CN117504727A - Quantitative hydrogenation device and method for hydrogenation reaction kettle - Google Patents
Quantitative hydrogenation device and method for hydrogenation reaction kettle Download PDFInfo
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- CN117504727A CN117504727A CN202410024056.4A CN202410024056A CN117504727A CN 117504727 A CN117504727 A CN 117504727A CN 202410024056 A CN202410024056 A CN 202410024056A CN 117504727 A CN117504727 A CN 117504727A
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- Prior art keywords
- reaction kettle
- annular
- controller
- air
- electromagnetic valve
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000001257 hydrogen Substances 0.000 claims abstract description 67
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 67
- 239000001307 helium Substances 0.000 claims abstract description 33
- 229910052734 helium Inorganic materials 0.000 claims abstract description 33
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 33
- 210000001503 joint Anatomy 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 27
- 238000003032 molecular docking Methods 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000376 reactant Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- 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
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- 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
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
-
- 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
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of chemical equipment, and discloses a quantitative hydrogenation device and method of a hydrogenation reaction kettle, wherein the quantitative hydrogenation device comprises the following steps: the hydrogenation reaction kettle, the controller, the hydrogen supply mechanism and the connecting mechanism; the controller is arranged at the front side of the hydrogenation reaction kettle and is electrically connected with the hydrogenation reaction kettle; the hydrogen supply mechanism is arranged at the rear side of the hydrogenation reaction kettle; the connection mechanism is provided on the front side of the hydrogen supply mechanism. According to the quantitative hydrogenation device and the quantitative hydrogenation method for the hydrogenation reaction kettle, hydrogen in a pipeline can be rapidly removed, the quantity and time of residual hydrogen are reduced, and the safety risk during operation is reduced. Compared with hydrogen, the characteristic of helium makes the operation safer and, and can realize the automatic butt joint of hydrogenation reaction kettle and hydrogen feed system, avoided loaded down with trivial details manual butt joint operation, improve work efficiency.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a quantitative hydrogenation device and method of a hydrogenation reaction kettle.
Background
The hydrogenation reaction kettle is used for carrying out hydrogenation reaction, and is usually composed of a pressure-resistant container, a heating device, a stirring device, a feed inlet and a feed outlet, a hydrogen supply system and the like, wherein the reaction kettle is a main body part for containing reactants and catalysts, is usually a pressure-resistant container and can bear the reaction under the condition of high temperature and high pressure, the heating device is used for providing the required reaction temperature and can be in the forms of an external circulating oil bath, an electric heating tube, an electric heating plate and the like, the stirring device is used for ensuring the uniform mixing of the reactants and promoting the reaction, a mechanical stirrer, a magnetic stirrer and the like are usually adopted, the feed inlet and the discharge outlet are arranged on the reaction kettle and are used for conveniently feeding or taking out the reactants and the products, hydrogen is required to be introduced into the reaction kettle for carrying out hydrogenation reaction, the hydrogen supply system comprises a gas cylinder, a gas pressure regulator, a safety device and the like, and the reactants and the catalysts are firstly put into the reaction kettle and then heated to the required reaction temperature by the heating device. Simultaneously, introducing hydrogen into the reaction kettle through a hydrogen supply system, enabling the hydrogen to contact with reactants and generate hydrogenation reaction, and enabling the stirring device to keep uniform mixing of the reactants so as to promote the reaction, and taking out a product through a feeding and discharging port after the hydrogenation reaction is finished;
in the prior art, after the hydrogen supply system is used, the fixed structure and the tortuous path in the pipeline in the hydrogenation reaction kettle lead to the fact that hydrogen cannot be effectively emptied, a certain amount of hydrogen possibly remains in the pipeline, and under the condition that the hydrogen cannot be thoroughly exhausted due to inflammability and explosiveness, the safety risk possibly exists, in the hydrogen supply system, the hydrogen is used up and then needs to be replaced to be in butt joint with the hydrogenation reaction kettle again for installation, and the work efficiency is affected due to the inconvenience of the butt joint mode between the hydrogenation reaction kettle and the hydrogen storage tank.
Disclosure of Invention
The invention aims to provide a quantitative hydrogenation device and a quantitative hydrogenation method for a hydrogenation reaction kettle, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hydrogenation reaction kettle quantitative hydrogenation device, comprising: the hydrogenation reaction kettle, the controller, the hydrogen supply mechanism and the connecting mechanism; the controller is arranged at the front side of the hydrogenation reaction kettle and is electrically connected with the hydrogenation reaction kettle; the hydrogen supply mechanism is arranged at the rear side of the hydrogenation reaction kettle.
Preferably, the hydrogen gas supply mechanism includes: the device comprises a movable frame, a hydrogen storage tank, a first electromagnetic valve, a three-way gas tank, a concentration sensor, a storage tank, a miniature gas pump, a second electromagnetic valve and a connecting pipe; the movable frame is arranged at the right rear part of the hydrogenation reaction kettle along the left-right direction; the hydrogen storage tank is arranged on the inner side of the movable frame along the left-right direction; the first electromagnetic valve is arranged at the left end of the front side of the movable frame, an air inlet of the first electromagnetic valve is connected with an air outlet of the hydrogen storage tank through a pipeline, and the first electromagnetic valve is electrically connected with the controller; the air inlet at the left bottom of the three-way air tank is connected with the air outlet of the first electromagnetic valve through a pipeline; the concentration sensor is arranged at the front side of the three-way gas tank, is connected with the inner cavity of the three-way gas tank, and is electrically connected with the controller; the storage tank is arranged at the front side of the movable frame along the up-down direction and is positioned at the upper left of the three-way gas tank; the miniature air pump is arranged below the storage tank, the miniature air pump is connected with the bottom air inlet of the storage tank through a pipeline, the air inlet of the miniature air pump is connected with the top air outlet of the three-way air tank through a pipeline, and the miniature air pump is electrically connected with the controller; the second electromagnetic valve is arranged at the right end of the front side of the movable frame, the air outlet of the second electromagnetic valve is connected with the air inlet at the lower right side of the three-way air tank through a pipeline, and the second electromagnetic valve is electrically connected with the controller; one end of the connecting pipe is arranged at the air inlet of the second electromagnetic valve.
