy of the variable-pressure linkage rod through the crankshaft and the bearing bush connecting rod, one end of the variable-pressure linkage rod swings along the connecting point of the gear block and the bearing bush connecting rod in a state of being meshed with the supporting gear rod, one end of the variable-pressure linkage rod, which is meshed with the reciprocating gear rod, swings so as to drive the reciprocating gear rod and the motion pressing plate to reciprocate up and down, and the product is repeatedly extruded in cooperation with the entering of the product, so that the gradual filter pressing of the product is realized, and the product is overlapped layer by layer;
s3: after a period of time, when the products in the continuous pressure filter cylinder are excessive, the adjusting screw rod is rotated to adjust the height of the adjustable toothed bar, the inclination angle of the variable-pressure linkage rod is changed by utilizing the meshing of the supporting toothed bar and the variable-pressure linkage rod, and the reciprocating deflection angle of the variable-pressure linkage rod and the reciprocating toothed bar is changed in the process that the bearing bush connecting rod drives the variable-pressure linkage rod to perform deflection motion, so that the change of the compression stroke length of the motion pressure plate is realized, and the change of the product amount is adapted;
s4: and closing the driving mechanism after the end time of feeding is finished, opening a valve cover at the position of a discharge valve port through a discharge air cylinder, cleaning a dehydrated product, opening a valve cover at the position of a cleaning valve port, cleaning a small amount of product between the first filter pressing plate and the second filter pressing plate, and performing secondary extrusion dehydration treatment on the product to obtain a compacted synthesized product.
Preferably, in step S1, the material falls through the material guiding pipe and moves to the bottom surface of the moving press plate and the inside of the cavity above the first filter press plate, and the material is repeatedly stacked on the top surface of the material extruded in the previous time by stroke extrusion of the moving press plate, and the thickness of the moving press plate is greater than the aperture of the material guiding pipe and the continuous filter press cylinder communication hole, so as to prevent the material from falling above the moving press plate.
Preferably, the height of the supporting rack bar is changed in step S3 such that one side of the transforming linkage rod is deflected along the connection point of the connection lug and the bottom end of the reciprocating rack bar, and the other end of the connecting rod is changed in ascending and descending processes.
The invention has the technical effects and advantages that:
1. according to the invention, two ends of the variable-pressure linkage rod are respectively meshed with the reciprocating rack rod and the adjustable rack rod to drive the reciprocating rack rod to reciprocate under the motion drive of the drive mechanism, the inclination angle of one end of the variable-pressure linkage rod can be changed through the lifting motion of the adjustable rack rod so as to change the motion amplitude of the other end of the variable-pressure linkage rod, the compression ratio of the reciprocating rack rod and the motion pressing plate is changed, the filter pressing of different material quantities can be realized, and the practicability of the filter pressing production equipment is improved;
2. according to the continuous-stroke filter pressing device, the reciprocating motion rack bar is arranged in the continuous-pressing filter cylinder, the reciprocating drive of the driving mechanism is utilized to drive the moving press plate to continuously reciprocate so as to realize continuous stroke filter pressing on the filter material, continuous filter pressing can be performed layer by layer in the blanking process, the filter pressing of isobutene production materials is ensured to be performed layer by layer, and the filter pressing effect is improved.
3. According to the invention, after the filter pressing inside the continuous filter pressing cylinder is finished, the filter pressing product and part of excess material passing through the filter plate can be respectively cleaned and discharged through the discharge valve port and the cleaning valve port, so that the interior of the continuous filter pressing cylinder can be quickly cleaned, the maintenance efficiency is improved, and the double-layer filter pressing and filter plate structure can effectively prevent the product from passing through and reduce the waste.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the continuous compression filter cartridge of the present invention;
FIG. 3 is a schematic view of the driving mechanism of the present invention;
FIG. 4 is a schematic structural view of a filtrate plate mechanism of the present invention;
FIG. 5 is a schematic view of the reciprocating rack bar mounting arrangement of the present invention;
FIG. 6 is a schematic view of the internal structure of the compression adjustment mechanism of the present invention;
FIG. 7 is a schematic view of a structure of a transformer linkage rod according to the present invention.
