CN117825114A - Reactor sampling device for propane dehydrogenation propylene production equipment - Google Patents
Reactor sampling device for propane dehydrogenation propylene production equipment Download PDFInfo
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- CN117825114A CN117825114A CN202410244546.5A CN202410244546A CN117825114A CN 117825114 A CN117825114 A CN 117825114A CN 202410244546 A CN202410244546 A CN 202410244546A CN 117825114 A CN117825114 A CN 117825114A
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- pipe
- water
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- reactor
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- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 48
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 title claims abstract description 28
- 239000001294 propane Substances 0.000 title claims abstract description 24
- 238000006356 dehydrogenation reaction Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 110
- 238000003860 storage Methods 0.000 claims description 37
- 238000001914 filtration Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 239000012634 fragment Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 56
- 239000000110 cooling liquid Substances 0.000 description 35
- 239000012535 impurity Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004435 Oxo alcohol Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene, propylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- 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
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D7/00—Devices using evaporation effects without recovery of the vapour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a reactor sampling device for propane dehydrogenation propylene production equipment, which relates to the technical field of propylene production equipment and comprises a collecting mechanism arranged on a reactor, wherein the collecting mechanism comprises a collecting tank, an air inlet pipe, a partition plate, an air supply pipe and a cooling pipe, the collecting tank is arranged on one side of the reactor, an air pump is arranged on the other side of the reactor, the air inlet pipe is fixedly arranged at the output end of the air pump and is communicated with the interior of the collecting tank, three partition plates are arranged in the collecting tank from top to bottom, and the air supply pipe is fixedly arranged between the two partition plates below. The cooling mechanism and the transmission mechanism are arranged, so that the heat exchange efficiency is improved, the cooling effect of the finished gas is enhanced, the detection effect of the finished gas is convenient and rapid, the time required by sampling for multiple times is reduced, the detection efficiency is improved, and the condition that an operator is injured during sampling is avoided.
Description
Technical Field
The invention relates to the technical field of propylene production equipment, in particular to a reactor sampling device for propane dehydrogenation propylene production equipment.
Background
Propylene is used as an important petrochemical basic raw material, and downstream derivatives thereof mainly comprise polypropylene, propylene oxide, acrylonitrile, acrylic acid, isopropylbenzene, phenol, acetone, oxo-alcohol and isopropanol, and in recent years, a propylene source production process is developed as a hot spot, wherein a Propane Dehydrogenation (PDH) propylene preparation process is most focused, and the propane dehydrogenation propylene preparation technology (PDH) has extremely strong market competitiveness and development prospect due to the reaction conversion rate and high propylene selectivity, and in the production process, the generated gas needs to be sampled and detected to calculate the conversion rate of current propane.
The Chinese patent with publication number of CN214427088U discloses a reactor sampling device for propane dehydrogenation propylene production equipment, relates to the technical field of propane dehydrogenation propylene production equipment, and solves the technical problem that the product components of a single reactor cannot be specifically analyzed and abnormally judged in the prior art. The reactor sampling device comprises a cooling component, a driving component and a storage component which are connected in series.
However, the above invention has the following disadvantages:
existing sampling device in the existing market is most to detect once sample once when the sample, and is comparatively troublesome, simultaneously because the inside heat that has a large amount of gas that waits to detect, need wait to detect the gas when getting the gas in the above-mentioned technique and cool down, but only carry out heat transfer cooling to it through the cooling medium in a pipeline, the effect is relatively poor, still there is the heat in the gas that leads to waiting to detect inside, only can detect after need waiting for the finished gas cooling, lead to the operating personnel to receive the high temperature influence when getting the gas simultaneously easily, and then make detection and sampling efficiency low.
Disclosure of Invention
The invention aims to provide a reactor sampling device for propane dehydrogenation propylene production equipment, which is used for solving the problems in the background art.