Preferably, the connecting mechanism includes: a fixed frame, a helium storage tank, and a first air pump; the fixed frame is arranged at the front side of the movable frame along the up-down direction; the helium gas storage tank is arranged at the bottom of the inner side of the fixed frame; the first air pump is installed in the middle of the inner side of the fixed frame, an air inlet pipe of the first air pump is connected with the helium storage tank, and the first air pump is electrically connected with the controller.
Preferably, the connection mechanism further comprises: and the docking assembly is arranged at the top of the fixed frame.
Preferably, the docking assembly comprises: the device comprises a butt joint assembly shell, a through hole groove, a slot shell, a telescopic connection unit, a guide rail rod, a driving motor, a screw rod, a connector, a movable annular frame, a screw rod nut, a sliding block, an annular air bag and a second air pump, wherein the butt joint assembly shell is provided with a through hole groove; the butt joint assembly shell is arranged at the top of the fixed frame along the left-right direction; the number of the through hole grooves is two, and the two through hole grooves are respectively formed in the left side and the right side of the inner cavity of the shell of the butt joint assembly; the slot shell is arranged in the inner cavity of the butt joint assembly shell along the left-right direction; the telescopic connection unit is arranged at the left end of the inner side of the slot shell; the number of the guide rail rods is two, and the two guide rail rods are respectively arranged at the upper side and the lower side of the slot shell along the left-right direction; the number of the driving motors is two, the two driving motors are respectively arranged in the front side and the rear side of the slot shell, and the driving motors are electrically connected with the controller; the number of the screw rods is two, and the two screw rods are fixedly arranged at the rotating ends of the front driving motor and the rear driving motor along the left-right direction respectively; the connector is arranged at the bottom of the slot shell through the fixing frame, and the exhaust pipe of the first air pump extends into the inner cavity of the butt joint component shell and is connected with the connector; the movable annular frame is inserted into the inner side of the slot shell; the number of the screw nuts is two, the two screw nuts are respectively embedded at the upper side and the lower side of the movable annular frame, and the two screw nuts are respectively in threaded connection with the outer parts of the front screw rod and the rear screw rod; the number of the sliding blocks is two, the two sliding blocks are respectively embedded in the front side and the rear side of the movable annular frame, and the two sliding blocks are respectively sleeved with the outer parts of the upper guide rail rod and the lower guide rail rod; the annular air bag is arranged at the right end of the inner side of the slot shell; the second air pump is arranged at the bottom of the inner cavity of the shell of the butt joint assembly, the second air pump is connected with the annular air bag through an air duct, and the second air pump is electrically connected with the controller.
Preferably, the docking assembly further comprises: the device comprises an annular frame, an electric telescopic rod, a slot seat, a first slot body, a slot seat, a second slot body, a plug block, a clamping seat, a third slot body and a limiting block; the annular frame is arranged on the right side of the inner cavity of the butt joint assembly shell and positioned outside the right through hole groove, and the other end of the connecting pipe extends into the inner cavity of the right through hole groove and is inserted into the inner side of the annular frame; the number of the electric telescopic rods is four, the four electric telescopic rods are respectively arranged on the right side of the annular frame at ninety degrees intervals along the circumferential direction, the right side of each electric telescopic rod is fixedly connected with the inner wall of the shell of the butt joint assembly, and the electric telescopic rods are electrically connected with the controller; the number of the slot seats is four, and the four slot seats are respectively arranged at the left side of the annular frame at ninety degrees intervals along the circumferential direction; the number of the first groove bodies is four, the four slot seats are respectively arranged on the inner sides of the four slot seats in a penetrating manner along the left-right direction, and the telescopic ends of the electric telescopic rods extend into the inner cavities of the first groove bodies; the number of the chute seats is four, the four chute seats are respectively inserted into the inner cavities of the four first chute bodies along the left-right direction, and the outside of the chute seats is provided with limiting grooves which incline upwards from left to right; the number of the second groove bodies is four, the four second groove bodies are respectively arranged on the inner sides of the four slot seats in a penetrating way along the up-down direction, and the inner cavities of the second groove bodies are communicated with the inner cavities of the first groove bodies; the number of the inserting blocks is four, and the four inserting blocks are respectively inserted into the inner cavities of the four second groove bodies; the number of the clamping seats is four, and the four clamping seats are respectively arranged on the inner sides of the four inserting blocks; the number of the third groove bodies is four, and the four third groove bodies are respectively arranged on the inner sides of the four inserting blocks in a penetrating way along the left-right direction; the number of the limiting blocks is four, the four limiting blocks are respectively arranged in the inner cavities of the four third groove bodies, and the inner sides of the four limiting blocks are respectively spliced with the outer limiting grooves of the four chute seats.