The reference signs are:
1. a reaction kettle; 2. continuously pressing the filter cartridge; 3. filter pressing the reciprocating cylinder; 4. a drive mechanism; 5. a compression adjustment mechanism; 6. a discharge cylinder; 7. a reciprocating rack bar; 8. a voltage transformation linkage rod; 9. an adjustable rack bar; 10. a bearing bush connecting rod; 11. a discharge valve; 12. a material guide pipe; 21. a discharge valve port; 22. cleaning the valve port; 23. a discharge pipe; 24. moving the press plate; 25. a filtrate plate mechanism; 41. a driving box body; 42. a reduction motor; 43. a crankshaft; 44. balancing the balancing weight block; 51. adjusting the nut; 81. a connecting rod; 82. connecting lugs; 83. a tooth block; 91. adjusting the screw rod; 92. a support rack; 251. a first filter press plate; 252. a second filter plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-7, an embodiment of the invention provides an improved isobutene production device, which comprises a reaction kettle 1, a continuous pressure filter cylinder 2 and a driving mechanism 4, wherein a discharge valve 11 is fixedly welded on the bottom surface of the reaction kettle 1, the other end of the discharge valve 11 is fixedly connected with a material guide pipe 12, the other end of the material guide pipe 12 is communicated with the inside of the continuous pressure filter cylinder 2, a filter pressing reciprocating cylinder 3 is fixedly connected on the top surface of the continuous pressure filter cylinder 2, a compression adjusting mechanism 5 is fixedly installed on one side of the continuous pressure filter cylinder 2, the output end of the driving mechanism 4 is in transmission connection with a bearing bush connecting rod 10, a variable pressure linkage rod 8 is rotatably installed at the bottom end of the bearing bush connecting rod 10, an adjustable toothed rod 9 is movably installed inside the compression adjusting mechanism 5, a moving press plate 24 is slidably installed inside the continuous pressure filter cylinder 2, the top surface of the moving press plate 24 is rotatably connected with a reciprocating toothed rod 7, the, the bottom end of the compression adjusting mechanism 5 is movably provided with a discharging cylinder 6, the filter pressing reciprocating cylinder 3 is positioned right above the reciprocating rack bar 7, the moving pressing plate 24 is in a circular pressing plate structure, and the connecting end of the reciprocating rack bar 7 and the moving pressing plate 24 is positioned at the circle center of the moving pressing plate 24;
a filtrate plate mechanism 25 is fixedly installed inside the continuous pressure filter cylinder 2, a discharge valve port 21 and a cleaning valve port 22 are respectively formed in one side of the continuous pressure filter cylinder 2, a discharge pipe 23 is formed in the bottom surface of the continuous pressure filter cylinder 2, the peripheral side of the filtrate plate mechanism 25 is mutually abutted with the inner wall of the continuous pressure filter cylinder 2, a piston ring is sleeved on the peripheral side of a moving pressure plate 24, the outer side of the piston ring is in interference fit with the inner wall of the continuous pressure filter cylinder 2, and valve covers are arranged inside the discharge valve port 21 and the cleaning valve port 22;
the driving mechanism 4 comprises a driving box body 41, a speed reducing motor 42 and a crankshaft 43, the speed reducing motor 42 is fixedly arranged inside the driving box body 41, one end of the crankshaft 43 is in transmission connection with the output end of the driving box body 41, one end of the bearing bush connecting rod 10 is movably sleeved outside the crankshaft 43, and a balancing weight block 44 is fixedly welded on one side of the crankshaft 43;
the top surface of the compression adjusting mechanism 5 is fixedly welded with an adjusting nut 51, the adjustable toothed bar 9 comprises an adjusting screw 91 and a supporting toothed bar 92, the adjusting screw 91 is in threaded sleeve connection with the inner side of the adjusting nut 51, the bottom end of the adjusting screw 91 is rotatably connected with the top end of the supporting toothed bar 92, and the supporting toothed bar 92 and the opposite inner side of the reciprocating toothed bar 7 are provided with gear teeth;
referring to fig. 2 and 7, the voltage transformation linkage rod 8 includes a connecting rod 81, a connecting lug 82 and tooth blocks 83, the tooth blocks 83 are symmetrically distributed at two ends of the connecting rod 81, the tooth blocks 83 at two ends are respectively engaged with the inner sides of the reciprocating tooth rod 7 and the supporting tooth rod 92, the bottom end of the connecting lug 82 is fixedly connected with the top surface of the connecting rod 81, the bottom end of the connecting lug 82 is fixedly welded with the top surface of the connecting rod 81, and the joint of the connecting lug 82 and the connecting rod 81 deviates from the center line of the connecting rod 81 and is close to one side of the reciprocating tooth rod 7.