The technical scheme of the invention is as follows: the utility model provides a reactor sampling device for propane dehydrogenation system propylene equipment, includes the collection mechanism that sets up on the reactor, collection mechanism includes collection tank, intake pipe, baffle, gas pipe and cooling tube, the collection tank sets up in one side of reactor, the opposite side of reactor is provided with the air pump, intake pipe fixed mounting is on the output of air pump and with the inside intercommunication of collection tank, the baffle totally three the baffle is from the top down set up the fixed mounting in the inside of collection tank, gas pipe fixed mounting is between two baffles in the below, cooling tube movable mounting is between two baffles in the top and with the top swing joint of gas pipe, the lateral wall top fixed mounting of collection tank has the blast pipe, the bottom of collection tank is provided with the storage water tank, the inside of collection tank is provided with cooling mechanism and drive mechanism;
preferably, the cooling mechanism comprises a heat insulation plate, a water pump, a water delivery pipe, a shunt pipe, a mounting ring, a spray head, a water return pipe and a collecting pipe, wherein the heat insulation plate is fixedly arranged below the inside of the collecting tank, the water pump is arranged inside the water storage tank, the water delivery pipe is fixedly arranged at the output end of the water pump, the shunt pipe is fixedly arranged on the side wall of the water delivery pipe and is communicated with the inside of the water delivery pipe, the mounting ring is arranged at the position of the collecting tank, corresponding to the air delivery pipe, inside of the shunt pipe is communicated with the inside of the mounting ring, the spray head is fixedly arranged on the inner wall of the mounting ring, the water return pipe is fixedly arranged between the top wall surface of the water storage tank and the side wall of the collecting tank, the collecting pipe is embedded and arranged on the partition plate positioned below, and the bottom of the collecting pipe downwards penetrates through the top wall surface of the water storage tank and is communicated with the inside of the water storage tank.
Preferably, the transmission mechanism comprises a driving motor, a rotating shaft, a first fan, a mounting bearing, a transmission shaft, transmission gears, a transmission belt and transmission bevel gears, wherein the driving motor is embedded and mounted at the position corresponding to the air supply pipe inside the collecting tank, the driving motor is a double-shaft motor, the rotating shaft is fixedly mounted at the output end of the driving motor, the first fan is fixedly mounted at the position corresponding to the air supply pipe in the rotating shaft, the mounting bearing is embedded and mounted at one side inside the collecting tank, the transmission shaft is fixedly mounted on an inner ring of the mounting bearing, the transmission gears are two in total, the two transmission gears are fixedly sleeved at the corresponding positions on the rotating shaft and the transmission shaft respectively, the transmission belt is movably sleeved on the two transmission gears, the transmission bevel gears are two in total, and the two transmission bevel gears are fixedly sleeved at the bottom of the cooling pipe and on the transmission shaft respectively.
Preferably, the driving motor is a double-shaft motor, the driving belt and the two driving gears are in meshed transmission, and the two driving bevel gears are in meshed transmission.
Preferably, the transmission mechanism further comprises a rotating shaft and a second fan, the rotating shaft is fixedly arranged at the output end of the other side of the driving motor, the second fan is fixedly arranged on the rotating shaft, and the position of the second fan corresponds to the position of the air inlet pipe.
Preferably, the inside of collecting vessel is provided with gas storage mechanism, and gas storage mechanism is including fly leaf, gag lever post, reset spring, loose axle, indicating ring and scale, and the fly leaf is the circular plate unanimous with the inside size of collecting vessel, and fly leaf movable mounting is in the inside top of collecting vessel, and gag lever post and reset spring are two, and two gag lever posts are equal fixed mounting at the top wall of the baffle that is uppermost, and the gag lever post runs through the upper and lower wall of fly leaf, and two reset springs cup joint respectively on two gag lever posts.
Preferably, the movable shaft is movably arranged on the top wall surface of the collecting tank, the movable shaft penetrates through the upper wall surface and the lower wall surface of the movable plate downwards and is in threaded connection with the movable plate, the indicating ring is fixedly sleeved on the top wall surface of the movable shaft, and the scales are arranged on the top wall surface of the collecting tank and correspond to the positions of the indicating ring.