Preferably, the telescopic connection unit includes: the telescopic device comprises a first annular plate, a second annular plate, a spherical connector, a telescopic rod and a telescopic pipe; the number of the first annular plates is two, the two first annular plates are arranged in parallel left and right, the first annular plates on the left side are fixedly arranged at the left opening of the inner cavity of the slot shell, and the first annular plates on the right side are fixedly arranged at the inner side of the movable annular frame; the second annular plates are arranged on the inner sides of the left and right first annular plates; the number of the spherical connectors is two, the number of each spherical connector is eight, one spherical connector is embedded in the middle of the front end and the rear end of the inner side of the two first annular plates, and the other spherical connector is embedded in the upper end and the lower end of the left side and the right side of the second annular plates; the number of the telescopic rods is eight, and two ends of the eight telescopic rods are respectively and rotatably connected to the inner sides of the two groups of spherical connectors; the left end and the right end of the telescopic pipe are respectively embedded in the inner sides of the left first annular plate and the right first annular plate.
Preferably, the air inlet pipe of the hydrogenation reaction kettle extends into the inner cavity of the left through hole groove and is fixedly connected with the left side of the telescopic pipe, and the connector is connected with the inner cavity of the telescopic pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the sliding chute seat is driven to move through the electric telescopic rod, the limiting block drives the inserting block to drive the clamping seat to move inwards and clamp the clamping seat on the outer wall of the connecting pipe under the action of the sliding chute seat, the driving motor drives the screw rod to rotate, the screw rod nut drives the moving annular frame to drive one end of the telescopic pipe to move rightwards under the action of the screw rod, the telescopic pipe is sleeved with the outer part of the connecting pipe, the second air pump pumps air into the annular air bag, so that the annular air bag expands and simultaneously wraps and seals a gap between the telescopic pipe and the outer sleeved position of the connecting pipe, hydrogen in the first electromagnetic valve is supplied along a pipeline route of the first electromagnetic valve, the three-way air tank, the second electromagnetic valve and the connecting pipe, and the hydrogen is supplied into the hydrogenation reaction kettle through the telescopic pipe for use;
2. the method comprises the steps that helium stored in a helium storage tank is pumped into a telescopic pipe through a first air pump, residual hydrogen in the telescopic pipe and a connecting pipe is flushed back to the inner cavity of a three-way air tank along the connecting pipe and a second electromagnetic valve under the action of pressure, because the densities of the hydrogen and the helium are different, the hydrogen is discharged back to the inside of a hydrogen storage tank through the first electromagnetic valve from an air inlet at the left lower part of the three-way air tank under the action of the helium pressure, after the concentration sensor detects that the hydrogen content in the three-way air tank is reduced to a specified standard, the first electromagnetic valve and the second electromagnetic valve are closed to seal the connection state of the hydrogen storage tank and the connecting pipe, a controller controls the micro air pump to start, and the micro air pump pumps out the helium in the three-way air tank and discharges the helium into the storage tank for storage so as to facilitate subsequent continuous use;
in conclusion, the invention can rapidly remove the hydrogen in the pipeline, reduce the quantity and time of residual hydrogen and reduce the safety risk during operation; compared with hydrogen, the characteristic of helium makes the operation safer and, and can realize the automatic butt joint of hydrogenation reaction kettle and hydrogen feed system, avoided loaded down with trivial details manual butt joint operation, improve work efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the hydrogen storage mechanism of FIG. 1;
FIG. 3 is a schematic view of the connection mechanism of FIG. 1;
FIG. 4 is a schematic view of the docking assembly of FIG. 3;
FIG. 5 is an enlarged view at A of FIG. 4;
fig. 6 is an enlarged view of the telescopic connection unit of fig. 4.
In the figure: 1. a hydrogenation reaction kettle; 2. a controller; 3. a hydrogen supply mechanism; 31. a moving frame; 32. a hydrogen storage tank; 33. a first electromagnetic valve; 34. a three-way gas tank; 35. a concentration sensor; 36. a storage tank; 37. a micro air pump; 38. a second electromagnetic valve; 39. a connecting pipe; 4. a connecting mechanism; 41. a fixed frame; 42. a helium storage tank; 43. a first air pump; 5. a docking assembly; 51. a docking assembly housing; 52. a through hole groove; 53. a socket housing; 54. a guide rail rod; 55. a driving motor; 56. a lead screw rod; 57. a connector; 58. moving the annular frame; 59. a lead screw nut; 510. a slide block; 511. an annular air bag; 512. a second air pump; 513. an annular frame; 514. an electric telescopic rod; 515. a socket seat; 516. a first tank body; 517. a chute seat; 518. a second tank body; 519. inserting blocks; 520. a clamping seat; 521. a third tank; 522. a limiting block; 6. a telescopic connection unit; 61. a first annular plate; 62. a second annular plate; 63. a spherical joint; 64. a telescopic rod; 65. and (5) a telescopic pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Referring to fig. 1-6, the present invention provides a technical solution: a hydrogenation reaction kettle quantitative hydrogenation device, comprising: a hydrogenation reaction kettle 1, a controller 2, a hydrogen supply mechanism 3 and a connecting mechanism 4; the controller 2 is arranged at the front side of the hydrogenation reaction kettle 1, the controller 2 is electrically connected with the hydrogenation reaction kettle 1, and a prefabricated program is arranged in the controller 2 and can be controlled manually or automatically according to actual needs; the hydrogen supply mechanism 3 is arranged at the rear side of the hydrogenation reaction kettle 1; the connection mechanism 4 is provided on the front side of the hydrogen supply mechanism 3.