Referring to fig. 6, the top end of the adjusting screw 91 penetrates through the top surface of the compression adjusting mechanism 5 and is located outside the compression adjusting mechanism 5, the top end of the adjusting screw 91 is fixedly provided with a rotating button, and the adjusting nut 51 is matched with the thread of the adjusting screw 91.
Specifically, when the height of the supporting rack bar 92 is adjusted, the height of the adjusting screw 91 is changed by rotating the engagement of the adjusting screw 91 and the adjusting nut 51, so that the pressure swing linkage 8 is obliquely deflected.
Referring to fig. 2 and 4, the filter plate mechanism 25 includes a first filter press plate 251 and a second filter plate 252, the discharge valve port 21 and the cleaning valve port 22 are respectively located above the horizontal height of the first filter press plate 251 and the second filter plate 252, the first filter press plate 251 is a stainless steel member, a support ring seat is disposed on the bottom surface of the first filter press plate 251, the circumferential side of the support ring seat is welded and fixed to the inner wall of the continuous filter cartridge 2, the first filter press plate 251 and the second filter plate 252 have the same structure, and the shape and the aperture size of the filter holes of the first filter press plate 251 and the second filter plate 252 are the same.
Specifically, the first filter pressing plate 251 and the second filter pressing plate 252 are used for performing filter pressing respectively, materials passing through the filter pressing are blocked, the materials are prevented from being discharged together with waste liquid after passing through the first filter pressing plate 251, secondary interception is performed, and waste is reduced.
An improved production method of isobutene production equipment specifically comprises the following steps:
s1: communicating a reaction kettle 1 with the interior of a continuous pressure filter cylinder 2 through a material guide pipe 12, after the reaction of the materials in the reaction kettle 1 is finished, opening a discharge valve 11 and simultaneously opening a working power supply of a driving mechanism 4, wherein the materials after the reaction in the reaction kettle 1 freely fall through gravity to the interior of the continuous pressure filter cylinder 2 and are positioned above a first pressure filter plate 251, part of the material liquid is directly collected from a port of a discharge pipe 23 through the filtration of the first pressure filter plate 251 and a second filter plate 252, and the rest of the material liquid is intercepted to the top surface of the first pressure filter plate 251;
s2: under the rotation drive of the reducing motor 42, the crankshaft 43 is driven to rotate, so that the rotating mechanical energy of the reducing motor 42 is converted into the motion kinetic energy of the variable-pressure linkage rod 8 through the crankshaft 43 and the bearing bush connecting rod 10, one end of the variable-pressure linkage rod 8 swings along the connecting point of the tooth block 83 and the bearing bush connecting rod 10 in a state of being meshed with the supporting tooth rod 92, one end of the variable-pressure linkage rod 8, which is meshed with the reciprocating tooth rod 7, swings, so that the reciprocating tooth rod 7 and the motion pressing plate 24 are driven to reciprocate up and down, and the product is repeatedly extruded in cooperation with the entering of the product, so that the gradual filter pressing of the product is realized, and the product is overlapped layer by layer;
s3: after a period of time, when the products in the continuous-pressure filter cartridge 2 are excessive, the adjusting screw rod 91 is rotated to adjust the height of the adjustable toothed bar 9, the inclination angle of the variable-pressure linkage bar 8 is changed by utilizing the meshing of the supporting toothed bar 92 and the variable-pressure linkage bar 8, and then the reciprocating deflection angle between the adjustable toothed bar and the reciprocating toothed bar 7 is changed in the process that the bearing bush connecting rod 10 drives the variable-pressure linkage bar 8 to perform deflection motion, so that the length of the compression stroke of the movable pressing plate 24 is changed, and the change of the product amount is adapted;
s4: and closing the driving mechanism 4 after a period of time for finishing feeding, opening the valve cover at the discharge valve port 21 through the discharge air cylinder 6 to clean a dehydrated product, opening the valve cover at the cleaning valve port 22 to clean a small amount of product between the first filter pressing plate 251 and the second filter plate 252, and performing secondary extrusion dehydration treatment on the product to obtain a compacted synthetic product.
Specifically, in step S1, the material is dropped through the material guiding pipe 12 and moves to the bottom surface of the moving platen 24 and the inside of the cavity above the first filter press plate 251, the material is repeatedly stacked on the top surface of the material extruded last time by the stroke extrusion of the moving platen 24, and the thickness of the moving platen 24 is larger than the aperture of the communicating hole between the material guiding pipe 12 and the continuous filter press 2, so as to prevent the material from dropping above the moving platen 24.