Preferably, the inside of collection tank is provided with filtering mechanism, and filtering mechanism is including filtering box, filter screen, installation piece and shell fragment that resets, and the position that corresponds wet return and collecting pipe on the storage water tank lateral wall is inlayed movable mounting to the filtering box, and filter screen movable mounting is in the inside of filtering the box.
Preferably, the two installation blocks and the two reset elastic pieces are respectively and fixedly installed on two sides of the inside of the filter box, and the reset elastic pieces are fixedly installed on the bottom wall surface of the filter screen.
The invention provides a reactor sampling device for propylene preparation equipment by propane dehydrogenation through improvement, which has the following improvements and advantages compared with the prior art:
the method comprises the following steps: according to the invention, the finished gas entering the inside of the collecting tank can enter the air supply pipe first, then enters the inside of the cooling pipe again, finally is stored above the inside of the collecting tank, so that the gas is conveniently taken and detected at any time, sampling and cooling are not needed again when the gas is required to be detected next time, sampling time is shortened, detection efficiency is accelerated, heat exchange is performed between the finished gas inside the cooling pipe and water or cooling liquid through the cooling mechanism and the transmission mechanism, the finished gas is cooled, the mounting ring can spray the water or the cooling liquid to the surface of the air supply pipe through the spray head, the water or the cooling liquid on the surface is evaporated through the high temperature of the air supply pipe, heat in the finished gas can be taken away, the air supply pipe can be blown by rotation of the first fan, accordingly, the water or the cooling liquid on the air supply pipe is evaporated faster, cooling speed of the finished gas is improved, the transmission shaft further drives the cooling pipe to rotate through the transmission bevel gear, the finished gas is enabled to move inside the cooling pipe and the water or the cooling liquid in the collecting tank to exchange heat, the water or the cooling liquid is enabled to contact with the cooling pipe, the finished gas is cooled, the cooling efficiency is further improved, the water or the cooling liquid is enabled to be fully contacted with the cooling pipe, the cooling liquid is enabled, the cooling efficiency is enabled to be enabled, the cooling efficiency is improved, the cooling efficiency is convenient to be damaged when the temperature is detected when the cooling gas is required to be detected, and the cooling air is cooled, and the cooling time is convenient to be detected, and the cooling time is required to be cooled.
And two,: according to the invention, due to the threaded connection between the movable shaft and the movable plate, when the gas quantity in the collection tank changes, the movable shaft rotates due to the displacement of the movable plate, so that the indicating ring is driven to rotate, and the quantity of the residual gas in the collection tank can be observed according to the position of the indicating scale by rotating the indicating ring, so that the effect of observing the residual gas quantity in the collection tank in real time is achieved.
And thirdly,: according to the invention, the filter screen is movably arranged in the filter box, when the water return pipe and the collecting pipe return water to the inside of the water storage tank, water or cooling liquid entering the inside of the water storage tank can be filtered by the filter screen, impurities generated by heat exchange in the water or the cooling liquid are filtered, and the condition that the impurities influence the heat exchange effect in the next circulation is avoided.
Fourth, it is: according to the invention, when water or cooling liquid impacts the filter screen, the filter screen can extrude the reset elastic sheet, so that the reset elastic sheet deforms, and after the filtering is finished, the reset elastic sheet releases elastic force to vibrate the filter screen, so that the filter screen can be prevented from being blocked by filtered impurities.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a partial internal cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic view of a cooling mechanism according to the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 2 in accordance with the present invention;
fig. 6 is a schematic diagram of a filtering mechanism according to the present invention.