As a preferred embodiment, as shown in fig. 2, the hydrogen gas supply mechanism 3 includes: a moving frame 31, a hydrogen storage tank 32, a first solenoid valve 33, a three-way gas tank 34, a concentration sensor 35, a storage tank 36, a micro gas pump 37, a second solenoid valve 38, and a connection pipe 39; the movable frame 31 is arranged at the right rear of the hydrogenation reaction kettle 1 along the left-right direction, and the movable frame 31 can move; the hydrogen tank 32 is provided inside the moving frame 31 in the left-right direction; the first electromagnetic valve 33 is arranged at the left end of the front side of the movable frame 31, the air inlet of the first electromagnetic valve 33 is connected with the air outlet of the hydrogen storage tank 32 through a pipeline, the first electromagnetic valve 33 is electrically connected with the controller 2, and the first electromagnetic valve 33 is controlled by the controller 2 to be opened and closed; the three-way air tank 34 is arranged in the middle of the front side of the movable frame 31, and an air inlet at the bottom of the left side of the three-way air tank 34 is connected with an air outlet of the first electromagnetic valve 33 through a pipeline; the concentration sensor 35 is arranged at the front side of the three-way gas tank 34, the concentration sensor 35 is connected with the inner cavity of the three-way gas tank 34, the concentration sensor 35 is electrically connected with the controller 2, the first electric concentration sensor 35 is controlled by the controller 2, and the hydrogen concentration in the three-way gas tank 34 can be detected in real time; the storage tank 36 is installed at the front side of the moving frame 31 in the up-down direction and is positioned at the upper left of the three-way gas tank 34, and the storage tank 36 can store and collect helium gas and can be connected with an external gas tank to be discharged, so that recycling is realized; the miniature air pump 37 is arranged below the storage tank 36, the miniature air pump 37 is connected with the bottom air inlet of the storage tank 36 through a pipeline, the air inlet of the miniature air pump 37 is connected with the top air outlet of the three-way air tank 34 through a pipeline, the miniature air pump 37 is electrically connected with the controller 2, and the miniature air pump 37 is controlled by the controller 2 to be capable of pumping out the interior of the three-way air tank 34 from the top air outlet and discharging the air into the storage tank 36; the second electromagnetic valve 38 is arranged at the right end of the front side of the movable frame 31, the air outlet of the second electromagnetic valve 38 is connected with the air inlet at the lower right side of the three-way air tank 34 through a pipeline, the second electromagnetic valve 38 is electrically connected with the controller 2, and the second electromagnetic valve 38 is controlled by the controller 2 to be opened and closed; one end of the connection pipe 39 is installed at the air inlet of the second solenoid valve 38.
As a preferred embodiment, as shown in fig. 3, the connection mechanism 4 includes: a fixed frame 41, a helium gas storage tank 42, a first air pump 43, and a docking assembly 5; the fixed frame 41 is provided on the front side of the moving frame 31 in the up-down direction; the helium gas storage tank 42 is provided at the inner bottom of the fixed frame 41; the first air pump 43 is installed in the middle of the inner side of the fixed frame 41, an air inlet pipe of the first air pump 43 is connected with the helium gas storage tank 42, the first air pump 43 is electrically connected with the controller 2, and the first air pump 43 is controlled by the controller 2 to pump out helium gas in the helium gas storage tank 42; the docking assembly 5 is disposed on top of the fixed frame 41.
As a preferred solution, as shown in fig. 4 and 5, the docking assembly 5 further includes: the docking assembly housing 51, the through hole groove 52, the slot housing 53, the telescopic connection unit 6, the guide rail rod 54, the driving motor 55, the lead screw rod 56, the connector 57, the moving annular frame 58, the lead screw nut 59, the sliding block 510, the annular air bag 511, the second air pump 512, the annular frame 513, the electric telescopic rod 514, the slot seat 515, the first slot body 516, the slot seat 517, the second slot body 518, the insert block 519, the clamping seat 520, the third slot body 521 and the limiting block 522; the docking assembly housing 51 is provided on the top of the fixed frame 41 in the left-right direction; the number of the through hole grooves 52 is two, and the two through hole grooves 52 are respectively arranged on the left side and the right side of the inner cavity of the butt joint assembly shell 51; the slot housing 53 is disposed in the inner cavity of the docking assembly housing 51 in the left-right direction; the telescopic connection unit 6 is arranged at the left end of the inner side of the slot housing 53; the number of the guide rail rods 54 is two, and the two guide rail rods 54 are respectively arranged on the upper side and the lower side of the slot shell 53 along the left-right direction; the number of the driving motors 55 is two, the two driving motors 55 are respectively arranged in the front side and the rear side of the slot shell 53, the driving motors 55 are electrically connected with the controller 2, and the driving motors 55 are controlled by the controller 2 to drive the screw rod 56 to rotate clockwise or anticlockwise; the number of the screw rods 56 is two, and the two screw rods 56 are fixedly arranged at the rotating ends of the front driving motor 55 and the rear driving motor 55 along the left-right direction respectively; the connector 57 is arranged at the bottom of the slot housing 53 through a fixing frame, and the exhaust pipe of the first air pump 43 extends into the inner cavity of the docking assembly housing 51 and is connected with the connector 57; the movable annular frame 58 is inserted into the inner side of the slot housing 53; the number of the screw nuts 59 is two, the two screw nuts 59 are respectively embedded at the upper side and the lower side of the movable annular frame 58, and the two screw nuts 59 are respectively in