Specifically, in step S3, the height of the supporting rack bar 92 is changed, so that one side of the transformation linkage bar 8 is deflected along the connecting point of the connecting lug 82 and the bottom end of the reciprocating rack bar 7, and the other end of the connecting rod 81 is changed in the lifting process.
Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;
finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The improved isobutene production equipment comprises a reaction kettle (1), a continuous pressure filter cylinder (2), a filter-pressing reciprocating cylinder (3) and a driving mechanism (4), wherein a discharge valve (11) is fixedly welded on the bottom surface of the reaction kettle (1), the other end of the discharge valve (11) is fixedly connected with a material guide pipe (12), the improved isobutene production equipment is characterized in that the other end of the material guide pipe (12) is communicated with the inside of the continuous pressure filter cylinder (2), the top surface of the continuous pressure filter cylinder (2) is fixedly connected with the filter-pressing reciprocating cylinder (3), one side of the continuous pressure filter cylinder (2) is fixedly provided with a compression adjusting mechanism (5), the output end of the driving mechanism (4) is in transmission connection with a bearing bush connecting rod (10), the bottom end of the bearing bush connecting rod (10) is rotatably provided with a variable-pressure linkage rod (8), and the inside of the compression adjusting mechanism (5), a moving pressure plate (24) is slidably mounted inside the continuous pressure filter cylinder (2), the top surface of the moving pressure plate (24) is rotatably connected with a reciprocating rack bar (17), the reciprocating rack bar (7) and an adjustable rack bar (9) are respectively in transmission connection with two sides of a variable pressure linkage rod (8), and a discharging cylinder (6) is movably mounted at the bottom end of the compression adjusting mechanism (5);
a filtrate plate mechanism (25) is fixedly installed inside the continuous pressure filter cylinder (2), a discharge valve port (21) and a cleaning valve port (22) are respectively formed in one side of the continuous pressure filter cylinder (2), a discharge pipe (23) is formed in the bottom surface of the continuous pressure filter cylinder (2), the peripheral side of the filtrate plate mechanism (25) is abutted to the inner wall of the continuous pressure filter cylinder (2), a piston ring is sleeved on the peripheral side of the moving pressure plate (24), the outer side of the piston ring is in interference fit with the inner wall of the continuous pressure filter cylinder (2), and valve covers are arranged inside the discharge valve port (21) and the cleaning valve port (22);
the driving mechanism (4) comprises a driving box body (41), a speed reducing motor (42) and a crankshaft (43), the speed reducing motor (42) is fixedly installed inside the driving box body (41), one end of the crankshaft (43) is in transmission connection with the output end of the driving box body (41), one end of the bearing bush connecting rod (10) is movably sleeved on the outer side of the crankshaft (43), and a balancing weight block (44) is fixedly welded on one side of the crankshaft (43);
an adjusting nut (51) is fixedly welded on the top surface of the compression adjusting mechanism (5), the adjustable toothed bar (9) comprises an adjusting screw rod (91) and a supporting toothed bar (92), the adjusting screw rod (91) is in threaded sleeve connection with the inner side of the adjusting nut (51), the bottom end of the adjusting screw rod (91) is rotatably connected with the top end of the supporting toothed bar (92), and gear teeth are arranged on the opposite inner sides of the supporting toothed bar (92) and the reciprocating toothed bar (7);
vary voltage gangbar (8) include connecting rod (81), engaging lug (82) and tooth piece (83), tooth piece (83) are the both ends of symmetric distribution in connecting rod (81), both ends tooth piece (83) respectively with reciprocating motion ratch (7) and support the inboard intermeshing of ratch (92), the bottom of engaging lug (82) and the top surface fixed connection of connecting rod (81), the central line that connecting rod (81) were deviated in the junction of engaging lug (82) and connecting rod (81) is close to one side of reciprocating motion ratch (7).
2. The improved isobutene production equipment as claimed in claim 1, wherein said filter-pressing reciprocating cylinder is located right above reciprocating rack bar, said moving press plate is circular press plate structure, and the connecting end of said reciprocating rack bar and moving press plate is located at the center of circle of moving press plate.
3. The improved isobutene production equipment as claimed in any one of claims 1 to 2, characterized in that the top end of the adjusting screw rod (91) penetrates through the top surface of the compression adjusting mechanism (5) and is located outside the compression adjusting mechanism (5), a rotary knob is fixedly mounted on the top end of the adjusting screw rod (91), and the adjusting nut (51) is matched with the thread of the adjusting screw rod (91).