Reference numerals:
1. a reactor; 2. a collection mechanism; 21. a collection tank; 22. an air inlet pipe; 23. a partition plate; 24. an air supply pipe; 25. a cooling tube; 26. an exhaust pipe; 3. an air pump; 4. a water storage tank; 5. a cooling mechanism; 51. a heat insulating plate; 52. a water pump; 53. a water supply pipe; 54. a shunt; 55. a mounting ring; 56. a spray head; 57. a water return pipe; 58. a collection pipe; 6. a transmission mechanism; 61. a driving motor; 62. a rotating shaft; 63. a first fan; 64. mounting a bearing; 65. a transmission shaft; 66. a transmission gear; 67. a transmission belt; 68. driving bevel gear; 69. a second fan; 7. a gas storage mechanism; 71. a movable plate; 72. a limit rod; 73. a return spring; 74. a movable shaft; 75. an indicator ring; 76. a scale; 8. a filtering mechanism; 81. a filter box; 82. a filter screen; 83. a mounting block; 84. and resetting the spring plate.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a reactor sampling device for propylene preparation equipment by propane dehydrogenation through improvement, which comprises the following technical scheme:
as shown in fig. 1 and 2, the embodiment of the present invention provides a reactor sampling device for a propylene production apparatus by dehydrogenation of propane, comprising a collecting mechanism 2 provided on a reactor 1, the propane is dehydrogenated to produce propylene gas in the interior of the reactor 1, the collecting mechanism 2 comprises a collecting tank 21, an air inlet pipe 22, a partition 23, an air supply pipe 24 and a cooling pipe 25, the collecting tank 21 is of a hollow cylindrical structure, the collecting tank 21 is provided on one side of the reactor 1, an air pump 3 is provided on the other side of the reactor 1, an input end of the air pump 3 is communicated with the interior of the reactor 1, the air inlet pipe 22 is a cylindrical pipe, the air inlet pipe 22 is fixedly installed on an output end of the air pump 3, the other end of the air inlet pipe 22 is communicated with the interior of the collecting tank 21, the air pump 3 feeds the product gas in the interior of the reactor 1 into the interior of the collecting tank 21 through the air inlet pipe 22, the partition 23 is a circular plate with the same size as the interior of the collecting tank 21, the three partition boards 23 are fixedly arranged in the collecting tank 21 from top to bottom, the three partition boards 23 divide the inner part of the collecting tank 21 into four parts, the lowest part is an air inlet bin, the middle part is a cooling bin, the upper part is a storage bin, the air supply pipe 24 is a cylindrical pipe, the air supply pipe 24 is fixedly arranged between the two lower partition boards 23, the cooling pipe 25 is in a serpentine structure, the cooling pipe 25 is movably arranged between the two upper partition boards 23, the bottom of the cooling pipe 25 is movably connected with the top of the air supply pipe 24, the upper part of the cooling pipe 25 is communicated with the upper part of the inner part of the collecting tank 21, a check valve is arranged above the inner part of the cooling pipe 25, finished gas entering the inner part of the collecting tank 21 firstly enters the air supply pipe 24, then enters the inner part of the cooling pipe 25 again and finally is stored above the inner part of the collecting tank 21, so that the finished gas can be conveniently taken and detected at any time, when the detection is needed next time, sampling and cooling are not needed, sampling time is shortened, detection efficiency is accelerated, an exhaust pipe 26 is fixedly arranged above the side wall of the collecting tank 21, the exhaust pipe 26 is a cylindrical pipe, the exhaust pipe 26 is used for discharging the finished gas stored in the collecting tank 21 for collecting and detecting, the bottom of the collecting tank 21 is provided with a water storage tank 4, the water storage tank 4 is of a hollow cylindrical structure, and the water storage tank 4 is used for storing water or cooling liquid for cooling the finished gas;
further, a cooling mechanism 5 and a transmission mechanism 6 are arranged inside the collection tank 21;
as shown in fig. 2 and 4, the cooling mechanism 5 comprises a heat insulation plate 51, a water pump 52, a water supply pipe 53, a shunt pipe 54, a mounting ring 55, a spray head 56, a water return pipe 57 and a collecting pipe 58, wherein the heat insulation plate 51 is a plate with a rectangular structure, the heat insulation plate 51 is fixedly arranged below the inside of the collecting tank 21, the water pump 52 is arranged inside the water storage tank 4, the water supply pipe 53 is a cylindrical pipe, the water supply pipe 53 is fixedly arranged on the output end of the water pump 52, the water supply pipe 53 upwards penetrates through the bottom wall surface of the collecting mechanism 2 and the upper and lower wall surfaces of the two baffles 23 below, the shunt pipe 54 is an L-shaped pipe, the shunt pipe 54 is fixedly arranged on the side wall of the water supply pipe 53 and is communicated with the inside of the water supply pipe 53, the mounting ring 55 is of a circular ring structure, the mounting