threaded connection with the outer parts of the front screw rod 56 and the rear screw rod 56; the number of the sliding blocks 510 is two, the two sliding blocks 510 are respectively embedded at the front side and the rear side of the movable annular frame 58, the two sliding blocks 510 are respectively sleeved with the outer parts of the upper guide rail rod 54 and the lower guide rail rod 54, and the sliding blocks 510 can horizontally move in the left-right direction outside the guide rail rods 54; the annular airbag 511 is provided at the inner right end of the slot housing 53; the second air pump 512 is arranged at the bottom of the inner cavity of the butt joint assembly shell 51, the second air pump 512 is connected with the annular air bag 511 through an air duct, the second air pump 512 is electrically connected with the controller 2, the second air pump 512 is controlled by the controller 2 to supply air to the interior of the annular air bag 511, and after the annular air bag 511 is inflated, the telescopic pipe 65 is wrapped and sealed with a seam of the outer sleeving position of the connecting pipe 39; the annular frame 513 is disposed on the right side of the inner cavity of the docking assembly housing 51 and is located outside the right through hole groove 52, and the other end of the connecting pipe 39 extends into the inner cavity of the right through hole groove 52 and is inserted into the inner side of the annular frame 513; the number of the electric telescopic rods 514 is four, the four electric telescopic rods 514 are respectively arranged on the right side of the annular frame 513 at ninety degrees intervals along the circumferential direction, the right side of each electric telescopic rod 514 is fixedly connected with the inner wall of the butt joint assembly shell 51, the electric telescopic rods 514 are electrically connected with the controller 2, and the electric telescopic rods 514 are controlled to stretch and shorten by the controller 2; the number of the slot seats 515 is four, and the four slot seats 515 are respectively arranged at the left side of the annular frame 513 at ninety degrees intervals along the circumferential direction; the number of the first groove bodies 516 is four, the four slot seats 515 are respectively arranged on the inner sides of the four slot seats 515 in a penetrating manner along the left-right direction, and the telescopic ends of the electric telescopic rods 514 extend into the inner cavities of the first groove bodies 516; the number of the sliding groove seats 517 is four, the four sliding groove seats 517 are respectively inserted into the inner cavities of the four first groove bodies 516 along the left-right direction, limiting grooves inclining upwards from left to right are formed outside the sliding groove seats 517, and the sliding groove seats 517 can move in the left-right direction in the inner cavities of the third groove bodies 521; the number of the second groove bodies 518 is four, the four second groove bodies 518 are respectively arranged on the inner sides of the four slot seats 515 in a penetrating way along the up-down direction, and the inner cavities of the second groove bodies 518 are communicated with the inner cavities of the first groove bodies 516; the number of the inserting blocks 519 is four, the four inserting blocks 519 are respectively inserted into the inner cavities of the four second groove bodies 518, and the inserting blocks 519 can move inside and outside the inner cavities of the second groove bodies 518; the number of the clamping seats 520 is four, and the four clamping seats 520 are respectively arranged on the inner sides of the four inserting blocks 519; the number of the third groove bodies 521 is four, and the four third groove bodies 521 are respectively communicated in the left-right direction and are arranged on the inner sides of the four inserting blocks 519; the number of the limiting blocks 522 is four, the four limiting blocks 522 are respectively arranged in the inner cavities of the four third groove bodies 521, the inner sides of the four limiting blocks 522 are respectively spliced with the outer limiting grooves of the four sliding groove seats 517, and the limiting blocks 522 can move along the inner cavities of the outer limiting grooves of the sliding groove seats 517.
As a preferred embodiment, as shown in fig. 6, the telescopic connection unit 6 includes: a first annular plate 61, a second annular plate 62, a spherical joint 63, a telescopic rod 64 and a telescopic tube 65; the number of the first annular plates 61 is two, the two first annular plates 61 are arranged in parallel left and right, the left first annular plate 61 is fixedly arranged at the left opening of the inner cavity of the slot shell 53, and the right first annular plate 61 is fixedly arranged at the inner side of the movable annular frame 58; the second annular plates 62 are provided inside the left and right two first annular plates 61; the number of the spherical connectors 63 is two, the number of each group of the spherical connectors 63 is eight, one group of the spherical connectors 63 is embedded in the middle of the front end and the rear end of the inner side of the two first annular plates 61, and the other group of the spherical connectors 63 is embedded in the upper end and the lower end of the left side and the right side of the second annular plates 62; the number of the telescopic rods 64 is eight, two ends of each of the eight telescopic rods 64 are respectively and rotatably connected to the inner sides of the two groups of spherical connectors 63, the telescopic rods 64 can stretch themselves, and the telescopic rods 64 can rotate and move at the positions connected with the spherical connectors 63; the left and right ends of the telescopic tube 65 are respectively embedded in the inner sides of the left and right first annular plates 61, the air inlet pipe of the hydrogenation reaction kettle 1 extends into the inner cavity of the left through hole groove 52 and is fixedly connected with the left side of the telescopic tube 65, the connector 57 is connected with the inner cavity of the telescopic tube 65, the telescopic tube 65 can stretch and contract, and the right side of the inner cavity of the telescopic tube 65 is matched and sleeved with the connecting pipe 39.