4. Improved isobutene production plant according to any one of claims 1 to 3, characterized in that the filtrate plate means (25) comprises a first filter press plate (251) and a second filter plate (252), the discharge valve port (21) and the cleaning valve port (22) being located above the level of the first filter press plate (251) and the second filter plate (252), respectively, the first filter press plate (251) being a stainless steel member, the bottom surface of the first filter press plate (251) being provided with a support ring seat, the peripheral side of the support ring seat being welded to the inner wall of the continuous compression filter cartridge (2).
5. Improved isobutene production plant according to claim 4, characterized in that the first filter press plate (251) and the second filter plate (252) are of identical construction, the filter pore shape and pore size of the first filter press plate (251) and the second filter plate (252) being identical.
6. Process for the production of an improved isobutene production plant according to any one of claims 1 to 5, characterized in that it comprises the following steps:
s1: the method comprises the following steps that a reaction kettle (1) is communicated with the interior of a continuous pressure filter cylinder (2) through a material guide pipe (12), after the reaction of materials in the reaction kettle (1) is completed, a discharge valve (11) is opened and a working power supply of a driving mechanism (4) is simultaneously opened, the materials after the reaction in the reaction kettle (1) are freely dropped by gravity to the interior of the continuous pressure filter cylinder and are positioned above a first pressure filter plate (251), part of feed liquid is directly collected from a port of a discharge pipe through the filtration of the first pressure filter plate (251) and a second filter plate (252), and the rest materials are intercepted to the top surface of the first pressure filter plate (251);
s2: under the rotary drive of a speed reducing motor (42), a crankshaft (43) is driven to rotate, so that the rotating mechanical energy of the speed reducing motor (42) is converted into the motion kinetic energy of a variable-pressure linkage rod (8) through the crankshaft (43) and a bearing bush connecting rod (10), one end of the variable-pressure linkage rod (8) swings along the connecting point of a tooth block (83) and the bearing bush connecting rod (10) in a state of being meshed with a supporting tooth rod (92), one end of the variable-pressure linkage rod (8) which is meshed and connected with a reciprocating tooth rod (7) swings, so that the reciprocating tooth rod (7) and a motion pressing plate (24) are driven to reciprocate up and down, and the matched product enters into the reciprocating gear to extrude the product, so that the gradual filter pressing of the product is realized, and the product is laminated and stacked layer by layer;
s3: after a period of time, when the products in the continuous pressure filter cylinder (2) are excessive, the adjusting screw rod (91) is rotated so as to adjust the height of the adjustable toothed bar (9), the inclination angle of the variable-pressure linkage bar (8) is changed by utilizing the meshing of the supporting toothed bar (92) and the variable-pressure linkage bar (8), and then the reciprocating deflection angle between the variable-pressure linkage bar (8) and the reciprocating toothed bar (7) is changed in the process that the bearing bush connecting rod (10) drives the variable-pressure linkage bar (8) to perform deflection motion, so that the change of the compression stroke length of the moving press plate (24) is realized, and the change of the product amount is;
s4: and closing the driving mechanism (4) after a period of time when the feeding is finished, opening a valve cover at the discharging valve port (21) through the discharging cylinder (6), cleaning a dehydrated product, opening a valve cover at the cleaning valve port (22), cleaning a small amount of product between the first filter pressing plate (251) and the second filter pressing plate (252), and performing secondary extrusion dehydration treatment on the product to obtain a compacted synthetic product.
7. The improved apparatus for manufacturing isobutene as claimed in claim 6, characterized in that the material is dropped through the guide tube (12) to the inside of the cavity above the bottom surface of the moving platen (24) and the first filter press plate (251) in step S1, and the material is repeatedly stacked on the top surface of the material after the last extrusion by the stroke extrusion of the moving platen (24), and the thickness of the moving platen (24) is larger than the diameter of the hole communicating the guide tube (12) and the continuous filter press cylinder (2).
8. The improved apparatus for the production of isobutene as claimed in any one of claims 6 to 7, characterized in that in step S3 the height of the supporting rack (92) is changed so that one side of the pressure swing linkage (8) is deflected along the connection point of the engaging lug (82) and the bottom end of the reciprocating rack (7) so that the other end of the connecting rod (810) is subjected to a change of course of lifting.
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