ring 55 is arranged inside the collecting tank 21 at a position corresponding to the position of the air supply pipe 24, the top of the shunt pipe 54 is fixedly connected with the side wall of the mounting ring 55, the inside of the shunt tubes 54 is communicated with the inside of the mounting ring 55, a plurality of spray heads 56 are shared, the spray heads 56 are uniformly and fixedly arranged on the inner wall of the mounting ring 55, the water return tube 57 is an L-shaped tube, the water return tube 57 is fixedly arranged between the top wall surface of the water storage tank 4 and the side wall of the collecting tank 21, the water return tube 57 communicates the inside of the water storage tank 4 with the inside of the collecting tank 21, the collecting tube 58 is a cylindrical tube, the collecting tube 58 is inlaid on the baffle plate 23 positioned below, the bottom of the collecting tube 58 penetrates downwards through the top wall surface of the water storage tank 4 and is communicated with the inside of the water storage tank 4, when the finished gas is transported, the water pump 52 is started by the water pump 52 through the water supply tube 53, the finished gas positioned inside the cooling tube 25 exchanges heat with the water or the cooling liquid when the water or the cooling liquid is fed into the upper part of the inside of the collecting tank 21, and then cooling the product gas, and when the product gas passes through the inside of the air supply pipe 24, water or cooling liquid in the air supply pipe 53 can be split into the inside of the split pipe 54, the split pipe 54 supplies water or cooling liquid into the inside of the mounting ring 55, the mounting ring 55 can spray the water or cooling liquid onto the surface of the air supply pipe 24 through the spray head 56, the water or cooling liquid on the surface can be evaporated through the high temperature of the air supply pipe 24, heat in the product gas can be taken away, and the water or cooling liquid after heat exchange in the collecting tank 21 can return to the inside of the water storage tank 4 through the water return pipe 57 or the collecting pipe 58 for recycling.
As shown in fig. 2 and 3, the driving mechanism 6 comprises a driving motor 61, a rotating shaft 62, a first fan 63, a mounting bearing 64, a transmission shaft 65, a transmission gear 66, a transmission belt 67 and a transmission bevel 68, wherein the driving motor 61 is embedded and mounted at the position of the corresponding air supply pipe 24 inside the collecting tank 21, the driving motor 61 is a double-shaft motor, the rotating shaft 62 is in a cylindrical structure, the rotating shaft 62 is fixedly mounted at the output end of the driving motor 61, the first fan 63 is fixedly mounted at the position of the rotating shaft 62 corresponding to the air supply pipe 24, when the spray head 56 is used for spraying and cooling the split pipe 54, the driving motor 61 is started, the driving motor 61 drives the first fan 63 to rotate through the rotating shaft 62, the first fan 63 can blow air to the air supply pipe 24, so that water or cooling liquid on the air supply pipe 24 is evaporated faster, the mounting bearing 64 is embedded and mounted at one side inside the collecting tank 21, the transmission shaft 65 is in a cylindrical structure, the transmission shaft 65 is fixedly mounted on the inner ring of the mounting bearing 64, the transmission gear 66 is sleeved with two transmission gears 66, the two transmission gears 66 are respectively fixedly sleeved on the positions of the corresponding driving shaft 62 and the two transmission shafts 66, the two transmission gears 67 are respectively meshed with the two transmission shafts 66 and the transmission belt 67 and the two transmission belt 67 are meshed with the transmission gear 68, and the transmission belt 68 is meshed with the transmission belt 68, and the transmission belt 68 is rotatably driven by the transmission belt 68, and the transmission belt 68 is meshed with the transmission belt 68, the finished gas rotates when moving in the cooling pipe 25 and exchanging heat with the water or the cooling liquid in the collecting tank 21, so that the water or the cooling liquid can be more fully contacted with the cooling pipe 25, and all the water or the cooling liquid in the collecting tank 21 can exchange heat with the cooling pipe 25, thereby improving the heat exchange efficiency and further enhancing the cooling effect of the finished gas;
further, the transmission mechanism 6 further includes a rotating shaft 62 and a second fan 69, the rotating shaft 62 is fixedly installed at the output end of the other side of the driving motor 61, the second fan 69 is fixedly installed on the rotating shaft 62, and the position of the second fan 69 corresponds to the position of the air inlet pipe 22, so that the driving motor 61 can also drive the second fan 69 to rotate when being started, the second fan 69 can rotate to blow air on the surface of the air inlet pipe 22, and the blowing air can enable the finished gas to be simply cooled in a first step before entering the inside of the collecting tank 21, so that the cooling effect of the subsequent step is improved.