The working principle is as follows:
the worker moves the movable frame 31 to a designated position, inserts the connecting pipe 39 into the annular frame 513 from the right through hole groove 52, controls the controller 2 to control the four electric telescopic rods 514 to start, the electric telescopic rods 514 extend and drive the sliding groove seats 517 at the corresponding positions to move leftwards in the inner cavities of the first groove body 516 and the third groove body 521, so that the outer limit grooves of the sliding groove seats 517 move along the inner cavities of the limit blocks 522, the limit blocks 522 move under the action of the sliding groove seats 517, the limit blocks 522 drive the corresponding position insert blocks 519 to move inwards in the inner cavities of the second groove body 518, the four insert blocks 519 drive the clamping seats 520 to move inwards and clamp the outer walls of the connecting pipe 39, the connecting pipe 39 is fixed, the controller 2 controls the front and rear side driving motors 55 to start, the two side driving motors 55 drive the screw rods 56 at the corresponding positions to synchronously rotate in the same direction, causing screw nuts 59 on both sides to move rightward under the action of the rotation force of screw rods 56, driving movable annular frame 58 to move rightward under the limit action of slide blocks 510, causing movable annular frame 58 to drive right first annular plate 61 to drive one end of telescopic tube 65 to move rightward, right second annular plate 62 to stretch telescopic tube 65 to move, simultaneously enabling telescopic rod 64 to extend in length and rotate at the joint position of spherical joint 63 at the corresponding position, so as to ensure the structural strength of telescopic tube 65, telescopic tube 65 is sleeved with the outside of connecting tube 39, controller 2 controls second air pump 512 to drive, second air pump 512 pumps air into annular air bag 511, causing annular air bag 511 to expand itself and wrapping and sealing the gap between telescopic tube 65 and the outside of connecting tube 39, controller 2 controls first electromagnetic valve 33 and second electromagnetic valve 38 to start, the hydrogen inside the first electromagnetic valve 33 is supplied along the pipeline route of the first electromagnetic valve 33, the three-way gas tank 34, the second electromagnetic valve 38 and the connecting pipe 39, and the hydrogen is supplied to the inside of the hydrogenation reaction kettle 1 through the telescopic pipe 65 for use;
after the hydrogenation reaction kettle 1 works, the controller 2 controls the hydrogenation reaction kettle 1 to close an internal air inlet system and controls the first air pump 43 to start, the first air pump 43 pumps helium stored in the helium storage tank 42 into the telescopic pipe 65, residual hydrogen in the telescopic pipe 65 and the connecting pipe 39 is flushed back to the inner cavity of the three-way air tank 34 along the connecting pipe 39 and the second electromagnetic valve 38 under the pressure effect, because the densities of the hydrogen and the helium are different, the helium is accumulated above the inner cavity of the three-way air tank 34, the hydrogen is discharged back to the hydrogen storage tank 32 through the first electromagnetic valve 33 from the air inlet at the left lower part of the three-way air tank 34 under the pressure effect of the helium, after the concentration sensor 35 detects that the hydrogen content in the three-way air tank 34 is reduced to a specified standard, the controller 2 controls the first electromagnetic valve 33 and the second electromagnetic valve 38 to close the connection state of the hydrogen storage tank 32 and the connecting pipe 39, the controller 2 controls the micro air pump 37 to start, and the micro air pump 37 pumps out the helium in the three-way air tank 34 into the storage tank 36 for storage so as to be convenient for subsequent continuous use.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A hydrogenation reaction kettle quantitative hydrogenation device, which is characterized by comprising:
a hydrogenation reaction kettle (1);
the controller (2) is arranged at the front side of the hydrogenation reaction kettle (1), and the controller (2) is electrically connected with the hydrogenation reaction kettle (1);
a hydrogen supply mechanism (3) arranged at the rear side of the hydrogenation reaction kettle (1);
a connection mechanism (4) provided on the front side of the hydrogen supply mechanism (3);
the hydrogen gas supply mechanism (3) comprises:
a movable frame (31) arranged at the right rear of the hydrogenation reaction kettle (1) along the left-right direction;
a hydrogen storage tank (32) provided inside the moving frame (31) in the left-right direction;
the first electromagnetic valve (33) is arranged at the left end of the front side of the movable frame (31), an air inlet of the first electromagnetic valve (33) is connected with an air outlet of the hydrogen storage tank (32) through a pipeline, and the first electromagnetic valve (33) is electrically connected with the controller (2);
the three-way air tank (34) is arranged in the middle of the front side of the movable frame (31), and an air inlet at the bottom of the left side of the three-way air tank (34) is connected with an air outlet of the first electromagnetic valve (33) through a pipeline;
the concentration sensor (35) is arranged at the front side of the three-way gas tank (34), the concentration sensor (35) is connected with the inner cavity of the three-way gas tank (34), and the concentration sensor (35) is electrically connected with the controller (2);
a storage tank (36) which is installed on the front side of the moving frame (31) in the up-down direction and is positioned above the left of the three-way gas tank (34);
the miniature air pump (37) is arranged below the storage tank (36), the miniature air pump (37) is connected with the bottom air inlet of the storage tank (36) through a pipeline, the air inlet of the miniature air pump (37) is connected with the top air outlet of the three-way air tank (34) through a pipeline, and the miniature air pump (37) is electrically connected with the controller (2);
the second electromagnetic valve (38) is arranged at the right end of the front side of the movable frame (31), an air outlet of the second electromagnetic valve (38) is connected with an air inlet at the lower right side of the three-way air tank (34) through a pipeline, and the second electromagnetic valve (38) is electrically connected with the controller (2);
and one end of the connecting pipe (39) is arranged at the air inlet of the second electromagnetic valve (38).
2. A hydrogenation reactor quantitative hydrogenation apparatus according to claim 1, wherein said connecting mechanism (4) comprises:
a fixed frame (41) provided on the front side of the movable frame (31) in the up-down direction;
a helium gas storage tank (42) provided at the bottom of the inside of the fixed frame (41);
the first air pump (43) is installed in the middle of the inner side of the fixed frame (41), an air inlet pipe of the first air pump (43) is connected with the helium storage tank (42), and the first air pump (43) is electrically connected with the controller (2).
3. A hydrogenation reactor quantitative hydrogenation apparatus according to claim 2, wherein said connecting mechanism (4) further comprises: and the docking assembly (5), wherein the docking assembly (5) is arranged on the top of the fixed frame (41).