In one embodiment, as shown in fig. 2 and 5, the gas storage mechanism 7 is arranged in the collecting tank 21, the gas storage mechanism 7 comprises a movable plate 71, a limiting rod 72, a reset spring 73, a movable shaft 74, an indicating ring 75 and a scale 76, the movable plate 71 is a circular plate with the same size as the inside of the collecting tank 21, the movable plate 71 is movably arranged at the uppermost part of the inside of the collecting tank 21, when the cooling pipe 25 conveys the finished gas above the inside of the collecting tank 21, the movable plate 71 moves upwards along with the increase of the finished gas, the limiting rod 72 and the reset spring 73 are both two, the limiting rod 72 is in a cylindrical structure, the two limiting rods 72 are fixedly arranged on the top wall surface of the uppermost partition plate 23, the limiting rod 72 penetrates through the upper wall surface and the lower wall surface of the movable plate 71, the two reset springs 73 are respectively sleeved on the two limiting rods 72, when the gas to be detected in the collection tank 21 is partially taken, the movable plate 71 moves under the action of the return spring 73, the movable shaft 74 is in a cylindrical structure with threads, the movable shaft 74 is movably arranged on the top wall surface of the collection tank 21, the movable shaft 74 downwards penetrates through the upper wall surface and the lower wall surface of the movable plate 71 and is in threaded connection with the movable plate 71, the indicating ring 75 is fixedly sleeved on the top wall surface of the movable shaft 74, the graduation 76 is arranged on the top wall surface of the collection tank 21 and corresponds to the position of the indicating ring 75, because the movable shaft 74 is in threaded connection with the movable plate 71, when the gas amount of the finished product in the collection tank 21 changes, the movable shaft 74 rotates due to the displacement of the movable plate 71, the indicating ring 75 is driven to rotate, the rotation of the indicating ring 75 can observe the residual gas amount in the collection tank 21 according to the position pointing to the graduation 76, thereby achieving the effect that the residual gas amount in the collection tank 21 can be observed in real time.
In an embodiment, as shown in fig. 2 and 6, a filtering mechanism 8 is arranged in the collecting tank 21, the filtering mechanism 8 comprises a filtering box 81, a filtering net 82, a mounting block 83 and a reset spring piece 84, the filtering box 81 is of a hollow rectangular structure, the filtering box 81 is embedded and movably mounted on the side wall of the water storage tank 4 at a position corresponding to the water return pipe 57 and the collecting pipe 58, the filtering net 82 is movably mounted in the filtering box 81, when the water return pipe 57 and the collecting pipe 58 return water to the interior of the water storage tank 4, water or cooling liquid entering the interior of the water storage tank 4 is filtered through the filtering net 82, impurities generated by heat exchange in the water or cooling liquid are filtered out, and the condition that the impurities influence on the heat exchange effect in the next circulation is avoided;
the installation piece 83 and the shell fragment 84 that resets all have two, the installation piece 83 is the piece of rectangle structure, two installation pieces 83 are fixed mounting respectively in the inside both sides of filter cassette 81, the shell fragment 84 that resets is the arc and has elastic piece, shell fragment 84 fixed mounting resets is in the bottom wall of filter screen 82, and then make when water or coolant liquid strike on the filter screen 82, filter screen 82 can extrude shell fragment 84 that resets and make the shell fragment 84 that resets produce deformation, after the filtration is accomplished, the shell fragment 84 that resets releases elasticity and vibrates filter screen 82, the impurity that the vibration can avoid filtering out blocks up filter screen 82.