4. A hydrogenation reactor quantitative hydrogenation apparatus according to claim 3, wherein said docking assembly (5) comprises:
a docking assembly housing (51) provided on the top of the fixed frame (41) in the left-right direction;
the number of the through hole grooves (52) is two, and the two through hole grooves (52) are respectively arranged on the left side and the right side of the inner cavity of the butt joint assembly shell (51);
a slot housing (53) arranged in the inner cavity of the docking assembly housing (51) along the left-right direction;
the telescopic connection unit (6) is arranged at the left end of the inner side of the slot shell (53);
the number of the guide rail rods (54) is two, and the two guide rail rods (54) are respectively arranged on the upper side and the lower side of the slot shell (53) along the left-right direction;
the number of the driving motors (55) is two, the two driving motors (55) are respectively arranged in the front side and the rear side of the slot shell (53), and the driving motors (55) are electrically connected with the controller (2);
the number of the screw rods (56) is two, and the two screw rods (56) are fixedly arranged at the rotating ends of the front driving motor (55) and the rear driving motor (55) along the left-right direction respectively;
the connector (57) is arranged at the bottom of the slot shell (53) through a fixing frame, and the exhaust pipe of the first air pump (43) extends into the inner cavity of the butt joint assembly shell (51) and is connected with the connector (57);
a movable annular frame (58) inserted into the inner side of the slot housing (53);
the two lead screw nuts (59) are respectively embedded in the upper side and the lower side of the movable annular frame (58), and the two lead screw nuts (59) are respectively in threaded connection with the outer parts of the front lead screw (56) and the rear lead screw (56);
the number of the sliding blocks (510) is two, the two sliding blocks (510) are respectively embedded at the front side and the rear side of the movable annular frame (58), and the two sliding blocks (510) are respectively sleeved with the outer parts of the upper guide rail rod and the lower guide rail rod (54);
an annular airbag (511) arranged at the right end of the inner side of the slot housing (53);
the second air pump (512) is arranged at the bottom of the inner cavity of the butt joint assembly shell (51), the second air pump (512) is connected with the annular air bag (511) through an air duct, and the second air pump (512) is electrically connected with the controller (2).
5. A hydrogenation reactor quantitative hydrogenation apparatus according to claim 4, wherein said docking assembly (5) further comprises:
the annular frame (513) is arranged on the right side of the inner cavity of the butt joint assembly shell (51) and is positioned outside the right through hole groove (52), and the other end of the connecting pipe (39) extends into the inner cavity of the right through hole groove (52) and is inserted into the inner side of the annular frame (513);
the number of the electric telescopic rods (514) is four, the four electric telescopic rods (514) are respectively arranged on the right side of the annular frame (513) at ninety degrees intervals along the circumferential direction, the right side of the electric telescopic rods (514) is fixedly connected with the inner wall of the butt joint assembly shell (51), and the electric telescopic rods (514) are electrically connected with the controller (2);
the number of the slot seats (515) is four, and the four slot seats (515) are respectively arranged at the left side of the annular frame (513) at ninety degrees intervals along the circumferential direction;
the number of the first groove bodies (516) is four, the four slot seats (515) are respectively arranged on the inner sides of the four slot seats (515) in a penetrating manner along the left-right direction, and the telescopic ends of the electric telescopic rods (514) extend into the inner cavities of the first groove bodies (516);
the number of the sliding groove seats (517) is four, the four sliding groove seats (517) are respectively inserted into the inner cavities of the four first groove bodies (516) along the left-right direction, and limit grooves inclining upwards from left to right are formed in the outer parts of the sliding groove seats (517);
the number of the second groove bodies (518) is four, the four second groove bodies (518) are respectively arranged on the inner sides of the four slot seats (515) in a penetrating way along the up-down direction, and the inner cavities of the second groove bodies (518) are communicated with the inner cavities of the first groove bodies (516);
the number of the inserting blocks (519) is four, and the four inserting blocks (519) are respectively inserted into the inner cavities of the four second groove bodies (518);
the clamping seats (520), the number of the clamping seats (520) is four, and the four clamping seats (520) are respectively arranged on the inner sides of the four inserting blocks (519);
the number of the third groove bodies (521) is four, and the four third groove bodies (521) are respectively communicated in the left-right direction and are arranged on the inner sides of the four inserting blocks (519);
the limiting blocks (522), the quantity of limiting blocks (522) is four, four limiting blocks (522) are respectively arranged in the inner cavities of four third groove bodies (521), and the inner sides of the four limiting blocks (522) are respectively spliced with the outer limiting grooves of four sliding groove seats (517).
6. The quantitative hydrogenation device of a hydrogenation reactor according to claim 5, wherein said telescopic connection unit (6) comprises:
the number of the first annular plates (61) is two, the two first annular plates (61) are arranged in parallel left and right, the first annular plates (61) on the left side are fixedly arranged at the left opening of the inner cavity of the slot shell (53), and the first annular plates (61) on the right side are fixedly arranged at the inner side of the movable annular frame (58);
a second annular plate (62) provided on the inner sides of the left and right first annular plates (61);
the spherical connectors (63) are two groups, the number of the spherical connectors (63) in each group is eight, one group of the spherical connectors (63) are embedded in the middle parts of the front end and the rear end of the inner side of the two first annular plates (61), and the other group of the spherical connectors (63) are embedded in the upper end and the lower end of the left side and the right side of the second annular plates (62);
the number of the telescopic rods (64) is eight, and two ends of the eight telescopic rods (64) are respectively and rotatably connected to the inner sides of the two groups of spherical connectors (63);
and the left end and the right end of the telescopic pipe (65) are respectively embedded inside the left first annular plate (61) and the right first annular plate (61).