The specific implementation steps are as follows:
the air pump 3 sends the product gas in the reactor 1 into the collecting tank 21 through the air inlet pipe 22, the product gas entering the collecting tank 21 firstly enters the air supply pipe 24, then enters the cooling pipe 25 again and finally is stored above the collecting tank 21, the water pump 52 is started, the water pump 52 sends the water or cooling liquid in the water storage tank 4 into the upper part of the collecting tank 21 through the water supply pipe 53, the product gas in the cooling pipe 25 exchanges heat with the water or cooling liquid at the moment, the temperature of the product gas is lowered, meanwhile, when the product gas passes through the air supply pipe 24, the water or cooling liquid in the water supply pipe 53 is shunted into the shunt pipe 54, the shunt pipe 54 sends the water or cooling liquid into the installation ring 55, the installation ring 55 can spray the water or cooling liquid to the surface of the air supply pipe 24 through the spray heads 56, the heat in the finished gas can be taken away by evaporating water or cooling liquid on the surface through the high temperature of the air supply pipe 24, meanwhile, the driving motor 61 is started, the driving motor 61 drives the first fan 63 to rotate through the rotating shaft 62, the first fan 63 rotates to blow air to the air supply pipe 24, so that the water or cooling liquid on the air supply pipe 24 evaporates faster, the cooling speed of the finished gas is improved, the rotating shaft 62 can drive the transmission shaft 65 to rotate through the transmission gear 66 and the transmission belt 67, the transmission shaft 65 further drives the cooling pipe 25 to rotate through the transmission bevel 68, the finished gas moves in the cooling pipe 25 and rotates when exchanging heat with the water or cooling liquid in the collecting tank 21, the contact between the water or cooling liquid and the cooling pipe 25 is more sufficient, all the water or cooling liquid in the collecting tank 21 can exchange heat with the cooling pipe 25, the heat exchange efficiency is improved, further enhancing the cooling effect on the finished gas.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. Reactor sampling device for a plant for the production of propylene by dehydrogenation of propane, comprising a collection mechanism (2) arranged on the reactor (1), characterized in that: the utility model provides a collection mechanism (2) is including collection tank (21), intake pipe (22), baffle (23), air pipe (24) and cooling tube (25), collection tank (21) set up one side in reactor (1), the opposite side of reactor (1) is provided with air pump (3), intake pipe (22) fixed mounting is on the output of air pump (3) and with the inside intercommunication of collection tank (21), baffle (23) total three baffle (23) from the top down set up fixed mounting in the inside of collection tank (21), air pipe (24) fixed mounting is between two baffles (23) in the below, cooling tube (25) movable mounting is between two baffles (23) in top and with the top swing joint of air pipe (24), the lateral wall top fixed mounting of collection tank (21) has blast pipe (26), the bottom of collection tank (21) is provided with storage water tank (4), the inside of collection tank (21) is provided with cooling mechanism (5) and drive mechanism (6).
2. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 1, characterized in that: the cooling mechanism (5) comprises a heat insulation plate (51), a water pump (52), a water supply pipe (53), a shunt pipe (54), a mounting ring (55), a spray head (56), a water return pipe (57) and a collecting pipe (58), wherein the heat insulation plate (51) is fixedly arranged below the inside of the collecting tank (21), the water pump (52) is arranged inside the water storage tank (4), the water supply pipe (53) is fixedly arranged at the output end of the water pump (52), the shunt pipe (54) is fixedly arranged on the side wall of the water supply pipe (53) and is communicated with the inside of the water supply pipe (53), the mounting ring (55) is arranged at the position inside the collecting tank (21) corresponding to the air supply pipe (24), the inside of the shunt pipe (54) is communicated with the inside of the mounting ring (55), the spray head (56) is fixedly arranged on the inner wall of the mounting ring (55), the water return pipe (57) is fixedly arranged between the top wall surface of the water storage tank (4) and the side wall of the collecting tank (21), the collecting pipe (58) is inlaid on the partition plate (23) positioned below, and the bottom of the collecting pipe (58) penetrates the top surface of the water storage tank (4) downwards and is communicated with the inside of the water storage tank (4).
3. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 1, characterized in that: the transmission mechanism (6) comprises a driving motor (61), a rotating shaft (62), a first fan (63), a mounting bearing (64), a transmission shaft (65), transmission gears (66), a transmission belt (67) and transmission bevel gears (68), wherein the driving motor (61) is embedded and installed at the position corresponding to the air supply pipe (24) in the collecting tank (21), the rotating shaft (62) is fixedly installed at the output end of the driving motor (61), the first fan (63) is fixedly installed at the position corresponding to the air supply pipe (24) in the rotating shaft (62), the mounting bearing (64) is embedded and installed at one side in the collecting tank (21), the transmission shaft (65) is fixedly installed on the inner ring of the mounting bearing (64), the transmission gears (66) are respectively fixedly sleeved at the corresponding positions on the rotating shaft (62) and the transmission shaft (65), the transmission belt (67) is movably sleeved on the two transmission gears (66), the transmission bevel gears (68) are respectively fixedly sleeved at the bottom of the cooling pipe (25) and the transmission shaft (65).
4. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 3, characterized in that: the driving motor (61) is a double-shaft motor, the driving belt (67) and the two driving gears (66) are meshed for transmission, and the two driving bevel gears (68) are meshed for transmission.
5. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 3, characterized in that: the transmission mechanism (6) further comprises a rotating shaft (62) and a second fan (69), the rotating shaft (62) is fixedly arranged at the output end of the other side of the driving motor (61), the second fan (69) is fixedly arranged on the rotating shaft (62), and the position of the second fan (69) corresponds to the position of the air inlet pipe (22).
6. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 1, characterized in that: the inside of collection jar (21) is provided with gas storage mechanism (7), gas storage mechanism (7) are including fly leaf (71), gag lever post (72), reset spring (73), loose axle (74), instruct ring (75) and scale (76), fly leaf (71) are the circular plate unanimous with collection jar (21) inside size, fly leaf (71) movable mounting is in the inside top of collection jar (21), gag lever post (72) and reset spring (73) are two, two equal fixed mounting of gag lever post (72) are in the top wall of top baffle (23), upper and lower wall that gag lever post (72) run through fly leaf (71), two reset springs (73) cup joint respectively on two gag lever posts (72).
7. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 6, characterized in that: the movable shaft (74) is movably arranged on the top wall surface of the collecting tank (21), the movable shaft (74) downwards penetrates through the upper wall surface and the lower wall surface of the movable plate (71) and is in threaded connection with the movable plate (71), the indicating ring (75) is fixedly sleeved on the top wall surface of the movable shaft (74), and the scales (76) are arranged at the position, corresponding to the indicating ring (75), of the top wall surface of the collecting tank (21).
8. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 1, characterized in that: the inside of collection jar (21) is provided with filtering mechanism (8), and filtering mechanism (8) are including filtering box (81), filter screen (82), installation piece (83) and shell fragment (84) reset, and the position of corresponding wet return (57) and collecting pipe (58) on storage water tank (4) lateral wall is inlayed movable mounting to filtering box (81), and filter screen (82) movable mounting is in the inside of filtering box (81).
9. A reactor sampling apparatus for a propane dehydrogenation to propylene plant according to claim 8, characterized in that: the installation blocks (83) and the reset elastic pieces (84) are two, the two installation blocks (83) are respectively and fixedly installed on two sides of the inside of the filter box (81), and the reset elastic pieces (84) are fixedly installed on the bottom wall surface of the filter screen (82).
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