7. The quantitative hydrogenation device of a hydrogenation reaction kettle according to claim 6, wherein the air inlet pipe of the hydrogenation reaction kettle (1) extends into the inner cavity of the left through hole groove (52) and is fixedly connected with the left side of the telescopic pipe (65), and the connector (57) is connected with the inner cavity of the telescopic pipe (65).
8. The method for using a quantitative hydrogenation device of a hydrogenation reaction kettle according to claim 7, comprising the following steps:
step one: the worker moves the movable frame (31) to a designated position, inserts the connecting pipe (39) into the annular frame (513) from the right through hole groove (52), controls the four electric telescopic rods (514) to start, stretches and drives the sliding groove seats (517) at the corresponding positions to move leftwards in the inner cavities of the first groove body (516) and the third groove body (521), so that the outer limiting grooves of the sliding groove seats (517) move along the inner cavities of the limiting blocks (522), and the limiting blocks (522) move under the action of the sliding groove seats (517), and the limiting blocks (522) drive the corresponding position inserting blocks (519) to move inwards in the inner cavities of the second groove body (518), so that the four-side position inserting blocks (519) drive the clamping seats (520) to move inwards and clamp the outer walls of the connecting pipe (39), and the connecting pipe (39) is fixed;
step two: the controller (2) controls the front and back two-side driving motors (55) to start, the two-side driving motors (55) drive screw rods (56) at corresponding positions to synchronously rotate in the same direction, so that screw nuts (59) at two sides are driven to move rightwards under the action of the rotating force of the screw rods (56), and the movable annular frame (58) is driven to move rightwards under the limit action of the sliding blocks (510), so that the movable annular frame (58) drives the right first annular plate (61) to drive one end of the telescopic pipe (65) to move rightwards, the right second annular plate (62) stretches the telescopic pipe (65) to move, and meanwhile, the telescopic rod (64) stretches and rotates at the joint position of a spherical connector (63) at the corresponding position, so that the self structural strength of the telescopic pipe (65) is ensured, and the telescopic pipe (65) is sleeved with the outside of the connecting pipe (39);
step three: the controller (2) controls the second air pump (512) to drive, the second air pump (512) pumps air into the annular air bag (511), the annular air bag (511) expands and simultaneously wraps and seals a gap between the telescopic pipe (65) and the outer sleeving position of the connecting pipe (39), the controller (2) controls the first electromagnetic valve (33) and the second electromagnetic valve (38) to start, hydrogen in the first electromagnetic valve (33) is supplied along a pipeline route of the first electromagnetic valve (33), the three-way air tank (34), the second electromagnetic valve (38) and the connecting pipe (39), and the hydrogen is supplied into the hydrogenation reaction kettle (1) through the telescopic pipe (65);
step four: after the hydrogenation reaction kettle (1) is finished, the controller (2) controls the hydrogenation reaction kettle (1) to close an air inlet system in the hydrogenation reaction kettle and controls the first air pump (43) to start, the first air pump (43) pumps helium stored in the helium storage tank (42) into the telescopic pipe (65), the helium is used for flushing residual hydrogen inside the telescopic pipe (65) and the connecting pipe (39) back to the inner cavity of the three-way air tank (34) under the action of pressure, due to different densities of the hydrogen and the helium, the helium is accumulated above the inner cavity of the three-way air tank (34), the hydrogen is discharged back to the inside of the hydrogen storage tank (32) through the first electromagnetic valve (33) through the air inlet at the left lower part of the three-way air tank (34) under the action of the helium pressure, the concentration sensor (35) detects that the hydrogen content in the three-way air tank (34) is reduced to a specified standard, the controller (2) controls the first electromagnetic valve (33) and the second electromagnetic valve (38) to close a connection state for sealing the hydrogen storage tank (32) and the connecting pipe (39), the controller (2) controls the micro air pump (37) to start, and the micro air pump (37) is used for continuously pumping the helium into the inside of the three-way air tank (34) to be stored in the storage tank.
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| JP2001276600A (en) * | 2000-03-31 | 2001-10-09 | Shinko Pantec Co Ltd | Supplying apparatus for chemical |
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| CN112844239A (en) * | 2021-01-07 | 2021-05-28 | 榆林学院 | Hydrogenation device capable of accurately measuring hydrogenation amount |
| CN113531387A (en) * | 2021-09-15 | 2021-10-22 | 氢储(新乡)能源科技有限公司 | Induction heating solid-state hydrogen storage and discharge system and hydrogen storage and discharge method |
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- 2024-01-08 CN CN202410024056.4A patent/CN117504727B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001276600A (en) * | 2000-03-31 | 2001-10-09 | Shinko Pantec Co Ltd | Supplying apparatus for chemical |
| CN208275372U (en) * | 2018-04-28 | 2018-12-25 | 洛阳维达石化工程有限公司 | A kind of feedstock device applied in heavy oil catalytic cracking reaction |
| CN112744842A (en) * | 2020-12-14 | 2021-05-04 | 湖南福千府生物科技有限公司 | Sodium sulfite preparation is with raw materials ratio interpolation device |
| CN112844239A (en) * | 2021-01-07 | 2021-05-28 | 榆林学院 | Hydrogenation device capable of accurately measuring hydrogenation amount |
| CN113531387A (en) * | 2021-09-15 | 2021-10-22 | 氢储(新乡)能源科技有限公司 | Induction heating solid-state hydrogen storage and discharge system and hydrogen storage and discharge method |
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